| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the test suite of the Qt Toolkit. | 
| 7 | ** | 
| 8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ | 
| 9 | ** Commercial License Usage | 
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| 15 | ** information use the contact form at https://www.qt.io/contact-us. | 
| 16 | ** | 
| 17 | ** GNU General Public License Usage | 
| 18 | ** Alternatively, this file may be used under the terms of the GNU | 
| 19 | ** General Public License version 3 as published by the Free Software | 
| 20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT | 
| 21 | ** included in the packaging of this file. Please review the following | 
| 22 | ** information to ensure the GNU General Public License requirements will | 
| 23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. | 
| 24 | ** | 
| 25 | ** $QT_END_LICENSE$ | 
| 26 | ** | 
| 27 | ****************************************************************************/ | 
| 28 |  | 
| 29 |  | 
| 30 | #include <QtTest/QtTest> | 
| 31 |  | 
| 32 | #if 0 | 
| 33 | #include <private/qpaintengine_svg_p.h> | 
| 34 | #endif | 
| 35 |  | 
| 36 | #include <qapplication.h> | 
| 37 | #include <qpainter.h> | 
| 38 | #include <qbuffer.h> | 
| 39 | #include <qimage.h> | 
| 40 | #include <qpicture.h> | 
| 41 | #include <qdrawutil.h> | 
| 42 | #include <qpaintdevice.h> | 
| 43 |  | 
| 44 | class tst_QSvgDevice : public QObject | 
| 45 | { | 
| 46 |     Q_OBJECT | 
| 47 | public: | 
| 48 |     tst_QSvgDevice(); | 
| 49 |  | 
| 50 | private slots: | 
| 51 |     void play_data(); | 
| 52 |     void play(); | 
| 53 |     void boundingRect(); | 
| 54 |  | 
| 55 | private: | 
| 56 |     void playPaint( QPainter *p, const QString &type ); | 
| 57 | }; | 
| 58 |  | 
| 59 | tst_QSvgDevice::tst_QSvgDevice() | 
| 60 | { | 
| 61 | } | 
| 62 |  | 
| 63 | void tst_QSvgDevice::play_data() | 
| 64 | { | 
| 65 |     QTest::addColumn<QString>(name: "tag name" ); | 
| 66 |     // we only use the tag name | 
| 67 |     QTest::newRow( dataTag: "lines"  ); | 
| 68 |     QTest::newRow( dataTag: "font"  ); | 
| 69 |     QTest::newRow( dataTag: "polyline"  ); | 
| 70 |     QTest::newRow( dataTag: "translate"  ); | 
| 71 |     QTest::newRow( dataTag: "scaleRect"  ); | 
| 72 |     QTest::newRow( dataTag: "ellipseOdd"  ); | 
| 73 |     QTest::newRow( dataTag: "ellipseEven"  ); | 
| 74 |     QTest::newRow( dataTag: "ellipseRandom"  ); | 
| 75 |     QTest::newRow( dataTag: "scaleText"  ); | 
| 76 |     QTest::newRow( dataTag: "scaleTextWithFont"  ); | 
| 77 |     QTest::newRow( dataTag: "scaleTextSaveRestore"  ); | 
| 78 |     QTest::newRow( dataTag: "scaleLineWithPen"  ); | 
| 79 |     QTest::newRow( dataTag: "task-17637"  ); | 
| 80 |     QTest::newRow( dataTag: "dashed-lines"  ); | 
| 81 |     QTest::newRow( dataTag: "dot-lines"  ); | 
| 82 |     QTest::newRow( dataTag: "dashed-dot-lines"  ); | 
| 83 |     QTest::newRow( dataTag: "dashed-dot-dot-lines"  ); | 
| 84 |     QTest::newRow( dataTag: "scaleDashed-lines"  ); | 
| 85 |     QTest::newRow( dataTag: "thick-dashed-lines"  ); | 
| 86 |     QTest::newRow( dataTag: "negative-rect"  ); | 
| 87 |     QTest::newRow( dataTag: "lightText"  ); | 
| 88 |     QTest::newRow( dataTag: "boldText"  ); | 
| 89 |     QTest::newRow( dataTag: "demiBoldText"  ); | 
| 90 |     QTest::newRow( dataTag: "blackText"  ); | 
| 91 |     QTest::newRow( dataTag: "task-20239"  ); | 
| 92 |     QTest::newRow( dataTag: "clipRect"  ); | 
| 93 |     QTest::newRow( dataTag: "multipleClipRects"  ); | 
| 94 |     QTest::newRow(dataTag: "qsimplerichtext" ); | 
| 95 | } | 
| 96 |  | 
| 97 | #if 0 | 
| 98 |  | 
| 99 | class SVGDummyDevice : public QPaintDevice | 
| 100 | { | 
| 101 | public: | 
| 102 |     SVGDummyDevice() | 
| 103 | 	: QPaintDevice(QInternal::ExternalDevice), eng(0) { } | 
| 104 |     ~SVGDummyDevice() { | 
| 105 | 	delete eng; | 
| 106 |     } | 
| 107 |     QPaintEngine *engine() const { | 
| 108 | 	if (!eng) | 
| 109 | 	    const_cast<SVGDummyDevice *>(this)->eng = new QSVGPaintEngine; | 
| 110 | 	return eng; | 
| 111 |     } | 
| 112 |  | 
| 113 | private: | 
| 114 |     QPaintEngine *eng; | 
| 115 | }; | 
| 116 |  | 
| 117 | void tst_QSvgDevice::play() | 
| 118 | { | 
| 119 |     // current tag name | 
| 120 |     QString type = data()->dataTag(); | 
| 121 |  | 
| 122 |     // reference pixmap | 
| 123 |     QPixmap ref( 100, 100 ); | 
| 124 |     ref.fill( Qt::white ); | 
| 125 |     QPainter pref( &ref ); | 
| 126 |     playPaint( &pref, type ); | 
| 127 |     pref.end(); | 
| 128 |  | 
| 129 |     // draw the same into the SVG device | 
| 130 |     SVGDummyDevice dev; | 
| 131 |     QPainter pdev( &dev ); | 
| 132 |     playPaint( &pdev, type ); | 
| 133 |     pdev.end(); | 
| 134 |  | 
| 135 |  | 
| 136 |     //dev.setBoundingRect( QRect( 0, 0, 100, 100 ) ); | 
| 137 |     //dev.save( type + "-res.svg" ); // ### sets bounding rect to 0 ! | 
| 138 |  | 
| 139 |     // replay on a result pixmap and compare | 
| 140 |     QPixmap res( 100, 100 ); | 
| 141 |     res.fill( Qt::white ); | 
| 142 |     QPainter pres( &res ); | 
| 143 |     static_cast<QSVGPaintEngine *>(dev.engine())->play( &pres ); | 
| 144 |  | 
| 145 | #if 0 | 
| 146 |     // for visual inspection | 
| 147 |     ref.save( type + "-ref.xpm" , "XPM"  ); | 
| 148 |     res.save( type + "-res.xpm" , "XPM"  ); | 
| 149 | #endif | 
| 150 |  | 
| 151 |     QVERIFY( res.convertToImage() == ref.convertToImage() ); | 
| 152 | } | 
| 153 |  | 
| 154 | // helper function for play() | 
| 155 | void tst_QSvgDevice::playPaint( QPainter *p, const QString &type ) | 
| 156 | { | 
| 157 |     if ( type == "lines"  ) { | 
| 158 | 	// line with pen width 0 | 
| 159 | 	p->setPen( QPen( Qt::black, 0, Qt::SolidLine ) ); | 
| 160 | 	p->drawLine( 10, 0, 20, 3 ); | 
| 161 |  | 
| 162 | 	// line with pen width 1 | 
| 163 | 	p->setPen( QPen( Qt::black, 1, Qt::SolidLine ) ); | 
| 164 | 	p->drawLine( 2, 0, 10, 3 ); | 
| 165 |  | 
| 166 | 	// rect without outline (qt-bugs/arc-17/35556) | 
| 167 | 	p->setPen( Qt::NoPen ); | 
| 168 | 	p->setBrush( Qt::red ); | 
| 169 | 	p->drawRect( 5, 10, 20, 30 ); | 
| 170 |     } else if ( type == "text"  ) { | 
| 171 | 	QFont f = p->font(); | 
| 172 | 	f.setItalic( TRUE ); | 
| 173 | 	f.setBold( TRUE ); | 
| 174 | 	p->setFont( f ); | 
| 175 | 	p->drawText( 5, 55, "Text"  ); | 
| 176 |     } else if ( type == "polyline"  ) { | 
| 177 | 	// we'll draw 4 triangular polylines. Only two will show up | 
| 178 | 	// as the QPainter::drawPolyline() doesn't respect the brush | 
| 179 | 	// just the pen setting | 
| 180 | 	QPolygon pa( 3 ); | 
| 181 | 	pa.setPoint( 0, 0, 0 ); | 
| 182 | 	pa.setPoint( 1, 10, 0 ); | 
| 183 | 	pa.setPoint( 2, 0, 10 ); | 
| 184 |  | 
| 185 | 	// frame around the following 4 polylines | 
| 186 | 	p->setBrush( Qt::NoBrush ); | 
| 187 | 	p->setPen( Qt::SolidLine ); | 
| 188 | 	p->drawRect( 46, 3, 19, 60 ); | 
| 189 |  | 
| 190 | 	// polyline with blue brush, no pen | 
| 191 | 	p->setPen( Qt::NoPen ); | 
| 192 | 	p->setBrush( Qt::blue ); | 
| 193 | 	p->translate( 50, 5 ); | 
| 194 | 	p->drawPolyline( pa ); | 
| 195 |  | 
| 196 | 	// polyline without brush, no pen | 
| 197 | 	p->setBrush( Qt::NoBrush ); | 
| 198 | 	p->translate( 0, 15 ); | 
| 199 | 	p->drawPolyline( pa ); | 
| 200 |  | 
| 201 | 	// polyline with green brush, solid pen | 
| 202 | 	p->setBrush( Qt::green ); | 
| 203 | 	p->setPen( Qt::SolidLine ); | 
| 204 | 	p->translate( 0, 15 ); | 
| 205 | 	p->drawPolyline( pa ); | 
| 206 |  | 
| 207 | 	// polyline without brush, solid pen | 
| 208 | 	p->setBrush( Qt::NoBrush ); | 
| 209 | 	p->setPen( Qt::SolidLine ); | 
| 210 | 	p->translate( 0, 15 ); | 
| 211 | 	p->drawPolyline( pa ); | 
| 212 |     } else if ( type == "translate"  ) { | 
| 213 | 	p->translate(-10,-10); | 
| 214 | 	p->save(); | 
| 215 | 	p->setBrush( Qt::blue ); | 
| 216 | 	p->drawRect( 20, 30, 50, 20 ); | 
| 217 | 	p->restore(); | 
| 218 | 	p->setBrush( Qt::green ); | 
| 219 | 	p->drawRect( 70, 50, 10, 10 ); | 
| 220 |     } else if ( type == "scaleRect"  ) { | 
| 221 | 	p->scale( 1, 2 ); | 
| 222 | 	p->setBrush( Qt::blue ); | 
| 223 | 	p->drawRect( 20, 20, 60, 60 ); | 
| 224 |     } else if ( type == "ellipseEven"  ) { | 
| 225 | 	p->setBrush( Qt::blue ); | 
| 226 | 	p->drawEllipse( 20, 20, 60, 60 ); | 
| 227 |     } else if ( type == "ellipseOdd"  ) { | 
| 228 | 	p->setBrush( Qt::blue ); | 
| 229 | 	p->drawEllipse( 20, 20, 59, 59 ); | 
| 230 |     } else if ( type == "ellipseRandom"  ) { | 
| 231 | 	p->setBrush( Qt::blue ); | 
| 232 | 	p->drawEllipse( 20, 34, 89, 123 ); | 
| 233 |     } else if ( type == "scaleText"  ) { | 
| 234 | 	p->scale(0.25,0.25); | 
| 235 | 	p->drawText(200,200,"Hello!" ); | 
| 236 |     } else if ( type == "scaleTextWithFont"  ) { | 
| 237 | 	p->setFont(QFont("Helvetica" ,12)); | 
| 238 | 	p->scale(0.25,0.25); | 
| 239 | 	p->drawText(200,200,"Hello!" ); | 
| 240 | #ifdef Q_WS_WIN | 
| 241 |     // Only test on Windows for now, visually it looks fine, but | 
| 242 |     // it's failing for some reason on Linux | 
| 243 |     } else if ( type == "scaleTextSaveRestore"  ) { | 
| 244 |         p->scale(1,-1); | 
| 245 | 	p->save(); | 
| 246 | 	p->setFont(QFont("Helvetica" ,12)); | 
| 247 | 	p->scale(0.5,0.5); | 
| 248 | 	p->drawText(0,0,"Hello!" ); | 
| 249 | 	p->restore(); | 
| 250 | #endif | 
| 251 |     } else if ( type == "scaleLineWithPen"  ) { | 
| 252 |         p->scale(0.1,0.1); | 
| 253 | 	p->setPen(QPen(Qt::red,100)); | 
| 254 | 	p->drawLine(3,3,500,500); | 
| 255 |     } else if ( type == "task-17637"  ) { | 
| 256 | 	p->translate(0,200); | 
| 257 | 	p->scale(0.01,-0.01); | 
| 258 | 	p->setBrush(Qt::blue); | 
| 259 | 	p->drawEllipse(2000,2000,6000,6000); | 
| 260 | 	p->setPen(QPen(Qt::red,100)); | 
| 261 | 	p->setFont(QFont("Helvetica" ,12)); | 
| 262 | 	p->save(); | 
| 263 | 	p->scale(1,-1); | 
| 264 | 	p->drawText(4000,4000,"Hello!" ); | 
| 265 | 	p->restore(); | 
| 266 | 	p->drawLine(3000,3000,5000,5000); | 
| 267 |     } else if ( type == "dashed-lines"  ) { | 
| 268 | 	p->setPen(QPen(Qt::red, 1, Qt::DashLine)); | 
| 269 | 	p->drawLine(10,10,50,50); | 
| 270 |     } else if ( type == "dot-lines"  ) { | 
| 271 | 	p->setPen(QPen(Qt::red, 1, Qt::DotLine)); | 
| 272 | 	p->drawLine(10,10,50,50); | 
| 273 |     } else if ( type == "dashed-dot-lines"  ) { | 
| 274 | 	p->setPen(QPen(Qt::red, 1, Qt::DashDotLine)); | 
| 275 | 	p->drawLine(10,10,50,50); | 
| 276 |     } else if ( type == "dashed-dot-dot-lines"  ) { | 
| 277 | 	p->setPen(QPen(Qt::red, 1, Qt::DashDotDotLine)); | 
| 278 | 	p->drawLine(10,10,50,50); | 
| 279 |     } else if ( type == "scaleDashed-lines"  ) { | 
| 280 | 	p->scale(0.1,0.1); | 
| 281 | 	p->setPen(QPen(Qt::red, 10, Qt::DashLine)); | 
| 282 | 	p->drawLine(10,10,500,500); | 
| 283 |     } else if ( type == "thick-dashed-lines"  ) { | 
| 284 | 	p->setPen(QPen(Qt::red, 10, Qt::DashLine)); | 
| 285 | 	p->drawLine(10,10,50,50); | 
| 286 |     } else if ( type == "negative-rect"  ) { | 
| 287 | 	p->drawRect(70, 0,-30,30); | 
| 288 |     } else if ( type == "lightText"  ) { | 
| 289 | 	QFont f("Helvetica" ,12); | 
| 290 | 	f.setWeight( QFont::Light ); | 
| 291 | 	p->setFont(f); | 
| 292 | 	p->drawText(0,0,"Hello!" ); | 
| 293 |     } else if ( type == "boldText"  ) { | 
| 294 | 	QFont f("Helvetica" ,12); | 
| 295 | 	f.setWeight( QFont::Bold ); | 
| 296 | 	p->setFont(f); | 
| 297 | 	p->drawText(0,0,"Hello!" ); | 
| 298 |     } else if ( type == "demiBoldText"  ) { | 
| 299 | 	QFont f("Helvetica" ,12); | 
| 300 | 	f.setWeight( QFont::DemiBold ); | 
| 301 | 	p->setFont(f); | 
| 302 | 	p->drawText(0,0,"Hello!" ); | 
| 303 |     } else if ( type == "blackText"  ) { | 
| 304 | 	QFont f("Helvetica" ,12); | 
| 305 | 	f.setWeight( QFont::Black ); | 
| 306 | 	p->setFont(f); | 
| 307 | 	p->drawText(0,0,"Hello!" ); | 
| 308 |     } else if ( type == "task-20239"  ) { | 
| 309 |         p->translate(0,200); | 
| 310 | 	p->scale(0.02,-0.02); | 
| 311 | 	p->scale(1,-1); | 
| 312 | 	for(int y = 1000; y <=10000; y += 2000) { | 
| 313 | 	    QBrush br(Qt::green); | 
| 314 | 	    QPalette palette(Qt::green,Qt::blue); | 
| 315 | 	    qDrawShadePanel(p,4000,5000,4000,2000,palette.active(),false,200,&br); | 
| 316 | 	    qDrawShadeRect(p,2000,2000,4000,2000,palette.active(),true,100,0,&br); | 
| 317 | 	} | 
| 318 |     } else if (type=="clipRect" ) { | 
| 319 | 	p->setClipRect(15,25,10,10); | 
| 320 | 	p->drawEllipse(10,20,50,70); | 
| 321 |     } else if (type=="multipleClipRects" ) { | 
| 322 | 	p->setClipRect(15,25,10,10); | 
| 323 | 	p->drawEllipse(10,20,50,70); | 
| 324 | 	p->setClipRect(100,200,20,20); | 
| 325 | 	p->drawEllipse(110,220,50,70); | 
| 326 |     } else if (type == "qsimplerichtext" ) { | 
| 327 | 	p->setPen(QColor(0,0,0)); | 
| 328 |         p->setBrush(Qt::NoBrush); | 
| 329 |         QRect rect1(10, 10, 100, 50); | 
| 330 |         QRect rect2(200, 20, 80, 50); | 
| 331 |         p->drawRect(10, 10, 100, 50); | 
| 332 |         p->drawRect(200, 20, 80, 50); | 
| 333 |  | 
| 334 |         QSimpleRichText text1("Text 1" , QApplication::font()); | 
| 335 |         QSimpleRichText text2("Text 2" , QApplication::font()); | 
| 336 |  | 
| 337 |         QColorGroup cg(Qt::black, Qt::red, Qt::gray, Qt::gray, Qt::gray, Qt::black, Qt::blue, Qt::black, Qt::white); | 
| 338 |         text1.draw(p, rect1.x(), rect1.y(), rect1, cg); | 
| 339 |         text2.draw(p, rect2.x(), rect2.y(), rect2, cg); | 
| 340 |     } | 
| 341 | } | 
| 342 |  | 
| 343 | void tst_QSvgDevice::boundingRect() | 
| 344 | { | 
| 345 |     // ### the bounding rect is only calculated/parsed | 
| 346 |     // ### when replaying. Therefore we go through QPicture. | 
| 347 |     QRect r( 10, 20, 30, 40 ); | 
| 348 |     // create document | 
| 349 |     QPicture pic; | 
| 350 |     QPainter p( &pic ); | 
| 351 |     p.drawRect( r ); | 
| 352 |     p.end(); | 
| 353 |     pic.save( "tmp.svg" , "svg"  ); | 
| 354 |     // load it | 
| 355 |     QPicture pic2; | 
| 356 |     pic2.load( "tmp.svg" , "svg"  ); | 
| 357 |     QCOMPARE( pic2.boundingRect(), r ); | 
| 358 | } | 
| 359 |  | 
| 360 | #else | 
| 361 |  | 
| 362 | void tst_QSvgDevice::play() | 
| 363 | { | 
| 364 |     QSKIP("This test needs some redoing, this is just a temp measure until I work it out" ); | 
| 365 | } | 
| 366 |  | 
| 367 | void tst_QSvgDevice::boundingRect() | 
| 368 | { | 
| 369 |     QSKIP("This test needs some redoing, this is just a temp measure until I work it out" ); | 
| 370 | } | 
| 371 |  | 
| 372 | #endif | 
| 373 |  | 
| 374 | QTEST_MAIN(tst_QSvgDevice) | 
| 375 | #include "tst_qsvgdevice.moc" | 
| 376 |  |