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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 |
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45 #include <qimage.h> |
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46 #include <qimagereader.h> |
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47 #include <qlist.h> |
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48 #include <qmatrix.h> |
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49 #include <stdio.h> |
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50 |
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51 #include <qpainter.h> |
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52 #include <private/qdrawhelper_p.h> |
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53 |
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54 |
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55 //TESTED_CLASS= |
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56 //TESTED_FILES= |
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57 #if defined(Q_OS_SYMBIAN) |
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58 # define SRCDIR "" |
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59 #endif |
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60 |
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61 Q_DECLARE_METATYPE(QImage::Format) |
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62 |
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63 class tst_QImage : public QObject |
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64 { |
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65 Q_OBJECT |
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66 |
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67 public: |
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68 tst_QImage(); |
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69 |
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70 private slots: |
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71 void create(); |
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72 void createInvalidXPM(); |
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73 void createFromUChar(); |
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74 void convertBitOrder(); |
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75 void formatHandlersInput_data(); |
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76 void formatHandlersInput(); |
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77 |
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78 void setAlphaChannel_data(); |
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79 void setAlphaChannel(); |
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80 |
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81 void alphaChannel(); |
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82 |
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83 void convertToFormat_data(); |
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84 void convertToFormat(); |
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85 |
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86 void createAlphaMask_data(); |
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87 void createAlphaMask(); |
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88 #ifndef QT_NO_IMAGE_HEURISTIC_MASK |
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89 void createHeuristicMask(); |
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90 #endif |
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91 |
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92 void dotsPerMeterZero(); |
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93 |
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94 void convertToFormatPreserveDotsPrMeter(); |
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95 #ifndef QT_NO_IMAGE_TEXT |
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96 void convertToFormatPreserveText(); |
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97 #endif |
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98 |
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99 void rotate_data(); |
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100 void rotate(); |
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101 |
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102 void copy(); |
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103 |
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104 void setPixel_data(); |
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105 void setPixel(); |
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106 |
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107 void setNumColors(); |
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108 void setColor(); |
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109 |
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110 void rasterClipping(); |
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111 |
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112 void pointOverloads(); |
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113 void destructor(); |
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114 void cacheKey(); |
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115 |
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116 void smoothScale(); |
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117 void smoothScale2(); |
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118 void smoothScale3(); |
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119 |
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120 void smoothScaleBig(); |
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121 void smoothScaleAlpha(); |
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122 |
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123 void transformed_data(); |
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124 void transformed(); |
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125 void transformed2(); |
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126 |
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127 void scaled(); |
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128 |
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129 void paintEngine(); |
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130 void setAlphaChannelWhilePainting(); |
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131 |
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132 void smoothScaledSubImage(); |
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133 |
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134 void nullSize_data(); |
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135 void nullSize(); |
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136 |
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137 void premultipliedAlphaConsistency(); |
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138 |
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139 void compareIndexed(); |
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140 }; |
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141 |
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142 tst_QImage::tst_QImage() |
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143 |
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144 { |
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145 } |
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146 |
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147 // Test if QImage (or any functions called from QImage) throws an |
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148 // exception when creating an extremely large image. |
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149 // QImage::create() should return "false" in this case. |
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150 void tst_QImage::create() |
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151 { |
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152 bool cr = true; |
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153 #if !defined(Q_WS_QWS) && !defined(Q_OS_WINCE) |
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154 try { |
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155 #endif |
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156 //QImage image(7000000, 7000000, 8, 256, QImage::IgnoreEndian); |
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157 QImage image(7000000, 7000000, QImage::Format_Indexed8); |
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158 image.setNumColors(256); |
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159 cr = !image.isNull(); |
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160 #if !defined(Q_WS_QWS) && !defined(Q_OS_WINCE) |
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161 } catch (...) { |
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162 } |
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163 #endif |
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164 QVERIFY( !cr ); |
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165 } |
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166 |
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167 void tst_QImage::createInvalidXPM() |
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168 { |
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169 QTest::ignoreMessage(QtWarningMsg, "QImage::QImage(), XPM is not supported"); |
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170 const char *xpm[] = {""}; |
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171 QImage invalidXPM(xpm); |
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172 QVERIFY(invalidXPM.isNull()); |
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173 } |
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174 |
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175 void tst_QImage::createFromUChar() |
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176 { |
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177 uchar data[] = { |
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178 #if Q_BYTE_ORDER == Q_BIG_ENDIAN |
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179 0xFF, |
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180 #endif |
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181 1,1,1, 0xFF, 2,2,2, 0xFF, 3,3,3, 0xFF, 4,4,4, |
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182 #if Q_BYTE_ORDER != Q_BIG_ENDIAN |
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183 0xFF, |
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184 #endif |
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185 }; |
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186 |
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187 // When the data is const, nothing you do to the image will change the source data. |
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188 QImage i1((const uchar*)data, 2, 2, 8, QImage::Format_RGB32); |
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189 QCOMPARE(i1.pixel(0,0), 0xFF010101U); |
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190 QCOMPARE(i1.pixel(1,0), 0xFF020202U); |
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191 QCOMPARE(i1.pixel(0,1), 0xFF030303U); |
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192 QCOMPARE(i1.pixel(1,1), 0xFF040404U); |
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193 { |
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194 QImage i(i1); |
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195 i.setPixel(0,0,5); |
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196 } |
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197 QCOMPARE(i1.pixel(0,0), 0xFF010101U); |
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198 QCOMPARE(*(QRgb*)data, 0xFF010101U); |
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199 *((QRgb*)i1.bits()) = 7U; |
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200 QCOMPARE(i1.pixel(0,0), 7U); |
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201 QCOMPARE(*(QRgb*)data, 0xFF010101U); |
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202 |
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203 // Changing copies should not change the original image or data. |
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204 { |
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205 QImage i(i1); |
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206 i.setPixel(0,0,5); |
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207 QCOMPARE(*(QRgb*)data, 0xFF010101U); |
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208 i1.setPixel(0,0,9); |
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209 QCOMPARE(i1.pixel(0,0), 0xFF000009U); |
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210 QCOMPARE(i.pixel(0,0), 0xFF000005U); |
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211 } |
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212 QCOMPARE(i1.pixel(0,0), 0xFF000009U); |
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213 |
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214 // When the data is non-const, nothing you do to copies of the image will change the source data, |
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215 // but changing the image (here via bits()) will change the source data. |
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216 QImage i2((uchar*)data, 2, 2, 8, QImage::Format_RGB32); |
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217 QCOMPARE(i2.pixel(0,0), 0xFF010101U); |
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218 QCOMPARE(i2.pixel(1,0), 0xFF020202U); |
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219 QCOMPARE(i2.pixel(0,1), 0xFF030303U); |
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220 QCOMPARE(i2.pixel(1,1), 0xFF040404U); |
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221 { |
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222 QImage i(i2); |
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223 i.setPixel(0,0,5); |
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224 } |
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225 QCOMPARE(i2.pixel(0,0), 0xFF010101U); |
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226 QCOMPARE(*(QRgb*)data, 0xFF010101U); |
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227 *((QRgb*)i2.bits()) = 7U; |
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228 QCOMPARE(i2.pixel(0,0), 7U); |
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229 QCOMPARE(*(QRgb*)data, 7U); |
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230 |
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231 // Changing the data will change the image in either case. |
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232 QImage i3((uchar*)data, 2, 2, 8, QImage::Format_RGB32); |
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233 QImage i4((const uchar*)data, 2, 2, 8, QImage::Format_RGB32); |
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234 *(QRgb*)data = 6U; |
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235 QCOMPARE(i3.pixel(0,0), 6U); |
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236 QCOMPARE(i4.pixel(0,0), 6U); |
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237 } |
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238 |
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239 void tst_QImage::convertBitOrder() |
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240 { |
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241 #if !defined(QT3_SUPPORT) |
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242 QSKIP("Qt compiled without Qt3Support", SkipAll); |
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243 #else |
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244 QImage i(9,5,1,2,QImage::LittleEndian); |
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245 qMemSet(i.bits(), 0, i.numBytes()); |
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246 |
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247 i.setDotsPerMeterX(9); |
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248 i.setDotsPerMeterY(5); |
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249 i.fill(0x12345678); |
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250 QVERIFY(!i.isNull()); |
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251 |
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252 QImage ni = i.convertBitOrder(QImage::BigEndian); |
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253 QVERIFY(!ni.isNull()); |
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254 QVERIFY(ni.bitOrder() == QImage::BigEndian); |
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255 |
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256 // A bunch of verifies to make sure that nothing was lost |
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257 QVERIFY(i.dotsPerMeterX() == ni.dotsPerMeterX()); |
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258 QVERIFY(i.dotsPerMeterY() == ni.dotsPerMeterY()); |
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259 QVERIFY(i.depth() == ni.depth()); |
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260 QVERIFY(i.size() == ni.size()); |
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261 QVERIFY(i.numColors() == ni.numColors()); |
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262 #endif |
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263 } |
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264 |
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265 void tst_QImage::formatHandlersInput_data() |
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266 { |
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267 QTest::addColumn<QString>("testFormat"); |
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268 QTest::addColumn<QString>("testFile"); |
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269 #ifdef Q_OS_SYMBIAN |
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270 const QString prefix = QLatin1String(SRCDIR) + "images/"; |
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271 #else |
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272 const QString prefix = QLatin1String(SRCDIR) + "/images/"; |
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273 #endif |
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274 |
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275 // add a new line here when a file is added |
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276 QTest::newRow("ICO") << "ICO" << prefix + "image.ico"; |
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277 QTest::newRow("PNG") << "PNG" << prefix + "image.png"; |
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278 QTest::newRow("GIF") << "GIF" << prefix + "image.gif"; |
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279 QTest::newRow("BMP") << "BMP" << prefix + "image.bmp"; |
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280 QTest::newRow("JPEG") << "JPEG" << prefix + "image.jpg"; |
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281 QTest::newRow("PBM") << "PBM" << prefix + "image.pbm"; |
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282 QTest::newRow("PGM") << "PGM" << prefix + "image.pgm"; |
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283 QTest::newRow("PPM") << "PPM" << prefix + "image.ppm"; |
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284 QTest::newRow("XBM") << "XBM" << prefix + "image.xbm"; |
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285 QTest::newRow("XPM") << "XPM" << prefix + "image.xpm"; |
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286 #if defined QTEST_HAVE_TIFF |
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287 QTest::newRow("TIFF") << "TIFF" << prefix + "image.tif"; |
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288 #endif |
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289 } |
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290 |
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291 void tst_QImage::formatHandlersInput() |
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292 { |
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293 QFETCH(QString, testFormat); |
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294 QFETCH(QString, testFile); |
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295 QList<QByteArray> formats = QImageReader::supportedImageFormats(); |
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296 // qDebug("Image input formats : %s", formats.join(" | ").latin1()); |
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297 |
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298 bool formatSupported = false; |
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299 for (QList<QByteArray>::Iterator it = formats.begin(); it != formats.end(); ++it) { |
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300 if (*it == testFormat.toLower()) { |
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301 formatSupported = true; |
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302 break; |
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303 } |
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304 } |
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305 if (formatSupported) { |
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306 // qDebug(QImage::imageFormat(testFile)); |
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307 QCOMPARE(testFormat.toLatin1().toLower(), QImageReader::imageFormat(testFile)); |
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308 } else { |
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309 QString msg = "Format not supported : "; |
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310 QSKIP(QString(msg + testFormat).toLatin1(), SkipSingle); |
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311 } |
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312 } |
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313 |
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314 void tst_QImage::setAlphaChannel_data() |
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315 { |
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316 QTest::addColumn<int>("red"); |
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317 QTest::addColumn<int>("green"); |
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318 QTest::addColumn<int>("blue"); |
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319 QTest::addColumn<int>("alpha"); |
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320 QTest::addColumn<bool>("gray"); |
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321 |
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322 QTest::newRow("red at 0%, gray") << 255 << 0 << 0 << 0 << true; |
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323 QTest::newRow("red at 25%, gray") << 255 << 0 << 0 << 63 << true; |
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324 QTest::newRow("red at 50%, gray") << 255 << 0 << 0 << 127 << true; |
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325 QTest::newRow("red at 100%, gray") << 255 << 0 << 0 << 191 << true; |
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326 QTest::newRow("red at 0%, 32bit") << 255 << 0 << 0 << 0 << false; |
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327 QTest::newRow("red at 25%, 32bit") << 255 << 0 << 0 << 63 << false; |
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328 QTest::newRow("red at 50%, 32bit") << 255 << 0 << 0 << 127 << false; |
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329 QTest::newRow("red at 100%, 32bit") << 255 << 0 << 0 << 191 << false; |
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330 |
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331 QTest::newRow("green at 0%, gray") << 0 << 255 << 0 << 0 << true; |
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332 QTest::newRow("green at 25%, gray") << 0 << 255 << 0 << 63 << true; |
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333 QTest::newRow("green at 50%, gray") << 0 << 255 << 0 << 127 << true; |
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334 QTest::newRow("green at 100%, gray") << 0 << 255 << 0 << 191 << true; |
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335 QTest::newRow("green at 0%, 32bit") << 0 << 255 << 0 << 0 << false; |
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336 QTest::newRow("green at 25%, 32bit") << 0 << 255 << 0 << 63 << false; |
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337 QTest::newRow("green at 50%, 32bit") << 0 << 255 << 0 << 127 << false; |
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338 QTest::newRow("green at 100%, 32bit") << 0 << 255 << 0 << 191 << false; |
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339 |
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340 QTest::newRow("blue at 0%, gray") << 0 << 0 << 255 << 0 << true; |
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341 QTest::newRow("blue at 25%, gray") << 0 << 0 << 255 << 63 << true; |
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342 QTest::newRow("blue at 50%, gray") << 0 << 0 << 255 << 127 << true; |
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343 QTest::newRow("blue at 100%, gray") << 0 << 0 << 255 << 191 << true; |
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344 QTest::newRow("blue at 0%, 32bit") << 0 << 0 << 255 << 0 << false; |
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345 QTest::newRow("blue at 25%, 32bit") << 0 << 0 << 255 << 63 << false; |
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346 QTest::newRow("blue at 50%, 32bit") << 0 << 0 << 255 << 127 << false; |
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347 QTest::newRow("blue at 100%, 32bit") << 0 << 0 << 255 << 191 << false; |
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348 } |
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349 |
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350 void tst_QImage::setAlphaChannel() |
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351 { |
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352 QFETCH(int, red); |
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353 QFETCH(int, green); |
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354 QFETCH(int, blue); |
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355 QFETCH(int, alpha); |
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356 QFETCH(bool, gray); |
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357 |
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358 int width = 100; |
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359 int height = 100; |
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360 |
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361 QImage image(width, height, QImage::Format_RGB32); |
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362 image.fill(qRgb(red, green, blue)); |
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363 |
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364 // Create the alpha channel |
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365 QImage alphaChannel; |
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366 if (gray) { |
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367 alphaChannel = QImage(width, height, QImage::Format_Indexed8); |
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368 alphaChannel.setNumColors(256); |
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369 for (int i=0; i<256; ++i) |
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370 alphaChannel.setColor(i, qRgb(i, i, i)); |
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371 alphaChannel.fill(alpha); |
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372 } else { |
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373 alphaChannel = QImage(width, height, QImage::Format_ARGB32); |
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374 alphaChannel.fill(qRgb(alpha, alpha, alpha)); |
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375 } |
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376 |
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377 image.setAlphaChannel(alphaChannel); |
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378 image = image.convertToFormat(QImage::Format_ARGB32); |
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379 QVERIFY(image.format() == QImage::Format_ARGB32); |
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380 |
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381 // alpha of 0 becomes black at a=0 due to premultiplication |
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382 QRgb pixel = alpha == 0 ? 0 : qRgba(red, green, blue, alpha); |
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383 bool allPixelsOK = true; |
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384 for (int y=0; y<height; ++y) { |
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385 for (int x=0; x<width; ++x) { |
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386 allPixelsOK &= image.pixel(x, y) == pixel; |
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387 } |
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388 } |
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389 QVERIFY(allPixelsOK); |
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390 |
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391 QImage outAlpha = image.alphaChannel(); |
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392 QCOMPARE(outAlpha.size(), image.size()); |
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393 |
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394 bool allAlphaOk = true; |
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395 for (int y=0; y<height; ++y) { |
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396 for (int x=0; x<width; ++x) { |
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397 allAlphaOk &= outAlpha.pixelIndex(x, y) == alpha; |
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398 } |
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399 } |
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400 QVERIFY(allAlphaOk); |
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401 |
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402 } |
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403 |
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404 void tst_QImage::alphaChannel() |
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405 { |
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406 QImage img(10, 10, QImage::Format_Mono); |
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407 img.setColor(0, Qt::transparent); |
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408 img.setColor(1, Qt::black); |
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409 img.fill(0); |
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410 |
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411 QPainter p(&img); |
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412 p.fillRect(2, 2, 6, 6, Qt::black); |
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413 p.end(); |
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414 |
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415 QCOMPARE(img.alphaChannel(), img.convertToFormat(QImage::Format_ARGB32).alphaChannel()); |
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416 } |
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417 |
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418 void tst_QImage::convertToFormat_data() |
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419 { |
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420 QTest::addColumn<int>("inFormat"); |
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421 QTest::addColumn<uint>("inPixel"); |
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422 QTest::addColumn<int>("resFormat"); |
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423 QTest::addColumn<uint>("resPixel"); |
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424 |
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425 QTest::newRow("red rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xffff0000 |
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426 << int(QImage::Format_ARGB32) << 0xffff0000; |
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427 QTest::newRow("green rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xff00ff00 |
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428 << int(QImage::Format_ARGB32) << 0xff00ff00; |
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429 QTest::newRow("blue rgb32 -> argb32") << int(QImage::Format_RGB32) << 0xff0000ff |
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430 << int(QImage::Format_ARGB32) << 0xff0000ff; |
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431 |
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432 QTest::newRow("red rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xffff0000 |
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433 << int(QImage::Format_RGB16) << 0xffff0000; |
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434 QTest::newRow("green rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xff00ff00 |
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435 << int(QImage::Format_RGB16) << 0xff00ff00; |
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436 QTest::newRow("blue rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xff0000ff |
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437 << int(QImage::Format_RGB16) << 0xff0000ff; |
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438 QTest::newRow("funky rgb32 -> rgb16") << int(QImage::Format_RGB32) << 0xfff0c080 |
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439 << int(QImage::Format_RGB16) << 0xfff7c384; |
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440 |
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441 QTest::newRow("red rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xffff0000 |
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442 << int(QImage::Format_ARGB32_Premultiplied) << 0xffff0000; |
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443 QTest::newRow("green rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xff00ff00 |
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444 << int(QImage::Format_ARGB32_Premultiplied) <<0xff00ff00; |
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445 QTest::newRow("blue rgb32 -> argb32_pm") << int(QImage::Format_RGB32) << 0xff0000ff |
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446 << int(QImage::Format_ARGB32_Premultiplied) << 0xff0000ff; |
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447 |
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448 QTest::newRow("semired argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7fff0000u |
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449 << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u; |
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450 QTest::newRow("semigreen argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
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451 << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u; |
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452 QTest::newRow("semiblue argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
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453 << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu; |
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454 QTest::newRow("semiwhite argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7fffffffu |
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455 << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu; |
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456 QTest::newRow("semiblack argb32 -> pm") << int(QImage::Format_ARGB32) << 0x7f000000u |
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457 << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u; |
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458 |
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459 QTest::newRow("semired pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
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460 << int(QImage::Format_ARGB32) << 0x7fff0000u; |
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461 QTest::newRow("semigreen pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
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462 << int(QImage::Format_ARGB32) << 0x7f00ff00u; |
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463 QTest::newRow("semiblue pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
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464 << int(QImage::Format_ARGB32) << 0x7f0000ffu; |
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465 QTest::newRow("semiwhite pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
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466 << int(QImage::Format_ARGB32) << 0x7fffffffu; |
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467 QTest::newRow("semiblack pm -> argb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
468 << int(QImage::Format_ARGB32) << 0x7f000000u; |
|
469 |
|
470 QTest::newRow("semired pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
471 << int(QImage::Format_RGB32) << 0xffff0000u; |
|
472 QTest::newRow("semigreen pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
473 << int(QImage::Format_RGB32) << 0xff00ff00u; |
|
474 QTest::newRow("semiblue pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
475 << int(QImage::Format_RGB32) << 0xff0000ffu; |
|
476 QTest::newRow("semiwhite pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
477 << int(QImage::Format_RGB32) << 0xffffffffu; |
|
478 QTest::newRow("semiblack pm -> rgb32") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
479 << int(QImage::Format_RGB32) << 0xff000000u; |
|
480 |
|
481 QTest::newRow("semired argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
482 << int(QImage::Format_RGB32) << 0xffff0000u; |
|
483 QTest::newRow("semigreen argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
484 << int(QImage::Format_RGB32) << 0xff00ff00u; |
|
485 QTest::newRow("semiblue argb32 -> rgb32") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
486 << int(QImage::Format_RGB32) << 0xff0000ffu; |
|
487 QTest::newRow("semiwhite argb -> rgb32") << int(QImage::Format_ARGB32) << 0x7fffffffu |
|
488 << int(QImage::Format_RGB32) << 0xffffffffu; |
|
489 QTest::newRow("semiblack argb -> rgb32") << int(QImage::Format_ARGB32) << 0x7f000000u |
|
490 << int(QImage::Format_RGB32) << 0xff000000u; |
|
491 |
|
492 QTest::newRow("black mono -> rgb32") << int(QImage::Format_Mono) << 0x00000000u |
|
493 << int(QImage::Format_RGB32) << 0xff000000u; |
|
494 |
|
495 QTest::newRow("white mono -> rgb32") << int(QImage::Format_Mono) << 0x00000001u |
|
496 << int(QImage::Format_RGB32) << 0xffffffffu; |
|
497 QTest::newRow("red rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xffff0000 |
|
498 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
499 QTest::newRow("green rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
500 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
501 QTest::newRow("blue rgb16 -> argb32") << int(QImage::Format_RGB16) << 0xff0000ff |
|
502 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
503 QTest::newRow("red rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xffff0000 |
|
504 << int(QImage::Format_RGB16) << 0xffff0000; |
|
505 QTest::newRow("green rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
506 << int(QImage::Format_RGB16) << 0xff00ff00; |
|
507 QTest::newRow("blue rgb16 -> rgb16") << int(QImage::Format_RGB32) << 0xff0000ff |
|
508 << int(QImage::Format_RGB16) << 0xff0000ff; |
|
509 QTest::newRow("semired argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
510 << int(QImage::Format_RGB16) << 0xffff0000; |
|
511 QTest::newRow("semigreen argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
512 << int(QImage::Format_RGB16) << 0xff00ff00; |
|
513 QTest::newRow("semiblue argb32 -> rgb16") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
514 << int(QImage::Format_RGB16) << 0xff0000ff; |
|
515 QTest::newRow("semired pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
516 << int(QImage::Format_RGB16) << 0xffff0000u; |
|
517 |
|
518 QTest::newRow("semigreen pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
519 << int(QImage::Format_RGB16) << 0xff00ff00u; |
|
520 QTest::newRow("semiblue pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
521 << int(QImage::Format_RGB16) << 0xff0000ffu; |
|
522 QTest::newRow("semiwhite pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
523 << int(QImage::Format_RGB16) << 0xffffffffu; |
|
524 QTest::newRow("semiblack pm -> rgb16") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
525 << int(QImage::Format_RGB16) << 0xff000000u; |
|
526 |
|
527 QTest::newRow("mono -> mono lsb") << int(QImage::Format_Mono) << 1u |
|
528 << int(QImage::Format_MonoLSB) << 0xffffffffu; |
|
529 QTest::newRow("mono lsb -> mono") << int(QImage::Format_MonoLSB) << 1u |
|
530 << int(QImage::Format_Mono) << 0xffffffffu; |
|
531 |
|
532 QTest::newRow("red rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xffff0000 |
|
533 << int(QImage::Format_RGB666) << 0xffff0000; |
|
534 QTest::newRow("green rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
535 << int(QImage::Format_RGB666) << 0xff00ff00; |
|
536 QTest::newRow("blue rgb32 -> rgb666") << int(QImage::Format_RGB32) << 0xff0000ff |
|
537 << int(QImage::Format_RGB666) << 0xff0000ff; |
|
538 |
|
539 QTest::newRow("red rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xffff0000 |
|
540 << int(QImage::Format_RGB666) << 0xffff0000; |
|
541 QTest::newRow("green rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
542 << int(QImage::Format_RGB666) << 0xff00ff00; |
|
543 QTest::newRow("blue rgb16 -> rgb666") << int(QImage::Format_RGB16) << 0xff0000ff |
|
544 << int(QImage::Format_RGB666) << 0xff0000ff; |
|
545 |
|
546 QTest::newRow("red rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xffff0000 |
|
547 << int(QImage::Format_RGB555) << 0xffff0000; |
|
548 QTest::newRow("green rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
549 << int(QImage::Format_RGB555) << 0xff00ff00; |
|
550 QTest::newRow("blue rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xff0000ff |
|
551 << int(QImage::Format_RGB555) << 0xff0000ff; |
|
552 QTest::newRow("funky rgb32 -> rgb15") << int(QImage::Format_RGB32) << 0xfff0c080 |
|
553 << int(QImage::Format_RGB555) << 0xfff7c684; |
|
554 |
|
555 QTest::newRow("red rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xffff0000 |
|
556 << int(QImage::Format_RGB555) << 0xffff0000; |
|
557 QTest::newRow("green rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
558 << int(QImage::Format_RGB555) << 0xff00ff00; |
|
559 QTest::newRow("blue rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xff0000ff |
|
560 << int(QImage::Format_RGB555) << 0xff0000ff; |
|
561 QTest::newRow("funky rgb16 -> rgb15") << int(QImage::Format_RGB16) << 0xfff0c080 |
|
562 << int(QImage::Format_RGB555) << 0xfff7c684; |
|
563 |
|
564 QTest::newRow("red rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xffff0000 |
|
565 << int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000; |
|
566 QTest::newRow("green rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
567 << int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00; |
|
568 QTest::newRow("blue rgb32 -> argb8565") << int(QImage::Format_RGB32) << 0xff0000ff |
|
569 << int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff; |
|
570 |
|
571 QTest::newRow("red rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xffff0000 |
|
572 << int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000; |
|
573 QTest::newRow("green rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
574 << int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00; |
|
575 QTest::newRow("blue rgb16 -> argb8565") << int(QImage::Format_RGB16) << 0xff0000ff |
|
576 << int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff; |
|
577 |
|
578 QTest::newRow("red argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xffff0000 |
|
579 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
580 QTest::newRow("green argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xff00ff00 |
|
581 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
582 QTest::newRow("blue argb8565 -> argb32") << int(QImage::Format_ARGB8565_Premultiplied) << 0xff0000ff |
|
583 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
584 |
|
585 QTest::newRow("semired argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
586 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b0000u; |
|
587 QTest::newRow("semigreen argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
588 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f007d00u; |
|
589 QTest::newRow("semiblue argb32 -> argb8565") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
590 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f00007bu; |
|
591 |
|
592 QTest::newRow("semired pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
593 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b0000u; |
|
594 QTest::newRow("semigreen pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
595 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f007d00u; |
|
596 QTest::newRow("semiblue pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
597 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f00007bu; |
|
598 QTest::newRow("semiwhite pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
599 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f7b7d7bu; |
|
600 QTest::newRow("semiblack pm -> argb8565") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
601 << int(QImage::Format_ARGB8565_Premultiplied) << 0x7f000000u; |
|
602 |
|
603 QTest::newRow("red rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xffff0000 |
|
604 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
605 QTest::newRow("green rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xff00ff00 |
|
606 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
607 QTest::newRow("blue rgb666 -> argb32") << int(QImage::Format_RGB666) << 0xff0000ff |
|
608 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
609 |
|
610 QTest::newRow("semired argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
611 << int(QImage::Format_RGB666) << 0xffff0000; |
|
612 QTest::newRow("semigreen argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
613 << int(QImage::Format_RGB666) << 0xff00ff00; |
|
614 QTest::newRow("semiblue argb32 -> rgb666") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
615 << int(QImage::Format_RGB666) << 0xff0000ff; |
|
616 |
|
617 QTest::newRow("semired pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
618 << int(QImage::Format_RGB666) << 0xffff0000u; |
|
619 QTest::newRow("semigreen pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
620 << int(QImage::Format_RGB666) << 0xff00ff00u; |
|
621 QTest::newRow("semiblue pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
622 << int(QImage::Format_RGB666) << 0xff0000ffu; |
|
623 QTest::newRow("semiwhite pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
624 << int(QImage::Format_RGB666) << 0xffffffffu; |
|
625 QTest::newRow("semiblack pm -> rgb666") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
626 << int(QImage::Format_RGB666) << 0xff000000u; |
|
627 |
|
628 QTest::newRow("red rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xffff0000 |
|
629 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
630 QTest::newRow("green rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xff00ff00 |
|
631 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
632 QTest::newRow("blue rgb15 -> argb32") << int(QImage::Format_RGB555) << 0xff0000ff |
|
633 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
634 |
|
635 QTest::newRow("semired argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
636 << int(QImage::Format_RGB555) << 0xffff0000; |
|
637 QTest::newRow("semigreen argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
638 << int(QImage::Format_RGB555) << 0xff00ff00; |
|
639 QTest::newRow("semiblue argb32 -> rgb15") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
640 << int(QImage::Format_RGB555) << 0xff0000ff; |
|
641 |
|
642 QTest::newRow("semired pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
643 << int(QImage::Format_RGB555) << 0xffff0000u; |
|
644 QTest::newRow("semigreen pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
645 << int(QImage::Format_RGB555) << 0xff00ff00u; |
|
646 QTest::newRow("semiblue pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
647 << int(QImage::Format_RGB555) << 0xff0000ffu; |
|
648 QTest::newRow("semiwhite pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
649 << int(QImage::Format_RGB555) << 0xffffffffu; |
|
650 QTest::newRow("semiblack pm -> rgb15") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
651 << int(QImage::Format_RGB555) << 0xff000000u; |
|
652 |
|
653 |
|
654 QTest::newRow("red rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xffff0000 |
|
655 << int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000; |
|
656 QTest::newRow("green rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
657 << int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00; |
|
658 QTest::newRow("blue rgb32 -> argb8555") << int(QImage::Format_RGB32) << 0xff0000ff |
|
659 << int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff; |
|
660 |
|
661 QTest::newRow("red rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xffff0000 |
|
662 << int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000; |
|
663 QTest::newRow("green rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
664 << int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00; |
|
665 QTest::newRow("blue rgb16 -> argb8555") << int(QImage::Format_RGB16) << 0xff0000ff |
|
666 << int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff; |
|
667 |
|
668 QTest::newRow("red argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xffff0000 |
|
669 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
670 QTest::newRow("green argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xff00ff00 |
|
671 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
672 QTest::newRow("blue argb8555 -> argb32") << int(QImage::Format_ARGB8555_Premultiplied) << 0xff0000ff |
|
673 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
674 |
|
675 QTest::newRow("semired argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
676 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b0000u; |
|
677 QTest::newRow("semigreen argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
678 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f007b00u; |
|
679 QTest::newRow("semiblue argb32 -> argb8555") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
680 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f00007bu; |
|
681 |
|
682 QTest::newRow("semired pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
683 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b0000u; |
|
684 QTest::newRow("semigreen pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
685 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f007b00u; |
|
686 QTest::newRow("semiblue pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
687 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f00007bu; |
|
688 QTest::newRow("semiwhite pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
689 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f7b7b7bu; |
|
690 QTest::newRow("semiblack pm -> argb8555") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
691 << int(QImage::Format_ARGB8555_Premultiplied) << 0x7f000000u; |
|
692 |
|
693 QTest::newRow("red rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xffff0000 |
|
694 << int(QImage::Format_RGB888) << 0xffff0000; |
|
695 QTest::newRow("green rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xff00ff00 |
|
696 << int(QImage::Format_RGB888) << 0xff00ff00; |
|
697 QTest::newRow("blue rgb32 -> rgb888") << int(QImage::Format_RGB32) << 0xff0000ff |
|
698 << int(QImage::Format_RGB888) << 0xff0000ff; |
|
699 |
|
700 QTest::newRow("red rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xffff0000 |
|
701 << int(QImage::Format_RGB888) << 0xffff0000; |
|
702 QTest::newRow("green rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xff00ff00 |
|
703 << int(QImage::Format_RGB888) << 0xff00ff00; |
|
704 QTest::newRow("blue rgb16 -> rgb888") << int(QImage::Format_RGB16) << 0xff0000ff |
|
705 << int(QImage::Format_RGB888) << 0xff0000ff; |
|
706 |
|
707 QTest::newRow("red rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xffff0000 |
|
708 << int(QImage::Format_ARGB32) << 0xffff0000; |
|
709 QTest::newRow("green rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xff00ff00 |
|
710 << int(QImage::Format_ARGB32) << 0xff00ff00; |
|
711 QTest::newRow("blue rgb888 -> argb32") << int(QImage::Format_RGB888) << 0xff0000ff |
|
712 << int(QImage::Format_ARGB32) << 0xff0000ff; |
|
713 |
|
714 QTest::newRow("semired argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7fff0000u |
|
715 << int(QImage::Format_RGB888) << 0xffff0000; |
|
716 QTest::newRow("semigreen argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7f00ff00u |
|
717 << int(QImage::Format_RGB888) << 0xff00ff00; |
|
718 QTest::newRow("semiblue argb32 -> rgb888") << int(QImage::Format_ARGB32) << 0x7f0000ffu |
|
719 << int(QImage::Format_RGB888) << 0xff0000ff; |
|
720 |
|
721 QTest::newRow("semired pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f0000u |
|
722 << int(QImage::Format_RGB888) << 0xffff0000u; |
|
723 QTest::newRow("semigreen pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f007f00u |
|
724 << int(QImage::Format_RGB888) << 0xff00ff00u; |
|
725 QTest::newRow("semiblue pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f00007fu |
|
726 << int(QImage::Format_RGB888) << 0xff0000ffu; |
|
727 QTest::newRow("semiwhite pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f7f7f7fu |
|
728 << int(QImage::Format_RGB888) << 0xffffffffu; |
|
729 QTest::newRow("semiblack pm -> rgb888") << int(QImage::Format_ARGB32_Premultiplied) << 0x7f000000u |
|
730 << int(QImage::Format_RGB888) << 0xff000000u; |
|
731 } |
|
732 |
|
733 |
|
734 void tst_QImage::convertToFormat() |
|
735 { |
|
736 QFETCH(int, inFormat); |
|
737 QFETCH(uint, inPixel); |
|
738 QFETCH(int, resFormat); |
|
739 QFETCH(uint, resPixel); |
|
740 |
|
741 QImage src(32, 32, QImage::Format(inFormat)); |
|
742 |
|
743 if (inFormat == QImage::Format_Mono) { |
|
744 src.setColor(0, qRgba(0,0,0,0xff)); |
|
745 src.setColor(1, qRgba(255,255,255,0xff)); |
|
746 } |
|
747 |
|
748 for (int y=0; y<src.height(); ++y) |
|
749 for (int x=0; x<src.width(); ++x) |
|
750 src.setPixel(x, y, inPixel); |
|
751 |
|
752 QImage result = src.convertToFormat(QImage::Format(resFormat)); |
|
753 |
|
754 QCOMPARE(src.width(), result.width()); |
|
755 QCOMPARE(src.height(), result.height()); |
|
756 |
|
757 bool same = true; |
|
758 for (int y=0; y<result.height(); ++y) { |
|
759 for (int x=0; x<result.width(); ++x) { |
|
760 QRgb pixel = result.pixel(x, y); |
|
761 same &= (pixel == resPixel); |
|
762 if (!same) { |
|
763 printf("expect=%08x, result=%08x\n", resPixel, pixel); |
|
764 y = 100000; |
|
765 break; |
|
766 } |
|
767 |
|
768 } |
|
769 } |
|
770 QVERIFY(same); |
|
771 |
|
772 // repeat tests converting from an image with nonstandard stride |
|
773 |
|
774 int dp = (src.depth() < 8 || result.depth() < 8) ? 8 : 1; |
|
775 QImage src2(src.bits() + (dp*src.depth())/8, |
|
776 src.width() - dp*2, |
|
777 src.height(), src.bytesPerLine(), |
|
778 src.format()); |
|
779 if (src.depth() < 8) |
|
780 src2.setColorTable(src.colorTable()); |
|
781 |
|
782 const QImage result2 = src2.convertToFormat(QImage::Format(resFormat)); |
|
783 |
|
784 QCOMPARE(src2.width(), result2.width()); |
|
785 QCOMPARE(src2.height(), result2.height()); |
|
786 |
|
787 QImage expected2(result.bits() + (dp*result.depth())/8, |
|
788 result.width() - dp*2, |
|
789 result.height(), result.bytesPerLine(), |
|
790 result.format()); |
|
791 if (result.depth() < 8) |
|
792 expected2.setColorTable(result.colorTable()); |
|
793 |
|
794 result2.save("result2.xpm", "XPM"); |
|
795 expected2.save("expected2.xpm", "XPM"); |
|
796 |
|
797 QCOMPARE(result2, expected2); |
|
798 QFile::remove(QLatin1String("result2.xpm")); |
|
799 QFile::remove(QLatin1String("expected2.xpm")); |
|
800 } |
|
801 |
|
802 void tst_QImage::createAlphaMask_data() |
|
803 { |
|
804 QTest::addColumn<int>("x"); |
|
805 QTest::addColumn<int>("y"); |
|
806 QTest::addColumn<int>("alpha1"); |
|
807 QTest::addColumn<int>("alpha2"); |
|
808 |
|
809 int alphas[] = { 0, 127, 255 }; |
|
810 |
|
811 for (unsigned a1 = 0; a1 < sizeof(alphas) / sizeof(int); ++a1) { |
|
812 for (unsigned a2 = 0; a2 < sizeof(alphas) / sizeof(int); ++a2) { |
|
813 if (a1 == a2) |
|
814 continue; |
|
815 for (int x=10; x<18; x+=3) { |
|
816 for (int y=100; y<108; y+=3) { |
|
817 QTest::newRow(qPrintable(QString::fromLatin1("x=%1, y=%2, a1=%3, a2=%4").arg(x).arg(y).arg(alphas[a1]).arg(alphas[a2]))) |
|
818 << x << y << alphas[a1] << alphas[a2]; |
|
819 } |
|
820 } |
|
821 } |
|
822 } |
|
823 } |
|
824 |
|
825 void tst_QImage::createAlphaMask() |
|
826 { |
|
827 QFETCH(int, x); |
|
828 QFETCH(int, y); |
|
829 QFETCH(int, alpha1); |
|
830 QFETCH(int, alpha2); |
|
831 |
|
832 QSize size(255, 255); |
|
833 int pixelsInLines = size.width() + size.height() - 1; |
|
834 int pixelsOutofLines = size.width() * size.height() - pixelsInLines; |
|
835 |
|
836 // Generate an white image with two lines, horizontal at y and vertical at x. |
|
837 // Lines have alpha of alpha2, rest has alpha of alpha1 |
|
838 QImage image(size, QImage::Format_ARGB32); |
|
839 for (int cy=0; cy<image.height(); ++cy) { |
|
840 for (int cx=0; cx<image.width(); ++cx) { |
|
841 int alpha = (y == cy || x == cx) ? alpha2 : alpha1; |
|
842 image.setPixel(cx, cy, qRgba(255, 255, 255, alpha)); |
|
843 } |
|
844 } |
|
845 |
|
846 QImage mask = image.createAlphaMask(Qt::OrderedAlphaDither); |
|
847 |
|
848 // Sanity check... |
|
849 QCOMPARE(mask.width(), image.width()); |
|
850 QCOMPARE(mask.height(), image.height()); |
|
851 |
|
852 // Sum up the number of pixels set for both lines and other area |
|
853 int sumAlpha1 = 0; |
|
854 int sumAlpha2 = 0; |
|
855 for (int cy=0; cy<image.height(); ++cy) { |
|
856 for (int cx=0; cx<image.width(); ++cx) { |
|
857 int *alpha = (y == cy || x == cx) ? &sumAlpha2 : &sumAlpha1; |
|
858 *alpha += mask.pixelIndex(cx, cy); |
|
859 } |
|
860 } |
|
861 |
|
862 // Compare the set bits to whats expected for that alpha. |
|
863 const int threshold = 5; |
|
864 QVERIFY(qAbs(sumAlpha1 * 255 / pixelsOutofLines - alpha1) < threshold); |
|
865 QVERIFY(qAbs(sumAlpha2 * 255 / pixelsInLines - alpha2) < threshold); |
|
866 } |
|
867 |
|
868 void tst_QImage::dotsPerMeterZero() |
|
869 { |
|
870 QImage img(100, 100, QImage::Format_RGB32); |
|
871 QVERIFY(!img.isNull()); |
|
872 |
|
873 int defaultDpmX = img.dotsPerMeterX(); |
|
874 int defaultDpmY = img.dotsPerMeterY(); |
|
875 QVERIFY(defaultDpmX != 0); |
|
876 QVERIFY(defaultDpmY != 0); |
|
877 |
|
878 img.setDotsPerMeterX(0); |
|
879 img.setDotsPerMeterY(0); |
|
880 |
|
881 QCOMPARE(img.dotsPerMeterX(), defaultDpmX); |
|
882 QCOMPARE(img.dotsPerMeterY(), defaultDpmY); |
|
883 } |
|
884 |
|
885 void tst_QImage::rotate_data() |
|
886 { |
|
887 QTest::addColumn<QImage::Format>("format"); |
|
888 QTest::addColumn<int>("degrees"); |
|
889 |
|
890 QVector<int> degrees; |
|
891 degrees << 0 << 90 << 180 << 270; |
|
892 |
|
893 foreach (int d, degrees) { |
|
894 QString title = QString("%1 %2").arg(d); |
|
895 QTest::newRow(qPrintable(title.arg("Format_RGB32"))) |
|
896 << QImage::Format_RGB32 << d; |
|
897 QTest::newRow(qPrintable(title.arg("Format_ARGB32"))) |
|
898 << QImage::Format_ARGB32 << d; |
|
899 QTest::newRow(qPrintable(title.arg("Format_ARGB32_Premultiplied"))) |
|
900 << QImage::Format_ARGB32_Premultiplied << d; |
|
901 QTest::newRow(qPrintable(title.arg("Format_RGB16"))) |
|
902 << QImage::Format_RGB16 << d; |
|
903 QTest::newRow(qPrintable(title.arg("Format_ARGB8565_Premultiplied"))) |
|
904 << QImage::Format_ARGB8565_Premultiplied << d; |
|
905 QTest::newRow(qPrintable(title.arg("Format_RGB666"))) |
|
906 << QImage::Format_RGB666 << d; |
|
907 QTest::newRow(qPrintable(title.arg("Format_RGB555"))) |
|
908 << QImage::Format_RGB555 << d; |
|
909 QTest::newRow(qPrintable(title.arg("Format_ARGB8555_Premultiplied"))) |
|
910 << QImage::Format_ARGB8555_Premultiplied << d; |
|
911 QTest::newRow(qPrintable(title.arg("Format_RGB888"))) |
|
912 << QImage::Format_RGB888 << d; |
|
913 QTest::newRow(qPrintable(title.arg("Format_Indexed8"))) |
|
914 << QImage::Format_Indexed8 << d; |
|
915 } |
|
916 } |
|
917 |
|
918 void tst_QImage::rotate() |
|
919 { |
|
920 QFETCH(QImage::Format, format); |
|
921 QFETCH(int, degrees); |
|
922 |
|
923 // test if rotate90 is lossless |
|
924 int w = 54; |
|
925 int h = 13; |
|
926 QImage original(w, h, format); |
|
927 original.fill(qRgb(255,255,255)); |
|
928 |
|
929 if (format == QImage::Format_Indexed8) { |
|
930 original.setNumColors(256); |
|
931 for (int i = 0; i < 255; ++i) |
|
932 original.setColor(i, qRgb(0, i, i)); |
|
933 } |
|
934 |
|
935 if (original.colorTable().isEmpty()) { |
|
936 for (int x = 0; x < w; ++x) { |
|
937 original.setPixel(x,0, qRgb(x,0,128)); |
|
938 original.setPixel(x,h - 1, qRgb(0,255 - x,128)); |
|
939 } |
|
940 for (int y = 0; y < h; ++y) { |
|
941 original.setPixel(0, y, qRgb(y,0,255)); |
|
942 original.setPixel(w - 1, y, qRgb(0,255 - y,255)); |
|
943 } |
|
944 } else { |
|
945 const int n = original.colorTable().size(); |
|
946 for (int x = 0; x < w; ++x) { |
|
947 original.setPixel(x, 0, x % n); |
|
948 original.setPixel(x,h - 1, n - (x % n)); |
|
949 } |
|
950 for (int y = 0; y < h; ++y) { |
|
951 original.setPixel(0, y, y % n); |
|
952 original.setPixel(w - 1, y, n - (y % n)); |
|
953 } |
|
954 } |
|
955 |
|
956 // original.save("rotated90_original.png", "png"); |
|
957 |
|
958 // Initialize the matrix manually (do not use rotate) to avoid rounding errors |
|
959 QMatrix matRotate90; |
|
960 matRotate90.rotate(degrees); |
|
961 QImage dest = original; |
|
962 // And rotate it 4 times, then the image should be identical to the original |
|
963 for (int i = 0; i < 4 ; ++i) { |
|
964 dest = dest.transformed(matRotate90); |
|
965 } |
|
966 |
|
967 // Make sure they are similar in format before we compare them. |
|
968 dest = dest.convertToFormat(format); |
|
969 |
|
970 // dest.save("rotated90_result.png","png"); |
|
971 QCOMPARE(original, dest); |
|
972 |
|
973 // Test with QMatrix::rotate 90 also, since we trust that now |
|
974 matRotate90.rotate(degrees); |
|
975 dest = original; |
|
976 // And rotate it 4 times, then the image should be identical to the original |
|
977 for (int i = 0; i < 4 ; ++i) { |
|
978 dest = dest.transformed(matRotate90); |
|
979 } |
|
980 |
|
981 // Make sure they are similar in format before we compare them. |
|
982 dest = dest.convertToFormat(format); |
|
983 |
|
984 QCOMPARE(original, dest); |
|
985 } |
|
986 |
|
987 void tst_QImage::copy() |
|
988 { |
|
989 // Task 99250 |
|
990 { |
|
991 QImage img(16,16,QImage::Format_ARGB32); |
|
992 img.copy(QRect(1000,1,1,1)); |
|
993 } |
|
994 } |
|
995 |
|
996 void tst_QImage::setPixel_data() |
|
997 { |
|
998 QTest::addColumn<int>("format"); |
|
999 QTest::addColumn<uint>("value"); |
|
1000 QTest::addColumn<uint>("expected"); |
|
1001 |
|
1002 QTest::newRow("ARGB32 red") << int(QImage::Format_ARGB32) |
|
1003 << 0xffff0000 << 0xffff0000; |
|
1004 QTest::newRow("ARGB32 green") << int(QImage::Format_ARGB32) |
|
1005 << 0xff00ff00 << 0xff00ff00; |
|
1006 QTest::newRow("ARGB32 blue") << int(QImage::Format_ARGB32) |
|
1007 << 0xff0000ff << 0xff0000ff; |
|
1008 QTest::newRow("RGB16 red") << int(QImage::Format_RGB16) |
|
1009 << 0xffff0000 << 0xf800u; |
|
1010 QTest::newRow("RGB16 green") << int(QImage::Format_RGB16) |
|
1011 << 0xff00ff00 << 0x07e0u; |
|
1012 QTest::newRow("RGB16 blue") << int(QImage::Format_RGB16) |
|
1013 << 0xff0000ff << 0x001fu; |
|
1014 QTest::newRow("ARGB8565_Premultiplied red") << int(QImage::Format_ARGB8565_Premultiplied) |
|
1015 << 0xffff0000 << 0xffff0000; |
|
1016 QTest::newRow("ARGB8565_Premultiplied green") << int(QImage::Format_ARGB8565_Premultiplied) |
|
1017 << 0xff00ff00 << 0xff00ff00; |
|
1018 QTest::newRow("ARGB8565_Premultiplied blue") << int(QImage::Format_ARGB8565_Premultiplied) |
|
1019 << 0xff0000ff << 0xff0000ff; |
|
1020 QTest::newRow("RGB666 red") << int(QImage::Format_RGB666) |
|
1021 << 0xffff0000 << 0xffff0000; |
|
1022 QTest::newRow("RGB666 green") << int(QImage::Format_RGB666) |
|
1023 << 0xff00ff00 << 0xff00ff00;; |
|
1024 QTest::newRow("RGB666 blue") << int(QImage::Format_RGB666) |
|
1025 << 0xff0000ff << 0xff0000ff; |
|
1026 QTest::newRow("RGB555 red") << int(QImage::Format_RGB555) |
|
1027 << 0xffff0000 << 0x7c00u; |
|
1028 QTest::newRow("RGB555 green") << int(QImage::Format_RGB555) |
|
1029 << 0xff00ff00 << 0x03e0u; |
|
1030 QTest::newRow("RGB555 blue") << int(QImage::Format_RGB555) |
|
1031 << 0xff0000ff << 0x001fu; |
|
1032 QTest::newRow("ARGB8555_Premultiplied red") << int(QImage::Format_ARGB8555_Premultiplied) |
|
1033 << 0xffff0000 << 0xffff0000; |
|
1034 QTest::newRow("ARGB8555_Premultiplied green") << int(QImage::Format_ARGB8555_Premultiplied) |
|
1035 << 0xff00ff00 << 0xff00ff00; |
|
1036 QTest::newRow("ARGB8555_Premultiplied blue") << int(QImage::Format_ARGB8555_Premultiplied) |
|
1037 << 0xff0000ff << 0xff0000ff; |
|
1038 QTest::newRow("RGB888 red") << int(QImage::Format_RGB888) |
|
1039 << 0xffff0000 << 0xffff0000; |
|
1040 QTest::newRow("RGB888 green") << int(QImage::Format_RGB888) |
|
1041 << 0xff00ff00 << 0xff00ff00; |
|
1042 QTest::newRow("RGB888 blue") << int(QImage::Format_RGB888) |
|
1043 << 0xff0000ff << 0xff0000ff; |
|
1044 } |
|
1045 |
|
1046 void tst_QImage::setPixel() |
|
1047 { |
|
1048 QFETCH(int, format); |
|
1049 QFETCH(uint, value); |
|
1050 QFETCH(uint, expected); |
|
1051 |
|
1052 const int w = 13; |
|
1053 const int h = 15; |
|
1054 |
|
1055 QImage img(w, h, QImage::Format(format)); |
|
1056 |
|
1057 // fill image |
|
1058 for (int y = 0; y < h; ++y) |
|
1059 for (int x = 0; x < w; ++x) |
|
1060 img.setPixel(x, y, value); |
|
1061 |
|
1062 // check pixel values |
|
1063 switch (format) { |
|
1064 case int(QImage::Format_RGB32): |
|
1065 case int(QImage::Format_ARGB32): |
|
1066 case int(QImage::Format_ARGB32_Premultiplied): |
|
1067 { |
|
1068 for (int y = 0; y < h; ++y) { |
|
1069 const quint32 *row = (const quint32*)(img.scanLine(y)); |
|
1070 for (int x = 0; x < w; ++x) { |
|
1071 quint32 result = row[x]; |
|
1072 if (result != expected) |
|
1073 printf("[x,y]: %d,%d, expected=%08x, result=%08x\n", |
|
1074 x, y, expected, result); |
|
1075 QCOMPARE(uint(result), expected); |
|
1076 } |
|
1077 } |
|
1078 break; |
|
1079 } |
|
1080 case int(QImage::Format_RGB555): |
|
1081 case int(QImage::Format_RGB16): |
|
1082 { |
|
1083 for (int y = 0; y < h; ++y) { |
|
1084 const quint16 *row = (const quint16*)(img.scanLine(y)); |
|
1085 for (int x = 0; x < w; ++x) { |
|
1086 quint16 result = row[x]; |
|
1087 if (result != expected) |
|
1088 printf("[x,y]: %d,%d, expected=%04x, result=%04x\n", |
|
1089 x, y, expected, result); |
|
1090 QCOMPARE(uint(result), expected); |
|
1091 } |
|
1092 } |
|
1093 break; |
|
1094 } |
|
1095 case int(QImage::Format_RGB666): |
|
1096 { |
|
1097 for (int y = 0; y < h; ++y) { |
|
1098 const qrgb666 *row = (const qrgb666*)(img.scanLine(y)); |
|
1099 for (int x = 0; x < w; ++x) { |
|
1100 quint32 result = row[x]; |
|
1101 if (result != expected) |
|
1102 printf("[x,y]: %d,%d, expected=%04x, result=%04x\n", |
|
1103 x, y, expected, result); |
|
1104 QCOMPARE(result, expected); |
|
1105 } |
|
1106 } |
|
1107 break; |
|
1108 } |
|
1109 case int(QImage::Format_ARGB8565_Premultiplied): |
|
1110 { |
|
1111 for (int y = 0; y < h; ++y) { |
|
1112 const qargb8565 *row = (const qargb8565*)(img.scanLine(y)); |
|
1113 for (int x = 0; x < w; ++x) { |
|
1114 quint32 result = row[x]; |
|
1115 if (result != expected) |
|
1116 printf("[x,y]: %d,%d, expected=%04x, result=%04x\n", |
|
1117 x, y, expected, result); |
|
1118 QCOMPARE(result, expected); |
|
1119 } |
|
1120 } |
|
1121 break; |
|
1122 } |
|
1123 case int(QImage::Format_ARGB8555_Premultiplied): |
|
1124 { |
|
1125 for (int y = 0; y < h; ++y) { |
|
1126 const qargb8555 *row = (const qargb8555*)(img.scanLine(y)); |
|
1127 for (int x = 0; x < w; ++x) { |
|
1128 quint32 result = row[x]; |
|
1129 if (result != expected) |
|
1130 printf("[x,y]: %d,%d, expected=%04x, result=%04x\n", |
|
1131 x, y, expected, result); |
|
1132 QCOMPARE(result, expected); |
|
1133 } |
|
1134 } |
|
1135 break; |
|
1136 } |
|
1137 case int(QImage::Format_RGB888): |
|
1138 { |
|
1139 for (int y = 0; y < h; ++y) { |
|
1140 const qrgb888 *row = (const qrgb888*)(img.scanLine(y)); |
|
1141 for (int x = 0; x < w; ++x) { |
|
1142 qrgb888 result = row[x]; |
|
1143 if (result != expected) |
|
1144 printf("[x,y]: %d,%d, expected=%04x, result=%04x\n", |
|
1145 x, y, expected, quint32(result)); |
|
1146 QCOMPARE(uint(result), expected); |
|
1147 } |
|
1148 } |
|
1149 break; |
|
1150 } |
|
1151 default: |
|
1152 qFatal("Test not implemented for format %d", format); |
|
1153 } |
|
1154 } |
|
1155 |
|
1156 void tst_QImage::convertToFormatPreserveDotsPrMeter() |
|
1157 { |
|
1158 QImage img(100, 100, QImage::Format_ARGB32_Premultiplied); |
|
1159 |
|
1160 int dpmx = 123; |
|
1161 int dpmy = 234; |
|
1162 img.setDotsPerMeterX(dpmx); |
|
1163 img.setDotsPerMeterY(dpmy); |
|
1164 img.fill(0x12345678); |
|
1165 |
|
1166 img = img.convertToFormat(QImage::Format_RGB32); |
|
1167 |
|
1168 QCOMPARE(img.dotsPerMeterX(), dpmx); |
|
1169 QCOMPARE(img.dotsPerMeterY(), dpmy); |
|
1170 } |
|
1171 |
|
1172 #ifndef QT_NO_IMAGE_TEXT |
|
1173 void tst_QImage::convertToFormatPreserveText() |
|
1174 { |
|
1175 QImage img(100, 100, QImage::Format_ARGB32_Premultiplied); |
|
1176 |
|
1177 img.setText("foo", "bar"); |
|
1178 img.setText("foo2", "bar2"); |
|
1179 img.fill(0x12345678); |
|
1180 |
|
1181 QStringList listResult; |
|
1182 listResult << "foo" << "foo2"; |
|
1183 QString result = "foo: bar\n\nfoo2: bar2"; |
|
1184 |
|
1185 QImage imgResult1 = img.convertToFormat(QImage::Format_RGB32); |
|
1186 QCOMPARE(imgResult1.text(), result); |
|
1187 QCOMPARE(imgResult1.textKeys(), listResult); |
|
1188 |
|
1189 QVector<QRgb> colorTable(4); |
|
1190 for (int i = 0; i < 4; ++i) |
|
1191 colorTable[i] = QRgb(42); |
|
1192 QImage imgResult2 = img.convertToFormat(QImage::Format_MonoLSB, |
|
1193 colorTable); |
|
1194 QCOMPARE(imgResult2.text(), result); |
|
1195 QCOMPARE(imgResult2.textKeys(), listResult); |
|
1196 } |
|
1197 #endif // QT_NO_IMAGE_TEXT |
|
1198 |
|
1199 void tst_QImage::setNumColors() |
|
1200 { |
|
1201 QImage img(0, 0, QImage::Format_Indexed8); |
|
1202 QTest::ignoreMessage(QtWarningMsg, "QImage::setNumColors: null image"); |
|
1203 img.setNumColors(256); |
|
1204 QCOMPARE(img.numColors(), 0); |
|
1205 } |
|
1206 |
|
1207 void tst_QImage::setColor() |
|
1208 { |
|
1209 QImage img(0, 0, QImage::Format_Indexed8); |
|
1210 img.setColor(0, qRgba(18, 219, 108, 128)); |
|
1211 QCOMPARE(img.numColors(), 0); |
|
1212 |
|
1213 QImage img2(1, 1, QImage::Format_Indexed8); |
|
1214 img2.setColor(0, qRgba(18, 219, 108, 128)); |
|
1215 QCOMPARE(img2.numColors(), 1); |
|
1216 } |
|
1217 |
|
1218 /* Just some sanity checking that we don't draw outside the buffer of |
|
1219 * the image. Hopefully this will create crashes or at least some |
|
1220 * random test fails when broken. |
|
1221 */ |
|
1222 void tst_QImage::rasterClipping() |
|
1223 { |
|
1224 QImage image(10, 10, QImage::Format_RGB32); |
|
1225 image.fill(0xffffffff); |
|
1226 |
|
1227 QPainter p(&image); |
|
1228 |
|
1229 p.drawLine(-1000, 5, 5, 5); |
|
1230 p.drawLine(-1000, 5, 1000, 5); |
|
1231 p.drawLine(5, 5, 1000, 5); |
|
1232 |
|
1233 p.drawLine(5, -1000, 5, 5); |
|
1234 p.drawLine(5, -1000, 5, 1000); |
|
1235 p.drawLine(5, 5, 5, 1000); |
|
1236 |
|
1237 p.setBrush(Qt::red); |
|
1238 |
|
1239 p.drawEllipse(3, 3, 4, 4); |
|
1240 p.drawEllipse(-100, -100, 210, 210); |
|
1241 |
|
1242 p.drawEllipse(-1000, 0, 2010, 2010); |
|
1243 p.drawEllipse(0, -1000, 2010, 2010); |
|
1244 p.drawEllipse(-2010, -1000, 2010, 2010); |
|
1245 p.drawEllipse(-1000, -2010, 2010, 2010); |
|
1246 QVERIFY(true); |
|
1247 } |
|
1248 |
|
1249 // Tests the new QPoint overloads in QImage in Qt 4.2 |
|
1250 void tst_QImage::pointOverloads() |
|
1251 { |
|
1252 QImage image(100, 100, QImage::Format_RGB32); |
|
1253 image.fill(0xff00ff00); |
|
1254 |
|
1255 // IsValid |
|
1256 QVERIFY(image.valid(QPoint(0, 0))); |
|
1257 QVERIFY(image.valid(QPoint(99, 0))); |
|
1258 QVERIFY(image.valid(QPoint(0, 99))); |
|
1259 QVERIFY(image.valid(QPoint(99, 99))); |
|
1260 |
|
1261 QVERIFY(!image.valid(QPoint(50, -1))); // outside on the top |
|
1262 QVERIFY(!image.valid(QPoint(50, 100))); // outside on the bottom |
|
1263 QVERIFY(!image.valid(QPoint(-1, 50))); // outside on the left |
|
1264 QVERIFY(!image.valid(QPoint(100, 50))); // outside on the right |
|
1265 |
|
1266 // Test the pixel setter |
|
1267 image.setPixel(QPoint(10, 10), 0xff0000ff); |
|
1268 QCOMPARE(image.pixel(10, 10), 0xff0000ff); |
|
1269 |
|
1270 // pixel getter |
|
1271 QCOMPARE(image.pixel(QPoint(10, 10)), 0xff0000ff); |
|
1272 |
|
1273 // pixelIndex() |
|
1274 QImage indexed = image.convertToFormat(QImage::Format_Indexed8); |
|
1275 QCOMPARE(indexed.pixelIndex(10, 10), indexed.pixelIndex(QPoint(10, 10))); |
|
1276 } |
|
1277 |
|
1278 void tst_QImage::destructor() |
|
1279 { |
|
1280 QPolygon poly(6); |
|
1281 poly.setPoint(0,-1455, 1435); |
|
1282 |
|
1283 QImage image(100, 100, QImage::Format_RGB32); |
|
1284 QPainter ptPix(&image); |
|
1285 ptPix.setPen(Qt::black); |
|
1286 ptPix.setBrush(Qt::black); |
|
1287 ptPix.drawPolygon(poly, Qt::WindingFill); |
|
1288 ptPix.end(); |
|
1289 |
|
1290 } |
|
1291 |
|
1292 |
|
1293 /* XPM */ |
|
1294 static const char *monoPixmap[] = { |
|
1295 /* width height ncolors chars_per_pixel */ |
|
1296 "4 4 2 1", |
|
1297 "x c #000000", |
|
1298 ". c #ffffff", |
|
1299 /* pixels */ |
|
1300 "xxxx", |
|
1301 "x..x", |
|
1302 "x..x", |
|
1303 "xxxx" |
|
1304 }; |
|
1305 |
|
1306 |
|
1307 #ifndef QT_NO_IMAGE_HEURISTIC_MASK |
|
1308 void tst_QImage::createHeuristicMask() |
|
1309 { |
|
1310 QImage img(monoPixmap); |
|
1311 img = img.convertToFormat(QImage::Format_MonoLSB); |
|
1312 QImage mask = img.createHeuristicMask(); |
|
1313 QImage newMask = mask.convertToFormat(QImage::Format_ARGB32_Premultiplied); |
|
1314 |
|
1315 // line 2 |
|
1316 QVERIFY(newMask.pixel(0,1) != newMask.pixel(1,1)); |
|
1317 QVERIFY(newMask.pixel(1,1) == newMask.pixel(2,1)); |
|
1318 QVERIFY(newMask.pixel(2,1) != newMask.pixel(3,1)); |
|
1319 |
|
1320 // line 3 |
|
1321 QVERIFY(newMask.pixel(0,2) != newMask.pixel(1,2)); |
|
1322 QVERIFY(newMask.pixel(1,2) == newMask.pixel(2,2)); |
|
1323 QVERIFY(newMask.pixel(2,2) != newMask.pixel(3,2)); |
|
1324 } |
|
1325 #endif |
|
1326 |
|
1327 void tst_QImage::cacheKey() |
|
1328 { |
|
1329 QImage image1(2, 2, QImage::Format_RGB32); |
|
1330 qint64 image1_key = image1.cacheKey(); |
|
1331 QImage image2 = image1; |
|
1332 |
|
1333 QVERIFY(image2.cacheKey() == image1.cacheKey()); |
|
1334 image2.detach(); |
|
1335 QVERIFY(image2.cacheKey() != image1.cacheKey()); |
|
1336 QVERIFY(image1.cacheKey() == image1_key); |
|
1337 } |
|
1338 |
|
1339 void tst_QImage::smoothScale() |
|
1340 { |
|
1341 unsigned int data[2] = { qRgba(0, 0, 0, 0), qRgba(128, 128, 128, 128) }; |
|
1342 |
|
1343 QImage imgX((unsigned char *)data, 2, 1, QImage::Format_ARGB32_Premultiplied); |
|
1344 QImage imgY((unsigned char *)data, 1, 2, QImage::Format_ARGB32_Premultiplied); |
|
1345 |
|
1346 QImage scaledX = imgX.scaled(QSize(4, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1347 QImage scaledY = imgY.scaled(QSize(1, 4), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1348 |
|
1349 uint *scaled[2] = { |
|
1350 (unsigned int *)scaledX.bits(), |
|
1351 (unsigned int *)scaledY.bits() |
|
1352 }; |
|
1353 |
|
1354 int expected[4] = { 0, 32, 96, 128 }; |
|
1355 for (int image = 0; image < 2; ++image) { |
|
1356 for (int index = 0; index < 4; ++index) { |
|
1357 for (int component = 0; component < 4; ++component) { |
|
1358 int pixel = scaled[image][index]; |
|
1359 int val = (pixel >> (component * 8)) & 0xff; |
|
1360 |
|
1361 QCOMPARE(val, expected[index]); |
|
1362 } |
|
1363 } |
|
1364 } |
|
1365 } |
|
1366 |
|
1367 // test area sampling |
|
1368 void tst_QImage::smoothScale2() |
|
1369 { |
|
1370 int sizes[] = { 2, 4, 8, 10, 16, 20, 32, 40, 64, 100, 101, 128, 0 }; |
|
1371 QImage::Format formats[] = { QImage::Format_ARGB32, QImage::Format_RGB32, QImage::Format_Invalid }; |
|
1372 for (int i = 0; sizes[i] != 0; ++i) { |
|
1373 for (int j = 0; formats[j] != QImage::Format_Invalid; ++j) { |
|
1374 int size = sizes[i]; |
|
1375 |
|
1376 QRgb expected = formats[j] == QImage::Format_ARGB32 ? qRgba(63, 127, 255, 255) : qRgb(63, 127, 255); |
|
1377 |
|
1378 QImage img(size, size, formats[j]); |
|
1379 img.fill(expected); |
|
1380 |
|
1381 // scale x down, y down |
|
1382 QImage scaled = img.scaled(QSize(1, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1383 QRgb pixel = scaled.pixel(0, 0); |
|
1384 QCOMPARE(qAlpha(pixel), qAlpha(expected)); |
|
1385 QCOMPARE(qRed(pixel), qRed(expected)); |
|
1386 QCOMPARE(qGreen(pixel), qGreen(expected)); |
|
1387 QCOMPARE(qBlue(pixel), qBlue(expected)); |
|
1388 |
|
1389 // scale x down, y up |
|
1390 scaled = img.scaled(QSize(1, size * 2), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1391 for (int y = 0; y < scaled.height(); ++y) { |
|
1392 pixel = scaled.pixel(0, y); |
|
1393 QCOMPARE(qAlpha(pixel), qAlpha(expected)); |
|
1394 QCOMPARE(qRed(pixel), qRed(expected)); |
|
1395 QCOMPARE(qGreen(pixel), qGreen(expected)); |
|
1396 QCOMPARE(qBlue(pixel), qBlue(expected)); |
|
1397 } |
|
1398 |
|
1399 // scale x up, y down |
|
1400 scaled = img.scaled(QSize(size * 2, 1), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1401 for (int x = 0; x < scaled.width(); ++x) { |
|
1402 pixel = scaled.pixel(x, 0); |
|
1403 QCOMPARE(qAlpha(pixel), qAlpha(expected)); |
|
1404 QCOMPARE(qRed(pixel), qRed(expected)); |
|
1405 QCOMPARE(qGreen(pixel), qGreen(expected)); |
|
1406 QCOMPARE(qBlue(pixel), qBlue(expected)); |
|
1407 } |
|
1408 |
|
1409 // scale x up, y up |
|
1410 scaled = img.scaled(QSize(size * 2, size * 2), Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1411 for (int y = 0; y < scaled.height(); ++y) { |
|
1412 for (int x = 0; x < scaled.width(); ++x) { |
|
1413 pixel = scaled.pixel(x, y); |
|
1414 QCOMPARE(qAlpha(pixel), qAlpha(expected)); |
|
1415 QCOMPARE(qRed(pixel), qRed(expected)); |
|
1416 QCOMPARE(qGreen(pixel), qGreen(expected)); |
|
1417 QCOMPARE(qBlue(pixel), qBlue(expected)); |
|
1418 } |
|
1419 } |
|
1420 } |
|
1421 } |
|
1422 } |
|
1423 |
|
1424 static inline int rand8() |
|
1425 { |
|
1426 return int(256. * (qrand() / (RAND_MAX + 1.0))); |
|
1427 } |
|
1428 |
|
1429 static inline bool compare(int a, int b, int tolerance) |
|
1430 { |
|
1431 return qAbs(a - b) <= tolerance; |
|
1432 } |
|
1433 |
|
1434 // compares img.scale against the bilinear filtering used by QPainter |
|
1435 void tst_QImage::smoothScale3() |
|
1436 { |
|
1437 QImage img(128, 128, QImage::Format_RGB32); |
|
1438 for (int y = 0; y < img.height(); ++y) { |
|
1439 for (int x = 0; x < img.width(); ++x) { |
|
1440 const int red = rand8(); |
|
1441 const int green = rand8(); |
|
1442 const int blue = rand8(); |
|
1443 const int alpha = 255; |
|
1444 |
|
1445 img.setPixel(x, y, qRgba(red, green, blue, alpha)); |
|
1446 } |
|
1447 } |
|
1448 |
|
1449 qreal scales[2] = { .5, 2 }; |
|
1450 |
|
1451 for (int i = 0; i < 2; ++i) { |
|
1452 QImage a = img.scaled(img.size() * scales[i], Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1453 QImage b(a.size(), a.format()); |
|
1454 b.fill(0x0); |
|
1455 |
|
1456 QPainter p(&b); |
|
1457 p.setRenderHint(QPainter::SmoothPixmapTransform); |
|
1458 p.scale(scales[i], scales[i]); |
|
1459 p.drawImage(0, 0, img); |
|
1460 p.end(); |
|
1461 |
|
1462 for (int y = 0; y < a.height(); ++y) { |
|
1463 for (int x = 0; x < a.width(); ++x) { |
|
1464 QRgb ca = a.pixel(x, y); |
|
1465 QRgb cb = b.pixel(x, y); |
|
1466 |
|
1467 // tolerate a little bit of rounding errors |
|
1468 QVERIFY(compare(qRed(ca), qRed(cb), 3)); |
|
1469 QVERIFY(compare(qGreen(ca), qGreen(cb), 3)); |
|
1470 QVERIFY(compare(qBlue(ca), qBlue(cb), 3)); |
|
1471 } |
|
1472 } |
|
1473 } |
|
1474 } |
|
1475 |
|
1476 void tst_QImage::smoothScaleBig() |
|
1477 { |
|
1478 #if defined(Q_OS_WINCE) |
|
1479 int bigValue = 2000; |
|
1480 #elif defined(Q_OS_SYMBIAN) |
|
1481 int bigValue = 2000; |
|
1482 #else |
|
1483 int bigValue = 200000; |
|
1484 #endif |
|
1485 QImage tall(4, bigValue, QImage::Format_ARGB32); |
|
1486 tall.fill(0x0); |
|
1487 |
|
1488 QImage wide(bigValue, 4, QImage::Format_ARGB32); |
|
1489 wide.fill(0x0); |
|
1490 |
|
1491 QImage tallScaled = tall.scaled(4, tall.height() / 4, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1492 QImage wideScaled = wide.scaled(wide.width() / 4, 4, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1493 |
|
1494 QCOMPARE(tallScaled.pixel(0, 0), QRgb(0x0)); |
|
1495 QCOMPARE(wideScaled.pixel(0, 0), QRgb(0x0)); |
|
1496 } |
|
1497 |
|
1498 void tst_QImage::smoothScaleAlpha() |
|
1499 { |
|
1500 QImage src(128, 128, QImage::Format_ARGB32_Premultiplied); |
|
1501 src.fill(0x0); |
|
1502 |
|
1503 QPainter srcPainter(&src); |
|
1504 srcPainter.setPen(Qt::NoPen); |
|
1505 srcPainter.setBrush(Qt::white); |
|
1506 srcPainter.drawEllipse(QRect(QPoint(), src.size())); |
|
1507 srcPainter.end(); |
|
1508 |
|
1509 QImage dst(32, 32, QImage::Format_ARGB32_Premultiplied); |
|
1510 dst.fill(0xffffffff); |
|
1511 QImage expected = dst; |
|
1512 |
|
1513 QPainter dstPainter(&dst); |
|
1514 dstPainter.drawImage(0, 0, src.scaled(dst.size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation)); |
|
1515 dstPainter.end(); |
|
1516 |
|
1517 QCOMPARE(dst, expected); |
|
1518 } |
|
1519 |
|
1520 static int count(const QImage &img, int x, int y, int dx, int dy, QRgb pixel) |
|
1521 { |
|
1522 int i = 0; |
|
1523 while (x >= 0 && x < img.width() && y >= 0 && y < img.height()) { |
|
1524 i += (img.pixel(x, y) == pixel); |
|
1525 x += dx; |
|
1526 y += dy; |
|
1527 } |
|
1528 return i; |
|
1529 } |
|
1530 |
|
1531 const int transformed_image_width = 128; |
|
1532 const int transformed_image_height = 128; |
|
1533 |
|
1534 void tst_QImage::transformed_data() |
|
1535 { |
|
1536 QTest::addColumn<QTransform>("transform"); |
|
1537 |
|
1538 { |
|
1539 QTransform transform; |
|
1540 transform.translate(10.4, 10.4); |
|
1541 QTest::newRow("Translate") << transform; |
|
1542 } |
|
1543 { |
|
1544 QTransform transform; |
|
1545 transform.scale(1.5, 1.5); |
|
1546 QTest::newRow("Scale") << transform; |
|
1547 } |
|
1548 { |
|
1549 QTransform transform; |
|
1550 transform.rotate(30); |
|
1551 QTest::newRow("Rotate 30") << transform; |
|
1552 } |
|
1553 { |
|
1554 QTransform transform; |
|
1555 transform.rotate(90); |
|
1556 QTest::newRow("Rotate 90") << transform; |
|
1557 } |
|
1558 { |
|
1559 QTransform transform; |
|
1560 transform.rotate(180); |
|
1561 QTest::newRow("Rotate 180") << transform; |
|
1562 } |
|
1563 { |
|
1564 QTransform transform; |
|
1565 transform.rotate(270); |
|
1566 QTest::newRow("Rotate 270") << transform; |
|
1567 } |
|
1568 { |
|
1569 QTransform transform; |
|
1570 transform.translate(transformed_image_width/2, transformed_image_height/2); |
|
1571 transform.rotate(155, Qt::XAxis); |
|
1572 transform.translate(-transformed_image_width/2, -transformed_image_height/2); |
|
1573 QTest::newRow("Perspective 1") << transform; |
|
1574 } |
|
1575 { |
|
1576 QTransform transform; |
|
1577 transform.rotate(155, Qt::XAxis); |
|
1578 transform.translate(-transformed_image_width/2, -transformed_image_height/2); |
|
1579 QTest::newRow("Perspective 2") << transform; |
|
1580 } |
|
1581 } |
|
1582 |
|
1583 void tst_QImage::transformed() |
|
1584 { |
|
1585 QFETCH(QTransform, transform); |
|
1586 |
|
1587 QImage img(transformed_image_width, transformed_image_height, QImage::Format_ARGB32_Premultiplied); |
|
1588 QPainter p(&img); |
|
1589 p.fillRect(0, 0, img.width(), img.height(), Qt::red); |
|
1590 p.drawRect(0, 0, img.width()-1, img.height()-1); |
|
1591 p.end(); |
|
1592 |
|
1593 QImage transformed = img.transformed(transform, Qt::SmoothTransformation); |
|
1594 |
|
1595 // all borders should have touched pixels |
|
1596 |
|
1597 QVERIFY(count(transformed, 0, 0, 1, 0, 0x0) < transformed.width()); |
|
1598 QVERIFY(count(transformed, 0, 0, 0, 1, 0x0) < transformed.height()); |
|
1599 |
|
1600 QVERIFY(count(transformed, 0, img.height() - 1, 1, 0, 0x0) < transformed.width()); |
|
1601 QVERIFY(count(transformed, img.width() - 1, 0, 0, 1, 0x0) < transformed.height()); |
|
1602 |
|
1603 QImage transformedPadded(transformed.width() + 2, transformed.height() + 2, img.format()); |
|
1604 transformedPadded.fill(0x0); |
|
1605 |
|
1606 p.begin(&transformedPadded); |
|
1607 p.setRenderHint(QPainter::SmoothPixmapTransform); |
|
1608 p.setRenderHint(QPainter::Antialiasing); |
|
1609 p.setTransform(transformed.trueMatrix(transform, img.width(), img.height()) * QTransform().translate(1, 1)); |
|
1610 p.drawImage(0, 0, img); |
|
1611 p.end(); |
|
1612 |
|
1613 // no borders should have touched pixels since we have a one-pixel padding |
|
1614 |
|
1615 QCOMPARE(count(transformedPadded, 0, 0, 1, 0, 0x0), transformedPadded.width()); |
|
1616 QCOMPARE(count(transformedPadded, 0, 0, 0, 1, 0x0), transformedPadded.height()); |
|
1617 |
|
1618 QCOMPARE(count(transformedPadded, 0, transformedPadded.height() - 1, 1, 0, 0x0), transformedPadded.width()); |
|
1619 QCOMPARE(count(transformedPadded, transformedPadded.width() - 1, 0, 0, 1, 0x0), transformedPadded.height()); |
|
1620 } |
|
1621 |
|
1622 void tst_QImage::transformed2() |
|
1623 { |
|
1624 QImage img(3, 3, QImage::Format_Mono); |
|
1625 QPainter p(&img); |
|
1626 p.fillRect(0, 0, 3, 3, Qt::white); |
|
1627 p.fillRect(0, 0, 3, 3, Qt::Dense4Pattern); |
|
1628 p.end(); |
|
1629 |
|
1630 QTransform transform; |
|
1631 transform.scale(3, 3); |
|
1632 |
|
1633 QImage expected(9, 9, QImage::Format_Mono); |
|
1634 p.begin(&expected); |
|
1635 p.fillRect(0, 0, 9, 9, Qt::white); |
|
1636 p.setBrush(Qt::black); |
|
1637 p.setPen(Qt::NoPen); |
|
1638 p.drawRect(3, 0, 3, 3); |
|
1639 p.drawRect(0, 3, 3, 3); |
|
1640 p.drawRect(6, 3, 3, 3); |
|
1641 p.drawRect(3, 6, 3, 3); |
|
1642 p.end(); |
|
1643 |
|
1644 { |
|
1645 QImage actual = img.transformed(transform); |
|
1646 |
|
1647 QCOMPARE(actual.format(), expected.format()); |
|
1648 QCOMPARE(actual.size(), expected.size()); |
|
1649 QCOMPARE(actual, expected); |
|
1650 } |
|
1651 |
|
1652 { |
|
1653 transform.rotate(-90); |
|
1654 QImage actual = img.transformed(transform); |
|
1655 |
|
1656 QCOMPARE(actual.convertToFormat(QImage::Format_ARGB32_Premultiplied), |
|
1657 expected.convertToFormat(QImage::Format_ARGB32_Premultiplied)); |
|
1658 } |
|
1659 } |
|
1660 |
|
1661 void tst_QImage::scaled() |
|
1662 { |
|
1663 QImage img(102, 3, QImage::Format_Mono); |
|
1664 QPainter p(&img); |
|
1665 p.fillRect(0, 0, img.width(), img.height(), Qt::white); |
|
1666 p.end(); |
|
1667 |
|
1668 QImage scaled = img.scaled(1994, 10); |
|
1669 |
|
1670 QImage expected(1994, 10, QImage::Format_Mono); |
|
1671 p.begin(&expected); |
|
1672 p.fillRect(0, 0, expected.width(), expected.height(), Qt::white); |
|
1673 p.end(); |
|
1674 |
|
1675 QCOMPARE(scaled, expected); |
|
1676 } |
|
1677 |
|
1678 void tst_QImage::paintEngine() |
|
1679 { |
|
1680 QImage img; |
|
1681 |
|
1682 QPaintEngine *engine; |
|
1683 { |
|
1684 QImage temp(100, 100, QImage::Format_RGB32); |
|
1685 temp.fill(0xff000000); |
|
1686 |
|
1687 QPainter p(&temp); |
|
1688 p.fillRect(80,80,10,10,Qt::blue); |
|
1689 p.end(); |
|
1690 |
|
1691 img = temp; |
|
1692 |
|
1693 engine = temp.paintEngine(); |
|
1694 } |
|
1695 |
|
1696 { |
|
1697 QPainter p(&img); |
|
1698 |
|
1699 p.fillRect(80,10,10,10,Qt::yellow); |
|
1700 p.end(); |
|
1701 } |
|
1702 |
|
1703 QImage expected(100, 100, QImage::Format_RGB32); |
|
1704 expected.fill(0xff000000); |
|
1705 |
|
1706 QPainter p(&expected); |
|
1707 p.fillRect(80,80,10,10,Qt::blue); |
|
1708 p.fillRect(80,10,10,10,Qt::yellow); |
|
1709 p.end(); |
|
1710 |
|
1711 QCOMPARE(engine, img.paintEngine()); |
|
1712 QCOMPARE(img, expected); |
|
1713 } |
|
1714 |
|
1715 void tst_QImage::setAlphaChannelWhilePainting() |
|
1716 { |
|
1717 QImage image(100, 100, QImage::Format_ARGB32); |
|
1718 image.fill(Qt::black); |
|
1719 QPainter p(&image); |
|
1720 |
|
1721 image.setAlphaChannel(image.createMaskFromColor(QColor(Qt::black).rgb(), Qt::MaskInColor)); |
|
1722 } |
|
1723 |
|
1724 |
|
1725 // See task 240047 for details |
|
1726 void tst_QImage::smoothScaledSubImage() |
|
1727 { |
|
1728 QImage original(128, 128, QImage::Format_RGB32); |
|
1729 QPainter p(&original); |
|
1730 p.fillRect(0, 0, 64, 128, Qt::black); |
|
1731 p.fillRect(64, 0, 64, 128, Qt::white); |
|
1732 p.end(); |
|
1733 |
|
1734 QImage subimage(((const QImage &) original).bits(), 32, 32, original.bytesPerLine(), QImage::Format_RGB32); // only in the black part of the source... |
|
1735 |
|
1736 QImage scaled = subimage.scaled(8, 8, Qt::IgnoreAspectRatio, Qt::SmoothTransformation); |
|
1737 |
|
1738 for (int y=0; y<scaled.height(); ++y) |
|
1739 for (int x=0; x<scaled.width(); ++x) |
|
1740 QCOMPARE(scaled.pixel(x, y), 0xff000000); |
|
1741 } |
|
1742 |
|
1743 void tst_QImage::nullSize_data() |
|
1744 { |
|
1745 QTest::addColumn<QImage>("image"); |
|
1746 QTest::newRow("null image") << QImage(); |
|
1747 QTest::newRow("zero-size image") << QImage(0, 0, QImage::Format_RGB32); |
|
1748 } |
|
1749 |
|
1750 void tst_QImage::nullSize() |
|
1751 { |
|
1752 QFETCH(QImage, image); |
|
1753 QCOMPARE(image.isNull(), true); |
|
1754 QCOMPARE(image.width(), image.size().width()); |
|
1755 QCOMPARE(image.height(), image.size().height()); |
|
1756 } |
|
1757 |
|
1758 void tst_QImage::premultipliedAlphaConsistency() |
|
1759 { |
|
1760 QImage img(256, 1, QImage::Format_ARGB32); |
|
1761 for (int x = 0; x < 256; ++x) |
|
1762 img.setPixel(x, 0, (x << 24) | 0xffffff); |
|
1763 |
|
1764 QImage converted = img.convertToFormat(QImage::Format_ARGB8565_Premultiplied); |
|
1765 QImage pm32 = converted.convertToFormat(QImage::Format_ARGB32_Premultiplied); |
|
1766 |
|
1767 for (int i = 0; i < pm32.width(); ++i) { |
|
1768 QRgb pixel = pm32.pixel(i, 0); |
|
1769 QVERIFY(qRed(pixel) <= qAlpha(pixel)); |
|
1770 QVERIFY(qGreen(pixel) <= qAlpha(pixel)); |
|
1771 QVERIFY(qBlue(pixel) <= qAlpha(pixel)); |
|
1772 } |
|
1773 } |
|
1774 |
|
1775 void tst_QImage::compareIndexed() |
|
1776 { |
|
1777 QImage img(256, 1, QImage::Format_Indexed8); |
|
1778 |
|
1779 QVector<QRgb> colorTable(256); |
|
1780 for (int i = 0; i < 256; ++i) |
|
1781 colorTable[i] = qRgb(i, i, i); |
|
1782 img.setColorTable(colorTable); |
|
1783 |
|
1784 for (int i = 0; i < 256; ++i) { |
|
1785 img.setPixel(i, 0, i); |
|
1786 } |
|
1787 |
|
1788 QImage imgInverted(256, 1, QImage::Format_Indexed8); |
|
1789 QVector<QRgb> invertedColorTable(256); |
|
1790 for (int i = 0; i < 256; ++i) |
|
1791 invertedColorTable[255-i] = qRgb(i, i, i); |
|
1792 imgInverted.setColorTable(invertedColorTable); |
|
1793 |
|
1794 for (int i = 0; i < 256; ++i) { |
|
1795 imgInverted.setPixel(i, 0, (255-i)); |
|
1796 } |
|
1797 |
|
1798 QCOMPARE(img, imgInverted); |
|
1799 } |
|
1800 |
|
1801 QTEST_MAIN(tst_QImage) |
|
1802 #include "tst_qimage.moc" |