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LibWeb: Allow SVGDecodedImageData to cache bitmaps at different sizes

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This avoids constantly re-rendering the same SVG image over and over
during painting when it's being used at a couple of different sizes
(for example when used as a CSS background).
This commit is contained in:
Andreas Kling 2024-02-24 08:34:49 +01:00
parent 2484324f9a
commit 9759f44faf
2 changed files with 12 additions and 5 deletions
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3
Userland/Libraries/LibWeb/SVG/SVGDecodedImageData.h
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@ -40,7 +40,8 @@ private:
SVGDecodedImageData(JS::NonnullGCPtr<Page>, JS::NonnullGCPtr<SVGPageClient>, JS::NonnullGCPtr<DOM::Document>, JS::NonnullGCPtr<SVG::SVGSVGElement>);
RefPtr<Gfx::Bitmap> render(Gfx::IntSize) const;
mutable RefPtr<Gfx::ImmutableBitmap> m_immutable_bitmap;
mutable HashMap<Gfx::IntSize, NonnullRefPtr<Gfx::ImmutableBitmap>> m_cached_rendered_bitmaps;
JS::NonnullGCPtr<Page> m_page;
JS::NonnullGCPtr<SVGPageClient> m_page_client;