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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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4
Userland/Libraries/LibWeb/HTML/HTMLImageElement.cpp
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@ -120,7 +120,7 @@ JS::GCPtr<Layout::Node> HTMLImageElement::create_layout_node(NonnullRefPtr<CSS::
return heap().allocate_without_realm<Layout::ImageBox>(document(), *this, move(style), *this);
}
RefPtr<Gfx::Bitmap const> HTMLImageElement::bitmap() const
RefPtr<Gfx::ImmutableBitmap> HTMLImageElement::immutable_bitmap() const
{
return current_image_bitmap();
}
@ -146,7 +146,7 @@ Optional<CSSPixelFraction> HTMLImageElement::intrinsic_aspect_ratio() const
return {};
}
RefPtr<Gfx::Bitmap const> HTMLImageElement::current_image_bitmap(Gfx::IntSize size) const
RefPtr<Gfx::ImmutableBitmap> HTMLImageElement::current_image_bitmap(Gfx::IntSize size) const
{
if (auto data = m_current_request->image_data())
return data->bitmap(m_current_frame_index, size);