mirror of
https://github.com/RGBCube/serenity
synced 2025-05-31 08:58:11 +00:00
aa6c008450
Very basic implementation of command to paint bitmap. In the future we should reuse loaded textures across repaints whenever it is possible.
70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
/*
|
|
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Noncopyable.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibAccelGfx/Canvas.h>
|
|
#include <LibAccelGfx/Forward.h>
|
|
#include <LibAccelGfx/Program.h>
|
|
#include <LibGfx/AffineTransform.h>
|
|
#include <LibGfx/Forward.h>
|
|
|
|
namespace AccelGfx {
|
|
|
|
class Painter {
|
|
AK_MAKE_NONCOPYABLE(Painter);
|
|
AK_MAKE_NONMOVABLE(Painter);
|
|
|
|
public:
|
|
static OwnPtr<Painter> create();
|
|
|
|
Painter(Context&);
|
|
~Painter();
|
|
|
|
void clear(Gfx::Color);
|
|
|
|
void save();
|
|
void restore();
|
|
|
|
[[nodiscard]] Gfx::AffineTransform const& transform() const { return state().transform; }
|
|
void set_transform(Gfx::AffineTransform const& transform) { state().transform = transform; }
|
|
|
|
void fill_rect(Gfx::FloatRect, Gfx::Color);
|
|
void fill_rect(Gfx::IntRect, Gfx::Color);
|
|
|
|
enum class ScalingMode {
|
|
NearestNeighbor,
|
|
Bilinear,
|
|
};
|
|
|
|
void draw_scaled_bitmap(Gfx::FloatRect const& dst_rect, Gfx::Bitmap const&, Gfx::FloatRect const& src_rect, ScalingMode = ScalingMode::NearestNeighbor);
|
|
void draw_scaled_bitmap(Gfx::IntRect const& dst_rect, Gfx::Bitmap const&, Gfx::IntRect const& src_rect, ScalingMode = ScalingMode::NearestNeighbor);
|
|
|
|
void set_canvas(Canvas& canvas) { m_canvas = canvas; }
|
|
void flush();
|
|
|
|
private:
|
|
Context& m_context;
|
|
Optional<Canvas> m_canvas;
|
|
|
|
struct State {
|
|
Gfx::AffineTransform transform;
|
|
};
|
|
|
|
[[nodiscard]] State& state() { return m_state_stack.last(); }
|
|
[[nodiscard]] State const& state() const { return m_state_stack.last(); }
|
|
|
|
[[nodiscard]] Gfx::FloatRect to_clip_space(Gfx::FloatRect const& screen_rect) const;
|
|
|
|
Vector<State, 1> m_state_stack;
|
|
|
|
Program m_rectangle_program;
|
|
Program m_blit_program;
|
|
};
|
|
|
|
}
|