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#ifndef __ASURA_ENGINE_CANVAS_H__
#define __ASURA_ENGINE_CANVAS_H__
#include <asura-utils/scripting/portable.hpp>
#include <asura-utils/math/rect.hpp>
#include <asura-utils/math/vector2.hpp>
#include <asura-utils/exceptions/exception.h>
#include "gfx_device.h"
#include "texture.h"
#include "render_target.h"
#include "render_state.h"
namespace AsuraEngine
{
namespace Graphics
{
///
/// CanvasҲԳΪrender textureҲΪtextureȾ
///
class Canvas ASURA_FINAL
: public Scripting::Portable<Canvas, RenderTarget>
{
public:
Canvas();
~Canvas();
///
/// render textureĴС
///
void SetSize(uint w, uint h) ASURA_THROW(Exception);
void Clear(const Color& col = Color::Black) override;
/*
void Clear(const Math::Recti& quad, const Color& col = Color::Black) override;
*/
void Render(const RenderTarget* rt, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
void Render(const RenderTarget* rt, const Math::Rectf& quad, const Math::Vector2i& pos, const Math::Vector2i& scale, const Math::Vector2i& center, float rot);
void Draw(const Drawable* texture, const RenderState& state);
void Draw(const Drawable* texture, const Math::Recti& quad, const RenderState& state);
private:
GLuint mFBO;
GLuint mTexID;
uint mWidth, mHeight;
luaxport:
LUAX_DECL_FACTORY(Canvas, RenderTarget);
LUAX_DECL_METHOD(_SetSize);
LUAX_DECL_METHOD(_Bind);
LUAX_DECL_METHOD(_Unbind);
};
///
/// CanvasΪRenderTexture
///
typedef Canvas RenderTexture;
}
}
#endif
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