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
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* Copyright 2010 Inalogic® Inc.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*
* Authored by: Jay Taoko <jaytaoko@inalogic.com>
*
*/
#ifndef TEXTUREAREA_H
#define TEXTUREAREA_H
#include "NuxGraphics/GraphicsEngine.h"
namespace nux
{
//! Represent a rectangular area painted with a color or a texture layer.
/*!
By default TextureArea contains a ColorLayer with the color set to Black.
*/
class TextureArea: public View
{
NUX_DECLARE_OBJECT_TYPE(TextureArea, View);
public:
TextureArea(NUX_FILE_LINE_PROTO);
virtual ~TextureArea();
/*!
Use the provided BaseTexture to create a TextureLayer.
The current layer is destroyed. If the \a texture argument is invalid the function returns without changing this object.
@param texture Pointer to a BaseTexture class.
*/
void SetTexture(BaseTexture *texture);
/*!
Use the provided \a color argument to create a ColorLayer.
The current layer is destroyed.
@param texture Pointer to a BaseTexture class.
*/
void SetColor(const Color &color);
/*!
Set the paint layer of this area. The layer argument to this function is cloned.
\sa AbstractPaintLayer, ColorLayer, ShapeLayer, SliceScaledTextureLayer, TextureLayer;
@param layer A pointer to a concrete class that inherit from AbstractPaintLayer.
*/
void SetPaintLayer(AbstractPaintLayer *layer);
void LoadImageFile(const std::string &filename);
/*!
Get a copy of the paint layer of this area. The layer must be destroyed with delete when it is no longer needed.
\sa AbstractPaintLayer, ColorLayer, ShapeLayer, SliceScaledTextureLayer, TextureLayer;
@return A copy of the layer inside this object.
*/
AbstractPaintLayer* GetPaintLayer() const;
//! Convenience function to set a 2D rotation when rendering the area.
/*!
The rotation is only used for rendering. It should not be used for something else.
*/
void Set2DRotation(float angle);
Matrix4 Get2DRotation() const;
sigc::signal<void, int, int> sigMouseDown; //!< Signal emmitted when a mouse button is pressed over this area.
sigc::signal<void, int, int> sigMouseDrag; //!< Signal emmitted when the mouse is dragged over this area.
protected:
virtual void Draw(GraphicsEngine &graphics_engine, bool force_draw);
virtual void DrawContent(GraphicsEngine &graphics_engine, bool force_draw);
virtual void PostDraw(GraphicsEngine &graphics_engine, bool force_draw);
void RecvMouseDown(int x, int y, long button_flags, long key_flags);
void RecvMouseUp(int x, int y, long button_flags, long key_flags);
void RecvMouseEnter(int x, int y, long button_flags, long key_flags);
void RecvMouseLeave(int x, int y, long button_flags, long key_flags);
void RecvMouseClick(int x, int y, long button_flags, long key_flags);
void RecvMouseDrag(int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags);
private:
AbstractPaintLayer *paint_layer_;
Matrix4 rotation_2d_; //!< 2D rotation matrix for this area. Used for rendering only.
};
typedef TextureArea Image;
}
#endif // TEXTUREAREA_H
|