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You may also peek at any GNU archive site, in case some other package would contain this missing \`$1' program." exit 1 ;; esac exit 0 # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: pdfcube-0.0.5/README0000664000175000017500000000414011734431174010733 00000000000000= PDFCube 0.0.5 = PDFCube renders PDF presentations with special 3D effects. It adds eye-candy to your PDF presentations, specially Latex, Beamer and Prosper ones. Please see the man page for usage information. You'll need an OpenGL DRI enabled Xorg. GPL ATI 9250 driver is OK, i've not tested other cards but had feedback from many users on the net about a wide range of cards. This is alpha software (and right now it's a quick hack too), but once you manage to get it working it's fairly stable and usable. If you want to hack on the code feel free to contact me at either via mail or via jabber. == BUGS == This program is intended to present landscape PDF files on 4:3 projection screen, it is not suited to view generic PDF files. If you try to view portrait files you'll see only the top of each page. This is not so strange since this program is not intended as a generic PDF viewer but as a specific presentation tool. There is a little glitch in the animation when going back with cube animation. I hope is not too annoying. If you experience other glitches it's probably due to some compositing software (KDE Kwin, Compiz or others) this is a limitation in Xorg and the graphic drivers: you can only have one OpenGL accelerated application at a time. Try disabling the wm effects. With some older versions of libpoppler there are some rendering errors, this should be solved by recent poppler releases. == Conditional compilation macros and Dependencies == You can define NDEBUG to get rid of debug output. You can try ENABLE_FOG if you like, the default is to have it off. * Linux/BSD with Xorg * Poppler (>=0.5.4 recommended) (Debian/Ubuntu package: libpoppler-dev libpoppler-glib-dev) * GtkGlExt (Debian/Ubuntu package: libgtkglext1-dev) * Boost C++ Program Option Library == Contact information == Feel free to write to == Word of Mouth == If you like this project please support by voting on this sites or blogging it: * http://freshmeat.net/projects/pdfcube * http://www.gnomefiles.org/app.php/PDF_Cube Happy Hacking - Mirko Maischberger pdfcube-0.0.5/Makefile.in0000664000175000017500000005411611776313624012135 00000000000000# Makefile.in generated by automake 1.11.3 from Makefile.am. # @configure_input@ # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, # 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software # Foundation, Inc. # This Makefile.in is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. @SET_MAKE@ VPATH = @srcdir@ pkgdatadir = $(datadir)/@PACKAGE@ pkgincludedir = $(includedir)/@PACKAGE@ pkglibdir = $(libdir)/@PACKAGE@ pkglibexecdir = $(libexecdir)/@PACKAGE@ am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd install_sh_DATA = $(install_sh) -c -m 644 install_sh_PROGRAM = $(install_sh) -c install_sh_SCRIPT = $(install_sh) -c INSTALL_HEADER = $(INSTALL_DATA) transform = $(program_transform_name) NORMAL_INSTALL = : PRE_INSTALL = : POST_INSTALL = : NORMAL_UNINSTALL = : PRE_UNINSTALL = : POST_UNINSTALL = : subdir = . 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The `configure' shell script attempts to guess correct values for various system-dependent variables used during compilation. It uses those values to create a `Makefile' in each directory of the package. It may also create one or more `.h' files containing system-dependent definitions. Finally, it creates a shell script `config.status' that you can run in the future to recreate the current configuration, a file `config.cache' that saves the results of its tests to speed up reconfiguring, and a file `config.log' containing compiler output (useful mainly for debugging `configure'). If you need to do unusual things to compile the package, please try to figure out how `configure' could check whether to do them, and mail diffs or instructions to the address given in the `README' so they can be considered for the next release. If at some point `config.cache' contains results you don't want to keep, you may remove or edit it. The file `configure.in' is used to create `configure' by a program called `autoconf'. You only need `configure.in' if you want to change it or regenerate `configure' using a newer version of `autoconf'. The simplest way to compile this package is: 1. `cd' to the directory containing the package's source code and type `./configure' to configure the package for your system. If you're using `csh' on an old version of System V, you might need to type `sh ./configure' instead to prevent `csh' from trying to execute `configure' itself. Running `configure' takes awhile. While running, it prints some messages telling which features it is checking for. 2. Type `make' to compile the package. 3. Optionally, type `make check' to run any self-tests that come with the package. 4. Type `make install' to install the programs and any data files and documentation. 5. You can remove the program binaries and object files from the source code directory by typing `make clean'. To also remove the files that `configure' created (so you can compile the package for a different kind of computer), type `make distclean'. There is also a `make maintainer-clean' target, but that is intended mainly for the package's developers. If you use it, you may have to get all sorts of other programs in order to regenerate files that came with the distribution. Compilers and Options ===================== Some systems require unusual options for compilation or linking that the `configure' script does not know about. You can give `configure' initial values for variables by setting them in the environment. Using a Bourne-compatible shell, you can do that on the command line like this: CC=c89 CFLAGS=-O2 LIBS=-lposix ./configure Or on systems that have the `env' program, you can do it like this: env CPPFLAGS=-I/usr/local/include LDFLAGS=-s ./configure Compiling For Multiple Architectures ==================================== You can compile the package for more than one kind of computer at the same time, by placing the object files for each architecture in their own directory. To do this, you must use a version of `make' that supports the `VPATH' variable, such as GNU `make'. `cd' to the directory where you want the object files and executables to go and run the `configure' script. `configure' automatically checks for the source code in the directory that `configure' is in and in `..'. If you have to use a `make' that does not supports the `VPATH' variable, you have to compile the package for one architecture at a time in the source code directory. After you have installed the package for one architecture, use `make distclean' before reconfiguring for another architecture. Installation Names ================== By default, `make install' will install the package's files in `/usr/local/bin', `/usr/local/man', etc. You can specify an installation prefix other than `/usr/local' by giving `configure' the option `--prefix=PATH'. You can specify separate installation prefixes for architecture-specific files and architecture-independent files. If you give `configure' the option `--exec-prefix=PATH', the package will use PATH as the prefix for installing programs and libraries. Documentation and other data files will still use the regular prefix. In addition, if you use an unusual directory layout you can give options like `--bindir=PATH' to specify different values for particular kinds of files. Run `configure --help' for a list of the directories you can set and what kinds of files go in them. If the package supports it, you can cause programs to be installed with an extra prefix or suffix on their names by giving `configure' the option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. Optional Features ================= Some packages pay attention to `--enable-FEATURE' options to `configure', where FEATURE indicates an optional part of the package. They may also pay attention to `--with-PACKAGE' options, where PACKAGE is something like `gnu-as' or `x' (for the X Window System). The `README' should mention any `--enable-' and `--with-' options that the package recognizes. For packages that use the X Window System, `configure' can usually find the X include and library files automatically, but if it doesn't, you can use the `configure' options `--x-includes=DIR' and `--x-libraries=DIR' to specify their locations. Specifying the System Type ========================== There may be some features `configure' can not figure out automatically, but needs to determine by the type of host the package will run on. Usually `configure' can figure that out, but if it prints a message saying it can not guess the host type, give it the `--host=TYPE' option. TYPE can either be a short name for the system type, such as `sun4', or a canonical name with three fields: CPU-COMPANY-SYSTEM See the file `config.sub' for the possible values of each field. If `config.sub' isn't included in this package, then this package doesn't need to know the host type. If you are building compiler tools for cross-compiling, you can also use the `--target=TYPE' option to select the type of system they will produce code for and the `--build=TYPE' option to select the type of system on which you are compiling the package. Sharing Defaults ================ If you want to set default values for `configure' scripts to share, you can create a site shell script called `config.site' that gives default values for variables like `CC', `cache_file', and `prefix'. `configure' looks for `PREFIX/share/config.site' if it exists, then `PREFIX/etc/config.site' if it exists. Or, you can set the `CONFIG_SITE' environment variable to the location of the site script. A warning: not all `configure' scripts look for a site script. Operation Controls ================== `configure' recognizes the following options to control how it operates. `--cache-file=FILE' Use and save the results of the tests in FILE instead of `./config.cache'. Set FILE to `/dev/null' to disable caching, for debugging `configure'. `--help' Print a summary of the options to `configure', and exit. `--quiet' `--silent' `-q' Do not print messages saying which checks are being made. To suppress all normal output, redirect it to `/dev/null' (any error messages will still be shown). `--srcdir=DIR' Look for the package's source code in directory DIR. Usually `configure' can determine that directory automatically. `--version' Print the version of Autoconf used to generate the `configure' script, and exit. `configure' also accepts some other, not widely useful, options. pdfcube-0.0.5/install-sh0000755000175000017500000003325611776313623012073 00000000000000#!/bin/sh # install - install a program, script, or datafile scriptversion=2011-01-19.21; # UTC # This originates from X11R5 (mit/util/scripts/install.sh), which was # later released in X11R6 (xc/config/util/install.sh) with the # following copyright and license. # # Copyright (C) 1994 X Consortium # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to # deal in the Software without restriction, including without limitation the # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or # sell copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in # all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC- # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. # # Except as contained in this notice, the name of the X Consortium shall not # be used in advertising or otherwise to promote the sale, use or other deal- # ings in this Software without prior written authorization from the X Consor- # tium. # # # FSF changes to this file are in the public domain. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. nl=' ' IFS=" "" $nl" # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit=${DOITPROG-} if test -z "$doit"; then doit_exec=exec else doit_exec=$doit fi # Put in absolute file names if you don't have them in your path; # or use environment vars. chgrpprog=${CHGRPPROG-chgrp} chmodprog=${CHMODPROG-chmod} chownprog=${CHOWNPROG-chown} cmpprog=${CMPPROG-cmp} cpprog=${CPPROG-cp} mkdirprog=${MKDIRPROG-mkdir} mvprog=${MVPROG-mv} rmprog=${RMPROG-rm} stripprog=${STRIPPROG-strip} posix_glob='?' initialize_posix_glob=' test "$posix_glob" != "?" || { if (set -f) 2>/dev/null; then posix_glob= else posix_glob=: fi } ' posix_mkdir= # Desired mode of installed file. mode=0755 chgrpcmd= chmodcmd=$chmodprog chowncmd= mvcmd=$mvprog rmcmd="$rmprog -f" stripcmd= src= dst= dir_arg= dst_arg= copy_on_change=false no_target_directory= usage="\ Usage: $0 [OPTION]... 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Create the # directory the slow way, step by step, checking for races as we go. case $dstdir in /*) prefix='/';; [-=\(\)!]*) prefix='./';; *) prefix='';; esac eval "$initialize_posix_glob" oIFS=$IFS IFS=/ $posix_glob set -f set fnord $dstdir shift $posix_glob set +f IFS=$oIFS prefixes= for d do test X"$d" = X && continue prefix=$prefix$d if test -d "$prefix"; then prefixes= else if $posix_mkdir; then (umask=$mkdir_umask && $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break # Don't fail if two instances are running concurrently. test -d "$prefix" || exit 1 else case $prefix in *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; *) qprefix=$prefix;; esac prefixes="$prefixes '$qprefix'" fi fi prefix=$prefix/ done if test -n "$prefixes"; then # Don't fail if two instances are running concurrently. (umask $mkdir_umask && eval "\$doit_exec \$mkdirprog $prefixes") || test -d "$dstdir" || exit 1 obsolete_mkdir_used=true fi fi fi if test -n "$dir_arg"; then { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 else # Make a couple of temp file names in the proper directory. dsttmp=$dstdir/_inst.$$_ rmtmp=$dstdir/_rm.$$_ # Trap to clean up those temp files at exit. trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 # Copy the file name to the temp name. (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && # and set any options; do chmod last to preserve setuid bits. # # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $cpprog $src $dsttmp" command. # { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && # If -C, don't bother to copy if it wouldn't change the file. if $copy_on_change && old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && eval "$initialize_posix_glob" && $posix_glob set -f && set X $old && old=:$2:$4:$5:$6 && set X $new && new=:$2:$4:$5:$6 && $posix_glob set +f && test "$old" = "$new" && $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 then rm -f "$dsttmp" else # Rename the file to the real destination. $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || # The rename failed, perhaps because mv can't rename something else # to itself, or perhaps because mv is so ancient that it does not # support -f. { # Now remove or move aside any old file at destination location. # We try this two ways since rm can't unlink itself on some # systems and the destination file might be busy for other # reasons. In this case, the final cleanup might fail but the new # file should still install successfully. { test ! -f "$dst" || $doit $rmcmd -f "$dst" 2>/dev/null || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } } || { echo "$0: cannot unlink or rename $dst" >&2 (exit 1); exit 1 } } && # Now rename the file to the real destination. $doit $mvcmd "$dsttmp" "$dst" } fi || exit 1 trap '' 0 fi done # Local variables: # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: pdfcube-0.0.5/pdfcube.desktop0000664000175000017500000000042011734431174013053 00000000000000[Desktop Entry] Name=PDFCube Presentation Viewer Name[it]=Visualizzatore di presentazione PDFCube TryExec=pdfcube Exec=pdfcube %U StartupNotify=true Terminal=false Type=Application Icon=pdfcube Categories=GNOME;GTK;Graphics;VectorGraphics;Viewer; MimeType=application/pdf pdfcube-0.0.5/COPYING0000664000175000017500000004311011734431174011106 00000000000000 GNU GENERAL PUBLIC LICENSE Version 2, June 1991 Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble The licenses for most software are designed to take away your freedom to share and change it. By contrast, the GNU General Public License is intended to guarantee your freedom to share and change free software--to make sure the software is free for all its users. This General Public License applies to most of the Free Software Foundation's software and to any other program whose authors commit to using it. (Some other Free Software Foundation software is covered by the GNU Library General Public License instead.) You can apply it to your programs, too. When we speak of free software, we are referring to freedom, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish), that you receive source code or can get it if you want it, that you can change the software or use pieces of it in new free programs; and that you know you can do these things. To protect your rights, we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights. These restrictions translate to certain responsibilities for you if you distribute copies of the software, or if you modify it. For example, if you distribute copies of such a program, whether gratis or for a fee, you must give the recipients all the rights that you have. You must make sure that they, too, receive or can get the source code. And you must show them these terms so they know their rights. We protect your rights with two steps: (1) copyright the software, and (2) offer you this license which gives you legal permission to copy, distribute and/or modify the software. Also, for each author's protection and ours, we want to make certain that everyone understands that there is no warranty for this free software. If the software is modified by someone else and passed on, we want its recipients to know that what they have is not the original, so that any problems introduced by others will not reflect on the original authors' reputations. Finally, any free program is threatened constantly by software patents. We wish to avoid the danger that redistributors of a free program will individually obtain patent licenses, in effect making the program proprietary. To prevent this, we have made it clear that any patent must be licensed for everyone's free use or not licensed at all. The precise terms and conditions for copying, distribution and modification follow. GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION 0. This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License. The "Program", below, refers to any such program or work, and a "work based on the Program" means either the Program or any derivative work under copyright law: that is to say, a work containing the Program or a portion of it, either verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term "modification".) Each licensee is addressed as "you". Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running the Program is not restricted, and the output from the Program is covered only if its contents constitute a work based on the Program (independent of having been made by running the Program). Whether that is true depends on what the Program does. 1. You may copy and distribute verbatim copies of the Program's source code as you receive it, in any medium, provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty; keep intact all the notices that refer to this License and to the absence of any warranty; and give any other recipients of the Program a copy of this License along with the Program. You may charge a fee for the physical act of transferring a copy, and you may at your option offer warranty protection in exchange for a fee. 2. You may modify your copy or copies of the Program or any portion of it, thus forming a work based on the Program, and copy and distribute such modifications or work under the terms of Section 1 above, provided that you also meet all of these conditions: a) You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change. b) You must cause any work that you distribute or publish, that in whole or in part contains or is derived from the Program or any part thereof, to be licensed as a whole at no charge to all third parties under the terms of this License. c) If the modified program normally reads commands interactively when run, you must cause it, when started running for such interactive use in the most ordinary way, to print or display an announcement including an appropriate copyright notice and a notice that there is no warranty (or else, saying that you provide a warranty) and that users may redistribute the program under these conditions, and telling the user how to view a copy of this License. (Exception: if the Program itself is interactive but does not normally print such an announcement, your work based on the Program is not required to print an announcement.) These requirements apply to the modified work as a whole. If identifiable sections of that work are not derived from the Program, and can be reasonably considered independent and separate works in themselves, then this License, and its terms, do not apply to those sections when you distribute them as separate works. But when you distribute the same sections as part of a whole which is a work based on the Program, the distribution of the whole must be on the terms of this License, whose permissions for other licensees extend to the entire whole, and thus to each and every part regardless of who wrote it. Thus, it is not the intent of this section to claim rights or contest your rights to work written entirely by you; rather, the intent is to exercise the right to control the distribution of derivative or collective works based on the Program. In addition, mere aggregation of another work not based on the Program with the Program (or with a work based on the Program) on a volume of a storage or distribution medium does not bring the other work under the scope of this License. 3. You may copy and distribute the Program (or a work based on it, under Section 2) in object code or executable form under the terms of Sections 1 and 2 above provided that you also do one of the following: a) Accompany it with the complete corresponding machine-readable source code, which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, b) Accompany it with a written offer, valid for at least three years, to give any third party, for a charge no more than your cost of physically performing source distribution, a complete machine-readable copy of the corresponding source code, to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange; or, c) Accompany it with the information you received as to the offer to distribute corresponding source code. (This alternative is allowed only for noncommercial distribution and only if you received the program in object code or executable form with such an offer, in accord with Subsection b above.) The source code for a work means the preferred form of the work for making modifications to it. For an executable work, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the executable. However, as a special exception, the source code distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. If distribution of executable or object code is made by offering access to copy from a designated place, then offering equivalent access to copy the source code from the same place counts as distribution of the source code, even though third parties are not compelled to copy the source along with the object code. 4. You may not copy, modify, sublicense, or distribute the Program except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense or distribute the Program is void, and will automatically terminate your rights under this License. However, parties who have received copies, or rights, from you under this License will not have their licenses terminated so long as such parties remain in full compliance. 5. You are not required to accept this License, since you have not signed it. However, nothing else grants you permission to modify or distribute the Program or its derivative works. These actions are prohibited by law if you do not accept this License. Therefore, by modifying or distributing the Program (or any work based on the Program), you indicate your acceptance of this License to do so, and all its terms and conditions for copying, distributing or modifying the Program or works based on it. 6. Each time you redistribute the Program (or any work based on the Program), the recipient automatically receives a license from the original licensor to copy, distribute or modify the Program subject to these terms and conditions. You may not impose any further restrictions on the recipients' exercise of the rights granted herein. You are not responsible for enforcing compliance by third parties to this License. 7. If, as a consequence of a court judgment or allegation of patent infringement or for any other reason (not limited to patent issues), conditions are imposed on you (whether by court order, agreement or otherwise) that contradict the conditions of this License, they do not excuse you from the conditions of this License. If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations, then as a consequence you may not distribute the Program at all. For example, if a patent license would not permit royalty-free redistribution of the Program by all those who receive copies directly or indirectly through you, then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program. If any portion of this section is held invalid or unenforceable under any particular circumstance, the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances. It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims; this section has the sole purpose of protecting the integrity of the free software distribution system, which is implemented by public license practices. Many people have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system; it is up to the author/donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice. This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License. 8. If the distribution and/or use of the Program is restricted in certain countries either by patents or by copyrighted interfaces, the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries, so that distribution is permitted only in or among countries not thus excluded. In such case, this License incorporates the limitation as if written in the body of this License. 9. The Free Software Foundation may publish revised and/or new versions of the General Public License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. Each version is given a distinguishing version number. If the Program specifies a version number of this License which applies to it and "any later version", you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Foundation. If the Program does not specify a version number of this License, you may choose any version ever published by the Free Software Foundation. 10. If you wish to incorporate parts of the Program into other free programs whose distribution conditions are different, write to the author to ask for permission. For software which is copyrighted by the Free Software Foundation, write to the Free Software Foundation; we sometimes make exceptions for this. Our decision will be guided by the two goals of preserving the free status of all derivatives of our free software and of promoting the sharing and reuse of software generally. NO WARRANTY 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. END OF TERMS AND CONDITIONS How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the public, the best way to achieve this is to make it free software which everyone can redistribute and change under these terms. To do so, attach the following notices to the program. It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. 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 2 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, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision 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, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. , 1 April 1989 Ty Coon, President of Vice This 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 Library General Public License instead of this License. pdfcube-0.0.5/depcomp0000755000175000017500000004755611776313624011455 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects scriptversion=2011-12-04.11; # UTC # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010, # 2011 Free Software Foundation, Inc. # 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 2, 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 . # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a # configuration script generated by Autoconf, you may include it under # the same distribution terms that you use for the rest of that program. # Originally written by Alexandre Oliva . case $1 in '') echo "$0: No command. Try \`$0 --help' for more information." 1>&2 exit 1; ;; -h | --h*) cat <<\EOF Usage: depcomp [--help] [--version] PROGRAM [ARGS] Run PROGRAMS ARGS to compile a file, generating dependencies as side-effects. Environment variables: depmode Dependency tracking mode. source Source file read by `PROGRAMS ARGS'. object Object file output by `PROGRAMS ARGS'. DEPDIR directory where to store dependencies. depfile Dependency file to output. tmpdepfile Temporary file to use when outputting dependencies. libtool Whether libtool is used (yes/no). Report bugs to . EOF exit $? ;; -v | --v*) echo "depcomp $scriptversion" exit $? ;; esac if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. depfile=${depfile-`echo "$object" | sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi cygpath_u="cygpath -u -f -" if test "$depmode" = msvcmsys; then # This is just like msvisualcpp but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvisualcpp fi if test "$depmode" = msvc7msys; then # This is just like msvc7 but w/o cygpath translation. # Just convert the backslash-escaped backslashes to single forward # slashes to satisfy depend.m4 cygpath_u='sed s,\\\\,/,g' depmode=msvc7 fi case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! 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This case will never be run, # since it is checked for above. exit 1 ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 # Local Variables: # mode: shell-script # sh-indentation: 2 # eval: (add-hook 'write-file-hooks 'time-stamp) # time-stamp-start: "scriptversion=" # time-stamp-format: "%:y-%02m-%02d.%02H" # time-stamp-time-zone: "UTC" # time-stamp-end: "; # UTC" # End: pdfcube-0.0.5/AUTHORS0000664000175000017500000000012711734431174011124 00000000000000Mirko Maischberger Karol Sokolowski pdfcube-0.0.5/NEWS0000664000175000017500000000000011734431174010541 00000000000000pdfcube-0.0.5/man/0000775000175000017500000000000011776314324010712 500000000000000pdfcube-0.0.5/man/Makefile.am0000664000175000017500000000013211734431174012657 00000000000000## ## Process this file with automake to produce Makefile.in ## EXTRA_DIST = pdfcube.1 pdfcube-0.0.5/man/pdfcube.10000664000175000017500000001012211734431174012315 00000000000000.TH "\fBpdfcube\fR" "1" "03/2012" "pdfcube 0.0.5" "pdfcube presentation viewer" .SH "NAME" \fBpdfcube\fP - a PDF presentation viewer with 3D effects. .SH "SYNOPSIS" .HP 24 \fBpdfcube\fP [\fIFILE\fP] [\fB--help\fP] [\fB--bgcolor\fP \fIf:f:f\fP] \ [\fB--top-color\fP \fIf:f:f\fP] [\fB--no-fullscreen\fP] [\fB--demo\fP] \ [\fB--program\fP \fIn:x:n:x:...\fP] .SH "DESCRIPTION" .PP \fBpdfcube\fP(1) is a tiny (about 30KiB) viewer for Portable Document Format (PDF) files that adds spinning cube transition effect to your PDF presentation files. It can also zoom on 5 predefined areas with a smooth zooming effect. This program is suited only for landscape PDF files, mostly presentations done with LaTeX (Beamer, Prosper, etc.) or OpenOffice.org Impress. .PP If FILE is not given a file\-open dialog box is shown to the user. .PP \fBpdfcube\fP(1) is an open source, low-effort, spare-time, money-less project. Your help is welcome! .SH "OPTIONS" .TP \fB\-h\fR [ \fB\-\-help\fR ] This help message. .TP \fB\-v\fR [ \fB\-\-version\fR ] Version information .TP \fB\-b\fR [ \fB\-\-bgcolor\fR ] arg Background color is 'r:g:b' with real values between 0.0 and 1.0, no spaces. .TP \fB\-t\fR [ \fB\-\-top\-color\fR ] arg Cube top color in 'r:g:b' format again with reals in [0,1]. .TP \fB\-n\fR [ \fB\-\-no\-fullscreen\fR ] Don't activate full\-screen mode by default. .TP \fB\-\-demo\fR Automatically auto-advance presentation based on the frame duration PDF attribute (\\transduration when using Latex Beamer) or the specified program (see the \-\-program option). .TP \fB\-\-program\fR A program in the form n:x:n:x:n:x... where n are durations in seconds and "x" can be either "c" for cube transition and "p" for plain transition. (e.g. \-\-program 5:c:3:p). The last program is used for all remaining slides. .PP .SS Notes The first (and only) non\-option string is treated as the input file. .SH "INTERACTIVE CONTROL" .TP \fBc, a\fP Will display the next/previous page with a cube transition effect. .TP \fBSPACE, PG-DOWN\fP Will switch to the next page with the programmed effect. .TP \fBh, j, k, l, z\fP Will zoom into the predefined areas. .TP \fBg\fP Will undo any zoom. .TP \fBESC, Ctrl-q\fP Will exit pdfcube immediately. .TP \fBPG-UP, Left-Arrow\fP Will quick-switch to the previous page. .TP \fBRight-Arrow\fP Will quick-switch to the next page. .TP \fBf\fP Will toggle full\-screen mode. .TP \fBt\fP Will toggle auto-advance (demo) mode. .TP \fBCtrl-l\fP Will redraw the screen. .TP \fBCtrl-1, Ctrl-2, ..., Ctrl-9\fP Will jump to the page corresponding to the n-th programmed transition (if any). .TP \fB1, 2, ..., 9\fP Will jump to page 5*(n-1). .SH "CONFIGURATION FILE" .PP If the \fI~/.pdfcuberc\fP file exists, it is used as a configuration file. The configuration file uses the same options as the command line (using the boost program options syntax). e.g. .PP .RS .br demo=true .br bgcolor=0:0:0 .br program=5:p .RE .SH "EXAMPLES" .TP \fBpdfcube\fP foo.pdf Will display 'foo.pdf' in full-screen. .TP \fBpdfcube\fP --demo --program 5:c foo.pdf Will display 'foo.pdf' in full-screen and will do a cube transition every 5 seconds. .TP \fBpdfcube\fP foo.pdf \fB--bgcolor\fP 0:0:0 \fB--top-color\fP 0.6:0.2:0.2 Will display 'foo.pdf' with custom background and cube color. .SH "BUGS" .PP On some systems color values are locale dependent (e.g. you may have to write 0,6 instead of 0.6) .PP See http://code.100allora.it/pdfcube/report/ for the bugtracker of \fBpdfcube\fP(1) (you should obtain an account contacting the author first). Or please report any bug to the author. .SH "AUTHORS" Written by Mirko Maischberger and Karol Sokolowsky .SH "RESOURCES" Main web site: http://code.100allora.it/pdfcube/ .SH "THANKS" I'd like to thank the LILiK laboratory in Florence, Italy for having teached me the value of open-source and open-culture. .SH "COPYING" This manpage is available under the same GPL v2 or later license as the main program, the original manpage was written by Alexander Wirt for the Debian distribution. 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Reported by: Pino Toscano * man/pdfcube.1: Update the manpage to reflect the new features. 2009-01-06 Mirko Maischberger * src/pdfcube.cc: Removed --transition switch in favor of reading transitions from the PDF file. Added a dialog to open files when no file is given on the command line (this is so the first "GUI" version of PDFCube) 2008-11-23 Mirko Maischberger * man/: moved pdfcube.1 manpage inside man folder. 2008-11-21 Mirko Maischberger * src/pdfcube.cc: cleand code, fixed code to calc animation steps, added program options via boost program options library. Removed fog effect from compilation. Added the option to customize colors. * pdfcube.1: updated the manpage to reflect changes. 2008-02-28 Karol Sokolowski * src/pdfcube.cc: cleaned code, added code to calc animation steps instead of having it hard-coded, added backward cube animation and fog. 2007-11-18 Mirko Maischberger * src/pdfcube.cc: Huang Guo-Hao suggested some useful modifications to the initialization params of OpenGL 2007-01-29 Mirko Maischberger * pdfcube.1.txt: added the manpage provided by Alexander Wirt, with few modifications. 2006-12-24 Mirko Maischberger * configure.ac, src/Makefile.am: Removed unneeded glut and libtool dependencies Reported by: Frank Boheme 2006-12-19 Mirko Maischberger * debian/: Package debianization. * src/llcube.cc: draft of low level cube code. 2006-12-19 Mirko Maischberger * Autotools, release 0.0.2 2006-12-16 Mirko Maischberger * Release 0.0.1 2006-12-09 Mirko Maischberger * Initial import pdfcube-0.0.5/src/0000775000175000017500000000000011776314324010726 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\ mostlyclean-generic pdf pdf-am ps ps-am tags uninstall \ uninstall-am uninstall-binPROGRAMS # Tell versions [3.59,3.63) of GNU make to not export all variables. # Otherwise a system limit (for SysV at least) may be exceeded. .NOEXPORT: pdfcube-0.0.5/src/pdfcube.cc0000664000175000017500000016510211776314273012575 00000000000000// ex: set ts=2: -*- mode: C++; mode: flyspell-prog; mode: flymake; c-basic-offset: 2; indent-tabs-mode: nil -*- // // PDFCube source file - pdfcube.cc // // Copyright (C) 2006-2012 // Mirko Maischberger // Copyright (C) 2008 // Karol Sokolowski // // 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 2 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 WAPRANTY; 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, write to the Free Software // Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA // 02110-1301, USA // // Notes: please indent using 2 spaces. #define NDEBUG #include #include #include #include #include #include // Removing GTK+ dependencies to ease portability. // Gtk+ (pkg-config gtk+-2.0) #include #include // GtkGLExt (pkg-config gtkglext-1.0) #include // OpenGL #include #include #include // PDF to cairo_surface_t using Cairo (pkg-config poppler-glib cairo) #include #include #include using namespace std; namespace po = boost::program_options; ////////////////////////////////////////////////////////////////////////// // Macros #include #define DEFAULT_WIDTH 640 #define DEFAULT_HEIGHT 480 #define DEFAULT_TITLE "PDFCube" #define N_FRAMES 30 #define TIMEOUT_INTERVAL 25 ////////////////////////////////////////////////////////////////////////// // Globals (will be moved inside classes some day) enum animation { ANIM_NONE, CUBE_NEXT, CUBE_PREV, ZOOM0, ZOOM1, ZOOM2, ZOOM3, ZOOM4, ZOOMC, SWITCH_FW, SWITCH_BW }; static gboolean fullscreen; static gboolean animating = FALSE; animation active_animation = ANIM_NONE; animation previous_animation = ANIM_NONE; animation last_animation = ANIM_NONE; // Cube Transitions on the command line // (space advances simply or with the rotating cube) // depending on the values in this array static bool *page_transition; static int *page_duration; static guint auto_advance_id = 0; static double pdf_aspect_ratio = 4.0/3.0; // static double screen_aspect_ratio = 16.0/10.0; ////////////////////////////////////////////////////////////////////////// // Forward declarations static void timeout_add(GtkWidget * widget); static void timeout_remove(GtkWidget * widget); static void start_animation(GtkWidget * widget, animation); static void stop_animation(GtkWidget * widget); static GdkGLConfig *configure_gl(void); static GtkWidget *create_window(GdkGLConfig * glconfig); static GtkWidget *drawing_area; static GLfloat clear_color[4] = { 0.6, 0.0, 0.0, 0.0 }; static GLfloat top_color[4] = { 0.7, 0.6, 0.6, 0.0 }; static double animation_emphasis = 2.4; static bool sleeping() { return !animating && active_animation == ANIM_NONE; } ////////////////////////////////////////////////////////////////////////// // // pdfcube // // This is an attemp to move some dirtyness inside a class // some work still needs to be done to transform this quick // hack in a serious pdf-viewer // class pdfcube { public: pdfcube(PopplerDocument* d) :doc(d), current_page(0), current_face(0), total_pages(poppler_document_get_n_pages(d)), frame(0), lookposx(0.0), lookposy(0.0), lookposz(3.48), atx(0.0), aty(0.0), atz(0.0), persp(44.0), angle(0.0), context(0), pixmap(0) { texmap[0] = 0; texmap[1] = 1; texmap[2] = 2; cube_faces=0; PopplerPage *page(0); double w,h; page = poppler_document_get_page(d, 0); poppler_page_get_size(page, &w, &h); pdf_aspect_ratio = ((double)w)/h; // g_free(page); tex_width = 1024; tex_height = 1024; pixmap = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, (double)tex_width, (double)tex_height); context = cairo_create(pixmap); cairo_scale(context, (((double)tex_width)/w), (((double)tex_height)/h)); steps = new GLfloat[N_FRAMES]; xsteps = new double[N_FRAMES]; zsteps = new double[N_FRAMES]; zoomsteps = new double[N_FRAMES]; perspsteps = new double[N_FRAMES]; perspstepsc = new double[N_FRAMES]; } // Dtor. ~pdfcube() { delete[]steps; delete[]xsteps; delete[]zsteps; delete[]zoomsteps; delete[]perspsteps; delete[]perspstepsc; } /// Current page. int page() { return current_page; } /// Total pages int pages() { return total_pages; } // Cube Normals static GLfloat n[6][3]; // Cube Faces static GLint faces[6][4]; // Cube vertex (filled in pdfcube->initialize()) GLfloat v[8][3]; // Cube texture mapping static GLfloat mapping[6][8]; // Cube Rotation Animation steps (17 frames) // Cube rotation at each frame GLfloat *steps; // ... x camera movement double *xsteps; // ... z camera movement double *zsteps; // Other animations double *zoomsteps; double *perspsteps; double *perspstepsc; // Restart pdf void restart(GtkWidget * widget) { current_page = 0; update_textures(widget); } // Jump to page void go_to(GtkWidget * widget, int page) { if (page >= 0 && page < total_pages) { current_page = page; update_textures(widget); } } // Jump to section (1..9) void section(GtkWidget * widget, int section) { #ifndef NDEBUG cerr << "Section: " << section << " total pages: " << total_pages << endl; #endif int ii; for (ii = 0; ii < total_pages; ++ii) { if (page_transition[ii]) section--; if (section == 0) break; } #ifndef NDEBUG cerr << "Page: " << ii << endl; #endif if (ii < total_pages) { current_page = ii; update_textures(widget); } } // OpenGL initialization void initialize(GtkWidget * widget) { GLfloat position[] = { 1.0, 0.0, 0.0, 1.0 }; GLfloat local_view[] = { 0.0 }; glShadeModel(GL_SMOOTH); glEnable(GL_TEXTURE_RECTANGLE_ARB); GLfloat mat_ambient[] = { 1.0, 1.0, 1.0, 0.00 }; // GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 0.00 }; // GLfloat mat_shininess[] = { 0.2 }; glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient); // glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular); // glMaterialfv(GL_FRONT, GL_SHININESS, mat_shininess); glEnable(GL_LIGHTING); glEnable(GL_LIGHT0); // glEnable(GL_BLEND); glEnable(GL_CULL_FACE); // glEnable(GL_POLYGON_SMOOTH); // glPolygonMode(GL_FRONT, GL_FILL); // glEdgeFlag(GL_FALSE); glClearColor(clear_color[0], clear_color[1], clear_color[2], clear_color[3]); glCullFace(GL_FRONT); // glDisable(GL_DEPTH_TEST); // glEnable(GL_DEPTH_TEST); // glDepthFunc(GL_LEQUAL); glLightfv(GL_LIGHT0, GL_POSITION, position); glLightfv(GL_LIGHT0, GL_COLOR, mat_ambient); // glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, local_view); // glFrontFace(GL_CCW); // glEnable(GL_LIGHTING); // glEnable(GL_LIGHT0); glEnable(GL_AUTO_NORMAL); glEnable(GL_NORMALIZE); glEnable(GL_COLOR_MATERIAL); #ifdef ENABLE_FOG glEnable(GL_FOG); { GLfloat fogColor[4] = { 0.6, 0.6, 0.6, 0.5 }; glFogi(GL_FOG_MODE, GL_LINEAR); glFogf(GL_FOG_START, 2.1f); glFogf(GL_FOG_END, 6.0f); glFogfv(GL_FOG_COLOR, fogColor); glFogf(GL_FOG_DENSITY, 0.25); glHint(GL_FOG_HINT, GL_DONT_CARE); glClearColor(fogColor[0], fogColor[1], fogColor[2], fogColor[3]); } #endif glPixelStorei(GL_UNPACK_ALIGNMENT, 1); glGenTextures(3, textures); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR); glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MAG_FILTER, GL_LINEAR); update_textures(widget); GLint size; glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size); #ifndef NDEBUG printf("Max-texture size: %upx\n", size); #endif assert(size >= 512); assert(glIsTexture(textures[0])); // Cube vertex v[0][0] = v[1][0] = v[2][0] = v[3][0] = -1; v[4][0] = v[5][0] = v[6][0] = v[7][0] = 1; v[0][1] = v[1][1] = v[4][1] = v[5][1] = -1; v[2][1] = v[3][1] = v[6][1] = v[7][1] = 1; v[0][2] = v[3][2] = v[4][2] = v[7][2] = 1; v[1][2] = v[2][2] = v[5][2] = v[6][2] = -1; glMatrixMode(GL_PROJECTION); gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); // up is in positive Y direction gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0.0, 1.0, 0.0); matrix_setup(); buildLists(); } // Redraw scene void redraw(GtkWidget * widget) { double yoffset = 0.1; if (animating) { switch (active_animation) { case ANIM_NONE: #ifndef NDEBUG cerr << "No animation... stopping right now." << endl; #endif frame = 0; stop_animation(widget); break; case CUBE_NEXT: #ifndef NDEBUG cerr << "cube+ " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); quick_reset(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); lookposz -= animation_emphasis*zsteps[frame]; lookposy = 1.5*animation_emphasis*xsteps[frame]; gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); angle -= steps[frame]; glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case CUBE_PREV: #ifndef NDEBUG cerr << "cube- " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); quick_reset(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); lookposz -= 2.0 * zsteps[frame]; lookposy = 3.0 * xsteps[frame]; gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); angle -= steps[frame]; glRotatef(angle, 0.0, -1.0, 0.0); drawCube(); frame++; } break; case ZOOM0: #ifndef NDEBUG cerr << "zoom0 " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); quick_reset(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); switch (previous_animation) { case ZOOM1: persp = perspsteps[(N_FRAMES - 1) - frame]; atx = lookposx = -(1.3 * zoomsteps[(N_FRAMES - 1) - frame]); aty = lookposy = zoomsteps[(N_FRAMES - 1) - frame] - yoffset / N_FRAMES * ((N_FRAMES - 1) - frame); break; case ZOOM2: persp = perspsteps[(N_FRAMES - 1) - frame]; atx = lookposx = 1.3 * zoomsteps[(N_FRAMES - 1) - frame]; aty = lookposy = zoomsteps[(N_FRAMES - 1) - frame] - yoffset / N_FRAMES * ((N_FRAMES - 1) - frame); break; case ZOOM3: persp = perspsteps[(N_FRAMES - 1) - frame]; atx = lookposx = -1.3 * zoomsteps[(N_FRAMES - 1) - frame]; aty = lookposy = -zoomsteps[(N_FRAMES - 1) - frame] - yoffset / N_FRAMES * ((N_FRAMES - 1) - frame); break; case ZOOM4: persp = perspsteps[(N_FRAMES - 1) - frame]; atx = lookposx = 1.3 * zoomsteps[(N_FRAMES - 1) - frame]; aty = lookposy = -zoomsteps[(N_FRAMES - 1) - frame] - yoffset / N_FRAMES * ((N_FRAMES - 1) - frame); break; case ZOOMC: persp = perspstepsc[(N_FRAMES - 1) - frame]; aty = lookposy = -zoomsteps[(N_FRAMES - 1) - frame] * 0.38; break; default: #ifndef NDEBUG cerr << "Should not reach" << endl; #endif break; } glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case ZOOM1: #ifndef NDEBUG cerr << "zoom1 " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); persp = perspsteps[frame]; gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); atx = lookposx = -1.3 * zoomsteps[frame]; aty = lookposy = zoomsteps[frame] - yoffset / N_FRAMES * (frame); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case ZOOM2: #ifndef NDEBUG cerr << "zoom1 " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); persp = perspsteps[frame]; gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); atx = lookposx = 1.3 * zoomsteps[frame]; aty = lookposy = zoomsteps[frame] - yoffset / N_FRAMES * (frame); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case ZOOM3: #ifndef NDEBUG cerr << "zoom1 " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); persp = perspsteps[frame]; gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); atx = lookposx = -1.3 * zoomsteps[frame]; aty = lookposy = -zoomsteps[frame] - yoffset / N_FRAMES * (frame); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case ZOOM4: #ifndef NDEBUG cerr << "zoom1 " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); persp = perspsteps[frame]; gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); atx = lookposx = 1.3 * zoomsteps[frame]; aty = lookposy = -zoomsteps[frame] - yoffset / N_FRAMES * (frame); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case ZOOMC: #ifndef NDEBUG cerr << "zoomc " << frame << endl; #endif if (frame == N_FRAMES) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); persp = perspstepsc[frame]; aty = lookposy = -zoomsteps[frame] * 0.38; glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case SWITCH_FW: #ifndef NDEBUG cerr << "fw " << frame << endl; #endif if (frame == 1) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); angle -= 90; glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; case SWITCH_BW: #ifndef NDEBUG cerr << "bw " << frame << endl; #endif if (frame == 1) { frame = 0; stop_animation(widget); } else { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); angle += 90; glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); frame++; } break; } } else { switch (active_animation) { case ANIM_NONE: #ifndef NDEBUG cerr << "Redrawing" << endl; #endif break; case CUBE_NEXT: #ifndef NDEBUG cerr << "cube stop" << endl; #endif forward(widget); current_face = next_face(); quick_reset(widget); break; case CUBE_PREV: #ifndef NDEBUG cerr << "cube stop" << endl; #endif backward(widget); current_face = prev_face(); quick_reset(widget); break; case SWITCH_FW: #ifndef NDEBUG cerr << "fw stop" << endl; #endif forward(widget); current_face = next_face(); quick_reset(widget); break; case SWITCH_BW: #ifndef NDEBUG cerr << "bw stop" << endl; #endif backward(widget); current_face = prev_face(); quick_reset(widget); break; case ZOOM0: case ZOOM1: case ZOOM2: case ZOOM3: case ZOOM4: case ZOOMC: default: #ifndef NDEBUG cerr << "default stop" << endl; #endif break; } glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glMatrixMode(GL_PROJECTION); glLoadIdentity(); gluPerspective(persp, 1.0, 0.5, 10.0); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); gluLookAt(lookposx, lookposy, lookposz, atx, aty, atz, 0, 1, 0); glRotatef(angle, 0.0, 1.0, 0.0); drawCube(); glRasterPos3f(0, -1.4, 0); GLuint rcube[] = { 0, 0, 0, 127 }; glDrawPixels(1, 1, GL_BGRA, GL_UNSIGNED_BYTE, rcube); active_animation = ANIM_NONE; #ifndef NDEBUG cerr << "Ok!" << endl; #endif glFlush(); } } // Prev face of the cube in [0..3] int prev_face() { return (current_face+3) % 4; } // Next face of the cube in [0..3] int next_face() { return (current_face+1) % 4; } // Prev document page int prev_page() { assert(current_page >= 0); if (current_page == 0) return total_pages - 1; else return current_page - 1; } // Next document page int next_page() { assert(current_page < total_pages); if (current_page == total_pages - 1) return 0; else return current_page + 1; } void forward(GtkWidget * widget) { update_textures_dir(widget, true); #ifndef NDEBUG cerr << "Current page: " << current_page << endl; #endif } // Initialization of animation vectors void matrix_setup() { double sum = 0.; for(int i=0; i xstep_ratio) xsteps[i] = xstep_ratio; } for (int i = N_FRAMES / 2; i < N_FRAMES; i++) { xsteps[i] = xstep_ratio - (i - double(N_FRAMES-1) / 2.0) * xstep; if (xsteps[i] < 0.01) xsteps[i] = 0.0; } #ifndef NDEBUG cout << "Step x " << xstep << endl; cout << "Matrix2 "; for (int i = 0; i < N_FRAMES; i++) cout << xsteps[i] << " "; cout << endl; #endif float granular = 0.07; float zstep = granular / (double(N_FRAMES) / 4.0); for (int i = 0; i < N_FRAMES / 4; i++) { zsteps[i] = -i * zstep; } for (int i = N_FRAMES / 4; i < N_FRAMES / 2; i++) { zsteps[i] = -granular + (i - double(N_FRAMES) / 4.0) * zstep; } for (int i = N_FRAMES / 2; i < N_FRAMES; i++) { zsteps[i] = -zsteps[i - N_FRAMES / 2]; } #ifndef NDEBUG cout << "Step z " << zstep << endl; cout << "Matrix3 "; for (int i = 0; i < N_FRAMES; i++) cout << zsteps[i] << " "; cout << endl; #endif float zoomstop = 0.38; float zoomstep = (zoomstop / double (N_FRAMES-1)); for (int i = 0; i < N_FRAMES; i++) { zoomsteps[i] = i * zoomstep; } #ifndef NDEBUG cout << "Step zoom " << zoomstep << endl; cout << "Matrix4 "; for (int i = 0; i < N_FRAMES; i++) cout << zoomsteps[i] << " "; cout << endl; #endif float perspstart = 44.00; float perspstop = 21.00; for (int i = 0; i < N_FRAMES; i++) { perspsteps[i] = (cos(i*M_PI/(double(N_FRAMES)*2.0)))*(perspstart - perspstop)+perspstop; } #ifndef NDEBUG // cout << "Step persp " << perspstep << endl; cout << "Matrix5 "; for (int i = 0; i < N_FRAMES; i++) cout << perspsteps[i] << " "; cout << endl; #endif float perspcstart = 44.00; float perspcstop = 30.00; for (int i = 0; i < N_FRAMES; i++) { perspstepsc[i] = (1.0+cos(i*M_PI/double(N_FRAMES)))/2.0*(perspcstart - perspcstop)+perspcstop; } #ifndef NDEBUG cout << "Matrix6 "; for (int i = 0; i < N_FRAMES; i++) cout << perspstepsc[i] << " "; cout << endl; #endif } // Go to the previous page void backward(GtkWidget * widget) { update_textures_dir(widget, false); #ifndef NDEBUG cerr << "Current page: " << current_page << endl; #endif } // Reset internal status and updates all textures void reset(GtkWidget * widget) { animating = FALSE; frame = 0; lookposx = 0.0; lookposy = 0.0; lookposz = 3.48; atx = 0.0; aty = 0.0; atz = 0.0; persp = 44.0; angle = 0.0; current_face = 0; active_animation = ANIM_NONE; previous_animation = ANIM_NONE; last_animation = ANIM_NONE; update_textures(widget); } // Reset status without updating textures void quick_reset(GtkWidget * widget) { // update_textures(widget); animating = FALSE; frame = 0; lookposx = 0.0; lookposy = 0.0; lookposz = 3.48; atx = 0.0; aty = 0.0; atz = 0.0; persp = 44.0; angle = 0.0; current_face = 0; // active_animation = ANIM_NONE; previous_animation = ANIM_NONE; last_animation = ANIM_NONE; } // shift old textures and render the new page // texmap[0] -> current page // texmap[1] -> prev page // texmap[2] -> next page void update_textures_dir(GtkWidget * widget, bool forward) { assert(current_page >= 0); assert(current_page < total_pages); if (forward) { current_page = next_page(); int tmp = texmap[2]; texmap[2] = texmap[1]; texmap[1] = texmap[0]; texmap[0] = tmp; render_page(next_page()); } else { current_page = prev_page(); int tmp = texmap[0]; texmap[0] = texmap[1]; texmap[1] = texmap[2]; texmap[2] = tmp; render_page(prev_page()); } glDeleteTextures(1, &textures[texmap[forward ? 2 : 1]]); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[forward ? 2 : 1]]); glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, tex_width, tex_height, 0, GL_BGRA, GL_UNSIGNED_BYTE, cairo_image_surface_get_data(pixmap)); gdk_window_invalidate_rect(widget->window, &widget->allocation, FALSE); } // render all (3) textures void update_textures(GtkWidget * widget) { assert(current_page >= 0); assert(current_page < total_pages); render_page(current_page); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[0]]); glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, tex_width, tex_height, 0, GL_BGRA, GL_UNSIGNED_BYTE, cairo_image_surface_get_data(pixmap)); render_page(prev_page()); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[1]]); glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, tex_width, tex_height, 0, GL_BGRA, GL_UNSIGNED_BYTE, cairo_image_surface_get_data(pixmap)); render_page(next_page()); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[2]]); glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, tex_width, tex_height, 0, GL_BGRA, GL_UNSIGNED_BYTE, cairo_image_surface_get_data(pixmap)); gdk_window_invalidate_rect(widget->window, &widget->allocation, FALSE); } protected: PopplerDocument * doc; int current_page; int current_face; const int total_pages; int frame; double lookposx, lookposy, lookposz; double atx, aty, atz; double persp, angle; cairo_surface_t *pixmap; cairo_t *context; int texmap[3]; // OpenGL Textures GLuint textures[3]; GLuint cube_faces; // Width and Height of the rendered pixmap (aspect // ratio is fixed, should instead depend on the // aspect ratio of the pdf page) gint tex_width; //(gint) (3 * 1024 / 2); gint tex_height; //(gint) (3 * 768 / 2); // renders the poppler page on a pixmap void render_page(int i) { PopplerPage *page(0); double w, h; page = poppler_document_get_page(doc, i); poppler_page_get_size(page, &w, &h); cairo_save(context); cairo_rectangle(context, 0.0, 0.0, w, h); cairo_set_source_rgb(context, 1.0, 1.0, 1.0); cairo_fill(context); poppler_page_render(page, context); cairo_restore(context); // g_free(page); } void buildLists() { int i; cube_faces=glGenLists(6); for (i = 0; i < 6; i++) { glNewList(cube_faces+i,GL_COMPILE); glBegin(GL_QUADS); if(i<4) glMultiTexCoord2f(GL_TEXTURE0_ARB,(1.0 - mapping[i][4]) * tex_width, mapping[i][5] * tex_height); glVertex3fv(&v[faces[i][0]][0]); if(i<4) glMultiTexCoord2f(GL_TEXTURE0_ARB,(1.0 - mapping[i][6]) * tex_width, mapping[i][7] * tex_height); glVertex3fv(&v[faces[i][1]][0]); if(i<4) glMultiTexCoord2f(GL_TEXTURE0_ARB,(1.0 - mapping[i][0]) * tex_width, mapping[i][1] * tex_height); glVertex3fv(&v[faces[i][2]][0]); if(i<4) glMultiTexCoord2f(GL_TEXTURE0_ARB,(1.0 - mapping[i][2]) * tex_width, mapping[i][3] * tex_height); glVertex3fv(&v[faces[i][3]][0]); glEnd(); glEndList(); } } void drawCube(void) { int i; for (i = 0; i < 6; i++) { if (i == current_face) { glEnable(GL_TEXTURE_RECTANGLE_ARB); glActiveTextureARB(GL_TEXTURE0_ARB); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[0]]); } else if (i == prev_face()) { glEnable(GL_TEXTURE_RECTANGLE_ARB); glActiveTextureARB(GL_TEXTURE0_ARB); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[1]]); } else if (i == next_face()) { glEnable(GL_TEXTURE_RECTANGLE_ARB); glActiveTextureARB(GL_TEXTURE0_ARB); glBindTexture(GL_TEXTURE_RECTANGLE_ARB, textures[texmap[2]]); } else if (i <= 3) { glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE); glDisable(GL_TEXTURE_RECTANGLE_ARB); glColor4f(top_color[0], top_color[1], top_color[2], top_color[3]); } else { glColorMaterial(GL_FRONT, GL_AMBIENT_AND_DIFFUSE); glDisable(GL_TEXTURE_RECTANGLE_ARB); glColor4f(top_color[0], top_color[1], top_color[2], top_color[3]); } glPolygonMode(GL_FRONT, GL_FILL); glCallList(cube_faces+i); } } }; // cube normals GLfloat pdfcube::n[6][3] = { {0.0, 0.0, -1.0}, {1.0, 0.0, 0.0}, {0.0, 0.0, 1.0}, {-1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {0.0, -1.0, 0.0} }; //bcube faces GLint pdfcube::faces[6][4] = { {7, 4, 0, 3}, {7, 6, 5, 4}, {5, 6, 2, 1}, {0, 1, 2, 3}, {3, 2, 6, 7}, {4, 5, 1, 0} }; // face mapping GLfloat pdfcube::mapping[6][8] = { {1.0, 1.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0} , {0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 0.0} , {0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0} , {1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0} , {1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0} , // top {1.0, 1.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0} , // bottom }; // the pdf-cube pdfcube* pc; ////////////////////////////////////////////////////////////////////////// // Callbacks /*** *** The "realize" signal handler. All the OpenGL initialization *** should be performed here, such as default background colour, *** certain states etc. ***/ static void realize(GtkWidget * widget, gpointer data) { GdkGLContext * glcontext = gtk_widget_get_gl_context(widget); GdkGLDrawable * gldrawable = gtk_widget_get_gl_drawable(widget); #ifndef NDEBUG g_print("%s: \"realize\"\n", gtk_widget_get_name(widget)); #endif //g_mutex_lock (gl_mutex); /*** OpenGL BEGIN ***/ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) return; pc->initialize(widget); gdk_gl_drawable_gl_end(gldrawable); /*** OpenGL END ***/ //g_mutex_unlock (gl_mutex); } /*** *** The "configure_event" signal handler. Any processing required when *** the OpenGL-capable drawing area is re-configured should be done here. *** Almost always it will be used to resize the OpenGL viewport when *** the window is resized. ***/ static gboolean configure_event(GtkWidget * widget, GdkEventConfigure * event, gpointer data) { GdkGLContext * glcontext = gtk_widget_get_gl_context(widget); GdkGLDrawable * gldrawable = gtk_widget_get_gl_drawable(widget); GLsizei w = widget->allocation.width; GLsizei h = widget->allocation.height; #ifndef NDEBUG g_print("%s: \"configure_event\"\n", gtk_widget_get_name(widget)); #endif //g_mutex_lock (gl_mutex); /*** OpenGL BEGIN ***/ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) return FALSE; glViewport(0, 0, w, h); gdk_gl_drawable_gl_end(gldrawable); /*** OpenGL END ***/ //g_mutex_unlock (gl_mutex); return TRUE; } /*** *** The "expose_event" signal handler. All the OpenGL re-drawing should *** be done here. This is repeatedly called as the painting routine *** every time the 'expose'/'draw' event is signalled. ***/ static gboolean expose_event(GtkWidget * widget, GdkEventExpose * event, gpointer data) { GdkGLContext * glcontext = gtk_widget_get_gl_context(widget); GdkGLDrawable * gldrawable = gtk_widget_get_gl_drawable(widget); //g_mutex_lock (gl_mutex); /*** OpenGL BEGIN ***/ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) return FALSE; glDrawBuffer(GL_BACK); pc->redraw(widget); /* Swap buffers */ if (gdk_gl_drawable_is_double_buffered(gldrawable)) gdk_gl_drawable_swap_buffers(gldrawable); else glFlush(); gdk_gl_drawable_gl_end(gldrawable); /*** OpenGL END ***/ //g_mutex_unlock (gl_mutex); return TRUE; } /*** *** Auto advance to next slide ***/ static gboolean auto_advance(GtkWidget * widget) { if(sleeping()) { if(page_duration[(pc->page()+1)%pc->pages()] + (page_transition[(pc->page()+1)%pc->pages()] ? 750 : 0) > 0) auto_advance_id = g_timeout_add(page_duration[(pc->page()+1)%pc->pages()] + (page_transition[(pc->page()+1)%pc->pages()] ? 750 : 0), (GSourceFunc)auto_advance, widget); else auto_advance_id = 0; #ifndef NDEBUG cerr << "auto advance mode: " << (page_duration[(pc->page()+1)%pc->pages()] + (page_transition[(pc->page()+1)%pc->pages()] ? 750 : 0)) << endl; #endif if (page_transition[(pc->page()+1)%pc->pages()]) start_animation(widget, CUBE_NEXT); else start_animation(widget, SWITCH_FW); return FALSE; } return TRUE; } /*** *** The timeout function. Often in animations, *** timeout functions are suitable for continous *** frame updates. ***/ static gboolean timeout(GtkWidget * widget) { /* Invalidate the whole window. */ gdk_window_invalidate_rect(widget->window, &widget->allocation, FALSE); /* Update synchronously. */ gdk_window_process_updates(widget->window, FALSE); return TRUE; } /*** *** The "unrealize" signal handler. Any processing required when *** the OpenGL-capable window is unrealized should be done here. ***/ static void unrealize(GtkWidget * widget, gpointer data) { GdkGLContext * glcontext = gtk_widget_get_gl_context(widget); GdkGLDrawable * gldrawable = gtk_widget_get_gl_drawable(widget); #ifndef NDEBUG g_print("%s: \"unrealize\"\n", gtk_widget_get_name(widget)); #endif //g_mutex_lock (gl_mutex); /*** OpenGL BEGIN ***/ if (!gdk_gl_drawable_gl_begin(gldrawable, glcontext)) return; gdk_gl_drawable_gl_end(gldrawable); /*** OpenGL END ***/ //g_mutex_unlock (gl_mutex); } /*** *** The "motion_notify_event" signal handler. Any processing required when *** the OpenGL-capable drawing area is under drag motion should be done here. ***/ static gboolean motion_notify_event(GtkWidget * widget, GdkEventMotion * event, gpointer data) { #ifndef NDEBUG g_print("%s: \"motion_notify_event\": button", gtk_widget_get_name(widget)); if (event->state & GDK_BUTTON1_MASK) { g_print(" 1"); } if (event->state & GDK_BUTTON2_MASK) { g_print(" 2"); } if (event->state & GDK_BUTTON3_MASK) { g_print(" 3"); } g_print("\n"); #endif return FALSE; } /*** *** The "button_press_event" signal handler. Any processing required when *** mouse buttons (only left and middle buttons) are pressed on the OpenGL- *** capable drawing area should be done here. ***/ static gboolean button_press_event(GtkWidget * widget, GdkEventButton * event, gpointer data) { #ifndef NDEBUG g_print("%s: \"button_press_event\": ", gtk_widget_get_name(widget)); #endif if (event->button == 1) { #ifndef NDEBUG g_print("button 1\n"); #endif return TRUE; } if (event->button == 2) { #ifndef NDEBUG g_print("button 2\n"); #endif return TRUE; } #ifndef NDEBUG g_print("\n"); #endif return FALSE; } /*** *** The "key_press_event" signal handler. Any processing required when key *** presses occur should be done here. ***/ static gboolean key_press_event(GtkWidget * widget, GdkEventKey * event, gpointer data) { #ifndef NDEBUG g_print("%s: \"key_press_event\": ", gtk_widget_get_name(widget)); #endif if (event->state == GDK_CONTROL_MASK) { switch (event->keyval) { case GDK_1: case GDK_2: case GDK_3: case GDK_4: case GDK_5: case GDK_6: case GDK_7: case GDK_8: case GDK_9: #ifndef NDEBUG g_print("Ctrl-n key\n"); #endif if (sleeping()) pc->section(widget, event->keyval - GDK_1 + 1); break; // Let's quit case GDK_q: #ifndef NDEBUG g_print("Ctrl-q key\n"); #endif gtk_main_quit(); break; // Update all textures case GDK_l: #ifndef NDEBUG g_print("Ctrl-l key\n"); cerr << "Pagina: " << pc->page() << endl; #endif pc->reset(widget); break; } } else { switch (event->keyval) { case GDK_t: if (sleeping()) { if (auto_advance_id == 0) { auto_advance_id = g_timeout_add(page_duration[pc->page()], (GSourceFunc)auto_advance, widget); #ifndef NDEBUG cerr << "auto advance mode: " << page_duration[pc->page()] << endl; #endif } else { g_source_remove(auto_advance_id); auto_advance_id = 0; } } break; // return to page 1 case GDK_1: case GDK_2: case GDK_3: case GDK_4: case GDK_5: case GDK_6: case GDK_7: case GDK_8: case GDK_9: #ifndef NDEBUG g_print("n key\n"); #endif if (sleeping()) pc->go_to(widget, (event->keyval - GDK_1) * 5); break; // Animated Cube Advancement case GDK_a: #ifndef NDEBUG g_print("a key\n"); #endif if (sleeping()) start_animation(widget, CUBE_PREV); break; case GDK_c: #ifndef NDEBUG g_print("c key\n"); #endif if (sleeping()) start_animation(widget, CUBE_NEXT); break; // Quick switch to next page case GDK_Right: #ifndef NDEBUG g_print("- key\n"); #endif if (sleeping()) start_animation(widget, SWITCH_FW); break; // Quick switch to previous page case GDK_Page_Up: case GDK_Left: #ifndef NDEBUG g_print("+ key\n"); #endif if (sleeping()) start_animation(widget, SWITCH_BW); break; case GDK_g: #ifndef NDEBUG g_print("Zoom0 key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); break; case GDK_h: #ifndef NDEBUG g_print("Zoom1 key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); else start_animation(widget, ZOOM1); break; case GDK_j: #ifndef NDEBUG g_print("Zoom2 key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); else start_animation(widget, ZOOM2); break; case GDK_k: #ifndef NDEBUG g_print("Zoom3 key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); else start_animation(widget, ZOOM3); break; case GDK_l: #ifndef NDEBUG g_print("Zoom4 key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); else start_animation(widget, ZOOM4); break; case GDK_z: #ifndef NDEBUG g_print("Zoom key\n"); #endif if (sleeping()) if (last_animation >= ZOOM1 and last_animation <= ZOOMC) start_animation(widget, ZOOM0); else start_animation(widget, ZOOMC); break; // Automatic advance (you should set the Animated slides on the command line) case GDK_Page_Down: case GDK_space: #ifndef NDEBUG g_print("Advance key\n"); #endif if (page_transition[(pc->page()+1)%pc->pages()] and sleeping()) start_animation(widget, CUBE_NEXT); else if (sleeping()) start_animation(widget, SWITCH_FW); break; // switch fullscreen case GDK_f: #ifndef NDEBUG g_print("f key\n"); #endif if ((fullscreen = !fullscreen) == true) gtk_window_fullscreen((GtkWindow *) (data)); else gtk_window_unfullscreen((GtkWindow *) (data)); break; // Let's quit case GDK_Escape: #ifndef NDEBUG g_print("Escape key\n"); #endif gtk_main_quit(); break; default: #ifndef NDEBUG g_print("Unknown key\n"); #endif return FALSE; } } return TRUE; } ////////////////////////////////////////////////////////////////////////// // Timeout functions /*** *** Helper functions to add or remove the timeout function. ***/ static guint timeout_id = 0; static void timeout_add(GtkWidget * widget) { if (timeout_id == 0) { timeout_id = g_timeout_add(TIMEOUT_INTERVAL, (GSourceFunc) timeout, widget); } } static void timeout_remove(GtkWidget * widget) { if (timeout_id != 0) { g_source_remove(timeout_id); timeout_id = 0; } } /*** *** The "map_event" signal handler. Any processing required when the *** OpenGL-capable drawing area is mapped should be done here. ***/ static gboolean map_event(GtkWidget * widget, GdkEvent * event, gpointer data) { #ifndef NDEBUG g_print("%s: \"map_event\":\n", gtk_widget_get_name(widget)); #endif if (animating) timeout_add(widget); return TRUE; } /*** *** The "unmap_event" signal handler. Any processing required when the *** OpenGL-capable drawing area is unmapped should be done here. ***/ static gboolean unmap_event(GtkWidget * widget, GdkEvent * event, gpointer data) { #ifndef NDEBUG g_print("%s: \"unmap_event\":\n", gtk_widget_get_name(widget)); #endif timeout_remove(widget); return TRUE; } /*** *** The "visibility_notify_event" signal handler. Any processing required *** when the OpenGL-capable drawing area is visually obscured should be *** done here. ***/ static gboolean visibility_notify_event(GtkWidget * widget, GdkEventVisibility * event, gpointer data) { if (animating) { if (event->state == GDK_VISIBILITY_FULLY_OBSCURED) timeout_remove(widget); else timeout_add(widget); } return TRUE; } /************************************************************************** * The following section contains some miscellaneous utility functions. **************************************************************************/ /*** *** Toggle animation. ***/ static void start_animation(GtkWidget * widget, enum animation a) { if (sleeping()) { animating = true; previous_animation = last_animation; last_animation = active_animation = a; timeout_add(widget); } } static void stop_animation(GtkWidget * widget) { animating = false; timeout_remove(widget); gdk_window_invalidate_rect(widget->window, &widget->allocation, FALSE); gdk_window_process_updates(widget->window, FALSE); } ////////////////////////////////////////////////////////////////////////// // GTK+ GUI Functions /*** *** Creates the simple application window with one *** drawing area that has an OpenGL-capable visual. ***/ static GtkWidget * create_window(GdkGLConfig * glconfig) { GtkWidget * window; GtkWidget* alignment; GtkWidget* keep_aspect; /* * Top-level window. */ window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(window), DEFAULT_TITLE); /* Get automatically redrawn if any of their children changed allocation. */ gtk_container_set_reallocate_redraws(GTK_CONTAINER(window), TRUE); /* Connect signal handlers to the window */ g_signal_connect(G_OBJECT(window), "delete_event", G_CALLBACK(gtk_main_quit), NULL); /* * Aspect ratio frame */ keep_aspect = gtk_aspect_frame_new(NULL, 0.5, 0.5, pdf_aspect_ratio, FALSE); gtk_widget_show(keep_aspect); /* * Drawing area to draw OpenGL scene. */ drawing_area = gtk_drawing_area_new(); gtk_widget_set_size_request(drawing_area, DEFAULT_WIDTH, DEFAULT_HEIGHT); /* Set OpenGL-capability to the widget */ gtk_widget_set_gl_capability(drawing_area, glconfig, NULL, TRUE, GDK_GL_RGBA_TYPE); gtk_widget_add_events(drawing_area, GDK_BUTTON1_MOTION_MASK | GDK_BUTTON2_MOTION_MASK | GDK_BUTTON_PRESS_MASK | GDK_VISIBILITY_NOTIFY_MASK); /* Connect signal handlers to the drawing area */ g_signal_connect_after(G_OBJECT(drawing_area), "realize", G_CALLBACK(realize), NULL); g_signal_connect(G_OBJECT(drawing_area), "configure_event", G_CALLBACK(configure_event), NULL); g_signal_connect(G_OBJECT(drawing_area), "expose_event", G_CALLBACK(expose_event), NULL); g_signal_connect(G_OBJECT(drawing_area), "unrealize", G_CALLBACK(unrealize), NULL); g_signal_connect(G_OBJECT(drawing_area), "motion_notify_event", G_CALLBACK(motion_notify_event), NULL); g_signal_connect(G_OBJECT(drawing_area), "button_press_event", G_CALLBACK(button_press_event), NULL); /* key_press_event handler for top-level window */ g_signal_connect_swapped(G_OBJECT(window), "key_press_event", G_CALLBACK(key_press_event), drawing_area); /* For timeout function. */ g_signal_connect(G_OBJECT(drawing_area), "map_event", G_CALLBACK(map_event), NULL); g_signal_connect(G_OBJECT(drawing_area), "unmap_event", G_CALLBACK(unmap_event), NULL); g_signal_connect(G_OBJECT(drawing_area), "visibility_notify_event", G_CALLBACK(visibility_notify_event), NULL); gtk_container_add(GTK_CONTAINER(window), keep_aspect); gtk_container_add(GTK_CONTAINER(keep_aspect), drawing_area); gtk_container_set_border_width (GTK_CONTAINER (window), 0); gtk_container_set_border_width (GTK_CONTAINER (keep_aspect), 0); // gtk_container_set_border_width (GTK_CONTAINER (drawing_area), 0); gtk_frame_set_shadow_type(GTK_FRAME(keep_aspect), GTK_SHADOW_NONE); GdkColor color; color.red = clear_color[0]*65535; color.green = clear_color[1]*65535; color.blue = clear_color[2]*65535; gtk_widget_modify_bg(window, GTK_STATE_NORMAL, &color); gtk_widget_show(drawing_area); return window; } /*** *** Configure the OpenGL framebuffer. ***/ static GdkGLConfig * configure_gl(void) { GdkGLConfig * glconfig; /* Try double-buffered visual */ glconfig = gdk_gl_config_new_by_mode((GdkGLConfigMode) (GDK_GL_MODE_RGB | GDK_GL_MODE_DEPTH | GDK_GL_MODE_DOUBLE )); if (glconfig == NULL) { g_print("\n*** Cannot find the double-buffered visual.\n"); g_print("\n*** Trying single-buffered visual.\n"); /* Try single-buffered visual */ glconfig = gdk_gl_config_new_by_mode((GdkGLConfigMode) (GDK_GL_MODE_RGB | GDK_GL_MODE_DEPTH)); if (glconfig == NULL) { g_print ("*** No appropriate OpenGL-capable visual found.\n"); exit(1); } } return glconfig; } /// /// @brief Gets the absolute path of a filename. /// /// This function checks if the given @a fileName is an absolute path. If /// it is then it returns a copy of it, otherwise it prepends the current /// working directory to it. /// /// @param fileName The filename to get the absolute path from. /// /// @return A copy of the absolute path to the file name. This copy must be /// freed when no longer needed. /// gchar * get_absolute_file_name(const gchar * fileName) { gchar * absoluteFileName = NULL; if (g_path_is_absolute(fileName)) { absoluteFileName = g_strdup(fileName); } else { gchar * currentDir = g_get_current_dir(); absoluteFileName = g_build_filename(currentDir, fileName, NULL); g_free(currentDir); } return absoluteFileName; } ////////////////////////////////////////////////////////////////////////// // Main function: should we use getopts? (who doesn't?) // (update: we do, let's use boost::program_options ;)) int main(int argc, char *argv[]) { GtkWidget * window; GdkGLConfig * glconfig; /* Initialize GTK. */ gtk_init(&argc, &argv); /* Initialize GtkGLExt. */ gtk_gl_init(&argc, &argv); po::options_description generic("Generic options"); generic.add_options() ("help,h", "This help message.") ("version,v", "Version information"); po::options_description opts("Available options"); opts.add_options() ("bgcolor,b", po::value(), "Background color is 'r:g:b' with real values between 0.0 and 1.0, no spaces.") ("top-color,t", po::value(), "Cube top color in 'r:g:b' format again with reals in [0,1].") ("demo", "auto advance slides based on transition duration (\\transduration)") ("program", po::value(), "Specify a program: duration:transition:duration:transition:... e.g. 5::5:c:7: (overrides \\transboxin and \\transduration PDF attributes)") ("no-fullscreen,n", "Don't activate full-screen mode by default."); po::options_description hidden("Hidden options"); hidden.add_options() ("input-file,i", po::value(), "PDF file to show."); po::positional_options_description p; p.add("input-file", -1); po::options_description commandline; commandline.add(generic).add(opts).add(hidden); po::options_description dotopts; dotopts.add(opts); po::options_description visible; visible.add(generic).add(opts); po::variables_map vm; char* home(0); home = getenv("HOME"); if(home) { std::ostringstream dotfilebuf; dotfilebuf << home << "/.pdfcuberc"; string dotfilename(dotfilebuf.str()); std::cerr << "Reading options from " << dotfilename << std::endl; std::ifstream dotfile(dotfilename.c_str()); if(dotfile.good()) { try { po::store(po::parse_config_file(dotfile, dotopts), vm); } catch (const boost::program_options::error& e) { std::cerr << "Error parsing the .pdfcuberc dotfile: " << e.what() << std::endl; return -1; } } } try { po::store(po::command_line_parser(argc, argv). options(commandline).positional(p).run(), vm); } catch (const boost::program_options::error& e) { std::cerr << "Command line option parsing error: " << e.what() << std::endl; return -1; } po::notify(vm); string input_file; if(vm.count("help")) { cout << endl << "pdfcube 0.0.5" << endl; cout << "=============" << endl; cout << "Copyright (C) 2006-2012 Mirko Maischberger " << endl; cout << " 2008 Karol Sokolowski " << endl << endl; cout << visible << endl; cout << endl; cout << "Usage examples:" << endl; cout << " $ pdfcube" << endl; cout << " $ pdfcube presentation.pdf" << endl; cout << " $ pdfcube presentation.pdf --bgcolor 0:0:0 --top-color 0.6:0.2:0.2" << endl << endl << " The \"Box\" transition present in PDF files is rendered as a 3D cube." << endl << " (e.g in beamer you can use the \\transboxin command)" << endl << endl << " If no file is given on the command line a file open dialog is shown." << endl << endl << " NB: floating point numbers are locale aware on some C libraries." << endl << endl << endl; return 0; } if(vm.count("version")) { cout << "pdfcube 0.0.5" << endl; return 0; } if(vm.count("bgcolor")) { vector cc; string v; std::istringstream iss(vm["bgcolor"].as()); while(getline(iss, v, ':')) cc.push_back(::atof(v.c_str())); if(cc.size() != 3) { cerr << "You should specify 3 values for background-color." << endl; exit(1); } std::copy(&cc[0], &cc[3], &clear_color[0]); } if(vm.count("top-color")) { vector tc; string v; std::istringstream iss(vm["top-color"].as()); while(getline(iss, v, ':')) tc.push_back(::atof(v.c_str())); if(tc.size() != 3) { cerr << "You should specify 3 values for top-color." << endl; exit(1); } std::copy(&tc[0], &tc[3], &top_color[0]); } if (vm.count("input-file")) { input_file = vm["input-file"].as(); } else { GtkWidget* filesel; filesel = gtk_file_chooser_dialog_new("Choose a PDF presentation...", NULL, GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT, NULL); if (gtk_dialog_run(GTK_DIALOG(filesel)) == GTK_RESPONSE_ACCEPT) { char *filename; filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(filesel)); input_file = filename; g_free(filename); } else return 0; gtk_widget_destroy(filesel); } /* Configure OpenGL framebuffer. */ glconfig = configure_gl(); gchar * absoluteFileName = get_absolute_file_name(input_file.c_str()); gchar * filename_uri = g_filename_to_uri(absoluteFileName, NULL, NULL); g_free(absoluteFileName); if (NULL == filename_uri) { cerr << "File name error." << endl; } clog << "Opening: " << filename_uri << endl; GError *error = NULL; PopplerDocument * document = poppler_document_new_from_file(filename_uri, NULL, &error); if (document == NULL) { cerr << "Invaild PDF file." << error->message << endl; exit(1); } pc = new pdfcube(document); // Read transitions form PDF file page_transition = new bool[pc->pages()]; page_duration = new int[pc->pages()]; for(int ii(0); ii != pc->pages(); ++ii) { page_transition[ii] = false; page_duration[ii] = 0; PopplerPage* page = poppler_document_get_page(document, ii); PopplerPageTransition* transition = poppler_page_get_transition(page); if(!transition) { page_transition[ii] = false; } else { page_duration[ii] = (transition->duration * 1000); switch(transition->type) { case POPPLER_PAGE_TRANSITION_REPLACE: page_transition[ii] = false; break; case POPPLER_PAGE_TRANSITION_BOX: cerr << "Supported transition type (" << transition->type << ") at page " << (ii+1) << endl; page_transition[ii] = true; break; default: cerr << "Unsupported transition type (" << transition->type << ") at page " << (ii+1) << endl; break; } } } if(vm.count("program")) { std::istringstream iss(vm["program"].as()); int c1(0), c2(0); int last_duration(0); bool last_transition(false); for(;;) { string v; if(getline(iss, v, ':')) last_duration = page_duration[c1++] = ::atof(v.c_str())*1000; else break; if(getline(iss, v, ':')) last_transition = page_transition[(++c2)%pc->pages()] = (v == "c"); else break; if(c1 == pc->pages()) break; } // repeat last option for all following slides for(; c1!=pc->pages(); ++c1) page_duration[c1] = last_duration; for(; c2!=pc->pages(); ++c2) page_transition[(c2+1)%pc->pages()] = last_transition; } cerr << "program: "; for(int pp(0); pp!=pc->pages(); ++pp) cerr << page_duration[pp] << ":" << (page_transition[(pp+1)%pc->pages()] ? 'c' : 'p') << ":"; cerr << endl; /* Create and show the application window. */ window = create_window(glconfig); if(vm.count("no-fullscreen")) fullscreen = FALSE; else fullscreen = TRUE; if(fullscreen) gtk_window_fullscreen((GtkWindow *) (window)); gtk_widget_show(window); if(vm.count("demo")) { auto_advance_id = g_timeout_add(page_duration[pc->page()], (GSourceFunc)auto_advance, drawing_area); #ifndef NDEBUG cerr << "auto advance mode: " << page_duration[pc->page()] << endl; #endif } gtk_main(); return 0; } // EOF ////////////////////////////////////////////////////////////////////////// pdfcube-0.0.5/configure0000775000175000017500000062361611776313623012005 00000000000000#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated by GNU Autoconf 2.68. # # # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, # 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software # Foundation, Inc. # # # This configure script is free software; the Free Software Foundation # gives unlimited permission to copy, distribute and modify it. ## -------------------- ## ## M4sh Initialization. ## ## -------------------- ## # Be more Bourne compatible DUALCASE=1; export DUALCASE # for MKS sh if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then : emulate sh NULLCMD=: # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which # is contrary to our usage. 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