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1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the QtOpenGL module of the Qt Toolkit. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 // |
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43 // W A R N I N G |
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44 // ------------- |
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45 // |
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46 // This file is not part of the Qt API. It exists purely as an |
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47 // implementation detail. This header file may change from version to |
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48 // version without notice, or even be removed. |
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49 // |
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50 // We mean it. |
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51 // |
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52 |
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53 #ifndef QGL2PEXVERTEXARRAY_P_H |
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54 #define QGL2PEXVERTEXARRAY_P_H |
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55 |
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56 #include <QRectF> |
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57 |
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58 #include <private/qdatabuffer_p.h> |
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59 #include <private/qvectorpath_p.h> |
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60 #include <private/qgl_p.h> |
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61 |
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62 QT_BEGIN_NAMESPACE |
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63 |
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64 class QGLPoint |
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65 { |
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66 public: |
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67 QGLPoint(GLfloat new_x, GLfloat new_y) : |
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68 x(new_x), y(new_y) {}; |
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69 |
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70 QGLPoint(const QPointF &p) : |
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71 x(p.x()), y(p.y()) {}; |
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72 |
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73 QGLPoint(const QPointF* p) : |
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74 x(p->x()), y(p->y()) {}; |
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75 |
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76 GLfloat x; |
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77 GLfloat y; |
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78 |
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79 operator QPointF() {return QPointF(x,y);} |
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80 operator QPointF() const {return QPointF(x,y);} |
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81 }; |
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82 |
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83 struct QGLRect |
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84 { |
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85 QGLRect(const QRectF &r) |
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86 : left(r.left()), top(r.top()), right(r.right()), bottom(r.bottom()) {} |
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87 |
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88 QGLRect(GLfloat l, GLfloat t, GLfloat r, GLfloat b) |
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89 : left(l), top(t), right(r), bottom(b) {} |
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90 |
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91 GLfloat left; |
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92 GLfloat top; |
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93 GLfloat right; |
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94 GLfloat bottom; |
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95 |
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96 operator QRectF() {return QRectF(left, top, right-left, bottom-top);} |
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97 }; |
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98 |
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99 class QGL2PEXVertexArray |
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100 { |
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101 public: |
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102 QGL2PEXVertexArray() : |
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103 maxX(-2e10), maxY(-2e10), minX(2e10), minY(2e10), |
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104 boundingRectDirty(true) {} |
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105 |
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106 void addRect(const QRectF &rect); |
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107 void addPath(const QVectorPath &path, GLfloat curveInverseScale, bool outline = true); |
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108 void clear(); |
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109 |
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110 QGLPoint* data() {return vertexArray.data();} |
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111 QVector<int>& stops() {return vertexArrayStops;} |
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112 QGLRect boundingRect() const; |
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113 |
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114 void lineToArray(const GLfloat x, const GLfloat y); |
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115 |
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116 private: |
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117 QDataBuffer<QGLPoint> vertexArray; |
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118 QVector<int> vertexArrayStops; |
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119 |
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120 GLfloat maxX; |
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121 GLfloat maxY; |
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122 GLfloat minX; |
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123 GLfloat minY; |
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124 bool boundingRectDirty; |
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125 |
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126 inline void curveToArray(const QGLPoint &cp1, const QGLPoint &cp2, const QGLPoint &ep, GLfloat inverseScale); |
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127 |
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128 void addClosingLine(int index); |
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129 void addCentroid(const QVectorPath &path, int subPathIndex); |
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130 }; |
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131 |
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132 QT_END_NAMESPACE |
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133 |
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134 #endif |