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restore decode API compatibility

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protect flip/alpha_dither w/a WEBP_DECODER_ABI_VERSION check

Change-Id: I437a5d5f78800f71b7e7e323faa321f946bf9515
This commit is contained in:
James Zern
2014-07-22 20:03:52 -07:00
parent d2cc61b7dd
commit 793368e8c6
9 changed files with 40 additions and 14 deletions
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8
examples/dwebp.c
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@ -557,11 +557,15 @@ static void Help(void) {
" -nofilter .... disable in-loop filtering\n"
" -nodither .... disable dithering\n"
" -dither <d> .. dithering strength (in 0..100)\n"
#if WEBP_DECODER_ABI_VERSION > 0x0203
" -alpha_dither use alpha-plane dithering if needed\n"
#endif
" -mt .......... use multi-threading\n"
" -crop <x> <y> <w> <h> ... crop output with the given rectangle\n"
" -scale <w> <h> .......... scale the output (*after* any cropping)\n"
#if WEBP_DECODER_ABI_VERSION > 0x0203
" -flip ........ flip the output vertically\n"
#endif
" -alpha ....... only save the alpha plane\n"
" -incremental . use incremental decoding (useful for tests)\n"
" -h ....... this help message\n"
@ -624,8 +628,10 @@ int main(int argc, const char *argv[]) {
format = YUV;
} else if (!strcmp(argv[c], "-mt")) {
config.options.use_threads = 1;
#if WEBP_DECODER_ABI_VERSION > 0x0203
} else if (!strcmp(argv[c], "-alpha_dither")) {
config.options.alpha_dithering_strength = 100;
#endif
} else if (!strcmp(argv[c], "-nodither")) {
config.options.dithering_strength = 0;
} else if (!strcmp(argv[c], "-dither") && c < argc - 1) {
@ -640,8 +646,10 @@ int main(int argc, const char *argv[]) {
config.options.use_scaling = 1;
config.options.scaled_width = strtol(argv[++c], NULL, 0);
config.options.scaled_height = strtol(argv[++c], NULL, 0);
#if WEBP_DECODER_ABI_VERSION > 0x0203
} else if (!strcmp(argv[c], "-flip")) {
config.options.flip = 1;
#endif
} else if (!strcmp(argv[c], "-v")) {
verbose = 1;
#ifndef WEBP_DLL

4
examples/vwebp.c
View File

@ -400,7 +400,9 @@ int main(int argc, char *argv[]) {
return -1;
}
config->options.dithering_strength = 50;
#if WEBP_DECODER_ABI_VERSION > 0x0203
config->options.alpha_dithering_strength = 100;
#endif
kParams.use_color_profile = 1;
for (c = 1; c < argc; ++c) {
@ -413,8 +415,10 @@ int main(int argc, char *argv[]) {
config->options.no_fancy_upsampling = 1;
} else if (!strcmp(argv[c], "-nofilter")) {
config->options.bypass_filtering = 1;
#if WEBP_DECODER_ABI_VERSION > 0x0203
} else if (!strcmp(argv[c], "-noalphadither")) {
config->options.alpha_dithering_strength = 0;
#endif
} else if (!strcmp(argv[c], "-dither") && c + 1 < argc) {
config->options.dithering_strength = strtol(argv[++c], NULL, 0);
} else if (!strcmp(argv[c], "-info")) {