Qt.git - Qt s a cross-platform application framework that is used for developing application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while still being a native application with native capabilities and speed.

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author	Rhys Weatherley <rhys.weatherley@nokia.com>	2009-09-06 23:17:08 (GMT)
committer	Rhys Weatherley <rhys.weatherley@nokia.com>	2009-09-06 23:17:08 (GMT)
commit	a470652c5ffadfa039dde48a88348e8314a6bc9a (patch)
tree	0f32d5b6f65e162bb99638f88e6ccc6414209dad /src
parent	d7bae8cd7684dd509fee56415f823b0c19b5d879 (diff)
download	Qt-a470652c5ffadfa039dde48a88348e8314a6bc9a.zip Qt-a470652c5ffadfa039dde48a88348e8314a6bc9a.tar.gz Qt-a470652c5ffadfa039dde48a88348e8314a6bc9a.tar.bz2

Update QGLFormat::operator== to include all fields.

The documentation says "Returns true if all the options of the two QGLFormats are equal", but that's not what it was doing. Reviewed-by: Sarah Smith

Diffstat (limited to 'src')

-rw-r--r--

src/opengl/qgl.cpp

1 files changed, 6 insertions, 1 deletions

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/****************************************************************************
**
** Copyright (C) 2011 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>
#include "../../shared/util.h"

#include <qpainter.h>
#include <qapplication.h>
#include <qwidget.h>
#include <qfontmetrics.h>
#include <qbitmap.h>
#include <qimage.h>
#include <qthread.h>
#include <limits.h>
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
#include <qprinter.h>
#include <math.h>
#ifdef QT3_SUPPORT
#include <q3painter.h>
#endif
#endif
#include <qpaintengine.h>
#include <qdesktopwidget.h>
#include <qpixmap.h>

#include <qpainter.h>

#include <qlabel.h>

#include <qqueue.h>

#include <qgraphicsview.h>
#include <qgraphicsscene.h>
#include <qgraphicsproxywidget.h>
#include <qlayout.h>

#if defined(Q_OS_SYMBIAN)
# define SRCDIR "."
#endif

Q_DECLARE_METATYPE(QLine)
Q_DECLARE_METATYPE(QRect)
Q_DECLARE_METATYPE(QSize)
Q_DECLARE_METATYPE(QPoint)
Q_DECLARE_METATYPE(QPainterPath)

//TESTED_CLASS=
//TESTED_FILES=

class tst_QPainter : public QObject
{
Q_OBJECT

public:
    tst_QPainter();
    virtual ~tst_QPainter();


public slots:
    void init();
    void cleanup();
private slots:
    void getSetCheck();
    void qt_format_text_clip();
    void qt_format_text_boundingRect();
    void drawPixmap_comp_data();
    void drawPixmap_comp();
    void saveAndRestore_data();
    void saveAndRestore();

    void drawBorderPixmap();
    void drawPixmapFragments();

    void drawLine_data();
    void drawLine();
    void drawLine_clipped();
    void drawLine_task121143();
    void drawLine_task216948();

    void drawLine_task190634();
    void drawLine_task229459();
    void drawLine_task234891();

    void drawRect_data() { fillData(); }
    void drawRect();
    void drawRect2();

    void fillRect();
    void fillRect2();
    void fillRect3();
    void fillRect4();

    void drawEllipse_data();
    void drawEllipse();
    void drawClippedEllipse_data();
    void drawClippedEllipse();

    void drawPath_data();
    void drawPath();
    void drawPath2();
    void drawPath3();

    void drawRoundRect_data() { fillData(); }
    void drawRoundRect();

    void qimageFormats_data();
    void qimageFormats();
    void textOnTransparentImage();

    void initFrom();

    void setWindow();

    void combinedMatrix();
    void renderHints();

    void disableEnableClipping();
    void setClipRect();
    void setEqualClipRegionAndPath_data();
    void setEqualClipRegionAndPath();

    void clipRectSaveRestore();

    void clippedFillPath_data();
    void clippedFillPath();
    void clippedLines_data();
    void clippedLines();
    void clippedPolygon_data();
    void clippedPolygon();

    void clippedText();

    void clipBoundingRect();

    void setOpacity_data();
    void setOpacity();

    void drawhelper_blend_untransformed_data();
    void drawhelper_blend_untransformed();
    void drawhelper_blend_tiled_untransformed_data();
    void drawhelper_blend_tiled_untransformed();

    void porterDuff_warning();

    void drawhelper_blend_color();

    void childWidgetViewport();

    void fillRect_objectBoundingModeGradient();
    void fillRect_stretchToDeviceMode();
    void monoImages();

    void linearGradientSymmetry();
    void gradientInterpolation();

    void fpe_pixmapTransform();
    void fpe_zeroLengthLines();
    void fpe_divByZero();

    void fpe_steepSlopes_data();
    void fpe_steepSlopes();
    void fpe_rasterizeLine_task232012();

    void fpe_radialGradients();

    void rasterizer_asserts();
    void rasterizer_negativeCoords();

    void blendOverFlow_data();
    void blendOverFlow();

    void largeImagePainting_data();
    void largeImagePainting();

    void imageScaling_task206785();

    void outlineFillConsistency();

    void drawImage_task217400_data();
    void drawImage_task217400();
    void drawImage_1x1();
    void drawImage_task258776();
    void drawRect_task215378();
    void drawRect_task247505();

    void drawText_subPixelPositionsInRaster_qtbug5053();

    void drawImage_data();
    void drawImage();

    void clippedImage();

    void stateResetBetweenQPainters();

    void imageCoordinateLimit();
    void imageBlending_data();
    void imageBlending();
    void imageBlending_clipped();

    void paintOnNullPixmap();
    void checkCompositionMode();

    void drawPolygon();

    void inactivePainter();

    void extendedBlendModes();

    void zeroOpacity();
    void clippingBug();
    void emptyClip();

    void taskQT4444_dontOverflowDashOffset();

    void painterBegin();
    void setPenColorOnImage();
    void setPenColorOnPixmap();

    void QTBUG5939_attachPainterPrivate();

    void drawPointScaled();

    void QTBUG14614_gradientCacheRaceCondition();
    void drawTextOpacity();

    void QTBUG17053_zeroDashPattern();

private:
    void fillData();
    void setPenColor(QPainter& p);
    QColor baseColor( int k, int intensity=255 );
    QImage getResImage( const QString &dir, const QString &addition, const QString &extension );
    QBitmap getBitmap( const QString &dir, const QString &filename, bool mask );
};

// Testing get/set functions
void tst_QPainter::getSetCheck()
{
    QImage img(QSize(10, 10), QImage::Format_ARGB32_Premultiplied);
    QPainter obj1;
    obj1.begin(&img);
    // CompositionMode QPainter::compositionMode()
    // void QPainter::setCompositionMode(CompositionMode)
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_SourceOver));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_SourceOver), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_DestinationOver));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_DestinationOver), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_Clear));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_Clear), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_Source));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_Source), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_Destination));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_Destination), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_SourceIn));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_SourceIn), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_DestinationIn));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_DestinationIn), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_SourceOut));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_SourceOut), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_DestinationOut));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_DestinationOut), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_SourceAtop));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_SourceAtop), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_DestinationAtop));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_DestinationAtop), obj1.compositionMode());
    obj1.setCompositionMode(QPainter::CompositionMode(QPainter::CompositionMode_Xor));
    QCOMPARE(QPainter::CompositionMode(QPainter::CompositionMode_Xor), obj1.compositionMode());

    // const QPen & QPainter::pen()
    // void QPainter::setPen(const QPen &)
    QPen var3(Qt::red);
    obj1.setPen(var3);
    QCOMPARE(var3, obj1.pen());
    obj1.setPen(QPen());
    QCOMPARE(QPen(), obj1.pen());

    // const QBrush & QPainter::brush()
    // void QPainter::setBrush(const QBrush &)
    QBrush var4(Qt::red);
    obj1.setBrush(var4);
    QCOMPARE(var4, obj1.brush());
    obj1.setBrush(QBrush());
    QCOMPARE(QBrush(), obj1.brush());

    // const QBrush & QPainter::background()
    // void QPainter::setBackground(const QBrush &)
    QBrush var5(Qt::yellow);
    obj1.setBackground(var5);
    QCOMPARE(var5, obj1.background());
    obj1.setBackground(QBrush());
    QCOMPARE(QBrush(), obj1.background());

    // bool QPainter::matrixEnabled()
    // void QPainter::setMatrixEnabled(bool)
    obj1.setMatrixEnabled(false);
    QCOMPARE(false, obj1.matrixEnabled());
    obj1.setMatrixEnabled(true);
    QCOMPARE(true, obj1.matrixEnabled());

    // bool QPainter::viewTransformEnabled()
    // void QPainter::setViewTransformEnabled(bool)
    obj1.setViewTransformEnabled(false);
    QCOMPARE(false, obj1.viewTransformEnabled());
    obj1.setViewTransformEnabled(true);
    QCOMPARE(true, obj1.viewTransformEnabled());
}

Q_DECLARE_METATYPE(QPixmap)
Q_DECLARE_METATYPE(QPolygon)
Q_DECLARE_METATYPE(QBrush)
Q_DECLARE_METATYPE(QPen)
Q_DECLARE_METATYPE(QFont)
Q_DECLARE_METATYPE(QColor)
Q_DECLARE_METATYPE(QRegion)

tst_QPainter::tst_QPainter()
{
    // QtTestCase sets this to false, but this turns off alpha pixmaps on Unix.
    QApplication::setDesktopSettingsAware(TRUE);
}

tst_QPainter::~tst_QPainter()
{
}

void tst_QPainter::init()
{
}

void tst_QPainter::cleanup()
{
}

/* tests the clipping operations in qt_format_text, making sure
   the clip rectangle after the call is the same as before
*/
void tst_QPainter::qt_format_text_clip()
{
    QVERIFY(1);
    QSKIP( "Needs fixing...", SkipAll);

    QWidget *w = new QWidget( 0 );

    int modes[] = { Qt::AlignVCenter|Qt::TextSingleLine,
		   Qt::AlignVCenter|Qt::TextSingleLine|Qt::TextDontClip,
		   Qt::AlignVCenter|Qt::TextWordWrap,
		   Qt::AlignVCenter|Qt::TextWordWrap|Qt::TextDontClip,
		   0
    };

    int *m = modes;
    while( *m ) {
	{
	    QPainter p( w );
	    QRegion clipreg = p.clipRegion();
	    bool hasClipping = p.hasClipping();
	    qreal tx = p.matrix().dx();
	    qreal ty = p.matrix().dy();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );

	    p.setClipRect( QRect( 5, 5, 50, 50 ) );
	    clipreg = p.clipRegion();
	    hasClipping = p.hasClipping();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );
	}
	{
	    QPainter p( w );
	    p.setMatrix( QMatrix( 2, 1, 3, 4, 5, 6 ) );
	    QRegion clipreg = p.clipRegion();
	    bool hasClipping = p.hasClipping();
	    qreal tx = p.matrix().dx();
	    qreal ty = p.matrix().dy();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );

	    p.setClipRect( QRect( 5, 5, 50, 50 ) );
	    clipreg = p.clipRegion();
	    hasClipping = p.hasClipping();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );
	}
	{
	    QPainter p( w );
	    QRegion clipreg = p.clipRegion();
	    bool hasClipping = p.hasClipping();
	    qreal tx = p.matrix().dx();
	    qreal ty = p.matrix().dy();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );

	    p.setClipRect( QRect( 5, 5, 50, 50 ));
	    clipreg = p.clipRegion();
	    hasClipping = p.hasClipping();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );
	}
	{
	    QPainter p( w );
	    p.setMatrix( QMatrix( 2, 1, 3, 4, 5, 6 ) );
	    QRegion clipreg = p.clipRegion();
	    bool hasClipping = p.hasClipping();
	    qreal tx = p.matrix().dx();
	    qreal ty = p.matrix().dy();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );

	    p.setClipRect(QRect( 5, 5, 50, 50 ));
	    clipreg = p.clipRegion();
	    hasClipping = p.hasClipping();

	    p.drawText( 10, 10, 100, 100, *m,
			"fooo" );

	    QVERIFY( clipreg == p.clipRegion() );
	    QVERIFY( hasClipping == p.hasClipping() );
	    QCOMPARE( tx, p.matrix().dx() );
	    QCOMPARE( ty, p.matrix().dy() );
	}
	++m;
    }
    delete w;
}

/* tests the bounding rect calculations in qt_format_text, making sure
   the bounding rect has a reasonable value.
*/
void tst_QPainter::qt_format_text_boundingRect()
{
    QVERIFY(1);
    QSKIP( "Needs fixing...", SkipAll);

    {
	const char * strings[] = {
	    "a\n\nb",
	    "abc",
	    "a\n \nb",
	    "this is a longer string",
	    "\327\222\327\223\327\233\327\223\327\222\327\233\327\222\327\223\327\233",
	    "aa\327\222\327\233aa",
	    "\327\222\327\223\327\233\327\223\327\222\327\233\327\222\327\223\327\233",
	    "\327\222\327\233aa",
	    "linebreakatend\n",
	    "some text longer than 30 chars with a line break at the end\n",
	    "some text\nwith line breaks\nin the middle\nand at the end\n",
	    "foo\n\n\nfoo",
	    0
	};

	int modes[] = { Qt::AlignVCenter|Qt::TextSingleLine,
			Qt::AlignVCenter|Qt::TextSingleLine|Qt::TextDontClip,
			Qt::AlignVCenter|Qt::TextWordWrap,
			Qt::AlignVCenter|Qt::TextWordWrap|Qt::TextDontClip,
			Qt::AlignLeft,
			Qt::AlignCenter,
			Qt::AlignRight,
			0
	};

	QFont f;
	for(int i = 5; i < 15; ++i) {
	    f.setPointSize(i);
	    QFontMetrics fm(f);
	    const char **str = strings;
	    while( *str ) {
		int *m = modes;
		while( *m ) {
		    QRect br = fm.boundingRect( 0, 0, 2000, 100, *m, QString::fromUtf8( *str ) );
		    QVERIFY( br.width() < 800 );

		    QRect br2 = fm.boundingRect( br.x(), br.y(), br.width(), br.height(), *m, QString::fromUtf8( *str ) );
		    QCOMPARE( br, br2 );
#if 0
		    {
			QPrinter printer;
			printer.setOutputToFile(TRUE);
			printer.setOutputFileName("tmp.prn");
			QPainter p(&printer);
			QRect pbr = p.fontMetrics().boundingRect( 0, 0, 2000, 100, *m, QString::fromUtf8( *str ) );
			QCOMPARE(pbr, br);
		    }
#endif
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
		    {
			QPrinter printer(QPrinter::HighResolution);
			if (printer.printerName().isEmpty()) {
			    QSKIP( "No printers installed, skipping bounding rect test",
				  SkipSingle );
			    break;
			}

			printer.setOutputFileName("tmp.prn");
			QPainter p(&printer);
			QRect pbr = p.fontMetrics().boundingRect( 0, 0, 12000, 600, *m, QString::fromUtf8( *str ) );
			QVERIFY(pbr.width() > 2*br.width());
			QVERIFY(pbr.height() > 2*br.height());
		    }
#endif
		    ++m;
		}
		++str;
	    }
	}
    }

    {
	const char * strings[] = {
	    "a",
	    "a\nb",
	    "a\n\nb",
	    "abc",
//	    "a\n \nb",
	    "this is a longer string",
//	    "\327\222\327\223\327\233\327\223\327\222\327\233\327\222\327\223\327\233",
//	    "aa\327\222\327\233aa",
//	    "\327\222\327\223\327\233\327\223\327\222\327\233\327\222\327\223\327\233",
//	    "\327\222\327\233aa",
//	    "linebreakatend\n",
//	    "some text longer than 30 chars with a line break at the end\n",
//	    "some text\nwith line breaks\nin the middle\nand at the end\n",
	    "foo\n\n\nfoo",
	    "a\n\n\n\n\nb",
	    "a\n\n\n\n\n\nb",
//	    "\347\231\273\351\214\262\346\203\205\345\240\261\343\201\214\350\246\213\343\201\244\343\201\213\343\202\211\343\201\252\343\201\204\343\201\213\347\204\241\345\212\271\343\201\252\343\201\237\343\202\201\343\200\201\nPhotoshop Album \343\202\222\350\265\267\345\213\225\343\201\247\343\201\215\343\201\276\343\201\233\343\202\223\343\200\202\345\206\215\343\202\244\343\203\263\343\202\271\343\203\210\343\203\274\343\203\253\343\201\227\343\201\246\343\201\217\343\201\240\343\201\225\343\201\204\343\200\202"
//	    "\347\231\273\351\214\262\346\203\205\345\240\261\343\201\214\350\246\213\343\201\244\343\201\213\343\202\211\343\201\252\343\201\204\343\201\213\347\204\241\345\212\271\343\201\252\343\201\237\343\202\201\343\200\201\n\343\202\222\350\265\267\345\213\225\343\201\247\343\201\215\343\201\276\343\201\233\343\202\223\343\200\202\345\206\215\343\202\244\343\203\263\343\202\271\343\203\210\343\203\274\343\203\253\343\201\227\343\201\246\343\201\217\343\201\240\343\201\225\343\201\204\343\200\202",
	    0
	};

	int modes[] = { Qt::AlignVCenter,
			Qt::AlignLeft,
			Qt::AlignCenter,
			Qt::AlignRight,
			0
	};


	QFont f;
	for(int i = 5; i < 15; ++i) {
	    f.setPointSize(i);
	    QFontMetrics fm(f);
	    const char **str = strings;
	    while( *str ) {
		int *m = modes;
		while( *m ) {
		    QString s = QString::fromUtf8(*str);
		    QRect br = fm.boundingRect(0, 0, 1000, 1000, *m, s );
		    int lines =
		    s.count("\n");
		    int expectedHeight = fm.height()+lines*fm.lineSpacing();
		    QCOMPARE(br.height(), expectedHeight);
		    ++m;
		}
		++str;
	    }
	    QRect br = fm.boundingRect(0, 0, 100, 0, Qt::TextWordWrap,
		 "A paragraph with gggggggggggggggggggggggggggggggggggg in the middle.");
	    QVERIFY(br.height() >= fm.height()+2*fm.lineSpacing());
	}
    }
}


static const char* const maskSource_data[] = {
"16 13 6 1",
". c None",
"d c #000000",
"# c #999999",
"c c #cccccc",
"b c #ffff00",
"a c #ffffff",
"...#####........",
"..#aaaaa#.......",
".#abcbcba######.",
".#acbcbcaaaaaa#d",
".#abcbcbcbcbcb#d",
"#############b#d",
"#aaaaaaaaaa##c#d",
"#abcbcbcbcbbd##d",
".#abcbcbcbcbcd#d",
".#acbcbcbcbcbd#d",
"..#acbcbcbcbb#dd",
"..#############d",
"...ddddddddddddd"};

static const char* const maskResult_data[] = {
"16 13 6 1",
". c #ff0000",
"d c #000000",
"# c #999999",
"c c #cccccc",
"b c #ffff00",
"a c #ffffff",
"...#####........",
"..#aaaaa#.......",
".#abcbcba######.",
".#acbcbcaaaaaa#d",
".#abcbcbcbcbcb#d",
"#############b#d",
"#aaaaaaaaaa##c#d",
"#abcbcbcbcbbd##d",
".#abcbcbcbcbcd#d",
".#acbcbcbcbcbd#d",
"..#acbcbcbcbb#dd",
"..#############d",
"...ddddddddddddd"};


void tst_QPainter::drawPixmap_comp_data()
{
    if (qApp->desktop()->depth() < 24) {
        QSKIP("Test only works on 32 bit displays", SkipAll);
        return;
    }

    QTest::addColumn<uint>("dest");
    QTest::addColumn<uint>("source");

    QTest::newRow("0% on 0%, 1")           << 0x00000000u<< 0x00000000u;
    QTest::newRow("0% on 0%, 2")           << 0x00007fffu << 0x00ff007fu;

    QTest::newRow("50% on a=0%")           << 0x00000000u << 0x7fff0000u;
    QTest::newRow("50% on a=50%")          << 0x7f000000u << 0x7fff0000u;
    QTest::newRow("50% on deadbeef")      << 0xdeafbeefu <<  0x7fff0000u;
    QTest::newRow("deadbeef on a=0%")      << 0x00000000u << 0xdeadbeefu;
    QTest::newRow("deadbeef on a=50%")     << 0x7f000000u << 0xdeadbeefu;
    QTest::newRow("50% blue on 50% red")   << 0x7fff0000u << 0x7f0000ffu;
    QTest::newRow("50% blue on 50% green") << 0x7f00ff00u << 0x7f0000ffu;
    QTest::newRow("50% red on 50% green")  << 0x7f00ff00u << 0x7fff0000u;
    QTest::newRow("0% on 50%")             << 0x7fff00ffu << 0x00ffffffu;
    QTest::newRow("100% on deadbeef")      << 0xdeafbeefu << 0xffabcdefu;
    QTest::newRow("100% on a=0%")           << 0x00000000u << 0xffabcdefu;
}

QRgb qt_compose_alpha(QRgb source, QRgb dest)
{
    int r1 = qRed(dest), g1 = qGreen(dest), b1 = qBlue(dest), a1 = qAlpha(dest);
    int r2 = qRed(source), g2 = qGreen(source), b2 = qBlue(source), a2 = qAlpha(source);

    int alpha = qMin(a2 + ((255 - a2) * a1 + 127) / 255, 255);
    if (alpha == 0)
        return qRgba(0, 0, 0, 0);

    return qRgba(
        qMin((r2 * a2 + (255 - a2) * r1 * a1 / 255) / alpha, 255),
        qMin((g2 * a2 + (255 - a2) * g1 * a1 / 255) / alpha, 255),
        qMin((b2 * a2 + (255 - a2) * b1 * a1 / 255) / alpha, 255),
        alpha);
}

/* Tests that drawing masked pixmaps works
*/
void tst_QPainter::drawPixmap_comp()
{
#ifdef Q_WS_MAC
    QSKIP("Mac has other ideas about alpha composition", SkipAll);
#endif

    QFETCH(uint, dest);
    QFETCH(uint, source);

    QRgb expected = qt_compose_alpha(source, dest);

    QColor c1(qRed(dest), qGreen(dest), qBlue(dest), qAlpha(dest));
    QColor c2(qRed(source), qGreen(source), qBlue(source), qAlpha(source));

    QPixmap destPm(10, 10), srcPm(10, 10);
    destPm.fill(c1);
    srcPm.fill(c2);

#if defined(Q_WS_X11)
    if (!destPm.x11PictureHandle())
        QSKIP("Requires XRender support", SkipAll);
#endif

    QPainter p(&destPm);
    p.drawPixmap(0, 0, srcPm);
    p.end();

    QImage result = destPm.toImage().convertToFormat(QImage::Format_ARGB32);
    bool different = false;
    for (int y=0; y<result.height(); ++y)
        for (int x=0; x<result.width(); ++x) {
	    bool diff;
            if (qAlpha(expected) == 0) {
                diff = qAlpha(result.pixel(x, y)) != 0;
            } else {
                // Compensate for possible roundoff / platform fudge
                int off = 1;
                QRgb pix = result.pixel(x, y);
                diff = (qAbs(qRed(pix) - qRed(expected)) > off)
                             || (qAbs(qGreen(pix) - qGreen(expected)) > off)
                             || (qAbs(qBlue(pix) - qBlue(expected)) > off)
                             || (qAbs(qAlpha(pix) - qAlpha(expected)) > off);
            }
	    if (diff && !different)
		qDebug( "Different at %d,%d pixel [%d,%d,%d,%d] expected [%d,%d,%d,%d]", x, y,
                        qRed(result.pixel(x, y)), qGreen(result.pixel(x, y)),
                        qBlue(result.pixel(x, y)), qAlpha(result.pixel(x, y)),
                        qRed(expected), qGreen(expected), qBlue(expected), qAlpha(expected));
	    different |= diff;
        }

    QVERIFY(!different);
}

void tst_QPainter::saveAndRestore_data()
{
    QVERIFY(1);

    QTest::addColumn<QFont>("font");
    QTest::addColumn<QPen>("pen");
    QTest::addColumn<QBrush>("brush");
    QTest::addColumn<QColor>("backgroundColor");
    QTest::addColumn<int>("backgroundMode");
    QTest::addColumn<QPoint>("brushOrigin");
    QTest::addColumn<QRegion>("clipRegion");
    QTest::addColumn<QRect>("window");
    QTest::addColumn<QRect>("viewport");

    QPixmap pixmap(1, 1);
    QPainter p(&pixmap);
    QFont font = p.font();
    QPen pen = p.pen();
    QBrush brush = p.brush();
    QColor backgroundColor = p.background().color();
    Qt::BGMode backgroundMode = p.backgroundMode();
    QPoint brushOrigin = p.brushOrigin();
    QRegion clipRegion = p.clipRegion();
    QRect window = p.window();
    QRect viewport = p.viewport();

    QTest::newRow("Original") << font << pen << brush << backgroundColor << int(backgroundMode)
	    << brushOrigin << clipRegion << window << viewport;

    QFont font2 = font;
    font2.setPointSize( 24 );
    QTest::newRow("Modified font.pointSize, brush, backgroundColor, backgroundMode")
            << font2 << pen << QBrush(Qt::red) << QColor(Qt::blue) << int(Qt::TransparentMode)
	    << brushOrigin << clipRegion << window << viewport;

    font2 = font;
    font2.setPixelSize( 20 );
    QTest::newRow("Modified font.pixelSize, brushOrigin, pos")
            << font2 << pen << brush << backgroundColor << int(backgroundMode)
	    << QPoint( 50, 32 ) << clipRegion << window << viewport;

    QTest::newRow("Modified clipRegion, window, viewport")
            << font << pen << brush << backgroundColor << int(backgroundMode)
	    << brushOrigin << clipRegion.subtracted(QRect(10,10,50,30))
	    << QRect(-500, -500, 500, 500 ) << QRect( 0, 0, 50, 50 );
}

void tst_QPainter::saveAndRestore()
{
    QFETCH( QFont, font );
    QFETCH( QPen, pen );
    QFETCH( QBrush, brush );
    QFETCH( QColor, backgroundColor );
    QFETCH( int, backgroundMode );
    QFETCH( QPoint, brushOrigin );
    QFETCH( QRegion, clipRegion );
    QFETCH( QRect, window );
    QFETCH( QRect, viewport );

    QPixmap pixmap(1, 1);
    QPainter painter(&pixmap);

    QFont font_org = painter.font();
    QPen pen_org = painter.pen();
    QBrush brush_org = painter.brush();
    QColor backgroundColor_org = painter.background().color();
    Qt::BGMode backgroundMode_org = painter.backgroundMode();
    QPoint brushOrigin_org = painter.brushOrigin();
    QRegion clipRegion_org = painter.clipRegion();
    QRect window_org = painter.window();
    QRect viewport_org = painter.viewport();

    painter.save();
    painter.setFont( font );
    painter.setPen( QPen(pen) );
    painter.setBrush( brush );
    painter.setBackground( backgroundColor );
    painter.setBackgroundMode( (Qt::BGMode)backgroundMode );
    painter.setBrushOrigin( brushOrigin );
    painter.setClipRegion( clipRegion );
    painter.setWindow( window );
    painter.setViewport( viewport );
    painter.restore();

    QCOMPARE( painter.font(), font_org );
    QCOMPARE( painter.font().pointSize(), font_org.pointSize() );
    QCOMPARE( painter.font().pixelSize(), font_org.pixelSize() );
    QCOMPARE( painter.pen(), pen_org );
    QCOMPARE( painter.brush(), brush_org );
    QCOMPARE( painter.background().color(), backgroundColor_org );
    QCOMPARE( painter.backgroundMode(), backgroundMode_org );
    QCOMPARE( painter.brushOrigin(), brushOrigin_org );
    QCOMPARE( painter.clipRegion(), clipRegion_org );
    QCOMPARE( painter.window(), window_org );
    QCOMPARE( painter.viewport(), viewport_org );
}

/*
   Helper functions
*/

QColor tst_QPainter::baseColor( int k, int intensity )
{
    int r = ( k & 1 ) * intensity;
    int g = ( (k>>1) & 1 ) * intensity;
    int b = ( (k>>2) & 1 ) * intensity;
    return QColor( r, g, b );
}

QImage tst_QPainter::getResImage( const QString &dir, const QString &addition, const QString &extension )
{
    QImage res;
    QString resFilename  = dir + QString( "/res_%1." ).arg( addition ) + extension;
    if ( !res.load( resFilename ) ) {
        QWARN(QString("Could not load result data %s %1").arg(resFilename).toLatin1());
        return QImage();
    }
    return res;
}

QBitmap tst_QPainter::getBitmap( const QString &dir, const QString &filename, bool mask )
{
    QBitmap bm;
    QString bmFilename = dir + QString( "/%1.xbm" ).arg( filename );
    if ( !bm.load( bmFilename ) ) {
        QWARN(QString("Could not load bitmap '%1'").arg(bmFilename).toLatin1());
        return QBitmap();
    }
    if ( mask ) {
	QBitmap mask;
	QString maskFilename = dir + QString( "/%1-mask.xbm" ).arg( filename );
	if ( !mask.load( maskFilename ) ) {
        QWARN(QString("Could not load mask '%1'").arg(maskFilename).toLatin1());
        return QBitmap();
	}
	bm.setMask( mask );
    }
    return bm;
}

static int getPaintedPixels(const QImage &image, const QColor &background)
{
    uint color = background.rgba();

    int pixels = 0;

    for (int y = 0; y < image.height(); ++y)
        for (int x = 0; x < image.width(); ++x)
            if (image.pixel(x, y) != color)
                ++pixels;

    return pixels;
}

static QRect getPaintedSize(const QImage &image, const QColor &background)
{
    // not the fastest but at least it works..
    int xmin = image.width() + 1;
    int xmax = -1;
    int ymin = image.height() +1;
    int ymax = -1;

    uint color = background.rgba();

    for ( int y = 0; y < image.height(); ++y ) {
	for ( int x = 0; x < image.width(); ++x ) {
            QRgb pixel = image.pixel( x, y );
	    if ( pixel != color && x < xmin )
		xmin = x;
	    if ( pixel != color && x > xmax )
		xmax = x;
	    if ( pixel != color && y < ymin )
		ymin = y;
	    if ( pixel != color && y > ymax )
		ymax = y;
	}
    }

    return QRect(xmin, ymin, xmax - xmin + 1, ymax - ymin + 1);
}

static QRect getPaintedSize(const QPixmap &pm, const QColor &background)
{
    return getPaintedSize(pm.toImage(), background);
}

void tst_QPainter::initFrom()
{
    QWidget *widget = new QWidget();
    QPalette pal = widget->palette();
    pal.setColor(QPalette::Foreground, QColor(255, 0, 0));
    pal.setBrush(QPalette::Background, QColor(0, 255, 0));
    widget->setPalette(pal);

    QFont font = widget->font();
    font.setPointSize(26);
    font.setItalic(true);
    widget->setFont(font);

    QPixmap pm(100, 100);
    QPainter p(&pm);
    p.initFrom(widget);

    QCOMPARE(p.font(), font);
    QCOMPARE(p.pen().color(), pal.color(QPalette::Foreground));
    QCOMPARE(p.background(), pal.background());

    delete widget;
}

void tst_QPainter::drawBorderPixmap()
{
    QPixmap src(79,79);
    src.fill(Qt::transparent);

    QImage pm(200,200,QImage::Format_RGB32);
    QPainter p(&pm);
    p.setTransform(QTransform(-1,0,0,-1,173.5,153.5));
    qDrawBorderPixmap(&p, QRect(0,0,75,105), QMargins(39,39,39,39), src, QRect(0,0,79,79), QMargins(39,39,39,39),
                       QTileRules(Qt::StretchTile,Qt::StretchTile), 0);
}

void tst_QPainter::drawPixmapFragments()
{
    QPixmap origPixmap(20, 20);
    QPixmap resPixmap(20, 20);
    QPainter::PixmapFragment fragments[4] = { {15, 15,  0,  0, 10, 10, 1, 1, 0, 1},
                                              { 5, 15, 10,  0, 10, 10, 1, 1, 0, 1},
                                              {15,  5,  0, 10, 10, 10, 1, 1, 0, 1},
                                              { 5,  5, 10, 10, 10, 10, 1, 1, 0, 1} };
    {
        QPainter p(&origPixmap);
        p.fillRect(0, 0, 10, 10, Qt::red);
        p.fillRect(10, 0, 10, 10, Qt::green);
        p.fillRect(0, 10, 10, 10, Qt::blue);
        p.fillRect(10, 10, 10, 10, Qt::yellow);
    }
    {
        QPainter p(&resPixmap);
        p.drawPixmapFragments(fragments, 4, origPixmap);
    }

    QImage origImage = origPixmap.toImage().convertToFormat(QImage::Format_ARGB32);
    QImage resImage = resPixmap.toImage().convertToFormat(QImage::Format_ARGB32);

    QVERIFY(resImage.size() == resPixmap.size());
    QVERIFY(resImage.pixel(5, 5) == origImage.pixel(15, 15));
    QVERIFY(resImage.pixel(5, 15) == origImage.pixel(15, 5));
    QVERIFY(resImage.pixel(15, 5) == origImage.pixel(5, 15));
    QVERIFY(resImage.pixel(15, 15) == origImage.pixel(5, 5));


    QPainter::PixmapFragment fragment = QPainter::PixmapFragment::create(QPointF(20, 20), QRectF(30, 30, 2, 2));
    QVERIFY(fragment.x == 20);
    QVERIFY(fragment.y == 20);
    QVERIFY(fragment.sourceLeft == 30);
    QVERIFY(fragment.sourceTop == 30);
    QVERIFY(fragment.width == 2);
    QVERIFY(fragment.height == 2);
    QVERIFY(fragment.scaleX == 1);
    QVERIFY(fragment.scaleY == 1);
    QVERIFY(fragment.rotation == 0);
    QVERIFY(fragment.opacity == 1);
}

void tst_QPainter::drawLine_data()
{
    QTest::addColumn<QLine>("line");

    QTest::newRow("0-45") << QLine(0, 20, 100, 0);
    QTest::newRow("45-90") << QLine(0, 100, 20, 0);
    QTest::newRow("90-135") << QLine(20, 100, 0, 0);
    QTest::newRow("135-180") << QLine(100, 20, 0, 0);
    QTest::newRow("180-225") << QLine(100, 0, 0, 20);
    QTest::newRow("225-270") << QLine(20, 0, 0, 100);
    QTest::newRow("270-315") << QLine(0, 0, 20, 100);
    QTest::newRow("315-360") << QLine(0, 0, 100, 20);
}

void tst_QPainter::drawLine()
{
    const int offset = 5;
    const int epsilon = 1; // allow for one pixel difference

    QFETCH(QLine, line);

    QPixmap pixmapUnclipped(qMin(line.x1(), line.x2())
                            + 2*offset + qAbs(line.dx()),
                            qMin(line.y1(), line.y2())
                            + 2*offset + qAbs(line.dy()));

    { // unclipped
        pixmapUnclipped.fill(Qt::white);
        QPainter p(&pixmapUnclipped);
        p.translate(offset, offset);
        p.setPen(QPen(Qt::black));
        p.drawLine(line);
        p.end();

        const QRect painted = getPaintedSize(pixmapUnclipped, Qt::white);

        QLine l = line;
        l.translate(offset, offset);
        QVERIFY(qAbs(painted.width() - qAbs(l.dx())) <= epsilon);
        QVERIFY(qAbs(painted.height() - qAbs(l.dy())) <= epsilon);
        QVERIFY(qAbs(painted.top() - qMin(l.y1(), l.y2())) <= epsilon);
        QVERIFY(qAbs(painted.left() - qMin(l.x1(), l.x2())) <= epsilon);
        QVERIFY(qAbs(painted.bottom() - qMax(l.y1(), l.y2())) <= epsilon);
        QVERIFY(qAbs(painted.right() - qMax(l.x1(), l.x2())) <= epsilon);
    }

    QPixmap pixmapClipped(qMin(line.x1(), line.x2())
                          + 2*offset + qAbs(line.dx()),
                          qMin(line.y1(), line.y2())
                          + 2*offset + qAbs(line.dy()));
    { // clipped
        const QRect clip = QRect(line.p1(), line.p2()).normalized();

        pixmapClipped.fill(Qt::white);
        QPainter p(&pixmapClipped);
        p.translate(offset, offset);
        p.setClipRect(clip);
        p.setPen(QPen(Qt::black));
        p.drawLine(line);
        p.end();
    }

    const QImage unclipped = pixmapUnclipped.toImage();
    const QImage clipped = pixmapClipped.toImage();
    QCOMPARE(unclipped, clipped);
}

void tst_QPainter::drawLine_clipped()
{
    QImage image(16, 1, QImage::Format_ARGB32_Premultiplied);
    image.fill(0x0);

    QPainter p(&image);
    p.setPen(QPen(Qt::black, 10));

    // this should fill the whole image
    p.drawLine(-1, -1, 17, 1);
    p.end();

    for (int x = 0; x < 16; ++x)
        QCOMPARE(image.pixel(x, 0), 0xff000000);
}

void tst_QPainter::drawLine_task121143()
{
    QPen pen(Qt::black);

    QImage image(5, 5, QImage::Format_ARGB32_Premultiplied);
    image.fill(0xffffffff);
    QPainter p(&image);
    p.setPen(pen);
    p.drawLine(QLine(0, 0+4, 0+4, 0));
    p.end();

    QImage expected(5, 5, QImage::Format_ARGB32_Premultiplied);
    expected.fill(0xffffffff);
    for (int x = 0; x < 5; ++x)
        expected.setPixel(x, 5-x-1, pen.color().rgb());

    QCOMPARE(image, expected);
}

void tst_QPainter::drawLine_task190634()
{
    QPen pen(Qt::black, 3);

    QImage image(32, 32, QImage::Format_ARGB32_Premultiplied);
    QPainter p(&image);
    p.fillRect(0, 0, image.width(), image.height(), Qt::white);

    p.setPen(pen);
    p.drawLine(QLineF(2, -1.6, 10, -1.6));
    p.end();

    const uint *data = reinterpret_cast<uint *>(image.bits());

    for (int i = 0; i < image.width() * image.height(); ++i)
        QCOMPARE(data[i], 0xffffffff);

    p.begin(&image);
    p.fillRect(0, 0, image.width(), image.height(), Qt::white);

    p.setPen(pen);
    p.drawLine(QLineF(-1.6, 2, -1.6, 10));
    p.end();

    data = reinterpret_cast<uint *>(image.bits());

    for (int i = 0; i < image.width() * image.height(); ++i)
        QCOMPARE(data[i], 0xffffffff);

    p.begin(&image);
    p.fillRect(0, 0, image.width(), image.height(), Qt::white);

    p.setPen(pen);
    p.drawLine( QPoint(2,-2), QPoint(3,-5) );
    p.end();

    data = reinterpret_cast<uint *>(image.bits());

    for (int i = 0; i < image.width() * image.height(); ++i)
        QCOMPARE(data[i], 0xffffffff);
}

void tst_QPainter::drawLine_task229459()
{
    QImage image(32, 32, QImage::Format_ARGB32_Premultiplied);
    image.fill(0x0);
    QPen pen(Qt::black, 64);

    QPainter p(&image);
    p.setPen(pen);
    p.drawLine(-8, -8, 10000000, 10000000);
    p.end();

    QImage expected = image;
    expected.fill(0xff000000);

    QCOMPARE(image, expected);
}

void tst_QPainter::drawLine_task234891()
{
    QImage img(100, 1000, QImage::Format_ARGB32_Premultiplied);
    img.fill(0x0);
    QImage expected = img;

    QPainter p(&img);
    p.setPen(QPen(QBrush(QColor(255,0,0)), 6));
    p.drawLine(QPointF(25000,100),QPointF(30000,105));

    p.setPen(QPen(QBrush(QColor(0,255,0)), 6));
    p.drawLine(QPointF(30000,150),QPointF(35000,155));

    p.setPen(QPen(QBrush(QColor(0,0,255)), 6));
    p.drawLine(QPointF(65000,200),QPointF(66000,205));

    QCOMPARE(expected, img);
}

void tst_QPainter::drawLine_task216948()
{
    QImage img(1, 10, QImage::Format_ARGB32_Premultiplied);
    img.fill(0x0);

    QPainter p(&img);
    QLine line(10, 0, 10, 10);
    p.translate(-10, 0);
    p.drawLine(line);
    p.end();

    for (int i = 0; i < img.height(); ++i)
        QCOMPARE(img.pixel(0, i), QColor(Qt::black).rgba());
}

void tst_QPainter::drawRect()
{
    QFETCH(QRect, rect);
    QFETCH(bool, usePen);

    QPixmap pixmap(rect.x() + rect.width() + 10,
                   rect.y() + rect.height() + 10);
    {
        pixmap.fill(Qt::white);
        QPainter p(&pixmap);
        p.setPen(usePen ? QPen(Qt::black) : QPen(Qt::NoPen));
        p.setBrush(Qt::black);
        p.drawRect(rect);
        p.end();

        int increment = usePen ? 1 : 0;

        const QRect painted = getPaintedSize(pixmap, Qt::white);
        QCOMPARE(painted.width(), rect.width() + increment);
        QCOMPARE(painted.height(), rect.height() + increment);
    }

#ifdef QT3_SUPPORT
    {
        if (usePen && (rect.width() < 2 || rect.height() < 2))
            return;
        pixmap.fill(Qt::white);
        Q3Painter p(&pixmap);
        p.setPen(usePen ? QPen(Qt::black) : QPen(Qt::NoPen));
        p.setBrush(Qt::black);
        p.drawRect(rect);
        p.end();

        const QRect painted = getPaintedSize(pixmap, Qt::white);

        QCOMPARE(painted.width(), rect.width());
        QCOMPARE(painted.height(), rect.height());
    }
#endif
}

void tst_QPainter::drawRect2()
{
    QImage image(64, 64, QImage::Format_ARGB32_Premultiplied);
    {
        image.fill(0xffffffff);

        QTransform transform(0.368567, 0, 0, 0, 0.368567, 0, 0.0289, 0.0289, 1);

        QPainter p(&image);
        p.setTransform(transform);
        p.setBrush(Qt::red);
        p.setPen(Qt::NoPen);
        p.drawRect(QRect(14, 14, 39, 39));
        p.end();

        QRect fill = getPaintedSize(image, Qt::white);
        image.fill(0xffffffff);

        p.begin(&image);
        p.setTransform(transform);
        p.drawRect(QRect(14, 14, 39, 39));
        p.end();

        QRect stroke = getPaintedSize(image, Qt::white);
        QCOMPARE(stroke, fill.adjusted(0, 0, 1, 1));
    }
}

void tst_QPainter::fillRect()
{
    QImage image(100, 100, QImage::Format_ARGB32_Premultiplied);
    image.fill(QColor(0, 0, 0, 0).rgba());

    QPainter p(&image);

    p.fillRect(0, 0, 100, 100, QColor(255, 0, 0, 127));

//    pixmap.save("bla1.png", "PNG");
    QCOMPARE(getPaintedSize(image, QColor(0, 0, 0, 0)),
             QRect(0, 0, 100, 100));
    QCOMPARE(getPaintedSize(image, QColor(127, 0, 0, 127)).isValid(),
             QRect().isValid());

    p.setCompositionMode(QPainter::CompositionMode_SourceIn);
    p.fillRect(50, 0, 50, 100, QColor(0, 0, 255, 255));

    QCOMPARE(getPaintedSize(image, QColor(127, 0, 0, 127)),
             QRect(50, 0, 50, 100));
    QCOMPARE(getPaintedSize(image, QColor(0, 0, 127, 127)),
             QRect(0, 0, 50, 100));
}

void tst_QPainter::fillRect2()
{
    QRgb background = 0x0;

    QImage img(1, 20, QImage::Format_ARGB32_Premultiplied);
    img.fill(background);

    QPainter p(&img);

    QRectF rect(0, 1, 1.2, 18);
    p.fillRect(rect, Qt::black);

    p.end();

    QCOMPARE(img.pixel(0, 0), background);
    QCOMPARE(img.pixel(0, img.height() - 1), background);

    QCOMPARE(img.pixel(0, 1), img.pixel(0, 2));
    QCOMPARE(img.pixel(0, img.height() - 2), img.pixel(0, img.height() - 3));
}

void tst_QPainter::fillRect3()
{
    QImage img(1, 1, QImage::Format_ARGB32_Premultiplied);
    img.fill(QColor(Qt::black).rgba());

    QPainter p(&img);
    p.setCompositionMode(QPainter::CompositionMode_Source);
    p.fillRect(img.rect(), Qt::transparent);
    p.end();

    QCOMPARE(img.pixel(0, 0), 0U);
}

void tst_QPainter::fillRect4()
{
    QImage image(100, 1, QImage::Format_ARGB32_Premultiplied);
    image.fill(0x0);

    QImage expected = image;
    expected.fill(0xffffffff);

    QPainter p(&image);
    p.scale(1.1, 1);
    p.setPen(Qt::NoPen);

    for (int i = 0; i < 33; ++i)
        p.fillRect(QRectF(3 * i, 0, 3, 1), Qt::white);

    p.end();

    QCOMPARE(image, expected);
}

void tst_QPainter::drawPath_data()
{
    QTest::addColumn<QPainterPath>("path");
    QTest::addColumn<QRect>("expectedBounds");
    QTest::addColumn<int>("expectedPixels");

    {
        QPainterPath p;
        p.addRect(2, 2, 10, 10);
        QTest::newRow("int-aligned rect") << p << QRect(2, 2, 10, 10) << 10 * 10;
    }

    {
        QPainterPath p;
        p.addRect(2.25, 2.25, 10, 10);
        QTest::newRow("non-aligned rect") << p << QRect(2, 2, 10, 10) << 10 * 10;
    }

    {
        QPainterPath p;
        p.addRect(2.25, 2.25, 10.5, 10.5);
        QTest::newRow("non-aligned rect 2") << p << QRect(2, 2, 11, 11) << 11 * 11;
    }

    {
        QPainterPath p;
        p.addRect(2.5, 2.5, 10, 10);
        QTest::newRow("non-aligned rect 3") << p << QRect(3, 3, 10, 10) << 10 * 10;
    }

    {
        QPainterPath p;
        p.addRect(2, 2, 10, 10);
        p.addRect(4, 4, 6, 6);
        QTest::newRow("rect-in-rect") << p << QRect(2, 2, 10, 10) << 10 * 10 - 6 * 6;
    }

    {
        QPainterPath p;
        p.addRect(2, 2, 10, 10);
        p.addRect(4, 4, 6, 6);
        p.addRect(6, 6, 2, 2);
        QTest::newRow("rect-in-rect-in-rect") << p << QRect(2, 2, 10, 10) << 10 * 10 - 6 * 6 + 2 * 2;
    }
}

void tst_QPainter::drawPath()
{
    QFETCH(QPainterPath, path);
    QFETCH(QRect, expectedBounds);
    QFETCH(int, expectedPixels);

    const int offset = 2;

    QImage image(expectedBounds.width() + 2 * offset, expectedBounds.height() + 2 * offset,
                 QImage::Format_ARGB32_Premultiplied);
    image.fill(QColor(Qt::white).rgb());

    QPainter p(&image);
    p.setPen(Qt::NoPen);
    p.setBrush(Qt::black);
    p.translate(offset - expectedBounds.left(), offset - expectedBounds.top());
    p.drawPath(path);
    p.end();

    const QRect paintedBounds = getPaintedSize(image, Qt::white);

    QCOMPARE(paintedBounds.x(), offset);
    QCOMPARE(paintedBounds.y(), offset);
    QCOMPARE(paintedBounds.width(), expectedBounds.width());
    QCOMPARE(paintedBounds.height(), expectedBounds.height());

    if (expectedPixels != -1) {
        int paintedPixels = getPaintedPixels(image, Qt::white);
        QCOMPARE(paintedPixels, expectedPixels);
    }
}

void tst_QPainter::drawPath2()
{
    const int w = 50;

    for (int h = 5; h < 200; ++h) {
        QPainterPath p1, p2;
        p1.lineTo(w, 0);
        p1.lineTo(w, h);

        p2.lineTo(w, h);
        p2.lineTo(0, h);

        const int offset = 2;

        QImage image(w + 2 * offset, h + 2 * offset,
                     QImage::Format_ARGB32_Premultiplied);
        image.fill(QColor(Qt::white).rgb());

        QPainter p(&image);
        p.setPen(Qt::NoPen);
        p.setBrush(Qt::black);
        p.translate(offset, offset);
        p.drawPath(p1);
        p.end();

        const int p1Pixels = getPaintedPixels(image, Qt::white);

        image.fill(QColor(Qt::white).rgb());
        p.begin(&image);
        p.setPen(Qt::NoPen);
        p.setBrush(Qt::black);
        p.translate(offset, offset);
        p.drawPath(p2);
        p.end();

        const int p2Pixels = getPaintedPixels(image, Qt::white);

        QCOMPARE(p1Pixels + p2Pixels, w * h);
    }
}

void tst_QPainter::drawPath3()
{
#if !defined(Q_OS_WINCE) && !defined(Q_OS_SYMBIAN)
    QImage imgA(400, 400, QImage::Format_RGB32);
#else
    QImage imgA(100, 100, QImage::Format_RGB32);
#endif
    imgA.fill(0xffffff);
    QImage imgB = imgA;

    QPainterPath path;
    for (int y = 0; y < imgA.height(); ++y) {
        for (int x = 0; x < imgA.width(); ++x) {
            if ((x + y) & 1) {
                imgA.setPixel(x, y, 0);
                path.addRect(x, y, 1, 1);
            }
        }
    }

    QPainter p(&imgB);
    p.setPen(Qt::NoPen);
    p.setBrush(Qt::black);

    p.drawPath(path);
    p.end();

    QVERIFY(imgA == imgB);

    imgA.invertPixels();
    imgB.fill(0xffffff);

    p.begin(&imgB);
    p.setPen(Qt::NoPen);
    p.setBrush(Qt::black);

    QRectF rect(0, 0, imgA.width(), imgA.height());
    path.addRect(rect.adjusted(-10, -10, 10, 10));
    p.drawPath(path);
    p.end();

    QVERIFY(imgA == imgB);

    path.setFillRule(Qt::WindingFill);
    imgB.fill(0xffffff);

    p.begin(&imgB);
    p.setPen(Qt::NoPen);
    p.setBrush(Qt::black);
    QRect clip = rect.adjusted(10, 10, -10, -10).toRect();
    p.setClipRect(clip);
    p.drawPath(path);
    p.end();

    QCOMPARE(getPaintedPixels(imgB, Qt::white), clip.width() * clip.height());
}

void tst_QPainter::drawEllipse_data()
{
    QTest::addColumn<QSize>("size");
    QTest::addColumn<bool>("usePen");

    // The current drawEllipse algorithm (drawEllipse_midpoint_i in
    // qpaintengine_raster.cpp) draws ellipses that are too wide if the
    // ratio between width and hight is too large/small (task 114874). Those
    // ratios are therefore currently avoided.
    for (int w = 10; w < 128; w += 7) {
        for (int h = w/2; h < qMin(2*w, 128); h += 13) {
            QString s = QString("%1x%2").arg(w).arg(h);
            QTest::newRow(QString("%1 with pen").arg(s).toLatin1()) << QSize(w, h) << true;
            QTest::newRow(QString("%1 no pen").arg(s).toLatin1()) << QSize(w, h) << false;
        }
    }
}

void tst_QPainter::drawEllipse()
{
    QFETCH(QSize, size);
    QFETCH(bool, usePen);

    const int offset = 10;
    QRect rect(QPoint(offset, offset), size);

    QImage image(size.width() + 2 * offset, size.height() + 2 * offset,
                 QImage::Format_ARGB32_Premultiplied);
    image.fill(QColor(Qt::white).rgb());

    QPainter p(&image);
    p.setPen(usePen ? QPen(Qt::black) : QPen(Qt::NoPen));
    p.setBrush(Qt::black);
    p.drawEllipse(rect);
    p.end();

    QPixmap pixmap = QPixmap::fromImage(image);

    const QRect painted = getPaintedSize(pixmap, Qt::white);

    QCOMPARE(painted.x(), rect.x());
    QCOMPARE(painted.y(), rect.y() + (usePen ? 0 : 1));
    QCOMPARE(painted.width(), size.width() + (usePen ? 1 : 0));
    QCOMPARE(painted.height(), size.height() + (usePen ? 1 : -1));
}

void tst_QPainter::drawClippedEllipse_data()
{
    QTest::addColumn<QRect>("rect");

    for (int w = 20; w < 128; w += 7) {
        for (int h = w/2; h < qMin(2*w, 128); h += 13) {
            QString s = QString("%1x%2").arg(w).arg(h);
            QTest::newRow(QString("%1 top").arg(s).toLatin1()) << QRect(0, -h/2, w, h);
            QTest::newRow(QString("%1 topright").arg(s).toLatin1()) << QRect(w/2, -h/2, w, h);
            QTest::newRow(QString("%1 right").arg(s).toLatin1()) << QRect(w/2, 0, w, h);
            QTest::newRow(QString("%1 bottomright").arg(s).toLatin1()) << QRect(w/2, h/2, w, h);
            QTest::newRow(QString("%1 bottom").arg(s).toLatin1()) << QRect(0, h/2, w, h);
            QTest::newRow(QString("%1 bottomleft").arg(s).toLatin1()) << QRect(-w/2, h/2, w, h);
            QTest::newRow(QString("%1 left").arg(s).toLatin1()) << QRect(-w/2, 0, w, h);
            QTest::newRow(QString("%1 topleft").arg(s).toLatin1()) << QRect(-w/2, -h/2, w, h);
        }
    }
}

void tst_QPainter::drawClippedEllipse()
{
    QFETCH(QRect, rect);
    if (sizeof(qreal) != sizeof(double))
        QSKIP("Test only works for qreal==double", SkipAll);
    QImage image(rect.width() + 1, rect.height() + 1,
                 QImage::Format_ARGB32_Premultiplied);
    QRect expected = QRect(rect.x(), rect.y(), rect.width()+1, rect.height()+1)
                     & QRect(0, 0, image.width(), image.height());


    image.fill(QColor(Qt::white).rgb());
    QPainter p(&image);
    p.drawEllipse(rect);
    p.end();

    QPixmap pixmap = QPixmap::fromImage(image);
    const QRect painted = getPaintedSize(pixmap, Qt::white);

    QCOMPARE(painted.x(), expected.x());
    QCOMPARE(painted.y(), expected.y());
    QCOMPARE(painted.width(), expected.width());
    QCOMPARE(painted.height(), expected.height());

}

void tst_QPainter::drawRoundRect()
{
    QFETCH(QRect, rect);
    QFETCH(bool, usePen);

#ifdef Q_WS_MAC
    if (QTest::currentDataTag() == QByteArray("rect(6, 12, 3, 14) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(6, 17, 3, 25) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(10, 6, 10, 3) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(10, 12, 10, 14) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(13, 45, 17, 80) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(13, 50, 17, 91) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(17, 6, 24, 3) with pen") ||
        QTest::currentDataTag() == QByteArray("rect(24, 12, 38, 14) with pen"))
        QSKIP("The Mac paint engine is off-by-one on certain rect sizes", SkipSingle);
#endif
    QPixmap pixmap(rect.x() + rect.width() + 10,
                   rect.y() + rect.height() + 10);
    {
        pixmap.fill(Qt::white);
        QPainter p(&pixmap);
        p.setPen(usePen ? QPen(Qt::black) : QPen(Qt::NoPen));
        p.setBrush(Qt::black);
        p.drawRoundRect(rect);
        p.end();

        int increment = usePen ? 1 : 0;

        const QRect painted = getPaintedSize(pixmap, Qt::white);
        QCOMPARE(painted.width(), rect.width() + increment);
        QCOMPARE(painted.height(), rect.height() + increment);
    }

#ifdef QT3_SUPPORT
    {
        pixmap.fill(Qt::white);
        Q3Painter p(&pixmap);
        p.setPen(usePen ? QPen(Qt::black) : QPen(Qt::NoPen));
        p.setBrush(Qt::black);
        p.drawRoundRect(rect);
        p.end();

        const QRect painted = getPaintedSize(pixmap, Qt::white);

        QCOMPARE(painted.width(), rect.width());
        QCOMPARE(painted.height(), rect.height());
    }
#endif
}

Q_DECLARE_METATYPE(QImage::Format)

void tst_QPainter::qimageFormats_data()
{
    QTest::addColumn<QImage::Format>("format");
    QTest::newRow("QImage::Format_RGB32") << QImage::Format_RGB32;
    QTest::newRow("QImage::Format_ARGB32") << QImage::Format_ARGB32;
    QTest::newRow("QImage::Format_ARGB32_Premultiplied") << QImage::Format_ARGB32_Premultiplied;
    QTest::newRow("QImage::Format_RGB16") << QImage::Format_RGB16;
    QTest::newRow("Qimage::Format_ARGB8565_Premultiplied") << QImage::Format_ARGB8565_Premultiplied;
    QTest::newRow("Qimage::Format_RGB666") << QImage::Format_RGB666;
    QTest::newRow("Qimage::Format_RGB555") << QImage::Format_RGB555;
    QTest::newRow("Qimage::Format_ARGB8555_Premultiplied") << QImage::Format_ARGB8555_Premultiplied;
    QTest::newRow("Qimage::Format_RGB888") << QImage::Format_RGB888;
}

/*
    Tests that QPainter can paint on various QImage formats.
*/
void tst_QPainter::qimageFormats()
{
    QFETCH(QImage::Format, format);

    const QSize size(100, 100);
    QImage image(size, format);
    image.fill(0);

    const QColor testColor(Qt::red);
    QPainter p(&image);
    QVERIFY(p.isActive());
    p.setBrush(QBrush(testColor));
    p.drawRect(QRect(QPoint(0,0), size));
    QCOMPARE(image.pixel(50, 50), testColor.rgb());
}

void tst_QPainter::fillData()
{
    QTest::addColumn<QRect>("rect");
    QTest::addColumn<bool>("usePen");

    for (int w = 3; w < 50; w += 7) {
        for (int h = 3; h < 50; h += 11) {
            int x = w/2 + 5;
            int y = h/2 + 5;
            QTest::newRow(QString("rect(%1, %2, %3, %4) with pen").arg(x).arg(y).arg(w).arg(h).toLatin1())
                << QRect(x, y, w, h) << true;
            QTest::newRow(QString("rect(%1, %2, %3, %4) no pen").arg(x).arg(y).arg(w).arg(h).toLatin1())
                << QRect(x, y, w, h) << false;
        }
    }
}

/*
    Test that drawline works properly after setWindow has been called.
*/
void tst_QPainter::setWindow()
{
    QPixmap pixmap(600, 600);
    pixmap.fill(QColor(Qt::white));

    QPainter painter(&pixmap);
    painter.setWindow(0, 0, 3, 3);
    painter.drawLine(1, 1, 2, 2);

    const QRect painted = getPaintedSize(pixmap, Qt::white);
    QVERIFY(195 < painted.y() && painted.y() < 205); // correct value is around 200
    QVERIFY(195 < painted.height() && painted.height() < 205); // correct value is around 200
}

void tst_QPainter::combinedMatrix()
{
    QPixmap pm(64, 64);

    QPainter p(&pm);
    p.setWindow(0, 0, 1, 1);
    p.setViewport(32, 0, 32, 32);

    p.translate(0.5, 0.5);

    QMatrix cm = p.combinedMatrix();

    QPointF pt = QPointF(0, 0) * cm;

    QCOMPARE(pt.x(), 48.0);
    QCOMPARE(pt.y(), 16.0);
}

void tst_QPainter::textOnTransparentImage()
{
    bool foundPixel = false;
    QImage image(10, 10, QImage::Format_ARGB32_Premultiplied);
    image.fill(qRgba(0, 0, 0, 0)); // transparent
    {
        QPainter painter(&image);
        painter.setPen(QColor(255, 255, 255));
        painter.drawText(0, 10, "W");
    }
    for (int x = 0; x < image.width(); ++x)
        for (int y = 0; y < image.height(); ++y)
            if (image.pixel(x, y) != 0)
                foundPixel = true;
    QVERIFY(foundPixel);
}

void tst_QPainter::renderHints()
{
    QImage img(1, 1, QImage::Format_RGB32);

    QPainter p(&img);

    // Turn off all...
    p.setRenderHints(QPainter::RenderHints(0xffffffff), false);
    QCOMPARE(p.renderHints(), QPainter::RenderHints(0));

    // Single set/get
    p.setRenderHint(QPainter::Antialiasing);
    QVERIFY(p.renderHints() & QPainter::Antialiasing);

    p.setRenderHint(QPainter::Antialiasing, false);
    QVERIFY(!(p.renderHints() & QPainter::Antialiasing));

    // Multi set/get
    p.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform);
    QVERIFY(p.renderHints() & (QPainter::Antialiasing | QPainter::SmoothPixmapTransform));

    p.setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform, false);
    QVERIFY(!(p.renderHints() & (QPainter::Antialiasing | QPainter::SmoothPixmapTransform)));
}

int countPixels(const QImage &img, const QRgb &color)
{
    int count = 0;
    for (int y = 0; y < img.height(); ++y) {
        for (int x = 0; x < img.width(); ++x) {
            count += ((img.pixel(x, y) & 0xffffff) == color);
        }
    }
    return count;
}

template <typename T>
void testClipping(QImage &img)
{
    img.fill(0x0);
    QPainterPath a, b;
    a.addRect(QRect(2, 2, 4, 4));
    b.addRect(QRect(4, 4, 4, 4));

    QPainter p(&img);
    p.setClipPath(a);
    p.setClipPath(b, Qt::UniteClip);

    p.setClipping(false);
    p.setPen(Qt::NoPen);
    p.setBrush(QColor(0xff0000));
    p.drawRect(T(0, 0, 10, 10));

    p.setClipping(true);
    p.setBrush(QColor(0x00ff00));
    p.drawRect(T(0, 0, 10, 10));

    QCOMPARE(countPixels(img, 0xff0000), 72);
    QCOMPARE(countPixels(img, 0x00ff00), 28);

    p.end();
    img.fill(0x0);
    p.begin(&img);
    p.setClipPath(a);
    p.setClipPath(b, Qt::IntersectClip);

    p.setClipping(false);
    p.setPen(Qt::NoPen);
    p.setBrush(QColor(0xff0000));
    p.drawRect(T(0, 0, 10, 10));

    p.setClipping(true);
    p.setBrush(QColor(0x00ff00));
    p.drawRect(T(0, 0, 10, 10));

    QCOMPARE(countPixels(img, 0xff0000), 96);
    QCOMPARE(countPixels(img, 0x00ff00), 4);
}

void tst_QPainter::disableEnableClipping()
{
    QImage img(10, 10, QImage::Format_RGB32);

    testClipping<QRectF>(img);
    testClipping<QRect>(img);
}

void tst_QPainter::setClipRect()
{
    QImage img(10, 10, QImage::Format_RGB32);
    // simple test to let valgrind check for buffer overflow
    {
        QPainter p(&img);
        p.setClipRect(-10, -10, 100, 100);
        p.fillRect(-10, -10, 100, 100, QBrush(QColor(Qt::red)));
    }

    // rects with negative width/height
    {
        QPainter p(&img);
        p.setClipRect(QRect(10, 10, -10, 10));
        QVERIFY(p.clipRegion().isEmpty());
        p.setClipRect(QRect(10, 10, 10, -10));
        QVERIFY(p.clipRegion().isEmpty());
        p.setClipRect(QRectF(10.5, 10.5, -10.5, 10.5));
        QVERIFY(p.clipRegion().isEmpty());
        p.setClipRect(QRectF(10.5, 10.5, 10.5, -10.5));
        QVERIFY(p.clipRegion().isEmpty());
    }
}

/*
    This tests the two different clipping approaches in QRasterPaintEngine,
    one when using a QRegion and one when using a QPainterPath. They should
    give equal results.
*/
void tst_QPainter::setEqualClipRegionAndPath_data()
{
    QTest::addColumn<QSize>("deviceSize");
    QTest::addColumn<QRegion>("region");

    QTest::newRow("empty") << QSize(100, 100) << QRegion();
    QTest::newRow("simple rect") << QSize(100, 100)
                                 << QRegion(QRect(5, 5, 10, 10));

    QVector<QRect> rects;
    QRegion region;

    rects << QRect(5, 5, 10, 10) << QRect(20, 20, 10, 10);
    region.setRects(rects.constData(), rects.size());
    QTest::newRow("two rects") << QSize(100, 100) << region;

    rects.clear();
    rects << QRect(5, 5, 10, 10) << QRect(20, 5, 10, 10);
    region.setRects(rects.constData(), rects.size());
    QTest::newRow("two x-adjacent rects") << QSize(100, 100) << region;

    rects.clear();
    rects << QRect(0, 0, 10, 100) << QRect(12, 0, 10, 100);
    region.setRects(rects.constData(), rects.size());
    QTest::newRow("two x-adjacent rects 2") << QSize(100, 100) << region;

    rects.clear();
    rects << QRect(0, 0, 10, 100) << QRect(12, 0, 10, 100);
    region.setRects(rects.constData(), rects.size());
    QTest::newRow("two x-adjacent rects 3") << QSize(50, 50) << region;

    rects.clear();
    rects << QRect(0, 0, 10, 100) << QRect(12, 0, 10, 100);
    region.setRects(rects.constData(), rects.size());
    QTest::newRow("two x-adjacent rects 4") << QSize(101, 101) << region;

    region = QRegion(QRect(0, 0, 200, 200), QRegion::Ellipse);

    QTest::newRow("ellipse") << QSize(190, 200) << region;

    region ^= QRect(50, 50, 50, 50);
    QTest::newRow("ellipse 2") << QSize(200, 200) << region;
}

void tst_QPainter::setEqualClipRegionAndPath()
{
    QFETCH(QSize, deviceSize);
    QFETCH(QRegion, region);

    QPainterPath path;
    path.addRegion(region);

    QImage img1(deviceSize.width(), deviceSize.height(),
                QImage::Format_ARGB32);
    QImage img2(deviceSize.width(), deviceSize.height(),
                QImage::Format_ARGB32);
    img1.fill(0x12345678);
    img2.fill(0x12345678);

    {
        QPainter p(&img1);
        p.setClipRegion(region);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.setClipPath(path);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }

#if 0
    if (img1 != img2) {
        img1.save("setEqualClipRegionAndPath_1.xpm", "XPM");
        img2.save("setEqualClipRegionAndPath_2.xpm", "XPM");
    }
#endif
    QCOMPARE(img1, img2);

#if 0
    // rotated
    img1.fill(0x12345678);
    img2.fill(0x12345678);

    {
        QPainter p(&img1);
        p.rotate(25);
        p.setClipRegion(region);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.rotate(25);
        p.setClipPath(path);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }

#if 1
    if (img1 != img2) {
        img1.save("setEqualClipRegionAndPath_1.xpm", "XPM");
        img2.save("setEqualClipRegionAndPath_2.xpm", "XPM");
    }
#endif
    QCOMPARE(img1, img2);
#endif

    // simple uniteclip
    img1.fill(0x12345678);
    img2.fill(0x12345678);
    {
        QPainter p(&img1);
        p.setClipRegion(region);
        p.setClipRegion(region, Qt::UniteClip);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.setClipPath(path);
        p.setClipPath(path, Qt::UniteClip);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }
    QCOMPARE(img1, img2);
    img1.fill(0x12345678);
    img2.fill(0x12345678);
    {
        QPainter p(&img1);
        p.setClipPath(path);
        p.setClipRegion(region, Qt::UniteClip);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.setClipRegion(region);
        p.setClipPath(path, Qt::UniteClip);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }
#if 0
    if (img1 != img2) {
        img1.save("setEqualClipRegionAndPath_1.xpm", "XPM");
        img2.save("setEqualClipRegionAndPath_2.xpm", "XPM");
    }
#endif
    QCOMPARE(img1, img2);

    // simple intersectclip
    img1.fill(0x12345678);
    img2.fill(0x12345678);
    {
        QPainter p(&img1);
        p.setClipRegion(region);
        p.setClipRegion(region, Qt::IntersectClip);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.setClipPath(path);
        p.setClipPath(path, Qt::IntersectClip);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }
#if 0
    if (img1 != img2) {
        img1.save("setEqualClipRegionAndPath_1.png", "PNG");
        img2.save("setEqualClipRegionAndPath_2.png", "PNG");
    }
#endif
    QCOMPARE(img1, img2);

    img1.fill(0x12345678);
    img2.fill(0x12345678);
    {
        QPainter p(&img1);
        p.setClipPath(path);
        p.setClipRegion(region, Qt::IntersectClip);
        p.fillRect(0, 0, img1.width(), img1.height(), QColor(Qt::red));
    }
    {
        QPainter p(&img2);
        p.setClipRegion(region);
        p.setClipPath(path, Qt::IntersectClip);
        p.fillRect(0, 0, img2.width(), img2.height(), QColor(Qt::red));
    }
#if 0
    if (img1 != img2) {
        img1.save("setEqualClipRegionAndPath_1.xpm", "XPM");
        img2.save("setEqualClipRegionAndPath_2.xpm", "XPM");
    }
#endif
    QCOMPARE(img1, img2);

}

void tst_QPainter::clippedFillPath_data()
{
    QTest::addColumn<QSize>("imageSize");
    QTest::addColumn<QPainterPath>("path");
    QTest::addColumn<QRect>("clipRect");
    QTest::addColumn<QBrush>("brush");
    QTest::addColumn<QPen>("pen");

    QLinearGradient gradient(QPoint(0, 0), QPoint(100, 100));
    gradient.setColorAt(0, Qt::red);
    gradient.setColorAt(1, Qt::blue);


    QPen pen2(QColor(223, 223, 0, 223));
    pen2.setWidth(2);

    QPainterPath path;
    path.addRect(QRect(15, 15, 50, 50));
    QTest::newRow("simple rect 0") << QSize(100, 100) << path
                                   << QRect(15, 15, 49, 49)
                                   << QBrush(Qt::NoBrush)
                                   << QPen(Qt::black);
    QTest::newRow("simple rect 1") << QSize(100, 100) << path
                                   << QRect(15, 15, 50, 50)
                                   << QBrush(Qt::NoBrush)
                                   << QPen(Qt::black);
    QTest::newRow("simple rect 2") << QSize(100, 100) << path
                                   << QRect(15, 15, 51, 51)
                                   << QBrush(Qt::NoBrush)
                                   << QPen(Qt::black);
    QTest::newRow("simple rect 3") << QSize(100, 100) << path
                                   << QRect(15, 15, 51, 51)
                                   << QBrush(QColor(Qt::blue))
                                   << QPen(Qt::NoPen);
    QTest::newRow("simple rect 4") << QSize(100, 100) << path
                                   << QRect(15, 15, 51, 51)
                                   << QBrush(gradient)
                                   << pen2;

    path = QPainterPath();
    path.addEllipse(QRect(15, 15, 50, 50));
    QTest::newRow("ellipse 0") << QSize(100, 100) << path
                               << QRect(15, 15, 49, 49)
                               << QBrush(Qt::NoBrush)
                               << QPen(Qt::black);
    QTest::newRow("ellipse 1") << QSize(100, 100) << path
                               << QRect(15, 15, 50, 50)
                               << QBrush(Qt::NoBrush)
                               << QPen(Qt::black);
    QTest::newRow("ellipse 2") << QSize(100, 100) << path
                               << QRect(15, 15, 51, 51)
                               << QBrush(Qt::NoBrush)
                               << QPen(Qt::black);
    QTest::newRow("ellipse 3") << QSize(100, 100) << path
                               << QRect(15, 15, 51, 51)
                               << QBrush(QColor(Qt::blue))
                               << QPen(Qt::NoPen);
    QTest::newRow("ellipse 4") << QSize(100, 100) << path
                               << QRect(15, 15, 51, 51)
                               << QBrush(gradient)
                               << pen2;

    path = QPainterPath();
    path.addRoundRect(QRect(15, 15, 50, 50), 20);
    QTest::newRow("round rect 0") << QSize(100, 100) << path
                                  << QRect(15, 15, 49, 49)
                                  << QBrush(Qt::NoBrush)
                                  << QPen(Qt::black);
    QTest::newRow("round rect 1") << QSize(100, 100) << path
                                  << QRect(15, 15, 50, 50)
                                  << QBrush(Qt::NoBrush)
                                  << QPen(Qt::black);
    QTest::newRow("round rect 2") << QSize(100, 100) << path
                                  << QRect(15, 15, 51, 51)
                                  << QBrush(Qt::NoBrush)
                                  << QPen(Qt::black);
    QTest::newRow("round rect 3") << QSize(100, 100) << path
                                  << QRect(15, 15, 51, 51)
                                  << QBrush(QColor(Qt::blue))
                                  << QPen(Qt::NoPen);
    QTest::newRow("round rect 4") << QSize(100, 100) << path
                                  << QRect(15, 15, 51, 51)
                                  << QBrush(gradient)
                                  << pen2;

    path = QPainterPath();
    path.moveTo(15, 50);
    path.cubicTo(40, 50, 40, 15, 65, 50);
    path.lineTo(15, 50);
    QTest::newRow("cubic 0") << QSize(100, 100) << path
                             << QRect(15, 15, 49, 49)
                             << QBrush(Qt::NoBrush)
                             << QPen(Qt::black);
    QTest::newRow("cubic 1") << QSize(100, 100) << path
                             << QRect(15, 15, 50, 50)
                             << QBrush(Qt::NoBrush)
                             << QPen(Qt::black);
    QTest::newRow("cubic 2") << QSize(100, 100) << path
                             << QRect(15, 15, 51, 51)
                             << QBrush(Qt::NoBrush)
                             << QPen(Qt::black);
    QTest::newRow("cubic 3") << QSize(100, 100) << path
                             << QRect(15, 15, 51, 51)
                             << QBrush(QColor(Qt::blue))
                             << QPen(Qt::NoPen);
    QTest::newRow("cubic 4") << QSize(100, 100) << path
                             << QRect(15, 15, 51, 51)
                             << QBrush(gradient)
                             << pen2;
}

void tst_QPainter::clippedFillPath()
{
    QFETCH(QSize, imageSize);
    QFETCH(QPainterPath, path);
    QFETCH(QRect, clipRect);
    QPainterPath clipPath;
    clipPath.addRect(clipRect);
    QFETCH(QBrush, brush);
    QFETCH(QPen, pen);

    const int width = imageSize.width();
    const int height = imageSize.height();

    QImage clippedRect(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);
        painter.drawPath(path);
    }

    QImage clippedPath(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipPath(clipPath);
        painter.drawPath(path);
    }

#if 0
    if (clippedRect != clippedPath) {
        clippedRect.save(QString("clippedRect.png"), "PNG");
        clippedPath.save(QString("clippedPath.png"), "PNG");
    }
#endif
    QCOMPARE(clippedRect, clippedPath);

    // repeat with antialiasing

    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);
        painter.drawPath(path);
    }

    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipPath(clipPath);
        painter.drawPath(path);
    }

#if 1
    if (clippedRect != clippedPath) {
        clippedRect.save(QString("clippedRect.png"), "PNG");
        clippedPath.save(QString("clippedPath.png"), "PNG");
    }
#endif
    QCOMPARE(clippedRect, clippedPath);

}

void tst_QPainter::clippedLines_data()
{
    QTest::addColumn<QSize>("imageSize");
    QTest::addColumn<QLineF>("line");
    QTest::addColumn<QRect>("clipRect");
    QTest::addColumn<QPen>("pen");

    QPen pen2(QColor(223, 223, 0, 223));
    pen2.setWidth(2);

    QVector<QLineF> lines;
    lines << QLineF(15, 15, 65, 65)
          << QLineF(14, 14, 66, 66)
          << QLineF(16, 16, 64, 64)
          << QLineF(65, 65, 15, 15)
          << QLineF(66, 66, 14, 14)
          << QLineF(64, 64, 14, 14)
          << QLineF(15, 50, 15, 64)
          << QLineF(15, 50, 15, 65)
          << QLineF(15, 50, 15, 66)
          << QLineF(15, 50, 64, 50)
          << QLineF(15, 50, 65, 50)
          << QLineF(15, 50, 66, 50);

    foreach (QLineF line, lines) {
        QString desc = QString("line (%1, %2, %3, %4) %5").arg(line.x1())
                       .arg(line.y1()).arg(line.x2()).arg(line.y2());
        QTest::newRow(qPrintable(desc.arg(0))) << QSize(100, 100) << line
                                   << QRect(15, 15, 49, 49)
                                   << QPen(Qt::black);
        QTest::newRow(qPrintable(desc.arg(1))) << QSize(100, 100) << line
                                   << QRect(15, 15, 50, 50)
                                   << QPen(Qt::black);
        QTest::newRow(qPrintable(desc.arg(2))) << QSize(100, 100) << line
                                   << QRect(15, 15, 51, 51)
                                   << QPen(Qt::black);
        QTest::newRow(qPrintable(desc.arg(3))) << QSize(100, 100) << line
                                   << QRect(15, 15, 51, 51)
                                   << QPen(Qt::NoPen);
        QTest::newRow(qPrintable(desc.arg(4))) << QSize(100, 100) << line
                                   << QRect(15, 15, 51, 51)
                                   << pen2;
    }
}

void tst_QPainter::clippedLines()
{
    QFETCH(QSize, imageSize);
    QFETCH(QLineF, line);
    QFETCH(QRect, clipRect);
    QPainterPath clipPath;
    clipPath.addRect(clipRect);
    QFETCH(QPen, pen);

    const int width = imageSize.width();
    const int height = imageSize.height();

    QImage clippedRect(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setPen(pen);
        painter.setClipRect(clipRect);
        painter.drawLine(line);
        painter.drawLine(line.toLine());
    }

    QImage clippedPath(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setPen(pen);
        painter.setClipPath(clipPath);
        painter.drawLine(line);
        painter.drawLine(line.toLine());
    }

#if 0
    if (clippedRect != clippedPath) {
        clippedRect.save(QString("clippedRect.png"), "PNG");
        clippedPath.save(QString("clippedPath.png"), "PNG");
    }
#endif
    QCOMPARE(clippedRect, clippedPath);

    // repeat with antialiasing
    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setClipRect(clipRect);
        painter.drawLine(line);
        painter.drawLine(line.toLine());
    }

    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setClipPath(clipPath);
        painter.drawLine(line);
        painter.drawLine(line.toLine());
    }

#if 0
    if (clippedRect != clippedPath) {
        clippedRect.save(QString("clippedRect.png"), "PNG");
        clippedPath.save(QString("clippedPath.png"), "PNG");
    }
#endif
    QCOMPARE(clippedRect, clippedPath);
}

void tst_QPainter::clippedPolygon_data()
{
    clippedFillPath_data();
};

void tst_QPainter::clippedPolygon()
{
    QFETCH(QSize, imageSize);
    QFETCH(QPainterPath, path);
    QPolygonF polygon = path.toFillPolygon();
    QFETCH(QRect, clipRect);
    QPainterPath clipPath;
    clipPath.addRect(clipRect);
    QFETCH(QPen, pen);
    QFETCH(QBrush, brush);

    const int width = imageSize.width();
    const int height = imageSize.height();

    QImage clippedRect(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);
        painter.drawPolygon(polygon);
        painter.drawPolygon(polygon.toPolygon());
    }

    QImage clippedPath(width, height, QImage::Format_ARGB32_Premultiplied);
    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);
        painter.drawPolygon(polygon);
        painter.drawPolygon(polygon.toPolygon());
    }

#if 0
    if (clippedRect != clippedPath) {
        clippedRect.save(QString("clippedRect.png"), "PNG");
        clippedPath.save(QString("clippedPath.png"), "PNG");
    }
#endif
    QCOMPARE(clippedRect, clippedPath);

    // repeat with antialiasing

    clippedRect.fill(0x12345678);
    {
        QPainter painter(&clippedRect);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);
        painter.drawPolygon(polygon);
        painter.drawPolygon(polygon.toPolygon());
    }

    clippedPath.fill(0x12345678);
    {
        QPainter painter(&clippedPath);
        painter.setRenderHint(QPainter::Antialiasing);
        painter.setPen(pen);
        painter.setBrush(brush);
        painter.setClipRect(clipRect);


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