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#ifndef __ASURA_ENGINE_CANVAS_H__
#define __ASURA_ENGINE_CANVAS_H__
#include <Scripting/Luax.hpp>
#include "Math/Rect.hpp"
#include "GL.h"
#include "Texture.h"
#include "RenderTarget.h"
namespace AsuraEngine
{
namespace Graphics
{
///
/// CanvasҲԳΪrender textureҲΪtextureȾ
///
class Canvas final : public Drawable, public RenderTarget, public Scripting::Portable
{
public:
Canvas();
~Canvas();
///
/// render textureĴС
///
void SetSize(uint w, uint h);
///
/// ȾtexturertϣԭϽǣң
///
void Render(const RenderTarget* rt, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
///
/// ȾtextureһֵrtϣԭϽǣң졣
///
void Render(const RenderTarget* rt, const Math::Rectf& quad, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
//----------------------------------------------------------------------------------------------------------
LUAX_DECL_FACTORY(SimCanvas);
LUAX_DECL_METHOD(l_SetSize);
LUAX_DECL_METHOD(l_Bind);
LUAX_DECL_METHOD(l_Unbind);
//----------------------------------------------------------------------------------------------------------
private:
///
/// Frame buffer object id.
///
GLuint mFBO;
///
/// canvasĴС
///
uint mWidth, mHeight;
};
///
/// CanvasΪRenderTexture
///
using RenderTexture = Canvas;
}
}
#endif
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