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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter
Before this change, we used Gfx::Bitmap to represent both decoded images that are not going to be mutated and bitmaps corresponding to canvases that could be mutated. This change introduces a wrapper for bitmaps that are not going to be mutated, so the painter could do caching: texture caching in the case of GPU painter and potentially scaled bitmap caching in the case of CPU painter.
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24 changed files with 146 additions and 35 deletions
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@ -18,7 +18,7 @@ class DecodedImageData : public RefCounted<DecodedImageData> {
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public:
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virtual ~DecodedImageData();
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virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize = {}) const = 0;
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virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize = {}) const = 0;
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virtual int frame_duration(size_t frame_index) const = 0;
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virtual size_t frame_count() const = 0;
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