ladybird/Libraries/LibGfx/PaintingSurface.h
Aliaksandr Kalenik c18314b942 LibWeb+LibGfx: Replace BackingStore with PaintingSurface
Now, when Skia backend context is available by the time backing stores
are allocated, there is no need to have a separate BackingStore class.

This allows us to get rid of BackingStore -> PaintingSurface cache.
2025-07-04 16:12:47 +02:00

71 lines
1.5 KiB
C++

/*
* Copyright (c) 2024-2025, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/AtomicRefCounted.h>
#include <AK/Function.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/RefPtr.h>
#include <LibGfx/Color.h>
#include <LibGfx/Size.h>
#include <LibGfx/SkiaBackendContext.h>
#ifdef AK_OS_MACOS
# include <LibGfx/MetalContext.h>
#endif
class SkCanvas;
class SkSurface;
namespace Gfx {
class PaintingSurface : public AtomicRefCounted<PaintingSurface> {
public:
enum class Origin {
TopLeft,
BottomLeft,
};
Function<void(PaintingSurface&)> on_flush;
static NonnullRefPtr<PaintingSurface> create_with_size(RefPtr<SkiaBackendContext> context, IntSize size, BitmapFormat color_type, AlphaType alpha_type);
static NonnullRefPtr<PaintingSurface> wrap_bitmap(Bitmap&);
#ifdef AK_OS_MACOS
static NonnullRefPtr<PaintingSurface> create_from_iosurface(Core::IOSurfaceHandle&&, NonnullRefPtr<SkiaBackendContext>, Origin = Origin::TopLeft);
#endif
void read_into_bitmap(Bitmap&);
void write_from_bitmap(Bitmap const&);
void notify_content_will_change();
IntSize size() const;
IntRect rect() const;
SkCanvas& canvas() const;
SkSurface& sk_surface() const;
template<typename T>
T sk_image_snapshot() const;
void flush();
~PaintingSurface();
void lock_context() const;
void unlock_context() const;
private:
struct Impl;
PaintingSurface(NonnullOwnPtr<Impl>&&);
NonnullOwnPtr<Impl> m_impl;
};
}