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56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
// Copyright (C) 2016 The Qt Company Ltd.
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// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
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#include "imageitem.h"
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#include "gestures.h"
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#include <QPainter>
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#include <QEvent>
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ImageItem::ImageItem(const QImage &image)
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{
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setImage(image);
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}
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void ImageItem::setImage(const QImage &image)
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{
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image_ = image;
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pixmap_ = QPixmap::fromImage(image.scaled(400, 400, Qt::KeepAspectRatio));
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update();
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}
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QImage ImageItem::image() const
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{
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return image_;
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}
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QRectF ImageItem::boundingRect() const
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{
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const QSize size = pixmap_.size();
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return QRectF(0, 0, size.width(), size.height());
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}
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void ImageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem*, QWidget*)
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{
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painter->drawPixmap(0, 0, pixmap_);
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}
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GestureImageItem::GestureImageItem(const QImage &image)
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: ImageItem(image)
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{
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grabGesture(Qt::PanGesture);
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grabGesture(ThreeFingerSlideGesture::Type);
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}
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bool GestureImageItem::event(QEvent *event)
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{
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if (event->type() == QEvent::Gesture) {
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qDebug("gestureimageitem: gesture triggered");
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return true;
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}
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return ImageItem::event(event);
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}
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#include "moc_imageitem.cpp"
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