diff -r 000000000000 -r 1918ee327afb examples/draganddrop/delayedencoding/sourcewidget.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/examples/draganddrop/delayedencoding/sourcewidget.cpp	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,115 @@
+/****************************************************************************
+**
+** 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 examples 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 <QtGui>
+#include <QtSvg>
+#include "mimedata.h"
+#include "sourcewidget.h"
+
+SourceWidget::SourceWidget(QWidget *parent)
+    : QWidget(parent)
+{
+    QFile imageFile(":/images/example.svg");
+    imageFile.open(QIODevice::ReadOnly);
+    imageData = imageFile.readAll();
+    imageFile.close();
+
+    QScrollArea *imageArea = new QScrollArea;
+    imageLabel = new QSvgWidget;
+    imageLabel->renderer()->load(imageData);
+    imageArea->setWidget(imageLabel);
+    //imageLabel->setMinimumSize(imageLabel->renderer()->viewBox().size());
+
+    QLabel *instructTopLabel = new QLabel(tr("This is an SVG drawing:"));
+    QLabel *instructBottomLabel = new QLabel(
+        tr("Drag the icon to copy the drawing as a PNG file:"));
+    QPushButton *dragIcon = new QPushButton(tr("Export"));
+    dragIcon->setIcon(QIcon(":/images/drag.png"));
+
+    connect(dragIcon, SIGNAL(pressed()), this, SLOT(startDrag()));
+
+    QGridLayout *layout = new QGridLayout;
+    layout->addWidget(instructTopLabel, 0, 0, 1, 2);
+    layout->addWidget(imageArea, 1, 0, 2, 2);
+    layout->addWidget(instructBottomLabel, 3, 0);
+    layout->addWidget(dragIcon, 3, 1);
+    setLayout(layout);
+    setWindowTitle(tr("Delayed Encoding"));
+}
+
+//![1]
+void SourceWidget::createData(const QString &mimeType)
+{
+    if (mimeType != "image/png")
+        return;
+
+    QImage image(imageLabel->size(), QImage::Format_RGB32);
+    QPainter painter;
+    painter.begin(&image);
+    imageLabel->renderer()->render(&painter);
+    painter.end();
+
+    QByteArray data;
+    QBuffer buffer(&data);
+    buffer.open(QIODevice::WriteOnly);
+    image.save(&buffer, "PNG");
+    buffer.close();
+
+    mimeData->setData("image/png", data);
+}
+//![1]
+
+//![0]
+void SourceWidget::startDrag()
+{
+    mimeData = new MimeData;
+
+    connect(mimeData, SIGNAL(dataRequested(const QString &)),
+            this, SLOT(createData(const QString &)), Qt::DirectConnection);
+
+    QDrag *drag = new QDrag(this);
+    drag->setMimeData(mimeData);
+    drag->setPixmap(QPixmap(":/images/drag.png"));
+
+    drag->exec(Qt::CopyAction);
+}
+//![0]
+