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119 lines
2.9 KiB
119 lines
2.9 KiB
/* 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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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 <time.h>
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#include <tqpixmap.h>
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#include <tqimage.h>
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#include <tqpainter.h>
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#include <kapplication.h>
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#include <tdehtml_part.h>
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#include "htmlcreator.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_html(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_html;
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}
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bool HTMLCreator::create(const TQString &path, int width, int height, TQImage &img)
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{
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if (!m_html)
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{
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m_html = new TDEHTMLPart;
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connect(m_html, TQT_SIGNAL(completed()), TQT_SLOT(slotCompleted()));
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m_html->setJScriptEnabled(false);
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m_html->setJavaEnabled(false);
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m_html->setPluginsEnabled(false);
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m_html->setMetaRefreshEnabled(false);
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m_html->setOnlyLocalReferences(true);
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}
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KURL url;
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url.setPath(path);
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m_html->openURL(url);
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int t = startTimer(5000);
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tqApp->enter_loop();
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killTimer(t);
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// render the HTML page on a bigger pixmap and use smoothScale,
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// looks better than directly scaling with the TQPainter (malte)
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TQPixmap pix;
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if (width > 400 || height > 600)
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{
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if (height * 3 > width * 4)
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pix.resize(width, width * 4 / 3);
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else
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pix.resize(height * 3 / 4, height);
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}
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else
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pix.resize(400, 600);
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// light-grey background, in case loadind the page failed
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pix.fill( TQColor( 245, 245, 245 ) );
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int borderX = pix.width() / width, borderY = pix.height() / height;
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TQRect rc(borderX, borderY, pix.width() - borderX * 2,
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pix.height() - borderY * 2);
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TQPainter p;
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p.begin(&pix);
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m_html->paint(&p, rc);
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p.end();
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img = pix.convertToImage();
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m_html->closeURL();
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return true;
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}
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void HTMLCreator::timerEvent(TQTimerEvent *)
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{
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tqApp->exit_loop();
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}
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void HTMLCreator::slotCompleted()
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{
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tqApp->exit_loop();
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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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