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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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@ -6,6 +6,7 @@
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#pragma once
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#include <LibGfx/ImmutableBitmap.h>
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#include <LibWeb/HTML/DecodedImageData.h>
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namespace Web::HTML {
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@ -13,14 +14,14 @@ namespace Web::HTML {
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class AnimatedBitmapDecodedImageData final : public DecodedImageData {
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public:
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struct Frame {
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RefPtr<Gfx::Bitmap const> bitmap;
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RefPtr<Gfx::ImmutableBitmap> bitmap;
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int duration { 0 };
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};
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static ErrorOr<NonnullRefPtr<AnimatedBitmapDecodedImageData>> create(Vector<Frame>&&, size_t loop_count, bool animated);
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virtual ~AnimatedBitmapDecodedImageData() override;
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virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
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virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
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virtual int frame_duration(size_t frame_index) const override;
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virtual size_t frame_count() const override { return m_frames.size(); }
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