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LibGfx: Add first_animated_frame_index method to ImageDecoder

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Some image formats such as APNG may not use the first frame for
animations.
This commit is contained in:
Tom 2023-04-07 20:41:22 -06:00 • committed by Sam Atkins
parent 5a4c61838f
commit e7921cfe14
20 changed files with 64 additions and 4 deletions
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5
Userland/Libraries/LibGfx/ImageFormats/GIFLoader.cpp
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@ -627,6 +627,11 @@ size_t GIFImageDecoderPlugin::frame_count()
return m_context->images.size();
}
size_t GIFImageDecoderPlugin::first_animated_frame_index()
{
return 0;
}
ErrorOr<ImageFrameDescriptor> GIFImageDecoderPlugin::frame(size_t index)
{
if (m_context->error_state >= GIFLoadingContext::ErrorState::FailedToDecodeAnyFrame) {