67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
/*
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* Cantata
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*
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* Copyright (c) 2011-2013 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 <QPainter>
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static const int constMinSize=300;
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void TextBrowser::setImage(const QImage &img)
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{
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if (drawImage && (!img.isNull() || (img.isNull()!=image.isNull()))) {
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image=img;
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if (!image.isNull() && (image.width()<constMinSize || image.height()<constMinSize)) {
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image=image.scaled(QSize(constMinSize, constMinSize), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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viewport()->update();
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}
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}
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void TextBrowser::enableImage(bool e)
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{
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if (e!=drawImage) {
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drawImage=e;
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if (!drawImage) {
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image=QImage();
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}
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if (e) {
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viewport()->setAutoFillBackground(false);
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}
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viewport()->update();
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}
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}
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void TextBrowser::paintEvent(QPaintEvent *e)
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{
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if (drawImage && isReadOnly() && !image.isNull()) {
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QPainter p(viewport());
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p.setOpacity(0.15);
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p.fillRect(rect(), QBrush(image));
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} else if (!viewport()->autoFillBackground()) {
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QPainter p(viewport());
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p.fillRect(rect(), viewport()->palette().base());
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}
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QTextBrowser::paintEvent(e);
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}
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