qskinny/src/controls/QskGraphicLabel.h

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2017-07-21 18:21:34 +02:00
/******************************************************************************
* QSkinny - Copyright (C) 2016 Uwe Rathmann
* This file may be used under the terms of the QSkinny License, Version 1.0
*****************************************************************************/
#ifndef QSK_GRAPHIC_LABEL_H
#define QSK_GRAPHIC_LABEL_H
#include "QskGlobal.h"
#include "QskControl.h"
class QskGraphic;
class QskColorFilter;
class QSK_EXPORT QskGraphicLabel : public QskControl
{
Q_OBJECT
Q_PROPERTY( QUrl source READ source WRITE setSource NOTIFY sourceChanged )
Q_PROPERTY( bool mirror READ mirror WRITE setMirror NOTIFY mirrorChanged )
Q_PROPERTY( QSize sourceSize READ sourceSize
WRITE setSourceSize RESET resetSourceSize NOTIFY sourceSizeChanged )
Q_PROPERTY( Qt::Alignment alignment READ alignment
WRITE setAlignment NOTIFY alignmentChanged )
Q_PROPERTY( FillMode fillMode READ fillMode
WRITE setFillMode NOTIFY fillModeChanged )
using Inherited = QskControl;
public:
QSK_SUBCONTROLS( Graphic )
enum FillMode
{
Stretch,
PreserveAspectFit,
PreserveAspectCrop,
Pad
};
Q_ENUM( FillMode )
QskGraphicLabel( QQuickItem* parent = nullptr );
QskGraphicLabel( const QUrl& url, QQuickItem* parent = nullptr );
QskGraphicLabel( const QString& url, QQuickItem* parent = nullptr );
QskGraphicLabel( const QskGraphic&, QQuickItem* parent = nullptr );
virtual ~QskGraphicLabel();
QskGraphic graphic() const;
virtual QskColorFilter graphicFilter() const;
QUrl source() const;
void setSource( const QUrl& url );
void setSourceSize( const QSize& size );
void resetSourceSize();
QSize sourceSize() const;
QSizeF effectiveSourceSize() const;
void setMirror( bool on );
bool mirror() const;
void setAlignment( Qt::Alignment );
Qt::Alignment alignment() const;
void setFillMode( FillMode );
FillMode fillMode() const;
virtual qreal heightForWidth( qreal width ) const override;
virtual qreal widthForHeight( qreal height ) const override;
virtual QSizeF contentsSizeHint() const override;
bool isEmpty() const;
Q_SIGNALS:
void sourceChanged();
void mirrorChanged();
void sourceSizeChanged();
void alignmentChanged();
void fillModeChanged();
public Q_SLOTS:
void setGraphic( const QskGraphic& );
protected:
virtual void changeEvent( QEvent* ) override;
virtual void updateLayout() override;
virtual QskGraphic loadSource( const QUrl& ) const;
private:
class PrivateData;
std::unique_ptr< PrivateData > m_data;
};
#endif