Alessandro Bonazzi
8c43d5cf2f
Files correlati : cg0.exe cg0700a.msk cg0700b.msk cg3.exe cg4.exe Bug : Commento: Merge 1.0 libraries
117 lines
4.0 KiB
C++
117 lines
4.0 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Contact: http://www.qt.io/licensing/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of The Qt Company Ltd nor the names of its
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** contributors may be used to endorse or promote products derived
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** from this software without specific prior written permission.
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**
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "framecapture.h"
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#include <iostream>
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#include <QtWebKit>
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FrameCapture::FrameCapture(): QObject(), m_percent(0)
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{
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connect(&m_page, SIGNAL(loadProgress(int)), this, SLOT(printProgress(int)));
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connect(&m_page, SIGNAL(loadFinished(bool)), this, SLOT(saveResult(bool)));
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}
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void FrameCapture::load(const QUrl &url, const QString &outputFileName)
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{
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std::cout << "Loading " << qPrintable(url.toString()) << std::endl;
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m_percent = 0;
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int index = outputFileName.lastIndexOf('.');
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m_fileName = (index == -1) ? outputFileName + ".png" : outputFileName;
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m_page.mainFrame()->load(url);
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m_page.mainFrame()->setScrollBarPolicy(Qt::Vertical, Qt::ScrollBarAlwaysOff);
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m_page.mainFrame()->setScrollBarPolicy(Qt::Horizontal, Qt::ScrollBarAlwaysOff);
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m_page.setViewportSize(QSize(1024, 768));
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}
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void FrameCapture::printProgress(int percent)
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{
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if (m_percent >= percent)
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return;
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while (m_percent++ < percent)
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std::cout << "#" << std::flush;
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}
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void FrameCapture::saveResult(bool ok)
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{
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std::cout << std::endl;
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// crude error-checking
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if (!ok) {
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std::cerr << "Failed loading " << qPrintable(m_page.mainFrame()->url().toString()) << std::endl;
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emit finished();
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return;
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}
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// save each frame in different image files
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saveFrame(m_page.mainFrame());
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emit finished();
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}
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void FrameCapture::saveFrame(QWebFrame *frame)
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{
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static int frameCounter = 0;
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QString fileName(m_fileName);
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if (frameCounter) {
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int index = m_fileName.lastIndexOf('.');
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fileName = fileName.insert(index, "_frame" + QString::number(frameCounter));
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}
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QImage image(frame->contentsSize(), QImage::Format_ARGB32_Premultiplied);
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image.fill(Qt::transparent);
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QPainter painter(&image);
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painter.setRenderHint(QPainter::Antialiasing, true);
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painter.setRenderHint(QPainter::TextAntialiasing, true);
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painter.setRenderHint(QPainter::SmoothPixmapTransform, true);
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frame->documentElement().render(&painter);
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painter.end();
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image.save(fileName);
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++frameCounter;
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foreach(QWebFrame *childFrame, frame->childFrames())
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saveFrame(childFrame);
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}
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