BlendAtopPreviousFrame 38 Source/platform/image-decoders/ImageFrame.cpp , m_alphaBlendSource(BlendAtopPreviousFrame) BlendAtopPreviousFrame 247 Source/platform/image-decoders/webp/WEBPImageDecoder.cpp m_frameBufferCache[i].setAlphaBlendSource(animatedFrame.blend_method == WEBP_MUX_BLEND ? ImageFrame::BlendAtopPreviousFrame : ImageFrame::BlendAtopBgcolor); BlendAtopPreviousFrame 417 Source/platform/image-decoders/webp/WEBPImageDecoder.cpp if ((m_formatFlags & ANIMATION_FLAG) && frameIndex && buffer.alphaBlendSource() == ImageFrame::BlendAtopPreviousFrame && buffer.requiredPreviousFrameIndex() != kNotFound) { BlendAtopPreviousFrame 216 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 0, 0, 11, 29, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFrame, 1000u, true }, BlendAtopPreviousFrame 217 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 2, 10, 7, 17, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFrame, 500u, true }, BlendAtopPreviousFrame 218 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 2, 2, 7, 16, ImageFrame::DisposeKeep, ImageFrame::BlendAtopPreviousFrame, 1000u, true }, BlendAtopPreviousFrame 258 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 4, 10, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendAtopPreviousFrame, 1000u, true }, BlendAtopPreviousFrame 259 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 34, 30, 33, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendAtopPreviousFrame, 1000u, true }, BlendAtopPreviousFrame 260 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 62, 50, 32, 32, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendAtopPreviousFrame, 1000u, true }, BlendAtopPreviousFrame 261 Source/platform/image-decoders/webp/WEBPImageDecoderTest.cpp { 10, 54, 32, 33, ImageFrame::DisposeOverwriteBgcolor, ImageFrame::BlendAtopPreviousFrame, 1000u, true },