gif2png-2.5.8/0000775000175000017500000000000011726307361010073 500000000000000gif2png-2.5.8/gifread.c0000664000175000017500000004520511726302301011553 00000000000000/* This code is Copyright 1990 - 1994, David Koblas */ #include #include #include #include "gif2png.h" #define CM_RED 0 #define CM_GREEN 1 #define CM_BLUE 2 #define MAX_LWZ_BITS 12 #define INTERLACE 0x40 #define GLOBALCOLORMAP 0x80 #define LOCALCOLORMAP 0x80 #define BitSet(byte, bit) (((byte) & (bit)) == (bit)) #define ReadOK(file,buffer,len) (fread(buffer, len, 1, file) != 0) #define LM_to_uint(a,b) (((b)<<8)|(a)) struct gif_scr GifScreen; struct { int transparent; int delayTime; int inputFlag; int disposal; } Gif89; extern int c_437_l1[]; extern int verbose; static bool ReadColorMap(FILE *fd, unsigned int number, /*@out@*/GifColor buffer[]); static bool DoExtension(FILE *fd, int label); static ssize_t GetDataBlock(FILE *fd, /*@out@*/unsigned char *buf); static bool ReadImage(FILE *fd, int x_off, int y_off, int len, int height, unsigned int cmapSize, GifColor cmap[], bool interlace); static int imagecount; static bool recover_message; /* if true, message already printed */ /* check if recover option is active, if not, print warning */ static int check_recover(bool some_data) { if(recover) return imagecount; if(!recover_message && (imagecount>0 || some_data)) { (void)fprintf(stderr, "gif2png: image reading error, use option -r to recover "); if(imagecount>0) (void)fprintf(stderr, "%d complete image%s ", imagecount, (imagecount>1?"s":"")); if(imagecount>0 && some_data) (void)fprintf(stderr, "and "); if(some_data) (void)fprintf(stderr, "partial data of a broken image"); (void)fprintf(stderr, "\n"); recover_message=true; } return -1; } /*@-noret@*/ int ReadGIF(FILE *fd) { unsigned char buf[16]; unsigned char c; GifColor localColorMap[MAXCMSIZE]; bool useGlobalColormap; unsigned int bitPixel; char gif_version[4]; int i; int w, h, x_off, y_off; imagecount=0; recover_message=false; /* * Initialize GIF89 extensions */ Gif89.transparent = -1; Gif89.delayTime = -1; Gif89.inputFlag = -1; Gif89.disposal = 0; if (! ReadOK(fd,buf,6)) { (void)fprintf(stderr, "gif2png: error reading magic number\n"); return(-1); } if (strncmp((char *)buf,"GIF",3) != 0) { (void)fprintf(stderr, "gif2png: not a GIF file\n"); return(-1); } strncpy(gif_version, (char *)buf + 3, 3); gif_version[3] = '\0'; if ((strcmp(gif_version, "87a") != 0) && (strcmp(gif_version, "89a") != 0)) { (void)fprintf(stderr, "gif2png: bad version number, not '87a' or '89a', trying anyway\n"); } if (! ReadOK(fd,buf,7)) { (void)fprintf(stderr, "gif2png: failed to read screen descriptor\n"); return(-1); } GifScreen.Width = LM_to_uint(buf[0],buf[1]); GifScreen.Height = LM_to_uint(buf[2],buf[3]); GifScreen.BitPixel = 2<<(buf[4]&0x07); GifScreen.ColorResolution = (((buf[4]&0x70)>>3)+1); GifScreen.ColorMap_present = BitSet(buf[4], GLOBALCOLORMAP); if (GifScreen.ColorMap_present) { /* Global Colormap */ if (ReadColorMap(fd, GifScreen.BitPixel, GifScreen.ColorMap)) { (void)fprintf(stderr, "gif2png: error reading global colormap\n"); return(-1); } } else { /* the GIF spec says that if neither global nor local * color maps are present, the decoder should use a system * default map, which should have black and white as the * first two colors. So we use black, white, red, green, blue, * yellow, purple and cyan. * I don't think missing color tables are a common case, * at least it's not handled by most GIF readers. */ static int colors[]={0, 7, 1, 2, 4, 3, 5, 6}; /*@-predboolint -type@*/ for(i=0 ; i 1) (void)fprintf(stderr, "gif2png: end of GIF data stream\n"); return(imagecount); } if (c == GIFextension) { /* Extension */ if (! ReadOK(fd,&c,1)) { (void)fprintf(stderr, "gif2png: EOF / read error on extension function code\n"); return check_recover(false); } if(DoExtension(fd, c)) return check_recover(false); continue; } if (c != GIFimage) { /* Not a valid start character */ (void)fprintf(stderr, "gif2png: bogus character 0x%02x\n", (unsigned int)c); return check_recover(false); } if (! ReadOK(fd,buf,9)) { (void)fprintf(stderr,"gif2png: couldn't read left/top/width/height\n"); return check_recover(false); } useGlobalColormap = ! BitSet(buf[8], LOCALCOLORMAP); bitPixel = 1<<((buf[8]&0x07)+1); x_off = LM_to_uint(buf[0],buf[1]); y_off = LM_to_uint(buf[2],buf[3]); w = LM_to_uint(buf[4],buf[5]); h = LM_to_uint(buf[6],buf[7]); if (! useGlobalColormap) { if (ReadColorMap(fd, bitPixel, localColorMap)) { (void)fprintf(stderr, "gif2png: error reading local colormap\n"); return check_recover(false); } if(!ReadImage(fd, x_off, y_off, w, h, bitPixel, localColorMap, BitSet(buf[8], INTERLACE))) { imagecount++; } } else { if(!GifScreen.ColorMap_present) { if (verbose > 1) (void)fprintf(stderr, "gif2png: neither global nor local colormap, using default\n"); } if(!ReadImage(fd, x_off, y_off, w, h, GifScreen.BitPixel, GifScreen.ColorMap, BitSet(buf[8], INTERLACE))) { imagecount++; } } /* * reset GIF89 extensions after image */ Gif89.transparent = -1; Gif89.delayTime = -1; Gif89.inputFlag = -1; Gif89.disposal = 0; } /* should never get here */ } /*@=noret@*/ static bool ReadColorMap(FILE *fd, unsigned int number, GifColor colors[]) { unsigned int i; byte rgb[3]; for (i = 0; i < number; ++i) { if (!ReadOK(fd, rgb, sizeof(rgb))) { (void)fprintf(stderr, "gif2png: bad colormap\n"); return(true); } colors[i].red = rgb[0]; colors[i].green = rgb[1]; colors[i].blue = rgb[2]; } for (i = number; i 1) (void)fprintf(stderr, "gif2png: got a 'Plain Text Extension' extension (skipping)\n"); while (GetDataBlock(fd, (unsigned char*) buf) > 0) continue; return (false); case GIFapplication:/* Application Extension */ str = "Application Extension"; break; case GIFcomment: /* Comment Extension */ allocate_element(); /* current now points to new element struct */ /* the GIF89a spec defines comment extensions to contain ASCII text, but doesn't specify what end-of-line delimiter is to be used. Most programs use DOS style (CR/LF), at least one uses CR (Graphic Workshop for Windows), unix programs probably use LF. We just delete CRs unless they are not followed by a LF, then we convert CR to LF. Even though 7 bit ASCII is specified, there are some GIF files with comments that use codepage 437 and most DOS GIF readers display this in the DOS charset (e.g. VPIC). We convert the characters both in cp437 and latin1 and try to approximate some of the box drawing chars. */ last_cr=false; while ((size=GetDataBlock(fd, (unsigned char*) buf)) > 0) { p2=p=buf; /* take care of CR as last char of one sub-block and no LF at first of the next */ if(last_cr && *p!='\n') { store_block("\n",1); last_cr=false; } while(p-buf 1) (void)fprintf(stderr, "gif2png: got a 'Comment Extension' extension\n"); current->GIFtype=label; fix_current(); return false; case GIFgraphicctl: /* Graphic Control Extension */ str = "Graphic Control Extension"; size = GetDataBlock(fd, (unsigned char*) buf); /*@-shiftimplementation@*/ Gif89.disposal = (buf[0] >> 2) & 0x7; Gif89.inputFlag = (buf[0] >> 1) & 0x1; Gif89.delayTime = LM_to_uint(buf[1],buf[2]); /*@=shiftimplementation@*/ if ((buf[0] & 0x1) != 0) Gif89.transparent = (int)((unsigned char)buf[3]); if(Gif89.disposal==0 && Gif89.inputFlag==0 && Gif89.delayTime==0) { /* do not keep GCEs only indicating transparency */ while (GetDataBlock(fd, (unsigned char*) buf) > 0) ; return (false); } else { /* copy block already read */ allocate_element(); /* current now points to new element struct */ goto copy_block; } default: if (verbose > 1) (void)fprintf(stderr, "gif2png: skipping unknown extension 0x%02x\n", (unsigned char)label); while (GetDataBlock(fd, (unsigned char*) buf) > 0) ; return (true); } allocate_element(); /* current now points to new element struct */ while ((size=GetDataBlock(fd, (unsigned char*) buf)) > 0) { copy_block: store_block(buf, (size_t)size); } if (verbose > 1) (void)fprintf(stderr, "gif2png: got a '%s' extension\n", str); current->GIFtype=label; fix_current(); return (false); } static bool ZeroDataBlock = false; /*@-mustdefine@*/ static ssize_t GetDataBlock(FILE *fd, unsigned char *buf) { size_t count; count = 0; if (! ReadOK(fd, &count, 1)) { (void)fprintf(stderr, "gif2png: error in getting DataBlock size\n"); return -1; } ZeroDataBlock = count == 0; if ((count != 0) && (! ReadOK(fd, buf, count))) { (void)fprintf(stderr, "gif2png: error in reading DataBlock\n"); return -1; } return((ssize_t)count); } /*@=mustdefine@*/ /* ** Pulled out of nextCode */ static int curbit, lastbit, last_byte; static bool return_clear, get_done; /* ** Out of nextLWZ */ static int stack[(1<<(MAX_LWZ_BITS))*2], *sp; static int code_size, set_code_size; static int max_code, max_code_size; static int clear_code, end_code; static void initLWZ(unsigned int input_code_size) { /*@-shiftnegative@*/ set_code_size = (int)input_code_size; code_size = set_code_size + 1; clear_code = 1 << set_code_size ; end_code = clear_code + 1; max_code_size = 2 * clear_code; max_code = clear_code + 2; /*@=shiftnegative@*/ curbit = lastbit = 0; last_byte = 2; get_done = false; return_clear = true; sp = stack; } static int nextCode(FILE *fd, int code_size) { static unsigned char buf[280]; static int maskTbl[16] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000f, 0x001f, 0x003f, 0x007f, 0x00ff, 0x01ff, 0x03ff, 0x07ff, 0x0fff, 0x1fff, 0x3fff, 0x7fff, }; int i, j, end; long ret; if (return_clear) { return_clear = false; return clear_code; } end = curbit + code_size; if (end >= lastbit) { ssize_t count; if (get_done) { if (verbose!=0 && curbit >= lastbit) { (void)fprintf(stderr, "gif2png: ran off the end of input bits\n"); } return -1; } buf[0] = buf[last_byte-2]; buf[1] = buf[last_byte-1]; if ((count = GetDataBlock(fd, &buf[2])) == 0) get_done = true; if (count<0) return -1; last_byte = 2 + (int)count; curbit = (curbit - lastbit) + 16; lastbit = (2+(int)count)*8 ; end = curbit + code_size; } j = end / 8; i = curbit / 8; /*@-shiftimplementation@*/ if (i == j) ret = (long)buf[i]; else if (i + 1 == j) ret = (long)buf[i] | ((long)buf[i+1] << 8); else ret = (long)buf[i] | ((long)buf[i+1] << 8) | ((long)buf[i+2] << 16); /*@-shiftnegative@*/ ret = (ret >> (curbit % 8)) & maskTbl[code_size]; /*@=shiftnegative@*/ /*@=shiftimplementation@*/ curbit += code_size; return (int)ret; } #define readLWZ(fd) ((sp > stack) ? *--sp : nextLWZ(fd)) static int nextLWZ(FILE *fd) { static int table[2][(1<< MAX_LWZ_BITS)]; static int firstcode, oldcode; int code, incode; register int i; while ((code = nextCode(fd, code_size)) >= 0) { if (code == clear_code) { /* corrupt GIFs can make this happen */ if (clear_code >= (1< 0) ; if (count != 0) { (void)fprintf(stderr, "gif2png: missing EOD in data stream (common occurrence)\n"); } return -2; } incode = code; if (code >= max_code) { *sp++ = firstcode; code = oldcode; } while (code >= clear_code) { *sp++ = table[1][code]; if (code == table[0][code]) { (void)fprintf(stderr, "gif2png: circular table entry BIG ERROR\n"); return(code); } if ((size_t)((char *)sp - (char *)stack) >= sizeof(stack)) { (void)fprintf(stderr, "gif2png: circular table STACK OVERFLOW!\n"); return(code); } code = table[0][code]; } *sp++ = firstcode = table[1][code]; if ((code = max_code) <(1<= max_code_size) && (max_code_size < (1< stack) return *--sp; } return code; } /* find the nearest line above that already has data in it */ /*@-dependenttrans -branchstate@*/ static byte * get_prev_line(int width, int height, int line) { int prev_line; byte *res; prev_line=inv_interlace_line(height,line)-1; while(interlace_line(height, prev_line)>=line) prev_line--; res = current->data + width*interlace_line(height, prev_line); return res; } /*@=dependenttrans -branchstate@*/ /*@-mustfreeonly -mustfreefresh@*/ static bool ReadImage(FILE *fd, int x_off, int y_off, int width, int height, unsigned int cmapSize, GifColor cmap[], bool interlace) { unsigned char *dp, c; int v; int xpos = 0, ypos = 0; unsigned char *image; int i; unsigned long *count; /* ** Initialize the compression routines */ if (! ReadOK(fd,&c,1)) { (void)fprintf(stderr, "gif2png: EOF / read error on image data\n"); return(true); } initLWZ(c); if (verbose > 1) (void)fprintf(stderr, "gif2png: reading %d by %d%s GIF image\n", width, height, interlace ? " interlaced" : "" ); allocate_image(); /* since we know how large the image will be, we set the size in advance. This saves a lot of realloc calls, which may require copying memory. */ set_size((size_t)width*height); image=xalloc((size_t)width); current->imagestruct->offset_x = x_off; current->imagestruct->offset_y = y_off; current->imagestruct->width = (png_uint_32)width; current->imagestruct->height = (png_uint_32)height; current->imagestruct->trans = Gif89.transparent; current->imagestruct->interlace= interlace; /*@-mayaliasunique@*/ memcpy(current->imagestruct->colors, cmap, sizeof(GifColor)*MAXCMSIZE); /*@=mayaliasunique@*/ count=current->imagestruct->color_count; for(i=0;i= (int)cmapSize) { if(v >= (int)cmapSize) (void)fprintf(stderr, "gif2png: reference to undefined colormap entry\n"); if(xpos>0 || ypos>0) { if(recover) { if(!interlace) { /* easy part, just fill the rest of the `screen' with color 0 */ memset(image+xpos,0, (size_t)(width-xpos)); store_block((char *)image,(size_t)width); ypos++; memset(image, 0, (size_t)width); for( ; ypos < height ; ypos++) store_block((char *)image,(size_t)width); } else { /* interlacing recovery is a bit tricky */ if(xpos>0) { if((inv_interlace_line(height, ypos)&7)==0) { /* in 1st pass */ memset(image+xpos, 0, (size_t)(width-xpos)); } else { /* pass >=2 */ memcpy(image+xpos, get_prev_line(width, height, ypos)+xpos, (size_t)(width-xpos)); } store_block((char *)image,(size_t)width); ypos++; } /* fill rest of 1st pass with color 0 */ memset(image, 0, (size_t)width); for( ; (inv_interlace_line(height, ypos)&7)==0 ; ypos++) store_block((char *)image,(size_t)width); /* all other passes, copy from line above */ for( ; ypos=0) continue; /*@-usedef@*/ (void)free(image); /*@=usedef@*/ fix_current(); /* * reset GIF89 extensions after image */ Gif89.transparent = -1; Gif89.delayTime = -1; Gif89.inputFlag = -1; Gif89.disposal = 0; return(false); } /*@=mustfreeonly =mustfreefresh@*/ /* gifread.c ends here */ gif2png-2.5.8/configure0000775000175000017500000047217711726243663011750 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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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. # # 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. # Written by Per Bothner . # The master version of this file is at the FSF in /home/gd/gnu/lib. # # This script attempts to guess a canonical system name similar to # config.sub. If it succeeds, it prints the system name on stdout, and # exits with 0. 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Hard to guess exactly what SunOS6 will be like, but # it's likely to be more like Solaris than SunOS4. echo sparc-sun-solaris3`echo ${UNAME_RELEASE}|sed -e 's/[^.]*//'` exit 0 ;; sun4*:SunOS:*:*) case "`/usr/bin/arch -k`" in Series*|S4*) UNAME_RELEASE=`uname -v` ;; esac # Japanese Language versions have a version number like `4.1.3-JL'. echo sparc-sun-sunos`echo ${UNAME_RELEASE}|sed -e 's/-/_/'` exit 0 ;; sun3*:SunOS:*:*) echo m68k-sun-sunos${UNAME_RELEASE} exit 0 ;; atari*:NetBSD:*:*) echo m68k-atari-netbsd${UNAME_RELEASE} exit 0 ;; atari*:OpenBSD:*:*) echo m68k-atari-openbsd${UNAME_RELEASE} exit 0 ;; sun3*:NetBSD:*:*) echo m68k-sun-netbsd${UNAME_RELEASE} exit 0 ;; sun3*:OpenBSD:*:*) echo m68k-sun-openbsd${UNAME_RELEASE} exit 0 ;; mac68k:NetBSD:*:*) echo m68k-apple-netbsd${UNAME_RELEASE} exit 0 ;; mac68k:OpenBSD:*:*) echo m68k-apple-openbsd${UNAME_RELEASE} exit 0 ;; RISC*:ULTRIX:*:*) echo mips-dec-ultrix${UNAME_RELEASE} exit 0 ;; VAX*:ULTRIX*:*:*) echo vax-dec-ultrix${UNAME_RELEASE} exit 0 ;; mips:*:4*:UMIPS) echo mips-mips-riscos4sysv exit 0 ;; mips:*:5*:RISCos) echo mips-mips-riscos${UNAME_RELEASE} exit 0 ;; m88k:CX/UX:7*:*) echo m88k-harris-cxux7 exit 0 ;; m88k:*:4*:R4*) echo m88k-motorola-sysv4 exit 0 ;; m88k:*:3*:R3*) echo m88k-motorola-sysv3 exit 0 ;; AViiON:dgux:*:*) if [ ${TARGET_BINARY_INTERFACE}x = m88kdguxelfx \ -o ${TARGET_BINARY_INTERFACE}x = x ] ; then echo m88k-dg-dgux${UNAME_RELEASE} else echo m88k-dg-dguxbcs${UNAME_RELEASE} fi exit 0 ;; M88*:DolphinOS:*:*) # DolphinOS (SVR3) echo m88k-dolphin-sysv3 exit 0 ;; M88*:*:R3*:*) # Delta 88k system running SVR3 echo m88k-motorola-sysv3 exit 0 ;; XD88*:*:*:*) # Tektronix XD88 system running UTekV (SVR3) echo m88k-tektronix-sysv3 exit 0 ;; Tek43[0-9][0-9]:UTek:*:*) # Tektronix 4300 system running UTek (BSD) echo m68k-tektronix-bsd exit 0 ;; *:IRIX*:*:*) echo mips-sgi-irix`echo ${UNAME_RELEASE}|sed -e 's/-/_/g'` exit 0 ;; ????????:AIX?:[12].1:2) # AIX 2.2.1 or AIX 2.1.1 is RT/PC AIX. echo romp-ibm-aix # uname -m gives an 8 hex-code CPU id exit 0 ;; # Note that: echo "'`uname -s`'" gives 'AIX ' i[34]86:AIX:*:*) echo i386-ibm-aix exit 0 ;; *:AIX:2:3) if grep bos325 /usr/include/stdio.h >/dev/null 2>&1; then sed 's/^ //' << EOF >dummy.c #include main() { if (!__power_pc()) exit(1); puts("powerpc-ibm-aix3.2.5"); exit(0); } EOF ${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0 rm -f dummy.c dummy echo rs6000-ibm-aix3.2.5 elif grep bos324 /usr/include/stdio.h >/dev/null 2>&1; then echo rs6000-ibm-aix3.2.4 else echo rs6000-ibm-aix3.2 fi exit 0 ;; *:AIX:*:4) if /usr/sbin/lsattr -EHl proc0 | grep POWER >/dev/null 2>&1; then IBM_ARCH=rs6000 else IBM_ARCH=powerpc fi if [ -x /usr/bin/oslevel ] ; then IBM_REV=`/usr/bin/oslevel` else IBM_REV=4.${UNAME_RELEASE} fi echo ${IBM_ARCH}-ibm-aix${IBM_REV} exit 0 ;; *:AIX:*:*) echo rs6000-ibm-aix exit 0 ;; ibmrt:4.4BSD:*|romp-ibm:BSD:*) echo romp-ibm-bsd4.4 exit 0 ;; ibmrt:*BSD:*|romp-ibm:BSD:*) # covers RT/PC NetBSD and echo romp-ibm-bsd${UNAME_RELEASE} # 4.3 with uname added to exit 0 ;; # report: romp-ibm BSD 4.3 *:BOSX:*:*) echo rs6000-bull-bosx exit 0 ;; DPX/2?00:B.O.S.:*:*) echo m68k-bull-sysv3 exit 0 ;; 9000/[34]??:4.3bsd:1.*:*) echo m68k-hp-bsd exit 0 ;; hp300:4.4BSD:*:* | 9000/[34]??:4.3bsd:2.*:*) echo m68k-hp-bsd4.4 exit 0 ;; 9000/[3478]??:HP-UX:*:*) case "${UNAME_MACHINE}" in 9000/31? ) HP_ARCH=m68000 ;; 9000/[34]?? ) HP_ARCH=m68k ;; 9000/7?? | 9000/8?[79] ) HP_ARCH=hppa1.1 ;; 9000/8?? ) HP_ARCH=hppa1.0 ;; esac HPUX_REV=`echo ${UNAME_RELEASE}|sed -e 's/[^.]*.[0B]*//'` echo ${HP_ARCH}-hp-hpux${HPUX_REV} exit 0 ;; 3050*:HI-UX:*:*) sed 's/^ //' << EOF >dummy.c #include int main () { long cpu = sysconf (_SC_CPU_VERSION); /* The order matters, because CPU_IS_HP_MC68K erroneously returns true for CPU_PA_RISC1_0. CPU_IS_PA_RISC returns correct results, however. */ if (CPU_IS_PA_RISC (cpu)) { switch (cpu) { case CPU_PA_RISC1_0: puts ("hppa1.0-hitachi-hiuxwe2"); break; case CPU_PA_RISC1_1: puts ("hppa1.1-hitachi-hiuxwe2"); break; case CPU_PA_RISC2_0: puts ("hppa2.0-hitachi-hiuxwe2"); break; default: puts ("hppa-hitachi-hiuxwe2"); break; } } else if (CPU_IS_HP_MC68K (cpu)) puts ("m68k-hitachi-hiuxwe2"); else puts ("unknown-hitachi-hiuxwe2"); exit (0); } EOF ${CC-cc} dummy.c -o dummy && ./dummy && rm dummy.c dummy && exit 0 rm -f dummy.c dummy echo unknown-hitachi-hiuxwe2 exit 0 ;; 9000/7??:4.3bsd:*:* | 9000/8?[79]:4.3bsd:*:* ) echo hppa1.1-hp-bsd exit 0 ;; 9000/8??:4.3bsd:*:*) echo hppa1.0-hp-bsd exit 0 ;; hp7??:OSF1:*:* | hp8?[79]:OSF1:*:* ) echo hppa1.1-hp-osf exit 0 ;; hp8??:OSF1:*:*) echo hppa1.0-hp-osf exit 0 ;; parisc*:Lites*:*:*) echo hppa1.1-hp-lites exit 0 ;; C1*:ConvexOS:*:* | convex:ConvexOS:C1*:*) echo c1-convex-bsd exit 0 ;; C2*:ConvexOS:*:* | convex:ConvexOS:C2*:*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit 0 ;; C34*:ConvexOS:*:* | convex:ConvexOS:C34*:*) echo c34-convex-bsd exit 0 ;; C38*:ConvexOS:*:* | convex:ConvexOS:C38*:*) echo c38-convex-bsd exit 0 ;; C4*:ConvexOS:*:* | convex:ConvexOS:C4*:*) echo c4-convex-bsd exit 0 ;; CRAY*X-MP:*:*:*) echo xmp-cray-unicos exit 0 ;; CRAY*Y-MP:*:*:*) echo ymp-cray-unicos${UNAME_RELEASE} exit 0 ;; CRAY*C90:*:*:*) echo c90-cray-unicos${UNAME_RELEASE} exit 0 ;; CRAY-2:*:*:*) echo cray2-cray-unicos exit 0 ;; hp3[0-9][05]:NetBSD:*:*) echo m68k-hp-netbsd${UNAME_RELEASE} exit 0 ;; hp3[0-9][05]:OpenBSD:*:*) echo m68k-hp-openbsd${UNAME_RELEASE} exit 0 ;; i[34]86:BSD/386:*:* | *:BSD/OS:*:*) echo ${UNAME_MACHINE}-unknown-bsdi${UNAME_RELEASE} exit 0 ;; *:FreeBSD:*:*) echo ${UNAME_MACHINE}-unknown-freebsd`echo ${UNAME_RELEASE}|sed -e 's/[-(].*//'` exit 0 ;; *:NetBSD:*:*) echo ${UNAME_MACHINE}-unknown-netbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` exit 0 ;; *:OpenBSD:*:*) echo ${UNAME_MACHINE}-unknown-openbsd`echo ${UNAME_RELEASE}|sed -e 's/[-_].*/\./'` exit 0 ;; *:GNU:*:*) echo `echo ${UNAME_MACHINE}|sed -e 's,/.*$,,'`-unknown-gnu`echo ${UNAME_RELEASE}|sed -e 's,/.*$,,'` exit 0 ;; *:Linux:*:*) # The BFD linker knows what the default object file format is, so # first see if it will tell us. ld_help_string=`ld --help 2>&1` if echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: elf_i[345]86"; then echo "${UNAME_MACHINE}-unknown-linux" ; exit 0 elif echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: i[345]86linux"; then echo "${UNAME_MACHINE}-unknown-linuxaout" ; exit 0 elif echo $ld_help_string | grep >/dev/null 2>&1 "supported emulations: i[345]86coff"; then echo "${UNAME_MACHINE}-unknown-linuxcoff" ; exit 0 elif test "${UNAME_MACHINE}" = "alpha" ; then echo alpha-unknown-linux ; exit 0 else # Either a pre-BFD a.out linker (linuxoldld) or one that does not give us # useful --help. Gcc wants to distinguish between linuxoldld and linuxaout. test ! -d /usr/lib/ldscripts/. \ && echo "${UNAME_MACHINE}-unknown-linuxoldld" && exit 0 # Determine whether the default compiler is a.out or elf cat >dummy.c </dev/null && ./dummy "${UNAME_MACHINE}" && rm dummy.c dummy && exit 0 rm -f dummy.c dummy fi ;; # ptx 4.0 does uname -s correctly, with DYNIX/ptx in there. earlier versions # are messed up and put the nodename in both sysname and nodename. i[34]86:DYNIX/ptx:4*:*) echo i386-sequent-sysv4 exit 0 ;; i[34]86:*:4.*:* | i[34]86:SYSTEM_V:4.*:*) if grep Novell /usr/include/link.h >/dev/null 2>/dev/null; then echo ${UNAME_MACHINE}-univel-sysv${UNAME_RELEASE} else echo ${UNAME_MACHINE}-unknown-sysv${UNAME_RELEASE} fi exit 0 ;; i[34]86:*:3.2:*) if test -f /usr/options/cb.name; then UNAME_REL=`sed -n 's/.*Version //p' /dev/null >/dev/null ; then UNAME_REL=`(/bin/uname -X|egrep Release|sed -e 's/.*= //')` (/bin/uname -X|egrep i80486 >/dev/null) && UNAME_MACHINE=i486 echo ${UNAME_MACHINE}-unknown-sco$UNAME_REL else echo ${UNAME_MACHINE}-unknown-sysv32 fi exit 0 ;; Intel:Mach:3*:*) echo i386-unknown-mach3 exit 0 ;; paragon:*:*:*) echo i860-intel-osf1 exit 0 ;; i860:*:4.*:*) # i860-SVR4 if grep Stardent /usr/include/sys/uadmin.h >/dev/null 2>&1 ; then echo i860-stardent-sysv${UNAME_RELEASE} # Stardent Vistra i860-SVR4 else # Add other i860-SVR4 vendors below as they are discovered. echo i860-unknown-sysv${UNAME_RELEASE} # Unknown i860-SVR4 fi exit 0 ;; mini*:CTIX:SYS*5:*) # "miniframe" echo m68010-convergent-sysv exit 0 ;; M680[234]0:*:R3V[567]*:*) test -r /sysV68 && echo 'm68k-motorola-sysv' && exit 0 ;; 3[34]??:*:4.0:3.0 | 3[34]??,*:*:4.0:3.0) uname -p 2>/dev/null | grep 86 >/dev/null \ && echo i486-ncr-sysv4.3 && exit 0 ;; 3[34]??:*:4.0:* | 3[34]??,*:*:4.0:*) uname -p 2>/dev/null | grep 86 >/dev/null \ && echo i486-ncr-sysv4 && exit 0 ;; m680[234]0:LynxOS:2.[23]*:*) echo m68k-lynx-lynxos${UNAME_RELEASE} exit 0 ;; mc68030:UNIX_System_V:4.*:*) echo m68k-atari-sysv4 exit 0 ;; i[34]86:LynxOS:2.[2345]*:*|i[34]86:LynxOS:3.[01]*:*) echo i386-lynx-lynxos${UNAME_RELEASE} exit 0 ;; TSUNAMI:LynxOS:2.[23]*:*) echo sparc-lynx-lynxos${UNAME_RELEASE} exit 0 ;; rs6000:LynxOS:2.[23]*:*) echo rs6000-lynx-lynxos${UNAME_RELEASE} exit 0 ;; RM*:SINIX-*:*:*) echo mips-sni-sysv4 exit 0 ;; *:SINIX-*:*:*) if uname -p 2>/dev/null >/dev/null ; then UNAME_MACHINE=`(uname -p) 2>/dev/null` echo ${UNAME_MACHINE}-sni-sysv4 else echo ns32k-sni-sysv fi exit 0 ;; *:Rhapsody:*:*) echo `arch`-apple-rhapsody${UNAME_RELEASE} exit 0 ;; esac #echo '(No uname command or uname output not recognized.)' 1>&2 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2 cat >dummy.c < # include #endif main () { #if defined (sony) #if defined (MIPSEB) /* BFD wants "bsd" instead of "newsos". Perhaps BFD should be changed, I don't know.... */ printf ("mips-sony-bsd\n"); exit (0); #else #include printf ("m68k-sony-newsos%s\n", #ifdef NEWSOS4 "4" #else "" #endif ); exit (0); #endif #endif #if defined (__arm) && defined (__acorn) && defined (__unix) printf ("arm-acorn-riscix"); exit (0); #endif #if defined (hp300) && !defined (hpux) printf ("m68k-hp-bsd\n"); exit (0); #endif #if defined (NeXT) #if !defined (__ARCHITECTURE__) #define __ARCHITECTURE__ "m68k" #endif int version; version=`(hostinfo | sed -n 's/.*NeXT Mach \([0-9]*\).*/\1/p') 2>/dev/null`; printf ("%s-next-nextstep%s\n", __ARCHITECTURE__, version==2 ? "2" : "3"); exit (0); #endif #if defined (MULTIMAX) || defined (n16) #if defined (UMAXV) printf ("ns32k-encore-sysv\n"); exit (0); #else #if defined (CMU) printf ("ns32k-encore-mach\n"); exit (0); #else printf ("ns32k-encore-bsd\n"); exit (0); #endif #endif #endif #if defined (__386BSD__) printf ("i386-unknown-bsd\n"); exit (0); #endif #if defined (sequent) #if defined (i386) printf ("i386-sequent-dynix\n"); exit (0); #endif #if defined (ns32000) printf ("ns32k-sequent-dynix\n"); exit (0); #endif #endif #if defined (_SEQUENT_) struct utsname un; uname(&un); if (strncmp(un.version, "V2", 2) == 0) { printf ("i386-sequent-ptx2\n"); exit (0); } if (strncmp(un.version, "V1", 2) == 0) { /* XXX is V1 correct? */ printf ("i386-sequent-ptx1\n"); exit (0); } printf ("i386-sequent-ptx\n"); exit (0); #endif #if defined (vax) #if !defined (ultrix) printf ("vax-dec-bsd\n"); exit (0); #else printf ("vax-dec-ultrix\n"); exit (0); #endif #endif #if defined (alliant) && defined (i860) printf ("i860-alliant-bsd\n"); exit (0); #endif exit (1); } EOF ${CC-cc} dummy.c -o dummy 2>/dev/null && ./dummy && rm dummy.c dummy && exit 0 rm -f dummy.c dummy # Apollos put the system type in the environment. test -d /usr/apollo && { echo ${ISP}-apollo-${SYSTYPE}; exit 0; } # Convex versions that predate uname can use getsysinfo(1) if [ -x /usr/convex/getsysinfo ] then case `getsysinfo -f cpu_type` in c1*) echo c1-convex-bsd exit 0 ;; c2*) if getsysinfo -f scalar_acc then echo c32-convex-bsd else echo c2-convex-bsd fi exit 0 ;; c34*) echo c34-convex-bsd exit 0 ;; c38*) echo c38-convex-bsd exit 0 ;; c4*) echo c4-convex-bsd exit 0 ;; esac fi #echo '(Unable to guess system type)' 1>&2 exit 1 gif2png-2.5.8/Makefile.bcc0000644000175000017500000000130111457413620012167 00000000000000 # Makefile for gif2png with Borland C++ PNGLIB=libpng-0.81 ZLIB=zlib-0.95 CC=bcc WILDARGS=d:/bc45/lib/16bit/wildargs.obj LIBS=$(PNGLIB)/libpng.lib $(ZLIB)/zlib.lib INCLUDE=-I$(PNGLIB) -I$(ZLIB) CFLAGS=$(INCLUDE) -O2 -Z -ml -DTMPFILE LDFLAGS=-ml OBJS=gif2png.obj gifread.obj version.obj 437_l1.obj memory.obj all: gif2png.exe gif2png.exe: $(OBJS) $(LIBS) echo $(OBJS) >link.opt echo $(LIBS) >>link.opt echo $(WILDARGS) >>link.opt $(CC) $(LDFLAGS) -e$@ @link.opt del link.opt gif2png.obj: gif2png.c gif2png.h gifread.obj: gifread.c gif2png.h memory.obj: memory.c gif2png.h version.obj: version.c $(CC) $(CFLAGS) -DPNGLIB="$(PNGLIB)" -DZLIB="$(ZLIB)" -c version.c clean: rm -f gif2png *.o gif2png-2.5.8/gif2png.10000664000175000017500000001542511726243706011442 00000000000000'\" t .\" Title: gif2png .\" Author: [see the "AUTHORS" section] .\" Generator: DocBook XSL Stylesheets v1.75.2 .\" Date: 03/08/2012 .\" Manual: Graphics .\" Source: gif2png .\" Language: English .\" .TH "GIF2PNG" "1" "03/08/2012" "gif2png" "Graphics" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" gif2png \- convert GIFs to PNGs .SH "SYNOPSIS" .HP \w'\fBgif2png\fR\ 'u \fBgif2png\fR [\-bdfghinprsvwO] [\fIfile\&.[gif]\fR...] .SH "DESCRIPTION" .PP The \fBgif2png\fR program converts files in the obsolescent Graphic Interchange Format (GIF) to Portable Network Graphics (PNG) format, an open W3C standard\&. .PP Normally \fBgif2png\fR converts each file named on the command line, leaving the original in place\&. If a name does not have a \&.gif extension, the unmodified name will be tried first, followed by the name with \&.gif appended\&. For each file named foo\&.gif, a foo\&.png will be created\&. .PP When a multi\-image GIF file named foo\&.gif is converted, gif2png creates multiple PNG files, each containing one frame; their names will be foo\&.png, foo\&.p01, foo\&.p02 etc\&. .PP If no source files are specified and stdin is a terminal, \fBgif2png\fR lists a usage summary and version information, then exits\&. .PP If no source files are specified, and stdin is a device or pipe, stdin is converted to noname\&.png\&. (The program can\*(Aqt be a normal stdin\-to\-stdout filter because of the possibility that the input GIF might have multiple images)\&. .PP However, if filter mode is forced (with \-f) stdin will be converted to stdout, with \fBgif2png\fR returning an error code if the GIF is multi\-image\&. .PP The program will preserve the information contained in a GIF file as closely as possible, including GIF comment and application\-data extension blocks\&. All graphics data (pixels, RGB color tables) will be converted without loss of information\&. Transparency is also preserved\&. There is one exception; GIF plain\-text extensions are skipped\&. .PP The program automatically converts interlaced GIFs to interlaced PNGs\&. It detects images in which all colors are gray (equal R, G, and B values) and converts such images to PNG grayscale\&. Other images are converted to use the PNG palette type\&. Duplicate color entries are silently preserved\&. Unused color\-table entries cause an error message\&. .PP The action of the program can be modified with the following command\-line switches: .PP \fB\-b\fR {#}RRGGBB .RS 4 Background\&. Replace transparent pixels with given RGB value, six hexadecimal digits interpreted as two hexits each of red, green, and blue value\&. The value may optionally be led with a #, HTML\-style\&. .RE .PP \fB\-d \fR .RS 4 Delete source GIF files after successful conversion\&. .RE .PP \fB\-f \fR .RS 4 Filter mode\&. Convert GIF on stdin to PNG on stdout, return error if the GIF is multi\-image\&. .RE .PP \fB\-m \fR .RS 4 Preserve file modification time\&. the PNG output gets the mod time of the input file, not the time it was converted\&. .RE .PP \fB\-g \fR .RS 4 Write gamma=1/2\&.2 and sRGB chunks in the PNG\&. .RE .PP \fB\-h \fR .RS 4 Generate PNG color\-frequency histogram chunks into converted color files\&. .RE .PP \fB\-i \fR .RS 4 Force conversion to interlaced PNG files\&. .RE .PP \fB\-n \fR .RS 4 Force conversion to non\-interlaced PNG files\&. .RE .PP \fB\-p \fR .RS 4 Display progress of PNG writing\&. .RE .PP \fB\-r \fR .RS 4 Try to recover data from corrupted GIF files\&. .RE .PP \fB\-s \fR .RS 4 Do not translate the GIF Software chunk to a PNG annotation\&. .RE .PP \fB\-v \fR .RS 4 Verbose mode; show summary line, \-vv enables conversion\-statistics and debugging messages\&. .RE .PP \fB\-w \fR .RS 4 Web\-probe switch; list GIFs that do not have multiple images to stdout\&. GIFs that fail this filter cause error messages to stderr\&. .RE .PP \fB \-O \fR .RS 4 Optimize; remove unused color\-table entries\&. Normally these trigger an error message and disable \fB\-d\fR (but conversion is completed anyway)\&. Also, use zlib compression level 9 (best compression) instead of the default level\&. The recovery algorithm enabled by \fB\-r\fR is as follows: Unused color table entries will not trigger an error message as they normally do, but will still be preserved unless \fB\-O\fR is also on, in which case they will be discarded\&. Missing color tables will be patched with a default that puts black at index 0, white at index 1, and supplies red, green, blue, yellow, purple and cyan as the remaining color values\&. Missing image pixels will be set to 0\&. Unrecognized or corrupted extensions will be discarded\&. .RE .SH "PROBLEMS" .PP Naively converting all your GIFs at one go with \fBgif2png\fR is not likely to give you the results you want\&. Animated GIFs cannot be translated to PNG, which is a single\-image format\&. .PP The web\-probe switch is intended to be used with scripts for converting web sites\&. In versions of this tool up to 2\&.5\&.2 it filtered out GIFs with transparency as well as GIFs with animations, but support for PNG transparency has been universal in browsers since about 2006\&. .SH "STANDARDS AND SPECIFICATIONS" .PP Copies of the GIF89 specification are widely available on the Web; search for "GRAPHICS INTERCHANGE FORMAT"\&. The Graphics Interchange Format(c) is the Copyright property of CompuServe Incorporated\&. GIF(sm) is a Service Mark property of CompuServe Incorporated\&. The GIF format was formerly covered by a blocking patent on LZW compression, but it expired in June 2003\&. .PP The PNG home site at <\m[blue]\fBhttp://www\&.libpng\&.org/pub/png/\fR\m[]> has very complete information on the PNG standard, PNG libraries, and PNG tools\&. .SH "SEE ALSO" .PP web2png(1) .SH "AUTHORS" .PP Code by Alexander Lehmann , 1995\&. Auto\-interlace conversion and tRNS optimization by Greg Roelofs , 1999\&. Man page, \-O, \-w, and production packaging by Eric S\&. Raymond , 1999\&. \-m option by Steve Ward, 2012\&. gif2png-2.5.8/COPYING0000644000175000017500000000344211726300704011041 00000000000000 LICENSE TERMS This program is provided under the libpng/zlib license: The gif2png code is Copyright (C) 1995 Alexander Lehmann and Copyright (C) 1999 by Eric S. Raymond. The file gifread.c is also Copyright 1990-1994 by David Koblas. ----------------------------------------------------------------------------- This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software. Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions: 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required. 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software. 3. This notice may not be removed or altered from any source distribution. ----------------------------------------------------------------------------- Part of gif2png (the file 437_l1.c) was generated by the `trans' program written by Kosta Kostis . This package (a great source for character conversion tables) is available from . The PNG specification is available from . Obviously, without the PNG effort this program wouldn't have been possible or necessary (or even conceivable). The Graphics Interchange Format(c) is the Copyright property of CompuServe Incorporated. GIF(sm) is a Service Mark property of CompuServe Incorporated. gif2png-2.5.8/ChangeLog0000644000175000017500000001672611457426104011575 00000000000000 There is no longer any point to this file, the actual information in it lives in the repo history. But the GNU gods must be appeased until we can dump the fscking autotools cruft. 2005-11-19 Eric S. Raymond * gif2png.c: Removed a possible bug in transparency handling. * gif2png.xml: Note that the patent has expired. * gif2png.c: Lop off trailing non-ASCII garbage. * memory.c: Get rid of access_data entirely. * gifread.c: Get rid of access_data entirely. * gif2png.h: Get rid of access_data entirely. * gif2png.c: Get rid of access_data entirely. * Get rid of the TMPFILE code. It's ridiculous on modern machines and only adds complexity. 2003-12-29 Eric S. Raymond * Improved RPM packaging. * gif2png.spec.in: Improved RPM packaging. * Improved RPM packaging. 2003-12-26 Eric S. Raymond * Makefile.am: Get rid of some brokenness. * This seems to be a known-good state. * Makefile.am: This seems to be a known-good state. * This seems to be a known-good state. 2003-07-26 Eric S. Raymond * Makefile.am: rpm -> rpmbuild. * specgen.sh: Counteract RH 8.0 brain death. * configure.in: Suppress an error message. * Ready to ship. * Ready to ship. * README: Ready to ship. * NEWS: Ready to ship. * Ready to ship. * Ready to ship. * configure.in: Ready to ship. * gif2png.xml: man page rendering doesn't handle quite right outside of leading section. 2002-07-30 Eric S. Raymond * specgen.sh: Correct site. * Makefile.am: Ready to ship. * Update. * web2png.sgml: XML conversion. * XML conversion. * Makefile.am: XML conversion. * gif2png.sgml: XML conversion. 2002-07-12 Eric S. Raymond * Makefile.am: Add SGML to sources. 2002-07-11 Eric S. Raymond * Makefile.am: SGML conversion. * gif2png.sgml: SGML conversion. * web2png.1: SGML conversion. * web2png.1: Last cleanup before SGML conversion. * gif2png.1: SGML conversion. 2002-06-26 Eric S. Raymond * NEWS: Added note about automake bug workaround. 2002-04-28 Eric S Raymond * configure.in: GRP's configuration changes. 2002-01-31 Eric S. Raymond * gif2png.c: -1/-f fix (thanks to Ambrose Li). 2002-01-30 Eric S. Raymond * configure.in: Version bump. * web2png: Typo fix. 2001-11-29 Eric S. Raymond * gif2png.1: Correct the LZW patent URL. 2001-03-08 Eric S. Raymond * gif2png.c: Macintosh port changes. * configure.in: Version bump. 2001-02-26 Eric S. Raymond * Makefile.am: Actually pummeled automake into working. * configure.in: Version bump. * gif2png.c: Converted to modern (post 0.89) API. 2000-12-25 Eric S. Raymond * README: Note the ImageMagick 5.2.2 bugfix. 2000-09-09 Eric S. Raymond * configure.in: Ready to ship 2.3.3. * gif2png.c: Handle vh401.gif correctly. 2000-09-01 Eric S. Raymond * gif2png.spec.in: Johan Vroman's fix to allow building RPMS without root. * gifread.c: Fix minor bug in GIF header reading. * web2png, gif2png.c: Markus Ueberall's bug fixes. 2000-02-26 Eric S. Raymond * configure.in: Release 2.3.2. * gif2png.c: Fix aspect-ratio handling. 2000-02-06 Eric S. Raymond * configure.in: Release 2.3.1. 2000-02-05 Eric S. Raymond * gif2png.c: Eliminate direct structure assignments. 2000-01-20 Eric S. Raymond * gif2png.c: Go through the API, not structure members. 2000-01-05 Eric S. Raymond * configure.in: Version bump for 2.3.0. 1999-12-23 Eric S. Raymond * web2png: Minor cleanup. 1999-12-08 Eric S. Raymond * configure.in: Version bump. 1999-12-05 Eric S. Raymond * web2png: Applied Bernhard Reiter's fix. 1999-12-03 Eric S. Raymond * web2png: Deal gracefully with GIF names that have leading numerics. 1999-11-27 Eric S. Raymond * web2png: Anand Kumria's bug fix. * gifread.c: GRP's changes. * gif2png.c: GRP's changes. * gif2png.1: GRP's changes. * INSTALL: GRP's changes. 1999-11-15 Eric S. Raymond * Release 2.2.3. * configure.in, README: Warnung corrected. * Release 2.2.2. * web2png: Added Python version check to web2png. * gif2png.c: Cosmetic change. * configure.in: Improved configuration mchinery. 1999-11-13 Eric S. Raymond * Release 2.2.1. * COPYING, gifread.c: License change. 1999-11-12 Eric S. Raymond * COPYING: Change the main license to linbpng/zlib. * gif2png.c, gif2png.1: Option cleanup. 1999-11-11 Eric S. Raymond * Release 2.2.0. * web2png: Simpler DJGPP machinery if you have long file names. * gif2png.c: discard optional preceding # on gif2png -b option value. * web2png: Fix to RCS machinery in web2png. 1999-11-09 Eric S. Raymond * Release 2.1.3. * gif2png.c: Don't require colon separators in the matte option value. * gif2png.h, gif2png.c, gif2png.1: Added background-matte (-b) option. * gifread.c: cleanup. 1999-11-08 Eric S. Raymond * Release 2.1.2 * gifread.c: 64-bit cleanliness. 1999-11-07 Eric S. Raymond * Release 2.1.1 * web2png: fix for an options bug. 1999-11-05 Eric S. Raymond * Release 2.0.2. 1999-11-03 Eric S. Raymond * web2png: Fix CSS and JavaScript files. * web2png: Process .inc files. * web2png: Added -a option. 1999-11-02 Eric S. Raymond * configure.in: Croak if libz or libpng are not accessible. * gif2png.c, gif2png.1: Add filter mode. 1999-11-01 Eric S. Raymond * Release 2.0.1 1999-10-31 Eric S. Raymond * Release 2.0.0. * gifread.c: Version name change. * gif2png.c, version.c: Minor fixes by Greg Roelofs. 1999-10-28 Eric S. Raymond * Release 1.2.2. * configure.in: Fixed a configure problem. 1999-10-27 Eric S. Raymond * web2png: Tell it to handle directories properly. Version 1.2.1. 1999-10-24 Eric S. Raymond * web2png: Version 1.2.0. 1999-10-14 Eric S. Raymond * configure.in: Ready to ship 1.1.1. * web2png: Minor fixes. 1999-10-13 Eric S. Raymond * gif2png.c: Fixed bug in converting grayscale images which are smaller when paletted. 1999-10-07 Eric S. Raymond * web2png: Version 0.99 1999-10-04 Eric S. Raymond * gif2png.c, gif2png.1, README: Added -w option. 1999-10-03 Eric S. Raymond * 1.0.0 packaged for release. * gif2png.c: Fixed a multiple-conversion bug. * gif2png.c: Style cleanup. 1999-09-25 Eric S. Raymond * README, INSTALL: Clean up build instructions. * gifread.c, gif2png.c: Emit error message on unused color entries and add -O option. * version.c, gifread.c, gif2png.c: replace -q with inverse -v (verbose) option. 1999-09-20 Eric S. Raymond * 0.99 packaged for production release. gif2png-2.5.8/Makefile.am0000664000175000017500000000212511726242560012046 00000000000000## Process this file with automake to produce Makefile.in bin_PROGRAMS = gif2png bin_SCRIPTS = web2png gif2png_SOURCES = 437_l1.c gif2png.c gifread.c memory.c version.c gif2png.h man_MANS = gif2png.1 web2png.1 # automake is buggy, it ought to include bin_SCRIPTS in the distribution EXTRA_DIST = Makefile Makefile.bcc Makefile.djgpp gif2png.xml web2png.xml gif2png.1 $(man_MANS) $(bin_SCRIPTS) ChangeLog gif2png-logo.png CLEANFILES = gif2png.1 web2png.1 gif2png.1: gif2png.xml xmlto man gif2png.xml gif2png.html: gif2png.xml xmlto html-nochunks gif2png.xml web2png.1: web2png.xml xmlto man web2png.xml PYLINTOPTS = --rcfile=/dev/null --reports=n --include-ids=y \ --disable=C0111,C0103,C0301,C0321,W0402,W0141,W0401,W0614,R0912,R0914,R0915 pylint: @pylint --output-format=parseable $(PYLINTOPTS) web2png SPLINTOPTS = -warnposix +charint -exitarg -compdestroy -exportlocal splint: splint +quiet $(SPLINTOPTS) $(gif2png_SOURCES) zip: $(DISTFILES) zip @PACKAGE@-@VERSION@.zip $(DISTFILES) release: gif2png-$(VERSION).tar.gz gif2png.html shipper -u -m -t; rm -f *.1 *.html *.rpm MANIFEST SHIPPER.* gif2png-2.5.8/install-sh0000755000175000017500000001272111457413620012015 00000000000000#! /bin/sh # # install - install a program, script, or datafile # This comes from X11R5 (mit/util/scripts/install.sh). # # Copyright 1991 by the Massachusetts Institute of Technology # # Permission to use, copy, modify, distribute, and sell this software and its # documentation for any purpose is hereby granted without fee, provided that # the above copyright notice appear in all copies and that both that # copyright notice and this permission notice appear in supporting # documentation, and that the name of M.I.T. not be used in advertising or # publicity pertaining to distribution of the software without specific, # written prior permission. M.I.T. makes no representations about the # suitability of this software for any purpose. It is provided "as is" # without express or implied warranty. # # 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. It can only install one file at a time, a restriction # shared with many OS's install programs. # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" transformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd="$cpprog" shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd="$stripprog" shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "install: no input file specified" exit 1 else true fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d $dst ]; then instcmd=: else instcmd=mkdir fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f $src -o -d $src ] then true else echo "install: $src does not exist" exit 1 fi if [ x"$dst" = x ] then echo "install: no destination specified" exit 1 else true fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d $dst ] then dst="$dst"/`basename $src` else true fi fi ## this sed command emulates the dirname command dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-${defaultIFS}}" oIFS="${IFS}" # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` IFS="${oIFS}" pathcomp='' while [ $# -ne 0 ] ; do pathcomp="${pathcomp}${1}" shift if [ ! -d "${pathcomp}" ] ; then $mkdirprog "${pathcomp}" else true fi pathcomp="${pathcomp}/" done fi if [ x"$dir_arg" != x ] then $doit $instcmd $dst && if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename $dst` else dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename $dst` else true fi # Make a temp file name in the proper directory. dsttmp=$dstdir/#inst.$$# # Move or copy the file name to the temp name $doit $instcmd $src $dsttmp && trap "rm -f ${dsttmp}" 0 && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && # Now rename the file to the real destination. $doit $rmcmd -f $dstdir/$dstfile && $doit $mvcmd $dsttmp $dstdir/$dstfile fi && exit 0 gif2png-2.5.8/web2png.xml0000644000175000017500000001323011457576007012104 00000000000000 web2png 1 6 October 1999 web2png web2png Graphics web2png convert a web tree from using GIFs to using PNGs web2png -adnrtv directory DESCRIPTION Web2png is a front end for gif2png(1) that automatically converts entire web page hierarchies from using GIFs to using PNGs. It does image conversion and patches IMG SRC references in web pages. The arguments to web2png must be directories; if none are given, the current directory is assumed. In each directory, web2png tries to convert every GIF to a PNG. It leaves alone GIFs that have multiple images, because these will not display properly in all current browsers. It also does not reconvert GIFs that already have corresponding PNGs (e.g. the same name except for the .gif file extension). The original GIFs are left in place. Web2png tracks successful conversions. It then looks at each HTML, secure HTML, HTML inclusion, PHP page, JavaScript program or Cascading Style Sheet under the argument directories (extensions html, shtml, .inc, .php, .js, .css). In these pages, it fixes each reference to each successful converted GIF to point at the PNG. References in relative HREF and BACKGROUND tags are recognized by filename and fixed (any base directory declared by a BASE tag will be be prepended to the relative URL). References that are HTTP URLs are matched against the list of convertible GIFs by basename; if there is such a match, the contents of the URL is retrieved and compared to the convertible GIF. If both basename and data match, the HTTP reference is fixed. If the pages are under RCS version control, they're checked out for modification before being altered; otherwise, a copy of the original of each modified web page is left in the same directory, with the additional extension .bak. The following options change the behavior of the program: Convert all GIF files, including those with multiple images. Delete originals. Removes all GIFs with corresponding PNGs, and all .bak files. Make no changes. With this option, web2png reports on what needs to be done (and on GIFs that have multiple images), but neither converts GIFs nor touches web pages. Reverse. Restore all HTML/SHTML/PHP pages from the .bak files created by a previous run (or, if the files were under version control, revert them). Remove PNGs with corresponding GIFs. Verbose. Utter more trace information about the conversion process. Web2png can be run on a directory that has already been partly converted by previous runs; it will do the minimum necessary amount of work. The changes it makes will be fully reversible with until you run it in mode. Web2png is written in Python. Python 1.5.2 or better must be installed and accessible on your system in order for web2png to run. NOTE Sometimes it's possible to convert transparent GIFs without altering the appearance of the page, by knowing from context that they will always place within an area of fixed and solid color. Web2png can't deduce when this will be, so it doesn't try; but it may be useful to apply gif2png with the -b option by hand. KNOWN PROBLEMS The algorithm for fixing HTTP URLs is not foolproof. It could be confused into incorrectly patching an HTTP URL reference to a GIF into an invalid reference to a PNG if the GIF matches a local target GIF by both basename and binary content, but actually lives on another host. This program does not automatically convert CGIs; you'll have to do that by hand. Other dynamic-content methods (such as server-side inclusions) may also require hand-hacking. The program cannot tell converted from preexisting PNGs; if you have PNGs with the same stem name as corresponding GIFs but carrying different information, the mode will clobber them. SEE ALSO gif2png(1) AUTHORS Eric S. Raymond <esr@thyrsus.com>, October 1999. Slightly modified for Debian by Aaron Isotton <aaron@isotton.com>. gif2png-2.5.8/depcomp0000755000175000017500000002753311457413620011375 00000000000000#! /bin/sh # depcomp - compile a program generating dependencies as side-effects # Copyright 1999, 2000 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, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # 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 . if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # `libtool' can also be set to `yes' or `no'. if test -z "$depfile"; then base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` dir=`echo "$object" | sed 's,/.*$,/,'` if test "$dir" = "$object"; then dir= fi # FIXME: should be _deps on DOS. depfile="$dir.deps/$base" fi tmpdepfile=${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 case "$depmode" in gcc3) ## gcc 3 implements dependency tracking that does exactly what ## we want. Yay! Note: for some reason libtool 1.4 doesn't like ## it if -MD -MP comes after the -MF stuff. Hmm. "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi mv "$tmpdepfile" "$depfile" ;; gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi "$@" -Wp,"$gccflag$tmpdepfile" stat=$? if test $stat -eq 0; then : else rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz ## The second -e expression handles DOS-style file names with drive letters. sed -e 's/^[^:]*: / /' \ -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. 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IFS=" " for arg do case "$arg" in "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") set fnord "$@" shift shift ;; *) set fnord "$@" "$arg" shift shift ;; esac done "$@" -E | sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" echo " " >> "$depfile" . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0 gif2png-2.5.8/config.h.in0000644000175000017500000000177311726243666012053 00000000000000/* config.h.in. Generated from configure.in by autoheader. */ /* Define to 1 if you have the `m' library (-lm). */ #undef HAVE_LIBM /* Define to 1 if you have the `png' library (-lpng). */ #undef HAVE_LIBPNG /* Define to 1 if you have the `z' library (-lz). */ #undef HAVE_LIBZ /* Define to 1 if your C compiler doesn't accept -c and -o together. */ #undef NO_MINUS_C_MINUS_O /* Name of package */ #undef PACKAGE /* Define to the address where bug reports for this package should be sent. */ #undef PACKAGE_BUGREPORT /* Define to the full name of this package. */ #undef PACKAGE_NAME /* Define to the full name and version of this package. */ #undef PACKAGE_STRING /* Define to the one symbol short name of this package. */ #undef PACKAGE_TARNAME /* Define to the home page for this package. */ #undef PACKAGE_URL /* Define to the version of this package. */ #undef PACKAGE_VERSION /* Define to 1 if you have the ANSI C header files. */ #undef STDC_HEADERS /* Version number of package */ #undef VERSION gif2png-2.5.8/NEWS0000644000175000017500000001325111726302027010504 00000000000000 History (also see the note at the end) * 2.5.8 @ 2012-03-09 Codebase is now statically checked using splint, with stronger type safety. * 2.5.7 @ 2012-03-08 Fix CVE-2009-5018, filename buffer overflow bug detected by Gentoo security. * 2.5.6 @ 2012-03-07 Fix patch for building with png-1.5, by Thomas Klausner . Blink production for visual checking in the regression-test suite. * 2.5.5 @ 2012-01-28 Added -m (preserve file modification time) option by Steve Ward. web2png is checked with pylint. * 2.5.4 @ 2010-11-24 Fix some web2png bugs revealed by pychecker. * 2.5.3 @ 2010-10-20 PNGs with transparency have been OK for web use since 2006. The gif2png -w switch no longer filters out GIFs with transparency, and the gif2png -t switch to enable them to pass is gone. Accordingly the -t switch of web2png is also gone. * 2.5.2 @ 2009-11-11 Apply C style tweaks from Glenn Randers-Pehrson, eliminating some deprecated API calls. * 2.5.1 @ 2003-12-29 Make RPMs buildable by non-root user. * 2.5.0 @ 2003-12-26 Updated RPM generation and packaging for Freshmeat release. * 2.4.7 @ 2003-12-26 Fixed man page paths in RPM spec. Fixed a bug in manual-page rendering. * 2.4.6 @ 2002-07-30 Document masters converted to DocBook. * 2.4.5 @ 2002-06-26 Work around an apparent automake bug that produced bad SRPMs. Man page typo fix. * 2.4.4 @ 2002-04-28 Glen Randers-Pehrson's configure.in tweaks to avoid testing for a deprecated function. * 2.4.3 @ 2002-01-30 Typo fix in the web2png script. Document -f, restore -1 for backwards compatibility. * 2.4.2 @ 2001-03-39 Mac porting fixes from Paul Matzke . * 2.4.1 @ 2001-02-26 Update to use the post-0.8.9 initialization code, so it will play nice with shared libraries. * 2.4.0 @ 2001-12-23 Added -t option to enable conversion of transparent images. * 2.3.3 @ 2000-09-09 Handle malformed (zero-length) GIF comments without coredumping. This was Debian bug #59830. * 2.3.2 @ 2000-02-26 Bug fix for aspect-ratio handling (Glenn Randers-Pehrson ). * 2.3.1 @ 2000-02-26 No more direct assignments of the PNG info structure members; it's all done through the API now. * 2.3.0 @ 2000-01-15 Cosmetic cleanup for stable release. * 2.2.5 @ 1999-12-08 Deal gracefully with files that have leading numerics in the name. Bernhard Reiter's fix to use relative pathnames. * 2.2.4 @ 1999-11-30 On -O, set maximum compression when writing the conversion. New -g option to write a gamma chunk by Glenn Randers-Pehrson. Configure option --with-png to set libpng header/library location. * 2.2.3 @ 1999-11-15 Corrected the warning in the README and on the web page. * 2.2.2 @ 1999-11-15 README: Added a warning about malfunctions under RH 6.1. gif2png.c: Added some explanatory comments. web2png: Added Python version check. * 2.2.1 @ 1999-11-14 License changed (with Alexander Lehman's and David Koblas's permission) to the libpng/zlib license. Option-processing cleanup. * 2.2.0 @ 1999-11-11 Simpler DJGPP machinery if you have long file names. discard optional preceding # on gif2png -b option value. Fix to RCS machinery in web2png. * 2.1.3 @ 1999-11-09 Added -b option to gif2png for painting transparent pixels with a specified background color. * 2.1.2 @ 1999-11-08 64-bit cleanliness patch for gif2png from Jesse Perry. * 2.1.1 @ 1999-11-07 Fixed an option-processing bug in web2png. * 2.0.3 @ 1999-11-07 Added -a option to web2png. Fix references in .inc/.css/.js files. * 2.0.2 @ 199-11-05 John Hascall's patch for filtermode. * 2.0.1 @ 1999-11-01 gif2png man page now warns about potential browser problems. Use env in web2png's #! for portability. * 2.0.0 @ 1999-10-31 Greg Roelofs sent a couple of minor fixes. This version is ready for Burn All GIFs Day. * 1.2.2 @ 1999-10-28 Fixed a bug in configure that was preventing it from finding the png library properly. * 1.2.1 @ 1999-10-27 Fixed a brown-paper-bag bug -- web2png ignored directory arguments. * 1.2.0 @ 1999-20-24 Added capability to web2png to handle BACKGROUND tags and http URLs. Thanks to Rob Reid . * 1.1.1 @ 1999-10-14 Fixed bug in converting grayscale images which are smaller when paletted (unusual situation). Thanks to Borek Lupomesky for sending us the image that revealed this problem. * 1.1.0 @ 1999-10-07 Added -w (web-probe) option for use with web2png and other script. Added 0.99 release of web2png script. * 1.0.0 @ 1999-09-25 Dramatically improved manual page. Added -O option, replaced -q with -v Fixed a bug affecting multiple conversions after a grayscale image. * 0.99 @ 1999-09-20 -d option now actually deletes the source GIF(s). Release packaging using automake/autoconf This program was written by a German university student named Alexander Lehmann in 1995. He evolved it to a beta version 0.6 and then dropped off the face of the net. In Fall 1999, after the program had been stable and in production use for four years, Greg Roelofs added some minor features and released 0.7. A short time later, with Greg's consent, I took over maintaining gif2png in order to give it a proper manual page and release packaging. Alexander Lehmann is OK with this and has even approved a change in the license terms to use the libpng/zlib license. This code was totally stable between 2004 and 2009, so it lay dormant in a bunch of RCS files for six years before being converted to a more modern VCS. 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rm -f *.1 *.html *.rpm MANIFEST SHIPPER.* # 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: gif2png-2.5.8/configure.in0000644000175000017500000000242211726243660012323 00000000000000dnl Autoconfigure input file for gif2png dnl Eric S. Raymond dnl dnl Process this file with autoconf to produce a configure script. dnl AC_INIT(gif2png.h) dnl A distinctive file to look for in srcdir. AM_INIT_AUTOMAKE(gif2png, 2.5.8) AM_CONFIG_HEADER(config.h) AC_PROG_CC AC_PROG_INSTALL AC_PROG_CPP dnl Later checks need this. AC_PROG_CC_C_O AC_HEADER_STDC AC_ARG_WITH(png,[ --with-png=DIR location of png lib/inc], [LDFLAGS="-L${withval} ${LDFLAGS}" CFLAGS="-I${withval} ${CFLAGS}"]) AC_ARG_WITH(png-lib,[ --with-png-lib=DIR location of png library], [LDFLAGS="-L${withval} ${LDFLAGS}"]) AC_ARG_WITH(png-inc,[ --with-png-inc=DIR location of the libpng include files], [CFLAGS="-I${withval} ${CFLAGS}"]) AC_CHECK_LIB(z, deflate) AC_CHECK_LIB(m, pow) AC_CHECK_LIB(png, png_get_io_ptr, , , $LIBS) if test "$ac_cv_lib_png_png_get_io_ptr" = "no" then AC_ERROR([PNG library is missing! Please get it.]) fi if test "$ac_cv_lib_z_deflate" = "no" then AC_ERROR([ZLIB library is missing! Please get it.]) fi AC_OUTPUT(Makefile) dnl Local Variables: dnl comment-start: "dnl " dnl comment-end: "" dnl comment-start-skip: "\\bdnl\\b\\s *" dnl compile-command: "make configure config.h.in" dnl End: gif2png-2.5.8/AUTHORS0000644000175000017500000000033111726300542011050 00000000000000Original code by Alexander Lehmann . Auto-interlace and tRNS optimization by Greg Roelofs . Documentation, packaging, and C modernization by Eric S. Raymond . gif2png-2.5.8/web2png0000755000175000017500000002573411711101611011276 00000000000000#!/usr/bin/env python """web2png -- convert a web hierarchy from using GIFs to using PNGs. This script is a front end for gif2png that assists you in converting an entire website. Requires gif2png 1.0.5 or later. Requires python 1.5.2 or later. Requires Unix. by Eric S. Raymond Slightly modified by Aaron Isotton for Debian. """ # Future library code -- I'm going to submit this for Python 1.6 import sys, os from stat import * if sys.version[:5] < "1.5.2": print "This program requires Python 1.5.2 or later." sys.exit(1) FTW_FILE = 0 # Item is a normal file FTW_DIR = 1 # Item is a directory FTW_CHRDEV = 2 # Item is a character special device file FTW_BLKDEV = 3 # Item is a block special device file FTW_FIFO = 4 # Item is a FIFO FTW_SYMLINK = 5 # Item is a symbolic link FTW_SOCKET = 6 # Item is a socket FTW_NOSTAT = -1 # stat failed on item FTW_DNR = -2 # item was an unreadable directory class FTWException(Exception): pass def ftw_inner(func, path=".", extra=None): if extra is None: extra = [] try: st = os.stat(path) except OSError: return FTW_NOSTAT mode = st[ST_MODE] if S_ISDIR(mode): try: subdirs = os.listdir(path) except OSError: return FTW_DNR if S_ISREG(mode): ftype = FTW_FILE if S_ISDIR(mode): ftype = FTW_DIR if S_ISBLK(mode): ftype = FTW_BLKDEV if S_ISCHR(mode): ftype = FTW_CHRDEV if S_ISFIFO(mode): ftype = FTW_FIFO if S_ISLNK(mode): ftype = FTW_SYMLINK if S_ISSOCK(mode): ftype = FTW_SOCKET terminate = apply(func, tuple([path, st, ftype] + list(extra))) if terminate < 0: raise FTWException, terminate if S_ISDIR(mode) and not terminate: for f in subdirs: ftw_inner(func, os.path.join(path, f), extra) def ftw(func, path=".", *extra): """Python tree-walker -- like ftw(3), but more capable.""" try: ftw_inner(func, path, extra) except FTWException, exval: return exval return 0 def find(fdir=".", regexp=None): """Return a tuple list of entries beneath dir matching a given pattern.""" def findhook(path, _, ftype, r, fl): if not r or r.search(path): fl.append((path, ftype)) return 0 flist = [] ftw(findhook, fdir, regexp, flist) return flist def findfiles(fdir=".", regexp=None): """Return a list of files beneath dir matching a given pattern.""" return map(lambda x: os.path.normpath(x[0]), filter(lambda t: t[1]==FTW_FILE, find(fdir, regexp))) def datacmp(f1, f2, blocksize=1): # print "Comparing %s with %s" % (f1, f2) # st1 = os.stat(f1); print st1 # st2 = os.stat(f2); print st2 f1 = open(f1, "r") f2 = open(f2, "r") blocknum = 0 try: while 1: blocknum = blocknum + 1 s1 = f1.read(blocksize) s2 = f2.read(blocksize) if not s1 and not s2: break elif s1 != s2: return blocknum finally: f1.close() f2.close() return None # End future library code import re, getopt, commands, string, urllib nochange = allopt = None gifre = re.compile(r"\.gif$", re.IGNORECASE) pngre = re.compile(r"\.png$", re.IGNORECASE) pagere = re.compile(r"\.s?html$|\.s?htm$|\.php$|\.inc$|\.css$|\.js$", re.IGNORECASE) bakre = re.compile(r"\.bak$", re.IGNORECASE) # Possible left delimiters of these matches are =, ", (, \s # Possible right delimiters of these matches are ", >, ), \s # .?"? parts deal with the possibility that the optional " might be backslashed delim = r'(?:\\?")?' # Optional double quote, possibly preceded by backslash gifre = delim + '([^">]*\.gif)' + delim imgre = re.compile(r'SRC=' + gifre, re.IGNORECASE) hrefre = re.compile(r'', re.IGNORECASE) backre = re.compile(r'BACKGROUND=' + gifre, re.IGNORECASE) basere = re.compile(r'', re.IGNORECASE) cssurlre = re.compile(r'url\(' + gifre + '\)', re.IGNORECASE) def version_controlled(page): # Is given page under version control? return os.path.exists(page + ",v") \ or os.path.exists(os.path.join("RCS", page) + ",v") def web2png(directory): # Convert a web hierarchy rooted on the given directory gifs = findfiles(directory, re.compile(gifre)) htmls = findfiles(directory, pagere) # There's a standard max on the number of arguments we can feed gif2png. # if we see more than these, if len(gifs) > 5120: print "web2png: Too many GIFs. Try converting some subtrees first." sys.exit(1) print "This web subtree has", len(gifs), "GIFs and", len(htmls), "pages." # Display information on files we won't convert rejects = \ commands.getoutput("gif2png -w "+string.join(gifs," ")+" >/dev/null") rejects = re.sub("gif2png: ", " ", rejects) if rejects: if allopt: print "You are forcing conversion of these GIFs:" else: print "The following GIFs will not be converted:" print rejects # Figure out which files are eligible for conversion if allopt: giflist = gifs else: giflist = \ string.split(commands.getoutput("gif2png -w "+string.join(gifs," ")+" 2>/dev/null")) if verbose: print "Giflist: " + repr(giflist) convert_gifs = [] for gif in giflist: png = re.sub(r"\.gif$", r".png", gif) if os.path.exists(png): print "\t%s already has a PNG equivalent" % (gif,) else: convert_gifs.append(gif) # Display information on files we will convert if convert_gifs: print "The following GIFs will be converted:\n\t" + \ string.join(convert_gifs, "\n\t") if not convert_gifs: print "All eligible GIFs seem to have been converted already." # Create a dictionary mapping pages to sets of references to be mapped print "Checking for HTML, PHP JavaScript and include pages that need conversion..." pagecount = 0 page_conversions = {} for ifile in htmls: fp = open(ifile, "r") contents = fp.read() fp.close() basedir = basere.search(contents) if basedir: basedir = basedir.group(1) else: basedir = os.path.dirname(ifile) matches = imgre.findall(contents) + hrefre.findall(contents) + backre.findall(contents) + cssurlre.findall(contents) if verbose: print "Found %d .gif image(s) references in %s." \ % (len(matches), file) convert_refs = [] gif_basenames = map(os.path.basename, giflist) for ref in matches: withbase = os.path.join(basedir, ref) # Simple case -- it's a filename, we presume it's local if withbase[:5] != "http:" and withbase[1:] != os.sep: target = os.path.normpath(withbase) if not target in giflist: if verbose: print "Won't replace %s. Not on my list." \ % target continue # Tricky case -- compare by basename and content else: basename = os.path.basename(withbase[7:]) if not basename in gif_basenames: print "No local match by basename for %s" % (ref,) continue target = giflist[gif_basenames.index(basename)] (data, _) = urllib.urlretrieve(withbase) not_equal = datacmp(data, target) os.remove(data) if not_equal: print "Data of %s and %s don't match at offset %d" % (ref, target, not_equal) continue ref = ref[:-4] convert_refs.append((ref, target)) if convert_refs: print "\tIn %s, I see: %s" % (file, string.join(map(lambda x: x[0]+".gif", convert_refs)," ")) page_conversions[file] = convert_refs pagecount = pagecount + 1 print "%d HTML or PHP page(s) need conversion." % (pagecount,) # Unless user is willing to make changes, we're done now if nochange: return # Convert gifs verbosely if convert_gifs: print "GIF conversions begin:" os.system("gif2png -v -O " + string.join(convert_gifs, " ")) # print "GIF conversions complete" # Now check to see which conversions did not take failures = [] for gif in convert_gifs: png = re.sub(r"\.gif$", r".png", gif) if not os.path.exists(png): failures.append(gif) if failures: print "Some conversions failed:", string.join(failures) # Now hack the references in the web pages for page in page_conversions.keys(): print "Converting %s..." % (page,) if version_controlled(page): os.system("co -l " + page) else: os.system("cp -pf " + page + " " + page + ".bak") fp = open(page, "r") contents = fp.read() fp.close() basedir = basere.search(contents) if basedir: basedir = basedir.group(1) else: basedir = "" for (ref, target) in page_conversions[page]: if target in giflist and not target in failures: source = '(?P[="(\s])' + ref + r'\.gif(?P[\s"\\>)])' target = r"\g" + ref + r".png\g" print "Source: %s, target %s" % (source, target) contents = re.sub(source, target, contents) fp = open(page, "w") fp.write(contents) fp.close() print "Page conversions complete." def cleanup(directory): # Clean up superfluous .gif and .bak files left over after a conversion map(os.unlink, findfiles(directory, bakre)) pnglist = findfiles(directory, pngre) for png in pnglist: gif = png[:-4] + ".gif" if os.path.exists(gif): os.remove(gif) def unconvert(directory): # Reverse a conversion pnglist = findfiles(directory, pngre) for png in pnglist: gif = png[:-4] + ".gif" if os.path.exists(gif): os.unlink(png) htmls = findfiles(directory, pagere) for page in htmls: if os.path.exists(page + ".bak"): os.rename(page + ".bak", page) elif version_controlled(page): os.system("rcs -u " + page) if __name__ == '__main__': delete = nochange = reverse = verbose = 0 (options, arguments) = getopt.getopt(sys.argv[1:], "adnrv") if not arguments: arguments = ['.'] for (switch, val) in options: if switch == '-a': allopt = 1 elif switch == '-d': delete = 1 elif switch == '-n': nochange = 1 elif switch == '-r': reverse = 1 elif switch == '-v': verbose = 1 if delete: map(cleanup, arguments) elif reverse: map(unconvert, arguments) else: map(web2png, arguments) # The following sets edit modes for GNU EMACS # Local Variables: # mode:python # End: gif2png-2.5.8/gif2png.xml0000644000175000017500000001765211725721126012100 00000000000000 gif2png 1 20 September 1999 gif2png gif2png Graphics gif2png convert GIFs to PNGs gif2png -bdfghinprsvwO file.[gif] DESCRIPTION The gif2png program converts files in the obsolescent Graphic Interchange Format (GIF) to Portable Network Graphics (PNG) format, an open W3C standard. Normally gif2png converts each file named on the command line, leaving the original in place. If a name does not have a .gif extension, the unmodified name will be tried first, followed by the name with .gif appended. For each file named foo.gif, a foo.png will be created. When a multi-image GIF file named foo.gif is converted, gif2png creates multiple PNG files, each containing one frame; their names will be foo.png, foo.p01, foo.p02 etc. If no source files are specified and stdin is a terminal, gif2png lists a usage summary and version information, then exits. If no source files are specified, and stdin is a device or pipe, stdin is converted to noname.png. (The program can't be a normal stdin-to-stdout filter because of the possibility that the input GIF might have multiple images). However, if filter mode is forced (with -f) stdin will be converted to stdout, with gif2png returning an error code if the GIF is multi-image. The program will preserve the information contained in a GIF file as closely as possible, including GIF comment and application-data extension blocks. All graphics data (pixels, RGB color tables) will be converted without loss of information. Transparency is also preserved. There is one exception; GIF plain-text extensions are skipped. The program automatically converts interlaced GIFs to interlaced PNGs. It detects images in which all colors are gray (equal R, G, and B values) and converts such images to PNG grayscale. Other images are converted to use the PNG palette type. Duplicate color entries are silently preserved. Unused color-table entries cause an error message. The action of the program can be modified with the following command-line switches: {#}RRGGBB Background. Replace transparent pixels with given RGB value, six hexadecimal digits interpreted as two hexits each of red, green, and blue value. The value may optionally be led with a #, HTML-style. Delete source GIF files after successful conversion. Filter mode. Convert GIF on stdin to PNG on stdout, return error if the GIF is multi-image. Preserve file modification time. the PNG output gets the mod time of the input file, not the time it was converted. Write gamma=1/2.2 and sRGB chunks in the PNG. Generate PNG color-frequency histogram chunks into converted color files. Force conversion to interlaced PNG files. Force conversion to non-interlaced PNG files. Display progress of PNG writing. Try to recover data from corrupted GIF files. Do not translate the GIF Software chunk to a PNG annotation. Verbose mode; show summary line, -vv enables conversion-statistics and debugging messages. Web-probe switch; list GIFs that do not have multiple images to stdout. GIFs that fail this filter cause error messages to stderr. Optimize; remove unused color-table entries. Normally these trigger an error message and disable (but conversion is completed anyway). Also, use zlib compression level 9 (best compression) instead of the default level. The recovery algorithm enabled by is as follows: Unused color table entries will not trigger an error message as they normally do, but will still be preserved unless is also on, in which case they will be discarded. Missing color tables will be patched with a default that puts black at index 0, white at index 1, and supplies red, green, blue, yellow, purple and cyan as the remaining color values. Missing image pixels will be set to 0. Unrecognized or corrupted extensions will be discarded. PROBLEMS Naively converting all your GIFs at one go with gif2png is not likely to give you the results you want. Animated GIFs cannot be translated to PNG, which is a single-image format. The web-probe switch is intended to be used with scripts for converting web sites. In versions of this tool up to 2.5.2 it filtered out GIFs with transparency as well as GIFs with animations, but support for PNG transparency has been universal in browsers since about 2006. STANDARDS AND SPECIFICATIONS Copies of the GIF89 specification are widely available on the Web; search for "GRAPHICS INTERCHANGE FORMAT". The Graphics Interchange Format(c) is the Copyright property of CompuServe Incorporated. GIF(sm) is a Service Mark property of CompuServe Incorporated. The GIF format was formerly covered by a blocking patent on LZW compression, but it expired in June 2003. The PNG home site at <http://www.libpng.org/pub/png/> has very complete information on the PNG standard, PNG libraries, and PNG tools. SEE ALSO web2png(1) AUTHORS Code by Alexander Lehmann <alex@hal.rhein-main.de>, 1995. Auto-interlace conversion and tRNS optimization by Greg Roelofs <newt@pobox.com>, 1999. Man page, -O, -w, and production packaging by Eric S. Raymond <esr@thyrsus.com>, 1999. -m option by Steve Ward, 2012. gif2png-2.5.8/gif2png.c0000664000175000017500000006440711726303374011526 00000000000000/* * gif2png.c * Copyright (C) 1995 Alexander Lehmann * Copyright (C) 1999 by Eric S. Raymond. * For conditions of distribution and use, see the file COPYING. */ #include #include #include #include /* for isatty() */ #include #include #include #include #include "gif2png.h" /* Define png_jmpbuf() in case we are using a pre-1.0.6 version of libpng */ #ifndef png_jmpbuf # define png_jmpbuf(png_ptr) (png_ptr->jmpbuf) #endif /*@i1@*/struct GIFelement first={NULL}; struct GIFelement *current; bool recover = false; int verbose = 0; static bool delete = false; static bool optimize = false; static bool histogram = false; static int interlaced = PNG_INTERLACE_LAST; static bool preserve_mtime = false; static bool progress = false; static bool webconvert = false; static bool software_chunk = true; static bool filtermode = false; static bool matte = false; static bool gamma_srgb = false; static GifColor matte_color; static long numgifs = 0L; static long numpngs = 0L; int interlace_line(int height, int line) /* return the actual line # used to store an interlaced line */ { int res; /*@-shiftimplementation@*/ if ((line & 7) == 0) { return line >> 3; } res = (height+7) >> 3; if ((line & 7) == 4) { return res+((line-4) >> 3); } res += (height+3) >> 3; if ((line & 3) == 2) { return res + ((line-2) >> 2); } return res + ((height+1) >> 2) + ((line-1) >> 1); /*@=shiftimplementation@*/ } int inv_interlace_line(int height, int line) /* inverse function of above, used for recovery of interlaced images */ { /*@-shiftimplementation@*/ if ((line << 3)> 3; if ((line << 3) + 4 < height) { return (line << 3) + 4; } line -= (height+3) >> 3; if ((line << 2) + 2 < height) { return (line << 2) + 2; } line -= (height + 1) >> 2; return (line << 1) + 1; /*@=shiftimplementation@*/ } /* * Do some adjustments of the color palette. * * We won't check for duplicate colors, this is probably only a very * rare case, but we check if all used colors are grays. Some GIF * writers (e.g. some versions of ppmtogif) leave the unused entries * uninitialized, which breaks the detection of grayscale images * (e.g. in QPV). * * If the image is grayscale we will use PNG color type 0, except when * the transparency color is also appearing as a visible color. In * this case we write a paletted image. Another solution would be * gray+alpha, but that would probably increase the image size too * much. * * If there are only few gray levels (<=16), we try to create a 4-bit * or less grayscale file, but if the gray levels do not fit into the * necessary grid, we write a paletted image--e.g., if the image * contains black, white and 50% gray, the grayscale image would * require 8-bit, but the paletted image only 2-bit. Even with * filtering, the 8-bit file will be larger. */ static bool is_gray(png_color c) { /* check if r==g==b, moved to function to work around NeXTstep 3.3 cc bug. * life could be so easy if at least the basic tools worked as expected. */ return c.red == c.green && c.green == c.blue; } /*@-globstate -mustfreefresh @*/ static int writefile(struct GIFelement *s, struct GIFelement *e, FILE *fp, bool lastimg) { int i; struct GIFimagestruct *img = e->imagestruct; unsigned long *count = img->color_count; GifColor *colors = img->colors; int colors_used = 0; byte remap[MAXCMSIZE]; bool low_prec; png_struct *png_ptr; png_info *info_ptr; int p; int gray_bitdepth; png_color pal_rgb[MAXCMSIZE], *pltep; png_byte pal_trans[MAXCMSIZE]; png_color_16 color16trans, color16back; byte buffer[24]; /* used for gIFt and gIFg */ int j; png_uint_16 histogr[MAXCMSIZE]; unsigned long hist_maxvalue; int passcount; int errtype, errorcount = 0; png_text software; png_text comment; /* these volatile declarations prevent gcc warnings ("variable might be * clobbered by `longjmp' or `vfork'") */ volatile bool gray = true; volatile int last_color = 0; volatile bool remapping = false; volatile int bitdepth; /*@-nullpass@*/ png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); if (png_ptr == NULL) { (void)fprintf(stderr, "gif2png: fatal error, out of memory\n"); (void)fprintf(stderr, "gif2png: exiting ungracefully\n"); exit(1); } info_ptr = png_create_info_struct(png_ptr); if (info_ptr == NULL) { (void)fprintf(stderr, "gif2png: fatal error, out of memory\n"); (void)fprintf(stderr, "gif2png: exiting ungracefully\n"); exit(1); } /*@=nullpass@*/ /* pacify splint by defining all this storage */ memset(remap, '\0', sizeof(remap)); memset(pal_rgb, '\0', sizeof(pal_rgb)); memset(pal_trans, '\0', sizeof(pal_trans)); /* ignore the transparency value if no pixel in the image uses it */ if (img->trans != -1 && count[img->trans] == 0) img->trans = -1; if (optimize) { /* zero out unused color table entries and use zlib level 9 */ for (i = 0; i < MAXCMSIZE; i++) if(count[i] == 0) colors[i].red = colors[i].green = colors[i].blue = 0; /* * The way that last_color is computed ensures that trailing zeroed-out * entries will be dropped. * FIXME: someday, actually compact unused colors out of the table * and remap pixels appropriately. */ } else if (!recover) { /* report unused colors so user can choose to reconvert */ int unused = 0; for (i = 0; i < MAXCMSIZE; i++) if (count[i] == 0) unused++; if (unused > 0) { (void)fprintf(stderr, "gif2png: %d unused colors; convert with -O to remove\n", unused); errorcount++; } } for (i = 0; i < MAXCMSIZE; i++) if (count[i] != 0) { gray &= is_gray(colors[i]); colors_used++; if (last_color < i) last_color = i; } if (gray) { if (verbose > 1) (void)fprintf(stderr, "gif2png: input image is grayscale\n"); if (img->trans != -1) { for (i = 0; i < MAXCMSIZE; i++) { if (i!=img->trans && colors[i].red == colors[img->trans].red) { gray = false; if (verbose > 1) (void)fprintf(stderr, "gif2png: transparent color is repeated in visible colors, using palette\n"); break; } } } } bitdepth = 8; if (last_color<16) bitdepth = 4; if (last_color<4) bitdepth = 2; if (last_color<2) bitdepth = 1; if (gray) { remapping = true; for (i = 0; i < MAXCMSIZE; i++) remap[i] = colors[i].red; gray_bitdepth = 8; /* try to adjust to 4-bit precision grayscale */ low_prec = true; for (i = 0; i < MAXCMSIZE; i++) { if ((remap[i]&0xf)*0x11 != remap[i]) { low_prec = false; break; } } if (low_prec) { for (i = 0; i < MAXCMSIZE; i++) { remap[i] &= 0xf; } gray_bitdepth = 4; } /* try to adjust to 2-bit precision grayscale */ if (low_prec) { for (i = 0; i < MAXCMSIZE; i++) { if ((remap[i]&3)*5 != remap[i]) { low_prec = false; break; } } } if (low_prec) { for (i = 0; i < MAXCMSIZE; i++) { remap[i] &= 3; } gray_bitdepth = 2; } /* try to adjust to 1-bit precision grayscale */ if (low_prec) { for (i = 0; i < MAXCMSIZE; i++) { if ((remap[i]&1)*3 != remap[i]) { low_prec = false; break; } } } if (low_prec) { for (i = 0; i < MAXCMSIZE; i++) { remap[i] &= 1; } gray_bitdepth=1; } if (bitdepth 1) (void)fprintf(stderr, "gif2png: %d colors used, highest color %d, %s, bitdepth %d\n", colors_used, last_color, gray ? "gray":"palette", bitdepth); if (verbose > 2) for (i = 0; i <= last_color; i++) { (void)fprintf(stderr, "(%3d, %3d, %3d)\n", colors[i].red, colors[i].blue, colors[i].green); } if (setjmp(png_jmpbuf(png_ptr)) != 0) { (void)fprintf(stderr, "gif2png: libpng returns fatal error condition\n"); (void)free(png_ptr); (void)free(info_ptr); return 1; } /* Create and initialize the png_struct with the desired error handler * functions. If you want to use the default stderr and longjump method, * you can supply NULL for the last three parameters. We also check that * the library version is compatible with the one used at compile time, * in case we are using dynamically linked libraries. REQUIRED. */ /*@-nullpass@*/ png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, (void *)NULL, NULL, NULL); /*@=nullpass@*/ if (png_ptr == NULL) return(2); /* Allocate/initialize the image information data. REQUIRED */ info_ptr = png_create_info_struct(png_ptr); if (info_ptr == NULL) { /*@i1@*/png_destroy_write_struct(&png_ptr, (png_infopp)NULL); return(2); } /* if errtype is not 1, this was generated by fatal() */ if ((errtype = setjmp(png_jmpbuf(png_ptr))) != 0) { png_destroy_write_struct(&png_ptr, &info_ptr); return errtype; } /* use standard C streams */ png_init_io(png_ptr, fp); if(optimize) png_set_compression_level(png_ptr, Z_BEST_COMPRESSION); if (gamma_srgb) { png_set_gAMA(png_ptr, info_ptr, 1./2.2); #if (PNG_LIBPNG_VER > 96) png_set_sRGB(png_ptr, info_ptr, PNG_sRGB_INTENT_PERCEPTUAL); #endif } /* set basic image properties: width/height, type, bit depth, interlace */ if (interlaced == PNG_INTERLACE_LAST) interlaced = current->imagestruct->interlace!=0 ? PNG_INTERLACE_ADAM7 : PNG_INTERLACE_NONE; png_set_IHDR(png_ptr, info_ptr, current->imagestruct->width, current->imagestruct->height, bitdepth, gray ? PNG_COLOR_TYPE_GRAY : PNG_COLOR_TYPE_PALETTE, interlaced, PNG_COMPRESSION_TYPE_DEFAULT, PNG_FILTER_TYPE_DEFAULT); /* if the GIF specified an aspect ratio, turn it into a pHYs chunk */ if (GifScreen.AspectRatio != 0 && GifScreen.AspectRatio != 49) png_set_pHYs(png_ptr, info_ptr, GifScreen.AspectRatio+15, 64, PNG_RESOLUTION_UNKNOWN); /* if the GIF specified an image offset, turn it into a oFFs chunk */ if (img->offset_x>0 && img->offset_y>0) png_set_oFFs(png_ptr, info_ptr, img->offset_x, img->offset_y, PNG_OFFSET_PIXEL); if (GifScreen.Background > 0) { /* no background for palette entry 0 */ /* if the background color doesn't appear in local palette, we just leave it out, if the pic is part of an animation, at least some will use the global palette */ if (gray) { if (is_gray(GifScreen.ColorMap[GifScreen.Background])) { color16back.gray = remap[GifScreen.Background]; /*@-compdef@*/ png_set_bKGD(png_ptr, info_ptr, &color16back); /*@=compdef@*/ } } else { for (i = 0; i < MAXCMSIZE; i++) { if (GifScreen.ColorMap[GifScreen.Background].red == colors[i].red && GifScreen.ColorMap[GifScreen.Background].green == colors[i].green && GifScreen.ColorMap[GifScreen.Background].blue == colors[i].blue) { if (last_color < i) last_color = i; color16back.index = (png_byte)i; /*@-compdef@*/ png_set_bKGD(png_ptr, info_ptr, &color16back); /*@=compdef@*/ break; } } } } /* transparency handling */ if (img->trans != -1) { if (gray) { if (verbose > 2) (void)fprintf(stderr, "gif2png: handling grayscale transparency\n"); color16trans.gray = remap[img->trans]; /*@-nullpass -compdef@*/ png_set_tRNS(png_ptr, info_ptr, NULL, 0, &color16trans); /*@=nullpass =compdef@*/ } else { if (verbose > 2) (void)fprintf(stderr, "gif2png: handling palette transparency\n"); /* GRR NOTE: may be inconsistent with background-color logic (above) */ remapping = true; for (i = 0; i < MAXCMSIZE; i++) remap[i] = (byte)i; remap[0] = (byte)img->trans; remap[img->trans] = 0; pal_trans[0] = 0; /*@-nullpass@*/ png_set_tRNS(png_ptr, info_ptr, pal_trans, 1, NULL); /*@=nullpass@*/ } } /* generate the PNG palette */ if (!gray) { if (remapping) { if (verbose > 2) (void)fprintf(stderr, "Remapping palette...\n"); for (i = 0; i <= last_color; i++) { pal_rgb[i].red = current->imagestruct->colors[remap[i]].red; pal_rgb[i].green = current->imagestruct->colors[remap[i]].green; pal_rgb[i].blue = current->imagestruct->colors[remap[i]].blue; } pltep = pal_rgb; } else { if (verbose > 2) (void)fprintf(stderr, "Palette copied from GIF colors...\n"); pltep = current->imagestruct->colors; } png_set_PLTE(png_ptr, info_ptr, pltep, last_color+1); if (verbose > 2) { (void)fprintf(stderr, "PNG palette generated with %d colors:\n", last_color+1); for (i = 0; i <= last_color; i++) { (void)fprintf(stderr, "(%3d, %3d, %3d)\n", pltep[i].red, pltep[i].blue, pltep[i].green); } } } /* generate histogram chunk for paletted images only */ if (histogram && !gray) { hist_maxvalue = 0; for (i = 0; i < MAXCMSIZE; i++) if (count[i]>hist_maxvalue) hist_maxvalue = count[i]; if (hist_maxvalue <= 65535) { /* no scaling necessary */ for (i = 0; i < MAXCMSIZE; i++) histogr[i] = (png_uint_16)count[i]; } else { for (i = 0; i < MAXCMSIZE; i++) if (count[i] != 0) { histogr[i] = (png_uint_16) #ifdef __GO32__ /* avoid using fpu instructions on djgpp, so we don't need emu387 */ (((long long)count[i]*65535)/hist_maxvalue); #else ((double)count[i]*65535.0/hist_maxvalue); #endif if (histogr[i] == 0) histogr[i] = 1; } else { histogr[i] = 0; } } png_set_hIST(png_ptr, info_ptr, histogr); } /* transcribe software chunk if necessary */ /*@-observertrans -statictrans@ -unqualifiedtrans -branchstate*/ if (software_chunk) { software.compression = PNG_TEXT_COMPRESSION_NONE; software.key = "Software"; software.text = (char*)version; software.text_length = strlen(software.text); png_set_text(png_ptr, info_ptr, &software, 1); } /*@=observertrans =statictrans =unqualifiedtrans =branchstate@*/ png_write_info(png_ptr, info_ptr); if (bitdepth<8) png_set_packing(png_ptr); /* loop over elements until we reach the image or the last element if this is the last image in a GIF */ while(lastimg ? s != NULL : s != e->next) { byte *data; switch((byte)s->GIFtype) { /*@-branchstate@*/ case GIFimage: passcount = png_set_interlace_handling(png_ptr); for (p = 0; pimagestruct->height; i++) { if (progress) { if (passcount>1) (void)fprintf(stderr, "%d/%d ", p+1, passcount); (void)fprintf(stderr, "%2d%%\r", (int)(((long)i*100)/current->imagestruct->height)); (void)fflush(stderr); } data = current->data + (long) (img->interlace!=0 ? interlace_line((int)current->imagestruct->height,i) : i) * current->imagestruct->width; /* we have to remap once */ if (remapping && p == 0) { for (j = 0; j < (int)img->width; j++) { data[j] = remap[data[j]]; } } png_write_row(png_ptr, data); } break; case GIFcomment: j = (int)s->size; /* some GIF encoders produce trailing garbage and NULs */ if (j > 0 && ((s->data[j-1] == '\0') || (s->data[j-1] & 0x80)!=0)) --j; /*@-observertrans -statictrans @*/ comment.key = "Comment"; if (j<500) { comment.compression = PNG_TEXT_COMPRESSION_NONE; } else { comment.compression = PNG_TEXT_COMPRESSION_zTXt; } comment.text = (png_charp)s->data; comment.text_length = strlen(comment.text); png_set_text(png_ptr, info_ptr, &comment, 1); /*@=observertrans =statictrans@*/ break; case GIFapplication: png_write_chunk_start(png_ptr, (unsigned char *)"gIFx", (png_uint_32)s->size); png_write_chunk_data(png_ptr, s->data, (png_size_t)s->size); png_write_chunk_end(png_ptr); break; /* Plain Text Extensions are not supported because they represent a separate subimage, and PNG is explicitly a single-image format. PNG's gIFt chunk has been officially deprecated. */ #if 0 case GIFplaintext: /* gIFt is 12 bytes longer than GCE, due to 32-bit ints and rgb colors */ png_write_chunk_start(png_ptr, "gIFt", s->size+12); memset(buffer, 0, 24); buffer[2] = s->data[1]; buffer[3] = s->data[0]; buffer[6] = s->data[3]; buffer[7] = s->data[2]; buffer[10] = s->data[5]; buffer[11] = s->data[4]; buffer[14] = s->data[7]; buffer[15] = s->data[6]; buffer[16] = s->data[8]; buffer[17] = s->data[9]; buffer[18] = GifScreen.ColorMap[s->data[10]].red; buffer[19] = GifScreen.ColorMap[s->data[10]].green; buffer[20] = GifScreen.ColorMap[s->data[10]].blue; buffer[21] = GifScreen.ColorMap[s->data[11]].red; buffer[22] = GifScreen.ColorMap[s->data[11]].green; buffer[23] = GifScreen.ColorMap[s->data[11]].blue; png_write_chunk_s->data(png_ptr, buffer, 24); png_write_chunk_s->data(png_ptr, s->data+12, s->size-12); png_write_chunk_end(png_ptr); break; #endif case GIFgraphicctl: buffer[0] = (s->data[0] >> 2) & 7; buffer[1] = (s->data[0] >> 1) & 1; buffer[2] = s->data[2]; buffer[3] = s->data[1]; png_write_chunk(png_ptr, (unsigned char *)"gIFg", buffer, 4); break; default: (void)fprintf(stderr, "gif2png internal error: encountered unused element type %c\n", s->GIFtype); break; } /*@=branchstate@*/ s = s->next; } png_write_end(png_ptr, info_ptr); /* clean up after the write, and free any memory allocated */ png_destroy_write_struct(&png_ptr, &info_ptr); return errorcount; } /*@=globstate =mustfreefresh@*/ /*@-onlytrans@*/ int MatteGIF(GifColor matte) /* convert transparent pixels to a matte of given color */ { int icount = 0; /* apply matte color to image-local transparency values */ for (current = &first; current ; current = current->next) { if (current->imagestruct) { if (current->imagestruct->trans == -1) (void)fprintf(stderr, "gif2png: no transparency color in image %d, matte argument ignored\n", icount); else { if (verbose > 0) { (void)fprintf(stderr, "gif2png: transparent value in image %d is %d\n", icount, current->imagestruct->trans); } current->imagestruct->colors[current->imagestruct->trans] = matte; current->imagestruct->trans = -1; } } } return icount; } /*@=onlytrans@*/ /*@-onlytrans@*/ static int processfilter(void) { int num_pics; struct GIFelement *start; current = &first; num_pics = ReadGIF (stdin); (void)fclose(stdin); if (num_pics != 1) { (void)fprintf(stderr, "gif2png: %d images in -f (filter) mode\n", num_pics); return 1; } /* eliminate use of transparency, if that is called for */ if (matte) (void)MatteGIF(matte_color); start = NULL; for (current = first.next; current ; current = current->next) { if (start == NULL) start = current; if (current->GIFtype == GIFimage) { (void)writefile(start, current, stdout, true); start = NULL; ++numpngs; } } free_mem(); return 0; } /*@=onlytrans@*/ /*@-onlytrans@*/ static int processfile(char *fname, FILE *fp) { char outname[1025]; /* MAXPATHLEN comes under too many names */ int num_pics; struct GIFelement *start; int i; bool suppress_delete = false; char *file_ext; struct utimbuf time_buf; if (fp == NULL) return 1; current = &first; num_pics = ReadGIF (fp); if (preserve_mtime) { struct stat stat_buf; /*@-compdef@*/ /*@-unrecog@*//* needed because splint's POSIX library is buggy */ if (fstat(fileno(fp), &stat_buf) < 0) { perror("Could not get input file times"); return 1; } /*@=compdef@*/ /*@-usedef@*/ time_buf.actime = stat_buf.st_atime; time_buf.modtime = stat_buf.st_mtime; /*@=usedef@*/ } (void)fclose(fp); if (num_pics >= 0 && verbose > 1) (void)fprintf(stderr, "gif2png: number of images %d\n", num_pics); if (num_pics <= 0) return 1; if (webconvert) if (num_pics != 1) { (void)fprintf(stderr, "gif2png: %s is multi-image\n", fname); return 0; } else { (void)printf("%s\n", fname); return 0; } /* eliminate use of transparency, if that is called for */ if (matte) (void)MatteGIF(matte_color); /* create output filename */ (void)strcpy(outname, fname); file_ext = outname+strlen(outname); if (file_ext >= outname + 4) file_ext -= 4; if (strcmp(file_ext, ".gif") != 0 && strcmp(file_ext, ".GIF") != 0 && strcmp(file_ext, "_gif") != 0 && strcmp(file_ext, "_GIF") != 0) { /* try to derive basename */ file_ext = outname+strlen(outname); while(file_ext >= outname) { if (*file_ext == '.' || *file_ext == '/' || *file_ext == '\\') break; file_ext--; } if (file_extnext) { if (start == NULL) start = current; if (current->GIFtype == GIFimage) { i++; if ((fp = fopen(outname, "wb")) == NULL) { perror(outname); return 1; } else { suppress_delete |= writefile(start, current, fp, i == num_pics); (void)fclose(fp); if (preserve_mtime) { /*@-compdef@*/ if (utime(outname, &time_buf) < 0) { perror("Could not set output file times"); return 1; } /*@=compdef@*/ } ++numpngs; start = NULL; /*@-bufferoverflowhigh*/ (void)sprintf(file_ext, ".p%02d", i); /*@=bufferoverflowhigh*/ } } } free_mem(); if (delete && !suppress_delete) { (void)unlink(fname); } return 0; } /*@=onlytrans@*/ /* check if stdin is a terminal, if your compiler is lacking isatty or fileno (non-ANSI functions), just return false */ static bool input_is_terminal(void) { return isatty(fileno(stdin))!=0; } int main(int argc, char *argv[]) { FILE *fp; int i; unsigned int background; int errors = 0; char name[1025]; int ac; char *color; software_chunk = true; for (ac = 1; ac < argc && argv[ac][0] == '-'; ac++) { for (i = 1; i < (int)strlen(argv[ac]); i++) switch(argv[ac][i]) { case 'b': if (ac >= argc - 1) { (void)fputs("gif2png: missing background-matte argument\n", stderr); exit(1); } color = argv[++ac]; if (*color == '#') color++; (void)sscanf(color, "%ux", &background); matte_color.red = (background >> 16) & 0xff; matte_color.green = (background >> 8) & 0xff; matte_color.blue = background & 0xff; matte = true; goto skiparg; case 'd': delete = true; break; case 'f': case '1': /* backward compatibility */ filtermode = true; break; case 'g': gamma_srgb = true; break; case 'h': histogram = true; break; case 'i': interlaced = PNG_INTERLACE_ADAM7; break; case 'm': preserve_mtime = true; break; case 'n': interlaced = PNG_INTERLACE_NONE; break; case 'p': progress = true; break; case 'r': recover = true; break; case 's': software_chunk = false; break; case 'v': ++verbose; break; case 'w': webconvert = true; break; case 'O': optimize = true; break; default: (void)fprintf(stderr, "gif2png: unknown option `-%c'\n", argv[ac][i]); usage: (void)fprintf(stderr, "\n" "usage: gif2png [ -bdfghinprstvwO ] [file[.gif]] ...\n" "\n" " -b replace background pels with given RRGGBB color (hex digits)\n" " -d delete source GIF files after successful conversion\n" " -f allow use as filter, die on multi-image GIF\n" " -g write gamma=(1.0/2.2) and sRGB chunks\n" " -h generate PNG histogram chunks into color output files\n" " -i force conversion to interlaced PNG files\n" " -m preserve input file modification time\n" " -n force conversion to noninterlaced PNG files\n" " -p display progress of PNG writing in %%\n" " -r try to recover corrupted GIF files\n" " -s do not write Software text chunk\n" " -t transparency OK, web probe mode accepts transparent GIFs\n" " -v verbose; display conversion statistics and debugging messages\n" " -w web probe, list images without animation or transparency\n" " -O optimize; remove unused color-table entries; use zlib level 9\n" " -1 one-only; same as -f; provided for backward compatibility\n" "\n" " If no source files are listed, stdin is converted to noname.png.\n" "\n" " This is %s, %s\n", version, compile_info); return 1; } skiparg:; } if (verbose > 1) (void)fprintf(stderr, "gif2png: %s, %s\n", version, compile_info); /* loop over arguments or use stdin */ if (argc == ac) { if (input_is_terminal()) { goto usage; } if (verbose > 1) (void)fprintf(stderr, "stdin:\n"); if (filtermode) { if (processfilter() != 0) ++errors; } else { (void)processfile("noname.gif", stdin); ++numgifs; } } else { for (i = ac;i' suffix; this check catches also the '.gif' case below. */ if (strlen(argv[i]) >= sizeof name - sizeof ".p" - 3 * sizeof(int)) { (void)fprintf(stderr, "%s: name too long\n", argv[i]); errors = 1; continue; } (void)strcpy(name, argv[i]); if ((fp = fopen(name, "rb")) == NULL) { /* retry with .gif appended */ (void)strcat(name, ".gif"); fp = fopen(name,"rb"); } if (fp == NULL) { perror(argv[i]); errors = 1; } else { if (verbose > 1) (void)fprintf(stderr, "%s:\n", name); errors |= processfile(name, fp); /* fp is closed in processfile */ ++numgifs; } } } if (verbose > 0) (void)fprintf(stderr, "Done (%s). Converted %ld GIF%s into %ld PNG%s.\n", errors!=0? "with one or more errors" : "no errors detected", numgifs, (numgifs == 1) ? "" : "s", numpngs, (numpngs == 1)? "" : "s"); return errors; } gif2png-2.5.8/version.c0000644000175000017500000000113111457413620011633 00000000000000/* * version.c * Copyright (C) 1995 Alexander Lehmann * For conditions of distribution and use, see the file COPYING */ #include "config.h" #include "zlib.h" #include "png.h" #ifndef PNGLIB # define PNGLIB "pnglib (unknown version)" #endif #ifndef ZLIB # define ZLIB "zlib (unknown version)" #endif const char version[] = "gif2png " VERSION; const char compile_info[]= #if defined(PNG_LIBPNG_VER_STRING) && defined(ZLIB_VERSION) "compiled " __DATE__ " with libpng " PNG_LIBPNG_VER_STRING " and zlib " ZLIB_VERSION "."; #else "compiled " __DATE__ " with " PNGLIB " and " ZLIB "."; #endif gif2png-2.5.8/aclocal.m40000664000175000017500000010432511726243663011664 00000000000000# generated automatically by aclocal 1.11.1 -*- Autoconf -*- # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, # 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. # This file 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. m4_ifndef([AC_AUTOCONF_VERSION], [m4_copy([m4_PACKAGE_VERSION], [AC_AUTOCONF_VERSION])])dnl m4_if(m4_defn([AC_AUTOCONF_VERSION]), [2.68],, [m4_warning([this file was generated for autoconf 2.68. 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We just wanted to have am__tar # and am__untar set. test -n "${am_cv_prog_tar_$1}" && break # tar/untar a dummy directory, and stop if the command works rm -rf conftest.dir mkdir conftest.dir echo GrepMe > conftest.dir/file AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar]) rm -rf conftest.dir if test -s conftest.tar; then AM_RUN_LOG([$am__untar /dev/null 2>&1 && break fi done rm -rf conftest.dir AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool]) AC_MSG_RESULT([$am_cv_prog_tar_$1])]) AC_SUBST([am__tar]) AC_SUBST([am__untar]) ]) # _AM_PROG_TAR gif2png-2.5.8/web2png.10000664000175000017500000001247011726243707011450 00000000000000'\" t .\" Title: web2png .\" Author: [see the "AUTHORS" section] .\" Generator: DocBook XSL Stylesheets v1.75.2 .\" Date: 03/08/2012 .\" Manual: Graphics .\" Source: web2png .\" Language: English .\" .TH "WEB2PNG" "1" "03/08/2012" "web2png" "Graphics" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" web2png \- convert a web tree from using GIFs to using PNGs .SH "SYNOPSIS" .HP \w'\fBweb2png\fR\ 'u \fBweb2png\fR [\-adnrtv] [\fIdirectory\fR...] .SH "DESCRIPTION" .PP Web2png is a front end for gif2png(1) that automatically converts entire web page hierarchies from using GIFs to using PNGs\&. It does image conversion and patches IMG SRC references in web pages\&. .PP The arguments to \fBweb2png\fR must be directories; if none are given, the current directory is assumed\&. .PP In each directory, \fBweb2png\fR tries to convert every GIF to a PNG\&. It leaves alone GIFs that have multiple images, because these will not display properly in all current browsers\&. It also does not reconvert GIFs that already have corresponding PNGs (e\&.g\&. the same name except for the \&.gif file extension)\&. The original GIFs are left in place\&. .PP Web2png tracks successful conversions\&. It then looks at each HTML, secure HTML, HTML inclusion, PHP page, JavaScript program or Cascading Style Sheet under the argument directories (extensions html, shtml, \&.inc, \&.php, \&.js, \&.css)\&. In these pages, it fixes each reference to each successful converted GIF to point at the PNG\&. References in relative HREF and BACKGROUND tags are recognized by filename and fixed (any base directory declared by a BASE tag will be be prepended to the relative URL)\&. References that are HTTP URLs are matched against the list of convertible GIFs by basename; if there is such a match, the contents of the URL is retrieved and compared to the convertible GIF\&. If both basename and data match, the HTTP reference is fixed\&. If the pages are under RCS version control, they\*(Aqre checked out for modification before being altered; otherwise, a copy of the original of each modified web page is left in the same directory, with the additional extension \&.bak\&. .PP The following options change the behavior of the program: .PP \fB\-a\fR .RS 4 Convert all GIF files, including those with multiple images\&. .RE .PP \fB\-d\fR .RS 4 Delete originals\&. Removes all GIFs with corresponding PNGs, and all \&.bak files\&. .RE .PP \fB\-n\fR .RS 4 Make no changes\&. With this option, \fBweb2png\fR reports on what needs to be done (and on GIFs that have multiple images), but neither converts GIFs nor touches web pages\&. .RE .PP \fB\-r\fR .RS 4 Reverse\&. Restore all HTML/SHTML/PHP pages from the \&.bak files created by a previous run (or, if the files were under version control, revert them)\&. Remove PNGs with corresponding GIFs\&. .RE .PP \fB\-v\fR .RS 4 Verbose\&. Utter more trace information about the conversion process\&. Web2png can be run on a directory that has already been partly converted by previous runs; it will do the minimum necessary amount of work\&. The changes it makes will be fully reversible with \fB\-r\fR until you run it in \fB\-d\fR mode\&. Web2png is written in Python\&. Python 1\&.5\&.2 or better must be installed and accessible on your system in order for \fBweb2png\fR to run\&. .RE .SH "NOTE" .PP Sometimes it\*(Aqs possible to convert transparent GIFs without altering the appearance of the page, by knowing from context that they will always place within an area of fixed and solid color\&. Web2png can\*(Aqt deduce when this will be, so it doesn\*(Aqt try; but it may be useful to apply gif2png with the \-b option by hand\&. .SH "KNOWN PROBLEMS" .PP The algorithm for fixing HTTP URLs is not foolproof\&. It could be confused into incorrectly patching an HTTP URL reference to a GIF into an invalid reference to a PNG if the GIF matches a local target GIF by both basename and binary content, but actually lives on another host\&. .PP This program does not automatically convert CGIs; you\*(Aqll have to do that by hand\&. Other dynamic\-content methods (such as server\-side inclusions) may also require hand\-hacking\&. .PP The program cannot tell converted from preexisting PNGs; if you have PNGs with the same stem name as corresponding GIFs but carrying different information, the \fB\-r\fR mode will clobber them\&. .SH "SEE ALSO" .PP gif2png(1) .SH "AUTHORS" .PP Eric S\&. Raymond , October 1999\&. .PP Slightly modified for Debian by Aaron Isotton \&. gif2png-2.5.8/gif2png-logo.png0000664000175000017500000000241111725716663013021 00000000000000‰PNG  IHDR$&¬È9“sRGB®ÎébKGDÿÿÿ ½§“ pHYs  šœtIMEÚ 4®ÿYA‰IDATXÃÅ—ÍoE‡ŸÙ/ÇIâoZG q) ÔcU@ Ä7¨@ý€Jå¨zä@\¨(•z)¨‘ªZÉâ ¢(U[¢|4"vbìĻޞlvíuìÄÞ“w=šyæ÷þÞyg…RŠvãêUa\¹¢d»s‰v¦'Ĥ 3¼öæ’zø¿MOˆIÏgvdŒ ÀÆ˶Éév ŒNÀL©302FÆ󙞓ÿ©Bû0cO‘yùf‘^¾A—V]¸Àç³×è?*TK@Ì ™S—Y Åí–v‘ãƒìç ª)P歌 À {¤Ø%…ÀBQ!EžVµFÕx̹ì¤[…:(’¦ ¬ÓÇurdpÇà *üH†xH’­àÍ[õTC Ì»y’[äy—¤â×Ïz—潬h`ƒU>Ê~EO3¨X Ì[HÆ™ )â7*Gž|R¬2¢N Ã ³7è: ª(ó:0Æ°¯o T-°Ãiæõ»$÷¹”ý£T( óÒ+`³I’¿pñcËdlÉ×[l2ÀÏ${ 3ÏÙìñ½/ªíMÎI 8l ê•1jćëð7]ÌÑÍ6%^tãÕŸîÔC ¥T=L 8ÁŸ”ñH@ TL!ñóC`;€ÃS®µPb¬\†…¾žyþ4˜&Ð¥ eH“Ç •ð~Ø€×6^%aÖéÏå@õ^$üú#ìy^æ9kÄÈ"Üý.:—eÀ—è·F(Ħʎ¹Âxuà.…Q~DÿÌ-¨Äo¡²ÂúP)x6nÄí ¡ %Hƒ ˆ2FÃÚûÓ‡Mƒ2N¡X…y{I‰F‚Z-õ$K+!‚EE°ÜA˜!…T0ó>|ÕúR‡ è¥EaÄ–:!/U¯ixÓìPÂÑË5òLø:ìéÔY5i«®´àdÛwjChcڀɧD Œ …ÂÀæ¾õ²ý”%ƒÅ¨ICýf¼È‘pà7AÅ6~3š›:Xˆˆ%«O¢áÙJ+Ym%&¿ëNæG\u, Ù•Ýà0t#3Š@­%,æq£I«9BÙ‡ÕPºÚ¢f¦®MÛL›è€‡´mE§þbïêôX! 6÷<y¬ 9€Ò@NwªÏN¤ú»ÜAð 2—êTÊ”^4 FLŠÀdŸïQìÆøQvHDN^€ÙA«-᱌dŽJÌÍà ÛYíu±ä&qèfðQ”äðÉ7½‚(m¶äÑ‹Á6¶#­ lúVBⓧ·m â6VÏ$—±ÈS!ìAà]<|$e}YK6Iýœ’”IQ$ÛjÞªší ¹C£R2*c.ª|p8J©I¤ª~ɽêß…Õö»ý/w?å:÷Žÿm/„¸™¡¿öõ^‰Êû›ªÀ¿ÿó7”nÞ5,IEND®B`‚gif2png-2.5.8/memory.c0000644000175000017500000000513311726233206011463 00000000000000/* * memory.c: memory storage for gif conversion * Copyright (C) 1995 Alexander Lehmann * For conditions of distribution and use, see the file COPYING. */ #include #include #include #include #include "gif2png.h" /*@-compdef@*/ void *xalloc(size_t s) { void *p=malloc(s); if(p==NULL) { (void)fprintf(stderr, "gif2png: fatal error, out of memory\n"); (void)fprintf(stderr, "gif2png: exiting ungracefully\n"); exit(1); } return p; } /*@=compdef@*/ /*@-temptrans@*/ void *xrealloc(void *p, size_t s) { p=realloc(p,s); if(p==NULL) { (void)fprintf(stderr, "gif2png: fatal error, out of memory\n"); (void)fprintf(stderr, "gif2png: exiting ungracefully\n"); exit(1); } return p; } /*@=temptrans@*/ /* allocate a new GIFelement, advance current pointer and initialize size to 0 */ #define ALLOCSIZE 8192 /*@-onlytrans -nullstate -mustfreeonly@*/ void allocate_element(void) { struct GIFelement *new=xalloc(sizeof(*new)); memset(new, 0, sizeof(*new)); new->next=NULL; /* just in case NULL is not represented by a binary 0 */ current->next=new; current=new; } /*@=onlytrans =nullstate =mustfreeonly@*/ /*@-mustfreeonly@*/ /* set size of current element to at least size bytes */ void set_size(size_t size) { size_t nalloc; if(current->allocated_size==0) { nalloc=size; if(nallocdata=xalloc(nalloc); current->allocated_size=nalloc; } else if(current->allocated_sizeallocated_size; if(nallocdata=xrealloc(current->data, current->allocated_size+nalloc); current->allocated_size+=nalloc; } } /*@=mustfreeonly@*/ void store_block(char *data, size_t size) { set_size(current->size+size); memcpy(current->data+current->size, data, size); current->size+=size; } /*@-mustfreeonly@*/ void allocate_image(void) { allocate_element(); current->GIFtype=GIFimage; current->imagestruct=xalloc(sizeof(*current->imagestruct)); memset(current->imagestruct, 0, sizeof(*current->imagestruct)); } /*@=mustfreeonly@*/ /*@-mustfreeonly@*/ void fix_current(void) { if(current->allocated_size!=current->size) { current->data=xrealloc(current->data, current->size); current->allocated_size=current->size; } } /*@=mustfreeonly@*/ /*@-nullstate@*/ void free_mem(void) { struct GIFelement *p,*t; p=first.next; first.next=NULL; while(p) { t=p; p=p->next; if(t->data) free(t->data); if(t->imagestruct) free(t->imagestruct); free(t); } } /*@=nullstate@*/ gif2png-2.5.8/437_l1.c0000644000175000017500000000731111457413620011065 00000000000000/****************************************************************************** * * * Src: IBM Codepage 437 (US) * * V1.01 by Kosta Kostis * * Source: Microsoft MS-DOS 5.0, Benutzerhandbuch und Referenz, Page 773 * * * * Dst: ISO 8859-1 (Latin Alphabet No. 1) * * V1.00 by Kosta Kostis * * Source: ECMA-94 * * ISO 2022 Sequence: (B-A * * * *****************************************************************************/ /* * hand-edited to approximate some of the box-drawing characters (AL) */ /****************************************************************************** Character Conversion Table ******************************************************************************/ #define BAD ' ' int c_437_l1 [] = { 0, 1, 2, 3, 4, 5, 6, 7, /* 000-007 */ 8, 9, 10, 11, 12, 13, 14, 15, /* 008-015 */ 16, 17, 18, 19, 182, 167, 22, 23, /* 016-023 */ 24, 25, 26, 27, 28, 29, 30, 31, /* 024-031 */ 32, 33, 34, 35, 36, 37, 38, 39, /* 032-039 */ 40, 41, 42, 43, 44, 45, 46, 47, /* 040-047 */ 48, 49, 50, 51, 52, 53, 54, 55, /* 048-055 */ 56, 57, 58, 59, 60, 61, 62, 63, /* 056-063 */ 64, 65, 66, 67, 68, 69, 70, 71, /* 064-071 */ 72, 73, 74, 75, 76, 77, 78, 79, /* 072-079 */ 80, 81, 82, 83, 84, 85, 86, 87, /* 080-087 */ 88, 89, 90, 91, 92, 93, 94, 95, /* 088-095 */ 96, 97, 98, 99, 100, 101, 102, 103, /* 096-103 */ 104, 105, 106, 107, 108, 109, 110, 111, /* 104-111 */ 112, 113, 114, 115, 116, 117, 118, 119, /* 112-119 */ 120, 121, 122, 123, 124, 125, 126, 127, /* 120-127 */ 199, 252, 233, 226, 228, 224, 229, 231, /* 128-135 */ 234, 235, 232, 239, 238, 236, 196, 197, /* 136-143 */ 201, 230, 198, 244, 246, 242, 251, 249, /* 144-151 */ 255, 214, 220, 162, 163, 165, BAD, BAD, /* 152-159 */ 225, 237, 243, 250, 241, 209, 170, 186, /* 160-167 */ 191, BAD, 172, 189, 188, 161, 171, 187, /* 168-175 */ '*', '%', '#', '|', '+', '+', '+', '+', /* 176-183 */ '+', '+', '+', '|', '+', '+', '+', '+', /* 184-191 */ '+', '+', '+', '+', '-', '+', '+', '+', /* 192-199 */ '+', '+', '+', '+', '+', '=', '+', '+', /* 200-207 */ '+', '+', '+', '+', '+', '+', '+', '+', /* 208-215 */ '+', '+', '+', BAD, BAD, BAD, BAD, BAD, /* 216-223 */ BAD, 223, BAD, BAD, BAD, BAD, 181, BAD, /* 224-231 */ BAD, BAD, BAD, BAD, BAD, BAD, BAD, BAD, /* 232-239 */ BAD, 177, BAD, BAD, BAD, BAD, 247, BAD, /* 240-247 */ 176, BAD, 183, BAD, BAD, 178, BAD, 160 /* 248-255 */ } ; 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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 gif2png-2.5.8/gif2png.h0000644000175000017500000000305211726200564011513 00000000000000/* See the file COPYING for conditions of use */ /* get png type definitions */ #include "png.h" #include #define GIFterminator ';' #define GIFextension '!' #define GIFimage ',' #define GIFcomment 0xfe #define GIFapplication 0xff #define GIFplaintext 0x01 #define GIFgraphicctl 0xf9 #define MAXCMSIZE 256 typedef unsigned char byte; typedef png_color GifColor; struct GIFimagestruct { GifColor colors[MAXCMSIZE]; unsigned long color_count[MAXCMSIZE]; int offset_x; int offset_y; png_uint_32 width; png_uint_32 height; int trans; bool interlace; }; struct GIFelement { struct GIFelement *next; char GIFtype; byte *data; size_t allocated_size; size_t size; /* only used if GIFtype==GIFimage */ struct GIFimagestruct *imagestruct; }; extern struct gif_scr{ unsigned int Width; unsigned int Height; GifColor ColorMap[MAXCMSIZE]; bool ColorMap_present; unsigned int BitPixel; unsigned int ColorResolution; int Background; unsigned int AspectRatio; } GifScreen; int ReadGIF(FILE *); int MatteGIF(GifColor); void allocate_element(void); void store_block(char *, size_t); void allocate_image(void); void set_size(size_t); void *xalloc(size_t); void *xrealloc(void *, size_t); void fix_current(void); void free_mem(void); int interlace_line(int height, int line); int inv_interlace_line(int height, int line); extern struct GIFelement first; extern struct GIFelement *current; extern bool recover; extern const char version[]; extern const char compile_info[]; extern int skip_pte; gif2png-2.5.8/README0000644000175000017500000000172511726301006010664 00000000000000 gif2png -- GIF to PNG graphics file conversion The gif2png program converts files from the Graphic Interchange Format to Portable Network Graphics. It can be built under any Unix, or under MS-DOS or Windows using djgpp, or using Borland C. I don't know when the djgpp or Borland builds were last tested. This distribution also supplies web2png, a Python front end for gif2png which automagically converts entire web hierarchies (the graphics files themselves and references to them in web pages). You can test the correctness of this code with the regression-test suite in the directory test/. While gif2png is very mature and well-tested, the kinds of bit-level tweaking operations it does could go subtly wrong on unusual hardware architectures. These programs have a home site at . Look there for updates and related resources. See NEWS for the project history. Eric S. Raymond esr@thyrsus.com http://www.catb.org/~esr gif2png-2.5.8/INSTALL0000644000175000017500000001576411457415206011056 00000000000000Quick Installation for Unix =========================== On Unix systems, to build from sources it is usually only necessary to run: configure make and then (as root) install with: make install If configure does not exist, first run autogen.sh The rest of this file describes details and unusual circumstances. Instructions for compiling under non-Unix operating systems can be found at the end of the file. If your libpng library and header files are in an unusual place, it may be helpful to specify the --with-png option; type configure --help for details. Installation Details ==================== 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' and config.h. 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. Type `make install' to install the programs and any data files and documentation. 4. 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 SGI IRIX has a very old version of libpng that won't work with gif2png. If you have installed a newer version of libpng and zlib in /usr/local, use this: CC="cc -n32 -L/usr/local/lib" CPPFLAGS="-I/usr/local/include" ./configure 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'. 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. Optional Features ================= The gif2png package has exactly one optional feature. Configuring with --enable-TMPFILE builts a version that keeps intermediate results of GIF versions in a tempfile rather than memory. Use of this option is not recommended, as it will hurt performance and is almost certainly not appropriate on modern machines with lots of memory. 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. `--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. Non-Unix builds =============== Compiling with dgpp I'm told that these commands bash ( tar xvzf gif2png-2.1.2.tar.gz cd gif2png-2.1.2 ) autoconf ./configure make will work under Windows. This probably won't work without long file name support. Compiling with Borland C++ (for MS-DOS, Windows) For MSDOS and similar systems, the file Makefile.bcc theoretically makes a Borland version of gif2png available. The following instructions are copied verbatim from the author's original README c. 1995; they may or may not reflect present reality. These same instructions, using the file Makefile.dgjpp, may allow you to compile under a bare DOS without LFN (long file name) support, which the autoconf-based recipe needs. gif2png.exe is compiled as a `normal' DOS executable without support for XMS or EMS or anything and should be used if either you are using a 286 or the 386 version is not working correctly. gif2png3.exe is compiled as go32 (386 protected mode) executable and works only on machines with at least a 386sx. This version supports virtual memory management provided by djgpp. For best performance, you should set the enviroment variable GO32TMP to a local hard disk, e.g. GO32TMP=c:\tmp. The program can run under either VCPI or DPMI memory management, if you have both, you can disable DPMI by adding nodpmi to the GO32 variable (don't ask me why, I think this a performance plus). If you are running Windows and the program crashes the system, you might try to disable screen saver programs, I had problems when After Dark was running. If you are interested in djgpp and especially in the sources for go32.exe, you can get the package from some SimTel mirrors in the directory vendors/djgpp, e.g. on ftp://oak.oakland.edu/SimTel If it is not working at all, you can always install Linux and compile the program yourself -- then you shouldn't have problems with memory management :-) gif2png-2.5.8/config.sub0000555000175000017500000004321411457413620011773 00000000000000#! /bin/sh # Configuration validation subroutine script, version 1.1. # Copyright (C) 1991, 1992, 1993, 1994, 1995 Free Software Foundation, Inc. # This file is (in principle) common to ALL GNU software. # The presence of a machine in this file suggests that SOME GNU software # can handle that machine. It does not imply ALL GNU software can. # # This file 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. # 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. # Configuration subroutine to validate and canonicalize a configuration type. # Supply the specified configuration type as an argument. # If it is invalid, we print an error message on stderr and exit with code 1. # Otherwise, we print the canonical config type on stdout and succeed. # This file is supposed to be the same for all GNU packages # and recognize all the CPU types, system types and aliases # that are meaningful with *any* GNU software. # Each package is responsible for reporting which valid configurations # it does not support. The user should be able to distinguish # a failure to support a valid configuration from a meaningless # configuration. # The goal of this file is to map all the various variations of a given # machine specification into a single specification in the form: # CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM # It is wrong to echo any other type of specification. if [ x$1 = x ] then echo Configuration name missing. 1>&2 echo "Usage: $0 CPU-MFR-OPSYS" 1>&2 echo "or $0 ALIAS" 1>&2 echo where ALIAS is a recognized configuration type. 1>&2 exit 1 fi # First pass through any local machine types. case $1 in *local*) echo $1 exit 0 ;; *) ;; esac # Separate what the user gave into CPU-COMPANY and OS (if any). basic_machine=`echo $1 | sed 's/-[^-]*$//'` if [ $basic_machine != $1 ] then os=`echo $1 | sed 's/.*-/-/'` else os=; fi ### Let's recognize common machines as not being operating systems so ### that things like config.sub decstation-3100 work. We also ### recognize some manufacturers as not being operating systems, so we ### can provide default operating systems below. case $os in -sun*os*) # Prevent following clause from handling this invalid input. ;; -dec* | -mips* | -sequent* | -encore* | -pc532* | -sgi* | -sony* | \ -att* | -7300* | -3300* | -delta* | -motorola* | -sun[234]* | \ -unicom* | -ibm* | -next | -hp | -isi* | -apollo | -altos* | \ -convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\ -c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \ -harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp ) os= basic_machine=$1 ;; -hiux*) os=-hiuxwe2 ;; -sco4) os=-sco3.2v4 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -sco3.2.[4-9]*) os=`echo $os | sed -e 's/sco3.2./sco3.2v/'` basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -sco3.2v[4-9]*) # Don't forget version if it is 3.2v4 or newer. basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -sco*) os=-sco3.2v2 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -isc) os=-isc2.2 basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -clix*) basic_machine=clipper-intergraph ;; -isc*) basic_machine=`echo $1 | sed -e 's/86-.*/86-unknown/'` ;; -lynx*) os=-lynxos ;; -ptx*) basic_machine=`echo $1 | sed -e 's/86-.*/86-sequent/'` ;; -windowsnt*) os=`echo $os | sed -e 's/windowsnt/winnt/'` ;; esac # Decode aliases for certain CPU-COMPANY combinations. case $basic_machine in # Recognize the basic CPU types without company name. # Some are omitted here because they have special meanings below. tahoe | i[345]86 | i860 | m68k | m68000 | m88k | ns32k | arm \ | arme[lb] | pyramid \ | tron | a29k | 580 | i960 | h8300 | hppa1.0 | hppa1.1 \ | alpha | we32k | ns16k | clipper | sparclite | i370 | sh \ | powerpc | powerpcle | sparc64 | 1750a | dsp16xx | mips64 | mipsel \ | pdp11 | mips64el | mips64orion | mips64orionel \ | sparc) basic_machine=$basic_machine-unknown ;; # Object if more than one company name word. *-*-*) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; # Recognize the basic CPU types with company name. vax-* | tahoe-* | i[345]86-* | i860-* | m68k-* | m68000-* | m88k-* \ | sparc-* | ns32k-* | fx80-* | arm-* | c[123]* \ | mips-* | pyramid-* | tron-* | a29k-* | romp-* | rs6000-* | power-* \ | none-* | 580-* | cray2-* | h8300-* | i960-* | xmp-* | ymp-* \ | hppa1.0-* | hppa1.1-* | alpha-* | we32k-* | cydra-* | ns16k-* \ | pn-* | np1-* | xps100-* | clipper-* | orion-* | sparclite-* \ | pdp11-* | sh-* | powerpc-* | powerpcle-* | sparc64-* | mips64-* | mipsel-* \ | mips64el-* | mips64orion-* | mips64orionel-*) ;; # Recognize the various machine names and aliases which stand # for a CPU type and a company and sometimes even an OS. 3b1 | 7300 | 7300-att | att-7300 | pc7300 | safari | unixpc) basic_machine=m68000-att ;; 3b*) basic_machine=we32k-att ;; alliant | fx80) basic_machine=fx80-alliant ;; altos | altos3068) basic_machine=m68k-altos ;; am29k) basic_machine=a29k-none os=-bsd ;; amdahl) basic_machine=580-amdahl os=-sysv ;; amiga | amiga-*) basic_machine=m68k-unknown ;; amigaos) basic_machine=m68k-unknown os=-amigaos ;; amigaunix | amix) basic_machine=m68k-cbm os=-sysv4 ;; apollo68) basic_machine=m68k-apollo os=-sysv ;; balance) basic_machine=ns32k-sequent os=-dynix ;; convex-c1) basic_machine=c1-convex os=-bsd ;; convex-c2) basic_machine=c2-convex os=-bsd ;; convex-c32) basic_machine=c32-convex os=-bsd ;; convex-c34) basic_machine=c34-convex os=-bsd ;; convex-c38) basic_machine=c38-convex os=-bsd ;; cray | ymp) basic_machine=ymp-cray os=-unicos ;; cray2) basic_machine=cray2-cray os=-unicos ;; crds | unos) basic_machine=m68k-crds ;; da30 | da30-*) basic_machine=m68k-da30 ;; decstation | decstation-3100 | pmax | pmax-* | pmin | dec3100 | decstatn) basic_machine=mips-dec ;; delta | 3300 | motorola-3300 | motorola-delta \ | 3300-motorola | delta-motorola) basic_machine=m68k-motorola ;; delta88) basic_machine=m88k-motorola os=-sysv3 ;; dpx20 | dpx20-*) basic_machine=rs6000-bull os=-bosx ;; dpx2* | dpx2*-bull) basic_machine=m68k-bull os=-sysv3 ;; ebmon29k) basic_machine=a29k-amd os=-ebmon ;; elxsi) basic_machine=elxsi-elxsi os=-bsd ;; encore | umax | mmax) basic_machine=ns32k-encore ;; fx2800) basic_machine=i860-alliant ;; genix) basic_machine=ns32k-ns ;; gmicro) basic_machine=tron-gmicro os=-sysv ;; h3050r* | hiux*) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; h8300hms) basic_machine=h8300-hitachi os=-hms ;; harris) basic_machine=m88k-harris os=-sysv3 ;; hp300-*) basic_machine=m68k-hp ;; hp300bsd) basic_machine=m68k-hp os=-bsd ;; hp300hpux) basic_machine=m68k-hp os=-hpux ;; hp9k2[0-9][0-9] | hp9k31[0-9]) basic_machine=m68000-hp ;; hp9k3[2-9][0-9]) basic_machine=m68k-hp ;; hp9k7[0-9][0-9] | hp7[0-9][0-9] | hp9k8[0-9]7 | hp8[0-9]7) basic_machine=hppa1.1-hp ;; hp9k8[0-9][0-9] | hp8[0-9][0-9]) basic_machine=hppa1.0-hp ;; i370-ibm* | ibm*) basic_machine=i370-ibm os=-mvs ;; # I'm not sure what "Sysv32" means. Should this be sysv3.2? i[345]86v32) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv32 ;; i[345]86v4*) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv4 ;; i[345]86v) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-sysv ;; i[345]86sol2) basic_machine=`echo $1 | sed -e 's/86.*/86-unknown/'` os=-solaris2 ;; iris | iris4d) basic_machine=mips-sgi case $os in -irix*) ;; *) os=-irix4 ;; esac ;; isi68 | isi) basic_machine=m68k-isi os=-sysv ;; m88k-omron*) basic_machine=m88k-omron ;; magnum | m3230) basic_machine=mips-mips os=-sysv ;; merlin) basic_machine=ns32k-utek os=-sysv ;; miniframe) basic_machine=m68000-convergent ;; mips3*-*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'` ;; mips3*) basic_machine=`echo $basic_machine | sed -e 's/mips3/mips64/'`-unknown ;; ncr3000) basic_machine=i486-ncr os=-sysv4 ;; news | news700 | news800 | news900) basic_machine=m68k-sony os=-newsos ;; news1000) basic_machine=m68030-sony os=-newsos ;; news-3600 | risc-news) basic_machine=mips-sony os=-newsos ;; next | m*-next ) basic_machine=m68k-next case $os in -nextstep* ) ;; -ns2*) os=-nextstep2 ;; *) os=-nextstep3 ;; esac ;; nh3000) basic_machine=m68k-harris os=-cxux ;; nh[45]000) basic_machine=m88k-harris os=-cxux ;; nindy960) basic_machine=i960-intel os=-nindy ;; np1) basic_machine=np1-gould ;; pa-hitachi) basic_machine=hppa1.1-hitachi os=-hiuxwe2 ;; paragon) basic_machine=i860-intel os=-osf ;; pbd) basic_machine=sparc-tti ;; pbb) basic_machine=m68k-tti ;; pc532 | pc532-*) basic_machine=ns32k-pc532 ;; pentium | p5 | p6 | i686) # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium basic_machine=i586-intel ;; pentium-* | p5-* | p6-* | i686-*) # We don't have specific support for the Intel Pentium (p6) followon yet, so just call it a Pentium basic_machine=i586-`echo $basic_machine | sed 's/^[^-]*-//'` ;; k5) # We don't have specific support for AMD's K5 yet, so just call it a Pentium basic_machine=i586-amd ;; nexen) # We don't have specific support for Nexgen yet, so just call it a Pentium basic_machine=i586-nexgen ;; pn) basic_machine=pn-gould ;; power) basic_machine=rs6000-ibm ;; ppc) basic_machine=powerpc-unknown ;; ppc-*) basic_machine=powerpc-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ppcle | powerpclittle | ppc-le | powerpc-little) basic_machine=powerpcle-unknown ;; ppcle-* | powerpclittle-*) basic_machine=powerpcle-`echo $basic_machine | sed 's/^[^-]*-//'` ;; ps2) basic_machine=i386-ibm ;; rm[46]00) basic_machine=mips-siemens ;; rtpc | rtpc-*) basic_machine=romp-ibm ;; sequent) basic_machine=i386-sequent ;; sh) basic_machine=sh-hitachi os=-hms ;; sps7) basic_machine=m68k-bull os=-sysv2 ;; spur) basic_machine=spur-unknown ;; sun2) basic_machine=m68000-sun ;; sun2os3) basic_machine=m68000-sun os=-sunos3 ;; sun2os4) basic_machine=m68000-sun os=-sunos4 ;; sun3os3) basic_machine=m68k-sun os=-sunos3 ;; sun3os4) basic_machine=m68k-sun os=-sunos4 ;; sun4os3) basic_machine=sparc-sun os=-sunos3 ;; sun4os4) basic_machine=sparc-sun os=-sunos4 ;; sun4sol2) basic_machine=sparc-sun os=-solaris2 ;; sun3 | sun3-*) basic_machine=m68k-sun ;; sun4) basic_machine=sparc-sun ;; sun386 | sun386i | roadrunner) basic_machine=i386-sun ;; symmetry) basic_machine=i386-sequent os=-dynix ;; tower | tower-32) basic_machine=m68k-ncr ;; udi29k) basic_machine=a29k-amd os=-udi ;; ultra3) basic_machine=a29k-nyu os=-sym1 ;; vaxv) basic_machine=vax-dec os=-sysv ;; vms) basic_machine=vax-dec os=-vms ;; vxworks960) basic_machine=i960-wrs os=-vxworks ;; vxworks68) basic_machine=m68k-wrs os=-vxworks ;; vxworks29k) basic_machine=a29k-wrs os=-vxworks ;; xmp) basic_machine=xmp-cray os=-unicos ;; xps | xps100) basic_machine=xps100-honeywell ;; none) basic_machine=none-none os=-none ;; # Here we handle the default manufacturer of certain CPU types. It is in # some cases the only manufacturer, in others, it is the most popular. mips) basic_machine=mips-mips ;; romp) basic_machine=romp-ibm ;; rs6000) basic_machine=rs6000-ibm ;; vax) basic_machine=vax-dec ;; pdp11) basic_machine=pdp11-dec ;; we32k) basic_machine=we32k-att ;; sparc) basic_machine=sparc-sun ;; cydra) basic_machine=cydra-cydrome ;; orion) basic_machine=orion-highlevel ;; orion105) basic_machine=clipper-highlevel ;; *) echo Invalid configuration \`$1\': machine \`$basic_machine\' not recognized 1>&2 exit 1 ;; esac # Here we canonicalize certain aliases for manufacturers. case $basic_machine in *-digital*) basic_machine=`echo $basic_machine | sed 's/digital.*/dec/'` ;; *-commodore*) basic_machine=`echo $basic_machine | sed 's/commodore.*/cbm/'` ;; *) ;; esac # Decode manufacturer-specific aliases for certain operating systems. if [ x"$os" != x"" ] then case $os in # -solaris* is a basic system type, with this one exception. -solaris1 | -solaris1.*) os=`echo $os | sed -e 's|solaris1|sunos4|'` ;; -solaris) os=-solaris2 ;; -unixware* | svr4*) os=-sysv4 ;; -gnu/linux*) os=`echo $os | sed -e 's|gnu/linux|linux|'` ;; # First accept the basic system types. # The portable systems comes first. # Each alternative MUST END IN A *, to match a version number. # -sysv* is not here because it comes later, after sysvr4. -gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \ | -vms* | -sco* | -esix* | -isc* | -aix* | -sunos | -sunos[345]* \ | -hpux* | -unos* | -osf* | -luna* | -dgux* | -solaris* | -sym* \ | -amigaos* | -msdos* | -newsos* | -unicos* | -aos* \ | -nindy* | -vxworks* | -ebmon* | -hms* | -mvs* | -clix* \ | -riscos* | -linux* | -uniplus* | -iris* | -rtu* | -xenix* \ | -hiux* | -386bsd* | -netbsd* | -freebsd* | -riscix* \ | -lynxos* | -bosx* | -nextstep* | -cxux* | -aout* | -elf* \ | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \ | -udi* | -eabi* | -lites* | -openbsd* ) # Remember, each alternative MUST END IN *, to match a version number. ;; -sunos5*) os=`echo $os | sed -e 's|sunos5|solaris2|'` ;; -sunos6*) os=`echo $os | sed -e 's|sunos6|solaris3|'` ;; -osfrose*) os=-osfrose ;; -osf*) os=-osf ;; -utek*) os=-bsd ;; -dynix*) os=-bsd ;; -acis*) os=-aos ;; -ctix* | -uts*) os=-sysv ;; # Preserve the version number of sinix5. -sinix5.*) os=`echo $os | sed -e 's|sinix|sysv|'` ;; -sinix*) os=-sysv4 ;; -triton*) os=-sysv3 ;; -oss*) os=-sysv3 ;; -svr4) os=-sysv4 ;; -svr3) os=-sysv3 ;; -sysvr4) os=-sysv4 ;; # This must come after -sysvr4. -sysv*) ;; -xenix) os=-xenix ;; -none) ;; -rhapsody*) os=-rhapsody ;; *) # Get rid of the `-' at the beginning of $os. os=`echo $os | sed 's/[^-]*-//'` echo Invalid configuration \`$1\': system \`$os\' not recognized 1>&2 exit 1 ;; esac else # Here we handle the default operating systems that come with various machines. # The value should be what the vendor currently ships out the door with their # machine or put another way, the most popular os provided with the machine. # Note that if you're going to try to match "-MANUFACTURER" here (say, # "-sun"), then you have to tell the case statement up towards the top # that MANUFACTURER isn't an operating system. Otherwise, code above # will signal an error saying that MANUFACTURER isn't an operating # system, and we'll never get to this point. case $basic_machine in *-acorn) os=-riscix1.2 ;; arm*-semi) os=-aout ;; pdp11-*) os=-none ;; *-dec | vax-*) os=-ultrix4.2 ;; m68*-apollo) os=-domain ;; i386-sun) os=-sunos4.0.2 ;; m68000-sun) os=-sunos3 # This also exists in the configure program, but was not the # default. # os=-sunos4 ;; *-tti) # must be before sparc entry or we get the wrong os. os=-sysv3 ;; sparc-* | *-sun) os=-sunos4.1.1 ;; *-ibm) os=-aix ;; *-hp) os=-hpux ;; *-hitachi) os=-hiux ;; i860-* | *-att | *-ncr | *-altos | *-motorola | *-convergent) os=-sysv ;; *-cbm) os=-amigaos ;; *-dg) os=-dgux ;; *-dolphin) os=-sysv3 ;; m68k-ccur) os=-rtu ;; m88k-omron*) os=-luna ;; *-sequent) os=-ptx ;; *-crds) os=-unos ;; *-ns) os=-genix ;; i370-*) os=-mvs ;; *-next) os=-nextstep3 ;; *-gould) os=-sysv ;; *-highlevel) os=-bsd ;; *-encore) os=-bsd ;; *-sgi) os=-irix ;; *-siemens) os=-sysv4 ;; *-masscomp) os=-rtu ;; *) os=-none ;; esac fi # Here we handle the case where we know the os, and the CPU type, but not the # manufacturer. We pick the logical manufacturer. vendor=unknown case $basic_machine in *-unknown) case $os in -riscix*) vendor=acorn ;; -sunos*) vendor=sun ;; -lynxos*) vendor=lynx ;; -aix*) vendor=ibm ;; -hpux*) vendor=hp ;; -hiux*) vendor=hitachi ;; -unos*) vendor=crds ;; -dgux*) vendor=dg ;; -luna*) vendor=omron ;; -genix*) vendor=ns ;; -mvs*) vendor=ibm ;; -ptx*) vendor=sequent ;; -vxworks*) vendor=wrs ;; esac basic_machine=`echo $basic_machine | sed "s/unknown/$vendor/"` ;; esac echo $basic_machine$os