summaryrefslogtreecommitdiffstats
path: root/doc/src/snippets/picture/picture.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'doc/src/snippets/picture/picture.cpp')
-rw-r--r--doc/src/snippets/picture/picture.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/doc/src/snippets/picture/picture.cpp b/doc/src/snippets/picture/picture.cpp
new file mode 100644
index 0000000..07cedbf
--- /dev/null
+++ b/doc/src/snippets/picture/picture.cpp
@@ -0,0 +1,152 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the documentation 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 <QtGui>
+
+void myProcessing(const QString &)
+{
+}
+
+int main()
+{
+ QWidget myWidget;
+ {
+ // RECORD
+//! [0]
+ QPicture picture;
+ QPainter painter;
+ painter.begin(&picture); // paint in picture
+ painter.drawEllipse(10,20, 80,70); // draw an ellipse
+ painter.end(); // painting done
+ picture.save("drawing.pic"); // save picture
+//! [0]
+ }
+
+ {
+ // REPLAY
+//! [1]
+ QPicture picture;
+ picture.load("drawing.pic"); // load picture
+ QPainter painter;
+ painter.begin(&myWidget); // paint in myWidget
+ painter.drawPicture(0, 0, picture); // draw the picture at (0,0)
+ painter.end(); // painting done
+//! [1]
+ }
+
+ QPicture myPicture;
+ {
+ // FORMATS
+//! [2]
+ QStringList list = QPicture::inputFormatList();
+ foreach (QString string, list)
+ myProcessing(string);
+//! [2]
+ }
+
+ {
+ // OUTPUT
+//! [3]
+ QStringList list = QPicture::outputFormatList();
+ foreach (QString string, list)
+ myProcessing(string);
+//! [3]
+ }
+
+ {
+ // PIC READ
+//! [4]
+ QPictureIO iio;
+ QPixmap pixmap;
+ iio.setFileName("vegeburger.pic");
+ if (iio.read()) { // OK
+ QPicture picture = iio.picture();
+ QPainter painter(&pixmap);
+ painter.drawPicture(0, 0, picture);
+ }
+//! [4]
+ }
+
+ {
+ QPixmap pixmap;
+ // PIC WRITE
+//! [5]
+ QPictureIO iio;
+ QPicture picture;
+ QPainter painter(&picture);
+ painter.drawPixmap(0, 0, pixmap);
+ iio.setPicture(picture);
+ iio.setFileName("vegeburger.pic");
+ iio.setFormat("PIC");
+ if (iio.write())
+ return true; // returned true if written successfully
+//! [5]
+ }
+
+}
+
+// SVG READ
+//! [6]
+void readSVG(QPictureIO *picture)
+{
+ // read the picture using the picture->ioDevice()
+}
+//! [6]
+
+// SVG WRITE
+//! [7]
+void writeSVG(QPictureIO *picture)
+{
+ // write the picture using the picture->ioDevice()
+}
+//! [7]
+
+// USE SVG
+void foo() {
+
+//! [8]
+ // add the SVG picture handler
+ // ...
+//! [8]
+ QPictureIO::defineIOHandler("SVG", 0, 0, readSVG, writeSVG);
+ // ...
+
+}