pax_global_header00006660000000000000000000000064122727120750014517gustar00rootroot0000000000000052 comment=0384f630a0837ac13444be207866c030e192a38a aaphoto-0.43.1/000077500000000000000000000000001227271207500132375ustar00rootroot00000000000000aaphoto-0.43.1/AUTHORS000066400000000000000000000000401227271207500143010ustar00rootroot00000000000000Andras Horvath aaphoto-0.43.1/COPYING000066400000000000000000001045131227271207500142760ustar00rootroot00000000000000 GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 Copyright (C) 2007 Free Software Foundation, Inc. Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The GNU General Public License is a free, copyleft license for software and other kinds of works. The licenses for most software and other practical works are designed to take away your freedom to share and change the works. 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Copyright (C) This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . Also add information on how to contact you by electronic and paper mail. If the program does terminal interaction, make it output a short notice like this when it starts in an interactive mode: Copyright (C) This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, your program's commands might be different; for a GUI interface, you would use an "about box". You should also get your employer (if you work as a programmer) or school, if any, to sign a "copyright disclaimer" for the program, if necessary. For more information on this, and how to apply and follow the GNU GPL, see . The GNU General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Lesser General Public License instead of this License. But first, please read . aaphoto-0.43.1/COPYRIGHT000066400000000000000000000002231227271207500145270ustar00rootroot00000000000000Auto Adjust Photo (aaphoto) Auto Adjust RGB (aaRGB) Copyright (C) 2006-2013 Andras Horvath http://log69.com, mail@log69.com All rights reserved. aaphoto-0.43.1/ChangeLog000066400000000000000000000341531227271207500150170ustar00rootroot00000000000000aaphoto Changelog: -------------------- 2013/09/30 - aaphoto v0.43 - new aaRGB v0.65 version update (see aaRGB changelog) 2012/02/20 - aaphoto v0.42 - tiny fix to set PNG compression manually and make it compatible with new version of libpng 2011/01/26 - aaphoto v0.41 - new aaRGB v0.64 version update (see aaRGB changelog) - add -- switch to mark the end of option list for posix compatibility - fix some warnings given by -Wextra compile option 2010/12/18 - aaphoto v0.40 - new aaRGB v0.63 version update - fix some warning messages during build - some changes in documentation - error message when --verbose switch is used with no other ones to avoid misunderstanding that other switches are still needed (aaphoto -V file) 2010/09/14 - aaphoto v0.39 - new aaRGB v0.62 version update - bugfix: an ugly misconception in my paralleled code caused weird behavior when using more threads - bugfix: BMP image writer function didn't zero out the BMP align bytes in file buffer therefore the same output differed in some cases - bugfix: PNG image reader function stored the unreliable values of pixel resolution when the type was unknown - rewrite the code to suffice the ISO C90 ANSI standard C form (GCC -pedantic option) - new windows platform patch of libjasper for static build to replace mkstemp() function call because it is not yet supported under MinGW - some changes in documentation - new default LDFLAG -lgomp for OpenMP - update all build scripts for Debian 6 platform 2010/07/18 - aaphoto v0.38 - add verbose message showing presence of alpha channel in PNG images - bugfix: fix compile with only BMP support - fix some warning messages during build - remove unnecessary __WIN32__ macro 2010/05/10 - aaphoto v0.37 - add OpenMP support for multi processing, all possible time intensive codes paralleled __OPENMP__ directive and -fopenmp option are needed at compile time (supported since GCC v4.2) (not available on windows platform yet) - new -t, --threads switch added to manually set the number of working threads - new aaRGB v0.61 version update - bugfix: exif info was left out after last version's change in JPEG handling - improve exif handling and verbose messages - refine additional verbose messages - remove pgx file type support because it is outdated - some changes in documentation - some minor code cleanup and bugfixes 2010/03/16 - aaphoto v0.36 - bugfix: fix for tmpfile() patches of libjasper and libjpeg (windows platform only) when running more than one instances of aaphoto at a time they all used the same temporary files and therefore the images became corrupt - bugfix: it doesn't ask for administrative privileges anymore while running in an admin account under vista and windows 7 (windows platform only) - bugfix: the --rotate180 switch didn't turn the middle line in images with odd heights - rewrite JPEG format handling entirely to be able to handle extra parameters in this format separately, now libjpeg is used directly instead of libjasper for reading / writing JPEG images so libjpeg is a new dependency from now, formerly only libjasper was depended on it - restore original DPI values of images in BMP, JPEG and PNG formats during conversion - refine program messages - print the time elapsed in seconds since program start in verbose mode if not zero - print extra infos of bitmap dimension, resolution and color depth in verbose mode 2010/02/25 - aaphoto v0.35 - bugfix: possible buffer overflows fixed 2010/02/19 - aaphoto v0.34 - __UNIX__ macro removed from Makefile, not needed anymore - bugfix: static binary update with patches of libjasper and libjpeg 1) sleep() function missing on mingw32 platform 2) bad implementation of tmpfile() function on windows platform it tries to create temporary files in the root of current directory instead of the system temporary path so that causes failure for unprivileged users who don't have permissions to write there - update: changes in new version of libpng 1.4.0, aaio.c updated as necessary png_check_sig() function replaced with png_sig_cmp() setjmp(png_ptr->jmpbuf) has been deprecated, changed to setjmp(png_jmpbuf(png_ptr)) see more at http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt 2010/01/10 - aaphoto v0.33 - some changes in documentation - bugfix: unfreed space caused memory leak - bugfix: uninitialized variable caused --resize to misbehave - fix: change of return values in procedures to reflect standard exit codes now it has a sense to run something like "aaphoto image.jpg && echo OK" formerly return codes meant opposite - fix a warning message during compile time, an include was missing - boundary check of fixed size arrays added for safety reasons - the --speed switch removed, it made the code less platform independent and was fussy anyway - error messages printed to stderr instead of stdout from now - more verbose error messages on failure of image load 2009/10/18 - aaphoto v0.32 - new aaRGB v0.60 version update - new --noexif switch added to save new image without exif info - new --bmp switch added for BMP format output - new -o, --output switch added for alternate directory output 2009/08/23 - aaphoto v0.31 - bugfix: __BMP_ONLY__ directive is fixed in source code - bugfix: writing of BMP images could result in corrupt BMP structure - code cleanup in BMP write function - parameters of switches also work with spaces between them - new aaRGB v0.59 version update 2009/02/22 - aaphoto v0.30 - implement PNG format (RGB and Gray images read / write with alpha channel support) - bugfix: reading corrupt exif info in JPEG files could get into an infinite loop - bugfix: length of exif info was determined wrongly - rework of the parameters and switches parsing part - lots of code cleanup - most of the comments in code translated to english - print messages get flushed out with fflush now during process - the --info switch removed - the -o switch removed for safety reasons, --overwrite still available - the -h switch added for unix compatibility - the -j1 and -j2 switch removed, --jpg and --jp2 still available - the --png switch is now new for PNG output - the -s switch changed from --speed to --silent for compatibility - the --mute switch changed to -s, --silent and --quiet for unix / posix compatibility - the -V, --verbose switch is now new for more detailed output during image process - the --test switch now turns the --autoadjust switch on by default - the -d, --description and -l, --license switches removed - thanks to Rezső Páder (rezso.net) for the suggestions for the option switches - new aaRGB v0.58 version update 2008/02/02 - aaphoto v0.29 - bugfix: color space variable was not defined during the load of BMP format - bugfix: BMP format handling fixed for JPEG conversion - grayscale images can also be used as an input - increase file name buffer for processing files in folders - Exif meta data information is now restored during conversion in JPEG images 2007/08/11 - aaphoto v0.28 - new aaRGB v0.57 version update - bugfix: remove extra slashes from the end of folders 2007/07/04 - aaphoto v0.27 - new aaRGB v0.56 version update v0.56 with "Apply only on selection" function 2007/05/26 - aaphoto v0.26 - bugfix: Win32 version crashed during JPEG-2000 conversion 2007/05/19 - aaphoto v0.25 - expand functions: rotate 90, 180, 270, flip x, flip y 2007/05/01 - aaphoto v0.24 - improve timing values - input parameter can be folders beside files too - bitmap info parameter now works with bmp too - simplify parameter input: no --autoadjust parameter needed from now, default is on 2007/04/03 - aaphoto v0.23 - new aaRGB v0.55 version update 2007/04/01 - aaphoto v0.22 - new aaRGB v0.54 version update 2007/03/30 - aaphoto v0.21 - create bmp_only macro in source code for other platforms - bug fixes 2007/03/29 - aaphoto v0.20 - new aaRGB v0.53 version update 2007/02/25 - aaphoto v0.19 - extra information output within image for testing purposes 2007/02/22 - aaphoto v0.18 - custom code for BMP input/output 2007/01/24 - aaphoto v0.17 - implement JasPer encoder for further image formats 2007/01/04 - aaphoto v0.16 - stable working command-line version for linux environment with BMP format support aaRGB Changelog: ------------------ 2013/09/30 - aaRGB v0.65 - fix some compile time warnings and uninitalized variables 2011/01/26 - aaRGB v0.64 - the contrast seemed strong with the default initial value of the former algorithm, so now constant optimized to the new contrast algorithm introduced in 0.63 - add more detailed explanations to the contrast algorithm (in hungarian) 2010/12/18 - aaRGB v0.63 - include OpenMP defs in aargb.c too for standalone usage - fix some warning messages during build - make embedded test info image look more readable by changing the colors (--test switch) - change saturation algorithm from linear to exponential - improve contrast algorithm to include a self balance mechanism to avoid overexposure on images with large blank areas that have relatively small details - improve color balance algorithm to make it a bit more aggressive by raising the value of the color difference factor of the white and black point to the 3rd power - speed up process by skipping saturation part if no change is needed - some memory allocation check - some changes in documentation 2010/09/14 - aaRGB v0.62 - bugfix: an ugly misconception in my paralleled code caused weird behavior when using more threads - rewrite the code to suffice the ISO C90 ANSI standard C form (GCC -pedantic option) 2010/05/02 - aaRGB v0.61 - add OpenMP support for multi processing, all computing cycles paralleled - solve warning issues with some uninitialized variables - some code cleanup 2009/10/18 - aaRGB v0.60 - remove gamma handling of the lighter colors from the two-pole gamma computing by setting the gamma_interval_high from 0.9 to 1, it proved to be inefficient 2009/04/05 - aaRGB v0.59 - some more code cleanup 2009/02/22 - aaRGB v0.58 - code cleanup 2007/08/11 - aaRGB v0.57 - improve black and white point analyzing from now they are not scaled to perfect black and white, but to their darkest and brightest color that have maximum saturation to fix overexposure problem - improve saturation algorithm with full floating point computing and HSL conversion to fix over saturated colors - expand image information display with color balance circle for testing (--test switch) - remove text information from test display (--test switch) 2007/06/21 - aaRGB v0.56 - expand functionality with "apply only on selection" to process only the selected area 2007/04/03 - aaRGB v0.55 - maximize saturation limit with a predefined constant to avoid overexposure in saturation when reconverting the same image 2007/04/01 - aaRGB v0.54 - new two-pole gamma computing - new saturation compensation 2007/03/29 - aaRGB v0.53 - improve contrast computing to avoid underexposure 2007/02/25 - aaRGB v0.52 - improve image information display for testing (--test switch) 2007/02/16 - aaRGB v0.51 - improve average RGB color computing for more accurate color balance calibration 2007/01/04 - aaRGB v0.49 - stable working version with gamma handling and more clever image analyzing 2006/08/29 - aaRGB project begun... aaphoto-0.43.1/INSTALL000066400000000000000000000041521227271207500142720ustar00rootroot00000000000000The software needs the following components to be installed on the system before compilation: GCC - Gnu Compiler Collection, http://gcc.gnu.org/ libgomp - OpenMP for parallel programming, http://gcc.gnu.org/onlinedocs/libgomp/ libjasper - JasPer software, http://www.ece.uvic.ca/~mdadams/jasper/ libjpeg - IJG Jpeg software, http://www.ijg.org/ libpng - PNG software, http://www.libpng.org/ libz - Compression library, http://www.zlib.net/ Remark: GCC 4.2 and above should come with libgomp ******************************************************************************** Installing development files for Debian GNU/Linux: ----------------------------------------------------- su -c "apt-get install build-essential libjpeg-dev libjasper-dev libz-dev libpng-dev" Compiling and installing aaphoto: ---------------------------------------- wget log69.com/downloads/aaphoto_sources.tar.gz tar xf aaphoto_sources.tar.gz cd aaphoto-* ./configure && make && su -c "make install" ******************************************************************************** Compiling from whole source code (only gcc is needed): ---------------------------------------------------------- wget http://log69.com/downloads/aaphoto_sources_all.tar.gz gunzip aaphoto_sources_all.tar.gz tar xf aaphoto_sources_all.tar cd aaphoto/scripts ./cc_all_unix.sh ../bin/aaphoto ******************************************************************************** To compile the software manually, you should run this from a console: ------------------------------------------------------------------------- gcc aaphoto.c -o aaphoto -O2 -ljasper -ljpeg -lpng -lz -lm -D__OPENMP__ -fopenmp -lgomp ******************************************************************************** ******************************************************************************** To compile the software manually with only BMP support without any extra libs (only math library is needed): -------------------------------------------------------------------------------- gcc aaphoto.c -o aaphoto -O2 -lm -D __BMP_ONLY__ ******************************************************************************** aaphoto-0.43.1/LICENSE000066400000000000000000000011441227271207500142440ustar00rootroot00000000000000This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. 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you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . [DESCRIPTION] Auto Adjust Photo is a tiny command-line image manipulation tool for automatic color correction of photos. It tries to make the picture look better. The program does this by analyzing the input image and then sets the most optimal contrast, gamma, color balance and saturation for it. [HELP] USAGE: aaphoto [options] [source files] The following image types are supported (thanks to JasPer, JPEG and PNG): mif, pnm / pgm / ppm, bmp, ras, jp2, jpc, jpg, png Quality settings can be applied only to jp2, jpc, jpg formats The following options are supported: -h --help Print this help -v --version Print version information -a --autoadjust Auto adjust the colors of the image -o --output Set output directory --overwrite Overwrite mode, the original source file is replaced --jpg JPEG image output --jp2 JPEG 2000 image output --png PNG image output with alpha channel support --bmp BMP image output -r --resize Resize image taking the longer side in % or pixels --rotate90 Rotate image with 90 degrees clockwise --rotate180 Rotate image with 180 degrees --rotate270 Rotate image with 90 degrees counter-clockwise --flipx Mirror image horizontally --flipy Mirror image vertically --noexif Save image without EXIF info -q --quality Set image quality from 1 to 100 -t --threads Set number of working threads (default: autodetect) -s --silent Silent mode, no information printed during operation --quiet ...same as above -V --verbose Print verbose information about processing --test Print detailed test information into image EXAMPLES: aaphoto image.jpg aaphoto -a -r600 -q85 *.jpg aaphoto mydir aaphoto -V --resize70% image.png aaphoto --quality60 image.jp2 REMARKS: - auto adjust parameter is set by default without any other parameters - _new file name will be generated without --overwrite parameter - every file is processed on directory input but not recursively - order of parameters does not matter - resize value can be set in percentage too - resize parameter should be less or equal than original - resize uses the best (and slowest) resampling method - default jpeg compression quality is 95% - EXIF information is restored in jpeg images by default - number of threads is set to the number of online processors by default aaphoto-0.43.1/REMARKS000066400000000000000000000035511227271207500142720ustar00rootroot00000000000000Auto Adjust Photo - other remarks ----------------------------------------------------------------------------------------- Remember: ----------- - mark changes in aaphoto.c and aargb.c (changelog in the begining) - check if readme texts are within 80 characters width - check source codes for security errors: cd sources ; rats *.c | grep -i high - check source codes for memory leaks: valgrind aaphoto image.jpg - after installation of innosetup in wine: ln -s ~/development/aaphoto ~/.wine/dosdevices/z: - run copy script for new release Places to change version number: --------------------------------- - aaphoto.c: beginning of source code at the changelog - aaphoto.c: beginning of source code where the --version switch info is - aargb.c: beginning of source code at the changelog - inno setup source code - scripts/copy_all_to_downloads.sh - debian_package/debian/DEBIAN/control file - manual file (date and versions too) - generate README file - generate sources/ChangeLog - create a compressed backup from current version in ./backup folder with version number - aaphoto.html: at the downloads (date, version, file size, link to another release version) - index.html: at blog part (only place to change manually) ----------------------------------------------------------------------------------------- Compiling: ----------- - for compiling 32 bit binary on 64 bit system: "./cc_all_unix.sh -m32" - m32 option might need this on debian: apt-get install libc6-dev-i386 - at compile the included libs should have the order where the first ones depend the latter ones - __OPENMP__ directive and -fopenmp -lgomp option needed at compile time for OpenMP support - innosetup should be installed into wine ----------------------------------------------------------------------------------------- AUTOMAKE: ----------- autoscan && mv configure.scan configure.in && autoconf && automake aaphoto-0.43.1/TODO000066400000000000000000000015741227271207500137360ustar00rootroot00000000000000Auto Adjust Photo - TODO LIST ------------------------------- - run color adjustment only on maximum 1 mpixel size of the image to speed up process - check sorces with splint - translate all comments to english in aargb.c too - include manual file with sources - give more verbose error messages on faliure of image load - recursive directory read with -R and --recursive switches - ability to pipe through image data - check EXIF handling in libjpeg if it can restore data on its own - at jpeg images, try to set back the original compression quality - autorotate function according to exif info (not default) - automatically ignore the frame part of the picture in computing - add --nodate option for leaving out dates stamped on pictures - automatic red eye removal (print message if there was any) - automatic noise reduction - automatic selective gaussian blur - automatic sharpening aaphoto-0.43.1/aaio.c000066400000000000000000001777421227271207500143360ustar00rootroot00000000000000/*---------------------------------------------------------------------- This file is part of aaphoto. aaphoto is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. aaphoto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . ------------------------------------------------------------------------*/ /* ----------------------------------------------------- */ /* ----------- STRING CONVERT TO LOWER CASE ------------ */ /* ----------------------------------------------------- */ void STRING_CONVERT_TO_LCASE(char *strin, char *strout) { int i; for (i=0; strin[i]!=0; i++){ if (i < max_char-1){ strout[i]=tolower(strin[i]); } } strout[i]=0; } /* -------------------------------------------------- */ /* ----------- STRING CONVERT TO INTEGER ------------ */ /* -------------------------------------------------- */ int STRING_CONVERT_TO_INTEGER(char *str, int *number) { int i, c, d; int xx = 0; int yy; int num; int num_max = 8; i = 0; while ((str[i]) && (i < num_max)){ i++; } if (i >= num_max) return 1; c = i; num = 0; if (c > 0){ d = 1; for (i=1; i<=c; i++){ yy = 1; if (str[c-i] == '0') { xx = 0; yy = 0; } if (str[c-i] == '1') { xx = 1; yy = 0; } if (str[c-i] == '2') { xx = 2; yy = 0; } if (str[c-i] == '3') { xx = 3; yy = 0; } if (str[c-i] == '4') { xx = 4; yy = 0; } if (str[c-i] == '5') { xx = 5; yy = 0; } if (str[c-i] == '6') { xx = 6; yy = 0; } if (str[c-i] == '7') { xx = 7; yy = 0; } if (str[c-i] == '8') { xx = 8; yy = 0; } if (str[c-i] == '9') { xx = 9; yy = 0; } if (yy) return 1; num += xx * d; d *= 10; } } else{ return 1; } *number = num; return 0; } /* ------------------------------------- */ /* ----------- STRING PRINT ------------ */ /* ------------------------------------- */ /* print text to stdout */ void STRING_PRINT(const char str[]) { if (!(opt_quiet)){ fprintf(stdout, "%s", str); fflush(stdout); } } /* ------------------------------------- */ /* -------- STRING PRINT ERROR --------- */ /* ------------------------------------- */ /* print text to stderr */ void STRING_PRINTE(const char str[]) { /* if (!(opt_quiet)){ */ fprintf(stderr, "%s", str); fflush(stderr); /* } */ } /* ------------------------------------- */ /* ------- STRING PRINT VERBOSE -------- */ /* ------------------------------------- */ /* print time and text to stdout if in verbose mode */ void STRING_PRINTV(const char str[]) { if(opt_verbose){ if (!(opt_quiet)){ /* print time since start in seconds if bigger than 1 */ /* and decrement the time by 1 because the program may start in a middle of a second, that i don't know */ int t = time(NULL) - mytime; if (t > 1){ printf("(%d) ", t-1); } /* print text */ fprintf(stdout, "%s", str); fflush(stdout); } } } void STRING_PRINTV2(const char str[]) { if(opt_verbose){ if (!(opt_quiet)){ /* print text */ fprintf(stdout, "%s", str); fflush(stdout); } } } /* -------------------------------------- */ /* ----------- STRING PRINTVD ----------- */ /* -------------------------------------- */ /* print decimal number to stdout */ void STRING_PRINTVD(int num) { if(opt_verbose){ if (!(opt_quiet)){ fprintf(stdout, "%d", num); fflush(stdout); } } } /* -------------------------------------- */ /* ----------- STRING PRINTED ----------- */ /* -------------------------------------- */ /* print decimal number to stderr */ void STRING_PRINTED(int num) { if (!(opt_quiet)){ fprintf(stderr, "%d", num); fflush(stderr); } } /* -------------------------------------- */ /* ----------- STRING PRINTF ------------ */ /* -------------------------------------- */ /* print floating number to stdout */ void STRING_PRINTF(double num) { if (!(opt_quiet)){ fprintf(stdout, "%.2f", num); fflush(stdout); } } /* --------------------------------------- */ /* ----------- STRING COMPARE ------------ */ /* --------------------------------------- */ /* compare two string values */ /* result is 0 if true */ int STRING_COMPARE(char *str1, char *str2) { int i = 0; int result = 0; while ((str1[i]) && (str2[i])) { if (str1[i] != str2[i]) result = 1; i++; } if (str1[i] != str2[i]) result = 1; return result; } /* --------------------------------------------------------- */ /* ----------- STRING COMPARE WITH FIXED LENGTH ------------ */ /* --------------------------------------------------------- */ int STRING_COMPARE_FIX(char *str1, char *str2, int count) { int result = 0; int i; for (i=0; i= 0) && (strin[i] != slsh)) { c++; i--; } /*if (i >= 0) { */ for (i=0; i= 0) && (strin[i] != slsh)) { i--; } st = i + 1; /* check extension of file */ c = 0; i = len-1; while ((i >= 0) && (strin[i] != '.')) { i--; } c = i - 1; if (c >= st) { for (i=0; i= 0) && (strin[i] != '.')) { c++; i--; } c++; if (c > 0) { for (i=0; i= 0) && (strin[i] != slsh)) { c++; i--; } if (i >= 0) { for (i=0; i= max_char) return 255; strout[c] = fpath[i]; i++; c++; } } else { i = 0; while (opt_output_path[i] != '\0') { if (c >= max_char) return 255; strout[c] = opt_output_path[i]; i++; c++; } } i = 0; while (fname[i] != '\0') { if (c >= max_char) return 255; strout[c] = fname[i]; i++; c++; } if (!(opt_overwrite)) { i = 0; while (fnew[i] != '\0') { if (c >= max_char) return 255; strout[c] = fnew[i]; i++; c++; } } i = 0; while (fext[i] != '\0') { if (c >= max_char) return 255; if ((!opt_jpg) && (!opt_jp2) && (!opt_png) && (!opt_bmp)) strout[c] = fext[i]; if (opt_jpg) strout[c] = fextj1[i]; if (opt_jp2) strout[c] = fextj2[i]; if (opt_png) strout[c] = fextj3[i]; if (opt_bmp) strout[c] = fextj4[i]; i++; c++; } if (c >= max_char) return 255; strout[c] = fext[i]; if (opt_jpg) bitmap_format_jpg_file_type = 6; if (opt_jp2) bitmap_format_jpg_file_type = 4; if (!(opt_overwrite) && (FILE_EXIST(strout))) return 1; return 0; } /* -------------------------------------------- */ /* ------------- GET FILE FORMAT -------------- */ /* -------------------------------------------- */ int GET_FILE_FORMAT(char *file_name) { int res; char fext[max_char]; char fextl[max_char]; /* JasPer format codes (0-7) */ /* --------------------------- */ /* 0 - mif */ /* 1 - pnm / pgm / ppm */ /* 2 - bmp */ /* 3 - ras */ /* 4 - jp2 */ /* 5 - jpc */ /* 6 - jpg */ /* 7 - pgx */ /* 8 - png */ GET_FILE_EXTENSION(file_name, fext); STRING_CONVERT_TO_LCASE(fext, fextl); res = -1; if (!STRING_COMPARE(fextl, ".mif")) res = 0; if (!STRING_COMPARE(fextl, ".pnm")) res = 1; if (!STRING_COMPARE(fextl, ".pgm")) res = 1; if (!STRING_COMPARE(fextl, ".ppm")) res = 1; if (!STRING_COMPARE(fextl, ".bmp")) res = 2; if (!STRING_COMPARE(fextl, ".ras")) res = 3; if (!STRING_COMPARE(fextl, ".jp2")) res = 4; if (!STRING_COMPARE(fextl, ".jpc")) res = 5; if (!STRING_COMPARE(fextl, ".jpg")) res = 6; if (!STRING_COMPARE(fextl, ".jpeg")) res = 6; if (!STRING_COMPARE(fextl, ".jpe")) res = 6; /* if (!STRING_COMPARE(fextl, ".pgx")) res = 7; */ if (!STRING_COMPARE(fextl, ".png")) res = 8; return res; } /* ----------------------------------------- */ /* ----------- FILE LIST ADD --------------- */ /* ----------------------------------------- */ int FILE_LIST_ADD(char *file_name) { /* isn't the file name buffer full yet? */ if (file_name_buffer_pointer + max_char < max_file_name_buffer){ /* char fpath [max_char]; char fname [max_char]; char fext [max_char]; GET_FILE_PATH(file_name, fpath); GET_FILE_NAME_ONLY(file_name, fname); GET_FILE_EXTENSION(file_name, fext); */ DIR * dp; DIR * dp2; const struct dirent * ent; int cnt; /* if the name points to a directory */ dp = opendir(file_name); if (dp != NULL){ /* list files in directory */ cnt = 0; while (ent = readdir(dp), ent != NULL) { int i, i2, res, flag; char file_name_new [max_char]; res = 0; if (!STRING_COMPARE((char*)(ent->d_name), ".")) res = 1; if (!STRING_COMPARE((char*)(ent->d_name), "..")) res = 1; if (res == 0){ cnt++; /* create new file name with path */ i = 0; while (file_name[i]){ if (i >= max_char) return 255; file_name_new[i] = file_name[i]; i++; } /* remove '/' characters from the end of directory names when more than 1 */ flag = 0; while ((i > 1) && (flag == 0)) { if (file_name_new[i-1] == slsh) { i--; } else { flag = 1; } } /* add '/' character to directory path */ file_name_new[i] = slsh; /* add found file name to directory path */ i++; i2 = 0; while (ent->d_name[i2]){ file_name_new[i] = ent->d_name[i2]; i++; i2++; } file_name_new[i] = 0; /* if new name is not a dir, then store file name */ dp2 = opendir(file_name_new); if (dp2 != NULL){ closedir(dp2); } else{ int i, len; i = 0; while (file_name_new[i]){ i++; } len = i; for (i=0; i= exif_file_length) { exif_bad = 1; } } else { exif_ok = 1; /* check 'Exif00' pattern 45 78 69 66 00 00 */ fseek(fhandle, exif_start + 4, SEEK_SET); ch1 = fgetc(fhandle); ch2 = fgetc(fhandle); if ((ch1 != 0x45) || (ch2 != 0x78)) { exif_ok = 0; } fseek(fhandle, exif_start + 6, SEEK_SET); ch1 = fgetc(fhandle); ch2 = fgetc(fhandle); if ((ch1 != 0x69) || (ch2 != 0x66)) { exif_ok = 0; } fseek(fhandle, exif_start + 8, SEEK_SET); ch1 = fgetc(fhandle); ch2 = fgetc(fhandle); if ((ch1 != 0x00) || (ch2 != 0x00)) { exif_ok = 0; } /* check length of exif array */ if (exif_ok == 1) { fseek(fhandle, exif_start + 2, SEEK_SET); ch1 = fgetc(fhandle); ch2 = fgetc(fhandle); /* exif length = exif pointer + 2 */ /* with the extra 2 bytes we take the FFE1 exif marker too into the buffer */ exif_buffer_length = (long)(ch1) * 256 + (long)(ch2) + 2; } else { exif_bad = 1; } } } } if (exif_ok == 0) { fclose(fhandle); return 1; } /* allocate memory for file load */ /* print info */ STRING_PRINTV("allocating memory for exif buffer\n"); exif_buffer = malloc(exif_buffer_length * sizeof (*exif_buffer)); if (exif_buffer == 0) { fclose(fhandle); return 1; } /* load exif part of file into memory */ /* print info */ STRING_PRINTV("reading exif info\n"); fseek(fhandle, exif_start, SEEK_SET); if (fread(exif_buffer, 1, exif_buffer_length, fhandle) == 0) { fclose(fhandle); return 1; } /* close file */ fclose(fhandle); exif_flag = 1; return 0; } /* ------------------------------------ */ /* ----------- EXIF PUT --------------- */ /* ------------------------------------ */ /* put exif information back to the file from memory (if there was any) */ int EXIF_PUT(char *file_name) { if (exif_flag) { FILE *fhandle; /* print info */ STRING_PRINTV("writing exif info "); /* print info */ STRING_PRINTVD((int)(exif_buffer_length)); /* print info */ STRING_PRINTV2(" bytes\n"); /* open file for writing */ fhandle = fopen(file_name, "wb+"); if (fhandle == 0) return 1; /* write FFD8 JPEG indicator into the first 2 bytes */ if (fputc(0xff, fhandle) == 0) return 1; if (fputc(0xd8, fhandle) == 0) return 1; /* write out the rest of the exif info */ /* here the exif info has to be written with 2 bytes less from the end */ /* because the JPEG writer wants to add the FFD8 marker himself too */ /* so this prevents FFD8 to be 2 times wrongly */ if (fwrite(exif_buffer, 1, exif_buffer_length - 2, fhandle) == 0) return 1; fclose(fhandle); } return 0; } /* ------------------------------------ */ /* ----------- EXIF CORRECT ----------- */ /* ------------------------------------ */ /* correct the last 2 bytes of the exif data back from FFD8 to FFD9 */ /* cause when we put the exif back to the file, we put 2 bytes less */ /* and the jpeg writer can append the jpeg file starting with FFD8 */ /* so these 2 bytes needs to be changed back to FFD9 */ int EXIF_CORRECT(char *file_name) { if (exif_flag) { /* open file for writing */ FILE *fhandle; fhandle = fopen(file_name, "rb+"); if (fhandle == 0) return 1; /* write FFD9 EXIF END indicator to the end of exif data */ fseek(fhandle, exif_buffer_length + 0, SEEK_SET); if (fputc(0xff, fhandle) == 0) return 1; if (fputc(0xd9, fhandle) == 0) return 1; fclose(fhandle); } return 0; } /* -------------------------------------------------- */ /* ----------- BITMAP READ IN BMP FORMAT ------------ */ /* -------------------------------------------------- */ int BITMAP_READ_BMP(char *file_name) { unsigned long f_bm; unsigned long f_bitcount; unsigned long f_compressed; unsigned long f_headersize; unsigned long f_offs; unsigned long f_width; unsigned long f_height; unsigned long f_xpixelpermeter; unsigned long f_ypixelpermeter; unsigned long addr, addr2; unsigned long addr_offset; unsigned long bw, bh; unsigned long file_length; unsigned char *file_buffer; unsigned long i, x, y; FILE *fhandle; /* print info */ STRING_PRINTV("bmp initializations\n"); /* open file for reading */ /* print info */ STRING_PRINTV("opening file for reading\n"); fhandle = fopen(file_name, "rb"); if (fhandle == 0) return 1; /* check length of file */ fseek(fhandle, 0, SEEK_END); file_length = ftell(fhandle); fseek(fhandle, 0, SEEK_SET); /* allocate memory for file load */ /* print info */ STRING_PRINTV("allocating memory for bmp object\n"); file_buffer = malloc(file_length * sizeof (*file_buffer)); if (file_buffer == 0) return 1; /* load file into memory */ /* print info */ STRING_PRINTV("reading image file\n"); if (fread(file_buffer, 1, file_length, fhandle) == 0) { /* print info */ STRING_PRINTV("freeing bmp object\n"); free(file_buffer); return 1; } /* close file */ fclose(fhandle); /* read BMP indicator */ f_bm = 0; f_bm += file_buffer[0] << 0; f_bm += file_buffer[1] << 8; f_bitcount = 0; f_bitcount += file_buffer[28] << 0; f_bitcount += file_buffer[29] << 8; f_compressed = 0; f_compressed += file_buffer[30] << 0; f_compressed += file_buffer[31] << 8; f_compressed += file_buffer[32] << 16; f_compressed += file_buffer[33] << 24; /* check BMP format (BMP header + uncompressed + 24 bit colors) */ if ((f_bm == 0x00004d42) && ((f_bitcount == 24) || (f_bitcount == 8)) && (f_compressed == 0)) { bitmap_format_bmp_clrspc_type = f_bitcount; if (f_bitcount == 8){ int gray_flag; /* offset pointing to color palette */ f_headersize = 14; f_headersize += file_buffer[14] << 0; f_headersize += file_buffer[15] << 8; f_headersize += file_buffer[16] << 16; f_headersize += file_buffer[17] << 24; /* check whether the 8 bit image contains only gray colors? */ gray_flag = 1; #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads) #endif for (i=0; i<256; i++){ if ((file_buffer[i*4+f_headersize+0] != file_buffer[i*4+f_headersize+1]) || (file_buffer[i*4+f_headersize+1] != file_buffer[i*4+f_headersize+2])){ gray_flag = 0; } } /* if not gray then exit, because minimim bitdepth of colors to correct is 24 (or 8 bit gray) */ if (gray_flag == 0) { /* print info */ STRING_PRINTV("freeing bmp object\n"); free(file_buffer); return 1; } } /* offset pointing to RGB datas */ f_offs = 0; f_offs += file_buffer[10] << 0; f_offs += file_buffer[11] << 8; f_offs += file_buffer[12] << 16; f_offs += file_buffer[13] << 24; /* width of image in pixels */ f_width = 0; f_width += file_buffer[18] << 0; f_width += file_buffer[19] << 8; f_width += file_buffer[20] << 16; f_width += file_buffer[21] << 24; /* height of image in pixels */ f_height = 0; f_height += file_buffer[22] << 0; f_height += file_buffer[23] << 8; f_height += file_buffer[24] << 16; f_height += file_buffer[25] << 24; /* x pixel per meter value */ f_xpixelpermeter = 0; f_xpixelpermeter += file_buffer[38] << 0; f_xpixelpermeter += file_buffer[39] << 8; f_xpixelpermeter += file_buffer[40] << 16; f_xpixelpermeter += file_buffer[41] << 24; /* y pixel per meter value */ f_ypixelpermeter = 0; f_ypixelpermeter += file_buffer[42] << 0; f_ypixelpermeter += file_buffer[43] << 8; f_ypixelpermeter += file_buffer[44] << 16; f_ypixelpermeter += file_buffer[45] << 24; bw = f_width; bh = f_height; bitmap_width = f_width; bitmap_height = f_height; xdpi = f_xpixelpermeter; ydpi = f_ypixelpermeter; /* print info */ STRING_PRINTV("dimension is "); STRING_PRINTVD(bitmap_width); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(bitmap_height); STRING_PRINTV2(" pixels\n"); /* print info */ STRING_PRINTV("resolution is "); STRING_PRINTVD(xdpi); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(ydpi); STRING_PRINTV2(" pixels per meter\n"); /* print info */ STRING_PRINTV("colors have "); STRING_PRINTVD(f_bitcount); /* print info */ STRING_PRINTV2(" bit depth\n"); #ifndef __BMP_ONLY__ if (f_bitcount == 8) { bitmap_format_jpg_clrspc_type = 8; } if (f_bitcount == 24){ bitmap_format_jpg_clrspc_type = 24; } if (f_bitcount == 8) { bitmap_format_png_clrspc_type = 0; } if (f_bitcount == 24){ bitmap_format_png_clrspc_type = 2; } #endif /* allocate memory for the unpacked RGB colors */ /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_buffer = malloc(bw * bh * 3 * sizeof(*bitmap_buffer)); if (bitmap_buffer == 0) return 1; /* print info */ STRING_PRINTV("copying colors from bmp object to bitmap buffer\n"); if (f_bitcount == 8){ addr_offset = f_width % 4; if (addr_offset) addr_offset = 4 - addr_offset; #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2) num_threads(max_threads) #endif for (y=0; y<=bh-1; y++){ addr2 = y * bw * 1 + y * addr_offset; for (x=0; x<=bw-1; x++){ addr = f_offs + addr2 + x * 1; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 0] = file_buffer[addr + 0]; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 1] = file_buffer[addr + 0]; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 2] = file_buffer[addr + 0]; } } } else{ addr_offset = (f_width) * 3 % 4; if (addr_offset) addr_offset = 4 - addr_offset; #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2) num_threads(max_threads) #endif for (y=0; y<=bh-1; y++){ addr2 = y * bw * 3 + y * addr_offset; for (x=0; x<=bw-1; x++){ addr = f_offs + addr2 + x * 3; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 0] = file_buffer[addr + 2]; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 1] = file_buffer[addr + 1]; bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 2] = file_buffer[addr + 0]; } } } /* print info */ STRING_PRINTV("freeing bmp object\n"); free(file_buffer); return 0; } /* free memory */ /* print info */ STRING_PRINTV("freeing bmp object\n"); free(file_buffer); return 1; } /* -------------------------------------------------- */ /* ---------- BITMAP WRITE IN BMP FORMAT ------------ */ /* -------------------------------------------------- */ int BITMAP_WRITE_BMP(char *file_name) { unsigned long f_offs; unsigned long addr, addr2; unsigned long addr_offset; unsigned long bw, bh; unsigned long f_xpixelpermeter; unsigned long f_ypixelpermeter; unsigned long temp; unsigned long file_length; unsigned char *file_buffer; unsigned long col; unsigned long i, x, y; FILE *fhandle; /* print info */ STRING_PRINTV("bmp initializations\n"); bw = bitmap_width; bh = bitmap_height; f_xpixelpermeter = xdpi; f_ypixelpermeter = ydpi; /* allocate memory for unpacked RGB colors (3 plus bytes more in every width because of the BMP's 4 byte align adjust) */ /* print info */ STRING_PRINTV("allocating memory for bmp object\n"); if (bitmap_format_bmp_clrspc_type == 8) { addr_offset = bw % 4; if (addr_offset) addr_offset = 4 - addr_offset; file_length = 54 + 4 * 256 + (bw + addr_offset) * bh; } else { addr_offset = (bw * 3) % 4; if (addr_offset) addr_offset = 4 - addr_offset; file_length = 54 + (bw * 3 + addr_offset) * bh; } file_buffer = calloc(file_length, sizeof (*file_buffer)); if (file_buffer == 0) return 1; /* write BMP indicator */ file_buffer[0] = 0x42; file_buffer[1] = 0x4d; /* file length marker */ file_buffer[2] = (file_length & 0x000000ff) >> 0; file_buffer[3] = (file_length & 0x0000ff00) >> 8; file_buffer[4] = (file_length & 0x00ff0000) >> 16; file_buffer[5] = (file_length & 0xff000000) >> 24; /* zero */ file_buffer[6] = 0; file_buffer[7] = 0; file_buffer[8] = 0; file_buffer[9] = 0; if (bitmap_format_bmp_clrspc_type == 8) { /* bitmap offset (standard = 54) */ file_buffer[10] = 54; file_buffer[11] = 4; /* + 4 * 256 pieces of RGB gray colors = 0x0400 */ file_buffer[12] = 0; file_buffer[13] = 0; /* number of bits per pixel */ file_buffer[28] = 8; file_buffer[29] = 0; } else { /* bitmap offset (standard = 54) */ file_buffer[10] = 54; file_buffer[11] = 0; file_buffer[12] = 0; file_buffer[13] = 0; /* number of bits per pixel */ file_buffer[28] = 24; file_buffer[29] = 0; } /* bitmap info header (standard = 40) */ file_buffer[14] = 40; file_buffer[15] = 0; file_buffer[16] = 0; file_buffer[17] = 0; /* width of image in pixels */ file_buffer[18] = (bw & 0x000000ff) >> 0; file_buffer[19] = (bw & 0x0000ff00) >> 8; file_buffer[20] = (bw & 0x00ff0000) >> 16; file_buffer[21] = (bw & 0xff000000) >> 24; /* height of image in pixels */ file_buffer[22] = (bh & 0x000000ff) >> 0; file_buffer[23] = (bh & 0x0000ff00) >> 8; file_buffer[24] = (bh & 0x00ff0000) >> 16; file_buffer[25] = (bh & 0xff000000) >> 24; /* number of planes */ file_buffer[26] = 1; file_buffer[27] = 0; /* compression (standard = 0) */ file_buffer[30] = 0; file_buffer[31] = 0; file_buffer[32] = 0; file_buffer[33] = 0; /* size of bitmap image in bytes */ if (bitmap_format_bmp_clrspc_type == 8) { temp = (bw + addr_offset) * bh; } else { temp = (bw * 3 + addr_offset) * bh; } file_buffer[34] = (temp & 0x000000ff) >> 0; file_buffer[35] = (temp & 0x0000ff00) >> 8; file_buffer[36] = (temp & 0x00ff0000) >> 16; file_buffer[37] = (temp & 0xff000000) >> 24; /* x pixel per meter value */ file_buffer[38] = (f_xpixelpermeter & 0x000000ff) >> 0; file_buffer[39] = (f_xpixelpermeter & 0x0000ff00) >> 8; file_buffer[40] = (f_xpixelpermeter & 0x00ff0000) >> 16; file_buffer[41] = (f_xpixelpermeter & 0xff000000) >> 24; /* y pixel per meter value */ file_buffer[42] = (f_ypixelpermeter & 0x000000ff) >> 0; file_buffer[43] = (f_ypixelpermeter & 0x0000ff00) >> 8; file_buffer[44] = (f_ypixelpermeter & 0x00ff0000) >> 16; file_buffer[45] = (f_ypixelpermeter & 0xff000000) >> 24; for (i=46; i<54; i++) file_buffer[i] = 0; /* print info */ STRING_PRINTV("copying colors from bitmap buffer to bmp object\n"); if (bitmap_format_bmp_clrspc_type == 8) { #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads) #endif for (i=0; i<256; i++){ file_buffer[54 + i*4 + 0] = i; file_buffer[54 + i*4 + 1] = i; file_buffer[54 + i*4 + 2] = i; file_buffer[54 + i*4 + 3] = 0; } f_offs = 54 + 4 * 256; addr = 0; #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2, col) num_threads(max_threads) #endif for (y=0; y<=bh-1; y++){ addr2 = y * (bw + addr_offset); for (x=0; x<=bw-1; x++){ addr = f_offs + addr2 + x; col = bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 0]; col += bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 1]; col += bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 2]; file_buffer[addr + 0] = col / 3; } } } else { f_offs = 54; addr = 0; #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2) num_threads(max_threads) #endif for (y=0; y<=bh-1; y++){ addr2 = y * (bw * 3 + addr_offset); for (x=0; x<=bw-1; x++){ addr = f_offs + addr2 + x * 3; file_buffer[addr + 0] = bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 2]; file_buffer[addr + 1] = bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 1]; file_buffer[addr + 2] = bitmap_buffer[x * 3 + bw * 3 * (bh-1-y) + 0]; } } } /* open file for writing */ /* print info */ STRING_PRINTV("opening file for writing\n"); fhandle = fopen(file_name, "wb"); if (fhandle == 0) return 1; /* write and flush file from memory */ /* print info */ STRING_PRINTV("writing image file\n"); if (fwrite(file_buffer, 1, file_length, fhandle) == 0) return 1; /* close file */ fclose(fhandle); /* print info */ STRING_PRINTV("freeing bmp object\n"); free(file_buffer); return 0; } #ifndef __BMP_ONLY__ /* -------------------------------------------------- */ /* --------- BITMAP READ IN JASPER FORMAT ----------- */ /* -------------------------------------------------- */ int BITMAP_READ_JASPER(char *file_name) { int i, j, channel; int num_of_channels; int dx, dy, clr_spc; int clrspc_type; jas_stream_t *stream; jas_image_t *image; jas_matrix_t *data; /* initialize jasper library */ /* print info */ STRING_PRINTV("jasper initializations\n"); jas_init(); /* load file and decode format */ /* print info */ STRING_PRINTV("opening file for reading\n"); stream = jas_stream_fopen(file_name, "rb"); if (stream == NULL) return 1; /* store bitmap format */ bitmap_format_jpg_file_type = jas_image_getfmt(stream); /* print info */ STRING_PRINTV("decoding jasper image\n"); image = jas_image_decode(stream, -1, NULL); jas_stream_close(stream); if (image == NULL) return 1; bitmap_width = jas_image_width(image); bitmap_height = jas_image_height(image); clrspc_type = jas_image_clrspc(image); if (clrspc_type == JAS_CLRSPC_SGRAY) { bitmap_format_jpg_clrspc_type = 8; } if (clrspc_type == JAS_CLRSPC_SRGB) { bitmap_format_jpg_clrspc_type = 24; } if (bitmap_format_jpg_clrspc_type == 8) { bitmap_format_png_clrspc_type = 0; } if (bitmap_format_jpg_clrspc_type == 24) { bitmap_format_png_clrspc_type = 2; } if (bitmap_format_jpg_clrspc_type == 8) { bitmap_format_bmp_clrspc_type = 8; } if (bitmap_format_jpg_clrspc_type == 24) { bitmap_format_bmp_clrspc_type = 24; } /* allocate memory */ /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_buffer = malloc(bitmap_width * bitmap_height * 3 * sizeof(*bitmap_buffer)); if (bitmap_buffer == 0) return 1; /* print info */ STRING_PRINTV("dimension is "); STRING_PRINTVD(bitmap_width); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(bitmap_height); STRING_PRINTV2(" pixels\n"); /* print info */ STRING_PRINTV("colors have "); STRING_PRINTVD(bitmap_format_jpg_clrspc_type); /* print info */ STRING_PRINTV2(" bit depth\n"); /* check file whether it conatins 24-bit RGB or 8-bit colors */ clr_spc = jas_clrspc_fam(clrspc_type); if ((clr_spc != JAS_CLRSPC_FAM_RGB) && (clr_spc != JAS_CLRSPC_FAM_GRAY)) return 1; if (jas_image_cmptprec(image, 0) != 8) return 1; /* create jasper matrix */ dx = bitmap_width; dy = bitmap_height; data = jas_matrix_create(dy,dx); /* read datas out of jasper object and copy it to a memory block */ /* determine number of channels: GRAY = 1, RGB = 3 */ num_of_channels = 1; if (clr_spc == JAS_CLRSPC_FAM_GRAY) { num_of_channels = 1; } if (clr_spc == JAS_CLRSPC_FAM_RGB) { num_of_channels = 3; } /* copy RGB colors to bitmap memory */ /* print info */ STRING_PRINTV("copying colors from jasper object to bitmap buffer\n"); for (channel=0; channel 7)) return 1; */ fmt = bitmap_format_jpg_file_type; /* set quality value */ if (opt_quality < 0) { opt_quality = 0; } if (opt_quality > 100){ opt_quality = 100; } if (!(opt_quality)){ if (fmt == 4) opt = "rate=0.95"; if (fmt == 5) opt = "rate=0.95"; if (fmt == 6) opt = "quality=95"; } else{ if ((fmt == 4) || (fmt == 5)){ opt = "rate=1.00\0"; for (i=0; opt[i]!='\0'; i++){ opt2[i] = opt[i]; } opt2[i] = opt[i]; if (opt_quality < 100){ opt2[5] = '0'; opt2[7] = '0' + (opt_quality / 10); opt2[8] = '0' + (opt_quality % 10); } opt = opt2; } if (fmt == 6){ opt = "quality=100\0"; for (i=0; opt[i]!='\0'; i++){ opt2[i] = opt[i]; } opt2[i] = opt[i]; if (opt_quality < 100){ opt2[10] = '\0'; opt2[8] = '0' + (opt_quality / 10); opt2[9] = '0' + (opt_quality % 10); } opt = opt2; } } /* open file for writing and encode format */ /* print info */ STRING_PRINTV("opening file for writing\n"); stream = jas_stream_fopen(file_name,"w+b"); /* print info */ STRING_PRINTV("encoding jasper image\n"); jas_image_encode(image, stream, fmt, opt); /* write file */ /* print info */ STRING_PRINTV("writing image file\n"); jas_stream_flush(stream); jas_stream_close(stream); /* free previously allocated objects */ /* print info */ STRING_PRINTV("freeing jasper object\n"); jas_image_destroy(image); jas_matrix_destroy(data); jas_image_clearfmts(); /* jas_cleanup(); */ return 0; } /* ----------------------------------------------- */ /* --------- BITMAP READ IN PNG FORMAT ----------- */ /* ----------------------------------------------- */ /* source code examples for PNG read taken from: */ /* http://www.libpng.org/pub/png/book/chapter13.html */ int BITMAP_READ_PNG(char *file_name) { FILE *fhandle; unsigned long x, y; long offs1, offs2; unsigned long rowbytes; unsigned char **row_pointers; unsigned long i; int alpha_flag; png_uint_32 res_x, res_y; int unit_type; png_uint_32 png_width, png_height; int bit_depth; png_structp png_ptr; png_infop info_ptr; unsigned char sig[8]; /* open file for reading */ /* print info */ STRING_PRINTV("opening file for reading\n"); fhandle = fopen(file_name, "rb"); if (fhandle == 0) return 1; /* check PNG signature */ if (fread(sig, 1, 8, fhandle) != 8) return 1; /* libpng version change to 1.4.0 */ /* if (!png_check_sig(sig, 8)) return 1; */ if (png_sig_cmp(sig, 0, 8)) return 1; /* print info */ STRING_PRINTV("png initializations\n"); png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); /* out of memory */ if (!png_ptr) return 1; info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) { png_destroy_read_struct(&png_ptr, NULL, NULL); return 1; } /* libpng version change to 1.4.0 */ /* if (setjmp(png_ptr->jmpbuf)) { */ if (setjmp(png_jmpbuf(png_ptr))) { png_destroy_read_struct(&png_ptr, &info_ptr, NULL); return 1; } png_init_io(png_ptr, fhandle); png_set_sig_bytes(png_ptr, 8); png_read_info(png_ptr, info_ptr); /* get image header info */ png_get_IHDR(png_ptr, info_ptr, &png_width, &png_height, &bit_depth, \ &bitmap_format_png_clrspc_type, &bitmap_format_png_interlace_type, \ &bitmap_format_png_compression_type, &bitmap_format_png_filter_type); bitmap_width = png_width; bitmap_height = png_height; /* get image resolution */ png_get_pHYs(png_ptr, info_ptr, &res_x, &res_y, &unit_type); if (unit_type == 0) { res_x = 0; res_y = 0; } xdpi = res_x; ydpi = res_y; udpi = unit_type; /* print info */ STRING_PRINTV("dimension is "); STRING_PRINTVD(bitmap_width); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(bitmap_height); STRING_PRINTV2(" pixels\n"); /* print info */ if (udpi == 1) { /* print info */ STRING_PRINTV("resolution is "); STRING_PRINTVD(xdpi); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(ydpi); /* print info */ STRING_PRINTV2(" pixels per meter\n"); } /* print info */ else { /* print info */ STRING_PRINTV2("resolution is of unknown type\n"); } /* print info */ STRING_PRINTV("colors have "); STRING_PRINTVD(bit_depth); /* print info */ STRING_PRINTV2(" bit depth\n"); /* bitmap depth must be 8 bit color, RGB or Grayscale */ if (bit_depth != 8) { png_destroy_read_struct(&png_ptr, &info_ptr, NULL); return 1; } /* check color types */ /* 0 - Gray */ /* 2 - RGB */ /* 4 - Gray + Alpha */ /* 6 - RGB + Alpha */ if (bitmap_format_png_clrspc_type != 0 && bitmap_format_png_clrspc_type != 2 && bitmap_format_png_clrspc_type != 4 && bitmap_format_png_clrspc_type != 6) { png_destroy_read_struct(&png_ptr, &info_ptr, NULL); return 1; } /* set color types */ if (bitmap_format_png_clrspc_type == 0 || bitmap_format_png_clrspc_type == 4) { bitmap_format_jpg_clrspc_type = 8; bitmap_format_bmp_clrspc_type = 8; } if (bitmap_format_png_clrspc_type == 2 || bitmap_format_png_clrspc_type == 6) { bitmap_format_jpg_clrspc_type = 24; bitmap_format_bmp_clrspc_type = 24; } /* if there is Alpha channel, then allocate bigger memory for it */ /* RGB + Alpha needs 5 times of the pixels because the bytes need to be rearranged */ alpha_flag = 0; if (bitmap_format_png_clrspc_type == 4) { alpha_flag = 1; } if (bitmap_format_png_clrspc_type == 6) { alpha_flag = 2; } if (alpha_flag){ /* print info */ STRING_PRINTV("alpha channel exists\n"); } else { /* print info */ STRING_PRINTV("no alpha channel\n"); } /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_buffer = malloc(bitmap_width * bitmap_height * (3 + alpha_flag) * sizeof (*bitmap_buffer)); if (bitmap_buffer == 0) { png_destroy_read_struct(&png_ptr, &info_ptr, NULL); return 1; } png_read_update_info(png_ptr, info_ptr); rowbytes = png_get_rowbytes(png_ptr, info_ptr); row_pointers = malloc(bitmap_height * sizeof (long)); if (row_pointers == 0) { return 1; } /* print info */ STRING_PRINTV("creating row pointers for bitmap buffer\n"); #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads) #endif for (i = 0; i < bitmap_height; i++) { row_pointers[i] = (unsigned char*) (bitmap_buffer + i*rowbytes); } /* print info */ STRING_PRINTV("reading image file and copy colors to bitmap buffer\n"); png_read_image(png_ptr, row_pointers); png_read_end(png_ptr, NULL); /* destroy png structure and free memory */ /* print info */ STRING_PRINTV("freeing png object\n"); if (png_ptr && info_ptr) { png_destroy_read_struct(&png_ptr, &info_ptr, NULL); png_ptr = NULL; info_ptr = NULL; } /* if it's Grayscale, then we pack the gray bytes to same RGB bytes */ /* because the aaRGB function expects RGB bytes */ /* if it's RGB picture with Alpha channel, then we pack the */ /* RGB bytes to the begining of the allocated memory */ /* and the Alpha bytes to the end */ /* so it will be compatible in case of JPG output too */ /* only the alpha channel will be lost */ /* cause JPG does not support alpha */ /* print info */ STRING_PRINTV("converting colors to different format\n"); /* Gray */ if (bitmap_format_png_clrspc_type == 0){ /* copy Gray bytes to be RGB bytes */ offs1 = bitmap_width * bitmap_height * 1 - 1; offs2 = bitmap_width * bitmap_height * 3 - 3; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2 + 0] = bitmap_buffer[offs1]; bitmap_buffer[offs2 + 1] = bitmap_buffer[offs1]; bitmap_buffer[offs2 + 2] = bitmap_buffer[offs1]; offs1--; offs2 = offs2 - 3; } } } /* RGB */ if (bitmap_format_png_clrspc_type == 2){ /* do nothing */ } /* Gray + Alpha */ if (bitmap_format_png_clrspc_type == 4){ /* move Alpha bytes to the end */ offs1 = bitmap_width * bitmap_height * 2 - 1; offs2 = bitmap_width * bitmap_height * 4 - 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1 = offs1 - 2; offs2--; } } /* copy Gray bytes to be RGB bytes */ offs1 = bitmap_width * bitmap_height * 2 - 2; offs2 = offs2 - 2; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2 + 0] = bitmap_buffer[offs1]; bitmap_buffer[offs2 + 1] = bitmap_buffer[offs1]; bitmap_buffer[offs2 + 2] = bitmap_buffer[offs1]; offs1 = offs1 - 2; offs2 = offs2 - 3; } } } /* RGB + Alpha */ if (bitmap_format_png_clrspc_type == 6){ /* move Alpha bytes to the 5. endpart */ offs1 = bitmap_width * bitmap_height * 4 - 1; offs2 = bitmap_width * bitmap_height * 5 - 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1 = offs1 - 4; offs2--; } } /* transfer RGBA bytes into RGB bytes */ offs1 = 0; offs2 = 0; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2 + 0] = bitmap_buffer[offs1 + 0]; bitmap_buffer[offs2 + 1] = bitmap_buffer[offs1 + 1]; bitmap_buffer[offs2 + 2] = bitmap_buffer[offs1 + 2]; offs1 = offs1 + 4; offs2 = offs2 + 3; } } /* move Alpha bytes back to the 4. part */ offs1 = bitmap_width * bitmap_height * 5 - 1; offs2 = bitmap_width * bitmap_height * 4 - 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1--; offs2--; } } } free (row_pointers); return 0; } /* ------------------------------------------------ */ /* --------- BITMAP WRITE IN PNG FORMAT ----------- */ /* ------------------------------------------------ */ /* source code examples for PNG write taken from: */ /* http://www.libpng.org/pub/png/book/chapter15.html */ int BITMAP_WRITE_PNG(char *file_name) { unsigned long rowbytes; unsigned long i; unsigned char **row_pointers; FILE *fhandle; png_structp png_ptr; png_infop info_ptr; unsigned long x, y; long offs1, offs2; long col; /* repack the Gray and RGB bytes with the Alpha bytes */ /* print info */ STRING_PRINTV("converting colors to different format\n"); /* Gray */ if (bitmap_format_png_clrspc_type == 0){ /* copy RGB bytes back as Gray bytes */ offs1 = 0; offs2 = 0; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ col = 0; col += bitmap_buffer[offs2 + 0]; col += bitmap_buffer[offs2 + 1]; col += bitmap_buffer[offs2 + 2]; col /= 3; bitmap_buffer[offs1] = col; offs1++; offs2 = offs2 + 3; } } } /* RGB */ if (bitmap_format_png_clrspc_type == 2){ /* do nothing */ } /* Gray + Alpha */ if (bitmap_format_png_clrspc_type == 4){ /* copy RGB bytes back as Gray bytes */ offs1 = 0; offs2 = 0; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ col = 0; col += bitmap_buffer[offs2 + 0]; col += bitmap_buffer[offs2 + 1]; col += bitmap_buffer[offs2 + 2]; col /= 3; bitmap_buffer[offs1] = col; offs1 = offs1 + 2; offs2 = offs2 + 3; } } /* copy Alpha bytes back */ offs1 = bitmap_width * bitmap_height * 3 + 0; offs2 = 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1++; offs2 = offs2 + 2; } } } /* RGB + Alpha */ if (bitmap_format_png_clrspc_type == 6){ /* move Alpha bytes back from the 4. to the 5. endpart */ offs1 = bitmap_width * bitmap_height * 4 - 1; offs2 = bitmap_width * bitmap_height * 5 - 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1--; offs2--; } } /* transfer RGB bytes into RGBA bytes */ offs1 = bitmap_width * bitmap_height * 3 - 3; offs2 = bitmap_width * bitmap_height * 4 - 4; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2 + 2] = bitmap_buffer[offs1 + 2]; bitmap_buffer[offs2 + 1] = bitmap_buffer[offs1 + 1]; bitmap_buffer[offs2 + 0] = bitmap_buffer[offs1 + 0]; offs1 = offs1 - 3; offs2 = offs2 - 4; } } /* move Alpha bytes back from the 5. endpart to RGBA */ offs1 = bitmap_width * bitmap_height * 5 - 1; offs2 = bitmap_width * bitmap_height * 4 - 1; for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ bitmap_buffer[offs2] = bitmap_buffer[offs1]; offs1--; offs2 = offs2 - 4; } } } /* print info */ STRING_PRINTV("png initializations\n"); png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); /* out of memory */ if (!png_ptr) return 1; info_ptr = png_create_info_struct(png_ptr); if (!info_ptr) { png_destroy_write_struct(&png_ptr, NULL); return 1; } /* libpng version change to 1.4.0 */ /* if (setjmp(png_ptr->jmpbuf)) { */ if (setjmp(png_jmpbuf(png_ptr))) { png_destroy_write_struct(&png_ptr, &info_ptr); return 1; } /* open file for writing */ /* print info */ STRING_PRINTV("opening file for writing\n"); fhandle = fopen(file_name, "wb"); if (fhandle == 0) return 1; png_init_io(png_ptr, fhandle); /* png_set_compression_level(png_ptr, Z_BEST_COMPRESSION);*/ /* set the compression level manually */ png_set_compression_level(png_ptr, 5); /* set image header */ png_set_IHDR(png_ptr, info_ptr, bitmap_width, bitmap_height, /* 8, bitmap_format_png_clrspc_type, bitmap_format_png_interlace_type, */ /* bitmap_format_png_compression_type, bitmap_format_png_filter_type); */ 8, bitmap_format_png_clrspc_type, PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); /* set image resolution */ png_set_pHYs(png_ptr, info_ptr, xdpi, ydpi, udpi); png_write_info(png_ptr, info_ptr); /* png_set_packing(png_ptr); */ png_read_update_info(png_ptr, info_ptr); rowbytes = png_get_rowbytes(png_ptr, info_ptr); row_pointers = malloc(bitmap_height * sizeof (long)); if (row_pointers == 0) { return 1; } /* print info */ STRING_PRINTV("creating row pointers for bitmap buffer\n"); #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads) #endif for (i = 0; i < bitmap_height; i++) { row_pointers[i] = (unsigned char*) (bitmap_buffer + i*rowbytes); } /* print info */ STRING_PRINTV("copying colors from bitmap buffer and write image file\n"); png_write_image(png_ptr, row_pointers); png_write_end(png_ptr, NULL); /* print info */ STRING_PRINTV("freeing png object\n"); if (png_ptr && info_ptr) png_destroy_write_struct(&png_ptr, &info_ptr); free (row_pointers); return 0; } /* ------------------------------------------------ */ /* --------- BITMAP READ IN JPEG FORMAT ----------- */ /* ------------------------------------------------ */ /* source code examples for reading JPEG taken from libjpeg's example.c */ int BITMAP_READ_JPEG(char *file_name) { struct jpeg_decompress_struct cinfo; struct jpeg_error_mgr jerr; FILE *infile; JSAMPARRAY buffer; int row_stride; EXIF_GET(file_name); /* print info */ STRING_PRINTV("jpeg initializations\n"); /* print info */ STRING_PRINTV("opening file for reading\n"); if ((infile = fopen(file_name, "rb")) == NULL) { return 1; } cinfo.err = jpeg_std_error(&jerr); jpeg_create_decompress(&cinfo); jpeg_stdio_src(&cinfo, infile); (void) jpeg_read_header(&cinfo, TRUE); /* print info */ STRING_PRINTV("decoding jpeg image\n"); (void) jpeg_start_decompress(&cinfo); row_stride = cinfo.output_width * cinfo.output_components; buffer = (*cinfo.mem->alloc_sarray) ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1); /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_width = cinfo.output_width; bitmap_height = cinfo.output_height; bitmap_buffer = malloc(bitmap_width * bitmap_height * 3 * sizeof (*bitmap_buffer)); if (bitmap_buffer == 0) return 1; xdpi = cinfo.X_density; ydpi = cinfo.Y_density; udpi = 0; /* unit = 0, no units */ /* unit = 1, unit is pixels per inch */ /* unit = 2, unit is pixels per centimetre */ /* convert the unit to meter, cause BMP and PNG stores it as meter too with unit being 1 */ if (cinfo.density_unit == 1){ xdpi = xdpi * 1000 / 25.4; ydpi = ydpi * 1000 / 25.4; udpi = 1; } if (cinfo.density_unit == 2){ xdpi = xdpi * 100; ydpi = ydpi * 100; udpi = 1; } /* determine colorspace type */ if (cinfo.output_components == 1) { bitmap_format_jpg_clrspc_type = 8; } if (cinfo.output_components == 3) { bitmap_format_jpg_clrspc_type = 24; } if (bitmap_format_jpg_clrspc_type == 8) { bitmap_format_png_clrspc_type = 0; } if (bitmap_format_jpg_clrspc_type == 24) { bitmap_format_png_clrspc_type = 2; } if (bitmap_format_jpg_clrspc_type == 8) { bitmap_format_bmp_clrspc_type = 8; } if (bitmap_format_jpg_clrspc_type == 24) { bitmap_format_bmp_clrspc_type = 24; } /* print info */ STRING_PRINTV("dimension is "); STRING_PRINTVD(bitmap_width); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(bitmap_height); STRING_PRINTV2(" pixels\n"); /* print info */ STRING_PRINTV("resolution is "); STRING_PRINTVD(xdpi); /* print info */ STRING_PRINTV2(" x "); STRING_PRINTVD(ydpi); /* print info */ if (udpi == 1) { STRING_PRINTV2(" pixels per meter\n"); } /* print info */ else { STRING_PRINTV2(" with unknown type\n"); } /* print info */ STRING_PRINTV("colors have "); STRING_PRINTVD(bitmap_format_jpg_clrspc_type); /* print info */ STRING_PRINTV2(" bit depth\n"); /* print info */ STRING_PRINTV("copying colors from jpeg object to bitmap buffer\n"); while (cinfo.output_scanline < cinfo.output_height) { unsigned int i; (void) jpeg_read_scanlines(&cinfo, buffer, 1); /* put_scanline_someplace(buffer[0], row_stride); */ if (cinfo.output_components == 3){ #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads) #endif for (i=0; i 5){ xnew += 5; } if ((ynew % 10) > 5){ ynew += 5; } xnew /= 10; ynew /= 10; cinfo.X_density = xnew; cinfo.Y_density = ynew; cinfo.density_unit = 1; } /* set default quality to 95 if unset */ if (opt_quality < 0) { opt_quality = 0; } if (opt_quality > 100){ opt_quality = 100; } if (!(opt_quality)) { opt_quality = 95; } jpeg_set_quality(&cinfo, opt_quality, TRUE); /* print info */ STRING_PRINTV("encoding jpeg image\n"); jpeg_start_compress(&cinfo, TRUE); row_stride = bitmap_width * cinfo.input_components; /* if image is 1 component Gray, then copy RGB bytes back as Gray bytes */ if (cinfo.input_components == 1){ int offs1 = 0; int offs2 = 0; unsigned int col, x, y; /* this cycle cannot be paralleled because of writing back to the same memory */ for (y=0; y < bitmap_height; y++){ for (x=0; x < bitmap_width; x++){ col = 0; col += bitmap_buffer[offs2 + 0]; col += bitmap_buffer[offs2 + 1]; col += bitmap_buffer[offs2 + 2]; col /= 3; bitmap_buffer[offs1] = col; offs1++; offs2 += 3; } } } /* print info */ STRING_PRINTV("copying colors from bitmap buffer to jpeg object\n"); while (cinfo.next_scanline < cinfo.image_height) { row_pointer[0] = &bitmap_buffer[cinfo.next_scanline * row_stride]; (void) jpeg_write_scanlines(&cinfo, row_pointer, 1); } /* print info */ STRING_PRINTV("freeing jpeg object\n"); jpeg_finish_compress(&cinfo); fclose(outfile); jpeg_destroy_compress(&cinfo); /* correct the end of exif data in file and free exif buffer if there was any */ EXIF_CORRECT(file_name); EXIF_CLEAR(); return 0; } #endif /* --------------------------------------- */ /* ----------- BITMAP LOAD --------------- */ /* --------------------------------------- */ /* load image and unpack it into memory (memory will be allocated) */ int BITMAP_LOAD(char *file_name) { FILE *fhandle; /* clear exif flag at new file */ exif_flag = 0; /* does file exist? */ fhandle = fopen(file_name, "rb"); if (fhandle == 0) { return 2; } fclose(fhandle); /* print info */ STRING_PRINTV("file exists\n"); /* if it's a BMP format, then load BMP with custom procedure (and not jasper) */ if (GET_FILE_FORMAT(file_name) == 2){ if (BITMAP_READ_BMP(file_name)) return 1; } else{ #ifdef __BMP_ONLY__ STRING_PRINT("\n"); STRING_PRINTE("BMP_ONLY version. Only BMP format is supported here.n"); return 1; #endif #ifndef __BMP_ONLY__ /* if it's a PNG format, then load that one */ if (GET_FILE_FORMAT(file_name) == 8){ if (BITMAP_READ_PNG(file_name)) return 1; return 0; } /* if it's a JPEG, then save exif info and load image with libjpeg (and not libjasper) */ if (GET_FILE_FORMAT(file_name) == 6){ if (BITMAP_READ_JPEG(file_name)) return 1; return 0; } /* in every other case, load jasper format */ /* because anyway there are no other supported formats */ /* and jasper will signal if it's not one of its supported ones */ if (BITMAP_READ_JASPER(file_name)) return 1; return 0; #endif } return 0; } /* --------------------------------------- */ /* ----------- BITMAP SAVE --------------- */ /* --------------------------------------- */ /* pack the image file and save it from memory (memory will be freed) */ int BITMAP_SAVE(char *file_name) { /* if the format is not JPEG, then clear exif info (memory is freed) */ if (GET_FILE_FORMAT(file_name) != 6){ EXIF_CLEAR(); } /* if it's a BMP format, then save BMP with custom procedure (and not with jasper) */ if (GET_FILE_FORMAT(file_name) == 2){ if (BITMAP_WRITE_BMP(file_name)) { free(bitmap_buffer); return 1; } /* free memory on success */ /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 0; } else{ #ifdef __BMP_ONLY__ STRING_PRINT("\n"); STRING_PRINTE("BMP_ONLY version. Only BMP format is supported here.n"); /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 1; #endif #ifndef __BMP_ONLY__ /* if it's a PNG, then save PNG */ if (GET_FILE_FORMAT(file_name) == 8){ if (BITMAP_WRITE_PNG(file_name)) { /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 1; } /* free memory on success */ /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 0; } /* if it's a JPEG, then save it */ if (GET_FILE_FORMAT(file_name) == 6){ if (BITMAP_WRITE_JPEG(file_name)) { /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 1; } /* free memory on success */ /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 0; } /* in every other case, save jasper format */ /* because anyway there are no other supported formats */ /* and jasper will signal if it's not one of its supported ones */ if (BITMAP_WRITE_JASPER(file_name)) { /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 1; } /* free memory on success */ /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(bitmap_buffer); return 0; #endif } } aaphoto-0.43.1/aaphoto.c000066400000000000000000001220041227271207500150350ustar00rootroot00000000000000/*----------------------------------------------------------------------- This file is part of aaphoto. aaphoto is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. aaphoto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . ------------------------------------------------------------------------*/ /* #define __BMP_ONLY__ */ /* #define __OPENMP__ */ /* --------------------------------------------------- */ /* ----------- Auto Adjust Photo --------------------- */ /* ----------- András Horváth (C) 2006-2013 ---------- */ /* ----------- Hungary, http://log69.com ------------- */ /* --------------------------------------------------- */ /* aaphoto Changelog: -------------------- 2013/09/30 - aaphoto v0.43 - new aaRGB v0.65 version update (see aaRGB changelog) 2012/02/20 - aaphoto v0.42 - tiny fix to set PNG compression manually and make it compatible with new version of libpng 2011/01/26 - aaphoto v0.41 - new aaRGB v0.64 version update (see aaRGB changelog) - add -- switch to mark the end of option list for posix compatibility - fix some warnings given by -Wextra compile option 2010/12/18 - aaphoto v0.40 - new aaRGB v0.63 version update - fix some warning messages during build - some changes in documentation - error message when --verbose switch is used with no other ones to avoid misunderstanding that other switches are still needed (aaphoto -V file) 2010/09/14 - aaphoto v0.39 - new aaRGB v0.62 version update - bugfix: an ugly misconception in my paralleled code caused weird behavior when using more threads - bugfix: BMP image writer function didn't zero out the BMP align bytes in file buffer therefore the same output differed in some cases - bugfix: PNG image reader function stored the unreliable values of pixel resolution when the type was unknown - rewrite the code to suffice the ISO C90 ANSI standard C form (GCC -pedantic option) - new windows platform patch of libjasper for static build to replace mkstemp() function call because it is not yet supported under MinGW - some changes in documentation - new default LDFLAG -lgomp for OpenMP - update all build scripts for Debian 6 platform 2010/07/18 - aaphoto v0.38 - add verbose message showing presence of alpha channel in PNG images - bugfix: fix compile with only BMP support - fix some warning messages during build - remove unnecessary __WIN32__ macro 2010/05/10 - aaphoto v0.37 - add OpenMP support for multi processing, all possible time intensive codes paralleled __OPENMP__ directive and -fopenmp option are needed at compile time (supported since GCC v4.2) (not available on windows platform yet) - new -t, --threads switch added to manually set the number of working threads - new aaRGB v0.61 version update - bugfix: exif info was left out after last version's change in JPEG handling - improve exif handling and verbose messages - refine additional verbose messages - remove pgx file type support because it is outdated - some changes in documentation - some minor code cleanup and bugfixes 2010/03/16 - aaphoto v0.36 - bugfix: fix for tmpfile() patches of libjasper and libjpeg (windows platform only) when running more than one instances of aaphoto at a time they all used the same temporary files and therefore the images became corrupt - bugfix: it doesn't ask for administrative privileges anymore while running in an admin account under vista and windows 7 (windows platform only) - bugfix: the --rotate180 switch didn't turn the middle line in images with odd heights - rewrite JPEG format handling entirely to be able to handle extra parameters in this format separately, now libjpeg is used directly instead of libjasper for reading / writing JPEG images so libjpeg is a new dependency from now, formerly only libjasper was depended on it - restore original DPI values of images in BMP, JPEG and PNG formats during conversion - refine program messages - print the time elapsed in seconds since program start in verbose mode if not zero - print extra infos of bitmap dimension, resolution and color depth in verbose mode 2010/02/25 - aaphoto v0.35 - bugfix: possible buffer overflows fixed 2010/02/19 - aaphoto v0.34 - __UNIX__ macro removed from Makefile, not needed anymore - bugfix: static binary update with patches of libjasper and libjpeg 1) sleep() function missing on mingw32 platform 2) bad implementation of tmpfile() function on windows platform it tries to create temporary files in the root of current directory instead of the system temporary path so that causes failure for unprivileged users who don't have permissions to write there - update: changes in new version of libpng 1.4.0, aaio.c updated as necessary png_check_sig() function replaced with png_sig_cmp() setjmp(png_ptr->jmpbuf) has been deprecated, changed to setjmp(png_jmpbuf(png_ptr)) see more at http://www.libpng.org/pub/png/src/libpng-1.2.x-to-1.4.x-summary.txt 2010/01/10 - aaphoto v0.33 - some changes in documentation - bugfix: unfreed space caused memory leak - bugfix: uninitialized variable caused --resize to misbehave - fix: change of return values in procedures to reflect standard exit codes now it has a sense to run something like "aaphoto image.jpg && echo OK" formerly return codes meant opposite - fix a warning message during compile time, an include was missing - boundary check of fixed size arrays added for safety reasons - the --speed switch removed, it made the code less platform independent and was fussy anyway - error messages printed to stderr instead of stdout from now - more verbose error messages on failure of image load 2009/10/18 - aaphoto v0.32 - new aaRGB v0.60 version update - new --noexif switch added to save new image without exif info - new --bmp switch added for BMP format output - new -o, --output switch added for alternate directory output 2009/08/23 - aaphoto v0.31 - bugfix: __BMP_ONLY__ directive is fixed in source code - bugfix: writing of BMP images could result in corrupt BMP structure - code cleanup in BMP write function - parameters of switches also work with spaces between them - new aaRGB v0.59 version update 2009/02/22 - aaphoto v0.30 - implement PNG format (RGB and Gray images read / write with alpha channel support) - bugfix: reading corrupt exif info in JPEG files could get into an infinite loop - bugfix: length of exif info was determined wrongly - rework of the parameters and switches parsing part - lots of code cleanup - most of the comments in code translated to english - print messages get flushed out with fflush now during process - the --info switch removed - the -o switch removed for safety reasons, --overwrite still available - the -h switch added for unix compatibility - the -j1 and -j2 switch removed, --jpg and --jp2 still available - the --png switch is now new for PNG output - the -s switch changed from --speed to --silent for compatibility - the --mute switch changed to -s, --silent and --quiet for unix / posix compatibility - the -V, --verbose switch is now new for more detailed output during image process - the --test switch now turns the --autoadjust switch on by default - the -d, --description and -l, --license switches removed - thanks to Rezső Páder (rezso.net) for the suggestions for the option switches - new aaRGB v0.58 version update 2008/02/02 - aaphoto v0.29 - bugfix: color space variable was not defined during the load of BMP format - bugfix: BMP format handling fixed for JPEG conversion - grayscale images can also be used as an input - increase file name buffer for processing files in folders - Exif meta data information is now restored during conversion in JPEG images 2007/08/11 - aaphoto v0.28 - new aaRGB v0.57 version update - bugfix: remove extra slashes from the end of folders 2007/07/04 - aaphoto v0.27 - new aaRGB v0.56 version update v0.56 with "Apply only on selection" function 2007/05/26 - aaphoto v0.26 - bugfix: Win32 version crashed during JPEG-2000 conversion 2007/05/19 - aaphoto v0.25 - expand functions: rotate 90, 180, 270, flip x, flip y 2007/05/01 - aaphoto v0.24 - improve timing values - input parameter can be folders beside files too - bitmap info parameter now works with bmp too - simplify parameter input: no --autoadjust parameter needed from now, default is on 2007/04/03 - aaphoto v0.23 - new aaRGB v0.55 version update 2007/04/01 - aaphoto v0.22 - new aaRGB v0.54 version update 2007/03/30 - aaphoto v0.21 - create bmp_only macro in source code for other platforms - bug fixes 2007/03/29 - aaphoto v0.20 - new aaRGB v0.53 version update 2007/02/25 - aaphoto v0.19 - extra information output within image for testing purposes 2007/02/22 - aaphoto v0.18 - custom code for BMP input/output 2007/01/24 - aaphoto v0.17 - implement JasPer encoder for further image formats 2007/01/04 - aaphoto v0.16 - stable working command-line version for linux environment with BMP format support aaphoto end of Changelog. */ /* global constants and variables */ #define max_char 1024 #define max_file_name_buffer 4096 * 1024 int file_counter; char *file_name; unsigned char *file_name_buffer; long file_name_counter; long file_name_buffer_pointer; unsigned char *bitmap_buffer; unsigned long bitmap_width; unsigned long bitmap_height; double xdpi; double ydpi; int udpi; int bitmap_format_bmp_clrspc_type; int bitmap_format_jpg_clrspc_type; int bitmap_format_jpg_file_type; int bitmap_format_png_clrspc_type; int bitmap_format_png_interlace_type; int bitmap_format_png_compression_type; int bitmap_format_png_filter_type; char *exif_buffer; long exif_buffer_length; long exif_file_length; int exif_flag; int opt_help; int opt_version; int opt_autoadjust; int opt_overwrite; int opt_jpg; int opt_jp2; int opt_png; int opt_bmp; int opt_resize; int opt_resize_percent; int opt_rotate90; int opt_rotate180; int opt_rotate270; int opt_flipx; int opt_flipy; int opt_output; char opt_output_path [max_char]; int opt_quality; int opt_threads; int opt_verbose; int opt_recursive; int opt_quiet; int opt_test; int opt_noexif; int opt_doubledash; int char_temp_x; int char_temp_y; int mytime; /* OpenMP */ int max_cpus; int max_threads; int max_num_threads; int opt_openmp; #ifdef __OPENMP__ #include #endif /* file name separation character */ char slsh='/'; #ifndef __BMP_ONLY__ #include #include #include #endif #include #include #include #include #include /*#include */ #include "aaio.c" #include "aargb.c" #include "aaresize.c" void PRINT_VERSION(void){ STRING_PRINT("Auto Adjust Photo\n"); STRING_PRINT("Copyright (C) 2006-2013 Andras Horvath\n"); STRING_PRINT("E-mail: mail@log69.com - suggestions & feedbacks are welcome\n"); STRING_PRINT("URL: http://log69.com - the official site\n"); STRING_PRINT("aaphoto (command-line) version - v0.43\n"); STRING_PRINT("aaRGB (color-correction engine) version - v0.65\n"); STRING_PRINT("last update = 26/09/2013\n"); STRING_PRINT("\n"); #ifndef __BMP_ONLY__ STRING_PRINT("The following libraries are used by this program:\n"); #ifdef __OPENMP__ STRING_PRINT("libgomp - OpenMP for parallel programming, http://gcc.gnu.org/onlinedocs/libgomp/\n"); #endif STRING_PRINT("libjasper - JasPer software, http://www.ece.uvic.ca/~mdadams/jasper/\n"); STRING_PRINT("libjpeg - IJG JPEG software, http://www.ijg.org/\n"); STRING_PRINT("libpng - PNG software, http://www.libpng.org/\n"); STRING_PRINT("libz - Compression library, http://www.zlib.net/\n"); #endif #ifdef __BMP_ONLY__ #ifdef __OPENMP__ STRING_PRINT("The following libraries are used by this program:\n"); STRING_PRINT("libgomp - OpenMP for parallel programming, http://gcc.gnu.org/onlinedocs/libgomp/\n"); STRING_PRINT("\n"); #endif STRING_PRINT("BMP_ONLY version. Only BMP format is supported here.\n"); #endif STRING_PRINT("\n"); } void PRINT_DESCRIPTION(void){ STRING_PRINT("[DESCRIPTION]\n"); STRING_PRINT("Auto Adjust Photo is a tiny command-line image manipulation tool "); STRING_PRINT("for automatic color correction of photos. "); STRING_PRINT("It tries to make the picture look better. "); STRING_PRINT("The program does this by analyzing the input image and then sets the "); STRING_PRINT("most optimal contrast, gamma, color balance and saturation for it.\n"); STRING_PRINT("\n"); } void PRINT_LICENSE(void){ STRING_PRINT("[LICENSE]\n"); STRING_PRINT("This program is free software; you can redistribute it and/or modify "); STRING_PRINT("it under the terms of the GNU General Public License as published by "); STRING_PRINT("the Free Software Foundation; either version 3 of the License, or "); STRING_PRINT("(at your option) any later version.\n"); STRING_PRINT("\n"); STRING_PRINT("This program is distributed in the hope that it will be useful, "); STRING_PRINT("but WITHOUT ANY WARRANTY; without even the implied warranty of "); STRING_PRINT("MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the "); STRING_PRINT("GNU General Public License for more details.\n"); STRING_PRINT("\n"); STRING_PRINT("You should have received a copy of the GNU General Public License "); STRING_PRINT("along with this program. If not, see .\n"); STRING_PRINT("\n"); } void PRINT_HELP(void){ STRING_PRINT("[HELP]\n"); STRING_PRINT("USAGE: aaphoto [options] [source files]\n"); STRING_PRINT("\n"); STRING_PRINT("The following image types are supported (thanks to JasPer, JPEG and PNG):\n"); STRING_PRINT("mif, pnm / pgm / ppm, bmp, ras, jp2, jpc, jpg, png\n"); STRING_PRINT("\n"); STRING_PRINT("Quality settings can be applied only to jp2, jpc, jpg formats\n"); STRING_PRINT("\n"); STRING_PRINT("The following options are supported:\n"); STRING_PRINT(" -h --help Print this help\n"); STRING_PRINT(" -v --version Print version information\n"); STRING_PRINT(" -a --autoadjust Auto adjust the colors of the image\n"); STRING_PRINT(" -o --output Set output directory\n"); STRING_PRINT(" --overwrite Overwrite mode, the original source file is replaced\n"); STRING_PRINT(" --jpg JPEG image output\n"); STRING_PRINT(" --jp2 JPEG 2000 image output\n"); STRING_PRINT(" --png PNG image output with alpha channel support\n"); STRING_PRINT(" --bmp BMP image output\n"); STRING_PRINT(" -r --resize Resize image taking the longer side in % or pixels\n"); STRING_PRINT(" --rotate90 Rotate image with 90 degrees clockwise\n"); STRING_PRINT(" --rotate180 Rotate image with 180 degrees\n"); STRING_PRINT(" --rotate270 Rotate image with 90 degrees counter-clockwise\n"); STRING_PRINT(" --flipx Mirror image horizontally\n"); STRING_PRINT(" --flipy Mirror image vertically\n"); STRING_PRINT(" --noexif Save image without EXIF info\n"); STRING_PRINT(" -q --quality Set image quality from 1 to 100\n"); STRING_PRINT(" -t --threads Set number of working threads (default: autodetect)\n"); STRING_PRINT(" -s --silent Silent mode, no information printed during operation\n"); STRING_PRINT(" --quiet ...same as above\n"); STRING_PRINT(" -V --verbose Print verbose information about processing\n"); /* STRING_PRINT(" -R --recursive Recursive directory search\n"); */ STRING_PRINT(" --test Print detailed test information into image\n"); STRING_PRINT("\n"); STRING_PRINT("EXAMPLES:\n"); STRING_PRINT(" aaphoto image.jpg\n"); STRING_PRINT(" aaphoto -a -r600 -q85 *.jpg\n"); STRING_PRINT(" aaphoto mydir\n"); STRING_PRINT(" aaphoto -V --resize70% image.png\n"); STRING_PRINT(" aaphoto --quality60 image.jp2\n"); STRING_PRINT("\n"); STRING_PRINT("REMARKS:\n"); STRING_PRINT("- auto adjust parameter is set by default without any other parameters\n"); STRING_PRINT("- _new file name will be generated without --overwrite parameter\n"); STRING_PRINT("- every file is processed on directory input but not recursively\n"); STRING_PRINT("- order of parameters does not matter\n"); STRING_PRINT("- resize value can be set in percentage too\n"); STRING_PRINT("- resize parameter should be less or equal than original\n"); STRING_PRINT("- resize uses the best (and slowest) resampling method\n"); STRING_PRINT("- default jpeg compression quality is 95%\n"); STRING_PRINT("- EXIF information is restored in jpeg images by default\n"); STRING_PRINT("- number of threads is set to the number of online processors by default\n"); STRING_PRINT("\n"); } int MAIN_RESIZE(void) { /* if there is an Alpha channel beside the RGB too (clrspc_type says) */ /* then i use the alpha flag to notify the resize function */ int alpha_flag = 0; if ((bitmap_format_png_clrspc_type == 4) || (bitmap_format_png_clrspc_type == 6)){ alpha_flag = 1; } if (opt_resize){ unsigned long opr = opt_resize; /* calculate resize in percentage */ if (opt_resize_percent){ if (bitmap_width > bitmap_height) { opr = bitmap_width * opr / 100; } else { opr = bitmap_height * opr / 100; } } /* if the new size is bigger or equal than the original size, then no process is done */ if (!((opr > bitmap_width) && (opr > bitmap_height))){ unsigned long new_width, new_height; if (bitmap_width > bitmap_height){ new_width = opr; new_height = bitmap_height * opr / bitmap_width; } else{ new_width = bitmap_width * opr / bitmap_height; new_height = opr; } if (new_width < 1) new_width = 1; if (new_height < 1) new_height = 1; if (RESIZE(&bitmap_buffer, &bitmap_width, &bitmap_height, new_width, new_height, alpha_flag)){ STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } /* else { */ /* STRING_PRINT("\n"); STRING_PRINTE("error: resize parameter too big, " */ /* "target size should be less or equal than original\n"); return 1; } */ } /* Rotate and Flip calls */ if (opt_rotate90) { if (ROTATE90(&bitmap_buffer, &bitmap_width, &bitmap_height, alpha_flag)) { STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } if (opt_rotate180) { if (ROTATE180(&bitmap_buffer, &bitmap_width, &bitmap_height, alpha_flag)) { STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } if (opt_rotate270) { if (ROTATE270(&bitmap_buffer, &bitmap_width, &bitmap_height, alpha_flag)) { STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } if (opt_flipx) { if (FLIPX(&bitmap_buffer, &bitmap_width, &bitmap_height, alpha_flag)) { STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } if (opt_flipy) { if (FLIPY(&bitmap_buffer, &bitmap_width, &bitmap_height, alpha_flag)) { STRING_PRINT("\n"); STRING_PRINTE("error: memory allocation error\n"); return 1; } } return 0; } void MAIN_AARGB(void) { /* AARGB_NORMAL(bitmap_buffer, bitmap_width, bitmap_height); */ AARGB_MAIN(bitmap_buffer, bitmap_width, bitmap_height, 0, 0, bitmap_width-1, bitmap_height-1, 0, 0, opt_test); } int MAIN_RUN(char *file_name) { int result, res; char file_name_new [max_char]; /* store the unix time here in seconds */ mytime = time(NULL); /* print info */ STRING_PRINTV("verbose mode on\n"); /* print info */ STRING_PRINTV("available processors "); /* print info */ STRING_PRINTVD(max_cpus); /* print info */ STRING_PRINTV2("\n"); if (opt_openmp){ /* print info */ STRING_PRINTV("requested threads "); /* print info */ STRING_PRINTVD(max_threads); /* print info */ STRING_PRINTV2("\n"); } else{ /* print info */ STRING_PRINTV("no multi processing support\n"); } /* print info */ if (!(opt_verbose)) STRING_PRINT(file_name); /* print info */ /* STRING_PRINTV(file_name); STRING_PRINTV2("\n"); */ /* print info */ STRING_PRINTV(file_name); if (opt_verbose) STRING_PRINT("\n"); /* print info */ STRING_PRINTV("loading\n"); /* try to load image */ result = 0; result = BITMAP_LOAD(file_name); switch (result) { case 2: STRING_PRINT("\n"); STRING_PRINTE("error: file "); STRING_PRINTE(file_name); STRING_PRINTE(" does not exist\n"); return 1; break; case 1: STRING_PRINT("\n"); STRING_PRINTE("error: file "); STRING_PRINTE(file_name); STRING_PRINTE(" cannot be loaded\n"); return 1; break; } /* determine new file name */ res = GET_FILE_NAME_NEW(file_name, file_name_new); if (res > 0){ if (res == 1){ /* error code 1 for existing file name */ STRING_PRINT("\n"); STRING_PRINTE("error: file already exists with the new name "); STRING_PRINTE(file_name_new); STRING_PRINTE("\n"); return 1; } else { /* error code 255 for array boundary error */ STRING_PRINT("\n"); STRING_PRINTE("error: file name error at file "); STRING_PRINTE(file_name); STRING_PRINTE("\n"); return 1; } } /* print info */ if (!(opt_verbose)) STRING_PRINT(" ."); if (opt_autoadjust){ /* print info */ STRING_PRINTV("auto adjusting colors\n"); MAIN_AARGB(); } /* print info */ if (!(opt_verbose)) STRING_PRINT(" ."); if ((opt_resize) || (opt_rotate90) || (opt_rotate180) || (opt_rotate270) || (opt_flipx) || (opt_flipy)) { if (MAIN_RESIZE()) return 1; } /* print info */ if (!(opt_verbose)) STRING_PRINT(" ."); /* print info */ STRING_PRINTV("saving\n"); if (BITMAP_SAVE(file_name_new)){ STRING_PRINT("\n"); STRING_PRINTE("error: file "); STRING_PRINTE(file_name); STRING_PRINTE(" cannot be saved\n"); return 1; } /* print info */ if (!(opt_verbose)) STRING_PRINT(" done\n"); /* print info */ STRING_PRINTV("done\n"); return 0; } int MAIN_ARGUMENTS_READ(int argc, char **argv) { int result, opt_wrong, opt_wrong_total, opt_counter; int opt_quality_space_flag; int opt_threads_space_flag; int opt_resize_space_flag; int opt_output_space_flag; opt_help = 0; opt_version = 0; opt_autoadjust = 0; opt_overwrite = 0; opt_noexif = 0; opt_jpg = 0; opt_jp2 = 0; opt_png = 0; opt_bmp = 0; opt_resize = 0; opt_rotate90 = 0; opt_rotate180 = 0; opt_rotate270 = 0; opt_flipx = 0; opt_flipy = 0; opt_resize_percent = 0; opt_output = 0; opt_quality = 0; opt_threads = 0; opt_verbose = 0; opt_recursive = 0; opt_quiet = 0; opt_test = 0; opt_doubledash = 0; result = 0; /* store the result value of the MAIN_RUN function */ opt_wrong = 1; opt_wrong_total = 0; opt_counter = 0; opt_quality_space_flag = 0; opt_threads_space_flag = 0; opt_resize_space_flag = 0; opt_output_space_flag = 0; if (argc >= 2) { char *myarg; argc--; while (argc--){ /*printf("%s\n", *argv); */ opt_wrong = 1; myarg = *argv++; myarg = *argv; if ((opt_doubledash == 0) && ((myarg[0] == '-') || (opt_quality_space_flag) || (opt_threads_space_flag) || (opt_resize_space_flag) || (opt_output_space_flag))) { /* check switches */ if (!STRING_COMPARE(myarg, "--\0")){ opt_wrong = 0; opt_doubledash = 1; } if ((!STRING_COMPARE(myarg, "-h\0")) || (!STRING_COMPARE(myarg, "--help\0"))){ opt_wrong = 0; opt_help = 1; } if ((!STRING_COMPARE(myarg, "-v\0")) || (!STRING_COMPARE(myarg, "--version\0"))){ opt_wrong = 0; opt_version = 1; } if ((!STRING_COMPARE(myarg, "-a\0")) || (!STRING_COMPARE(myarg, "--autoadjust\0"))){ opt_wrong = 0; opt_autoadjust = 1; } if (!STRING_COMPARE(myarg, "--overwrite\0")){ opt_wrong = 0; opt_overwrite = 1; } if (!STRING_COMPARE(myarg, "--noexif\0")){ opt_wrong = 0; opt_noexif = 1; } if (!STRING_COMPARE(myarg, "--jpg\0")){ opt_wrong = 0; opt_jpg = 1; } if (!STRING_COMPARE(myarg, "--jp2\0")){ opt_wrong = 0; opt_jp2 = 1; } if (!STRING_COMPARE(myarg, "--png\0")){ opt_wrong = 0; opt_png = 1; } if (!STRING_COMPARE(myarg, "--bmp\0")){ opt_wrong = 0; opt_bmp = 1; } /* if ((!STRING_COMPARE(myarg, "-R\0")) || (!STRING_COMPARE(myarg, "--recursive\0"))){ */ /* opt_wrong = 0; opt_recursive = 1; } */ if ((!STRING_COMPARE(myarg, "-s\0")) || (!STRING_COMPARE(myarg, "--silent\0")) || (!STRING_COMPARE(myarg, "--quiet\0"))){ opt_wrong = 0; opt_quiet = 1; } if ((!STRING_COMPARE(myarg, "-V\0")) || (!STRING_COMPARE(myarg, "--verbose\0"))){ opt_wrong = 0; opt_verbose = 1; } if (!STRING_COMPARE(myarg, "--test\0")){ opt_wrong = 0; opt_test = 1; opt_autoadjust = 1; } /* check --output switch */ /* check if there was space between the --output switch and its parameter */ /* and if the parameter needs to be parsed separately */ if (opt_output_space_flag){ DIR * dp; int char_offs, i; char output_ending; opt_output_space_flag = 0; char_offs = 0; i = 0; output_ending = '\0'; while ((myarg[char_offs+i]) && (i < max_char)){ opt_output_path[i] = myarg[char_offs+i]; output_ending = opt_output_path[i]; i++; } /* check if output path ends with slash character */ /* if not, then append it */ if (output_ending != slsh){ opt_output_path [i] = slsh; i++; } opt_output_path [i] = 0; /* check if specified output directory is a dir and if it exists */ dp = opendir(opt_output_path); if (dp == NULL){ STRING_PRINTE("error: bad directory parameter\n"); return 1; } opt_output = 1; opt_wrong = 0; } if ((!STRING_COMPARE_FIX(myarg, "-o", 2)) || (!STRING_COMPARE_FIX(myarg, "--output", 8))){ int char_offs, i; if (!STRING_COMPARE_FIX(myarg, "--output", 8)){ char_offs = 8; } else{ char_offs = 2; } i = 0; /* check if there is space between the switch and its parameter */ if (myarg[char_offs+i] == 0){ opt_output_space_flag = 1; opt_wrong = 0; } else{ DIR * dp; char output_ending = '\0'; while ((myarg[char_offs+i]) && (i < max_char)){ opt_output_path[i] = myarg[char_offs+i]; output_ending = opt_output_path[i]; i++; } /* check if output path ends with slash character */ /* if not, then append it */ if (output_ending != slsh){ opt_output_path [i] = slsh; i++; } opt_output_path [i] = 0; /* check if specified output directory is a dir and if it exists */ dp = opendir(opt_output_path); if (dp == NULL){ STRING_PRINTE("error: bad directory parameter\n"); return 1; } opt_output = 1; opt_wrong = 0; } } /* check --quality switch */ /* check if there was space between the --quality switch and its parameter */ /* and if the parameter needs to be parsed separately */ if (opt_quality_space_flag){ char num [8+1]; int num_max, num_offs, i; opt_quality_space_flag = 0; num_max = 8; num_offs = 0; i = 0; while ((myarg[num_offs+i]) && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (STRING_CONVERT_TO_INTEGER(num, &opt_quality)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if ((opt_quality >= 1) && (opt_quality <= 100)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } if ((!STRING_COMPARE_FIX(myarg, "-q", 2)) || (!STRING_COMPARE_FIX(myarg, "--quality", 9))){ char num [8+1]; int num_max, num_offs, i; num_max = 8; if (!STRING_COMPARE_FIX(myarg, "--quality", 9)){ num_offs = 9; } else{ num_offs = 2; } i = 0; /* check if there is space between the switch and its parameter */ if (myarg[num_offs+i] == 0){ opt_quality_space_flag = 1; opt_wrong = 0; } else{ while ((myarg[num_offs+i]) && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (STRING_CONVERT_TO_INTEGER(num, &opt_quality)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if ((opt_quality >= 1) && (opt_quality <= 100)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } } /* check --threads switch */ /* check if there was space between the --threads switch and its parameter */ /* and if the parameter needs to be parsed separately */ if (opt_threads_space_flag){ char num [8+1]; int num_max, num_offs, i; opt_threads_space_flag = 0; num_max = 8; num_offs = 0; i = 0; while ((myarg[num_offs+i]) && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (STRING_CONVERT_TO_INTEGER(num, &opt_threads)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if ((opt_threads >= 1) && (opt_threads <= max_num_threads)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters, threads value must be between 1 and "); STRING_PRINTED(max_num_threads); STRING_PRINTE("\n"); return 1; } max_threads = opt_threads; } if ((!STRING_COMPARE_FIX(myarg, "-t", 2)) || (!STRING_COMPARE_FIX(myarg, "--threads", 9))){ char num [8+1]; int num_max, num_offs, i; num_max = 8; if (!STRING_COMPARE_FIX(myarg, "--threads", 9)){ num_offs = 9; } else{ num_offs = 2; } i = 0; /* check if there is space between the switch and its parameter */ if (myarg[num_offs+i] == 0){ opt_threads_space_flag = 1; opt_wrong = 0; } else{ while ((myarg[num_offs+i]) && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (STRING_CONVERT_TO_INTEGER(num, &opt_threads)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if ((opt_threads >= 1) && (opt_threads <= max_num_threads)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters, threads value must be between 1 and "); STRING_PRINTED(max_num_threads); STRING_PRINTE("\n"); return 1; } max_threads = opt_threads; } } /* check --resize switch */ /* check if there was space between the --resize switch and its parameter */ /* and if the parameter needs to be parsed separately */ if (opt_resize_space_flag){ char num [16+1]; int num_max, num_offs, i; opt_resize_space_flag = 0; num_max = 16; num_offs = 0; i = 0; while ((myarg[num_offs+i]) && (myarg[num_offs+i] != '%') && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } /* is the resize value entered in percentage? */ if (myarg[num_offs+i] == '%') opt_resize_percent = 1; if (STRING_CONVERT_TO_INTEGER(num, &opt_resize)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (opt_resize_percent){ if ((opt_resize >= 1) && (opt_resize <= 100)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } else{ if ((opt_resize >= 1) && (opt_resize <= 100000)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } } if ((!STRING_COMPARE_FIX(myarg, "-r", 2)) || (!STRING_COMPARE_FIX(myarg, "--resize", 8))){ int i; char num [16+1] = ""; int num_max = 16; int num_offs; if (!STRING_COMPARE_FIX(myarg, "--resize", 8)){ num_offs = 8; } else{ num_offs = 2; } i = 0; /* check if there is space between the switch and its parameter */ if (myarg[num_offs+i] == 0){ opt_resize_space_flag = 1; opt_wrong = 0; } else{ while ((myarg[num_offs+i]) && (myarg[num_offs+i] != '%') && (i < num_max)){ num[i] = myarg[num_offs+i]; i++; } num [i] = 0; if (i >= num_max){ STRING_PRINTE("error: bad parameters\n"); return 1; } /* is the resize value entered in percentage? */ if (myarg[num_offs+i] == '%') opt_resize_percent = 1; if (STRING_CONVERT_TO_INTEGER(num, &opt_resize)){ STRING_PRINTE("error: bad parameters\n"); return 1; } if (opt_resize_percent){ if ((opt_resize >= 1) && (opt_resize <= 100)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } else{ if ((opt_resize >= 1) && (opt_resize <= 100000)){ opt_wrong = 0; } else{ STRING_PRINTE("error: bad parameters\n"); return 1; } } } } /* check --rotate and --flip switches */ if (!STRING_COMPARE(myarg, "--rotate90\0")){ opt_wrong = 0; opt_rotate90 = 1; } if (!STRING_COMPARE(myarg, "--rotate180\0")){ opt_wrong = 0; opt_rotate180 = 1; } if (!STRING_COMPARE(myarg, "--rotate270\0")){ opt_wrong = 0; opt_rotate270 = 1; } if (!STRING_COMPARE(myarg, "--flipx\0")){ opt_wrong = 0; opt_flipx = 1; } if (!STRING_COMPARE(myarg, "--flipy\0")){ opt_wrong = 0; opt_flipy = 1; } /* remember if there were switches but entered wrongly */ if (opt_wrong){ opt_wrong_total = 1; } else{ opt_counter++; } } else { /* expand the file list that contains the files to be processed one by one */ FILE_LIST_ADD(myarg); } } /* error message if wrong parameters */ /* error message on missing extra parameter too */ if ((opt_wrong_total) || (opt_quality_space_flag) || (opt_threads_space_flag) || (opt_resize_space_flag) || (opt_output_space_flag)){ STRING_PRINTE("error: bad parameters\n"); return 1; } else{ /* check if only 1 type of output format is specified on input */ int cnt = 0; if (opt_jpg) cnt++; if (opt_jp2) cnt++; if (opt_png) cnt++; if (opt_bmp) cnt++; if (cnt > 1){ STRING_PRINTE("error: only one output format allowed\n"); return 1; } /* manage info switches */ if (opt_version) { PRINT_VERSION(); PRINT_LICENSE(); } if (opt_help) { PRINT_DESCRIPTION(); PRINT_HELP(); } /* check if --verbose switch is used alone? */ cnt = 0; cnt += opt_help; cnt += opt_version; cnt += opt_autoadjust; cnt += opt_output; cnt += opt_overwrite; cnt += opt_jpg; cnt += opt_jp2; cnt += opt_png; cnt += opt_bmp; cnt += opt_resize; cnt += opt_rotate90; cnt += opt_rotate180; cnt += opt_rotate270; cnt += opt_flipx; cnt += opt_flipy; cnt += opt_noexif; cnt += opt_quality; cnt += opt_test; if ((opt_verbose) && (cnt <= 0)) { STRING_PRINTE("error: verbose option flag needs more switches\n"); return 1; } /* AUTOADJUST DEFAULT = 1 IF NO OTHER PARAMETER EXCEPT FILE NAME */ /* if only file names specified, then --autoadjust parameter is turned on by default */ if (((opt_counter <= 0) && (file_name_counter > 0)) || ((opt_counter == 1) && (opt_doubledash) && (file_name_counter > 0))) { opt_autoadjust = 1; opt_counter++; } /* Main process of the switches (load -> process -> save) */ /* ------------------------------------------------------------------ */ /* check switches that need file name as input */ if ((opt_autoadjust) || (opt_overwrite ) || (opt_noexif ) || (opt_jpg ) || (opt_jp2 ) || (opt_png ) || (opt_bmp ) || (opt_resize ) || (opt_rotate90 ) || (opt_rotate180 ) || (opt_rotate270 ) || (opt_flipx ) || (opt_flipy ) || (opt_output ) || (opt_quality ) || (opt_recursive ) || (opt_test )){ /* were there any file names on input? */ if (file_name_counter > 0){ /* no error messages during the process with 1 or less file names */ /*if (file_name_counter > 1) opt_quiet = 1; */ /* process them one by one when at least 1 or more input files */ char tt[max_char]; int c = 0; int d; int i; for (i=0; i= max_char) return 255; if (c >= max_file_name_buffer) return 255; tt[d] = file_name_buffer[c]; d++; c++; } tt[d] = 0; d++; c++; /* -------------------------------------------------------- */ if (MAIN_RUN(tt)) { result = 1; } /* -------------------------------------------------------- */ } } /* error here, because no input file names were specified */ else { STRING_PRINTE("error: file name missing\n"); return 1; } } } } /* if no switches or file names or any parameters were specified, */ /* (the argument counter = 1 which is the command name itself) */ /* then print something */ else { /*PRINT_VERSION(); */ /*PRINT_DESCRIPTION(); */ /*PRINT_LICENSE(); */ /*PRINT_HELP(); */ STRING_PRINTE("No parameters specified. Use -h (--help) for more information\n"); } return result; } int MAIN_INIT(void) { /* store the unix time here in seconds */ mytime = time(NULL); /* OpenMP */ /* define the maximum number of threads, this is important to set it in the beginning already */ /* cause fixed arrays will have to be defined knowing that value */ max_cpus = 1; max_threads = 1; max_num_threads = 1024; opt_openmp = 0; #ifdef __OPENMP__ /* is there openmp support? */ opt_openmp = 1; /* get the number of available processors to know maximum number of threads */ max_cpus = omp_get_num_procs(); max_threads = max_cpus; /* set it to minimum 1 */ if (max_threads < 1){ max_threads = 1; } #endif /* number of files */ file_counter = 0; /* number of files stored in file_name_buffer */ file_name_counter = 0; /* pointer pointing to the end of the file names read from the files that are stored in file_name_buffer */ /* it is the offset pointer pointing to the next file name */ file_name_buffer_pointer = 0; /* allocate memory */ file_name_buffer = malloc(max_file_name_buffer * sizeof (*file_name_buffer)); if (file_name_buffer == 0){ STRING_PRINTE("error: memory allocation failure\n"); return 1; } #ifndef __BMP_ONLY__ bitmap_format_png_interlace_type = PNG_INTERLACE_NONE; bitmap_format_png_compression_type = PNG_COMPRESSION_TYPE_DEFAULT; bitmap_format_png_filter_type = PNG_FILTER_TYPE_DEFAULT; #endif /* set default image resolution */ /* 2835 dots per meter is equal to 72 dots per inch */ xdpi = 2835; ydpi = 2835; udpi = 1; return 0; } int main(int argc, char **argv) { int result; if (MAIN_INIT()) return 1; result = 0; if (MAIN_ARGUMENTS_READ(argc, argv)){ result = 1; } free(file_name_buffer); return result; } aaphoto-0.43.1/aaresize.c000066400000000000000000000303451227271207500152130ustar00rootroot00000000000000/*----------------------------------------------------------------------- This file is part of aaphoto. aaphoto is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. aaphoto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . ------------------------------------------------------------------------*/ int RESIZE( unsigned char **image_buffer, unsigned long *image_width, unsigned long *image_height, unsigned long new_width, unsigned long new_height, int alpha_flag) { unsigned int startx, endx; unsigned int starty, endy; unsigned int i, j, x, y; unsigned char *bitmap_buffer2; /* if there is an Alpha channel beside the RGB too */ /* then i need to allocate more memory for Alpha channel */ /* not 3x but 5x more than the number of pixels in image */ if (alpha_flag) { alpha_flag = 2; } /*allocate memory */ /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_buffer2 = malloc(new_width * new_height * (3 + alpha_flag) * sizeof (*bitmap_buffer2)); if (bitmap_buffer2 == 0) return 1; /* print info */ STRING_PRINTV("resizing image\n"); #ifdef __OPENMP__ #pragma omp parallel for private(i, j, x, y, startx, starty, endx, endy) num_threads(max_threads) #endif for (j=0; j 0){ rgb_avg_r = rgb_avg_r / rgb_counter; rgb_avg_g = rgb_avg_g / rgb_counter; rgb_avg_b = rgb_avg_b / rgb_counter; if (alpha_flag) { rgb_avg_a = rgb_avg_a / rgb_counter; } } addr = (i + j * new_width); bitmap_buffer2[3 * addr + 0] = rgb_avg_r; bitmap_buffer2[3 * addr + 1] = rgb_avg_g; bitmap_buffer2[3 * addr + 2] = rgb_avg_b; if (alpha_flag) { bitmap_buffer2[new_width * new_height * 3 + addr + 0] = rgb_avg_a; } } } /* print info */ STRING_PRINTV("freeing uncompressed bitmap buffer\n"); free(*image_buffer); *image_buffer = bitmap_buffer2; *image_width = new_width; *image_height = new_height; return 0; } int ROTATE90( unsigned char **image_buffer, unsigned long *image_width, unsigned long *image_height, int alpha_flag) { unsigned char *bitmap_buffer2; unsigned int x, y; unsigned long new_width; unsigned long new_height; new_width = *image_width; new_height = *image_height; /*allocate memory */ if (alpha_flag) { alpha_flag = 2; } /* print info */ STRING_PRINTV("allocating memory for uncompressed bitmap image\n"); bitmap_buffer2 = malloc(new_width * new_height * (3 + alpha_flag) * sizeof (*bitmap_buffer2)); if (bitmap_buffer2 == 0) return 1; /* print info */ STRING_PRINTV("rotating image with 90\n"); #ifdef __OPENMP__ #pragma omp parallel for private(x, y) num_threads(max_threads) #endif for (y=0; y. ------------------------------------------------------------------------*/ /* --------------------------------------------------- */ /* ----------- Auto Adjust RGB ----------------------- */ /* ----------- András Horváth (C) 2006-2013 ---------- */ /* ----------- Hungary, http://log69.com ------------- */ /* --------------------------------------------------- */ /* aaRGB Changelog: ------------------ 2013/09/30 - aaRGB v0.65 - fix some compile time warnings and uninitalized variables 2011/01/26 - aaRGB v0.64 - the contrast seemed strong with the default initial value of the former algorithm, so now constant optimized to the new contrast algorithm introduced in 0.63 - add more detailed explanations to the contrast algorithm (in hungarian) 2010/12/18 - aaRGB v0.63 - include OpenMP defs in aargb.c too for standalone usage - fix some warning messages during build - make embedded test info image look more readable by changing the colors (--test switch) - change saturation algorithm from linear to exponential - improve contrast algorithm to include a self balance mechanism to avoid overexposure on images with large blank areas that have relatively small details - improve color balance algorithm to make it a bit more aggressive by raising the value of the color difference factor of the white and black point to the 3rd power - speed up process by skipping saturation part if no change is needed - some memory allocation check - some changes in documentation 2010/09/14 - aaRGB v0.62 - bugfix: an ugly misconception in my paralleled code caused weird behavior when using more threads - rewrite the code to suffice the ISO C90 ANSI standard C form (GCC -pedantic option) 2010/05/02 - aaRGB v0.61 - add OpenMP support for multi processing, all computing cycles paralleled - solve warning issues with some uninitialized variables - some code cleanup 2009/10/18 - aaRGB v0.60 - remove gamma handling of the lighter colors from the two-pole gamma computing by setting the gamma_interval_high from 0.9 to 1, it proved to be inefficient 2009/04/05 - aaRGB v0.59 - some more code cleanup 2009/02/22 - aaRGB v0.58 - code cleanup 2007/08/11 - aaRGB v0.57 - improve black and white point analyzing from now they are not scaled to perfect black and white, but to their darkest and brightest color that have maximum saturation to fix overexposure problem - improve saturation algorithm with full floating point computing and HSL conversion to fix over saturated colors - expand image information display with color balance circle for testing (--test switch) - remove text information from test display (--test switch) 2007/06/21 - aaRGB v0.56 - expand functionality with "apply only on selection" to process only the selected area 2007/04/03 - aaRGB v0.55 - maximize saturation limit with a predefined constant to avoid overexposure in saturation when reconverting the same image 2007/04/01 - aaRGB v0.54 - new two-pole gamma computing - new saturation compensation 2007/03/29 - aaRGB v0.53 - improve contrast computing to avoid underexposure 2007/02/25 - aaRGB v0.52 - improve image information display for testing (--test switch) 2007/02/16 - aaRGB v0.51 - improve average RGB color computing for more accurate color balance calibration 2007/01/04 - aaRGB v0.49 - stable working version with gamma handling and more clever image analyzing 2006/08/29 - aaRGB project begun... aaRGB end of Changelog. */ /* ---------------------------------------------------------------- */ /* -- Automatically adjusts contrast, color balance, gamma level -- */ /* -- and saturation of an RGB image ------------------------------ */ /* ---------------------------------------------------------------- */ /* pictures might need some contrast adjustment when their colors don't spread the entire spectrum, usually when their darkest colors aren't dark enough and the lightest colors not bright enough, this causing a veiled effect on them. sometime color balance adjustment is also necessary, when the brightest and darkest colors of the image are not black and white enough, but they are shifted towards some other color which may be the effect of the technology used, or simply the environment changes the colors unrealistically. the procedure assumes that there must be some detail on the picture that's supposed to be black (dark enough) and also white (bright enough) in real. the automatic contrast and color balance process is built upon this. the overall (or average) brilliance of the image can be set by the gamma level. this procedure makes sure that those pictures that seem too dark will be corrected by this factor by changing the middle dark colors while not changing the darkest and brightest colors. as the last step, a saturation adjustment takes place to intensify the colors themselves if needed. */ #include #include /* ------------------------- */ /* ----- SIGN FUNCTION ----- */ /* ------------------------- */ int sgn(double x) { if (x < 0) { return -1; } if (x > 0) { return 1; } /* if x is 0 then return 0 */ return 0; } /* -------------------------------- */ /* ----- RGB - HSL CONVERSION ----- */ /* -------------------------------- */ void RGB_TO_HSL(double R, double G, double B, double *H1, double *S1, double *L1) { double H, S, L; double LN, LK, LNX, LKX; if (R < 0) { R = 0; } if (R > 1) { R = 1; } if (G < 0) { G = 0; } if (G > 1) { G = 1; } if (B < 0) { B = 0; } if (B > 1) { B = 1; } H = 0; S = 0; L = 0; L = (R + G + B) / 3; /* To calculate the 'S' saturation value, first i determine the maximum amount of how much i can stretch the RGB color elements to their limits while keeping the same 'L' lightness and 'H' hue values */ LN = R; if (LN < G) { LN = G; } if (LN < B) { LN = B; } LK = R; if (LK > G) { LK = G; } if (LK > B) { LK = B; } if (LN == LK) { S = 0; H = 0; } else { double R2, G2, B2; if ((LN < 1) && (LK > 0)) { /* L cannot be either 0 or 1 here */ LKX = (L - LK) / L; LNX = (LN - L) / (1 - L); S = LNX; if (LKX >= LNX) { S = LKX; } } else { S = 1; } /* To get the 'H' color value, i stretch the RGB elements to their maximum, so it'll be a 6 case outcome. */ LN = LN - LK; R2 = (R - LK) / LN; G2 = (G - LK) / LN; B2 = (B - LK) / LN; if ((R2 == 1) && (G2 < 1) && (G2 >= 0) && (B2 == 0)) { H = ( 0 + G2 * 60) / 360; } if ((G2 == 1) && (R2 <= 1) && (R2 > 0) && (B2 == 0)) { H = ( 60 + (1-R2) * 60) / 360; } if ((G2 == 1) && (B2 < 1) && (B2 >= 0) && (R2 == 0)) { H = (120 + B2 * 60) / 360; } if ((B2 == 1) && (G2 <= 1) && (G2 > 0) && (R2 == 0)) { H = (180 + (1-G2) * 60) / 360; } if ((B2 == 1) && (R2 < 1) && (R2 >= 0) && (G2 == 0)) { H = (240 + R2 * 60) / 360; } if ((R2 == 1) && (B2 <= 1) && (B2 > 0) && (G2 == 0)) { H = (300 + (1-B2) * 60) / 360; } if (H == 1) { H = 0; } } *H1 = H; *S1 = S; *L1 = L; } void HSL_TO_RGB(double H, double S, double L, double *R1, double *G1, double *B1) { double R = 0; double G = 0; double B = 0; if (H < 0) { H = 0; } if (H > 1) { H = 1; } if (S < 0) { S = 0; } if (S > 1) { S = 1; } if (L < 0) { L = 0; } if (L > 1) { L = 1; } if (L == 0) { R = 0; G = 0; B = 0; } else { if (L == 1) { R = 1; G = 1; B = 1; } else { double L2, templ; /* set the things here based on 'H' value */ int deg; double mul; if (H == 1) { H = 0; } deg = (int)(H * 6); mul = H * 6 - deg; switch (deg) { case 0: R = 1; G = mul; B = 0; break; case 1: G = 1; R = 1-mul; B = 0; break; case 2: G = 1; B = mul; R = 0; break; case 3: B = 1; G = 1-mul; R = 0; break; case 4: B = 1; R = mul; G = 0; break; case 5: R = 1; B = 1-mul; G = 0; break; } /* scale the things here in the RGB field by the value of 'L' */ L2 = (R + G + B) / 3; if (L > L2) { templ = (1-L) / (1-L2); R = 1 - (1-R) * templ; G = 1 - (1-G) * templ; B = 1 - (1-B) * templ; } else { templ = L / L2; R = R * templ; G = G * templ; B = B * templ; } /* scale the things here in the RGB field by the value of 'S' */ if (R > L) { R = L + (R-L) * S; } else { R = L - (L-R) * S; } if (G > L) { G = L + (G-L) * S; } else { G = L - (L-G) * S; } if (B > L) { B = L + (B-L) * S; } else { B = L - (L-B) * S; } } } *R1 = R; *G1 = G; *B1 = B; } /* ------------------------------------------------------------------------------ */ void AARGB_MAIN( unsigned char *image_buffer, int image_width, int image_height, int x1, int y1, int x2, int y2, int format_flag, int apply_on_selection, int test_flag) { /* ------------------------------------------------------------------------------ */ /* ---------- Global variables for the procedure ------------------------------ */ /* ------------------------------------------------------------------------------ */ int max_threads2; double cont_max; double gamma_max; double gamma_interval_low; double gamma_interval_high; double satur_max; double gamma_weight_low_all; double gamma_weight_high_all; double gamma_weight_low; double gamma_weight_high; double gamma_low; double gamma_high; long hist1[256]; long hist2[256]; long hist3[256]; long *hist1n; long *hist2n; long *hist3n; long hist_min; long hist_max; long hist_cut_columns; long hist_cut_weight; double hist_cut_limit; double hist_avg; /* long hist_sum; long hist_min_test; long hist_max_test; double hist_avg_test; */ long hist_satur[256]; long *hist_saturn; double hist_satur_avg; double hist_satur_low; double hist_satur_ok; double temp1, temp2, temp3; long flag1; long bw, bh; long x, y; long i1, i2, i3; long col_r, col_g, col_b; double col_r2, col_g2, col_b2; unsigned long col_r3[256]; unsigned long col_g3[256]; unsigned long col_b3[256]; unsigned long *col_r3n; unsigned long *col_g3n; unsigned long *col_b3n; double H, S, L; double wp, bp; double wp_end, bp_end; double wp_r, wp_g, wp_b; double bp_r, bp_g, bp_b; double wp_r_end = 0, wp_g_end = 0, wp_b_end = 0; double bp_r_end = 0, bp_g_end = 0, bp_b_end = 0; long cc; long addr, addr2; long addr_offset; int N; long col; long xm, ym; long xma1, xma2; long xmb1, xmb2; long color_black = 0x00000000; long color_green = 0x0000ff00; long color_brown = 0x00707000; long color_blue = 0x000080ff; long color_white = 0x00ffffff; long color_gray = 0x00606060; long color_red = 0x00a00000; long color_yellow = 0x00ffff00; /* long color_green_dark = 0x00008000; */ /* is there openmp support? */ max_threads2 = 1; #ifdef __OPENMP__ /* get the number of available processors to know maximum number of threads */ max_threads2 = omp_get_num_procs(); /* set it to minimum 1 */ if (max_threads2 < 1){ max_threads2 = 1; } #endif /* allocate memory for the arrays that help to parallel cycles */ /* the allocated memory here is way too small, so i don't print any error message on failure cause i don't want to have stdio.h as a dependency for this procedure, just simply exit */ hist_saturn = 0; hist1n = 0; hist2n = 0; hist3n = 0; col_r3n = 0; col_g3n = 0; col_b3n = 0; if ((hist_saturn = calloc (256 * max_threads2, sizeof (*hist_saturn))) == 0){ goto exit; } if ((hist1n = calloc (256 * max_threads2, sizeof (*hist1n))) == 0){ goto exit; } if ((hist2n = calloc (256 * max_threads2, sizeof (*hist2n))) == 0){ goto exit; } if ((hist3n = calloc (256 * max_threads2, sizeof (*hist3n))) == 0){ goto exit; } if ((col_r3n = calloc (256 * max_threads2, sizeof (*col_r3n))) == 0){ goto exit; } if ((col_g3n = calloc (256 * max_threads2, sizeof (*col_g3n))) == 0){ goto exit; } if ((col_b3n = calloc (256 * max_threads2, sizeof (*col_b3n))) == 0){ goto exit; } /* ------------------------------------------------------------------------------ */ /* Initialization and constants for the contrast and gamma (0...1) */ /* ------------------------------------------------------------------------------ */ /* Kezdõ értékek és konstansok megadása a kontraszt és gamma mûveletekhez */ /* Kontraszt konstans megadása: megadja, hogy mekkora lehet az automata */ /* kontraszt állítás maximum értéke (0...1-ig terjedhet az értéke), */ /* alapértelmezett = 0.1 */ /* Gamma konstans megadása: megadja, hogy mekkora lehet az automatikus */ /* gamma állítás maximum értéke (1...10-ig ajánlott), */ /* alapértelmezett = 1.5 */ /* Gamma állításhoz a maximum elõfordulás értékének megadása (occur_max), */ /* amely megadja, hogy a gamma érték számításánál ha ennél kisebb az */ /* elõfordulása a nagy mértékben elõforduló színeknek, akkor kihagyjuk õket a */ /* számításból, vagyis a nagy mértékben elõforduló színeket azért nem vesszük */ /* be a számításba, mert inkább a részletek látszódjanak jól, */ /* vagyis a részletekhez legyen inkább kiszámolva a megfelelõ fényerõ */ /* ------------------------------ */ /* Konstans értékek beállítása */ /* ------------------------------ */ /* maximális kontraszt mértéke (0..1) */ cont_max = 0.066666; /* maximális gamma korrekció mértéke (1..10) */ gamma_max = 1.5; gamma_interval_low = 0.333; gamma_interval_high = 1; /* maximális színtelítettség limit (0..1) */ satur_max = 0.333; bw = image_width; bh = image_height; /* Kijelölt területhez a koordináták határértékeinek vizsgálata */ /* és megfelelõ beállítása */ /* A kijelölés célja, hogy egy meghatározott képrészletet szeretnénk jól */ /* láthatóvá tenni (nem pedig az egészet arányaiban) */ /* a szélesség konvertálása abszolút koordinátává, jelenleg nem él */ /* x2 = x1 + x2 - 1; */ /* y2 = y1 + y2 - 1; */ if (x1 < 0) { x1 = 0; } if (x2 < 0) { x2 = 0; } if (y1 < 0) { y1 = 0; } if (y2 < 0) { y2 = 0; } if (x1 > bw-1) { x1 = bw-1; } if (x2 > bw-1) { x2 = bw-1; } if (y1 > bh-1) { y1 = bh-1; } if (y2 > bh-1) { y2 = bh-1; } /* A DIB formátum 4-byte-os igazításához az eltolás értékének kiszámítása */ /* Normál tömbnél erre nincs szükség, ekkor a format_flag értéke = 0 */ /* egyébként a DIB formátumú tömb függõlegesen fordított sorokat tartalmaz, */ /* és a sorvégek 4 byte-tal vannak igazítva */ addr_offset = 0; /* Format = 0 --> NORMAL 3 byte RGB data in array */ /* Format = 1 --> DIB data format in array */ /* Format = 2 --> BMP data format in array */ if ((format_flag == 1) || (format_flag == 2)){ y1 = bh - 1 - y1; y2 = bh - 1 - y2; addr_offset = bw * 3 - 4 * (bw * 3 / 4); if (addr_offset) addr_offset = 4 - addr_offset; } /* Kijelölés koordinátáinak felcserélése, ha nem jó sorrendben adták meg, */ /* vagyis a bal felsõ sarok az x1 és y1, a jobb alsó pedig az x2 és y2 */ if (x1 > x2) { i1 = x1; x1 = x2; x2 = i1; } if (y1 > y2) { i1 = y1; y1 = y2; y2 = i1; } /* ------------------------------------------------------------------------------ */ /* Create Histogram and average RGB colors for the Image */ /* ------------------------------------------------------------------------------ */ /* Hisztogram generálása a kép színeibõl, ami a kép feényerõ eloszlását adja meg */ /* plusz a színegyensúly beállításához az egy fényerejû színek átlag RGB */ /* értékeinek letárolása, megelõlegezve egy késõbbi rutin munkáját */ /* A kép minden egyes pontjának átlag fényereje (szürkéje) bekerül egy */ /* 256 elemû tömbbe, ahol a fényerejük értéke az azonos indexû elem értékét */ /* 1-gyel növeli */ /* Így ez a hisztogram tömb pontos leírást ad a feketétõl a fehérig terjedõ */ /* színskálájáról a képnek */ /* array initialization with zeros */ #ifdef __OPENMP__ #pragma omp parallel for num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ hist1[i1] = 0; hist2[i1] = 0; hist3[i1] = 0; hist_satur[i1] = 0; col_r3[i1] = 0; col_g3[i1] = 0; col_b3[i1] = 0; } #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2, col_r, col_g, col_b, cc, N) num_threads(max_threads2) #endif for (y=0; y<=bh-1; y++){ addr2 = y * bw * 3 + y * addr_offset; for (x=0; x<=bw-1; x++){ if (x >= x1 && x <= x2 && y >= y1 && y <= y2) { addr = addr2 + x * 3; col_r = image_buffer[addr + 0]; col_g = image_buffer[addr + 1]; col_b = image_buffer[addr + 2]; cc = (col_r + col_g + col_b) / 3; /* multi processing, thread id */ #ifdef __OPENMP__ N = omp_get_thread_num(); #else N = 0; #endif /* szürke hisztogramm */ hist1n[cc + N*256]++; /* Átlag RGB értékek letárolása a fekete és fehér pont */ /* átlag RGB-jének későbbi megállapításához */ col_r3n[cc + N*256] += col_r; col_g3n[cc + N*256] += col_g; col_b3n[cc + N*256] += col_b; } } } /* this is a replacement code for arrays for multi processing */ #ifdef __OPENMP__ #pragma omp parallel for private(i1, i2) num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ for (i2=0; i2 (long)temp1){ hist_min = (long)temp1; } if (hist_max < (long)temp1){ hist_max = (long)temp1; } hist_avg = hist_avg + temp1; } /* histogram teljes összege */ /* hist_sum = hist_avg; */ /* histogram matematikai átlag értéke */ hist_avg = hist_avg / 256; /* hist_min_test = hist_min; hist_max_test = hist_max; hist_avg_test = hist_avg; */ /* ez lesz itt a limit */ temp1 = hist_avg * cont_max; hist_cut_limit = temp1; /* fehér és feketepont keresése 0 (nulla) maximumig */ bp = 255; flag1 = 0; for (i1=0; i1<256; i1++){ if (flag1 == 0){ if (hist1[i1] > 0){ flag1 = 1; bp = i1; } } } wp = 0; flag1 = 0; hist_cut_columns = 0; for (i1=255; i1>=0; i1--){ if (flag1 == 0){ if (hist1[i1] > 0){ flag1 = 1; wp = i1; } } } if (bp > wp){ i1 = (long)(wp); wp = bp; bp = i1; } if (bp == wp){ bp = bp - 1; wp = wp + 1; } if (bp < 0){ bp = 0; } if (bp >= 255){ bp = 254; } if (wp > 255){ wp = 255; } if (wp <= 0){ wp = 1; } /* ----------------------------------------------------------------------------------- Az automatikus kontraszt állító algoritmus néha olyan bemenetet is kaphat, ahol a részletek a képen túl kis mennyiségben vannak jelen, és nagy terjedelmű egy színű részek a jellemzőek - ekkor az volt a jelenség, hogy az algoritmus túl nagyot vág le a hisztogram széléből, és az ezen a képen fontosabb kis mennyiségű részlet veszik el. Ezért beillesztettem az algoritmusba egy önszabályozó mechanizmust, amelynél ha felmerül a fenti eset, akkor jó esély van rá, hogy a részletek maradnak meg inkább a kontraszt állítás után. Ez úgy történik, hogy megnézem, mennyi oszlop esik a limit érték alá, és ennek függvényében tovább csökkentem ezt a limit-et, mivel minél több rész esik az átlag alá (oszlopok száma a hisztogramban), ez azt jelenti hogy annál több a képen az olyan érdekes részlet, amely levágásra kerülne, ezért a sok és meghatározó nagy üres részek kevésbé kellene hogy számítsanak. A limit értéket az alábbi módon húzom tovább lefelé: újra fogom kalkulálni az átlagot és ezt a limit értéket is úgy, hogy a kalkuláció során az ez fölé eső oszlop értékek kevésbé számítsanak, ha minél több az előzőkben a limit érték alatti részek oszlopainak száma, és ha ezen oszlopok magasságának összegei is minél kisebbek, mert így tudjuk meg, hogy egyre kisebb területen van az értékes részlet. Ez így egy önfékező folyamatot eredményez a nagy üres területek átlaga okozta túl nagy limit értékhez, és ezzel a túl nagy kontraszt levágáshoz, ahol is pont a részlet veszik el. Ezek után újra kalkulálom ezt a limit értéket az előző módon, és ezzel lesz tovább kalkulálva a histogram szélek levágása. Hogy mennyire számítson a kis kép részlet, azt is analóg módon akarom eldönteni, tehát úgy, hogy az eredeti limit érték módosulása ne szakaszos módon történjen, viszont mivel úgy gondolom, hogy olyan görbére van szükségem, amely a 0-1 intervallumon a feléig nagyon kicsit emelkedik, majd innét drasztikusabban, ezért az 5. hatványt szorozva 3-mal találtam a megfelelőnek. f(x) = x^5*3 Wolphram Aplha link a szemléltetéshez: http://www.wolframalpha.com/input/?i=x^5+*+3+from+0+to+1 Ennek mentén, ha a kis és nagy részlet egyensúly felborul, akkor a 0.5 től felfelé kezd a kontraszt számítás egyre kevésbé drasztikusba átmenni, és ezzel érem el, hogy a kisebb értékek lehetőleg minél kevésbé, míg a nagyobb értékek egyre jobban folyásolják be ezt. -------------------------------------------------------------------------------------- */ /* azért csak a fekete és fehér pont közötti szakaszt vizsgálom (ez a hisztogramm megmaradó szélessége a bal és jobb oldali levágás után) mert a tervezett végleges eredményen akarom vizsgálni a részlet mennyiségének arányát a teljes terjedelemhez képest (amennyi maradna belőle). */ hist_cut_columns = 0; hist_cut_weight = 0; for (i1=bp; i1 1){ temp3 = 1; } /* itt temp1 (eredeti limit érték) alatt keletkezett temp2 (új limit érték) limit vonalat visszahúzom felfelé az eredeti temp1 felé a temp3-as görbe alapján. vagyis a drasztikus kontrasztot lecsökkentettem, majd vissza engedem a görbe alapján (amelynél kb. 50% után görbül drasztikusan). */ temp3 = temp1 - ((temp1 - temp2) * temp3); /* itt nem engedem hogy az új csökkentett limit érték az eredeti 10% alá menjen, ez csupán egy alsó korlát a kontraszt csökkentés mértékéhez */ if (temp3 < temp1 * 0.1){ temp1 = temp1 * 0.1; } else{ temp1 = temp3; } hist_cut_limit = temp1; /* ------------------------------------------------------------ */ bp = 255; flag1 = 0; /* histogram jobb oldaláról lépkedek és vágom majd le addig az értékig, amely még kisebb mint az átlag * cont_max (átlag 10 %-a) */ for (i1=0; i1<256; i1++){ if (flag1 == 0){ if (hist1[i1] >= temp1){ flag1 = 1; bp = i1; } } } wp = 0; flag1 = 0; hist_cut_columns = 0; for (i1=255; i1>=0; i1--){ if (flag1 == 0){ if (hist1[i1] >= temp1){ flag1 = 1; wp = i1; } } } /* Határértékek beállítása és korrekciója */ if (bp > wp){ i1 = (long)(wp); wp = bp; bp = i1; } if (bp == wp){ bp = bp - 1; wp = wp + 1; } if (bp < 0){ bp = 0; } if (bp >= 255){ bp = 254; } if (wp > 255){ wp = 255; } if (wp <= 0){ wp = 1; } bp = bp / 255; wp = wp / 255; /* ------------------------------------------------------------------------------ */ /* Get the average RGB values for the White and Black points */ /* ------------------------------------------------------------------------------ */ /* A színegyensúly beállításához az átlag RGB értékek kiszámítása */ /* a fekete és fehér pont értéke alapján */ /* Itt keletkezik egy átlag RGB érték a fekete és fehér pontokhoz egyaránt */ /* Ez az érték azt adja meg, hogy az automatikus kontraszt állításakor */ /* minden egyes szín milyen irányba torzul lefelé (fekete pont RGB átlaga) */ /* és felfelé (fehér pont RGB átlaga) */ /* A fehér pont feletti összes szín átlagának RGB-je lesz a viszonyítási pont */ /* a fehér írányába való torzításhoz, */ /* vagyis ez lesz kihúzva a tökéletes fehérbe */ /* Ez valóságban a kép színegyensúlyát állítja be megfelelõen úgy, hogy a */ /* levágandó mértékû fehérek színátlaga lesz a tökéletes fehér, */ /* ezért ha ezek átlaga nem tökéletes fehér, akkor az ettõl eltérõ nagyságot */ /* minden színnél arányosan el kell tolni a tökéletes fehér irányába, */ /* ugyanez a fekete estében */ bp_r = 0; bp_g = 0; bp_b = 0; wp_r = 0; wp_g = 0; wp_b = 0; i3 = 0; /* fekete pont alatti összes szín RGB átlagának kiszámítása */ #ifdef __OPENMP__ #pragma omp parallel for reduction(+:bp_r, bp_g, bp_b, i3) num_threads(max_threads2) #endif for (i1=(long)(bp * 255); i1>=0; i1--){ bp_r += col_r3[i1]; bp_g += col_g3[i1]; bp_b += col_b3[i1]; i3 += hist1[i1]; } if (i3 > 0){ bp_r = bp_r / i3; bp_g = bp_g / i3; bp_b = bp_b / i3; } i3 = 0; /* fehér pont feletti összes szín RGB átlagának kiszámítása */ #ifdef __OPENMP__ #pragma omp parallel for reduction(+:wp_r, wp_g, wp_b, i3) num_threads(max_threads2) #endif for (i1=(long)(wp * 255); i1<256; i1++){ wp_r += col_r3[i1]; wp_g += col_g3[i1]; wp_b += col_b3[i1]; i3 += hist1[i1]; } if (i3 > 0){ wp_r = wp_r / i3; wp_g = wp_g / i3; wp_b = wp_b / i3; } /* skálázás 255-ről a [0..1] intervallumra */ bp_r = bp_r / 255; bp_g = bp_g / 255; bp_b = bp_b / 255; wp_r = wp_r / 255; wp_g = wp_g / 255; wp_b = wp_b / 255; /* A kapott átlag RGB érték fényerejének visszaállítása a fehér pont szintjére. */ /* Mivel ugye nem csak a fehér pont fényerejével azonos színeknek kalkuláltuk ki */ /* az átlag színét, hanem az attól világosabb összes színnek, ezért a kapott */ /* átlag szín fényereje nagyobb vagy egyenlő lesz, mint a kiindulási fehér pont */ /* ezért a korrekcióhoz visszaállítjuk az RGB érték fényerejét */ /* de az R, G és B komponensek arányának a megtartásával */ /* és ugyanez a fekete pont esetében */ RGB_TO_HSL (bp_r, bp_g, bp_b, &H, &S, &L); L = bp; HSL_TO_RGB (H, S, L, &bp_r, &bp_g, &bp_b); RGB_TO_HSL (wp_r, wp_g, wp_b, &H, &S, &L); L = wp; HSL_TO_RGB (H, S, L, &wp_r, &wp_g, &wp_b); /* A fekete és fehér pont célpontjának kiszámítása. */ /* Ez mutatja meg, hogy a fekete és fehér pont átlag RGB-jét */ /* hova kell húzni úgy, hogy az RGB kockában a két csúcsot */ /* összekötő 'szürke' egyenessel párhuzamosan tolva a távolsága */ /* a 'szürke' egyenestől és a színiránya megmaradjon, */ /* de a lehető legsötétebb- vagy legvilágosabb legyen */ /* */ /* Másképpen fogalmazva eltoljuk a szürke egyenes mentén addig, */ /* amíg az RGB kocka falába nem ütközünk (mindkét iránynál) */ /* */ /* Ez annyiban változtatás az előzőkhöz képest, hogy a fekete pontot */ /* most már nem a tökéletes feketébe húzzuk, hanem az annak megfelelő */ /* olyan legsötétebb pontba, ahol a maximum a színtelítettség */ /* és aminek színe megegyezik a fekete pontéval, */ /* ezzel a rossz színegyensúlyt és nem megfelelő kontrasztot küszöbölöm ki. */ temp3 = bp_r; if (temp3 > bp_g) { temp3 = bp_g; } if (temp3 > bp_b) { temp3 = bp_b; } /*bp_r_end = 1 - (1 - bp_r) / (1 - temp3); */ /*bp_g_end = 1 - (1 - bp_g) / (1 - temp3); */ /*bp_b_end = 1 - (1 - bp_b) / (1 - temp3); */ bp_r_end = bp_r - temp3; bp_g_end = bp_g - temp3; bp_b_end = bp_b - temp3; temp3 = wp_r; if (temp3 < wp_g) { temp3 = wp_g; } if (temp3 < wp_b) { temp3 = wp_b; } if (temp3 > 0){ wp_r_end = wp_r / temp3; wp_g_end = wp_g / temp3; wp_b_end = wp_b / temp3; } /* ----------------- */ /* ---- RGB TÉR ---- */ /* ----------------- */ /* A teljes RGB teret egy szabályos 3D-s kocka foglalja magába, */ /* amelynek 1-1 éle jelenti a R, a G és a B tengelyt */ /* és egyik csúcsában található a tökéletes fehér szín, */ /* a másik (ezzel szemköti) csúcsában pedig a tökéletes fekete */ /* és ezt a két csúcsot összekötő egyenes tartalmazza a */ /* feketétől fehérig terjedő teljes szürke skálát. */ /* A színeltolás mértéke pedig nem más, mint az adott szín */ /* távolsága merőleges írányban szürke skála egyenesétől */ /* (amit egy 0 és 1 közötti érték jellemezhet, ahol a 0 */ /* azt jelenti, hogy a szín szürke, vagyis az egyenesen található) */ /* */ /* ------------------------- */ /* ---- RGB SZÍN IRÁNYA ---- */ /* ------------------------- */ /* A fekete és fehér pont átlag eltolási RGB értékét összehasonlítom, */ /* hogy megállapítsam, vajon megegyező irányban vannak-e eltolva, */ /* mivel ha nem jó a kép színegyensúlya, akkor feltételezem, hogy */ /* a kép összes színe a színegyensúly felborulását okozó tényező miatt */ /* megegyező irányban tolódik el. Ha nem megegyező irányba mutat */ /* az eltolásuk értéke, akkor feltételezem, hogy ez nem azért van, */ /* mert a színegyensúly felborult. Ekkor a kontraszt műveletnél nem */ /* alkalmazok színegyensúly kiegyenlítést (vagyis a kép színeinek */ /* a tökéletes fehér és tökéletes fekete irányába való RGB korrekcióját). */ /* */ /* Egy adott szín irányán az RGB kockában található pontjából kiinduló */ /* merőleges szakasz körülforgási szögét értem a szürke egyenesre nézve. */ /* Ennek értéke -180 és 180 fok közé kell hogy essen. */ /* Így a fekete és fehér pont átlag RGB színeinek iránya megad két szöget. */ /* Ennek különbsége adja meg, hogy milyen mértékkel kell színegyensúly */ /* kompenzációt végezni. Minél jobban egyírányba mutatnak, annál erősebb */ /* színkompenzáció szükséges. */ /* ------------------------------------------------------------------------------------ */ /* Get RGB color directions of the White and Black points and change average RGB colors */ /* ------------------------------------------------------------------------------------ */ /* Megállapítjuk a fekete és fehér pont átlag RGB értékeinek irányát */ /* Ez két szöget ad vissza, és ennek a különbségét vizsgáljuk, */ /* minél kevésbé eltérő, az átlag RGB értékeket annál jobban lecseréljük */ /* a tökéletes fekete és fehér értékre, így a kontraszt állításnál */ /* jobban keletkezik színegyensúly korrekció */ /* */ /* Mivel az irányuk egy 360˚-os szöget zár be, és az eltérő színek 60˚-onként vannak, */ /* ezért a 60˚-nál nagyobb eltérést teljesen különbözőnek vesszük. */ /* Vagyis a 60˚-nál kisebb eltérésnél toljuk csak el arányosan a fekete és */ /* fehér pont célpontját a tökéletes fekete és a tökéletes fehér írányába */ /* (vagyis egyező irány esetén teljes színkorrekció lép fel) */ RGB_TO_HSL (bp_r_end, bp_g_end, bp_b_end, &H, &S, &L); temp1 = H; RGB_TO_HSL (wp_r_end, wp_g_end, wp_b_end, &H, &S, &L); temp2 = H; temp2 = temp2 - temp1; /* change value to positive */ if (temp2 < 0) { temp2 = 0 - temp2; } /* if angle of direction is larger than 180 degree, then take the smaller section of the circle, it means it'll always be less or equal than 180 deg */ if (temp2 > 0.5) { temp2 = 1 - temp2; } /* if the angle is greater then 60 degree, that means the colors are totally different, so i check the amount of difference on this 1/6 intervall only from 0 to 60 degrees. */ temp2 = temp2 * 6; if (temp2 > 1){ temp2 = 1; } /* raise the value (0..1) of angle difference to 3th power to make color balance a bit more aggressive */ temp2 = temp2 * temp2 * temp2; /* Ezzel megvan az iránykülönbség értéke egy [0..1] intervallumon, */ /* ahol a 0 a teljes egyezést mutatja */ /* most az egész 'kör' hatod részét vizsgálom csak és */ /* abból alakítok ki egy értéket a [0..1] intervallumon, */ /* hogy majd ezzel szorozni tudjam a fekete pont fényerejét, */ /* vagyis ha egyeznek az írányok, akkor tökéletes feketébe megy el */ /* ugyanez a fehér pont esetében */ if (temp2 < 1) { RGB_TO_HSL (bp_r_end, bp_g_end, bp_b_end, &H, &S, &L); L = L * temp2; HSL_TO_RGB (H, S, L, &bp_r_end, &bp_g_end, &bp_b_end); RGB_TO_HSL (wp_r_end, wp_g_end, wp_b_end, &H, &S, &L); L = 1 - (1 - L) * temp2; HSL_TO_RGB (H, S, L, &wp_r_end, &wp_g_end, &wp_b_end); } wp_end = (wp_r_end + wp_g_end + wp_b_end) / 3; bp_end = (bp_r_end + bp_g_end + bp_b_end) / 3; /* ------------------------------------------------------------------------------ */ /* Convert original Histogram using White and Black point values */ /* ------------------------------------------------------------------------------ */ /* Eredeti hisztogramból a fekete és fehér pont alapján megváltoztatott */ /* hisztogram létrehozása */ /* Nem az egész kép újraanalizálása, hanem csak az eredeti hisztogramé, */ /* mert így csak 256 értéket kell feldolgozni a kép összes pontjai számának */ /* helyett. Ez a hisztogram az automatikus kontraszt állítás utáni állapotát */ /* mutatja a képnek */ /* Ez a hisztogram lesz felhasználva a gamma súlypont megállapításához */ #ifdef __OPENMP__ #pragma omp parallel for private(temp2, temp3, cc, N) num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ temp2 = (double)(i1) / 255; /* bp-től és wp-től viszonyított nullára húzással a kontraszt számolás az alábbi */ /*temp2 = bp + ((temp2 - bp) * (1 - bp) / (wp - bp)); */ /*temp2 = 1 - (1 - temp2) * 1 / (1 - bp); */ /* teljes intervallumon számolt húzással a kontraszt számolás az alábbi */ /*temp2 = temp2 * wp_end / wp; */ /* ---> bp = bp * wp_end / wp; */ /* ---> bp_end = bp_end * wp_end / wp; */ /*temp2 = 1 - (1 - temp2) * (1 - bp_end * wp_end / wp) / (1 - bp * wp_end / wp); */ /* bp_end-től és wp_end-től viszonyított bp-ből és wp-ből húzással a kontraszt számolás az alábbi */ if ((temp2 > bp_end) && (wp > bp_end)) { temp2 = bp_end + (temp2 - bp_end) * (wp_end - bp_end) / (wp - bp_end); } /* itt a bp fekete pontot is fel kell szorozni a következő számításhoz, */ /* mert a bp_end -től viszonyítva nyújtjuk a skálát jobbra a fehér irányába */ /* és ezért elmászik a bp */ temp3 = 0; if (wp > bp_end) { temp3 = bp_end + (bp - bp_end) * (wp_end - bp_end) / (wp - bp_end); } if ((temp2 < wp_end) && (wp_end != temp3)) { temp2 = wp_end - (wp_end - temp2) * (wp_end - bp_end) / (wp_end - temp3); } /*az 'if' utasításoknál mindenhol vizsgálom hogy ne lehessen nullával való osztás */ if (temp2 > 1){ temp2 = 1; } if (temp2 < 0){ temp2 = 0; } cc = (long)(temp2 * 255); #ifdef __OPENMP__ N = omp_get_thread_num(); #else N = 0; #endif hist2n[cc + N*256] += hist1[i1]; } /* this is a replacement code for arrays for multi processing */ #ifdef __OPENMP__ #pragma omp parallel for private(i1, i2) num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ for (i2=0; i2 gamma_weight_mid_all / 2){ flag1 = 1; gamma_weight_mid = i1; } } } gamma_weight_mid = gamma_weight_low / 255; gamma_mid = 1; gamma_mid = log(gamma_interval_mid) / log(gamma_weight_mid); if (gamma_mid < (1/gamma_max)){ gamma_mid = (1/gamma_max); } if (gamma_mid > gamma_max){ gamma_mid = gamma_max; } */ /* Convert CONTRAST Histogram using MID GAMMA VALUE */ /* for (i1=0; i1<256; i1++){ temp2 = i1; temp2 = pow(temp2 / 255, gamma_mid) * 255; i2 = (long)temp2; if (i2 > 255){ i2 = 255; } if (i2 < 0){ i2 = 0; } hist2b[i2] = hist2b[i2] + hist2[i1]; } */ /* Hisztogramm súlyának megállapítása */ gamma_weight_low_all = 0; gamma_weight_high_all = 0; #ifdef __OPENMP__ #pragma omp parallel for reduction(+:gamma_weight_low_all) num_threads(max_threads2) #endif for (i1=0; i1<128; i1++){ gamma_weight_low_all += hist2[i1]; } #ifdef __OPENMP__ #pragma omp parallel for reduction(+:gamma_weight_high_all) num_threads(max_threads2) #endif for (i1=128; i1<256; i1++){ gamma_weight_high_all += hist2[i1]; } /* Hisztogramm súlypont megállapítása */ i3 = 0; flag1 = 0; gamma_weight_low = 0; for (i1=0; i1<128; i1++){ i3 = i3 + hist2[i1]; if (flag1 == 0){ if (i3 > gamma_weight_low_all / 2){ flag1 = 1; gamma_weight_low = i1; } } } i3 = 0; flag1 = 0; gamma_weight_high = 0; for (i1=128; i1<256; i1++){ i3 = i3 + hist2[i1]; if (flag1 == 0){ if (i3 > gamma_weight_high_all / 2){ flag1 = 1; gamma_weight_high = i1; } } } gamma_weight_low = gamma_weight_low / 255; gamma_weight_high = gamma_weight_high / 255; /* Súlypont eltolás szükségességének megállapítása */ gamma_low = 1; gamma_high = 1; /* gammát csak egyírányban toljuk el, */ /* vagyis csak világosítunk ha szükséges, de soha sem sötétítünk */ if (gamma_weight_low < gamma_interval_low){ gamma_low = log(gamma_interval_low) / log(gamma_weight_low); } if (gamma_weight_high > gamma_interval_high){ gamma_high = log(gamma_interval_high) / log(gamma_weight_high); } if (gamma_low < (1/gamma_max)){ gamma_low = (1/gamma_max); } if (gamma_low > gamma_max){ gamma_low = gamma_max; } if (gamma_high < (1/gamma_max)){ gamma_high = (1/gamma_max); } if (gamma_high > gamma_max){ gamma_high = gamma_max; } /* ------------------------------------------------------------------------------ */ /* Recalculate the RGB values by setting the CONTRAST, COLOR BALANCE and GAMMA */ /* ------------------------------------------------------------------------------ */ /* Kép színeinek újrakalkulálása (kontraszt, színegyensúly és gamma korrekció) */ /* A kép összes pontja újrakalkulálódik és visszaíródik a pufferba */ /* A gamma állításnál a kép színének RGB-jét a gammához mérten nem külön */ /* színcsatornánként, hanem a fényerejükhöz mérten egyben vannnak állítva */ /* A gamma úgy állítódik, hogy a súlypont el van tolva 128-ba */ /* (tehát ha kisebb az értéke akkor növekszik, ha nagyobb, akkor meg csökken) */ /* és ez magával húzza nyújtásos módon arányosan a közép színeket */ /* a 128 irányába */ #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2, col_r, col_g, col_b, col_r2, col_g2, col_b2, temp2, temp3, cc, H, S, L, N) num_threads(max_threads2) #endif for (y=0; y<=bh-1; y++){ addr2 = y * bw * 3 + y * addr_offset; for (x=0; x<=bw-1; x++){ addr = addr2 + x * 3; /* apply changes ONLY on selected area of the image */ if ((apply_on_selection == 0) || ((apply_on_selection) && (x >= x1 && x <= x2 && y >= y1 && y <= y2))) { col_r2 = image_buffer[addr + 0]; col_g2 = image_buffer[addr + 1]; col_b2 = image_buffer[addr + 2]; col_r2 /= 255; col_g2 /= 255; col_b2 /= 255; /* CONTRAST SHIFT AND COLOR BALANCE */ /* bp_end-től és wp_end-től viszonyított bp-ből és wp-ből húzással a kontraszt számolás az alábbi */ if ((col_r2 > bp_r_end) && (wp_r > bp_r_end)) { col_r2 = bp_r_end + (col_r2 - bp_r_end) * (wp_r_end - bp_r_end) / (wp_r - bp_r_end); } if ((col_g2 > bp_g_end) && (wp_g > bp_g_end)) { col_g2 = bp_g_end + (col_g2 - bp_g_end) * (wp_g_end - bp_g_end) / (wp_g - bp_g_end); } if ((col_b2 > bp_b_end) && (wp_b > bp_b_end)) { col_b2 = bp_b_end + (col_b2 - bp_b_end) * (wp_b_end - bp_b_end) / (wp_b - bp_b_end); } /* itt a bp fekete pontot is fel kell szorozni a következő számításhoz, */ /* mert a bp_end -től viszonyítva nyújtjuk a skálát jobbra a fehér irányába */ /* és ezért elmászik a bp */ temp3 = 0; if (wp_r > bp_r_end) { temp3 = bp_r_end + (bp_r - bp_r_end) * (wp_r_end - bp_r_end) / (wp_r - bp_r_end); } if ((col_r2 < wp_r_end) && (wp_r_end != temp3)) { col_r2 = wp_r_end - (wp_r_end - col_r2) * (wp_r_end - bp_r_end) / (wp_r_end - temp3); } temp3 = 0; if (wp_g > bp_g_end) { temp3 = bp_g_end + (bp_g - bp_g_end) * (wp_g_end - bp_g_end) / (wp_g - bp_g_end); } if ((col_g2 < wp_g_end) && (wp_g_end != temp3)) { col_g2 = wp_g_end - (wp_g_end - col_g2) * (wp_g_end - bp_g_end) / (wp_g_end - temp3); } temp3 = 0; if (wp_b > bp_b_end) { temp3 = bp_b_end + (bp_b - bp_b_end) * (wp_b_end - bp_b_end) / (wp_b - bp_b_end); } if ((col_b2 < wp_b_end) && (wp_b_end != temp3)) { col_b2 = wp_b_end - (wp_b_end - col_b2) * (wp_b_end - bp_b_end) / (wp_b_end - temp3); } /* határérték ellenőrzés és visszaírás */ if (col_r2 > 1){ col_r2 = 1; } if (col_g2 > 1){ col_g2 = 1; } if (col_b2 > 1){ col_b2 = 1; } if (col_r2 < 0){ col_r2 = 0; } if (col_g2 < 0){ col_g2 = 0; } if (col_b2 < 0){ col_b2 = 0; } /* GAMMA CORRECTION */ /* megjegyzés: ez a gamma felhúzásos módszer színesebb végeredményt ad */ /* mint amelyiknél külön - külön toljuk a színeket, nem arányosan */ temp2 = (col_r2 + col_g2 + col_b2) / 3; cc = (long)(temp2 * 255); /*temp2 = pow(temp2 / 255, gamma_mid) * 255; */ if (temp2 <= 0.5){ temp3 = pow(temp2 * 2, gamma_low) / 2; } else{ temp3 = pow((temp2 - 0.5) * 2, gamma_high) / 2 + 0.5; } /*temp3 = pow(temp2 / 255, gamma_exp) * 255; */ if (temp2 < temp3){ if (temp2 < 1){ if (temp2 > 0){ col_r2 = ((1 - (1 - col_r2) * (1 - temp3) / (1 - temp2)) + (col_r2 * temp3 / temp2)) / 2; col_g2 = ((1 - (1 - col_g2) * (1 - temp3) / (1 - temp2)) + (col_g2 * temp3 / temp2)) / 2; col_b2 = ((1 - (1 - col_b2) * (1 - temp3) / (1 - temp2)) + (col_b2 * temp3 / temp2)) / 2; } } } else{ if (temp2 > 0){ col_r2 = col_r2 * temp3 / temp2; col_g2 = col_g2 * temp3 / temp2; col_b2 = col_b2 * temp3 / temp2; } } /* határérték ellenőrzés és visszaírás */ if (col_r2 > 1){ col_r2 = 1; } if (col_g2 > 1){ col_g2 = 1; } if (col_b2 > 1){ col_b2 = 1; } if (col_r2 < 0){ col_r2 = 0; } if (col_g2 < 0){ col_g2 = 0; } if (col_b2 < 0){ col_b2 = 0; } col_r = (long)(col_r2 * 255); col_g = (long)(col_g2 * 255); col_b = (long)(col_b2 * 255); image_buffer[addr + 0] = col_r & 0xff; image_buffer[addr + 1] = col_g & 0xff; image_buffer[addr + 2] = col_b & 0xff; /* Build up Histogram for SATURATION */ if (x >= x1 && x <= x2 && y >= y1 && y <= y2) { double H, S, L; RGB_TO_HSL (col_r2, col_g2, col_b2, &H, &S, &L); /* Az 'S' értékét a szürke egyenes közepétől távolodva kisebbnek veszem itt, */ /* mert az optikailag egyre kevésbé tűnik színesnek, */ /* és ennél a résznél optikailag vizsgálok */ if (L > 0.5) { L = 1 - L; } S = S * L * 2; /* Ha S = 0, vagyis szürke a szín, akkor nem adom hozzá */ /* a színtelítettség hisztogramjához értelemszerűen */ if (S > 0) { cc = (long)(S * 255); #ifdef __OPENMP__ N = omp_get_thread_num(); #else N = 0; #endif hist_saturn[cc + N*256]++; } } } } } /* this is a replacement code for arrays for multi processing */ #ifdef __OPENMP__ #pragma omp parallel for private(i1, i2) num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ for (i2=0; i2=0; i1--){ hist_satur_avg += hist_satur[i1]; } hist_satur_avg = hist_satur_avg / 255; /* levágási limit megállapítása, ez az átlag 10%-a bevált a kontrasztnál is, ezzel az értékkel megfelelően állítja be önmagát a hisztogram, és a megfelelő nagyságú szélek esnek le */ temp1 = hist_satur_avg * 0.1; /* Hisztogram szélének keresése a színek felhúzásához */ i3 = 0; flag1 = 0; for (i1=255; i1>=0; i1--){ if (flag1 == 0){ if (hist_satur[i1] >= temp1){ flag1 = 1; i3 = i1; } } } hist_satur_low = (double)(i3) / 255; /* Határérték ellenőrzés */ hist_satur_ok = 1; if (hist_satur_low > satur_max){ hist_satur_low = satur_max; } if (hist_satur_low > 0){ hist_satur_ok = log(satur_max) / log(hist_satur_low); } /* run saturation recalculation only if necessary */ if (hist_satur_ok != 1){ #ifdef __OPENMP__ #pragma omp parallel for private(x, y, addr, addr2, col_r, col_g, col_b, col_r2, col_g2, col_b2, H, S, L, cc, N) num_threads(max_threads2) #endif for (y=0; y<=bh-1; y++){ addr2 = y * bw * 3 + y * addr_offset; for (x=0; x<=bw-1; x++){ double S_new; double S_diff; addr = addr2 + x * 3; /* apply changes ONLY on selected area of the image */ if ((apply_on_selection == 0) || ((apply_on_selection) && (x >= x1 && x <= x2 && y >= y1 && y <= y2))) { col_r2 = image_buffer[addr + 0]; col_g2 = image_buffer[addr + 1]; col_b2 = image_buffer[addr + 2]; col_r2 = col_r2 / 255; col_g2 = col_g2 / 255; col_b2 = col_b2 / 255; RGB_TO_HSL (col_r2, col_g2, col_b2, &H, &S, &L); /* szín telítettségének hatványos emelése a gammához hasonlóan, vagyis hatványra emelem az eredeti színtelítettség értékét, és beszorzom a 0.5-től való távolságának kétszeresével, hogy a 0.5 pontban lévők maximálisan nővekedjenek, míg az ettől távolabbra lévők egyre kevesebb mértékben, a 0 és 1 helyen lévők pedig semennyire, másképpen fogalmazva, exponenciálisan állítom, de úgy, hogy a közepéhez közelebb lévők jobban állítódjanak, míg az ettől egyre távolabb esők kevésbé - erre azért van így szükség, mert a sima hatványra emelésnél túl drasztikus a görbe és az alsóbb részei a hisztogramnak is túl nagyot ugranak, így viszont megfelelő lesz a változás, mindegy mekkora az. */ if (hist_satur_ok != 1){ S_new = pow(S, hist_satur_ok); S_diff = 1 - (fabs(0.5 - S) * 2); S = (S_new - S) * S_diff + S; } HSL_TO_RGB (H, S, L, &col_r2, &col_g2, &col_b2); col_r = (long)(col_r2 * 255); col_g = (long)(col_g2 * 255); col_b = (long)(col_b2 * 255); image_buffer[addr + 0] = col_r & 0xff; image_buffer[addr + 1] = col_g & 0xff; image_buffer[addr + 2] = col_b & 0xff; /*Mellékesen a legvégső Hisztogram létrehozása is */ cc = (long)((double)(col_r + col_g + col_b) / 3); /*hist3[cc]++; */ /* this is a replacement code for arrays for multi processing */ #ifdef __OPENMP__ N = omp_get_thread_num(); #else N = 0; #endif hist3n[cc + N*256]++; } } } /* this is a replacement code for arrays for multi processing */ #ifdef __OPENMP__ #pragma omp parallel for private(i1, i2) num_threads(max_threads2) #endif for (i1=0; i1<256; i1++){ for (i2=0; i2> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } /* Hisztogrammok kirajzolása */ if ((xm >= 0) && (xm <= 255)) { double rad, outline, pi; /* 1. hisztogramm: EREDETI KÉP ÁLLAPOTA KONTRASZT ÁLLÍTÁSSAL*/ if (ym <= 99) { i2 = hist1[xm] * 99 / hist1_max; xma1 = (long)(bp * 255); xmb1 = (long)(wp * 255); xma2 = (long)(bp_end * 255); xmb2 = (long)(wp_end * 255); /* show the average limit with a horizontal line */ if (y == (99 - (long)(hist_cut_limit) * 99 / hist_max)){ col = color_yellow; } else{ if (99 - ym >= i2) { if (((xm > xma2) && (xm < xma1)) || ((xm < xmb2) && (xm > xmb1))) { col = color_brown; } else { col = color_black; } } else { col = color_green; } } if (xm == xma1) { col = color_white; } if (xm == xmb1) { col = color_white; } image_buffer[addr + 2] = (col >> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } /* 2. hisztogramm: KONTRASZT UTÁN GAMMA ÁLLÍTÁSSAL */ if ((ym >= 100) && (ym <= 199)) { i2 = hist2[xm] * 99 / hist2_max; xma1 = (long)(gamma_weight_low * 255); xmb1 = (long)(gamma_weight_high * 255); xma2 = (long)(gamma_interval_low * 255); xmb2 = (long)(gamma_interval_high * 255); if (199 - ym >= i2) { if ((xm < xma2) && (xm > xma1)) { col = color_brown; } else{ /* vörössel jelölöm barna helyett, hogy ez vissza irányú gamma állítás lenne, ez viszont nem kerül számításra */ if ((xm > xma2) && (xm < xma1)) { col = color_red; } else{ col = color_black; } } } else { col = color_green; } /* Gamma alsó súlypont */ if (xm == xma1) { col = color_white; } /* Gamma felső súlypont */ /* if (xm == (long)(gamma_weight_high * 255)) { col = color_white; }*/ image_buffer[addr + 2] = (col >> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } /* 3. hisztogramm SZÍNTELÍTETTSÉG ÁLLÍTÁSSAL */ if ((ym >= 200) && (ym <= 299)) { i2 = hist_satur[xm] * 99 / histS_max; xma1 = (long)((hist_satur_low)* 255); xma2 = (long)(satur_max * 255); if (299 - ym >= i2) { if (((xm < xma2) && (xm > xma1)) || ((xm > xma2) && (xm < xma1))) { col = color_brown; } else{ col = color_black; } } else { col = color_blue; } if (xm == xma1) { col = color_white; } image_buffer[addr + 2] = (col >> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } /* 4. hisztogramm: KONTRASZT, GAMMA és SZÍNTELÍTETTSÉG UTÁN (VÉGSŐ) */ if ((ym >= 300) && (ym <= 399)) { i2 = hist3[xm] * 99 / hist3_max; if (399 - ym >= i2) { col = color_black; } else { col = color_green; } image_buffer[addr + 2] = (col >> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } /* 5. Fekete és fehér pont színirányának kirajzolása egy körbe */ /* konstans a kör sugarához */ rad = 100; /* konstans a körvonal vastagságához */ outline = 10; /* pi értéke */ pi = 3.1415926535897932; if ((ym >= 400) && (ym <= 400+rad*2)) { double rr, rx, ry; rx = xm - rad; ry = ym - 400 - rad; rr = sqrt(rx*rx + ry*ry); /* KÖRÍV MEGRAJZOLÁSA */ if ((rr <= rad) && (rr >= rad-outline)) { H = 0; if ((rx >= 0) && (ry < 0)) { H = asin( rx / rr) / pi / 2 + 0.00; } if ((rx >= 0) && (ry >= 0)) { H = asin( ry / rr) / pi / 2 + 0.25; } if ((rx < 0) && (ry >= 0)) { H = asin(-rx / rr) / pi / 2 + 0.50; } if ((rx < 0) && (ry < 0)) { H = asin(-ry / rr) / pi / 2 + 0.75; } S = 1; L = 0.5; L = rad - rr; if (L > outline / 2) { L = outline - L; } L = L / outline; HSL_TO_RGB (H, S, L, &col_r2, &col_g2, &col_b2); col_r = (long)(col_r2 * 255); col_g = (long)(col_g2 * 255); col_b = (long)(col_b2 * 255); image_buffer[addr + 0] = col_r & 0xff; image_buffer[addr + 1] = col_g & 0xff; image_buffer[addr + 2] = col_b & 0xff; } else { double px, py, lx, ly, d; col = color_black; px = 0; py = 0; lx = 0; ly = 0; /* FEKETE PONT SZÍNIRÁNYA EGYENESÉNEK MEGHÚZÁSA */ /* Szürke pontnál nem jelenik meg egyenes a körben */ RGB_TO_HSL (bp_r, bp_g, bp_b, &H, &S, &L); if ((H >= 0.00) && (H < 0.25)) { lx = sin((H - 0.00) * 2 * pi) * rr; ly = cos((H - 0.00) * 2 * pi) * rr; } if ((H >= 0.25) && (H < 0.50)) { lx = cos((H - 0.25) * 2 * pi) * rr; ly = -sin((H - 0.25) * 2 * pi) * rr; } if ((H >= 0.50) && (H < 0.75)) { lx = -sin((H - 0.50) * 2 * pi) * rr; ly = -cos((H - 0.50) * 2 * pi) * rr; } if ((H >= 0.75) && (H < 1.00)) { lx = -cos((H - 0.75) * 2 * pi) * rr; ly = sin((H - 0.75) * 2 * pi) * rr; } px = lx * S; py = ly * S; d = ly * rx + lx * ry; d = d / sqrt(lx * lx + ly * ly); if (d < 0) { d = 0 - d; } if ((d < 1) && (rr < rad) && (sgn(rx) == sgn(px)) && (sgn(ry) == -sgn(py))) { if (rr < rad * S) { col = color_white; } else { col = color_gray; } } /* FEHÉR PONT SZÍNIRÁNYA EGYENESÉNEK MEGHÚZÁSA */ RGB_TO_HSL (wp_r, wp_g, wp_b, &H, &S, &L); if ((H >= 0.00) && (H < 0.25)) { lx = sin((H - 0.00) * 2 * pi) * rr; ly = cos((H - 0.00) * 2 * pi) * rr; } if ((H >= 0.25) && (H < 0.50)) { lx = cos((H - 0.25) * 2 * pi) * rr; ly = -sin((H - 0.25) * 2 * pi) * rr; } if ((H >= 0.50) && (H < 0.75)) { lx = -sin((H - 0.50) * 2 * pi) * rr; ly = -cos((H - 0.50) * 2 * pi) * rr; } if ((H >= 0.75) && (H < 1.00)) { lx = -cos((H - 0.75) * 2 * pi) * rr; ly = sin((H - 0.75) * 2 * pi) * rr; } px = lx * S; py = ly * S; d = ly * rx + lx * ry; d = d / sqrt(lx * lx + ly * ly); if (d < 0) { d = 0 - d; } if ((d < 1) && (rr < rad) && (sgn(rx) == sgn(px)) && (sgn(ry) == -sgn(py))) { if (rr < rad * S) { col = color_white; } else { col = color_gray; } } image_buffer[addr + 2] = (col >> 0) & 0xff; image_buffer[addr + 1] = (col >> 8) & 0xff; image_buffer[addr + 0] = (col >> 16) & 0xff; } } } } } } exit: if (hist_saturn){ free (hist_saturn); } if (hist1n) { free (hist1n); } if (hist2n) { free (hist2n); } if (hist3n) { free (hist3n); } if (col_r3n) { free (col_r3n); } if (col_g3n) { free (col_g3n); } if (col_b3n) { free (col_b3n); } } /* ------------------------------ */ /* ----- MAIN AARGB ENTRIES ----- */ /* ------------------------------ */ void AARGB_NORMAL( unsigned char *image_buffer, int image_width, int image_height) { AARGB_MAIN( image_buffer, image_width, image_height, 0, 0, image_width-1, image_height-1, 0, 0, 0); } void AARGB_NORMAL_SEL( unsigned char *image_buffer, int image_width, int image_height, int x1, int y1, int x2, int y2, int apply_on_selection) { AARGB_MAIN( image_buffer, image_width, image_height, x1, y1, x2, y2, 0, apply_on_selection, 0); } void AARGB_DIB( unsigned char *image_buffer, int image_width, int image_height) { AARGB_MAIN( image_buffer, image_width, image_height, 0, 0, image_width-1, image_height-1, 1, 0, 0); } void AARGB_DIB_SEL( unsigned char *image_buffer, int image_width, int image_height, int x1, int y1, int x2, int y2, int apply_on_selection) { AARGB_MAIN( image_buffer, image_width, image_height, x1, y1, x2, y2, 1, apply_on_selection, 0); } void AARGB_BMP( unsigned char *image_buffer) { long f_bm; long f_bitcount; long f_compressed; long f_offs; long f_width; long f_height; f_bm = 0; f_bm += image_buffer[0] << 0; f_bm += image_buffer[1] << 8; f_bitcount = 0; f_bitcount += image_buffer[28] << 0; f_bitcount += image_buffer[29] << 8; f_compressed = 0; f_compressed += image_buffer[30] << 0; f_compressed += image_buffer[31] << 8; f_compressed += image_buffer[32] << 16; f_compressed += image_buffer[33] << 24; if ((f_bm == 0x00004d42) && (f_bitcount == 24) && (f_compressed == 0)) { f_offs = 0; f_offs += image_buffer[10] << 0; f_offs += image_buffer[11] << 8; f_offs += image_buffer[12] << 16; f_offs += image_buffer[13] << 24; f_width = 0; f_width += image_buffer[18] << 0; f_width += image_buffer[19] << 8; f_width += image_buffer[20] << 16; f_width += image_buffer[21] << 24; f_height = 0; f_height += image_buffer[22] << 0; f_height += image_buffer[23] << 8; f_height += image_buffer[24] << 16; f_height += image_buffer[25] << 24; AARGB_MAIN( image_buffer + f_offs, f_width, f_height, 0, 0, f_width-1, f_height-1, 2, 0, 0); } } void AARGB_BMP_SEL( unsigned char *image_buffer, int x1, int y1, int x2, int y2, int apply_on_selection) { long f_bm; long f_bitcount; long f_compressed; long f_offs; long f_width; long f_height; f_bm = 0; f_bm += image_buffer[0] << 0; f_bm += image_buffer[1] << 8; f_bitcount = 0; f_bitcount += image_buffer[28] << 0; f_bitcount += image_buffer[29] << 8; f_compressed = 0; f_compressed += image_buffer[30] << 0; f_compressed += image_buffer[31] << 8; f_compressed += image_buffer[32] << 16; f_compressed += image_buffer[33] << 24; if ((f_bm == 0x00004d42) && (f_bitcount == 24) && (f_compressed == 0)) { f_offs = 0; f_offs += image_buffer[10] << 0; f_offs += image_buffer[11] << 8; f_offs += image_buffer[12] << 16; f_offs += image_buffer[13] << 24; f_width = 0; f_width += image_buffer[18] << 0; f_width += image_buffer[19] << 8; f_width += image_buffer[20] << 16; f_width += image_buffer[21] << 24; f_height = 0; 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