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Canorus
0.7
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Canorus
0.7
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00001 00008 #ifndef DRAWABLE_H_ 00009 #define DRAWABLE_H_ 00010 00011 #include <QRect> 00012 #include <QColor> 00013 00014 class QPainter; 00015 00016 struct CADrawSettings { 00017 float z; // zoom level 00018 int x; // painter x pos in pixels 00019 int y; // painter y pos in pixels 00020 int w; // canvas width in pixels 00021 int h; // canvas height in pixels 00022 QColor color; // pen color 00023 double worldX; // x coordinate of the view 00024 double worldY; // y coordinate of the view 00025 }; 00026 00027 class CADrawable { 00028 public: 00029 enum CADrawableType { 00030 DrawableMusElement, 00031 DrawableContext 00032 }; 00033 00034 enum CADirection { 00035 Undefined, 00036 Top, 00037 Bottom, 00038 Left, 00039 Right, 00040 TopLeft, 00041 TopRight, 00042 BottomLeft, 00043 BottomRight 00044 }; 00045 00046 CADrawable( double x, double y ); // x and y position of an element in absolute world units 00047 virtual ~CADrawable() { } 00048 virtual void draw(QPainter *p, const CADrawSettings s) = 0; 00049 virtual CADrawable *clone(); 00050 00051 void drawHScaleHandles( QPainter *p, const CADrawSettings s ); 00052 void drawVScaleHandles( QPainter *p, const CADrawSettings s ); 00053 00054 inline CADrawableType drawableType() { return _drawableType; } 00055 inline double xPos() { return _xPos; } 00056 inline double yPos() { return _yPos; } 00057 inline double width() { return _width; } 00058 inline double height() { return _height; } 00059 inline double neededSpaceWidth() { return _neededSpaceWidth; } 00060 inline double neededSpaceHeight() { return _neededSpaceHeight; } 00061 inline double neededWidth() { return _width+_neededSpaceWidth; } 00062 inline double neededHeight() { return _height+_neededSpaceHeight; } 00063 inline double xCenter() { return _xPos + (_width)/2; } 00064 inline double yCenter() { return _yPos + (_height)/2; } 00065 inline const QRect bBox() { return QRect(_xPos, _yPos, _width, _height); } 00066 inline bool isVisible() { return _visible; } 00067 inline bool isSelectable() { return _selectable; } 00068 inline bool isHScalable() { return _hScalable; } 00069 inline bool isVScalable() { return _vScalable; } 00070 00071 inline void setXPos(double xPos) { _xPos = xPos; } 00072 inline void setYPos(double yPos) { _yPos = yPos; } 00073 inline void setWidth(double width) { _width = width; } 00074 inline void setHeight(double height) { _height = height; } 00075 inline void setNeededSpaceWidth( double width ) { _neededSpaceWidth = width; } 00076 inline void setNeededSpaceHeight( double height ) { _neededSpaceHeight = height; } 00077 inline void setVisible(bool v) { _visible = v; } 00078 inline void setSelectable(bool s) { _selectable = s; } 00079 inline void setHScalable(bool s) { _hScalable = s; } 00080 inline void setVScalable(bool s) { _vScalable = s; } 00081 00082 protected: 00083 void setDrawableType( CADrawableType t ) { _drawableType = t; }; 00084 00085 CADrawableType _drawableType; // DrawableMusElement or DrawableContext. 00086 double _xPos; 00087 double _yPos; 00088 double _width; // Element's width as it appears on the screen 00089 double _height; // Element's height as it appears on the screen 00090 double _neededSpaceWidth; // Minimum width the next element should be placed next to it by engraver 00091 double _neededSpaceHeight; // Minimum height the next element should be placed next to it by engraver 00092 bool _visible; 00093 bool _selectable; // Can the element be clicked on and is then selected 00094 bool _hScalable; // Can the element be streched horizontally 00095 bool _vScalable; // Can the element be streched vertically 00096 00097 static const int SCALE_HANDLES_SIZE; // Width and Height of the scale handles squares in pixels 00098 }; 00099 00100 #endif /* DRAWABLE_H_ */
1.8.0
