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	Search   glexpressiongraph.h /*************************************************************************** glexpressiongraph.h - description ------------------- begin : Fri Oct 18 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 GLEXPRESSIONGRAPH_H #define GLEXPRESSIONGRAPH_H #include <vector> #include <fstream> #include "expression.h" #include "cartesian3dcoord.h" #include "glbasicgraph.h" #include "animator.h" class FungParser; class GLExpressionGraph : public GLBasicGraph, public Animator { Q_OBJECT public: GLExpressionGraph(QWidget *parent=0, const char *name=0); ~GLExpressionGraph(); typedef std::vector< std::vector<Cartesian3DCoord> > Cartesian3DCoord2DVector; virtual void load_key( const char *key, const char *value ); inline void setAngle(int m){angle = m; recompileLists(); updateGL();} inline int getAngle() const{return angle;} void addExpression(const Expression &); void removeExpression(unsigned int); inline Expression getExpression(unsigned int i) const{return (functions.size() >= i + 1 && functions[i]) ? *functions[i] : Expression("",true,QColor());} inline int getCurrentExpressionIndex() const{return expressionIndex;} inline void setCurrentExpressionIndex(int i){ expressionIndex = i;} inline void setDrawConnected(bool b){drawConnected = b; recompileLists(); updateGL();} inline bool isDrawConnected() const{return drawConnected;} inline void setGrid(bool b){showGrid = b; recompileLists(); updateGL();} inline bool getGridState() const{return showGrid;} inline void setGridColor(const QColor &c){_gridColor = c; recompileLists(); updateGL();} inline QColor gridColor() const{return _gridColor;} inline bool isTracing() const{return doTrace;} inline void setTrace(bool b){doTrace = b; updateGL();} inline int expressionCount() const{return functions.size();} inline void setXRes(GLfloat f){xRes = f; xScale = (getXMax()-getXMin())/f;} inline void setYRes(GLfloat f){yRes = f; yScale = (getYMax()-getYMin())/f;} inline GLfloat getXRes() const{return xScale;} inline GLfloat getYRes() const{return yScale;} void exportToDXF( const char * ); public slots: void setResolution(int percent); int getResolution() const; void nextExpression(); void prevExpression(); void setShowCurrentExpression(bool state); void slotNextFrame(){nextFrame();} signals: void animationValueChanged(double); protected: void paintGL(); void initializeGL(); virtual double snapIntervalX() const{return xScale;} virtual double snapIntervalY() const{return yScale;} virtual void nextFrameReady(); /* Implement this function to let the ExpressionGraph know the independent variables which the graph takes. * Multiple variables should be seperated by commas. */ virtual const char * independent_vars() const = 0; /* Implement this function to let the ExpressionGraph know the dependent variables which the graph takes. */ virtual const char * dependent_var() const = 0; /* Implement this function which the ExpressionGraph calls when tracing to let it know the x, y, and z * coordinates of the trace box. */ virtual void trace(GLfloat mouseX, GLfloat mouseY, FungParser &parsed_expression, GLfloat *x, GLfloat *y, GLfloat *z) = 0; inline virtual GLfloat traceDepX(GLfloat x) const{return x;} inline virtual GLfloat traceDepY(GLfloat y) const{return y;} void recompileLists(); void orthoChanged(); void doColorBlend(GLfloat, const QColor &, GLfloat, GLfloat ); virtual Cartesian3DCoord2DVector getValues( FungParser &, GLfloat * = 0, GLfloat * = 0 ) = 0; //events void mouseMoveEvent(QMouseEvent *); void resizeGL( int w, int h ); GLfloat xScale, yScale; private: void compileList(GLuint, FungParser &, std::string &, const QColor &); void exportSingleExprDXF( const Cartesian3DCoord2DVector &, std::ofstream *output, int layer ); void drawCube(GLfloat x, GLfloat y, GLfloat z, GLfloat percentx, GLfloat percenty); std::vector<Expression*> functions; unsigned int expressionIndex; int angle; QColor _gridColor; bool drawConnected, showGrid, doTrace; GLfloat lastX,lastY,lastZ; GLfloat xRes,yRes; int x_percent_res, y_percent_res; }; #endif