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-rw-r--r--third_party/gif/SkGifImageReader.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/third_party/gif/SkGifImageReader.cpp b/third_party/gif/SkGifImageReader.cpp
index a54fb59d3b..a04f8e11d0 100644
--- a/third_party/gif/SkGifImageReader.cpp
+++ b/third_party/gif/SkGifImageReader.cpp
@@ -879,15 +879,16 @@ static bool restore_bg(const SkFrame& frame) {
return frame.getDisposalMethod() == SkCodecAnimation::DisposalMethod::kRestoreBGColor;
}
-bool SkGIFFrameContext::onReportsAlpha() const {
+SkEncodedInfo::Alpha SkGIFFrameContext::onReportedAlpha() const {
// Note: We could correct these after decoding - i.e. some frames may turn out to be
// independent and opaque if they do not use the transparent pixel, but that would require
// checking whether each pixel used the transparent index.
- return is_palette_index_valid(this->transparentPixel());
+ return is_palette_index_valid(this->transparentPixel()) ? SkEncodedInfo::kBinary_Alpha
+ : SkEncodedInfo::kOpaque_Alpha;
}
void SkFrameHolder::setAlphaAndRequiredFrame(SkFrame* frame) {
- const bool reportsAlpha = frame->reportsAlpha();
+ const bool reportsAlpha = frame->reportedAlpha() != SkEncodedInfo::kOpaque_Alpha;
const auto screenRect = SkIRect::MakeWH(fScreenWidth, fScreenHeight);
const auto frameRect = frame_rect_on_screen(frame->frameRect(), screenRect);