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ladybird/Libraries/LibGfx/Painter.h

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LibGfx: Introduce a new Gfx::Painter with a Skia backend This new painter is written with a virtual interface from the start, and we begin with a Skia backend. This patch adds enough to support our basic 2D HTML canvas usecase.
2024-07-05 13:36:55 +00:00
/*
* Copyright (c) 2024, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <LibGfx/Forward.h>
#include <LibGfx/PaintStyle.h>
#include <LibGfx/ScalingMode.h>
#include <LibGfx/WindingRule.h>
namespace Gfx {
class Painter {
public:
static NonnullOwnPtr<Gfx::Painter> create(NonnullRefPtr<Gfx::Bitmap>);
virtual ~Painter();
virtual void clear_rect(Gfx::FloatRect const&, Gfx::Color) = 0;
virtual void fill_rect(Gfx::FloatRect const&, Gfx::Color) = 0;
LibGfx+LibWeb: Cache SkImage in ImmutableBitmap By caching the SkImage that is reused across repaints, we allow Skia t optimize GPU texture caching. ImmutableBitmap is chosen to own the SkImage because it guarantees that the underlying pixels cannot be modified. This is not the case for Gfx::Bitmap, where invalidating the SkImage would be challenging since it exposes pointers to underlying data through methods like scanline().
2024-11-09 04:48:17 +00:00
virtual void draw_bitmap(Gfx::FloatRect const& dst_rect, Gfx::ImmutableBitmap const& src_bitmap, Gfx::IntRect const& src_rect, Gfx::ScalingMode, float global_alpha) = 0;
LibGfx: Introduce a new Gfx::Painter with a Skia backend This new painter is written with a virtual interface from the start, and we begin with a Skia backend. This patch adds enough to support our basic 2D HTML canvas usecase.
2024-07-05 13:36:55 +00:00
LibGfx+LibWeb: Add new Path class with Skia backend, use for 2D canvas This thing is essentially a wrapper around an SkPath, although we do some indirection via a PathImpl class to keep the door open for alternative rasterizer/path backends in the future. We also update the 2D canvas code, since that was the only code that used Painter+DeprecatedPath, and this allows us to just drop that code instead of temporarily supporting it until the next commit.
2024-08-08 13:12:29 +00:00
virtual void stroke_path(Gfx::Path const&, Gfx::Color, float thickness) = 0;
virtual void stroke_path(Gfx::Path const&, Gfx::PaintStyle const&, float thickness, float global_alpha) = 0;
LibGfx: Introduce a new Gfx::Painter with a Skia backend This new painter is written with a virtual interface from the start, and we begin with a Skia backend. This patch adds enough to support our basic 2D HTML canvas usecase.
2024-07-05 13:36:55 +00:00
LibGfx+LibWeb: Add new Path class with Skia backend, use for 2D canvas This thing is essentially a wrapper around an SkPath, although we do some indirection via a PathImpl class to keep the door open for alternative rasterizer/path backends in the future. We also update the 2D canvas code, since that was the only code that used Painter+DeprecatedPath, and this allows us to just drop that code instead of temporarily supporting it until the next commit.
2024-08-08 13:12:29 +00:00
virtual void fill_path(Gfx::Path const&, Gfx::Color, Gfx::WindingRule) = 0;
virtual void fill_path(Gfx::Path const&, Gfx::PaintStyle const&, float global_alpha, Gfx::WindingRule) = 0;
LibGfx: Introduce a new Gfx::Painter with a Skia backend This new painter is written with a virtual interface from the start, and we begin with a Skia backend. This patch adds enough to support our basic 2D HTML canvas usecase.
2024-07-05 13:36:55 +00:00
virtual void set_transform(Gfx::AffineTransform const&) = 0;
virtual void save() = 0;
virtual void restore() = 0;
LibWeb: Clip underlying Painter in CRC2D::clip()
2024-08-15 05:19:25 +00:00
virtual void clip(Gfx::Path const&, Gfx::WindingRule) = 0;
LibGfx: Introduce a new Gfx::Painter with a Skia backend This new painter is written with a virtual interface from the start, and we begin with a Skia backend. This patch adds enough to support our basic 2D HTML canvas usecase.
2024-07-05 13:36:55 +00:00
};
}
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