1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
#ifndef __ASURA_ENGINE_CANVAS_H__
#define __ASURA_ENGINE_CANVAS_H__
#include <asura-lib-utils/scripting/portable.hpp>
#include <asura-lib-utils/math/rect.hpp>
#include <asura-lib-utils/math/vector2.hpp>
#include "gl.h"
#include "texture.h"
#include "render_target.h"
#include "render_state.h"
namespace AsuraEngine
{
namespace Graphics
{
///
/// CanvasҲԳΪrender textureҲΪtextureȾ
///
class Canvas ASURA_FINAL
: public Drawable
, public RenderTarget
, public Scripting::Portable<Canvas>
{
public:
Canvas();
~Canvas();
///
/// render textureĴС
///
void SetSize(uint w, uint h);
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:
///
/// Frame buffer object id.
///
GLuint mFBO;
///
/// canvasĴС
///
uint mWidth, mHeight;
public:
//----------------------------------------------------------------------------------------------------------
LUAX_DECL_FACTORY(SimCanvas);
LUAX_DECL_METHOD(_SetSize);
LUAX_DECL_METHOD(_Bind);
LUAX_DECL_METHOD(_Unbind);
//----------------------------------------------------------------------------------------------------------
};
///
/// CanvasΪRenderTexture
///
using RenderTexture = Canvas;
}
}
#endif
|
