lcdpaintengine.h

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00001 
00023 #ifndef LCDPAINTENGINE_H
00024 #define LCDPAINTENGINE_H
00025 
00026  #include <QPaintDevice>
00027  #include <QPaintEngine>
00028 
00029  #include "module_interface.h"
00030 
00032 
00040  class LCDPaintEngine : public QPaintEngine
00041  {
00042   public:
00043         bool begin(QPaintDevice*);
00044         void drawEllipse(const QRectF&);
00045         void drawEllipse(const QRect&);
00046         void drawImage(const QRectF&, const QImage&, const QRectF &, Qt::ImageConversionFlags flags = Qt::AutoColor );
00047         void drawLines(const QLineF*, int);
00048         void drawLines(const QLine*, int);
00049         void drawPath(const QPainterPath&);
00050         void drawPixmap(const QRectF&, const QPixmap&, const QRectF&);
00051         void drawPoints(const QPointF*, int);
00052         void drawPoints(const QPoint*, int);
00053         void drawPolygon(const QPointF*, int, QPaintEngine::PolygonDrawMode);
00054         void drawPolygon(const QPoint*, int, QPaintEngine::PolygonDrawMode);
00055         void drawRects(const QRectF*, int);
00056         void drawRects(const QRect*, int);
00057         void drawTextItem(const QPointF&, const QTextItem&);
00058         void drawTiledPixmap(const QRectF&, const QPixmap&, const QPointF);
00059         bool end();
00060         bool hasFeature(PaintEngineFeatures) const;
00061         QPaintEngine::Type type() const;
00062         void updateState(const QPaintEngineState&);
00063 
00064   private:
00065         ControllerInterface* m_controller; 
00066         QMatrix m_matrix; 
00067         QBrush m_brush;
00068         QPen m_pen;
00069  };
00070 
00072 
00093 class LCDPaintDevice : public QPaintDevice
00094 {
00095  public:
00096          inline int width() const { return metric(PdmWidth); }
00097          inline int height() const { return metric(PdmHeight); }
00098          inline int widthMM() const { return metric(PdmWidthMM); }
00099          inline int heightMM() const { return metric(PdmHeightMM); }
00100          inline int logicalDpiX() const { return metric(PdmDpiX); }
00101          inline int logicalDpiY() const { return metric(PdmDpiY); }
00102          inline int physicalDpiX() const { return metric(PdmPhysicalDpiX); }
00103          inline int physicalDpiY() const { return metric(PdmPhysicalDpiY); }
00104          inline int numColors() const { return metric(PdmNumColors); }
00105          inline int depth() const { return metric(PdmDepth); }
00106          QPaintEngine* paintEngine() const;
00107 
00108          void setSize(int, int);
00109          void setController(ControllerInterface*);
00110          static bool isControllerInit();
00111          static ControllerInterface* controller();
00112          
00113  protected:
00114          int metric ( PaintDeviceMetric metric ) const;
00115 
00116  private:
00117         static ControllerInterface* m_controller; 
00118         static QSize m_size;
00119 };
00120 #endif

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