Long live Qt 4.5!

3 files changed, 159 insertions, 0 deletions

diff --git a/doc/src/snippets/image/image.cpp b/doc/src/snippets/image/image.cpp
new file mode 100644
index 0000000..75d84f6
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+++ b/doc/src/snippets/image/image.cpp
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+/****************************************************************************
+**
+** 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>
+
+int main()
+{
+    int x, y;
+    {
+        // BIT ACCESS
+        QImage image;
+        // sets bit at (x, y) to 1
+        if (image.format() == QImage::Format_MonoLSB)
+            image.scanLine(y)[x >> 3] |= 1 << (x & 7);
+        else
+            image.scanLine(y)[x >> 3] |= 1 << (7 - (x & 7));
+    }
+
+    {
+        // 8-BIT ACCESS
+        QImage image;
+        // set entry 19 in the color table to yellow
+        image.setColor(19, qRgb(255, 255, 0));
+
+        // set 8 bit pixel at (x,y) to value yellow (in color table)
+        image.scanLine(y)[x] = 19;
+    }
+
+    {
+        // 32-BIT
+        QImage image;
+        // sets 32 bit pixel at (x,y) to yellow.
+        uint *ptr = reinterpret_cast<uint *>(image.scanLine(y)) + x;
+        *ptr = qRgb(255, 255, 0);
+    }
+
+    {
+        // SAVE
+//! [0]
+        QImage image;
+        QByteArray ba;
+        QBuffer buffer(&ba);
+        buffer.open(QIODevice::WriteOnly);
+        image.save(&buffer, "PNG"); // writes image into ba in PNG format
+//! [0]
+    }
+
+    {
+        // PIX SAVE
+//! [1]
+        QPixmap pixmap;
+        QByteArray bytes;
+        QBuffer buffer(&bytes);
+        buffer.open(QIODevice::WriteOnly);
+        pixmap.save(&buffer, "PNG"); // writes pixmap into bytes in PNG format
+//! [1]
+    }
+
+    {
+        // MASK
+//! [2]
+        QPixmap alpha("image-with-alpha.png");
+        QPixmap alphacopy = alpha;
+        alphacopy.setMask(alphacopy.mask());
+//! [2]
+    }
+}
diff --git a/doc/src/snippets/image/image.pro b/doc/src/snippets/image/image.pro
new file mode 100644
index 0000000..0df436a
--- /dev/null
+++ b/doc/src/snippets/image/image.pro
@@ -0,0 +1 @@
+SOURCES += image.cpp
diff --git a/doc/src/snippets/image/supportedformat.cpp b/doc/src/snippets/image/supportedformat.cpp
new file mode 100644
index 0000000..2335a94
--- /dev/null
+++ b/doc/src/snippets/image/supportedformat.cpp
@@ -0,0 +1,53 @@
+/****************************************************************************
+**
+** 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>
+
+int main(int argv, char **args)
+{
+//! [0]
+	QImageWriter writer;
+	writer.setFormat("png");
+	if (writer.supportsOption(QImageIOHandler::Description))
+	    qDebug() << "Png supports embedded text";
+//! [0]
+    return 0;
+}