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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 <qpicture.h> |
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46 #include <qpainter.h> |
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47 #include <qimage.h> |
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48 #include <qdesktopwidget.h> |
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49 #include <qapplication.h> |
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50 #include <limits.h> |
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51 |
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52 //TESTED_CLASS= |
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53 //TESTED_FILES= |
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54 |
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55 class tst_QPicture : public QObject |
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56 { |
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57 Q_OBJECT |
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58 |
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59 public: |
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60 tst_QPicture(); |
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61 |
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62 private slots: |
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63 void getSetCheck(); |
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64 void devType(); |
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65 void paintingActive(); |
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66 void boundingRect(); |
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67 void operator_lt_lt(); |
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68 |
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69 void save_restore(); |
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70 |
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71 void boundaryValues_data(); |
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72 void boundaryValues(); |
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73 }; |
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74 |
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75 // Testing get/set functions |
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76 void tst_QPicture::getSetCheck() |
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77 { |
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78 QPictureIO obj1; |
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79 // const QPicture & QPictureIO::picture() |
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80 // void QPictureIO::setPicture(const QPicture &) |
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81 // const char * QPictureIO::format() |
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82 // void QPictureIO::setFormat(const char *) |
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83 char *var2 = "PNG"; |
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84 obj1.setFormat(var2); |
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85 QCOMPARE(var2, obj1.format()); |
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86 obj1.setFormat((char *)0); |
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87 // The format is stored internally in a QString, so return is always a valid char * |
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88 QVERIFY(QString(obj1.format()).isEmpty()); |
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89 |
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90 // const char * QPictureIO::parameters() |
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91 // void QPictureIO::setParameters(const char *) |
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92 char *var3 = "Bogus data"; |
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93 obj1.setParameters(var3); |
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94 QCOMPARE(var3, obj1.parameters()); |
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95 obj1.setParameters((char *)0); |
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96 // The format is stored internally in a QString, so return is always a valid char * |
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97 QVERIFY(QString(obj1.parameters()).isEmpty()); |
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98 } |
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99 |
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100 tst_QPicture::tst_QPicture() |
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101 { |
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102 } |
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103 |
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104 void tst_QPicture::devType() |
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105 { |
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106 QPicture p; |
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107 QCOMPARE( p.devType(), (int)QInternal::Picture ); |
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108 } |
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109 |
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110 void tst_QPicture::paintingActive() |
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111 { |
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112 // actually implemented in QPainter but QPicture is a good |
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113 // example of an external paint device |
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114 QPicture p; |
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115 QVERIFY( !p.paintingActive() ); |
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116 QPainter pt( &p ); |
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117 QVERIFY( p.paintingActive() ); |
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118 pt.end(); |
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119 QVERIFY( !p.paintingActive() ); |
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120 } |
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121 |
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122 void tst_QPicture::boundingRect() |
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123 { |
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124 QPicture p1; |
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125 // default value |
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126 QVERIFY( !p1.boundingRect().isValid() ); |
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127 |
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128 QRect r1( 20, 30, 5, 15 ); |
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129 p1.setBoundingRect( r1 ); |
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130 QCOMPARE( p1.boundingRect(), r1 ); |
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131 p1.setBoundingRect(QRect()); |
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132 |
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133 QPainter pt( &p1 ); |
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134 pt.drawLine( 10, 20, 110, 80 ); |
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135 pt.end(); |
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136 |
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137 // assignment and copy constructor |
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138 QRect r2( 10, 20, 100, 60 ); |
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139 QCOMPARE( p1.boundingRect(), r2 ); |
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140 QPicture p2( p1 ); |
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141 QCOMPARE( p1.boundingRect(), r2 ); |
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142 QPicture p3; |
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143 p3 = p1; |
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144 QCOMPARE( p1.boundingRect(), r2 ); |
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145 |
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146 { |
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147 QPicture p4; |
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148 QPainter p(&p4); |
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149 p.drawLine(0, 0, 5, 0); |
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150 p.drawLine(0, 0, 0, 5); |
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151 p.end(); |
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152 |
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153 QRect r3(0, 0, 5, 5); |
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154 QCOMPARE(p4.boundingRect(), r3); |
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155 } |
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156 } |
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157 |
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158 // operator<< and operator>> |
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159 void tst_QPicture::operator_lt_lt() |
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160 { |
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161 // streaming of null pictures |
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162 { |
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163 QPicture pic1, pic2; |
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164 QByteArray ba( 100, 0 ); |
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165 QDataStream str1( &ba, QIODevice::WriteOnly ); |
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166 str1 << pic1; |
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167 QDataStream str2( &ba, QIODevice::ReadOnly ); |
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168 str2 >> pic2; |
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169 QVERIFY( pic2.isNull() ); |
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170 } |
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171 |
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172 // picture with a simple line, checking bitwise equality |
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173 { |
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174 QPicture pic1, pic2; |
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175 QPainter p( &pic1 ); |
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176 p.drawLine( 10, 20, 30, 40 ); |
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177 p.end(); |
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178 QByteArray ba( 10 * pic1.size(), 0 ); |
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179 QDataStream str1( &ba, QIODevice::WriteOnly ); |
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180 str1 << pic1; |
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181 QDataStream str2( &ba, QIODevice::ReadOnly ); |
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182 str2 >> pic2; |
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183 QCOMPARE( pic1.size(), pic2.size() ); |
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184 QVERIFY( memcmp( pic1.data(), pic2.data(), pic1.size() ) == 0 ); |
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185 } |
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186 } |
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187 |
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188 static QPointF scalePoint(const QPointF &point, QPaintDevice *sourceDevice, QPaintDevice *destDevice) |
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189 { |
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190 return QPointF(point.x() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()), |
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191 point.y() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY())); |
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192 } |
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193 |
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194 static QRectF scaleRect(const QRectF &rect, QPaintDevice *sourceDevice, QPaintDevice *destDevice) |
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195 { |
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196 return QRectF(rect.left() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()), |
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197 rect.top() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY()), |
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198 rect.width() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()), |
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199 rect.height() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY())); |
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200 } |
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201 |
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202 static void paintStuff(QPainter *p) |
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203 { |
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204 QPaintDevice *screenDevice = QApplication::desktop(); |
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205 p->drawRect(scaleRect(QRectF(100, 100, 100, 100), screenDevice, p->device())); |
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206 p->save(); |
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207 p->translate(scalePoint(QPointF(10, 10), screenDevice, p->device())); |
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208 p->restore(); |
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209 p->drawRect(scaleRect(QRectF(100, 100, 100, 100), screenDevice, p->device())); |
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210 } |
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211 |
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212 /* See task: 41469 |
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213 Problem is that the state is not properly restored if the basestate of |
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214 the painter is different when the picture data was created compared to |
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215 the base state of the painter when it is played back. |
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216 */ |
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217 void tst_QPicture::save_restore() |
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218 { |
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219 QPicture pic; |
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220 QPainter p; |
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221 p.begin(&pic); |
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222 paintStuff(&p); |
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223 p.end(); |
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224 |
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225 QPixmap pix1(300, 300); |
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226 pix1.fill(Qt::white); |
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227 p.begin(&pix1); |
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228 p.drawPicture(50, 50, pic); |
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229 p.end(); |
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230 |
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231 QPixmap pix2(300, 300); |
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232 pix2.fill(Qt::white); |
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233 p.begin(&pix2); |
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234 p.translate(50, 50); |
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235 paintStuff(&p); |
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236 p.end(); |
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237 |
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238 QVERIFY( pix1.toImage() == pix2.toImage() ); |
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239 } |
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240 |
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241 void tst_QPicture::boundaryValues_data() |
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242 { |
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243 QTest::addColumn<int>("x"); |
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244 QTest::addColumn<int>("y"); |
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245 QTest::newRow("max x") << INT_MAX << 50; |
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246 QTest::newRow("max y") << 50 << INT_MAX; |
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247 QTest::newRow("max x and y") << INT_MAX << INT_MAX; |
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248 |
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249 QTest::newRow("min x") << INT_MIN << 50; |
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250 QTest::newRow("min y") << 50 << INT_MIN; |
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251 QTest::newRow("min x and y") << INT_MIN << INT_MIN; |
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252 |
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253 QTest::newRow("min x, max y") << INT_MIN << INT_MAX; |
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254 QTest::newRow("max x, min y") << INT_MAX << INT_MIN; |
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255 |
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256 } |
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257 |
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258 void tst_QPicture::boundaryValues() |
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259 { |
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260 QPicture picture; |
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261 |
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262 QPainter painter; |
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263 painter.begin(&picture); |
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264 |
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265 QFETCH(int, x); |
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266 QFETCH(int, y); |
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267 painter.drawPoint(QPoint(x, y)); |
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268 |
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269 painter.end(); |
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270 |
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271 |
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272 } |
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273 |
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274 |
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275 QTEST_MAIN(tst_QPicture) |
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276 #include "tst_qpicture.moc" |