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
108
109
110
111
112
113
114
115
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef PAINTER_H
#define PAINTER_H
#include <QtOpenGL/qgl.h>
#include <QtGui/qmatrix4x4.h>
class Light;
class LightModel;
class Material;
class QGLShaderProgram;
class Painter
{
public:
Painter() : light(0), lightModel(0) {}
virtual ~Painter() {}
virtual void setMatrices(const QMatrix4x4 &mv, const QMatrix4x4 &proj) = 0;
virtual void selectMaterial(Material *material) = 0;
virtual void selectTexturedMaterial(Material *material) = 0;
virtual void setVertices(const float *array, int stride) = 0;
virtual void setTexCoords(const float *array, int stride) = 0;
virtual void setNormals(const float *array, int stride) = 0;
void drawQuad(const QVector3D &c1, const QVector3D &c2,
const QVector3D &c3, const QVector3D &c4,
const QVector3D &normal);
void setLight(Light *value) { light = value; }
void setLightModel(LightModel *value) { lightModel = value; }
protected:
Light *light;
LightModel *lightModel;
};
class FixedFunctionPainter : public Painter
{
public:
FixedFunctionPainter();
void setMatrices(const QMatrix4x4 &mv, const QMatrix4x4 &proj);
void selectMaterial(Material *material);
void selectTexturedMaterial(Material *material);
void setVertices(const float *array, int stride);
void setTexCoords(const float *array, int stride);
void setNormals(const float *array, int stride);
};
class ShaderPainter : public Painter
{
public:
ShaderPainter();
~ShaderPainter();
void setMatrices(const QMatrix4x4 &mv, const QMatrix4x4 &proj);
void selectMaterial(Material *material);
void selectTexturedMaterial(Material *material);
void setVertices(const float *array, int stride);
void setTexCoords(const float *array, int stride);
void setNormals(const float *array, int stride);
private:
QGLShaderProgram *materialProgram;
QGLShaderProgram *textureProgram;
QGLShaderProgram *currentProgram;
QMatrix4x4 combinedMatrix;
QMatrix4x4 modelViewMatrix;
QMatrix3x3 normalMatrix;
bool matricesChanged;
void updateMaterials(QGLShaderProgram *program, Material *material);
};
#endif
|
