Date: Mon, 23 Jun 2003 13:58:42 +0200 (CEST) From: Alex Dupre <sysadmin@alexdupre.com> To: FreeBSD-gnats-submit@FreeBSD.org Cc: nork@FreeBSD.org Subject: ports/53631: [Maintainer Update] Port: lang/php4 Message-ID: <200306231158.h5NBwg4K066816@vaio.alexdupre.com> Resent-Message-ID: <200306231200.h5NC0Uk3072219@freefall.freebsd.org>
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>Number: 53631 >Category: ports >Synopsis: [Maintainer Update] Port: lang/php4 >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-ports-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: maintainer-update >Submitter-Id: current-users >Arrival-Date: Mon Jun 23 05:00:30 PDT 2003 >Closed-Date: >Last-Modified: >Originator: Alex Dupre >Release: FreeBSD 4.8-ALEXDUPRE i386 >Organization: >Environment: System: FreeBSD 4.8-ALEXDUPRE i386 >Description: Add gif and animated-gif write support to GD extension (enable with WITH_GD_GIF_OUT - not default due to LZW patent in many countries) >How-To-Repeat: >Fix: --- php4.diff begins here --- diff -ruN php4.orig/Makefile php4/Makefile --- php4.orig/Makefile Mon Jun 23 10:02:00 2003 +++ php4/Makefile Mon Jun 23 13:40:22 2003 @@ -562,6 +562,9 @@ @${SETENV} ${SCRIPTS_ENV} ${SH} ${SCRIPTDIR}/configure.php post-patch: +.if defined(WITH_GD_GIF_OUT) + @${PATCH} -b .orig -d ${WRKSRC} -N -s -E -p1 -t < ${FILESDIR}/gd_gif_out.diff +.endif @${SED} "s|%%PREFIX%%|${PREFIX}|g" \ ${WRKSRC}/pear/scripts/pearcmd.php > ${WRKSRC}/pear/scripts/pear diff -ruN php4.orig/files/gd_gif_out.diff php4/files/gd_gif_out.diff --- php4.orig/files/gd_gif_out.diff Thu Jan 1 01:00:00 1970 +++ php4/files/gd_gif_out.diff Mon Jun 23 13:25:55 2003 @@ -0,0 +1,1418 @@ +diff -ruN php-4.3.3RC1.orig/configure php-4.3.3RC1/configure +--- php-4.3.3RC1.orig/configure Mon Jun 23 10:06:05 2003 ++++ php-4.3.3RC1/configure Mon Jun 23 10:06:17 2003 +@@ -28248,7 +28248,7 @@ + libgd/gd_io_file.c libgd/gd_ss.c libgd/gd_io_ss.c libgd/gd_png.c libgd/gd_jpeg.c \ + libgd/gdxpm.c libgd/gdfontt.c libgd/gdfonts.c libgd/gdfontmb.c libgd/gdfontl.c \ + libgd/gdfontg.c libgd/gdtables.c libgd/gdft.c libgd/gdcache.c libgd/gdkanji.c \ +- libgd/wbmp.c libgd/gd_wbmp.c libgd/gdhelpers.c libgd/gd_topal.c libgd/gd_gif_in.c \ ++ libgd/wbmp.c libgd/gd_wbmp.c libgd/gdhelpers.c libgd/gd_topal.c libgd/gd_gif_in.c libgd/gd_gif_out.c \ + libgd/xbm.c" + + for ac_func in fabsf floorf +@@ -29724,6 +29724,9 @@ + + cat >> confdefs.h <<\EOF + #define HAVE_GD_BUNDLED 1 ++#define HAVE_GD_GIF_CREATE 1 ++#define HAVE_GD_GIF_CTX 1 ++#define HAVE_GD_GIF_ANIM 1 + EOF + + cat >> confdefs.h <<\EOF +@@ -32260,6 +32263,60 @@ + LDFLAGS=$save_old_LDFLAGS + cat >> confdefs.h <<\EOF + #define HAVE_GD_GIF_CTX 1 ++EOF ++ ++ ++else ++ echo "$ac_t""no" 1>&6 ++ ++ LDFLAGS=$save_old_LDFLAGS ++ unset ac_cv_func_gd ++ ++ ++fi ++ ++ ++ save_old_LDFLAGS=$LDFLAGS ++ LDFLAGS=" -L$GD_LIB $GD_SHARED_LIBADD $LDFLAGS" ++ echo $ac_n "checking for gdImageGifAnimBegin in -lgd""... $ac_c" 1>&6 ++echo "configure:32003: checking for gdImageGifAnimBegin in -lgd" >&5 ++ac_lib_var=`echo gd'_'gdImageGifAnimBegin | sed 'y%./+-%__p_%'` ++if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then ++ echo $ac_n "(cached) $ac_c" 1>&6 ++else ++ ac_save_LIBS="$LIBS" ++LIBS="-lgd $LIBS" ++cat > conftest.$ac_ext <<EOF ++#line 32011 "configure" ++#include "confdefs.h" ++/* Override any gcc2 internal prototype to avoid an error. */ ++/* We use char because int might match the return type of a gcc2 ++ builtin and then its argument prototype would still apply. */ ++char gdImageGifAnimBegin(); ++ ++int main() { ++gdImageGifAnimBegin() ++; return 0; } ++EOF ++if { (eval echo configure:32022: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then ++ rm -rf conftest* ++ eval "ac_cv_lib_$ac_lib_var=yes" ++else ++ echo "configure: failed program was:" >&5 ++ cat conftest.$ac_ext >&5 ++ rm -rf conftest* ++ eval "ac_cv_lib_$ac_lib_var=no" ++fi ++rm -f conftest* ++LIBS="$ac_save_LIBS" ++ ++fi ++if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then ++ echo "$ac_t""yes" 1>&6 ++ ++ LDFLAGS=$save_old_LDFLAGS ++ cat >> confdefs.h <<\EOF ++#define HAVE_GD_GIF_ANIM 1 + EOF + + +diff -ruN php-4.3.3RC1.orig/ext/gd/config.m4 php-4.3.3RC1/ext/gd/config.m4 +--- php-4.3.3RC1.orig/ext/gd/config.m4 Mon Jun 23 10:05:28 2003 ++++ php-4.3.3RC1/ext/gd/config.m4 Mon Jun 23 10:06:17 2003 +@@ -254,6 +254,7 @@ + PHP_CHECK_LIBRARY(gd, gdImageColorClosestHWB, [AC_DEFINE(HAVE_COLORCLOSESTHWB, 1, [ ])], [], [ -L$GD_LIB $GD_SHARED_LIBADD ]) + PHP_CHECK_LIBRARY(gd, gdImageColorResolve, [AC_DEFINE(HAVE_GDIMAGECOLORRESOLVE, 1, [ ])], [], [ -L$GD_LIB $GD_SHARED_LIBADD ]) + PHP_CHECK_LIBRARY(gd, gdImageGifCtx, [AC_DEFINE(HAVE_GD_GIF_CTX, 1, [ ])], [], [ -L$GD_LIB $GD_SHARED_LIBADD ]) ++ PHP_CHECK_LIBRARY(gd, gdImageGifAnimBegin, [AC_DEFINE(HAVE_GD_GIF_ANIM, 1, [ ])], [], [ -L$GD_LIB $GD_SHARED_LIBADD ]) + PHP_CHECK_LIBRARY(gd, gdCacheCreate, [AC_DEFINE(HAVE_GD_CACHE_CREATE, 1, [ ])], [], [ -L$GD_LIB $GD_SHARED_LIBADD ]) + ]) + +@@ -267,7 +268,7 @@ + libgd/gd_io_file.c libgd/gd_ss.c libgd/gd_io_ss.c libgd/gd_png.c libgd/gd_jpeg.c \ + libgd/gdxpm.c libgd/gdfontt.c libgd/gdfonts.c libgd/gdfontmb.c libgd/gdfontl.c \ + libgd/gdfontg.c libgd/gdtables.c libgd/gdft.c libgd/gdcache.c libgd/gdkanji.c \ +- libgd/wbmp.c libgd/gd_wbmp.c libgd/gdhelpers.c libgd/gd_topal.c libgd/gd_gif_in.c \ ++ libgd/wbmp.c libgd/gd_wbmp.c libgd/gdhelpers.c libgd/gd_topal.c libgd/gd_gif_in.c libgd/gd_gif_out.c \ + libgd/xbm.c" + + dnl check for fabsf and floorf which are available since C99 +diff -ruN php-4.3.3RC1.orig/ext/gd/gd.c php-4.3.3RC1/ext/gd/gd.c +--- php-4.3.3RC1.orig/ext/gd/gd.c Mon Jun 23 10:05:28 2003 ++++ php-4.3.3RC1/ext/gd/gd.c Mon Jun 23 10:06:17 2003 +@@ -206,6 +206,11 @@ + #ifdef HAVE_GD_GIF_CREATE + PHP_FE(imagegif, NULL) + #endif ++#ifdef HAVE_GD_GIF_ANIM ++ PHP_FE(imagegifanimbegin, NULL) ++ PHP_FE(imagegifanimadd, NULL) ++ PHP_FE(imagegifanimend, NULL) ++#endif + #ifdef HAVE_GD_JPG + PHP_FE(imagejpeg, NULL) + #endif +@@ -1707,11 +1712,35 @@ + #ifdef HAVE_GD_GIF_CTX + _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGifCtx); + #else ++ ++#ifdef HAVE_GD_BUNDLED ++#error "I really think there should be ctx version of imagegif in the bundled GD library. Fix the configuration." ++#endif ++ + _php_image_output(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIF, "GIF", gdImageGif); + #endif + } + /* }}} */ + #endif /* HAVE_GD_GIF_CREATE */ ++ ++#ifdef HAVE_GD_GIF_ANIM ++/* {{{ proto int imagegifanimbegin(int im [, string filename [, int GlobalColormap [, int Loops]]]) ++ Begin GIF animation. Image parameter is only used for size and colormap, ++ all animation frames must be added separately. */ ++PHP_FUNCTION(imagegifanimbegin) ++{ ++ _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIFANIMBEGIN, "GIF", gdImageGifAnimBeginCtx); ++} ++/* }}} */ ++ ++/* {{{ proto int imagegifanimadd(int im [, string filename [, int LocalColormap [, LeftOfs [, int TopOfs [, int Delay [, int Disposal]]]]]]) ++ Append GIF image to animation */ ++PHP_FUNCTION(imagegifanimadd) ++{ ++ _php_image_output_ctx(INTERNAL_FUNCTION_PARAM_PASSTHRU, PHP_GDIMG_TYPE_GIFANIMADD, "GIF", gdImageGifAnimAddCtx); ++} ++/* }}} */ ++#endif /* HAVE_GD_GIF_ANIM */ + + #ifdef HAVE_GD_PNG + /* {{{ proto int imagepng(int im [, string filename]) +diff -ruN php-4.3.3RC1.orig/ext/gd/gd_ctx.c php-4.3.3RC1/ext/gd/gd_ctx.c +--- php-4.3.3RC1.orig/ext/gd/gd_ctx.c Mon Jun 23 10:05:28 2003 ++++ php-4.3.3RC1/ext/gd/gd_ctx.c Mon Jun 23 10:06:17 2003 +@@ -24,17 +24,22 @@ + + static void _php_image_output_ctx(INTERNAL_FUNCTION_PARAMETERS, int image_type, char *tn, void (*func_p)()) + { +- zval **imgind, **file, **quality; ++ zval **imgind, **file, **quality, **lo, **to, **del, **dis; + gdImagePtr im; + char *fn = NULL; + FILE *fp = NULL; + int argc = ZEND_NUM_ARGS(); + int q = -1, i; ++#ifdef HAVE_GD_GIF_ANIM ++ int LeftOfs = -1, TopOfs = -1, Delay = -1, Disposal = -1; ++#endif /* HAVE_GD_GIF_ANIM */ + gdIOCtx *ctx; + + /* The quality parameter for Wbmp stands for the threshold when called from image2wbmp() */ ++ /* The quality parameter for GIF animation stands for colormap inclusion. 1==include local/global colormap */ ++ /* The LeftOfs parameter for GIF animation begin stands for NETSCAPE2.0 Loop count extension. */ + +- if (argc < 1 || argc > 3 || zend_get_parameters_ex(argc, &imgind, &file, &quality) == FAILURE) ++ if (argc < 1 || argc > 7 || zend_get_parameters_ex(argc, &imgind, &file, &quality, &lo, &to, &del, &dis) == FAILURE) + { + WRONG_PARAM_COUNT; + } +@@ -44,11 +49,29 @@ + if (argc > 1) { + convert_to_string_ex(file); + fn = Z_STRVAL_PP(file); +- if (argc == 3) { +- convert_to_long_ex(quality); +- q = Z_LVAL_PP(quality); +- } + } ++ if (argc >= 3) { ++ convert_to_long_ex(quality); ++ q = Z_LVAL_PP(quality); ++ } ++#ifdef HAVE_GD_GIF_ANIM ++ if (argc >= 4) { ++ convert_to_long_ex(lo); ++ LeftOfs = Z_LVAL_PP(lo); ++ } ++ if (argc >= 5) { ++ convert_to_long_ex(to); ++ TopOfs = Z_LVAL_PP(to); ++ } ++ if (argc >= 6) { ++ convert_to_long_ex(del); ++ Delay = Z_LVAL_PP(del); ++ } ++ if (argc >= 7) { ++ convert_to_long_ex(dis); ++ Disposal = Z_LVAL_PP(dis); ++ } ++#endif /* HAVE_GD_GIF_ANIM */ + + if ((argc == 2) || (argc > 2 && Z_STRLEN_PP(file))) { + if (!fn || fn == empty_string || php_check_open_basedir(fn TSRMLS_CC)) { +@@ -94,6 +117,14 @@ + } + (*func_p)(im, i, ctx); + break; ++#ifdef HAVE_GD_GIF_ANIM ++ case PHP_GDIMG_TYPE_GIFANIMBEGIN: ++ (*func_p)(im, ctx, q, LeftOfs); ++ break; ++ case PHP_GDIMG_TYPE_GIFANIMADD: ++ (*func_p)(im, ctx, q, LeftOfs, TopOfs, Delay, Disposal); ++ break; ++#endif /* HAVE_GD_GIF_ANIM */ + default: + (*func_p)(im, ctx); + break; +@@ -112,3 +143,72 @@ + + RETURN_TRUE; + } ++ ++#ifdef HAVE_GD_GIF_ANIM ++/* {{{ proto int imagegifanimend([string filename]) ++ Write end mark to gif animation. */ ++PHP_FUNCTION(imagegifanimend) ++{ ++ zval **file; ++ char *fn = NULL; ++ FILE *fp = NULL; ++ int argc = ZEND_NUM_ARGS(); ++ gdIOCtx *ctx; ++ ++ if (argc < 0 || argc > 1 || zend_get_parameters_ex(argc, &file) == FAILURE) { ++ ZEND_WRONG_PARAM_COUNT(); ++ } ++ ++ if (argc >= 1) { ++ convert_to_string_ex(file); ++ fn = Z_STRVAL_PP(file); ++ } ++ ++ if ((argc == 1) || (argc > 1 && Z_STRLEN_PP(file))) { ++ if (!fn || fn == empty_string || php_check_open_basedir(fn TSRMLS_CC)) { ++ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid filename '%s'", fn); ++ RETURN_FALSE; ++ } ++ ++ fp = VCWD_FOPEN(fn, "wb"); ++ if (!fp) { ++ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to open '%s' for writing", fn); ++ RETURN_FALSE; ++ } ++ ++ ctx = gdNewFileCtx(fp); ++ } else { ++ ctx = emalloc(sizeof(gdIOCtx)); ++ ctx->putC = _php_image_output_putc; ++ ctx->putBuf = _php_image_output_putbuf; ++#if HAVE_LIBGD204 ++ ctx->gd_free = _php_image_output_ctxfree; ++#else ++ ctx->free = _php_image_output_ctxfree; ++#endif ++ ++#if APACHE && defined(CHARSET_EBCDIC) ++ /* XXX this is unlikely to work any more thies@thieso.net */ ++ /* This is a binary file already: avoid EBCDIC->ASCII conversion */ ++ ap_bsetflag(php3_rqst->connection->client, B_EBCDIC2ASCII, 0); ++#endif ++ } ++ ++ /* This could be coded in here, as it only outputs ';' */ ++ gdImageGifAnimEndCtx(ctx); ++ ++#if HAVE_LIBGD204 ++ ctx->gd_free(ctx); ++#else ++ ctx->free(ctx); ++#endif ++ ++ if(fp) { ++ fflush(fp); ++ fclose(fp); ++ } ++ ++ RETURN_TRUE; ++} ++/* }}} */ ++#endif /* HAVE_GD_GIF_ANIM */ +diff -ruN php-4.3.3RC1.orig/ext/gd/libgd/gd.h php-4.3.3RC1/ext/gd/libgd/gd.h +--- php-4.3.3RC1.orig/ext/gd/libgd/gd.h Mon Jun 23 10:05:26 2003 ++++ php-4.3.3RC1/ext/gd/libgd/gd.h Mon Jun 23 10:06:17 2003 +@@ -445,6 +445,18 @@ + gdImagePtr gdImageCreateFromGif(FILE *fd); + gdImagePtr gdImageCreateFromGifCtx(gdIOCtxPtr in); + gdImagePtr gdImageCreateFromGifSource(gdSourcePtr in); ++void gdImageGif(gdImagePtr im, FILE *outFile); ++void gdImageGifAnimBegin(gdImagePtr im, FILE *outFile, int GlobalCM, int Loops); ++void gdImageGifAnimAdd(gdImagePtr im, FILE *outFile, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal); ++void gdImageGifAnimEnd(FILE *outFile); ++void gdImageGifCtx(gdImagePtr im, gdIOCtx *out); ++void gdImageGifAnimBeginCtx(gdImagePtr im, gdIOCtx *out, int GlobalCM, int Loops); ++void gdImageGifAnimAddCtx(gdImagePtr im, gdIOCtx *out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal); ++void gdImageGifAnimEndCtx(gdIOCtx *out); ++void *gdImageGifPtr(gdImagePtr im, int *size); ++void *gdImageGifAnimBeginPtr(gdImagePtr im, int *size, int GlobalCM, int Loops); ++void *gdImageGifAnimAddPtr(gdImagePtr im, int *size, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal); ++void *gdImageGifAnimEndPtr(int *size); + + /* A custom data sink. For backwards compatibility. Use + gdIOCtx instead. */ +diff -ruN php-4.3.3RC1.orig/ext/gd/libgd/gd_gif_out.c php-4.3.3RC1/ext/gd/libgd/gd_gif_out.c +--- php-4.3.3RC1.orig/ext/gd/libgd/gd_gif_out.c Thu Jan 1 01:00:00 1970 ++++ php-4.3.3RC1/ext/gd/libgd/gd_gif_out.c Mon Jun 23 13:22:13 2003 +@@ -0,0 +1,1053 @@ ++#include <stdio.h> ++#include <math.h> ++#include <string.h> ++#include <stdlib.h> ++#include "gd.h" ++#include "gdhelpers.h" ++#include "php.h" ++ ++/* Code drawn from ppmtogif.c, from the pbmplus package ++** ++** Based on GIFENCOD by David Rowley <mgardi@watdscu.waterloo.edu>. A ++** Lempel-Zim compression based on "compress". ++** ++** Modified by Marcel Wijkstra <wijkstra@fwi.uva.nl> ++** ++** Copyright (C) 1989 by Jef Poskanzer. ++** ++** Permission to use, copy, modify, and distribute this software and its ++** documentation for any purpose and without fee is hereby granted, provided ++** that the above copyright notice appear in all copies and that both that ++** copyright notice and this permission notice appear in supporting ++** documentation. This software is provided "as is" without express or ++** implied warranty. ++** ++** The Graphics Interchange Format(c) is the Copyright property of ++** CompuServe Incorporated. GIF(sm) is a Service Mark property of ++** CompuServe Incorporated. ++*/ ++ ++/* ++ * a code_int must be able to hold 2**GIFBITS values of type int, and also -1 ++ */ ++typedef int code_int; ++ ++#ifdef SIGNED_COMPARE_SLOW ++typedef unsigned long int count_int; ++typedef unsigned short int count_short; ++#else /*SIGNED_COMPARE_SLOW*/ ++typedef long int count_int; ++#endif /*SIGNED_COMPARE_SLOW*/ ++ ++static int colorstobpp(int colors); ++static void BumpPixel (void); ++static int GIFNextPixel (gdImagePtr im); ++static void GIFEncode (gdIOCtx *fp, int GWidth, int GHeight, int GInterlace, int Background, int Transparent, int BitsPerPixel, int *Red, int *Green, int *Blue, gdImagePtr im); ++static void GIFAnimEncode(gdIOCtx *fp, int IWidth, int IHeight, int LeftOfs, int TopOfs, int GInterlace, int Transparent, int Delay, int Disposal, int BitsPerPixel, int *Red, int *Green, int *Blue, gdImagePtr im); ++/*static void Putword (int w, gdIOCtx *fp); */ ++static void compress (int init_bits, gdIOCtx *outfile, gdImagePtr im); ++static void output (code_int code); ++static void cl_block (void); ++static void cl_hash (register count_int hsize); ++static void char_init (void); ++static void char_out (int c); ++static void flush_char (void); ++/* Allows for reuse */ ++static void init_statics(void); ++ ++void gdImageGifCtx(gdImagePtr im, gdIOCtx *out) ++{ ++ int interlace, transparent, BitsPerPixel; ++ ++ interlace = im->interlace; ++ transparent = im->transparent; ++ ++ BitsPerPixel = colorstobpp(im->colorsTotal); ++ /* Clear any old values in statics strewn through the GIF code */ ++ init_statics(); ++ /* All set, let's do it. */ ++ GIFEncode( ++ out, im->sx, im->sy, interlace, 0, transparent, BitsPerPixel, ++ im->red, im->green, im->blue, im); ++} ++ ++void gdImageGif(gdImagePtr im, FILE *outFile) ++{ ++ gdIOCtx *out = gdNewFileCtx(outFile); ++ gdImageGifCtx(im, out); ++ out->gd_free(out); ++} ++ ++void gdImageGifAnimBegin(gdImagePtr im, FILE *outFile, int GlobalCM, int Loops) ++{ ++ gdIOCtx *out = gdNewFileCtx(outFile); ++ gdImageGifAnimBeginCtx(im, out, GlobalCM, Loops); ++ out->gd_free(out); ++} ++ ++void gdImageGifAnimAdd(gdImagePtr im, FILE *outFile, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal) ++{ ++ gdIOCtx *out = gdNewFileCtx(outFile); ++ gdImageGifAnimAddCtx(im, out, LocalCM, LeftOfs, TopOfs, Delay, Disposal); ++ out->gd_free(out); ++} ++ ++void gdImageGifAnimEnd(FILE *outFile) ++{ ++#if 1 ++ putc (';', outFile); ++#else ++ gdIOCtx *out = gdNewFileCtx(outFile); ++ gdImageGifAnimEndCtx(out); ++ out->gd_free(out); ++#endif ++} ++ ++void gdImageGifAnimBeginCtx(gdImagePtr im, gdIOCtx *out, int GlobalCM, int Loops) ++{ ++ int B; ++ int RWidth, RHeight; ++ int Resolution; ++ int ColorMapSize; ++ int BitsPerPixel; ++ int Background = 0; ++ int i; ++ ++ BitsPerPixel = colorstobpp(im->colorsTotal); ++ ColorMapSize = 1 << BitsPerPixel; ++ ++ RWidth = im->sx; ++ RHeight = im->sy; ++ ++ Resolution = BitsPerPixel; ++ ++ /* ++ * Write the Magic header ++ */ ++ gdPutBuf( "GIF89a", 6, out ); ++ ++ /* ++ * Write out the screen width and height ++ */ ++ Putword( RWidth, out ); ++ Putword( RHeight, out ); ++ ++ /* ++ * Indicate that there is a global colour map ++ */ ++ B = GlobalCM > 0 ? 0x80 : 0; ++ ++ /* ++ * OR in the resolution ++ */ ++ B |= (Resolution - 1) << 5; ++ ++ /* ++ * OR in the Bits per Pixel ++ */ ++ B |= (BitsPerPixel - 1); ++ ++ /* ++ * Write it out ++ */ ++ gdPutC( B, out ); ++ ++ /* ++ * Write out the Background colour ++ */ ++ gdPutC( Background, out ); ++ ++ /* ++ * Byte of 0's (future expansion) ++ */ ++ gdPutC( 0, out ); ++ ++ /* ++ * Write out the Global Colour Map ++ */ ++ if (GlobalCM > 0) ++ for( i=0; i<ColorMapSize; ++i ) { ++ gdPutC( im->red[i], out ); ++ gdPutC( im->green[i], out ); ++ gdPutC( im->blue[i], out ); ++ } ++ if (Loops >= 0) { ++ gdPutBuf( "!\377\13NETSCAPE2.0\3\1", 16, out ); ++ gdPutC( (unsigned char)(Loops & 255), out ); ++ gdPutC( (unsigned char)((Loops >> 8) & 255), out ); ++ gdPutC( 0, out ); ++ } ++} ++ ++void gdImageGifAnimAddCtx(gdImagePtr im, gdIOCtx *out, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal) ++{ ++ int interlace, transparent, BitsPerPixel; ++ ++ interlace = im->interlace; ++ transparent = im->transparent; ++ ++ BitsPerPixel = colorstobpp(im->colorsTotal); ++ /* Clear any old values in statics strewn through the GIF code */ ++ init_statics(); ++ /* All set, let's do it. */ ++ GIFAnimEncode( ++ out, im->sx, im->sy, LeftOfs, TopOfs, interlace, transparent, ++ Delay, Disposal, BitsPerPixel, ++ LocalCM > 0 ? im->red : 0, im->green, im->blue, im); ++} ++ ++void gdImageGifAnimEndCtx(gdIOCtx *out) ++{ ++ /* ++ * Write the GIF file terminator ++ */ ++ gdPutC( ';', out ); ++} ++ ++void* gdImageGifPtr(gdImagePtr im, int *size) ++{ ++ void *rv; ++ gdIOCtx *out = gdNewDynamicCtx(2048, NULL); ++ gdImageGifCtx(im, out); ++ rv = gdDPExtractData(out,size); ++ out->gd_free(out); ++ return rv; ++} ++ ++void *gdImageGifAnimBeginPtr(gdImagePtr im, int *size, int GlobalCM, int Loops) ++{ ++ void *rv; ++ gdIOCtx *out = gdNewDynamicCtx(2048, NULL); ++ gdImageGifAnimBeginCtx(im, out, GlobalCM, Loops); ++ rv = gdDPExtractData(out,size); ++ out->gd_free(out); ++ return rv; ++} ++ ++void *gdImageGifAnimAddPtr(gdImagePtr im, int *size, int LocalCM, int LeftOfs, int TopOfs, int Delay, int Disposal) ++{ ++ void *rv; ++ gdIOCtx *out = gdNewDynamicCtx(2048, NULL); ++ gdImageGifAnimAddCtx(im, out, LocalCM, LeftOfs, TopOfs, Delay, Disposal); ++ rv = gdDPExtractData(out,size); ++ out->gd_free(out); ++ return rv; ++} ++ ++void* gdImageGifAnimEndPtr(int *size) ++{ ++ char *rv = (char *) gdMalloc (1); ++ *rv = ';'; ++ *size = 1; ++ return (void *)rv; ++} ++ ++static int ++colorstobpp(int colors) ++{ ++ int bpp = 0; ++ ++ if ( colors <= 2 ) ++ bpp = 1; ++ else if ( colors <= 4 ) ++ bpp = 2; ++ else if ( colors <= 8 ) ++ bpp = 3; ++ else if ( colors <= 16 ) ++ bpp = 4; ++ else if ( colors <= 32 ) ++ bpp = 5; ++ else if ( colors <= 64 ) ++ bpp = 6; ++ else if ( colors <= 128 ) ++ bpp = 7; ++ else if ( colors <= 256 ) ++ bpp = 8; ++ return bpp; ++ } ++ ++/***************************************************************************** ++ * ++ * GIFENCODE.C - GIF Image compression interface ++ * ++ * GIFEncode( FName, GHeight, GWidth, GInterlace, Background, Transparent, ++ * BitsPerPixel, Red, Green, Blue, gdImagePtr ) ++ * ++ *****************************************************************************/ ++ ++#define TRUE 1 ++#define FALSE 0 ++ ++static int Width, Height; ++static int curx, cury; ++static long CountDown; ++static int Pass = 0; ++static int Interlace; ++ ++/* ++ * Bump the 'curx' and 'cury' to point to the next pixel ++ */ ++static void ++BumpPixel(void) ++{ ++ /* ++ * Bump the current X position ++ */ ++ ++curx; ++ ++ /* ++ * If we are at the end of a scan line, set curx back to the beginning ++ * If we are interlaced, bump the cury to the appropriate spot, ++ * otherwise, just increment it. ++ */ ++ if( curx == Width ) { ++ curx = 0; ++ ++ if( !Interlace ) ++ ++cury; ++ else { ++ switch( Pass ) { ++ ++ case 0: ++ cury += 8; ++ if( cury >= Height ) { ++ ++Pass; ++ cury = 4; ++ } ++ break; ++ ++ case 1: ++ cury += 8; ++ if( cury >= Height ) { ++ ++Pass; ++ cury = 2; ++ } ++ break; ++ ++ case 2: ++ cury += 4; ++ if( cury >= Height ) { ++ ++Pass; ++ cury = 1; ++ } ++ break; ++ ++ case 3: ++ cury += 2; ++ break; ++ } ++ } ++ } ++} ++ ++/* ++ * Return the next pixel from the image ++ */ ++static int ++GIFNextPixel(gdImagePtr im) ++{ ++ int r; ++ ++ if( CountDown == 0 ) ++ return EOF; ++ ++ --CountDown; ++ ++ r = gdImageGetPixel(im, curx, cury); ++ ++ BumpPixel(); ++ ++ return r; ++} ++ ++/* public */ ++ ++static void ++GIFEncode(gdIOCtx *fp, int GWidth, int GHeight, int GInterlace, int Background, int Transparent, int BitsPerPixel, int *Red, int *Green, int *Blue, gdImagePtr im) ++{ ++ int B; ++ int RWidth, RHeight; ++ int LeftOfs, TopOfs; ++ int Resolution; ++ int ColorMapSize; ++ int InitCodeSize; ++ int i; ++ ++ Interlace = GInterlace; ++ ++ ColorMapSize = 1 << BitsPerPixel; ++ ++ RWidth = Width = GWidth; ++ RHeight = Height = GHeight; ++ LeftOfs = TopOfs = 0; ++ ++ Resolution = BitsPerPixel; ++ ++ /* ++ * Calculate number of bits we are expecting ++ */ ++ CountDown = (long)Width * (long)Height; ++ ++ /* ++ * Indicate which pass we are on (if interlace) ++ */ ++ Pass = 0; ++ ++ /* ++ * The initial code size ++ */ ++ if( BitsPerPixel <= 1 ) ++ InitCodeSize = 2; ++ else ++ InitCodeSize = BitsPerPixel; ++ ++ /* ++ * Set up the current x and y position ++ */ ++ curx = cury = 0; ++ ++ /* ++ * Write the Magic header ++ */ ++ gdPutBuf( Transparent < 0 ? "GIF87a" : "GIF89a", 6, fp ); ++ ++ /* ++ * Write out the screen width and height ++ */ ++ Putword( RWidth, fp ); ++ Putword( RHeight, fp ); ++ ++ /* ++ * Indicate that there is a global colour map ++ */ ++ B = 0x80; /* Yes, there is a color map */ ++ ++ /* ++ * OR in the resolution ++ */ ++ B |= (Resolution - 1) << 5; ++ ++ /* ++ * OR in the Bits per Pixel ++ */ ++ B |= (BitsPerPixel - 1); ++ ++ /* ++ * Write it out ++ */ ++ gdPutC( B, fp ); ++ ++ /* ++ * Write out the Background colour ++ */ ++ gdPutC( Background, fp ); ++ ++ /* ++ * Byte of 0's (future expansion) ++ */ ++ gdPutC( 0, fp ); ++ ++ /* ++ * Write out the Global Colour Map ++ */ ++ for( i=0; i<ColorMapSize; ++i ) { ++ gdPutC( Red[i], fp ); ++ gdPutC( Green[i], fp ); ++ gdPutC( Blue[i], fp ); ++ } ++ ++ /* ++ * Write out extension for transparent colour index, if necessary. ++ */ ++ if ( Transparent >= 0 ) { ++ gdPutC( '!', fp ); ++ gdPutC( 0xf9, fp ); ++ gdPutC( 4, fp ); ++ gdPutC( 1, fp ); ++ gdPutC( 0, fp ); ++ gdPutC( 0, fp ); ++ gdPutC( (unsigned char) Transparent, fp ); ++ gdPutC( 0, fp ); ++ } ++ ++ /* ++ * Write an Image separator ++ */ ++ gdPutC( ',', fp ); ++ ++ /* ++ * Write the Image header ++ */ ++ ++ Putword( LeftOfs, fp ); ++ Putword( TopOfs, fp ); ++ Putword( Width, fp ); ++ Putword( Height, fp ); ++ ++ /* ++ * Write out whether or not the image is interlaced ++ */ ++ if( Interlace ) ++ gdPutC( 0x40, fp ); ++ else ++ gdPutC( 0x00, fp ); ++ ++ /* ++ * Write out the initial code size ++ */ ++ gdPutC( InitCodeSize, fp ); ++ ++ /* ++ * Go and actually compress the data ++ */ ++ compress( InitCodeSize+1, fp, im ); ++ ++ /* ++ * Write out a Zero-length packet (to end the series) ++ */ ++ gdPutC( 0, fp ); ++ ++ /* ++ * Write the GIF file terminator ++ */ ++ gdPutC( ';', fp ); ++} ++ ++static void ++GIFAnimEncode(gdIOCtx *fp, int IWidth, int IHeight, int LeftOfs, int TopOfs, int GInterlace, int Transparent, int Delay, int Disposal, int BitsPerPixel, int *Red, int *Green, int *Blue, gdImagePtr im) ++{ ++ int ColorMapSize; ++ int InitCodeSize; ++ int i; ++ ++ if (LeftOfs < 0) LeftOfs = 0; ++ if (TopOfs < 0) TopOfs = 0; ++ if (Delay < 0) Delay = 100; ++ if (Disposal < 0) Disposal = 2; ++ ++ Interlace = GInterlace; ++ ++ ColorMapSize = 1 << BitsPerPixel; ++ ++ Width = IWidth; ++ Height = IHeight; ++ ++ /* ++ * Calculate number of bits we are expecting ++ */ ++ CountDown = (long)Width * (long)Height; ++ ++ /* ++ * Indicate which pass we are on (if interlace) ++ */ ++ Pass = 0; ++ ++ /* ++ * The initial code size ++ */ ++ if( BitsPerPixel <= 1 ) ++ InitCodeSize = 2; ++ else ++ InitCodeSize = BitsPerPixel; ++ ++ /* ++ * Set up the current x and y position ++ */ ++ curx = cury = 0; ++ ++ /* ++ * Write out extension for image animation and looping ++ */ ++ gdPutC( '!', fp ); ++ gdPutC( 0xf9, fp ); ++ gdPutC( 4, fp ); ++ gdPutC( (Transparent >= 0 ? 1 : 0) ++ | (Disposal << 2), fp ); ++ gdPutC( (unsigned char)(Delay & 255), fp ); ++ gdPutC( (unsigned char)((Delay >> 8) & 255), fp ); ++ gdPutC( (unsigned char) Transparent, fp ); ++ gdPutC( 0, fp ); ++ ++ /* ++ * Write an Image separator ++ */ ++ gdPutC( ',', fp ); ++ ++ /* ++ * Write the Image header ++ */ ++ ++ Putword( LeftOfs, fp ); ++ Putword( TopOfs, fp ); ++ Putword( Width, fp ); ++ Putword( Height, fp ); ++ ++ /* ++ * Write out whether or not the image is interlaced ++ * and if it includes local colour map. ++ */ ++ gdPutC( (Interlace ? 0x40 : 0) ++ | (Red ? 0x80 : 0) ++ | (Red ? BitsPerPixel - 1 : 0), fp ); ++ ++ /* ++ * Write out the Local Colour Map ++ */ ++ if (Red) ++ for( i=0; i<ColorMapSize; ++i ) { ++ gdPutC( Red[i], fp ); ++ gdPutC( Green[i], fp ); ++ gdPutC( Blue[i], fp ); ++ } ++ ++ /* ++ * Write out the initial code size ++ */ ++ gdPutC( InitCodeSize, fp ); ++ ++ /* ++ * Go and actually compress the data ++ */ ++ compress( InitCodeSize+1, fp, im ); ++ ++ /* ++ * Write out a Zero-length packet (to end the series) ++ */ ++ gdPutC( 0, fp ); ++} ++ ++/* */ ++/* * Write out a word to the GIF file */ ++/* */ ++/*static void */ ++/*Putword(int w, FILE *fp) */ ++/*{ */ ++/* fputc( w & 0xff, fp ); */ ++/* fputc( (w / 256) & 0xff, fp ); */ ++/*} */ ++ ++ ++/*************************************************************************** ++ * ++ * GIFCOMPR.C - GIF Image compression routines ++ * ++ * Lempel-Ziv compression based on 'compress'. GIF modifications by ++ * David Rowley (mgardi@watdcsu.waterloo.edu) ++ * ++ ***************************************************************************/ ++ ++/* ++ * General DEFINEs ++ */ ++ ++#define GIFBITS 12 ++ ++#define HSIZE 5003 /* 80% occupancy */ ++ ++#ifdef NO_UCHAR ++ typedef char char_type; ++#else /*NO_UCHAR*/ ++ typedef unsigned char char_type; ++#endif /*NO_UCHAR*/ ++ ++/* ++ * ++ * GIF Image compression - modified 'compress' ++ * ++ * Based on: compress.c - File compression ala IEEE Computer, June 1984. ++ * ++ * By Authors: Spencer W. Thomas (decvax!harpo!utah-cs!utah-gr!thomas) ++ * Jim McKie (decvax!mcvax!jim) ++ * Steve Davies (decvax!vax135!petsd!peora!srd) ++ * Ken Turkowski (decvax!decwrl!turtlevax!ken) ++ * James A. Woods (decvax!ihnp4!ames!jaw) ++ * Joe Orost (decvax!vax135!petsd!joe) ++ * ++ */ ++#include <ctype.h> ++ ++#define ARGVAL() (*++(*argv) || (--argc && *++argv)) ++ ++static int n_bits; /* number of bits/code */ ++static int maxbits = GIFBITS; /* user settable max # bits/code */ ++static code_int maxcode; /* maximum code, given n_bits */ ++static code_int maxmaxcode = (code_int)1 << GIFBITS; /* should NEVER generate this code */ ++#ifdef COMPATIBLE /* But wrong! */ ++# define MAXCODE(n_bits) ((code_int) 1 << (n_bits) - 1) ++#else /*COMPATIBLE*/ ++# define MAXCODE(n_bits) (((code_int) 1 << (n_bits)) - 1) ++#endif /*COMPATIBLE*/ ++ ++static count_int htab [HSIZE]; ++static unsigned short codetab [HSIZE]; ++#define HashTabOf(i) htab[i] ++#define CodeTabOf(i) codetab[i] ++ ++static code_int hsize = HSIZE; /* for dynamic table sizing */ ++ ++/* ++ * To save much memory, we overlay the table used by compress() with those ++ * used by decompress(). The tab_prefix table is the same size and type ++ * as the codetab. The tab_suffix table needs 2**GIFBITS characters. We ++ * get this from the beginning of htab. The output stack uses the rest ++ * of htab, and contains characters. There is plenty of room for any ++ * possible stack (stack used to be 8000 characters). ++ */ ++ ++#define tab_prefixof(i) CodeTabOf(i) ++#define tab_suffixof(i) ((char_type*)(htab))[i] ++#define de_stack ((char_type*)&tab_suffixof((code_int)1<<GIFBITS)) ++ ++static code_int free_ent = 0; /* first unused entry */ ++ ++/* ++ * block compression parameters -- after all codes are used up, ++ * and compression rate changes, start over. ++ */ ++static int clear_flg = 0; ++ ++static int offset; ++static long int in_count = 1; /* length of input */ ++static long int out_count = 0; /* # of codes output (for debugging) */ ++ ++/* ++ * compress stdin to stdout ++ * ++ * Algorithm: use open addressing double hashing (no chaining) on the ++ * prefix code / next character combination. We do a variant of Knuth's ++ * algorithm D (vol. 3, sec. 6.4) along with G. Knott's relatively-prime ++ * secondary probe. Here, the modular division first probe is gives way ++ * to a faster exclusive-or manipulation. Also do block compression with ++ * an adaptive reset, whereby the code table is cleared when the compression ++ * ratio decreases, but after the table fills. The variable-length output ++ * codes are re-sized at this point, and a special CLEAR code is generated ++ * for the decompressor. Late addition: construct the table according to ++ * file size for noticeable speed improvement on small files. Please direct ++ * questions about this implementation to ames!jaw. ++ */ ++ ++static int g_init_bits; ++static gdIOCtx* g_outfile; ++ ++static int ClearCode; ++static int EOFCode; ++ ++static void ++compress(int init_bits, gdIOCtx *outfile, gdImagePtr im) ++{ ++ register long fcode; ++ register code_int i /* = 0 */; ++ register int c; ++ register code_int ent; ++ register code_int disp; ++ register code_int hsize_reg; ++ register int hshift; ++ ++ /* ++ * Set up the globals: g_init_bits - initial number of bits ++ * g_outfile - pointer to output file ++ */ ++ g_init_bits = init_bits; ++ g_outfile = outfile; ++ ++ /* ++ * Set up the necessary values ++ */ ++ offset = 0; ++ out_count = 0; ++ clear_flg = 0; ++ in_count = 1; ++ maxcode = MAXCODE(n_bits = g_init_bits); ++ ++ ClearCode = (1 << (init_bits - 1)); ++ EOFCode = ClearCode + 1; ++ free_ent = ClearCode + 2; ++ ++ char_init(); ++ ++ ent = GIFNextPixel( im ); ++ ++ hshift = 0; ++ for ( fcode = (long) hsize; fcode < 65536L; fcode *= 2L ) ++ ++hshift; ++ hshift = 8 - hshift; /* set hash code range bound */ ++ ++ hsize_reg = hsize; ++ cl_hash( (count_int) hsize_reg); /* clear hash table */ ++ ++ output( (code_int)ClearCode ); ++ ++#ifdef SIGNED_COMPARE_SLOW ++ while ( (c = GIFNextPixel( im )) != (unsigned) EOF ) { ++#else /*SIGNED_COMPARE_SLOW*/ ++ while ( (c = GIFNextPixel( im )) != EOF ) { /* } */ ++#endif /*SIGNED_COMPARE_SLOW*/ ++ ++ ++in_count; ++ ++ fcode = (long) (((long) c << maxbits) + ent); ++ i = (((code_int)c << hshift) ^ ent); /* xor hashing */ ++ ++ if ( HashTabOf (i) == fcode ) { ++ ent = CodeTabOf (i); ++ continue; ++ } else if ( (long)HashTabOf (i) < 0 ) /* empty slot */ ++ goto nomatch; ++ disp = hsize_reg - i; /* secondary hash (after G. Knott) */ ++ if ( i == 0 ) ++ disp = 1; ++probe: ++ if ( (i -= disp) < 0 ) ++ i += hsize_reg; ++ ++ if ( HashTabOf (i) == fcode ) { ++ ent = CodeTabOf (i); ++ continue; ++ } ++ if ( (long)HashTabOf (i) > 0 ) ++ goto probe; ++nomatch: ++ output ( (code_int) ent ); ++ ++out_count; ++ ent = c; ++#ifdef SIGNED_COMPARE_SLOW ++ if ( (unsigned) free_ent < (unsigned) maxmaxcode) { ++#else /*SIGNED_COMPARE_SLOW*/ ++ if ( free_ent < maxmaxcode ) { /* } */ ++#endif /*SIGNED_COMPARE_SLOW*/ ++ CodeTabOf (i) = free_ent++; /* code -> hashtable */ ++ HashTabOf (i) = fcode; ++ } else ++ cl_block(); ++ } ++ /* ++ * Put out the final code. ++ */ ++ output( (code_int)ent ); ++ ++out_count; ++ output( (code_int) EOFCode ); ++} ++ ++/***************************************************************** ++ * TAG( output ) ++ * ++ * Output the given code. ++ * Inputs: ++ * code: A n_bits-bit integer. If == -1, then EOF. This assumes ++ * that n_bits =< (long)wordsize - 1. ++ * Outputs: ++ * Outputs code to the file. ++ * Assumptions: ++ * Chars are 8 bits long. ++ * Algorithm: ++ * Maintain a GIFBITS character long buffer (so that 8 codes will ++ * fit in it exactly). Use the VAX insv instruction to insert each ++ * code in turn. When the buffer fills up empty it and start over. ++ */ ++ ++static unsigned long cur_accum = 0; ++static int cur_bits = 0; ++ ++static unsigned long masks[] = { 0x0000, 0x0001, 0x0003, 0x0007, 0x000F, ++ 0x001F, 0x003F, 0x007F, 0x00FF, ++ 0x01FF, 0x03FF, 0x07FF, 0x0FFF, ++ 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF }; ++ ++static void ++output(code_int code) ++{ ++ cur_accum &= masks[ cur_bits ]; ++ ++ if( cur_bits > 0 ) ++ cur_accum |= ((long)code << cur_bits); ++ else ++ cur_accum = code; ++ ++ cur_bits += n_bits; ++ ++ while( cur_bits >= 8 ) { ++ char_out( (unsigned int)(cur_accum & 0xff) ); ++ cur_accum >>= 8; ++ cur_bits -= 8; ++ } ++ ++ /* ++ * If the next entry is going to be too big for the code size, ++ * then increase it, if possible. ++ */ ++ if ( free_ent > maxcode || clear_flg ) { ++ ++ if( clear_flg ) { ++ ++ maxcode = MAXCODE (n_bits = g_init_bits); ++ clear_flg = 0; ++ ++ } else { ++ ++ ++n_bits; ++ if ( n_bits == maxbits ) ++ maxcode = maxmaxcode; ++ else ++ maxcode = MAXCODE(n_bits); ++ } ++ } ++ ++ if( code == EOFCode ) { ++ /* ++ * At EOF, write the rest of the buffer. ++ */ ++ while( cur_bits > 0 ) { ++ char_out( (unsigned int)(cur_accum & 0xff) ); ++ cur_accum >>= 8; ++ cur_bits -= 8; ++ } ++ ++ flush_char(); ++ ++/* fflush( g_outfile ); */ ++/* */ ++/* if( ferror( g_outfile ) ) */ ++/* return; */ ++ } ++} ++ ++/* ++ * Clear out the hash table ++ */ ++static void ++cl_block (void) /* table clear for block compress */ ++{ ++ ++ cl_hash ( (count_int) hsize ); ++ free_ent = ClearCode + 2; ++ clear_flg = 1; ++ ++ output( (code_int)ClearCode ); ++} ++ ++static void ++cl_hash(register count_int hsize) /* reset code table */ ++ ++{ ++ ++ register count_int *htab_p = htab+hsize; ++ ++ register long i; ++ register long m1 = -1; ++ ++ i = hsize - 16; ++ do { /* might use Sys V memset(3) here */ ++ *(htab_p-16) = m1; ++ *(htab_p-15) = m1; ++ *(htab_p-14) = m1; ++ *(htab_p-13) = m1; ++ *(htab_p-12) = m1; ++ *(htab_p-11) = m1; ++ *(htab_p-10) = m1; ++ *(htab_p-9) = m1; ++ *(htab_p-8) = m1; ++ *(htab_p-7) = m1; ++ *(htab_p-6) = m1; ++ *(htab_p-5) = m1; ++ *(htab_p-4) = m1; ++ *(htab_p-3) = m1; ++ *(htab_p-2) = m1; ++ *(htab_p-1) = m1; ++ htab_p -= 16; ++ } while ((i -= 16) >= 0); ++ ++ for ( i += 16; i > 0; --i ) ++ *--htab_p = m1; ++} ++ ++/****************************************************************************** ++ * ++ * GIF Specific routines ++ * ++ ******************************************************************************/ ++ ++/* ++ * Number of characters so far in this 'packet' ++ */ ++static int a_count; ++ ++/* ++ * Set up the 'byte output' routine ++ */ ++static void ++char_init(void) ++{ ++ a_count = 0; ++} ++ ++/* ++ * Define the storage for the packet accumulator ++ */ ++static char accum[ 256 ]; ++ ++/* ++ * Add a character to the end of the current packet, and if it is 254 ++ * characters, flush the packet to disk. ++ */ ++static void ++char_out(int c) ++{ ++ accum[ a_count++ ] = c; ++ if( a_count >= 254 ) ++ flush_char(); ++} ++ ++/* ++ * Flush the packet to disk, and reset the accumulator ++ */ ++static void ++flush_char(void) ++{ ++ if( a_count > 0 ) { ++ gdPutC( a_count, g_outfile ); ++ gdPutBuf( accum, a_count, g_outfile ); ++ a_count = 0; ++ } ++} ++ ++static void init_statics(void) { ++ /* Some of these are properly initialized later. What I'm doing ++ here is making sure code that depends on C's initialization ++ of statics doesn't break when the code gets called more ++ than once. */ ++ Width = 0; ++ Height = 0; ++ curx = 0; ++ cury = 0; ++ CountDown = 0; ++ Pass = 0; ++ Interlace = 0; ++ a_count = 0; ++ cur_accum = 0; ++ cur_bits = 0; ++ g_init_bits = 0; ++ g_outfile = 0; ++ ClearCode = 0; ++ EOFCode = 0; ++ free_ent = 0; ++ clear_flg = 0; ++ offset = 0; ++ in_count = 1; ++ out_count = 0; ++ hsize = HSIZE; ++ n_bits = 0; ++ maxbits = GIFBITS; ++ maxcode = 0; ++ maxmaxcode = (code_int)1 << GIFBITS; ++} ++ ++ ++/* +-------------------------------------------------------------------+ */ ++/* | Copyright 1990, 1991, 1993, David Koblas. (koblas@netcom.com) | */ ++/* | Permission to use, copy, modify, and distribute this software | */ ++/* | and its documentation for any purpose and without fee is hereby | */ ++/* | granted, provided that the above copyright notice appear in all | */ ++/* | copies and that both that copyright notice and this permission | */ ++/* | notice appear in supporting documentation. This software is | */ ++/* | provided "as is" without express or implied warranty. | */ ++/* +-------------------------------------------------------------------+ */ +diff -ruN php-4.3.3RC1.orig/ext/gd/php_gd.h php-4.3.3RC1/ext/gd/php_gd.h +--- php-4.3.3RC1.orig/ext/gd/php_gd.h Mon Jun 23 10:05:28 2003 ++++ php-4.3.3RC1/ext/gd/php_gd.h Mon Jun 23 10:06:17 2003 +@@ -40,6 +40,8 @@ + #define PHP_GDIMG_TYPE_GD 8 + #define PHP_GDIMG_TYPE_GD2 9 + #define PHP_GDIMG_TYPE_GD2PART 10 ++#define PHP_GDIMG_TYPE_GIFANIMBEGIN 11 ++#define PHP_GDIMG_TYPE_GIFANIMADD 12 + + #ifdef PHP_WIN32 + #define PHP_GD_API __declspec(dllexport) +@@ -137,6 +139,9 @@ + PHP_FUNCTION(imagefontheight); + + PHP_FUNCTION(imagegif ); ++PHP_FUNCTION(imagegifanimbegin); ++PHP_FUNCTION(imagegifanimadd); ++PHP_FUNCTION(imagegifanimend); + PHP_FUNCTION(imagejpeg ); + PHP_FUNCTION(imagepng); + PHP_FUNCTION(imagewbmp); +diff -ruN php-4.3.3RC1.orig/main/php_config.h.in php-4.3.3RC1/main/php_config.h.in +--- php-4.3.3RC1.orig/main/php_config.h.in Mon Jun 23 10:05:59 2003 ++++ php-4.3.3RC1/main/php_config.h.in Mon Jun 23 10:06:17 2003 +@@ -1523,6 +1523,9 @@ + #undef HAVE_GD_GIF_CREATE + + /* */ ++#undef HAVE_GD_GIF_ANIM ++ ++/* */ + #undef HAVE_GD_WBMP + + /* */ --- php4.diff ends here --- >Release-Note: >Audit-Trail: >Unformatted:
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