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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 <qregion.h> |
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45 |
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46 #include <qbitmap.h> |
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47 #include <qpainter.h> |
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48 #include <qpolygon.h> |
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49 #ifdef Q_WS_X11 |
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50 #include <private/qt_x11_p.h> |
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51 #endif |
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52 |
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53 |
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54 //TESTED_CLASS= |
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55 //TESTED_FILES= |
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56 |
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57 class tst_QRegion : public QObject |
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58 { |
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59 Q_OBJECT |
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60 |
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61 public: |
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62 tst_QRegion(); |
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63 |
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64 private slots: |
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65 void boundingRect(); |
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66 void rects(); |
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67 void setRects(); |
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68 void ellipseRegion(); |
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69 void polygonRegion(); |
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70 void bitmapRegion(); |
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71 void intersected_data(); |
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72 void intersected(); |
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73 void emptyPolygonRegion_data(); |
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74 void emptyPolygonRegion(); |
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75 |
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76 void intersects_region_data(); |
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77 void intersects_region(); |
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78 void intersects_rect_data(); |
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79 void intersects_rect(); |
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80 void contains_point(); |
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81 |
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82 void operator_plus_data(); |
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83 void operator_plus(); |
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84 void operator_minus_data(); |
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85 void operator_minus(); |
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86 void operator_intersect_data(); |
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87 void operator_intersect(); |
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88 void operator_xor_data(); |
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89 void operator_xor(); |
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90 |
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91 void numRects_data(); |
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92 void numRects(); |
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93 |
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94 void isEmpty_data(); |
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95 void isEmpty(); |
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96 #ifdef Q_OS_WIN |
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97 void handle(); |
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98 #endif |
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99 #if defined(Q_WS_X11) && defined(QT_BUILD_INTERNAL) |
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100 void clipRectangles(); |
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101 #endif |
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102 |
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103 void regionFromPath(); |
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104 |
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105 void regionToPath_data(); |
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106 void regionToPath(); |
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107 }; |
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108 |
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109 Q_DECLARE_METATYPE(QPolygon) |
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110 Q_DECLARE_METATYPE(QVector<QRect>) |
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111 Q_DECLARE_METATYPE(QRegion) |
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112 |
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113 tst_QRegion::tst_QRegion() |
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114 { |
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115 } |
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116 |
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117 void tst_QRegion::boundingRect() |
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118 { |
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119 { |
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120 QRect rect; |
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121 QRegion region( rect ); |
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122 QCOMPARE( region.boundingRect(), rect ); |
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123 } |
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124 { |
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125 QRect rect( 10, -20, 30, 40 ); |
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126 QRegion region( rect ); |
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127 QCOMPARE( region.boundingRect(), rect ); |
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128 } |
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129 { |
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130 QRect rect(15,25,10,10); |
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131 QRegion region( rect ); |
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132 QCOMPARE( region.boundingRect(), rect ); |
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133 } |
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134 |
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135 } |
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136 |
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137 void tst_QRegion::rects() |
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138 { |
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139 { |
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140 QRect rect; |
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141 QRegion region( rect ); |
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142 QVERIFY( region.isEmpty() ); |
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143 QVERIFY( region.rects().isEmpty() ); |
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144 } |
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145 { |
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146 QRect rect( 10, -20, 30, 40 ); |
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147 QRegion region( rect ); |
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148 QCOMPARE( region.rects().count(), 1 ); |
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149 QCOMPARE( region.rects()[0], rect ); |
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150 } |
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151 { |
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152 QRect r( QPoint(10, 10), QPoint(40, 40) ); |
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153 QRegion region( r ); |
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154 QVERIFY( region.contains( QPoint(10,10) ) ); |
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155 QVERIFY( region.contains( QPoint(20,40) ) ); |
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156 QVERIFY( region.contains( QPoint(40,20) ) ); |
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157 QVERIFY( !region.contains( QPoint(20,41) ) ); |
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158 QVERIFY( !region.contains( QPoint(41,20) ) ); |
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159 } |
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160 { |
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161 QRect r( 10, 10, 30, 30 ); |
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162 QRegion region( r ); |
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163 QVERIFY( region.contains( QPoint(10,10) ) ); |
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164 QVERIFY( region.contains( QPoint(20,39) ) ); |
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165 QVERIFY( region.contains( QPoint(39,20) ) ); |
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166 QVERIFY( !region.contains( QPoint(20,40) ) ); |
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167 QVERIFY( !region.contains( QPoint(40,20) ) ); |
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168 } |
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169 } |
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170 |
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171 void tst_QRegion::setRects() |
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172 { |
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173 { |
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174 QRegion region; |
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175 region.setRects( 0, 0 ); |
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176 QVERIFY( region.rects().isEmpty() ); |
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177 } |
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178 { |
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179 QRegion region; |
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180 QRect rect; |
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181 region.setRects( &rect, 0 ); |
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182 QVERIFY(region.isEmpty()); |
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183 QVERIFY(region == QRegion()); |
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184 QVERIFY(!region.boundingRect().isValid()); |
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185 QVERIFY(region.rects().isEmpty()); |
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186 } |
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187 { |
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188 QRegion region; |
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189 QRect rect; |
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190 region.setRects( &rect, 1 ); |
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191 QVERIFY( !region.boundingRect().isValid() ); |
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192 QVERIFY( region.rects().isEmpty() ); |
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193 } |
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194 { |
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195 QRegion region; |
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196 QRect rect( 10, -20, 30, 40 ); |
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197 region.setRects( &rect, 1 ); |
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198 QCOMPARE( region.rects().count(), 1 ); |
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199 QCOMPARE( region.rects()[0], rect ); |
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200 } |
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201 } |
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202 |
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203 void tst_QRegion::ellipseRegion() |
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204 { |
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205 QRegion region(0, 0, 100, 100, QRegion::Ellipse); |
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206 |
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207 // These should not be inside the circe |
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208 QVERIFY(!region.contains(QPoint(13, 13))); |
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209 QVERIFY(!region.contains(QPoint(13, 86))); |
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210 QVERIFY(!region.contains(QPoint(86, 13))); |
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211 QVERIFY(!region.contains(QPoint(86, 86))); |
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212 |
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213 // These should be inside |
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214 QVERIFY(region.contains(QPoint(16, 16))); |
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215 QVERIFY(region.contains(QPoint(16, 83))); |
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216 QVERIFY(region.contains(QPoint(83, 16))); |
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217 QVERIFY(region.contains(QPoint(83, 83))); |
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218 |
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219 // ..a.. |
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220 // .. .. |
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221 // . . |
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222 // . . |
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223 // b c |
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224 // . . |
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225 // . . |
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226 // .. .. |
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227 // ..d.. |
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228 QVERIFY(region.contains(QPoint(50, 0))); // Mid-top (a) |
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229 QVERIFY(region.contains(QPoint(0, 50))); // Mid-left (b) |
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230 QVERIFY(region.contains(QPoint(99, 50))); // Mid-right (c) |
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231 QVERIFY(region.contains(QPoint(50, 99))); // Mid-bottom (d) |
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232 |
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233 QRect bounds = region.boundingRect(); |
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234 QCOMPARE(bounds.x(), 0); |
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235 QCOMPARE(bounds.y(), 0); |
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236 QCOMPARE(bounds.width(), 100); |
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237 QCOMPARE(bounds.height(), 100); |
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238 } |
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239 |
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240 void tst_QRegion::polygonRegion() |
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241 { |
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242 QPolygon pa; |
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243 { |
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244 QRegion region ( pa ); |
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245 QVERIFY( region.isEmpty() ); |
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246 } |
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247 { |
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248 pa.setPoints( 8, 10, 10, // a____________b |
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249 40, 10, // | | |
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250 40, 20, // |___ ___| |
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251 30, 20, // | | |
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252 30, 40, // | | |
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253 20, 40, // | | |
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254 20, 20, // |____c |
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255 10, 20 ); |
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256 |
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257 QRegion region ( pa ); |
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258 QVERIFY( !region.isEmpty() ); |
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259 |
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260 // These should not be inside the circle |
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261 QVERIFY( !region.contains( QPoint( 9, 9 ) ) ); |
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262 QVERIFY( !region.contains( QPoint( 30, 41 ) ) ); |
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263 QVERIFY( !region.contains( QPoint( 41, 10 ) ) ); |
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264 QVERIFY( !region.contains( QPoint( 31, 21 ) ) ); |
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265 |
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266 // These should be inside |
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267 QVERIFY( region.contains( QPoint( 10, 10 ) ) ); // Upper-left (a) |
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268 |
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269 } |
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270 } |
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271 |
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272 void tst_QRegion::emptyPolygonRegion_data() |
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273 { |
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274 QTest::addColumn<QPolygon>("pa"); |
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275 QTest::addColumn<bool>("isEmpty"); |
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276 QTest::addColumn<int>("numRects"); |
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277 QTest::addColumn<QVector<QRect> >("rects"); |
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278 |
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279 QPolygon pa; |
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280 |
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281 |
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282 QTest::newRow("no points") << pa << true << 0 << QVector<QRect>(); |
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283 pa = QPolygon() << QPoint(10,10); |
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284 QTest::newRow("one point") << pa << true << 0 << QVector<QRect>(); |
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285 pa = QPolygon() << QPoint(10,10) << QPoint(10,20); |
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286 QTest::newRow("two points, horizontal") << pa << true << 0 << QVector<QRect>(); |
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287 |
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288 pa = QPolygon() << QPoint(10,10) << QPoint(20,10); |
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289 QTest::newRow("two points, vertical") << pa << true << 0 << QVector<QRect>(); |
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290 |
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291 pa = QPolygon() << QPoint(10,10) << QPoint(20,20); |
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292 QTest::newRow("two points, diagonal") << pa << true << 0 << QVector<QRect>(); |
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293 |
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294 pa = QPolygon() << QPoint(10,10) << QPoint(15,15) << QPoint(10,15) << QPoint(10, 10) ; |
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295 QVector<QRect> v; |
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296 v << QRect(10,11,1, 1) << QRect(10,12,2,1) << QRect(10,13,3,1) << QRect(10,14,4,1); |
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297 QTest::newRow("triangle") << pa << false << 4 << v; |
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298 |
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299 v.clear(); |
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300 v << QRect(10,10,10,10); |
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301 |
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302 QTest::newRow("rectangle") << QPolygon(QRect(10,10,10,10)) << false << 1 << v; |
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303 |
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304 } |
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305 |
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306 void tst_QRegion::emptyPolygonRegion() |
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307 { |
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308 QFETCH(QPolygon, pa); |
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309 |
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310 QRegion r(pa); |
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311 QTEST(r.isEmpty(), "isEmpty"); |
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312 QTEST(r.rects().count(), "numRects"); |
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313 QTEST(r.rects(), "rects"); |
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314 } |
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315 |
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316 |
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317 static const char *circle_xpm[] = { |
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318 "20 20 2 1", |
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319 " c #FFFFFF", |
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320 ". c #000000", |
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321 " ...... ", |
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322 " .......... ", |
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323 " .............. ", |
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324 " ................ ", |
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325 " ................ ", |
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326 " .................. ", |
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327 " .................. ", |
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328 "....................", |
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329 "....................", |
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330 "....................", |
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331 "....................", |
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332 "....................", |
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333 "....................", |
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334 " .................. ", |
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335 " .................. ", |
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336 " ................ ", |
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337 " ................ ", |
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338 " .............. ", |
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339 " .......... ", |
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340 " ...... " |
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341 }; |
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342 |
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343 void tst_QRegion::bitmapRegion() |
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344 { |
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345 QBitmap circle; |
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346 { |
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347 QRegion region( circle ); |
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348 QVERIFY( region.isEmpty() ); |
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349 } |
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350 { |
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351 circle = QPixmap( circle_xpm ); |
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352 QRegion region( circle ); |
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353 |
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354 //// These should not be inside the circe |
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355 QVERIFY( !region.contains( QPoint( 2, 2 ) ) ); |
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356 QVERIFY( !region.contains( QPoint( 2, 17 ) ) ); |
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357 QVERIFY( !region.contains( QPoint( 17, 2 ) ) ); |
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358 QVERIFY( !region.contains( QPoint( 17, 17 ) ) ); |
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359 |
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360 //// These should be inside |
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361 QVERIFY( region.contains( QPoint( 3, 3 ) ) ); |
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362 QVERIFY( region.contains( QPoint( 3, 16 ) ) ); |
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363 QVERIFY( region.contains( QPoint( 16, 3 ) ) ); |
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364 QVERIFY( region.contains( QPoint( 16, 16 ) ) ); |
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365 |
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366 QVERIFY( region.contains( QPoint( 0, 10 ) ) ); // Mid-left |
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367 QVERIFY( region.contains( QPoint( 10, 0 ) ) ); // Mid-top |
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368 QVERIFY( region.contains( QPoint( 19, 10 ) ) ); // Mid-right |
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369 QVERIFY( region.contains( QPoint( 10, 19 ) ) ); // Mid-bottom |
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370 } |
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371 } |
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372 |
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373 void tst_QRegion::intersected_data() |
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374 { |
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375 QTest::addColumn<QRegion>("r1"); |
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376 QTest::addColumn<QRegion>("r2"); |
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377 QTest::addColumn<bool>("intersects"); |
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378 // QTest::addColumn<QRegion>("intersected"); |
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379 |
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380 QPolygon ps1(8); |
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381 QPolygon ps2(8); |
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382 ps1.putPoints(0,8, 20,20, 50,20, 50,100, 70,100, 70,20, 120,20, 120,200, 20, 200); |
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383 ps2.putPoints(0,8, 100,150, 140,150, 140,160, 160,160, 160,150, 200,150, 200,180, 100,180); |
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384 QTest::newRow("task30716") << QRegion(ps1) << QRegion(ps2) << true; |
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385 } |
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386 |
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387 void tst_QRegion::intersected() |
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388 { |
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389 QFETCH(QRegion, r1); |
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390 QFETCH(QRegion, r2); |
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391 QFETCH(bool, intersects); |
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392 |
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393 QRegion interReg = r1.intersected(r2); |
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394 QVERIFY(interReg.isEmpty() != intersects); |
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395 // Need a way to test the intersected QRegion is right |
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396 } |
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397 |
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398 void tst_QRegion::intersects_region_data() |
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399 { |
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400 QTest::addColumn<QRegion>("r1"); |
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401 QTest::addColumn<QRegion>("r2"); |
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402 QTest::addColumn<bool>("intersects"); |
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403 |
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404 QTest::newRow("rect overlap rect") << QRegion(100, 100, 200, 200) |
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405 << QRegion(200, 200, 200, 200) |
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406 << true; |
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407 |
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408 QTest::newRow("rect not overlap rect") << QRegion(100, 100, 200, 200) |
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409 << QRegion(400, 400, 200, 200) |
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410 << false; |
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411 |
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412 QTest::newRow("ellipse overlap ellipse") << QRegion(100, 100, 200, 200, QRegion::Ellipse) |
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413 << QRegion(200, 200, 200, 200, QRegion::Ellipse) |
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414 << true; |
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415 |
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416 QTest::newRow("ellipse not overlap ellipse") << QRegion(100, 100, 200, 200, QRegion::Ellipse) |
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417 << QRegion(400, 400, 200, 200, QRegion::Ellipse) |
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418 << false; |
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419 } |
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420 |
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421 void tst_QRegion::intersects_region() |
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422 { |
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423 QFETCH(QRegion, r1); |
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424 QFETCH(QRegion, r2); |
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425 QFETCH(bool, intersects); |
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426 QCOMPARE(r1.intersects(r2), intersects); |
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427 } |
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428 |
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429 |
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430 void tst_QRegion::intersects_rect_data() |
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431 { |
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432 QTest::addColumn<QRegion>("region"); |
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433 QTest::addColumn<QRect>("rect"); |
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434 QTest::addColumn<bool>("intersects"); |
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435 |
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436 QTest::newRow("rect overlap rect") << QRegion(100, 100, 200, 200) |
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437 << QRect(200, 200, 200, 200) |
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438 << true; |
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439 |
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440 QTest::newRow("rect not overlap rect") << QRegion(100, 100, 200, 200) |
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441 << QRect(400, 400, 200, 200) |
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442 << false; |
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443 |
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444 QTest::newRow("ellipse overlap rect") << QRegion(100, 100, 200, 200, QRegion::Ellipse) |
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445 << QRect(200, 200, 200, 200) |
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446 << true; |
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447 |
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448 QTest::newRow("ellipse not overlap rect") << QRegion(100, 100, 200, 200, QRegion::Ellipse) |
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449 << QRect(400, 400, 200, 200) |
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450 << false; |
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451 } |
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452 |
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453 void tst_QRegion::intersects_rect() |
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454 { |
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455 QFETCH(QRegion, region); |
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456 QFETCH(QRect, rect); |
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457 QFETCH(bool, intersects); |
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458 QCOMPARE(region.intersects(rect), intersects); |
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459 } |
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460 |
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461 void tst_QRegion::contains_point() |
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462 { |
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463 QCOMPARE(QRegion().contains(QPoint(1,1)),false); |
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464 QCOMPARE(QRegion(0,0,2,2).contains(QPoint(1,1)),true); |
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465 } |
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466 |
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467 void tst_QRegion::operator_plus_data() |
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468 { |
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469 QTest::addColumn<QRegion>("r1"); |
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470 QTest::addColumn<QRegion>("r2"); |
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471 QTest::addColumn<QRegion>("expected"); |
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472 |
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473 QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion(); |
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474 QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10)) |
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475 << QRegion(QRect(10, 10, 10, 10)); |
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476 QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion() |
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477 << QRegion(QRect(10, 10, 10, 10)); |
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478 |
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479 QRegion expected; |
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480 QVector<QRect> rects; |
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481 rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10); |
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482 expected.setRects(rects.constData(), rects.size()); |
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483 QTest::newRow("non overlapping") << QRegion(10, 10, 10, 10) |
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484 << QRegion(22, 10, 10, 10) |
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485 << expected; |
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486 |
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487 rects.clear(); |
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488 rects << QRect(50, 0, 50, 2); |
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489 expected.setRects(rects.constData(), rects.size()); |
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490 QTest::newRow("adjacent y-rects") << QRegion(50, 0, 50, 1) |
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491 << QRegion(50, 1, 50, 1) |
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492 << expected; |
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493 |
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494 rects.clear(); |
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495 rects << QRect(50, 0, 2, 1); |
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496 expected.setRects(rects.constData(), rects.size()); |
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497 QTest::newRow("adjacent x-rects") << QRegion(50, 0, 1, 1) |
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498 << QRegion(51, 0, 1, 1) |
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499 << expected; |
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500 |
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501 rects.clear(); |
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502 rects << QRect(10, 10, 10, 10) << QRect(10, 20, 5, 10); |
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503 QRegion r1; |
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504 r1.setRects(rects.constData(), rects.size()); |
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505 QTest::newRow("double merge") << r1 << QRegion(15, 20, 5, 10) |
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506 << QRegion(10, 10, 10, 20); |
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507 rects.clear(); |
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508 rects << QRect(15, 10, 5, 10) << QRect(10, 20, 10, 10); |
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509 r1.setRects(rects.constData(), rects.size()); |
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510 QTest::newRow("double merge 2") << r1 << QRegion(10, 10, 5, 10) |
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511 << QRegion(10, 10, 10, 20); |
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512 QTest::newRow("overlapping x") << QRegion(10, 10, 10, 10) |
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513 << QRegion(15, 10, 10, 10) |
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514 << QRegion(10, 10, 15, 10); |
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515 QTest::newRow("overlapping y") << QRegion(10, 10, 10, 10) |
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516 << QRegion(10, 15, 10, 10) |
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517 << QRegion(10, 10, 10, 15); |
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518 rects.clear(); |
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519 rects << QRect(10, 10, 10, 10) << QRect(10, 20, 5, 10); |
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520 r1.setRects(rects.constData(), rects.size()); |
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521 rects.clear(); |
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522 rects << QRect(15, 20, 5, 10) << QRect(10, 30, 10, 10); |
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523 QRegion r2; |
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524 r2.setRects(rects.constData(), rects.size()); |
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525 QTest::newRow("triple merge") << r1 << r2 |
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526 << QRegion(10, 10, 10, 30); |
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527 |
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528 rects.clear(); |
|
529 rects << QRect(10, 10, 4, 10) << QRect(15, 10, 10, 10); |
|
530 r1.setRects(rects.constData(), rects.size()); |
|
531 rects.clear(); |
|
532 rects << QRect(15, 20, 10, 10); |
|
533 r2.setRects(rects.constData(), rects.size()); |
|
534 rects.clear(); |
|
535 rects << QRect(10, 10, 4, 10) << QRect(15, 10, 10, 10) |
|
536 << QRect(15, 20, 10, 10); |
|
537 expected.setRects(rects.constData(), rects.size()); |
|
538 QTest::newRow("don't merge y") << r1 << r2 << expected; |
|
539 |
|
540 QTest::newRow("equal 1") << QRegion(10, 10, 10, 10) |
|
541 << QRegion(10, 10, 10, 10) |
|
542 << QRegion(10, 10, 10, 10); |
|
543 QTest::newRow("equal 2") << expected << expected << expected; |
|
544 } |
|
545 |
|
546 void tst_QRegion::operator_plus() |
|
547 { |
|
548 QFETCH(QRegion, r1); |
|
549 QFETCH(QRegion, r2); |
|
550 QFETCH(QRegion, expected); |
|
551 |
|
552 if (r1 + r2 != expected) { |
|
553 qDebug() << "r1 + r2" << (r1 + r2); |
|
554 qDebug() << "expected" << expected; |
|
555 } |
|
556 QCOMPARE(r1 + r2, expected); |
|
557 if (r2.numRects() == 1) { |
|
558 if (r1 + r2.boundingRect() != expected) { |
|
559 qDebug() << "r1 + QRect(r2)" << (r1 + r2.boundingRect()); |
|
560 qDebug() << "expected" << expected; |
|
561 } |
|
562 QCOMPARE(r1 + r2.boundingRect(), expected); |
|
563 } |
|
564 |
|
565 if (r2 + r1 != expected) { |
|
566 qDebug() << "r2 + r1" << (r2 + r1); |
|
567 qDebug() << "expected" << expected; |
|
568 } |
|
569 QCOMPARE(r2 + r1, expected); |
|
570 if (r1.numRects() == 1) { |
|
571 if (r1 + r2.boundingRect() != expected) { |
|
572 qDebug() << "r2 + QRect(r1)" << (r2 + r1.boundingRect()); |
|
573 qDebug() << "expected" << expected; |
|
574 } |
|
575 QCOMPARE(r2 + r1.boundingRect(), expected); |
|
576 } |
|
577 |
|
578 QRegion result1 = r1; |
|
579 result1 += r2; |
|
580 if (result1 != expected) { |
|
581 qDebug() << "r1 += r2" << result1; |
|
582 qDebug() << "expected" << expected; |
|
583 } |
|
584 QCOMPARE(result1, expected); |
|
585 if (r2.numRects() == 1) { |
|
586 result1 = r1; |
|
587 result1 += r2.boundingRect(); |
|
588 if (result1 != expected) { |
|
589 qDebug() << "r1 += QRect(r2)" << result1; |
|
590 qDebug() << "expected" << expected; |
|
591 } |
|
592 QCOMPARE(result1, expected); |
|
593 } |
|
594 |
|
595 QRegion result2 = r2; |
|
596 result2 += r1; |
|
597 if (result2 != expected) { |
|
598 qDebug() << "r2 += r1" << result2; |
|
599 qDebug() << "expected" << expected; |
|
600 } |
|
601 QCOMPARE(result2, expected); |
|
602 if (r1.numRects() == 1) { |
|
603 result2 = r2; |
|
604 result2 += r1.boundingRect(); |
|
605 if (result2 != expected) { |
|
606 qDebug() << "r2 += QRect(r1)" << result2; |
|
607 qDebug() << "expected" << expected; |
|
608 } |
|
609 QCOMPARE(result2, expected); |
|
610 } |
|
611 } |
|
612 |
|
613 void tst_QRegion::operator_minus_data() |
|
614 { |
|
615 QTest::addColumn<QRegion>("dest"); |
|
616 QTest::addColumn<QRegion>("subtract"); |
|
617 QTest::addColumn<QRegion>("expected"); |
|
618 |
|
619 QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion(); |
|
620 QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10)) |
|
621 << QRegion(); |
|
622 QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion() |
|
623 << QRegion(QRect(10, 10, 10, 10)); |
|
624 |
|
625 QRegion dest; |
|
626 QVector<QRect> rects; |
|
627 rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10); |
|
628 dest.setRects(rects.constData(), rects.size()); |
|
629 QTest::newRow("simple 1") << dest |
|
630 << QRegion(22, 10, 10, 10) |
|
631 << QRegion(10, 10, 10, 10); |
|
632 QTest::newRow("simple 2") << dest |
|
633 << QRegion(10, 10, 10, 10) |
|
634 << QRegion(22, 10, 10, 10); |
|
635 |
|
636 rects.clear(); |
|
637 rects << QRect(0, 0, 10, 10) << QRect(15, 0, 10, 10); |
|
638 dest.setRects(rects.constData(), rects.size()); |
|
639 |
|
640 QRegion minus; |
|
641 rects.clear(); |
|
642 rects << QRect(0, 0, 12, 12) << QRect(15, 0, 12, 12); |
|
643 minus.setRects(rects.constData(), rects.size()); |
|
644 QTest::newRow("empty 3") << dest << minus << QRegion(); |
|
645 } |
|
646 |
|
647 void tst_QRegion::operator_minus() |
|
648 { |
|
649 QFETCH(QRegion, dest); |
|
650 QFETCH(QRegion, subtract); |
|
651 QFETCH(QRegion, expected); |
|
652 |
|
653 if (dest - subtract != expected) { |
|
654 qDebug() << "dest - subtract" << (dest - subtract); |
|
655 qDebug() << "expected" << expected; |
|
656 }; |
|
657 QCOMPARE(dest - subtract, expected); |
|
658 |
|
659 dest -= subtract; |
|
660 |
|
661 if (dest != expected) { |
|
662 qDebug() << "dest" << dest; |
|
663 qDebug() << "expected" << expected; |
|
664 }; |
|
665 QCOMPARE(dest, expected); |
|
666 } |
|
667 |
|
668 void tst_QRegion::operator_intersect_data() |
|
669 { |
|
670 QTest::addColumn<QRegion>("r1"); |
|
671 QTest::addColumn<QRegion>("r2"); |
|
672 QTest::addColumn<QRegion>("expected"); |
|
673 |
|
674 QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion(); |
|
675 QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10)) |
|
676 << QRegion(); |
|
677 QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion() |
|
678 << QRegion(); |
|
679 |
|
680 QRegion dest; |
|
681 QVector<QRect> rects; |
|
682 rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10); |
|
683 dest.setRects(rects.constData(), rects.size()); |
|
684 QTest::newRow("simple 1") << dest |
|
685 << QRegion(22, 10, 10, 10) |
|
686 << QRegion(22, 10, 10, 10); |
|
687 QTest::newRow("simple 2") << dest |
|
688 << QRegion(10, 10, 10, 10) |
|
689 << QRegion(10, 10, 10, 10); |
|
690 |
|
691 rects.clear(); |
|
692 rects << QRect(10, 10, 10, 10) << QRect(10, 20, 15, 10); |
|
693 dest.setRects(rects.constData(), rects.size()); |
|
694 QTest::newRow("merge 1") << dest |
|
695 << QRegion(10, 10, 10, 20) |
|
696 << QRegion(10, 10, 10, 20); |
|
697 |
|
698 rects.clear(); |
|
699 rects << QRect(11, 11, 218, 117) << QRect(11, 128, 218, 27) |
|
700 << QRect(264, 128, 122, 27) << QRect(11, 155, 218, 43) |
|
701 << QRect(11, 198, 218, 27) << QRect(264, 198, 122, 27) |
|
702 << QRect(11, 225, 218, 221); |
|
703 dest.setRects(rects.constData(), rects.size()); |
|
704 QTest::newRow("merge 2") << dest << QRegion(11, 11, 218, 458) |
|
705 << QRegion(11, 11, 218, 435); |
|
706 |
|
707 rects.clear(); |
|
708 rects << QRect(0, 0, 10, 10) << QRect(20, 0, 10, 10); |
|
709 dest.setRects(rects.constData(), rects.size()); |
|
710 QTest::newRow("empty 3") << dest << QRegion(11, 0, 5, 5) << QRegion(); |
|
711 |
|
712 QTest::newRow("extents check") << dest << QRegion(0, 0, 15, 15) |
|
713 << QRegion(0, 0, 10, 10); |
|
714 |
|
715 rects.clear(); |
|
716 rects << QRect(10, 10, 10, 10) << QRect(10, 20, 10, 10) |
|
717 << QRect(30, 20, 10, 10) << QRect(10, 30, 10, 10); |
|
718 dest.setRects(rects.constData(), rects.size()); |
|
719 rects.clear(); |
|
720 rects << QRect(10, 10, 10, 10) << QRect(10, 20, 10, 10) |
|
721 << QRect(30, 20, 10, 10); |
|
722 QRegion expected; |
|
723 expected.setRects(rects.constData(), rects.size()); |
|
724 QTest::newRow("dont merge") << dest << QRegion(0, 0, 100, 30) |
|
725 << expected; |
|
726 } |
|
727 |
|
728 void tst_QRegion::operator_intersect() |
|
729 { |
|
730 QFETCH(QRegion, r1); |
|
731 QFETCH(QRegion, r2); |
|
732 QFETCH(QRegion, expected); |
|
733 |
|
734 if ((r1 & r2) != expected) { |
|
735 qDebug() << "r1 & r2" << (r1 & r2); |
|
736 qDebug() << "expected" << expected; |
|
737 } |
|
738 QCOMPARE(r1 & r2, expected); |
|
739 |
|
740 if ((r2 & r1) != expected) { |
|
741 qDebug() << "r2 & r1" << (r2 & r1); |
|
742 qDebug() << "expected" << expected; |
|
743 } |
|
744 QCOMPARE(r2 & r1, expected); |
|
745 |
|
746 r1 &= r2; |
|
747 QCOMPARE(r1, expected); |
|
748 } |
|
749 |
|
750 void tst_QRegion::operator_xor_data() |
|
751 { |
|
752 QTest::addColumn<QRegion>("dest"); |
|
753 QTest::addColumn<QRegion>("arg"); |
|
754 QTest::addColumn<QRegion>("expected"); |
|
755 |
|
756 QTest::newRow("empty 0") << QRegion() << QRegion() << QRegion(); |
|
757 QTest::newRow("empty 1") << QRegion() << QRegion(QRect(10, 10, 10, 10)) |
|
758 << QRegion(QRect(10, 10, 10, 10)); |
|
759 QTest::newRow("empty 2") << QRegion(QRect(10, 10, 10, 10)) << QRegion() |
|
760 << QRegion(QRect(10, 10, 10, 10)); |
|
761 |
|
762 QRegion dest; |
|
763 QVector<QRect> rects; |
|
764 rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10); |
|
765 dest.setRects(rects.constData(), rects.size()); |
|
766 QTest::newRow("simple 1") << dest |
|
767 << QRegion(22, 10, 10, 10) |
|
768 << QRegion(10, 10, 10, 10); |
|
769 QTest::newRow("simple 2") << dest |
|
770 << QRegion(10, 10, 10, 10) |
|
771 << QRegion(22, 10, 10, 10); |
|
772 QTest::newRow("simple 3") << dest << dest << QRegion(); |
|
773 QTest::newRow("simple 4") << QRegion(10, 10, 10, 10) |
|
774 << QRegion(10, 10, 5, 10) |
|
775 << QRegion(15, 10, 5, 10); |
|
776 QTest::newRow("simple 5") << QRegion(10, 10, 10, 10) |
|
777 << QRegion(10, 10, 10, 5) |
|
778 << QRegion(10, 15, 10, 5); |
|
779 |
|
780 const QRegion rgnA(0, 0, 100, 100); |
|
781 const QRegion rgnB(0, 0, 10, 10); |
|
782 |
|
783 QTest::newRow("simple 6") << rgnA |
|
784 << rgnA - rgnB |
|
785 << rgnB; |
|
786 |
|
787 QTest::newRow("simple 7") << rgnB |
|
788 << rgnA |
|
789 << rgnA - rgnB; |
|
790 } |
|
791 |
|
792 void tst_QRegion::operator_xor() |
|
793 { |
|
794 QFETCH(QRegion, dest); |
|
795 QFETCH(QRegion, arg); |
|
796 QFETCH(QRegion, expected); |
|
797 |
|
798 QCOMPARE(dest ^ arg, expected); |
|
799 QCOMPARE(dest.xored(arg), expected); |
|
800 |
|
801 dest ^= arg; |
|
802 QCOMPARE(dest, expected); |
|
803 } |
|
804 |
|
805 void tst_QRegion::numRects_data() |
|
806 { |
|
807 QTest::addColumn<QRegion>("region"); |
|
808 QTest::addColumn<int>("expected"); |
|
809 |
|
810 QTest::newRow("empty") << QRegion() << 0; |
|
811 QTest::newRow("rect") << QRegion(10, 10, 10, 10) << 1; |
|
812 |
|
813 QRegion dest; |
|
814 QVector<QRect> rects; |
|
815 rects << QRect(10, 10, 10, 10) << QRect(22, 10, 10, 10); |
|
816 dest.setRects(rects.constData(), rects.size()); |
|
817 |
|
818 QTest::newRow("2 rects") << dest << rects.size(); |
|
819 } |
|
820 |
|
821 void tst_QRegion::numRects() |
|
822 { |
|
823 QFETCH(QRegion, region); |
|
824 QFETCH(int, expected); |
|
825 |
|
826 QCOMPARE(region.numRects(), expected); |
|
827 } |
|
828 |
|
829 void tst_QRegion::isEmpty_data() |
|
830 { |
|
831 QTest::addColumn<QRegion>("region"); |
|
832 |
|
833 QTest::newRow("QRegion") << QRegion(); |
|
834 |
|
835 QVector<QRect> rects; |
|
836 rects << QRect(0, 0, 10, 10) << QRect(15, 0, 10, 10); |
|
837 QRegion r1; |
|
838 r1.setRects(rects.constData(), rects.size()); |
|
839 |
|
840 QRegion r2; |
|
841 rects.clear(); |
|
842 rects << QRect(0, 0, 12, 12) << QRect(15, 0, 12, 12); |
|
843 r2.setRects(rects.constData(), rects.size()); |
|
844 QTest::newRow("minus") << (r1 - r2); |
|
845 } |
|
846 |
|
847 void tst_QRegion::isEmpty() |
|
848 { |
|
849 QFETCH(QRegion, region); |
|
850 |
|
851 QVERIFY(region.isEmpty()); |
|
852 QCOMPARE(region, QRegion()); |
|
853 QCOMPARE(region.numRects(), 0); |
|
854 QCOMPARE(region.boundingRect(), QRect()); |
|
855 QVERIFY(region.rects().isEmpty()); |
|
856 } |
|
857 |
|
858 #ifdef Q_OS_WIN |
|
859 void tst_QRegion::handle() |
|
860 { |
|
861 QRegion r; |
|
862 HRGN hrgn = r.handle(); |
|
863 QRegion r2(QRect(0,0,10,10)); |
|
864 hrgn = r2.handle(); |
|
865 } |
|
866 #endif |
|
867 |
|
868 #if defined(Q_WS_X11) && defined(QT_BUILD_INTERNAL) |
|
869 void tst_QRegion::clipRectangles() |
|
870 { |
|
871 QRegion region(30, 30, 30, 30); |
|
872 int num = 0; |
|
873 qt_getClipRects(region, num); |
|
874 QCOMPARE(num, 1); |
|
875 |
|
876 region += QRegion(10, 10, 10, 10); |
|
877 XRectangle *rects2 = static_cast<XRectangle *>(qt_getClipRects(region, num)); |
|
878 QCOMPARE(num, 2); |
|
879 |
|
880 // Here's the important part (Y-sorted): |
|
881 QCOMPARE(int(rects2[0].y), 10); |
|
882 QCOMPARE(int(rects2[1].y), 30); |
|
883 } |
|
884 #endif |
|
885 |
|
886 void tst_QRegion::regionFromPath() |
|
887 { |
|
888 { |
|
889 QPainterPath path; |
|
890 path.addRect(0, 0, 10, 10); |
|
891 path.addRect(0, 100, 100, 1000); |
|
892 |
|
893 QRegion rgn(path.toFillPolygon().toPolygon()); |
|
894 QCOMPARE(rgn.rects().size(), 2); |
|
895 QCOMPARE(rgn.rects().at(0), QRect(0, 0, 10, 10)); |
|
896 QCOMPARE(rgn.rects().at(1), QRect(0, 100, 100, 1000)); |
|
897 |
|
898 QCOMPARE(rgn.boundingRect(), QRect(0, 0, 100, 1100)); |
|
899 } |
|
900 |
|
901 { |
|
902 QPainterPath path; |
|
903 path.addRect(0, 0, 100, 100); |
|
904 path.addRect(10, 10, 80, 80); |
|
905 |
|
906 QRegion rgn(path.toFillPolygon().toPolygon()); |
|
907 QCOMPARE(rgn.rects().size(), 4); |
|
908 |
|
909 QCOMPARE(rgn.rects().at(0), QRect(0, 0, 100, 10)); |
|
910 QCOMPARE(rgn.rects().at(1), QRect(0, 10, 10, 80)); |
|
911 QCOMPARE(rgn.rects().at(2), QRect(90, 10, 10, 80)); |
|
912 QCOMPARE(rgn.rects().at(3), QRect(0, 90, 100, 10)); |
|
913 |
|
914 QCOMPARE(rgn.boundingRect(), QRect(0, 0, 100, 100)); |
|
915 } |
|
916 } |
|
917 |
|
918 Q_DECLARE_METATYPE(QPainterPath) |
|
919 |
|
920 void tst_QRegion::regionToPath_data() |
|
921 { |
|
922 QTest::addColumn<QPainterPath>("path"); |
|
923 { |
|
924 QPainterPath path; |
|
925 path.addRect(QRect(0, 0, 10, 10)); |
|
926 |
|
927 QTest::newRow("Rectangle") << path; |
|
928 } |
|
929 |
|
930 { |
|
931 QPainterPath path; |
|
932 path.addRect(QRect(0, 0, 10, 10)); |
|
933 path.addRect(QRect(20, 0, 10, 10)); |
|
934 |
|
935 QTest::newRow("Two rects") << path; |
|
936 } |
|
937 |
|
938 { |
|
939 QPainterPath path; |
|
940 path.addEllipse(QRect(0, 0, 10, 10)); |
|
941 |
|
942 QTest::newRow("Ellipse") << path; |
|
943 } |
|
944 |
|
945 { |
|
946 QPainterPath path; |
|
947 path.addRect(QRect(0, 0, 3, 8)); |
|
948 path.addRect(QRect(6, 0, 3, 8)); |
|
949 path.addRect(QRect(3, 3, 3, 2)); |
|
950 path.addRect(QRect(12, 3, 3, 2)); |
|
951 |
|
952 QTest::newRow("H-dot") << path; |
|
953 } |
|
954 |
|
955 { |
|
956 QPainterPath path; |
|
957 for (int y = 0; y <= 10; ++y) { |
|
958 for (int x = 0; x <= 10; ++x) { |
|
959 if (!(y & 1) || ((x ^ y) & 1)) |
|
960 path.addRect(QRect(x, y, 1, 1)); |
|
961 } |
|
962 } |
|
963 |
|
964 QTest::newRow("Grid") << path; |
|
965 } |
|
966 } |
|
967 |
|
968 #ifdef QT_BUILD_INTERNAL |
|
969 QT_BEGIN_NAMESPACE |
|
970 extern QPainterPath qt_regionToPath(const QRegion ®ion); |
|
971 QT_END_NAMESPACE |
|
972 #endif |
|
973 |
|
974 void tst_QRegion::regionToPath() |
|
975 { |
|
976 #ifdef QT_BUILD_INTERNAL |
|
977 |
|
978 QFETCH(QPainterPath, path); |
|
979 |
|
980 for (int i = 0; i < 360; i += 10) { |
|
981 |
|
982 QTransform transform; |
|
983 transform.scale(5, 5); |
|
984 transform.rotate(i); |
|
985 |
|
986 QPainterPath mapped = transform.map(path); |
|
987 QRegion region(mapped.toFillPolygon().toPolygon()); |
|
988 |
|
989 QPainterPath a; |
|
990 a.addRegion(region); |
|
991 |
|
992 QPainterPath b = qt_regionToPath(region); |
|
993 |
|
994 QRect r = a.boundingRect().toAlignedRect(); |
|
995 QImage ia(r.size(), QImage::Format_RGB32); |
|
996 ia.fill(0xffffffff); |
|
997 QImage ib = ia; |
|
998 |
|
999 QPainter p(&ia); |
|
1000 p.translate(-r.x(), -r.y()); |
|
1001 p.fillPath(a, Qt::red); |
|
1002 p.end(); |
|
1003 p.begin(&ib); |
|
1004 p.translate(-r.x(), -r.y()); |
|
1005 p.fillPath(b, Qt::red); |
|
1006 p.end(); |
|
1007 |
|
1008 QCOMPARE(ia, ib); |
|
1009 QCOMPARE(a.boundingRect(), b.boundingRect()); |
|
1010 } |
|
1011 #endif |
|
1012 } |
|
1013 |
|
1014 QTEST_MAIN(tst_QRegion) |
|
1015 #include "tst_qregion.moc" |