diff options
Diffstat (limited to 'src/3rdparty/libwebp/src/enc/picture_tools.c')
| -rw-r--r-- | src/3rdparty/libwebp/src/enc/picture_tools.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/3rdparty/libwebp/src/enc/picture_tools.c b/src/3rdparty/libwebp/src/enc/picture_tools.c index 7c73646..bf97af8 100644 --- a/src/3rdparty/libwebp/src/enc/picture_tools.c +++ b/src/3rdparty/libwebp/src/enc/picture_tools.c @@ -11,6 +11,8 @@ // // Author: Skal (pascal.massimino@gmail.com) +#include <assert.h> + #include "./vp8enci.h" #include "../dsp/yuv.h" @@ -120,6 +122,24 @@ void WebPCleanupTransparentArea(WebPPicture* pic) { #undef SIZE #undef SIZE2 +void WebPCleanupTransparentAreaLossless(WebPPicture* const pic) { + int x, y, w, h; + uint32_t* argb; + assert(pic != NULL && pic->use_argb); + w = pic->width; + h = pic->height; + argb = pic->argb; + + for (y = 0; y < h; ++y) { + for (x = 0; x < w; ++x) { + if ((argb[x] & 0xff000000) == 0) { + argb[x] = 0x00000000; + } + } + argb += pic->argb_stride; + } +} + //------------------------------------------------------------------------------ // Blend color and remove transparency info |