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
107
|
/*
* Modification History
*
* 2001-September-15 Jason Rohrer
* Created.
*/
#ifndef GUI_PANEL_GL_INCLUDED
#define GUI_PANEL_GL_INCLUDED
#include "GUIComponentGL.h"
#include "GUIContainerGL.h"
#include "minorGems/util/SimpleVector.h"
#include "minorGems/graphics/Color.h"
#include <GL/gl.h>
/**
* A container with a background color that is drawn
* behind the components.
*
* @author Jason Rohrer
*/
class GUIPanelGL : public GUIContainerGL {
public:
/**
* Constructs a panel.
*
* @param inAnchorX the x position of the upper left corner
* of this component.
* @param inAnchorY the y position of the upper left corner
* of this component.
* @param inWidth the width of this component.
* @param inHeight the height of this component.
* @param inColor the background color for this panel.
* Will be destroyed when this class is destroyed.
*/
GUIPanelGL(
double inAnchorX, double inAnchorY, double inWidth,
double inHeight, Color *inColor );
~GUIPanelGL();
// override fireRedraw() in GUIComponentGL
virtual void fireRedraw();
protected:
Color *mColor;
};
inline GUIPanelGL::GUIPanelGL(
double inAnchorX, double inAnchorY, double inWidth,
double inHeight, Color *inColor )
: GUIContainerGL( inAnchorX, inAnchorY, inWidth, inHeight ),
mColor( inColor ) {
}
inline GUIPanelGL::~GUIPanelGL() {
delete mColor;
}
inline void GUIPanelGL::fireRedraw() {
// draw our background color as a rectangle
glColor3f( mColor->r, mColor->g, mColor->b );
glBegin( GL_QUADS ); {
glVertex2d( mAnchorX, mAnchorY );
glVertex2d( mAnchorX + mWidth, mAnchorY );
glVertex2d( mAnchorX + mWidth, mAnchorY + mHeight );
glVertex2d( mAnchorX, mAnchorY + mHeight );
}
glEnd();
// call the supercalss redraw
GUIContainerGL::fireRedraw();
}
#endif
|
