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98 lines
2.5 KiB
C++
98 lines
2.5 KiB
C++
/*
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Copyright 2013 Aurélien Gâteau <agateau@kde.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License or (at your option) version 3 or any later version
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accepted by the membership of KDE e.V. (or its successor approved
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by the membership of KDE e.V.), which shall act as a proxy
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defined in Section 14 of version 3 of the license.
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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
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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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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// Self
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#include <image.h>
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// Local
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// KDE
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#include <KDebug>
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#include <KIcon>
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// Qt
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#include <QPainter>
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#include <QStyleOptionGraphicsItem>
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Image::Image(QDeclarativeItem *parent)
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: QDeclarativeItem(parent)
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{
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setFlag(QGraphicsItem::ItemHasNoContents, false);
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}
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Image::~Image()
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{
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}
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QVariant Image::source() const
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{
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return m_source;
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}
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void Image::setSource(const QVariant &source)
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{
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if (source == m_source) {
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return;
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}
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m_source = source;
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reload();
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sourceChanged();
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}
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void Image::reload()
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{
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const int extent = qMin(width(), height());
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if (m_source.canConvert<QString>()) {
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KIcon icon(m_source.toString());
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m_pixmap = icon.pixmap(extent);
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} else if (m_source.canConvert<QIcon>()) {
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QIcon icon = m_source.value<QIcon>();
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m_pixmap = icon.pixmap(extent);
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} else {
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if (m_source.isValid()) {
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kWarning() << "Don't know how to handle source" << m_source;
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}
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m_pixmap = QPixmap();
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}
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// Always update, even if we do not have valid content. If we had content
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// before, we need to erase it.
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update();
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}
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void Image::geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry)
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{
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if (newGeometry.size() != oldGeometry.size()) {
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reload();
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}
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}
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void Image::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *)
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{
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if (m_pixmap.isNull()) {
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return;
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}
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const QRect &rect = option->rect;
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painter->drawPixmap(
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rect.x() + (rect.width() - m_pixmap.width())/ 2,
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rect.y() + (rect.height() - m_pixmap.height()) / 2,
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m_pixmap);
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}
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#include "moc_image.cpp"
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