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60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/*
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Copyright (C) 2014 by Project Tox <https://tox.im>
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This file is part of qTox, a Qt-based graphical interface for Tox.
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This program is libre 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 3 of the License, or
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(at your option) any later version.
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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.
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See the COPYING file for more details.
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*/
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#include "maskablepixmapwidget.h"
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#include <QPainter>
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MaskablePixmapWidget::MaskablePixmapWidget(QWidget *parent, QSize size, QString maskName)
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: QWidget(parent)
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{
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setFixedSize(size);
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mask = QPixmap(maskName).scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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}
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void MaskablePixmapWidget::setPixmap(const QPixmap &pmap)
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{
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pixmap = pmap.scaled(width(), height(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
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}
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QPixmap MaskablePixmapWidget::getPixmap() const
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{
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return pixmap;
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}
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void MaskablePixmapWidget::paintEvent(QPaintEvent *)
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{
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QPixmap tmp(width(), height());
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tmp.fill(Qt::transparent);
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QPoint offset((width() - pixmap.size().width())/2,(height() - pixmap.size().height())/2); // centering the pixmap
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QPainter painter(&tmp);
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painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
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painter.fillRect(0,0,width(),height(),Qt::white);
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painter.drawPixmap(offset,pixmap);
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painter.setCompositionMode(QPainter::CompositionMode_DestinationIn);
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painter.drawPixmap(0,0,mask);
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painter.end();
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painter.begin(this);
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painter.drawPixmap(0,0,tmp);
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}
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void MaskablePixmapWidget::mousePressEvent(QMouseEvent*)
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{
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emit clicked();
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}
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