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#pragma once
#include "pre.hpp"
#include <Windows.h>
#include <memory>
#include "base.hpp"
struct IDXGISwapChain1;
struct ID2D1Bitmap1;
namespace cru::graph {
class GraphManager;
// Represents a window render target.
class WindowRenderTarget : public Object {
public:
WindowRenderTarget(GraphManager* graph_manager, HWND hwnd);
WindowRenderTarget(const WindowRenderTarget& other) = delete;
WindowRenderTarget(WindowRenderTarget&& other) = delete;
WindowRenderTarget& operator=(const WindowRenderTarget& other) = delete;
WindowRenderTarget& operator=(WindowRenderTarget&& other) = delete;
~WindowRenderTarget() override = default;
public:
// Get the graph manager that created the render target.
GraphManager* GetGraphManager() const { return graph_manager_; }
// Get the target bitmap which can be set as the ID2D1DeviceContext's target.
ID2D1Bitmap1* GetTargetBitmap() const { return target_bitmap_.get(); }
// Resize the underlying buffer.
void ResizeBuffer(int width, int height);
// Set this render target as the d2d device context's target.
void SetAsTarget();
// Present the data of the underlying buffer to the window.
void Present();
private:
void CreateTargetBitmap();
private:
GraphManager* graph_manager_;
std::shared_ptr<IDXGISwapChain1> dxgi_swap_chain_;
std::shared_ptr<ID2D1Bitmap1> target_bitmap_;
};
} // namespace cru::graph
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