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119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2000 Malte Starostik <malte@kde.org>
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Copyright (C) 2006 Roberto Cappuccio <roberto.cappuccio@gmail.com>
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Copyright (C) 2011 Dawit Alemayehu <adawit@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "htmlcreator.h"
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#include <QImage>
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#include <QPainter>
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#include <QtWebKit/QWebFrame>
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#include <kapplication.h>
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#include <kwebpage.h>
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#include <kurl.h>
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#include <kdebug.h>
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extern "C"
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{
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KDE_EXPORT ThumbCreator *new_creator()
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{
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return new HTMLCreator;
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}
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}
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HTMLCreator::HTMLCreator()
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: m_loadedOk(true), m_page(0)
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{
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}
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HTMLCreator::~HTMLCreator()
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{
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delete m_page;
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}
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bool HTMLCreator::create(const QString &path, int width, int height, QImage &img)
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{
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if (!m_page)
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{
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m_page = new KWebPage;
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connect(m_page, SIGNAL(loadFinished(bool)), SLOT(slotFinished(bool)));
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m_page->settings()->setAttribute(QWebSettings::JavascriptEnabled, false);
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m_page->settings()->setAttribute(QWebSettings::JavaEnabled, false);
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m_page->settings()->setAttribute(QWebSettings::PluginsEnabled, false);
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m_page->settings()->setAttribute(QWebSettings::LocalContentCanAccessRemoteUrls, false);
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m_page->settings()->setAttribute(QWebSettings::LocalContentCanAccessFileUrls, true);
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}
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KUrl url(path);
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m_loadedOk = false;
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m_page->mainFrame()->load(url);
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const int t = startTimer((url.isLocalFile()?5000:30000));
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m_eventLoop.exec(QEventLoop::ExcludeUserInputEvents);
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killTimer(t);
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if (m_page->mainFrame()->contentsSize().isEmpty()) {
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m_loadedOk = false;
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}
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if (!m_loadedOk) {
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return false;
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}
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QPixmap pix;
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if (width > 400 || height > 600) {
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if (height * 3 > width * 4) {
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pix = QPixmap(width, width * 4 / 3);
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} else {
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pix = QPixmap(height * 3 / 4, height);
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}
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} else {
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pix = QPixmap(400, 600);
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}
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pix.fill(Qt::transparent);
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const int borderX = pix.width() / width;
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const int borderY = pix.height() / height;
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QRect clip (borderX, borderY, pix.width() - borderX * 2, pix.height() - borderY * 2);
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QPainter p (&pix);
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m_page->setViewportSize(m_page->mainFrame()->contentsSize());
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m_page->mainFrame()->render(&p, QWebFrame::ContentsLayer, clip);
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img = pix.toImage();
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return true;
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}
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void HTMLCreator::timerEvent(QTimerEvent *)
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{
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m_eventLoop.quit();
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}
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void HTMLCreator::slotFinished(bool ok)
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{
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m_loadedOk = ok;
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m_eventLoop.quit();
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}
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ThumbCreator::Flags HTMLCreator::flags() const
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{
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return DrawFrame;
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}
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#include "htmlcreator.moc"
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