main.cpp 范例文件

threads/queuedcustomtype/main.cpp
/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, 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 The Qt Company Ltd 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 <QApplication> #include <QPainter> #include <QTime> #include "block.h" #include "window.h" QImage createImage(int width, int height) { QImage image(width, height, QImage::Format_RGB16); QPainter painter; QPen pen; pen.setStyle(Qt::NoPen); QBrush brush(Qt::blue); painter.begin(&image); painter.fillRect(image.rect(), brush); brush.setColor(Qt::white); painter.setPen(pen); painter.setBrush(brush); static const QPointF points1[3] = { QPointF(4, 4), QPointF(7, 4), QPointF(5.5, 1) }; static const QPointF points2[3] = { QPointF(1, 4), QPointF(7, 4), QPointF(10, 10) }; static const QPointF points3[3] = { QPointF(4, 4), QPointF(10, 4), QPointF(1, 10) }; painter.setWindow(0, 0, 10, 10); int x = 0; int y = 0; int starWidth = image.width()/3; int starHeight = image.height()/3; QRect rect(x, y, starWidth, starHeight); for (int i = 0; i < 9; ++i) { painter.setViewport(rect); painter.drawPolygon(points1, 3); painter.drawPolygon(points2, 3); painter.drawPolygon(points3, 3); if (i % 3 == 2) { y = y + starHeight; rect.moveTop(y); x = 0; rect.moveLeft(x); } else { x = x + starWidth; rect.moveLeft(x); } } painter.end(); return image; } int main(int argc, char *argv[]) { QApplication app(argc, argv); qRegisterMetaType<Block>(); qsrand(QTime::currentTime().elapsed()); Window window; window.show(); window.loadImage(createImage(256, 256)); return app.exec(); }