151 lines
4.0 KiB
C++
151 lines
4.0 KiB
C++
/******************************************************************************
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* QSkinny - Copyright (C) 2016 Uwe Rathmann
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* This file may be used under the terms of the QSkinny License, Version 1.0
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*****************************************************************************/
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#ifndef QSK_GRAPHIC_H
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#define QSK_GRAPHIC_H
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#include "QskGlobal.h"
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#include <qmetatype.h>
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#include <qflags.h>
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#include <qpaintdevice.h>
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#include <qshareddata.h>
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class QskPainterCommand;
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class QskColorFilter;
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class QskGraphicPaintEngine;
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class QImage;
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class QPixmap;
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class QPainterPath;
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class QPaintEngine;
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class QPaintEngineState;
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class QTransform;
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class QSK_EXPORT QskGraphic : public QPaintDevice
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{
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public:
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enum RenderHint
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{
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RenderPensUnscaled = 0x1
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};
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typedef QFlags< RenderHint > RenderHints;
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enum CommandType
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{
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VectorData = 1 << 0,
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RasterData = 1 << 1,
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Transformation = 1 << 2
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};
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typedef QFlags< CommandType > CommandTypes;
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QskGraphic();
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QskGraphic( const QskGraphic& );
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QskGraphic( QskGraphic&& );
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~QskGraphic() override;
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QskGraphic& operator=( const QskGraphic& );
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QskGraphic& operator=( QskGraphic&& );
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bool operator==( const QskGraphic& ) const;
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bool operator!=( const QskGraphic& ) const;
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void reset();
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bool isNull() const;
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bool isEmpty() const;
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CommandTypes commandTypes() const;
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void render( QPainter* ) const;
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void render( QPainter*, const QskColorFilter&,
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QTransform* initialTransform = nullptr ) const;
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void render( QPainter*, const QSizeF&,
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Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) const;
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void render( QPainter*, const QPointF&,
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Qt::Alignment = Qt::AlignTop | Qt::AlignLeft ) const;
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void render( QPainter*, const QRectF&,
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Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) const;
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void render( QPainter*, const QRectF&, const QskColorFilter&,
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Qt::AspectRatioMode = Qt::IgnoreAspectRatio ) const;
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QPixmap toPixmap( qreal devicePixelRatio = 0.0 ) const;
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QPixmap toPixmap( const QSize&,
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Qt::AspectRatioMode = Qt::IgnoreAspectRatio,
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qreal devicePixelRatio = 0.0 ) const;
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QImage toImage( qreal devicePixelRatio = 0.0 ) const;
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QImage toImage( const QSize&,
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Qt::AspectRatioMode = Qt::IgnoreAspectRatio,
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qreal devicePixelRatio = 0.0 ) const;
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QRectF scaledBoundingRect( qreal sx, qreal sy ) const;
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QRectF boundingRect() const;
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QRectF controlPointRect() const;
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const QVector< QskPainterCommand >& commands() const;
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void setCommands( const QVector< QskPainterCommand >& );
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void setDefaultSize( const QSizeF& );
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QSizeF defaultSize() const;
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qreal heightForWidth( qreal width ) const;
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qreal widthForHeight( qreal height ) const;
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void setRenderHint( RenderHint, bool on = true );
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bool testRenderHint( RenderHint ) const;
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RenderHints renderHints() const;
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QPaintEngine* paintEngine() const override;
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int metric( PaintDeviceMetric metric ) const override;
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static QskGraphic fromImage( const QImage& );
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static QskGraphic fromPixmap( const QPixmap& );
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protected:
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friend class QskGraphicPaintEngine;
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virtual QSize sizeMetrics() const;
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virtual void drawPath( const QPainterPath& );
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virtual void drawPixmap( const QRectF&,
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const QPixmap&, const QRectF& );
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virtual void drawImage( const QRectF&,
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const QImage&, const QRectF&, Qt::ImageConversionFlags );
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virtual void updateState( const QPaintEngineState& state );
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private:
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void updateBoundingRect( const QRectF& );
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void updateControlPointRect( const QRectF& );
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class PrivateData;
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QSharedDataPointer< PrivateData > m_data;
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mutable QskGraphicPaintEngine* m_paintEngine;
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};
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inline bool QskGraphic::operator!=( const QskGraphic& other ) const
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{
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return !( *this == other );
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}
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Q_DECLARE_OPERATORS_FOR_FLAGS( QskGraphic::RenderHints )
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Q_DECLARE_OPERATORS_FOR_FLAGS( QskGraphic::CommandTypes )
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Q_DECLARE_METATYPE( QskGraphic )
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#endif
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