tests/auto/qsvgdevice/tst_qsvgdevice.cpp
changeset 0 1918ee327afb
child 4 3b1da2848fc7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/auto/qsvgdevice/tst_qsvgdevice.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,392 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#if 0
+#include <private/qpaintengine_svg_p.h>
+#endif
+
+#include <qapplication.h>
+#include <qpainter.h>
+#include <qbuffer.h>
+#include <qimage.h>
+#include <qpicture.h>
+#include <qdrawutil.h>
+#include <qpaintdevice.h>
+
+
+
+//TESTED_CLASS=
+//TESTED_FILES= xml/qsvgdevice.cpp
+
+class tst_QSvgDevice : public QObject
+{
+    Q_OBJECT
+public:
+    tst_QSvgDevice();
+
+private slots:
+    void play_data();
+    void play();
+    void boundingRect();
+
+private:
+    void playPaint( QPainter *p, const QString &type );
+};
+
+tst_QSvgDevice::tst_QSvgDevice()
+{
+}
+
+void tst_QSvgDevice::play_data()
+{
+    // we only use the tag name
+    QTest::newRow( "lines" );
+    QTest::newRow( "font" );
+    QTest::newRow( "polyline" );
+    QTest::newRow( "translate" );
+    QTest::newRow( "scaleRect" );
+    QTest::newRow( "ellipseOdd" );
+    QTest::newRow( "ellipseEven" );
+    QTest::newRow( "ellipseRandom" );
+    QTest::newRow( "scaleText" );
+    QTest::newRow( "scaleTextWithFont" );
+    QTest::newRow( "scaleTextSaveRestore" );
+    QTest::newRow( "scaleLineWithPen" );
+    QTest::newRow( "task-17637" );
+    QTest::newRow( "dashed-lines" );
+    QTest::newRow( "dot-lines" );
+    QTest::newRow( "dashed-dot-lines" );
+    QTest::newRow( "dashed-dot-dot-lines" );
+    QTest::newRow( "scaleDashed-lines" );
+    QTest::newRow( "thick-dashed-lines" );
+    QTest::newRow( "negative-rect" );
+    QTest::newRow( "lightText" );
+    QTest::newRow( "boldText" );
+    QTest::newRow( "demiBoldText" );
+    QTest::newRow( "blackText" );
+    QTest::newRow( "task-20239" );
+    QTest::newRow( "clipRect" );
+    QTest::newRow( "multipleClipRects" );
+    QTest::newRow("qsimplerichtext");
+}
+
+#if 0
+
+class SVGDummyDevice : public QPaintDevice
+{
+public:
+    SVGDummyDevice()
+	: QPaintDevice(QInternal::ExternalDevice), eng(0) { }
+    ~SVGDummyDevice() {
+	delete eng;
+    }
+    QPaintEngine *engine() const {
+	if (!eng)
+	    const_cast<SVGDummyDevice *>(this)->eng = new QSVGPaintEngine;
+	return eng;
+    }
+
+private:
+    QPaintEngine *eng;
+};
+
+void tst_QSvgDevice::play()
+{
+    // current tag name
+    QString type = data()->dataTag();
+
+    // reference pixmap
+    QPixmap ref( 100, 100 );
+    ref.fill( Qt::white );
+    QPainter pref( &ref );
+    playPaint( &pref, type );
+    pref.end();
+
+    // draw the same into the SVG device
+    SVGDummyDevice dev;
+    QPainter pdev( &dev );
+    playPaint( &pdev, type );
+    pdev.end();
+
+
+    //dev.setBoundingRect( QRect( 0, 0, 100, 100 ) );
+    //dev.save( type + "-res.svg" ); // ### sets bounding rect to 0 !
+
+    // replay on a result pixmap and compare
+    QPixmap res( 100, 100 );
+    res.fill( Qt::white );
+    QPainter pres( &res );
+    static_cast<QSVGPaintEngine *>(dev.engine())->play( &pres );
+
+#if 0
+    // for visual inspection
+    ref.save( type + "-ref.xpm", "XPM" );
+    res.save( type + "-res.xpm", "XPM" );
+#endif
+
+    QVERIFY( res.convertToImage() == ref.convertToImage() );
+}
+
+// helper function for play()
+void tst_QSvgDevice::playPaint( QPainter *p, const QString &type )
+{
+    if ( type == "lines" ) {
+	// line with pen width 0
+	p->setPen( QPen( Qt::black, 0, Qt::SolidLine ) );
+	p->drawLine( 10, 0, 20, 3 );
+
+	// line with pen width 1
+	p->setPen( QPen( Qt::black, 1, Qt::SolidLine ) );
+	p->drawLine( 2, 0, 10, 3 );
+
+	// rect without outline (qt-bugs/arc-17/35556)
+	p->setPen( Qt::NoPen );
+	p->setBrush( Qt::red );
+	p->drawRect( 5, 10, 20, 30 );
+    } else if ( type == "text" ) {
+	QFont f = p->font();
+	f.setItalic( TRUE );
+	f.setBold( TRUE );
+	p->setFont( f );
+	p->drawText( 5, 55, "Text" );
+    } else if ( type == "polyline" ) {
+	// we'll draw 4 triangular polylines. Only two will show up
+	// as the QPainter::drawPolyline() doesn't respect the brush
+	// just the pen setting
+	QPolygon pa( 3 );
+	pa.setPoint( 0, 0, 0 );
+	pa.setPoint( 1, 10, 0 );
+	pa.setPoint( 2, 0, 10 );
+
+	// frame around the following 4 polylines
+	p->setBrush( Qt::NoBrush );
+	p->setPen( Qt::SolidLine );
+	p->drawRect( 46, 3, 19, 60 );
+
+	// polyline with blue brush, no pen
+	p->setPen( Qt::NoPen );
+	p->setBrush( Qt::blue );
+	p->translate( 50, 5 );
+	p->drawPolyline( pa );
+
+	// polyline without brush, no pen
+	p->setBrush( Qt::NoBrush );
+	p->translate( 0, 15 );
+	p->drawPolyline( pa );
+
+	// polyline with green brush, solid pen
+	p->setBrush( Qt::green );
+	p->setPen( Qt::SolidLine );
+	p->translate( 0, 15 );
+	p->drawPolyline( pa );
+
+	// polyline without brush, solid pen
+	p->setBrush( Qt::NoBrush );
+	p->setPen( Qt::SolidLine );
+	p->translate( 0, 15 );
+	p->drawPolyline( pa );
+    } else if ( type == "translate" ) {
+	p->translate(-10,-10);
+	p->save();
+	p->setBrush( Qt::blue );
+	p->drawRect( 20, 30, 50, 20 );
+	p->restore();
+	p->setBrush( Qt::green );
+	p->drawRect( 70, 50, 10, 10 );
+    } else if ( type == "scaleRect" ) {
+	p->scale( 1, 2 );
+	p->setBrush( Qt::blue );
+	p->drawRect( 20, 20, 60, 60 );
+    } else if ( type == "ellipseEven" ) {
+	p->setBrush( Qt::blue );
+	p->drawEllipse( 20, 20, 60, 60 );
+    } else if ( type == "ellipseOdd" ) {
+	p->setBrush( Qt::blue );
+	p->drawEllipse( 20, 20, 59, 59 );
+    } else if ( type == "ellipseRandom" ) {
+	p->setBrush( Qt::blue );
+	p->drawEllipse( 20, 34, 89, 123 );
+    } else if ( type == "scaleText" ) {
+	p->scale(0.25,0.25);
+	p->drawText(200,200,"Hello!");
+    } else if ( type == "scaleTextWithFont" ) {
+	p->setFont(QFont("Helvetica",12));
+	p->scale(0.25,0.25);
+	p->drawText(200,200,"Hello!");
+#ifdef Q_WS_WIN
+    // Only test on Windows for now, visually it looks fine, but
+    // it's failing for some reason on Linux
+    } else if ( type == "scaleTextSaveRestore" ) {
+        p->scale(1,-1);
+	p->save();
+	p->setFont(QFont("Helvetica",12));
+	p->scale(0.5,0.5);
+	p->drawText(0,0,"Hello!");
+	p->restore();
+#endif
+    } else if ( type == "scaleLineWithPen" ) {
+        p->scale(0.1,0.1);
+	p->setPen(QPen(Qt::red,100));
+	p->drawLine(3,3,500,500);
+    } else if ( type == "task-17637" ) {
+	p->translate(0,200);
+	p->scale(0.01,-0.01);
+	p->setBrush(Qt::blue);
+	p->drawEllipse(2000,2000,6000,6000);
+	p->setPen(QPen(Qt::red,100));
+	p->setFont(QFont("Helvetica",12));
+	p->save();
+	p->scale(1,-1);
+	p->drawText(4000,4000,"Hello!");
+	p->restore();
+	p->drawLine(3000,3000,5000,5000);
+    } else if ( type == "dashed-lines" ) {
+	p->setPen(QPen(Qt::red, 1, Qt::DashLine));
+	p->drawLine(10,10,50,50);
+    } else if ( type == "dot-lines" ) {
+	p->setPen(QPen(Qt::red, 1, Qt::DotLine));
+	p->drawLine(10,10,50,50);
+    } else if ( type == "dashed-dot-lines" ) {
+	p->setPen(QPen(Qt::red, 1, Qt::DashDotLine));
+	p->drawLine(10,10,50,50);
+    } else if ( type == "dashed-dot-dot-lines" ) {
+	p->setPen(QPen(Qt::red, 1, Qt::DashDotDotLine));
+	p->drawLine(10,10,50,50);
+    } else if ( type == "scaleDashed-lines" ) {
+	p->scale(0.1,0.1);
+	p->setPen(QPen(Qt::red, 10, Qt::DashLine));
+	p->drawLine(10,10,500,500);
+    } else if ( type == "thick-dashed-lines" ) {
+	p->setPen(QPen(Qt::red, 10, Qt::DashLine));
+	p->drawLine(10,10,50,50);
+    } else if ( type == "negative-rect" ) {
+	p->drawRect(70, 0,-30,30);
+    } else if ( type == "lightText" ) {
+	QFont f("Helvetica",12);
+	f.setWeight( QFont::Light );
+	p->setFont(f);
+	p->drawText(0,0,"Hello!");
+    } else if ( type == "boldText" ) {
+	QFont f("Helvetica",12);
+	f.setWeight( QFont::Bold );
+	p->setFont(f);
+	p->drawText(0,0,"Hello!");
+    } else if ( type == "demiBoldText" ) {
+	QFont f("Helvetica",12);
+	f.setWeight( QFont::DemiBold );
+	p->setFont(f);
+	p->drawText(0,0,"Hello!");
+    } else if ( type == "blackText" ) {
+	QFont f("Helvetica",12);
+	f.setWeight( QFont::Black );
+	p->setFont(f);
+	p->drawText(0,0,"Hello!");
+    } else if ( type == "task-20239" ) {
+        p->translate(0,200);
+	p->scale(0.02,-0.02);
+	p->scale(1,-1);
+	for(int y = 1000; y <=10000; y += 2000) {
+	    QBrush br(Qt::green);
+	    QPalette palette(Qt::green,Qt::blue);
+	    qDrawShadePanel(p,4000,5000,4000,2000,palette.active(),false,200,&br);
+	    qDrawShadeRect(p,2000,2000,4000,2000,palette.active(),true,100,0,&br);
+	}
+    } else if (type=="clipRect") {
+	p->setClipRect(15,25,10,10);
+	p->drawEllipse(10,20,50,70);
+    } else if (type=="multipleClipRects") {
+	p->setClipRect(15,25,10,10);
+	p->drawEllipse(10,20,50,70);
+	p->setClipRect(100,200,20,20);
+	p->drawEllipse(110,220,50,70);
+    } else if (type == "qsimplerichtext") {
+	p->setPen(QColor(0,0,0));
+        p->setBrush(Qt::NoBrush);
+        QRect rect1(10, 10, 100, 50);
+        QRect rect2(200, 20, 80, 50);
+        p->drawRect(10, 10, 100, 50);
+        p->drawRect(200, 20, 80, 50);
+
+        QSimpleRichText text1("Text 1", QApplication::font());
+        QSimpleRichText text2("Text 2", QApplication::font());
+
+        QColorGroup cg(Qt::black, Qt::red, Qt::gray, Qt::gray, Qt::gray, Qt::black, Qt::blue, Qt::black, Qt::white);
+        text1.draw(p, rect1.x(), rect1.y(), rect1, cg);
+        text2.draw(p, rect2.x(), rect2.y(), rect2, cg);
+    }
+}
+
+void tst_QSvgDevice::boundingRect()
+{
+    // ### the bounding rect is only calculated/parsed
+    // ### when replaying. Therefore we go through QPicture.
+    QRect r( 10, 20, 30, 40 );
+    // create document
+    QPicture pic;
+    QPainter p( &pic );
+    p.drawRect( r );
+    p.end();
+    pic.save( "tmp.svg", "svg" );
+    // load it
+    QPicture pic2;
+    pic2.load( "tmp.svg", "svg" );
+    QCOMPARE( pic2.boundingRect(), r );
+}
+
+#else
+
+void tst_QSvgDevice::play()
+{
+    QSKIP("This test needs some redoing, this is just a temp measure until I work it out", SkipAll);
+}
+
+void tst_QSvgDevice::boundingRect()
+{
+    QSKIP("This test needs some redoing, this is just a temp measure until I work it out", SkipAll);
+}
+
+#endif
+
+QTEST_MAIN(tst_QSvgDevice)
+#include "tst_qsvgdevice.moc"