--- /dev/null
+Patch committed upstream
+https://bitbucket.org/libgd/gd-libgd/commits/a79232c5fa692c3b6e3f5bc95ecfc455424c3f54?at=master
+
+Downloaded from Gentoo
+https://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/media-libs/gd/files/gd-2.1.1-webp.patch?revision=1.1&view=markup
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+
+---
+https://bugs.gentoo.org/545956
+
+From a79232c5fa692c3b6e3f5bc95ecfc455424c3f54 Mon Sep 17 00:00:00 2001
+From: Pierre Joye <pierre.php@gmail.com>
+Date: Tue, 20 Jan 2015 04:55:11 +0100
+Subject: [PATCH] fix #129, drop VPX usage in favor of libwebp
+
+---
+ configure.ac | 80 +++++------------
+ src/gd_webp.c | 231 +++++++++++++++++++++-----------------------------
+ tests/Makefile.am | 2 +-
+ tests/webp/bug00111.c | 2 +-
+ 4 files changed, 122 insertions(+), 193 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 1024a3a..8923186 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -317,63 +317,6 @@ if test "$with_xpm" != no; then
+ fi
+ AM_CONDITIONAL([HAVE_LIBXPM], test "$with_xpm" = yes)
+
+-dnl check for libvpx by default
+-AC_ARG_WITH(vpx,dnl
+-[ --with-vpx=DIR where to find the vpx library])
+-
+-case $with_vpx in
+-no) ;;
+-yes|"")
+- PKG_CHECK_MODULES([LIBVPX], vpx, [with_vpx=yes],
+- [
+- PKG_CHECK_MODULES([LIBVPX], libvpx, [with_vpx=yes],
+- [
+- if test "$with_vpx" = yes; then
+- AC_MSG_ERROR([VPX support requested, but not found])
+- fi
+- with_vpx=no
+- ])
+- ])
+- ;;
+-*)
+- save_LIBS="$LIBS"
+- save_CPPFLAGS="$CPPFLAGS"
+-
+- if test -d "$with_vpx"; then
+- LIBVPX_CFLAGS="-I$with_vpx/include"
+- LIBVPX_LIBS="-L$with_vpx/lib -lvpx"
+- fi
+-
+- CPPFLAGS="$CPPFLAGS $LIBVPX_CFLAGS"
+- LIBS="$LIBS $LIBVPX_LIBS"
+-
+- AC_CHECK_LIB(vpx,vpx_codec_destroy,
+- [
+- if test -z "$LIBVPX_LIBS"; then
+- LIBVPX_LIBS="-lvpx"
+- fi
+- with_vpx=yes
+- ],[
+- if test "$with_vpx" != ""; then
+- AC_MSG_ERROR([vpx support requested, but not found])
+- else
+- with_vpx=no
+- fi
+- ])
+-
+- CPPFLAGS="$save_CPPFLAGS"
+- LIBS="$save_LIBS"
+- ;;
+-esac
+-
+-if test "$with_vpx" != no; then
+- CPPFLAGS="$CPPFLAGS $LIBVPX_CFLAGS"
+- LIBS="$LIBS $LIBVPX_LIBS"
+- FEATURES="GD_VPX $FEATURES"
+- AC_DEFINE(HAVE_LIBVPX, 1, [ Define if you have the VPX library. ])
+-fi
+-AM_CONDITIONAL([HAVE_LIBVPX], test "$with_vpx" = yes)
+-
+ dnl check for libtiff by default
+ AC_ARG_WITH(tiff,dnl
+ [ --with-tiff=DIR where to find the TIFF library])
+@@ -437,6 +380,27 @@ if test "$mingw_cv_win32_host" = yes; then
+ AC_DEFINE([BGDWIN32], [], [Define is you are building for Win32 API])
+ fi
+
++
++dnl check for libwebp by default
++AC_ARG_WITH(webp,dnl
++[ --with-webp=DIR where to find the webp library],
++ [if test -d "$withval"; then
++ LDFLAGS="$LDFLAGS -L$withval/lib"
++ CFLAGS="$CFLAGS -I$withval/include"
++ fi],
++ withval=yes)
++
++if test "$withval" != no; then
++ AC_CHECK_LIB(webp,WebPGetInfo,
++ [LIBS="-lwebp $LIBS"
++ FEATURES="GD_WEBP $FEATURES"
++ AC_DEFINE(HAVE_LIBWEBP, 1, [ Define if you have the webp library. ])])
++ with_webp=yes
++else
++ with_webp=no
++fi
++AM_CONDITIONAL([HAVE_LIBWEBP], test "$with_webp" = yes)
++
+ dnl report configuration
+ AC_MSG_RESULT([
+ ** Configuration summary for $PACKAGE $VERSION:
+@@ -444,7 +408,7 @@ AC_MSG_RESULT([
+ Support for Zlib: $with_zlib
+ Support for PNG library: $with_png
+ Support for JPEG library: $ac_cv_lib_jpeg_jpeg_set_defaults
+- Support for VPX library: $with_vpx
++ Support for WebP library: $with_webp
+ Support for TIFF library: $with_tiff
+ Support for Freetype 2.x library: $with_freetype
+ Support for Fontconfig library: $with_fontconfig
+diff --git a/src/gd_webp.c b/src/gd_webp.c
+index a3ae1ac..c44bd80 100644
+--- a/src/gd_webp.c
++++ b/src/gd_webp.c
+@@ -2,33 +2,21 @@
+ #include "config.h"
+ #endif /* HAVE_CONFIG_H */
+
++
++#ifdef HAVE_LIBWEBP
+ #include <stdio.h>
+ #include <math.h>
+ #include <string.h>
+ #include <stdlib.h>
+ #include "gd.h"
+ #include "gd_errors.h"
+-
+-#ifdef HAVE_LIBVPX
+-#include "webpimg.h"
+ #include "gdhelpers.h"
++#include "webp/decode.h"
++#include "webp/encode.h"
+
+-extern void gd_YUV420toRGBA(uint8* Y,
+- uint8* U,
+- uint8* V,
+- gdImagePtr im);
+-
+-extern void gd_RGBAToYUV420(gdImagePtr im2,
+- uint8* Y,
+- uint8* U,
+- uint8* V);
+-
+-const char * gdWebpGetVersionString()
+-{
+- return "not defined";
+-}
++#define GD_WEBP_ALLOC_STEP (4*1024)
+
+-BGD_DECLARE(gdImagePtr) gdImageCreateFromWebp (FILE * inFile)
++gdImagePtr gdImageCreateFromWebp (FILE * inFile)
+ {
+ gdImagePtr im;
+ gdIOCtx *in = gdNewFileCtx(inFile);
+@@ -38,42 +26,16 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromWebp (FILE * inFile)
+ return im;
+ }
+
+-BGD_DECLARE(gdImagePtr) gdImageCreateFromWebpPtr (int size, void *data)
++gdImagePtr gdImageCreateFromWebpCtx (gdIOCtx * infile)
+ {
+- int width, height, ret;
+- unsigned char *Y = NULL;
+- unsigned char *U = NULL;
+- unsigned char *V = NULL;
+- gdImagePtr im;
+-
+- ret = WebPDecode(data, size, &Y, &U, &V, &width, &height);
+- if (ret != webp_success) {
+- if (Y) free(Y);
+- if (U) free(U);
+- if (V) free(V);
+- gd_error("WebP decode: fail to decode input data");
+- return NULL;
+- }
+- im = gdImageCreateTrueColor(width, height);
+- if (!im) {
+- return NULL;
+- }
+- gd_YUV420toRGBA(Y, U, V, im);
+- return im;
+-}
+-
+-#define GD_WEBP_ALLOC_STEP (4*1024)
+-
+-BGD_DECLARE(gdImagePtr) gdImageCreateFromWebpCtx (gdIOCtx * infile)
+-{
+- int width, height, ret;
+- unsigned char *filedata = NULL;
++ int width, height;
++ uint8_t *filedata = NULL;
++ uint8_t *argb = NULL;
+ unsigned char *read, *temp;
+- unsigned char *Y = NULL;
+- unsigned char *U = NULL;
+- unsigned char *V = NULL;
+ size_t size = 0, n;
+ gdImagePtr im;
++ int x, y;
++ uint8_t *p;
+
+ do {
+ temp = gdRealloc(filedata, size+GD_WEBP_ALLOC_STEP);
+@@ -89,23 +51,97 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromWebpCtx (gdIOCtx * infile)
+ }
+
+ n = gdGetBuf(read, GD_WEBP_ALLOC_STEP, infile);
+- size += n;
+- } while (n>0);
++ if (n>0 && n!=EOF) {
++ size += n;
++ }
++ } while (n>0 && n!=EOF);
+
+- ret = WebPDecode(filedata, size, &Y, &U, &V, &width, &height);
+- gdFree(filedata);
+- if (ret != webp_success) {
+- if (Y) free(Y);
+- if (U) free(U);
+- if (V) free(V);
+- gd_error("WebP decode: fail to decode input data");
++ if (WebPGetInfo(filedata,size, &width, &height) == 0) {
++ gd_error("gd-webp cannot get webp info");
+ return NULL;
+ }
++
+ im = gdImageCreateTrueColor(width, height);
+- gd_YUV420toRGBA(Y, U, V, im);
++ if (!im) {
++ return NULL;
++ }
++ argb = WebPDecodeARGB(filedata, size, &width, &height);
++ if (!argb) {
++ gd_error("gd-webp cannot allocate temporary buffer");
++ gdFree(argb);
++ return NULL;
++ }
++ for (y = 0, p = argb; y < height; y++) {
++ for (x = 0; x < width; x++) {
++ register uint8_t a = gdAlphaMax - (*(p++) >> 1);
++ register uint8_t r = *(p++);
++ register uint8_t g = *(p++);
++ register uint8_t b = *(p++);
++ im->tpixels[y][x] = gdTrueColorAlpha(r, g, b, a);
++ }
++ }
++ gdFree(filedata);
++ free(argb);
++ im->saveAlphaFlag = 1;
+ return im;
+ }
+
++void gdImageWebpCtx (gdImagePtr im, gdIOCtx * outfile, int quantization)
++{
++ uint8_t *argb;
++ int x, y;
++ uint8_t *p;
++ uint8_t *out;
++ size_t out_size;
++
++ if (im == NULL) {
++ return;
++ }
++
++ if (!gdImageTrueColor(im)) {
++ gd_error("Paletter image not supported by webp");
++ return;
++ }
++
++ if (quantization == -1) {
++ quantization = 80;
++ }
++
++ argb = (uint8_t *)gdMalloc(gdImageSX(im) * 4 * gdImageSY(im));
++ if (!argb) {
++ return;
++ }
++ p = argb;
++ for (y = 0; y < gdImageSY(im); y++) {
++ for (x = 0; x < gdImageSX(im); x++) {
++ register int c;
++ register char a;
++ c = im->tpixels[y][x];
++ a = gdTrueColorGetAlpha(c);
++ if (a == 127) {
++ a = 0;
++ } else {
++ a = 255 - ((a << 1) + (a >> 6));
++ }
++ *(p++) = gdTrueColorGetRed(c);
++ *(p++) = gdTrueColorGetGreen(c);
++ *(p++) = gdTrueColorGetBlue(c);
++ *(p++) = a;
++ }
++ }
++ out_size = WebPEncodeRGBA(argb, gdImageSX(im), gdImageSY(im), gdImageSX(im) * 4, quantization, &out);
++ printf("outsize: %i\n", out_size);
++ if (out_size == 0) {
++ gd_error("gd-webp encoding failed");
++ goto freeargb;
++ }
++ gdPutBuf(out, out_size, outfile);
++ free(out);
++
++freeargb:
++ gdFree(argb);
++}
++
+ BGD_DECLARE(void) gdImageWebpEx (gdImagePtr im, FILE * outFile, int quantization)
+ {
+ gdIOCtx *out = gdNewFileCtx(outFile);
+@@ -116,7 +152,7 @@ BGD_DECLARE(void) gdImageWebpEx (gdImagePtr im, FILE * outFile, int quantization
+ BGD_DECLARE(void) gdImageWebp (gdImagePtr im, FILE * outFile)
+ {
+ gdIOCtx *out = gdNewFileCtx(outFile);
+- gdImageWebpCtx(im, out, -1);
++ gdImageWebpCtx(im, out, -1);
+ out->gd_free(out);
+ }
+
+@@ -140,75 +176,4 @@ BGD_DECLARE(void *) gdImageWebpPtrEx (gdImagePtr im, int *size, int quantization
+ out->gd_free(out);
+ return rv;
+ }
+-
+-/*
+- * Maps normalized QP (quality) to VP8 QP
+- */
+-int mapQualityToVP8QP(int quality) {
+-#define MIN_QUALITY 0
+-#define MAX_QUALITY 100
+-#define MIN_VP8QP 1
+-#define MAX_VP8QP 63
+- const float scale = MAX_VP8QP - MIN_VP8QP;
+- const float vp8qp =
+- scale * (MAX_QUALITY - quality) / (MAX_QUALITY - MIN_QUALITY) + MIN_VP8QP;
+- if (quality < MIN_QUALITY || quality > MAX_QUALITY) {
+- gd_error("Wrong quality value %d.", quality);
+- return -1;
+- }
+-
+- return (int)(vp8qp + 0.5);
+-}
+-
+-/* This routine is based in part on code from Dale Lutz (Safe Software Inc.)
+- * and in part on demo code from Chapter 15 of "PNG: The Definitive Guide"
+- * (http://www.cdrom.com/pub/png/pngbook.html).
+- */
+-BGD_DECLARE(void) gdImageWebpCtx (gdImagePtr im, gdIOCtx * outfile, int quantization)
+-{
+- int width = im->sx;
+- int height = im->sy;
+-
+- int yuv_width, yuv_height, yuv_nbytes, ret;
+- int vp8_quality;
+- unsigned char *Y = NULL,
+- *U = NULL,
+- *V = NULL;
+- unsigned char *filedata = NULL;
+-
+- /* Conversion to Y,U,V buffer */
+- yuv_width = (width + 1) >> 1;
+- yuv_height = (height + 1) >> 1;
+- yuv_nbytes = width * height + 2 * yuv_width * yuv_height;
+-
+- if ((Y = (unsigned char *)gdCalloc(yuv_nbytes, sizeof(unsigned char))) == NULL) {
+- gd_error("gd-webp error: cannot allocate Y buffer");
+- return;
+- }
+- if (quantization == -1) {
+- quantization = 80;
+- }
+- vp8_quality = mapQualityToVP8QP(quantization);
+-
+- U = Y + width * height;
+- V = U + yuv_width * yuv_height;
+- gd_RGBAToYUV420(im, Y, U, V);
+-
+- /* Encode Y,U,V and write data to file */
+- ret = WebPEncode(Y, U, V, width, height, width, yuv_width, yuv_height, yuv_width,
+- vp8_quality, &filedata, &yuv_nbytes, NULL);
+- gdFree(Y);
+-
+- if (ret != webp_success) {
+- if (filedata) {
+- free(filedata);
+- }
+- gd_error("gd-webp error: WebP Encoder failed");
+- return;
+- }
+-
+- gdPutBuf (filedata, yuv_nbytes, outfile);
+- free(filedata);
+-}
+-
+-#endif /* HAVE_LIBVPX */
++#endif /* HAVE_LIBWEBP */
+--
+2.3.5
+
projects / buildroot.git / commitdiff