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https://github.com/qTox/qTox.git
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cabcf4111f
Conform with readability-named-parameter and readability-inconsistent-declaration-parameter-name
116 lines
3.0 KiB
C++
116 lines
3.0 KiB
C++
/*
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Copyright © 2014-2019 by The qTox Project Contributors
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox 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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qTox 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "maskablepixmapwidget.h"
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#include <QPainter>
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#include <QStyle>
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/**
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* @var QPixmap* MaskablePixmapWidget::renderTarget
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* @brief pointer to dynamically call the constructor.
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*/
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MaskablePixmapWidget::MaskablePixmapWidget(QWidget* parent, QSize size, QString maskName_)
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: QLabel("", parent)
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, renderTarget(nullptr)
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, maskName(maskName_)
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, clickable(false)
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{
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setSize(size);
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}
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MaskablePixmapWidget::~MaskablePixmapWidget()
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{
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delete renderTarget;
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}
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void MaskablePixmapWidget::setClickable(bool clickable_)
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{
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clickable = clickable_;
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if (clickable) {
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setCursor(Qt::PointingHandCursor);
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} else {
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unsetCursor();
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}
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}
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void MaskablePixmapWidget::setPixmap(const QPixmap& pmap)
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{
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if (pmap.isNull()) {
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return;
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}
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unscaled = pmap;
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pixmap = pmap.scaled(width(), height(),
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Qt::KeepAspectRatio,
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Qt::SmoothTransformation);
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updatePixmap();
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update();
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}
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QPixmap MaskablePixmapWidget::getPixmap() const
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{
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return *renderTarget;
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}
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void MaskablePixmapWidget::setSize(QSize size)
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{
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setFixedSize(size);
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delete renderTarget;
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renderTarget = new QPixmap(size);
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QPixmap pmapMask = QPixmap(maskName);
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if (!pmapMask.isNull()) {
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mask = pmapMask.scaled(size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
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}
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if (!unscaled.isNull()) {
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pixmap = unscaled.scaled(width(), height(),
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Qt::KeepAspectRatio,
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Qt::SmoothTransformation);
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updatePixmap();
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update();
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}
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}
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void MaskablePixmapWidget::mousePressEvent(QMouseEvent* event)
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{
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std::ignore = event;
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if (clickable) {
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emit clicked();
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}
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}
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void MaskablePixmapWidget::updatePixmap()
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{
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renderTarget->fill(Qt::transparent);
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QPoint offset((width() - pixmap.size().width()) / 2,
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(height() - pixmap.size().height()) / 2); // centering the pixmap
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QPainter painter(renderTarget);
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painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
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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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QLabel::setPixmap(*renderTarget);
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}
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