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Merge "Add delta_palettization feature to WebP"

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Pascal Massimino
2015-10-03 05:42:36 +00:00
committed by Gerrit Code Review
parent 27933e2a8e 48f66b6687
commit 0dd282672e
13 changed files with 584 additions and 34 deletions
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8
examples/cwebp.c
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@ -617,6 +617,9 @@ static void HelpLong(void) {
printf(" -lossless .............. encode image losslessly\n");
printf(" -near_lossless <int> ... use near-lossless image\n"
" preprocessing (0..100=off)\n");
#ifdef WEBP_EXPERIMENTAL_FEATURES
printf(" -delta_palettization ... use delta palettization\n");
#endif // WEBP_EXPERIMENTAL_FEATURES
printf(" -hint <string> ......... specify image characteristics hint,\n");
printf(" one of: photo, picture or graph\n");
@ -775,6 +778,11 @@ int main(int argc, const char *argv[]) {
} else if (!strcmp(argv[c], "-near_lossless") && c < argc - 1) {
config.near_lossless = ExUtilGetInt(argv[++c], 0, &parse_error);
config.lossless = 1; // use near-lossless only with lossless
#ifdef WEBP_EXPERIMENTAL_FEATURES
} else if (!strcmp(argv[c], "-delta_palettization")) {
config.delta_palettization = 1;
config.lossless = 1; // use delta-palettization only with lossless
#endif // WEBP_EXPERIMENTAL_FEATURES
} else if (!strcmp(argv[c], "-hint") && c < argc - 1) {
++c;
if (!strcmp(argv[c], "photo")) {