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	Search   basicgraph.h /*************************************************************************** basicgraph.h - description ------------------- begin : Thu May 30 2002 copyright : (C) 2002 by Fungmeista email : mizunoami44@users.sourceforge.net ***************************************************************************/ /*************************************************************************** * * * 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. * * * ***************************************************************************/ #ifndef BASICGRAPH_H #define BASICGRAPH_H #include <qwidget.h> #include <vector> #include "commongraph.h" #include "mathfunctionimplementor.h" #ifdef KDE_APP class KPrinter; #else class QPrinter; #endif class QPainter; class QPixmap; class Mathfunction; class GraphEvent; class BasicGraph : public QWidget, public CommonGraph, public MathFunctionImplementor { Q_OBJECT public: BasicGraph ( QWidget *parent=0, const char *name=0 ); virtual ~BasicGraph(); virtual void load_key( const char *key, const char *value ); QColor axisColor() const; QColor gridColor() const; QColor backgroundColor() const; QColor scaleColor() const; #ifdef KDE_APP virtual void print(KPrinter *); #else virtual void print(QPrinter *); #endif //KDE_APP int setXMin(double xMin); int setXMax(double xMax); int setXScale(double xScale); int setYMin(double yMin); int setYMax(double yMax); int setYScale(double yScale); inline double getXMin() const{return xMin;} inline double getXMax() const{return xMax;} inline double getYMin() const{return yMin;} inline double getYMax() const{return yMax;} inline double getXScale() const{return xScale2;} inline double getYScale() const{return yScale2;} inline double getRScale() const{return getXScale();} inline double getAScale() const{return getYScale();} inline bool getAxisState() const{return showAxis;} inline bool getGridState() const{return showGrid;} inline bool getScaleState() const{return showScale;} int getXZoomFactor() const; int getYZoomFactor() const; inline double getMouseX() const{return mouseX;} inline double getMouseY() const{return mouseY;} inline QPoint getMousePoint() const{return QPoint(toPixelXCoord(mouseX),toPixelYCoord(mouseY));} int setRange(double xMin,double xMax,double yMin,double yMax); inline virtual void setSnapToGrid(bool b){snapToGrid = b;} inline virtual bool isSnapToGrid() const{return snapToGrid;} virtual void installMathFunctions(); virtual int execMathFunction( const char * id ); void offscreenResize(int width, int height); public slots: int setAScale(double d){return setYScale(d);} int setRScale(double d){return setXScale(d);} void setGrid(bool); void setAxis(bool); void setGridNum(bool); void setScale(bool); void setXZoomFactor(int); void setYZoomFactor(int); void setAxisColor(const QColor &); void setGridColor(const QColor &); void setBackgroundColor(const QColor &); void setScaleColor(const QColor &); void zoomIn(); void zoomOut(); void setAxisWidth(int); void zoomStd(); void zoomBox(); signals: void dimensionsChanged( const GraphEvent & ); void activeCoordinateChanged( const QString &, const QString & = QString(), const QString & = QString() ); void infoMessageReady( const QString & ); protected: friend class MathFunction; void setMouseX(double x_coordiniate,bool snapToGrid=true); void setMouseY(double y_coordiniate,bool snapToGrid=true); virtual void drawAfterAxis(QPainter *){} inline virtual double snapIntervalX() const{return xScale2;} inline virtual double snapIntervalY() const{return yScale2;} inline virtual double startSnap() const{return 0;} virtual void updateCoords(); void paint(QPainter*); void setCoordinateStyle(int i){mode = i;} double toGraphXCoord(double) const; double toGraphYCoord(double) const; int toPixelXCoord(double) const; int toPixelYCoord(double) const; void updateGraph(); void emitDimensionsChanged(); double xMin,xMax,xScale2,yMin,yMax,yScale2,xScale,yScale,mouseX,mouseY; int xZoom,yZoom,axisWidth; QFont graphFont,scaleFont; QPainter *p; QPixmap *buffer; //events void paintEvent (QPaintEvent *); void resizeEvent (QResizeEvent *); void mouseDoubleClickEvent (QMouseEvent *); void mouseMoveEvent(QMouseEvent *); void mousePressEvent(QMouseEvent *); void mouseReleaseEvent ( QMouseEvent *); private: bool mouseDown, doingZoomBox, snapToGrid; bool showAxis,showGrid,showGridNum,showScale; int mode; QPoint origin, lastClick; double lastClickGraphCoordX,lastClickGraphCoordY; QColor _axisColor,_gridColor,_backgroundColor,_scaleColor; void drawGrid (QPainter *); void drawScale(QPainter *); void drawAxis (QPainter *); }; #endif