/**************************************************************************** ** ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** 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." ** $QT_END_LICENSE$ ** ****************************************************************************/ #include #include #include static void main_snippet() { //! [0] QBuffer buffer; char ch; buffer.open(QBuffer::ReadWrite); buffer.write("Qt rocks!"); buffer.seek(0); buffer.getChar(&ch); // ch == 'Q' buffer.getChar(&ch); // ch == 't' buffer.getChar(&ch); // ch == ' ' buffer.getChar(&ch); // ch == 'r' //! [0] } static void write_datastream_snippets() { //! [1] QByteArray byteArray; QBuffer buffer(&byteArray); buffer.open(QIODevice::WriteOnly); QDataStream out(&buffer); out << QApplication::palette(); //! [1] } static void read_datastream_snippets() { QByteArray byteArray; //! [2] QPalette palette; QBuffer buffer(&byteArray); buffer.open(QIODevice::ReadOnly); QDataStream in(&buffer); in >> palette; //! [2] } static void bytearray_ptr_ctor_snippet() { //! [3] QByteArray byteArray("abc"); QBuffer buffer(&byteArray); buffer.open(QIODevice::WriteOnly); buffer.seek(3); buffer.write("def", 3); buffer.close(); // byteArray == "abcdef" //! [3] } static void setBuffer_snippet() { //! [4] QByteArray byteArray("abc"); QBuffer buffer; buffer.setBuffer(&byteArray); buffer.open(QIODevice::WriteOnly); buffer.seek(3); buffer.write("def", 3); buffer.close(); // byteArray == "abcdef" //! [4] } int main(int argc, char *argv[]) { QApplication app(argc, argv); main_snippet(); bytearray_ptr_ctor_snippet(); write_datastream_snippets(); read_datastream_snippets(); setBuffer_snippet(); return 0; }