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
|
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef DRAWER_P_H
#define DRAWER_P_H
#include "datavisualizationglobal_p.h"
#include "q3dbars.h"
#include "q3dtheme.h"
#include "labelitem_p.h"
#include "abstractrenderitem_p.h"
#include <QFont>
namespace QtDataVisualization {
class ShaderHelper;
class ObjectHelper;
class AbstractObjectHelper;
class SurfaceObject;
class TextureHelper;
class Q3DCamera;
class Drawer : public QObject, public QOpenGLFunctions
{
Q_OBJECT
public:
enum LabelPosition {
LabelBelow = 0,
LabelLow,
LabelMid,
LabelHigh,
LabelOver,
LabelBottom, // Absolute positions from here onward, used for axes (QDataItem is ignored)
LabelTop,
LabelLeft,
LabelRight
};
public:
explicit Drawer(Q3DTheme *theme);
~Drawer();
void initializeOpenGL();
void setTheme(Q3DTheme *theme);
Q3DTheme *theme() const;
void setFont(const QFont &font);
QFont font() const;
void setLabelBackground(bool enabled);
void drawObject(ShaderHelper *shader, AbstractObjectHelper *object, GLuint textureId = 0,
GLuint depthTextureId = 0);
void drawSurfaceGrid(ShaderHelper *shader, SurfaceObject *object);
void drawPoint(ShaderHelper *shader);
void drawLabel(const AbstractRenderItem &item, const LabelItem &labelItem,
const QMatrix4x4 &viewmatrix, const QMatrix4x4 &projectionmatrix,
const QVector3D &positionComp, const QVector3D &rotation, GLfloat itemHeight,
QAbstract3DGraph::SelectionFlags mode, ShaderHelper *shader, ObjectHelper *object,
const Q3DCamera *camera, bool useDepth = false, bool rotateAlong = false,
LabelPosition position = LabelOver,
Qt::AlignmentFlag alignment = Qt::AlignCenter, bool isSlicing = false);
void generateSelectionLabelTexture(AbstractRenderItem *item);
void generateLabelItem(LabelItem &item, const QString &text, int widestLabel = 0);
Q_SIGNALS:
void drawerChanged();
private:
Q3DTheme *m_theme;
QFont m_font;
bool m_labelBackground;
TextureHelper *m_textureHelper;
GLuint m_pointbuffer;
};
}
#endif
|