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LibGfx+LibWeb: Add ImmutableBitmap for images bitmap caching in painter

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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.
This commit is contained in:
Aliaksandr Kalenik 2023-11-24 14:45:45 +01:00 • committed by Andreas Kling
parent abcf71a8ca
commit f4a5c136c3
24 changed files with 146 additions and 35 deletions
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5
Userland/Libraries/LibWeb/HTML/AnimatedBitmapDecodedImageData.h
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@ -6,6 +6,7 @@
#pragma once
#include <LibGfx/ImmutableBitmap.h>
#include <LibWeb/HTML/DecodedImageData.h>
namespace Web::HTML {
@ -13,14 +14,14 @@ namespace Web::HTML {
class AnimatedBitmapDecodedImageData final : public DecodedImageData {
public:
struct Frame {
RefPtr<Gfx::Bitmap const> bitmap;
RefPtr<Gfx::ImmutableBitmap> bitmap;
int duration { 0 };
};
static ErrorOr<NonnullRefPtr<AnimatedBitmapDecodedImageData>> create(Vector<Frame>&&, size_t loop_count, bool animated);
virtual ~AnimatedBitmapDecodedImageData() override;
virtual RefPtr<Gfx::Bitmap const> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
virtual RefPtr<Gfx::ImmutableBitmap> bitmap(size_t frame_index, Gfx::IntSize = {}) const override;
virtual int frame_duration(size_t frame_index) const override;
virtual size_t frame_count() const override { return m_frames.size(); }