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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** 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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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]
+ }
+}