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serenity/Userland/Libraries/LibWeb/Layout/ImageProvider.h
Aliaksandr Kalenik f4a5c136c3 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.
2023-11-26 12:55:43 +01:00

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C++

/*
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Size.h>
#include <LibWeb/PixelUnits.h>
namespace Web::Layout {
class ImageProvider {
public:
virtual ~ImageProvider() { }
virtual Optional<CSSPixels> intrinsic_width() const = 0;
virtual Optional<CSSPixels> intrinsic_height() const = 0;
virtual Optional<CSSPixelFraction> intrinsic_aspect_ratio() const = 0;
virtual RefPtr<Gfx::ImmutableBitmap> current_image_bitmap(Gfx::IntSize) const = 0;
virtual void set_visible_in_viewport(bool) = 0;
};
}