64 lines
2.1 KiB
C++
64 lines
2.1 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2014 Craig Drummond <craig.p.drummond@gmail.com>
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*
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* ----
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. 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 "textbrowser.h"
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#include <QImage>
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#include <QScrollBar>
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TextBrowser::TextBrowser(QWidget *p)
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: QTextBrowser(p)
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{
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origZoomValue=font().pointSize();
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}
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// QTextEdit/QTextBrowser seems to do FastTransformation when scaling images, and this looks bad.
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QVariant TextBrowser::loadResource(int type, const QUrl &name)
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{
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if (QTextDocument::ImageResource==type) {
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if ((name.scheme().isEmpty() || QLatin1String("file")==name.scheme())) {
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QImage img;
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img.load(name.path());
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if (!img.isNull()) {
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return img.scaled(picSize(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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} else if (QLatin1String("data")==name.scheme()) {
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QByteArray encoded=name.toEncoded();
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static const QString constStart("data:image/png;base64,");
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encoded=QByteArray::fromBase64(encoded.mid(constStart.length()));
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QImage img;
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img.loadFromData(encoded);
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if (!img.isNull()) {
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return img.scaled(picSize(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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}
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}
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return QTextBrowser::loadResource(type, name);
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}
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void TextBrowser::setPal(const QPalette &pal)
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{
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setPalette(pal);
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verticalScrollBar()->setPalette(pal);
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horizontalScrollBar()->setPalette(pal);
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}
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