Long live Qt 4.5!

1 files changed, 240 insertions, 0 deletions

diff --git a/tests/auto/qpicture/tst_qpicture.cpp b/tests/auto/qpicture/tst_qpicture.cpp
new file mode 100644
index 0000000..43559e5
--- /dev/null
+++ b/tests/auto/qpicture/tst_qpicture.cpp
@@ -0,0 +1,240 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+#include <QtTest/QtTest>
+
+#include <qpicture.h>
+#include <qpainter.h>
+#include <qimage.h>
+#include <qdesktopwidget.h>
+#include <qapplication.h>
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+class tst_QPicture : public QObject
+{
+    Q_OBJECT
+
+public:
+    tst_QPicture();
+
+private slots:
+    void getSetCheck();
+    void devType();
+    void paintingActive();
+    void boundingRect();
+    void operator_lt_lt();
+
+    void save_restore();
+};
+
+// Testing get/set functions
+void tst_QPicture::getSetCheck()
+{
+    QPictureIO obj1;
+    // const QPicture & QPictureIO::picture()
+    // void QPictureIO::setPicture(const QPicture &)
+    // const char * QPictureIO::format()
+    // void QPictureIO::setFormat(const char *)
+    char *var2 = "PNG";
+    obj1.setFormat(var2);
+    QCOMPARE(var2, obj1.format());
+    obj1.setFormat((char *)0);
+    // The format is stored internally in a QString, so return is always a valid char *
+    QVERIFY(QString(obj1.format()).isEmpty());
+
+    // const char * QPictureIO::parameters()
+    // void QPictureIO::setParameters(const char *)
+    char *var3 = "Bogus data";
+    obj1.setParameters(var3);
+    QCOMPARE(var3, obj1.parameters());
+    obj1.setParameters((char *)0);
+    // The format is stored internally in a QString, so return is always a valid char *
+    QVERIFY(QString(obj1.parameters()).isEmpty());
+}
+
+tst_QPicture::tst_QPicture()
+{
+}
+
+void tst_QPicture::devType()
+{
+    QPicture p;
+    QCOMPARE( p.devType(), (int)QInternal::Picture );
+}
+
+void tst_QPicture::paintingActive()
+{
+    // actually implemented in QPainter but QPicture is a good
+    // example of an external paint device
+    QPicture p;
+    QVERIFY( !p.paintingActive() );
+    QPainter pt( &p );
+    QVERIFY( p.paintingActive() );
+    pt.end();
+    QVERIFY( !p.paintingActive() );
+}
+
+void tst_QPicture::boundingRect()
+{
+    QPicture p1;
+    // default value
+    QVERIFY( !p1.boundingRect().isValid() );
+
+#if QT_VERSION >= 0x030100
+    QRect r1( 20, 30, 5, 15 );
+    p1.setBoundingRect( r1 );
+    QCOMPARE( p1.boundingRect(), r1 );
+    p1.setBoundingRect(QRect());
+#endif
+
+    QPainter pt( &p1 );
+    pt.drawLine( 10, 20, 110, 80 );
+    pt.end();
+
+    // assignment and copy constructor
+    QRect r2( 10, 20, 100, 60 );
+    QCOMPARE( p1.boundingRect(), r2 );
+    QPicture p2( p1 );
+    QCOMPARE( p1.boundingRect(), r2 );
+    QPicture p3;
+    p3 = p1;
+    QCOMPARE( p1.boundingRect(), r2 );
+
+    {
+        QPicture p4;
+        QPainter p(&p4);
+        p.drawLine(0, 0, 5, 0);
+        p.drawLine(0, 0, 0, 5);
+        p.end();
+
+        QRect r3(0, 0, 5, 5);
+        QCOMPARE(p4.boundingRect(), r3);
+    }
+}
+
+// operator<< and operator>>
+void tst_QPicture::operator_lt_lt()
+{
+    // streaming of null pictures
+    {
+	QPicture pic1, pic2;
+	QByteArray ba( 100, 0 );
+	QDataStream str1( &ba, QIODevice::WriteOnly );
+	str1 << pic1;
+	QDataStream str2( &ba, QIODevice::ReadOnly );
+	str2 >> pic2;
+ 	QVERIFY( pic2.isNull() );
+    }
+
+    // picture with a simple line, checking bitwise equality
+    {
+	QPicture pic1, pic2;
+	QPainter p( &pic1 );
+	p.drawLine( 10, 20, 30, 40 );
+	p.end();
+	QByteArray ba( 10 * pic1.size(), 0 );
+	QDataStream str1( &ba, QIODevice::WriteOnly );
+	str1 << pic1;
+	QDataStream str2( &ba, QIODevice::ReadOnly );
+	str2 >> pic2;
+	QCOMPARE( pic1.size(), pic2.size() );
+	QVERIFY( memcmp( pic1.data(), pic2.data(), pic1.size() ) == 0 );
+    }
+}
+
+static QPointF scalePoint(const QPointF &point, QPaintDevice *sourceDevice, QPaintDevice *destDevice)
+{
+    return QPointF(point.x() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()),
+                   point.y() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY()));
+}
+
+static QRectF scaleRect(const QRectF &rect, QPaintDevice *sourceDevice, QPaintDevice *destDevice)
+{
+    return QRectF(rect.left() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()),
+                  rect.top() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY()),
+                  rect.width() * qreal(destDevice->logicalDpiX()) / qreal(sourceDevice->logicalDpiX()),
+                  rect.height() * qreal(destDevice->logicalDpiY()) / qreal(sourceDevice->logicalDpiY()));
+}
+
+static void paintStuff(QPainter *p)
+{
+    QPaintDevice *screenDevice = QApplication::desktop();
+    p->drawRect(scaleRect(QRectF(100, 100, 100, 100), screenDevice, p->device()));
+    p->save();
+    p->translate(scalePoint(QPointF(10, 10), screenDevice, p->device()));
+    p->restore();
+    p->drawRect(scaleRect(QRectF(100, 100, 100, 100), screenDevice, p->device()));
+}
+
+/* See task: 41469
+   Problem is that the state is not properly restored if the basestate of
+   the painter is different when the picture data was created compared to
+   the base state of the painter when it is played back.
+ */
+void tst_QPicture::save_restore()
+{
+    QPicture pic;
+    QPainter p;
+    p.begin(&pic);
+    paintStuff(&p);
+    p.end();
+
+    QPixmap pix1(300, 300);
+    pix1.fill(Qt::white);
+    p.begin(&pix1);
+    p.drawPicture(50, 50, pic);
+    p.end();
+
+    QPixmap pix2(300, 300);
+    pix2.fill(Qt::white);
+    p.begin(&pix2);
+    p.translate(50, 50);
+    paintStuff(&p);
+    p.end();
+
+    QVERIFY( pix1.toImage() == pix2.toImage() );
+}
+
+QTEST_MAIN(tst_QPicture)
+#include "tst_qpicture.moc"