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Diffstat (limited to 'src/spriteloader/png.cpp')
| -rw-r--r-- | src/spriteloader/png.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/spriteloader/png.cpp b/src/spriteloader/png.cpp index e72f44010..fa66ae3f1 100644 --- a/src/spriteloader/png.cpp +++ b/src/spriteloader/png.cpp @@ -132,7 +132,12 @@ static bool LoadPNG(SpriteLoader::Sprite *sprite, const char *filename, uint32 i } if (colour_type == PNG_COLOR_TYPE_RGB) { - png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER); + if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)) { + /* Create an alpha channel when there is a tRNS chunk */ + png_set_tRNS_to_alpha(png_ptr); + } else { + png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER); + } } pixelsize = sizeof(uint32); |