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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 test suite 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 #include <QtTest/QtTest> |
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44 #include <qmatrix.h> |
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45 #include <math.h> |
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46 #include <qpolygon.h> |
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47 |
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48 Q_DECLARE_METATYPE(QRect) |
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49 |
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50 //TESTED_CLASS= |
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51 //TESTED_FILES=gui/painting/qmatrix.h gui/painting/qmatrix.cpp |
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52 |
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53 class tst_QWMatrix : public QObject |
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54 { |
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55 Q_OBJECT |
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56 |
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57 public: |
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58 tst_QWMatrix(); |
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59 virtual ~tst_QWMatrix(); |
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60 |
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61 |
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62 public slots: |
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63 void init(); |
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64 void cleanup(); |
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65 private slots: |
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66 void mapRect_data(); |
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67 void operator_star_qrect_data(); |
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68 void mapToPolygon_data(); |
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69 void mapRect(); |
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70 void operator_star_qrect(); |
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71 void operator_star_qwmatrix(); |
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72 void assignments(); |
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73 void mapToPolygon(); |
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74 void translate(); |
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75 void scale(); |
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76 void mapPolygon(); |
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77 |
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78 private: |
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79 void mapping_data(); |
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80 }; |
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81 |
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82 Q_DECLARE_METATYPE(QMatrix) |
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83 Q_DECLARE_METATYPE(QPolygon) |
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84 |
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85 tst_QWMatrix::tst_QWMatrix() |
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86 { |
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87 } |
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88 |
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89 tst_QWMatrix::~tst_QWMatrix() |
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90 { |
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91 } |
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92 |
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93 void tst_QWMatrix::init() |
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94 { |
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95 // No initialisation is required |
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96 } |
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97 |
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98 void tst_QWMatrix::cleanup() |
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99 { |
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100 // No cleanup is required. |
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101 } |
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102 |
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103 void tst_QWMatrix::mapRect_data() |
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104 { |
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105 mapping_data(); |
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106 } |
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107 |
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108 void tst_QWMatrix::operator_star_qrect_data() |
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109 { |
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110 mapping_data(); |
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111 } |
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112 |
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113 void tst_QWMatrix::mapToPolygon_data() |
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114 { |
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115 mapping_data(); |
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116 } |
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117 |
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118 void tst_QWMatrix::mapping_data() |
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119 { |
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120 //create the testtable instance and define the elements |
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121 QTest::addColumn<QMatrix>("matrix"); |
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122 QTest::addColumn<QRect>("src"); |
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123 QTest::addColumn<QPolygon>("res"); |
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124 |
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125 //next we fill it with data |
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126 |
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127 // identity |
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128 QTest::newRow( "identity" ) << QMatrix( 1, 0, 0, 1, 0, 0 ) |
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129 << QRect( 10, 20, 30, 40 ) |
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130 << QPolygon( QRect( 10, 20, 30, 40 ) ); |
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131 // scaling |
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132 QTest::newRow( "scale 0" ) << QMatrix( 2, 0, 0, 2, 0, 0 ) |
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133 << QRect( 10, 20, 30, 40 ) |
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134 << QPolygon( QRect( 20, 40, 60, 80 ) ); |
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135 QTest::newRow( "scale 1" ) << QMatrix( 10, 0, 0, 10, 0, 0 ) |
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136 << QRect( 10, 20, 30, 40 ) |
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137 << QPolygon( QRect( 100, 200, 300, 400 ) ); |
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138 // mirroring |
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139 QTest::newRow( "mirror 0" ) << QMatrix( -1, 0, 0, 1, 0, 0 ) |
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140 << QRect( 10, 20, 30, 40 ) |
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141 << QPolygon( QRect( -40, 20, 30, 40 ) ); |
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142 QTest::newRow( "mirror 1" ) << QMatrix( 1, 0, 0, -1, 0, 0 ) |
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143 << QRect( 10, 20, 30, 40 ) |
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144 << QPolygon( QRect( 10, -60, 30, 40 ) ); |
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145 QTest::newRow( "mirror 2" ) << QMatrix( -1, 0, 0, -1, 0, 0 ) |
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146 << QRect( 10, 20, 30, 40 ) |
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147 << QPolygon( QRect( -40, -60, 30, 40 ) ); |
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148 QTest::newRow( "mirror 3" ) << QMatrix( -2, 0, 0, -2, 0, 0 ) |
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149 << QRect( 10, 20, 30, 40 ) |
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150 << QPolygon( QRect( -80, -120, 60, 80 ) ); |
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151 QTest::newRow( "mirror 4" ) << QMatrix( -10, 0, 0, -10, 0, 0 ) |
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152 << QRect( 10, 20, 30, 40 ) |
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153 << QPolygon( QRect( -400, -600, 300, 400 ) ); |
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154 QTest::newRow( "mirror 5" ) << QMatrix( -1, 0, 0, 1, 0, 0 ) |
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155 << QRect( 0, 0, 30, 40 ) |
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156 << QPolygon( QRect( -30, 0, 30, 40 ) ); |
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157 QTest::newRow( "mirror 6" ) << QMatrix( 1, 0, 0, -1, 0, 0 ) |
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158 << QRect( 0, 0, 30, 40 ) |
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159 << QPolygon( QRect( 0, -40, 30, 40 ) ); |
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160 QTest::newRow( "mirror 7" ) << QMatrix( -1, 0, 0, -1, 0, 0 ) |
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161 << QRect( 0, 0, 30, 40 ) |
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162 << QPolygon( QRect( -30, -40, 30, 40 ) ); |
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163 QTest::newRow( "mirror 8" ) << QMatrix( -2, 0, 0, -2, 0, 0 ) |
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164 << QRect( 0, 0, 30, 40 ) |
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165 << QPolygon( QRect( -60, -80, 60, 80 ) ); |
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166 QTest::newRow( "mirror 9" ) << QMatrix( -10, 0, 0, -10, 0, 0 ) |
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167 << QRect( 0, 0, 30, 40 ) |
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168 << QPolygon( QRect( -300, -400, 300, 400 ) ); |
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169 |
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170 #if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) |
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171 #define M_PI 3.14159265897932384626433832795f |
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172 #endif |
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173 |
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174 // rotations |
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175 float deg = 0.; |
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176 QTest::newRow( "rot 0 a" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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177 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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178 << QRect( 0, 0, 30, 40 ) |
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179 << QPolygon ( QRect( 0, 0, 30, 40 ) ); |
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180 deg = 0.00001f; |
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181 QTest::newRow( "rot 0 b" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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182 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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183 << QRect( 0, 0, 30, 40 ) |
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184 << QPolygon ( QRect( 0, 0, 30, 40 ) ); |
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185 deg = 0.; |
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186 QTest::newRow( "rot 0 c" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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187 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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188 << QRect( 10, 20, 30, 40 ) |
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189 << QPolygon ( QRect( 10, 20, 30, 40 ) ); |
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190 deg = 0.00001f; |
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191 QTest::newRow( "rot 0 d" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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192 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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193 << QRect( 10, 20, 30, 40 ) |
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194 << QPolygon ( QRect( 10, 20, 30, 40 ) ); |
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195 |
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196 #if 0 |
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197 // rotations |
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198 deg = 90.; |
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199 QTest::newRow( "rotscale 90 a" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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200 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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201 << QRect( 0, 0, 30, 40 ) |
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202 << QPolygon( QRect( 0, -299, 400, 300 ) ); |
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203 deg = 90.00001; |
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204 QTest::newRow( "rotscale 90 b" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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205 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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206 << QRect( 0, 0, 30, 40 ) |
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207 << QPolygon( QRect( 0, -299, 400, 300 ) ); |
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208 deg = 90.; |
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209 QTest::newRow( "rotscale 90 c" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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210 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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211 << QRect( 10, 20, 30, 40 ) |
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212 << QPolygon( QRect( 200, -399, 400, 300 ) ); |
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213 deg = 90.00001; |
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214 QTest::newRow( "rotscale 90 d" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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215 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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216 << QRect( 10, 20, 30, 40 ) |
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217 << QPolygon( QRect( 200, -399, 400, 300 ) ); |
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218 |
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219 deg = 180.; |
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220 QTest::newRow( "rotscale 180 a" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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221 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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222 << QRect( 0, 0, 30, 40 ) |
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223 << QPolygon( QRect( -299, -399, 300, 400 ) ); |
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224 deg = 180.000001; |
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225 QTest::newRow( "rotscale 180 b" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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226 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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227 << QRect( 0, 0, 30, 40 ) |
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228 << QPolygon( QRect( -299, -399, 300, 400 ) ); |
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229 deg = 180.; |
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230 QTest::newRow( "rotscale 180 c" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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231 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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232 << QRect( 10, 20, 30, 40 ) |
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233 << QPolygon( QRect( -399, -599, 300, 400 ) ); |
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234 deg = 180.000001; |
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235 QTest::newRow( "rotscale 180 d" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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236 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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237 << QRect( 10, 20, 30, 40 ) |
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238 << QPolygon( QRect( -399, -599, 300, 400 ) ); |
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239 |
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240 deg = 270.; |
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241 QTest::newRow( "rotscale 270 a" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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242 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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243 << QRect( 0, 0, 30, 40 ) |
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244 << QPolygon( QRect( -399, 00, 400, 300 ) ); |
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245 deg = 270.0000001; |
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246 QTest::newRow( "rotscale 270 b" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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247 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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248 << QRect( 0, 0, 30, 40 ) |
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249 << QPolygon( QRect( -399, 00, 400, 300 ) ); |
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250 deg = 270.; |
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251 QTest::newRow( "rotscale 270 c" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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252 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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253 << QRect( 10, 20, 30, 40 ) |
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254 << QPolygon( QRect( -599, 100, 400, 300 ) ); |
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255 deg = 270.000001; |
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256 QTest::newRow( "rotscale 270 d" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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257 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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258 << QRect( 10, 20, 30, 40 ) |
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259 << QPolygon( QRect( -599, 100, 400, 300 ) ); |
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260 |
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261 // rotations that are not multiples of 90 degrees. mapRect returns the bounding rect here. |
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262 deg = 45; |
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263 QTest::newRow( "rot 45 a" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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264 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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265 << QRect( 0, 0, 10, 10 ) |
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266 << QPolygon( QRect( 0, -7, 14, 14 ) ); |
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267 QTest::newRow( "rot 45 b" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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268 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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269 << QRect( 10, 20, 30, 40 ) |
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270 << QPolygon( QRect( 21, -14, 49, 49 ) ); |
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271 QTest::newRow( "rot 45 c" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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272 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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273 << QRect( 0, 0, 10, 10 ) |
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274 << QPolygon( QRect( 0, -70, 141, 141 ) ); |
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275 QTest::newRow( "rot 45 d" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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276 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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277 << QRect( 10, 20, 30, 40 ) |
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278 << QPolygon( QRect( 212, -141, 495, 495 ) ); |
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279 |
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280 deg = -45; |
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281 QTest::newRow( "rot -45 a" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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282 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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283 << QRect( 0, 0, 10, 10 ) |
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284 << QPolygon( QRect( -7, 0, 14, 14 ) ); |
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285 QTest::newRow( "rot -45 b" ) << QMatrix( cos( M_PI*deg/180. ), -sin( M_PI*deg/180. ), |
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286 sin( M_PI*deg/180. ), cos( M_PI*deg/180. ), 0, 0 ) |
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287 << QRect( 10, 20, 30, 40 ) |
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288 << QPolygon( QRect( -35, 21, 49, 49 ) ); |
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289 QTest::newRow( "rot -45 c" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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290 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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291 << QRect( 0, 0, 10, 10 ) |
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292 << QPolygon( QRect( -70, 0, 141, 141 ) ); |
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293 QTest::newRow( "rot -45 d" ) << QMatrix( 10*cos( M_PI*deg/180. ), -10*sin( M_PI*deg/180. ), |
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294 10*sin( M_PI*deg/180. ), 10*cos( M_PI*deg/180. ), 0, 0 ) |
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295 << QRect( 10, 20, 30, 40 ) |
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296 << QPolygon( QRect( -353, 212, 495, 495 ) ); |
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297 #endif |
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298 } |
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299 |
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300 void tst_QWMatrix::mapRect() |
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301 { |
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302 QFETCH( QMatrix, matrix ); |
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303 QFETCH( QRect, src ); |
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304 // qDebug( "got src: %d/%d (%d/%d), matrix=[ %f %f %f %f %f %f ]", |
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305 // src.x(), src.y(), src.width(), src.height(), |
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306 // matrix.m11(), matrix.m12(), matrix.m21(), matrix.m22(), matrix.dx(), matrix.dy() ); |
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307 QTEST( QPolygon( matrix.mapRect(src) ), "res" ); |
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308 } |
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309 |
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310 void tst_QWMatrix::operator_star_qrect() |
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311 { |
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312 #if 0 // QT_VERSION >= 0x030100 |
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313 QFETCH( QMatrix, matrix ); |
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314 QFETCH( QRect, src ); |
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315 QFETCH( QPolygon, res ); |
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316 |
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317 QCOMPARE( (matrix * src), QRegion(res) ); |
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318 #else |
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319 QSKIP( "Not tested with Qt versions < 3.1", SkipAll); |
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320 #endif |
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321 } |
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322 |
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323 |
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324 void tst_QWMatrix::operator_star_qwmatrix() |
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325 { |
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326 #if 0 |
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327 // Left out until the matrix multiply operator behaves properly.. |
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328 QMatrix m1( 2, 3, 4, 5, 6, 7 ); |
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329 QMatrix m2( 3, 4, 5, 6, 7, 8 ); |
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330 |
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331 QMatrix result1x2( 21, 26, 37, 46, 44, 75 ); |
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332 QMatrix result2x1( 22, 29, 34, 45, 53, 80); |
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333 |
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334 QMatrix product12 = m1*m2; |
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335 QMatrix product21 = m2*m1; |
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336 |
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337 QVERIFY( product12==result1x2 ); |
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338 QVERIFY( product21==result2x1 ); |
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339 #else |
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340 QSKIP( "Not tested with Qt versions since the operator is broken..", |
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341 SkipAll ); |
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342 #endif |
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343 } |
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344 |
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345 |
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346 void tst_QWMatrix::assignments() |
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347 { |
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348 QMatrix m; |
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349 m.scale(2, 3); |
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350 m.rotate(45); |
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351 m.shear(4, 5); |
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352 |
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353 QMatrix c1(m); |
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354 |
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355 QCOMPARE(m.m11(), c1.m11()); |
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356 QCOMPARE(m.m12(), c1.m12()); |
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357 QCOMPARE(m.m21(), c1.m21()); |
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358 QCOMPARE(m.m22(), c1.m22()); |
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359 QCOMPARE(m.dx(), c1.dx()); |
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360 QCOMPARE(m.dy(), c1.dy()); |
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361 |
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362 QMatrix c2 = m; |
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363 QCOMPARE(m.m11(), c2.m11()); |
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364 QCOMPARE(m.m12(), c2.m12()); |
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365 QCOMPARE(m.m21(), c2.m21()); |
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366 QCOMPARE(m.m22(), c2.m22()); |
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367 QCOMPARE(m.dx(), c2.dx()); |
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368 QCOMPARE(m.dy(), c2.dy()); |
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369 } |
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370 |
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371 |
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372 void tst_QWMatrix::mapToPolygon() |
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373 { |
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374 QFETCH( QMatrix, matrix ); |
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375 QFETCH( QRect, src ); |
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376 QFETCH( QPolygon, res ); |
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377 |
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378 QCOMPARE( matrix.mapToPolygon( src ), res ); |
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379 } |
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380 |
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381 |
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382 void tst_QWMatrix::translate() |
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383 { |
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384 QMatrix m( 1, 2, 3, 4, 5, 6 ); |
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385 QMatrix res2( m ); |
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386 QMatrix res( 1, 2, 3, 4, 75, 106 ); |
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387 m.translate( 10, 20 ); |
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388 QVERIFY( m == res ); |
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389 m.translate( -10, -20 ); |
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390 QVERIFY( m == res2 ); |
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391 } |
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392 |
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393 void tst_QWMatrix::scale() |
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394 { |
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395 QMatrix m( 1, 2, 3, 4, 5, 6 ); |
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396 QMatrix res2( m ); |
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397 QMatrix res( 10, 20, 60, 80, 5, 6 ); |
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398 m.scale( 10, 20 ); |
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399 QVERIFY( m == res ); |
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400 m.scale( 1./10., 1./20. ); |
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401 QVERIFY( m == res2 ); |
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402 } |
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403 |
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404 void tst_QWMatrix::mapPolygon() |
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405 { |
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406 QPolygon poly; |
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407 poly << QPoint(0, 0) << QPoint(1, 1) << QPoint(100, 1) << QPoint(1, 100) << QPoint(-1, -1) << QPoint(-1000, 1000); |
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408 |
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409 { |
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410 QMatrix m; |
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411 m.rotate(90); |
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412 |
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413 // rotating 90 degrees four times should result in original poly |
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414 QPolygon mapped = m.map(m.map(m.map(m.map(poly)))); |
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415 QCOMPARE(mapped, poly); |
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416 |
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417 QMatrix m2; |
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418 m2.scale(10, 10); |
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419 QMatrix m3; |
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420 m3.scale(0.1, 0.1); |
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421 |
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422 mapped = m3.map(m2.map(poly)); |
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423 QCOMPARE(mapped, poly); |
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424 } |
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425 |
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426 { |
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427 QMatrix m(1, 2, 3, 4, 5, 6); |
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428 |
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429 QPolygon mapped = m.map(poly); |
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430 for (int i = 0; i < mapped.size(); ++i) |
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431 QCOMPARE(mapped.at(i), m.map(poly.at(i))); |
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432 } |
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433 } |
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434 |
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435 QTEST_APPLESS_MAIN(tst_QWMatrix) |
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436 #include "tst_qwmatrix.moc" |