plasma-framework/declarativeimports/qtextracomponents/qimageitem.h

80 lines
3.1 KiB
C++

/***************************************************************************
* Copyright 2011 Marco Martin <mart@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#ifndef QIMAGEITEM_H
#define QIMAGEITEM_H
#include <QQuickItem>
#include <QImage>
class QImageItem : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QImage image READ image WRITE setImage NOTIFY imageChanged)
Q_PROPERTY(bool smooth READ smooth WRITE setSmooth)
Q_PROPERTY(int nativeWidth READ nativeWidth NOTIFY nativeWidthChanged)
Q_PROPERTY(int nativeHeight READ nativeHeight NOTIFY nativeHeightChanged)
Q_PROPERTY(FillMode fillMode READ fillMode WRITE setFillMode NOTIFY fillModeChanged)
Q_PROPERTY(bool null READ isNull NOTIFY nullChanged)
Q_ENUMS(FillMode)
public:
enum FillMode {
Stretch, // the image is scaled to fit
PreserveAspectFit, // the image is scaled uniformly to fit without cropping
PreserveAspectCrop, // the image is scaled uniformly to fill, cropping if necessary
Tile, // the image is duplicated horizontally and vertically
TileVertically, // the image is stretched horizontally and tiled vertically
TileHorizontally //the image is stretched vertically and tiled horizontally
};
QImageItem(QQuickItem *parent=0);
~QImageItem();
void setImage(const QImage &image);
QImage image() const;
void setSmooth(const bool smooth);
bool smooth() const;
int nativeWidth() const;
int nativeHeight() const;
FillMode fillMode() const;
void setFillMode(FillMode mode);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
bool isNull() const;
Q_SIGNALS:
void nativeWidthChanged();
void nativeHeightChanged();
void fillModeChanged();
void imageChanged();
void nullChanged();
private:
QImage m_image;
bool m_smooth;
FillMode m_fillMode;
};
#endif