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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt 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 QOPENGL2PEXVERTEXARRAY_P_H
#define QOPENGL2PEXVERTEXARRAY_P_H
#include <QRectF>
#include <private/qdatabuffer_p.h>
#include <private/qvectorpath_p.h>
#include <private/qopenglcontext_p.h>
QT_BEGIN_NAMESPACE
class QOpenGLPoint
{
public:
QOpenGLPoint(GLfloat new_x, GLfloat new_y) :
x(new_x), y(new_y) {}
QOpenGLPoint(const QPointF &p) :
x(p.x()), y(p.y()) {}
QOpenGLPoint(const QPointF* p) :
x(p->x()), y(p->y()) {}
GLfloat x;
GLfloat y;
operator QPointF() {return QPointF(x,y);}
operator QPointF() const {return QPointF(x,y);}
};
Q_DECLARE_TYPEINFO(QOpenGLPoint, Q_PRIMITIVE_TYPE);
struct QOpenGLRect
{
QOpenGLRect(const QRectF &r)
: left(r.left()), top(r.top()), right(r.right()), bottom(r.bottom()) {}
QOpenGLRect(GLfloat l, GLfloat t, GLfloat r, GLfloat b)
: left(l), top(t), right(r), bottom(b) {}
GLfloat left;
GLfloat top;
GLfloat right;
GLfloat bottom;
operator QRectF() const {return QRectF(left, top, right-left, bottom-top);}
};
Q_DECLARE_TYPEINFO(QOpenGLRect, Q_PRIMITIVE_TYPE);
class QOpenGL2PEXVertexArray
{
public:
QOpenGL2PEXVertexArray() :
vertexArray(0), vertexArrayStops(0),
maxX(-2e10), maxY(-2e10), minX(2e10), minY(2e10),
boundingRectDirty(true)
{ }
inline void addRect(const QRectF &rect)
{
qreal top = rect.top();
qreal left = rect.left();
qreal bottom = rect.bottom();
qreal right = rect.right();
vertexArray << QOpenGLPoint(left, top)
<< QOpenGLPoint(right, top)
<< QOpenGLPoint(right, bottom)
<< QOpenGLPoint(right, bottom)
<< QOpenGLPoint(left, bottom)
<< QOpenGLPoint(left, top);
}
inline void addQuad(const QRectF &rect)
{
qreal top = rect.top();
qreal left = rect.left();
qreal bottom = rect.bottom();
qreal right = rect.right();
vertexArray << QOpenGLPoint(left, top)
<< QOpenGLPoint(right, top)
<< QOpenGLPoint(left, bottom)
<< QOpenGLPoint(right, bottom);
}
inline void addVertex(const GLfloat x, const GLfloat y)
{
vertexArray.add(QOpenGLPoint(x, y));
}
void addPath(const QVectorPath &path, GLfloat curveInverseScale, bool outline = true);
void clear();
QOpenGLPoint* data() {return vertexArray.data();}
int *stops() const { return vertexArrayStops.data(); }
int stopCount() const { return vertexArrayStops.size(); }
QOpenGLRect boundingRect() const;
int vertexCount() const { return vertexArray.size(); }
void lineToArray(const GLfloat x, const GLfloat y);
private:
QDataBuffer<QOpenGLPoint> vertexArray;
QDataBuffer<int> vertexArrayStops;
GLfloat maxX;
GLfloat maxY;
GLfloat minX;
GLfloat minY;
bool boundingRectDirty;
void addClosingLine(int index);
void addCentroid(const QVectorPath &path, int subPathIndex);
};
QT_END_NAMESPACE
#endif
|
