--- /dev/null
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+QGraphicsScene scene;
+QGraphicsRectItem *rect = scene.addRect(QRectF(0, 0, 100, 100));
+
+QGraphicsItem *item = scene.itemAt(50, 50);
+// item == rect
+//! [0]
+
+
+//! [1]
+QGraphicsScene scene;
+myPopulateScene(&scene);
+
+QGraphicsView view(&scene);
+view.show();
+//! [1]
+
+
+//! [2]
+class View : public QGraphicsView
+{
+Q_OBJECT
+ ...
+public slots:
+ void zoomIn() { scale(1.2, 1.2); }
+ void zoomOut() { scale(1 / 1.2, 1 / 1.2); }
+ void rotateLeft() { rotate(-10); }
+ void rotateRight() { rotate(10); }
+ ...
+};
+//! [2]
+
+
+//! [3]
+QGraphicsScene scene;
+scene.addRect(QRectF(0, 0, 100, 200), QPen(Qt::black), QBrush(Qt::green));
+
+QPrinter printer;
+if (QPrintDialog(&printer).exec() == QDialog::Accepted) {
+ QPainter painter(&printer);
+ painter.setRenderHint(QPainter::Antialiasing);
+ scene.render(&painter);
+}
+//! [3]
+
+
+//! [4]
+QGraphicsScene scene;
+scene.addRect(QRectF(0, 0, 100, 200), QPen(Qt::black), QBrush(Qt::green));
+
+QPixmap pixmap;
+QPainter painter(&pixmap);
+painter.setRenderHint(QPainter::Antialiasing);
+scene.render(&painter);
+painter.end();
+
+pixmap.save("scene.png");
+//! [4]
+
+
+//! [5]
+void CustomItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
+{
+ QMimeData *data = new QMimeData;
+ data->setColor(Qt::green);
+
+ QDrag *drag = new QDrag(event->widget());
+ drag->setMimeData(data);
+ drag->start();
+}
+//! [5]
+
+
+//! [6]
+QGraphicsView view(&scene);
+view.setViewport(new QGLWidget(QGLFormat(QGL::SampleBuffers)));
+//! [6]
/*!
\fn bool QGraphicsItem::isObscured(qreal x, qreal y, qreal w, qreal h) const
+ \overload
\since 4.3
This convenience function is equivalent to calling isObscured(QRectF(\a x, \a y, \a w, \a h)).
Describes the items x position.
- \sa QGraphicsItem::setX(), setPos(), xChanged()
+ \sa QGraphicsItem::setX(), setPos()
*/
/*!
Describes the items y position.
- \sa QGraphicsItem::setY(), setPos(), yChanged()
+ \sa QGraphicsItem::setY(), setPos()
*/
/*!
Describes the items z value.
- \sa QGraphicsItem::setZValue(), zValue(), zChanged()
+ \sa QGraphicsItem::setZValue(), zValue()
*/
/*!
By default, this property is true.
\sa QGraphicsItem::isEnabled(), QGraphicsItem::setEnabled()
- \sa QGraphicsObject::enabledChanged()
*/
/*!
By default, this property is true.
- \sa QGraphicsItem::isVisible(), QGraphicsItem::setVisible(), visibleChanged()
+ \sa QGraphicsItem::isVisible(), QGraphicsItem::setVisible()
*/
/*!
/*!
Sets the item's text to \a text. The text will be displayed as
- plain text. Newline characters ('\n') as well as characters of
+ plain text. Newline characters ('\\n') as well as characters of
type QChar::LineSeparator will cause item to break the text into
multiple lines.
*/
projects / profile / ivi / qtbase.git / commitdiff
