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39 | |
40 | // |
41 | // W A R N I N G |
42 | // ------------- |
43 | // |
44 | // This file is not part of the Qt API. It exists purely as an |
45 | // implementation detail. This header file may change from version to |
46 | // version without notice, or even be removed. |
47 | // |
48 | // We mean it. |
49 | // |
50 | |
51 | #ifndef QOPENGL2PEXVERTEXARRAY_P_H |
52 | #define QOPENGL2PEXVERTEXARRAY_P_H |
53 | |
54 | #include <QtGui/private/qtguiglobal_p.h> |
55 | #include <QRectF> |
56 | |
57 | #include <private/qdatabuffer_p.h> |
58 | #include <private/qvectorpath_p.h> |
59 | #include <private/qopenglcontext_p.h> |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QOpenGLPoint |
64 | { |
65 | public: |
66 | QOpenGLPoint(GLfloat new_x, GLfloat new_y) : |
67 | x(new_x), y(new_y) {}; |
68 | |
69 | QOpenGLPoint(const QPointF &p) : |
70 | x(p.x()), y(p.y()) {}; |
71 | |
72 | QOpenGLPoint(const QPointF* p) : |
73 | x(p->x()), y(p->y()) {}; |
74 | |
75 | GLfloat x; |
76 | GLfloat y; |
77 | |
78 | operator QPointF() {return QPointF(x,y);} |
79 | operator QPointF() const {return QPointF(x,y);} |
80 | }; |
81 | |
82 | struct QOpenGLRect |
83 | { |
84 | QOpenGLRect(const QRectF &r) |
85 | : left(r.left()), top(r.top()), right(r.right()), bottom(r.bottom()) {} |
86 | |
87 | QOpenGLRect(GLfloat l, GLfloat t, GLfloat r, GLfloat b) |
88 | : left(l), top(t), right(r), bottom(b) {} |
89 | |
90 | GLfloat left; |
91 | GLfloat top; |
92 | GLfloat right; |
93 | GLfloat bottom; |
94 | |
95 | operator QRectF() const {return QRectF(left, top, right-left, bottom-top);} |
96 | }; |
97 | |
98 | class QOpenGL2PEXVertexArray |
99 | { |
100 | public: |
101 | QOpenGL2PEXVertexArray() : |
102 | vertexArray(0), vertexArrayStops(0), |
103 | maxX(-2e10), maxY(-2e10), minX(2e10), minY(2e10), |
104 | boundingRectDirty(true) |
105 | { } |
106 | |
107 | inline void addRect(const QRectF &rect) |
108 | { |
109 | qreal top = rect.top(); |
110 | qreal left = rect.left(); |
111 | qreal bottom = rect.bottom(); |
112 | qreal right = rect.right(); |
113 | |
114 | vertexArray << QOpenGLPoint(left, top) |
115 | << QOpenGLPoint(right, top) |
116 | << QOpenGLPoint(right, bottom) |
117 | << QOpenGLPoint(right, bottom) |
118 | << QOpenGLPoint(left, bottom) |
119 | << QOpenGLPoint(left, top); |
120 | } |
121 | |
122 | inline void addQuad(const QRectF &rect) |
123 | { |
124 | qreal top = rect.top(); |
125 | qreal left = rect.left(); |
126 | qreal bottom = rect.bottom(); |
127 | qreal right = rect.right(); |
128 | |
129 | vertexArray << QOpenGLPoint(left, top) |
130 | << QOpenGLPoint(right, top) |
131 | << QOpenGLPoint(left, bottom) |
132 | << QOpenGLPoint(right, bottom); |
133 | |
134 | } |
135 | |
136 | inline void addVertex(const GLfloat x, const GLfloat y) |
137 | { |
138 | vertexArray.add(t: QOpenGLPoint(x, y)); |
139 | } |
140 | |
141 | void addPath(const QVectorPath &path, GLfloat curveInverseScale, bool outline = true); |
142 | void clear(); |
143 | |
144 | QOpenGLPoint* data() {return vertexArray.data();} |
145 | int *stops() const { return vertexArrayStops.data(); } |
146 | int stopCount() const { return vertexArrayStops.size(); } |
147 | QOpenGLRect boundingRect() const; |
148 | |
149 | int vertexCount() const { return vertexArray.size(); } |
150 | |
151 | void lineToArray(const GLfloat x, const GLfloat y); |
152 | |
153 | private: |
154 | QDataBuffer<QOpenGLPoint> vertexArray; |
155 | QDataBuffer<int> vertexArrayStops; |
156 | |
157 | GLfloat maxX; |
158 | GLfloat maxY; |
159 | GLfloat minX; |
160 | GLfloat minY; |
161 | bool boundingRectDirty; |
162 | void addClosingLine(int index); |
163 | void addCentroid(const QVectorPath &path, int subPathIndex); |
164 | }; |
165 | |
166 | QT_END_NAMESPACE |
167 | |
168 | #endif |
169 | |