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Here comes the first part of a GIF decoder. It decodes up to the point of gathering all the LZW-compressed data. The next step is to implement decompression, and then turn the decompressed data into a bitmap using the color maps, etc.
22 lines
542 B
C++
22 lines
542 B
C++
#pragma once
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#include <LibDraw/GraphicsBitmap.h>
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#include <LibDraw/ImageDecoder.h>
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RefPtr<GraphicsBitmap> load_gif(const StringView& path);
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RefPtr<GraphicsBitmap> load_gif_from_memory(const u8*, size_t);
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struct GIFLoadingContext;
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class GIFImageDecoderPlugin final : public ImageDecoderPlugin {
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public:
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virtual ~GIFImageDecoderPlugin() override;
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GIFImageDecoderPlugin(const u8*, size_t);
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virtual Size size() override;
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virtual RefPtr<GraphicsBitmap> bitmap() override;
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private:
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OwnPtr<GIFLoadingContext> m_context;
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};
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