diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2020-04-10 03:40:48 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2020-04-10 03:40:48 +0000 |
commit | 503c0227622254c0ae3209a1fa72bcb68bb450bc (patch) | |
tree | 48df20533f300f819504c15af33cdc03fc386a93 /Build/source/libs/gd/libgd-src/src/gd_jpeg.c | |
parent | a9d86b73ecf95b83666e16c4d90e348c4958a63b (diff) |
libgd 2.3.0
git-svn-id: svn://tug.org/texlive/trunk@54636 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/gd/libgd-src/src/gd_jpeg.c')
-rw-r--r-- | Build/source/libs/gd/libgd-src/src/gd_jpeg.c | 91 |
1 files changed, 78 insertions, 13 deletions
diff --git a/Build/source/libs/gd/libgd-src/src/gd_jpeg.c b/Build/source/libs/gd/libgd-src/src/gd_jpeg.c index 271ef46e003..f2dd329aac0 100644 --- a/Build/source/libs/gd/libgd-src/src/gd_jpeg.c +++ b/Build/source/libs/gd/libgd-src/src/gd_jpeg.c @@ -47,12 +47,6 @@ # define HAVE_BOOLEAN #endif -/* JCE undef two symbols that we don't need anymore but which are - may be defined in config.h from ./configure but which are - redefined incompatibly in jpeglib.h */ -#undef HAVE_STDDEF_H -#undef HAVE_STDLIB_H - /* 1.8.1: remove dependency on jinclude.h */ #include "jpeglib.h" #include "jerror.h" @@ -123,6 +117,8 @@ static void fatal_jpeg_error(j_common_ptr cinfo) exit(99); } +static int _gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality); + /* * Write IM to OUTFILE as a JFIF-formatted JPEG image, using quality * QUALITY. If QUALITY is in the range 0-100, increasing values @@ -237,8 +233,11 @@ BGD_DECLARE(void *) gdImageJpegPtr(gdImagePtr im, int *size, int quality) void *rv; gdIOCtx *out = gdNewDynamicCtx(2048, NULL); if (out == NULL) return NULL; - gdImageJpegCtx(im, out, quality); - rv = gdDPExtractData(out, size); + if (!_gdImageJpegCtx(im, out, quality)) { + rv = gdDPExtractData(out, size); + } else { + rv = NULL; + } out->gd_free(out); return rv; } @@ -255,11 +254,17 @@ void jpeg_gdIOCtx_dest(j_compress_ptr cinfo, gdIOCtx *outfile); im - The image to write. outfile - The output sink. - quality - Image quality. + quality - Image quality. */ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) { + _gdImageJpegCtx(im, outfile, quality); +} + +/* returns 0 on success, 1 on failure */ +static int _gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) +{ struct jpeg_compress_struct cinfo; struct jpeg_error_mgr jerr; int i, j, jidx; @@ -293,7 +298,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) if(row) { gdFree(row); } - return; + return 1; } cinfo.err->emit_message = jpeg_emit_message; @@ -334,7 +339,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) if(row == 0) { gd_error("gd-jpeg: error: unable to allocate JPEG row structure: gdCalloc returns NULL\n"); jpeg_destroy_compress(&cinfo); - return; + return 1; } rowptr[0] = row; @@ -411,6 +416,7 @@ BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) jpeg_finish_compress(&cinfo); jpeg_destroy_compress(&cinfo); gdFree(row); + return 0; } @@ -496,7 +502,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegEx(FILE *inFile, int ignore_warning Function: gdImageCreateFromJpegPtr Parameters: - + size - size of JPEG data in bytes. data - pointer to JPEG data. @@ -511,7 +517,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegPtr(int size, void *data) Function: gdImageCreateFromJpegPtrEx Parameters: - + size - size of JPEG data in bytes. data - pointer to JPEG data. ignore_warning - if true, ignore recoverable warnings @@ -1198,4 +1204,63 @@ void jpeg_gdIOCtx_dest(j_compress_ptr cinfo, gdIOCtx *outfile) dest->outfile = outfile; } +#else /* !HAVE_LIBJPEG */ + +static void _noJpegError(void) +{ + gd_error("JPEG image support has been disabled\n"); +} + +BGD_DECLARE(void) gdImageJpeg(gdImagePtr im, FILE *outFile, int quality) +{ + _noJpegError(); +} + +BGD_DECLARE(void *) gdImageJpegPtr(gdImagePtr im, int *size, int quality) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(void) gdImageJpegCtx(gdImagePtr im, gdIOCtx *outfile, int quality) +{ + _noJpegError(); +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpeg(FILE *inFile) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegEx(FILE *inFile, int ignore_warning) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegPtr(int size, void *data) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegPtrEx(int size, void *data, int ignore_warning) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegCtx(gdIOCtx *infile) +{ + _noJpegError(); + return NULL; +} + +BGD_DECLARE(gdImagePtr) gdImageCreateFromJpegCtxEx(gdIOCtx *infile, int ignore_warning) +{ + _noJpegError(); + return NULL; +} + #endif /* HAVE_LIBJPEG */ |