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authorTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:06 -0600
committerTimothy Pearson <kb9vqf@pearsoncomputing.net>2011-11-16 16:06:06 -0600
commit34784ccef6ac9dd33b4460560c68e5422a73560a (patch)
treea206e2a4050c2861ce0706a8fd3542ff29e234e1 /libkdeedu/kdeeduplot/kplotobject.h
parent89354dfc31a795bae9415f79bb07b32be643e4f4 (diff)
downloadtdeedu-34784ccef6ac9dd33b4460560c68e5422a73560a.tar.gz
tdeedu-34784ccef6ac9dd33b4460560c68e5422a73560a.zip
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-/***************************************************************************
- kplotobject.h - A list of points to be plotted
- -------------------
- begin : Sun 18 May 2003
- copyright : (C) 2003 by Jason Harris
- email : kstars@30doradus.org
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * 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 KPLOTOBJECT_H
-#define KPLOTOBJECT_H
-
-
-class TQString;
-class TQPainter;
-
-#include <kdemacros.h>
-
-/**class DRect
- *@short equivalent of TQRect with double x,y coordinates
- *@author Jason Harris
- *@version 1.0
- */
-class KDE_EXPORT DRect {
-public:
- DRect() { DRect( 0.0, 0.0, 1.0, 1.0 ); }
- DRect( double x, double y, double w, double h ) { X = x; Y = y; W = w; H = h; }
- ~DRect() {}
-
- double x() const { return X; }
- double y() const { return Y; }
- double x2() const { return X + W; }
- double y2() const { return Y + H; }
- double width() const { return W; }
- double height() const { return H; }
-
- void setX( double x ) { X = x; }
- void setY( double y ) { Y = y; }
- void setWidth( double w ) { W = w; }
- void setHeight( double h ) { H = h; }
-
-private:
- double X,Y,W,H;
-};
-
-/**class DPoint
- *@short equivalent of TQPoint with double x,y coordinates
- *@author Jason Harris
- *@version 1.0
- */
-class KDE_EXPORT DPoint {
-public:
- DPoint() { DPoint( 0.0, 0.0 ); }
- DPoint( double x, double y ) { setX( x ); setY( y ); }
- ~DPoint() {}
-
- double x() const { return X; }
- double y() const { return Y; }
-
- TQPoint qpoint( TQRect pb, DRect db ) {
- int px = pb.left() + int( pb.width()*( x() - db.x() )/db.width() );
- int py = pb.top() + int( pb.height()*( db.y2() - y() )/db.height() );
- return TQPoint( px, py );
- }
-
- void setX( double x ) { X = x; }
- void setY( double y ) { Y = y; }
-
-private:
- double X, Y;
-};
-
-/**@class KPlotObject
- *@short Encapsulates an object to be plotted in a KPlotWidget.
- *@author Jason Harris
- *@version 1.0
- *Each KPlotObject consists of a list of TQPoints, an object type, a color, a size,
- *and a TQString name. An additional integer (param) specifies something further
- *about the object's appearance, depending on its type. There is a draw function
- *for plotting the object on a KPlotWidget's TQPainter.
- */
-class KDE_EXPORT KPlotObject{
-public:
-/**@enum PTYPE
- *The Type classification of the KPlotObject
- */
- enum PTYPE { POINTS=0, CURVE=1, LABEL=2, POLYGON=3, UNKNOWN_TYPE };
-
-/**@enum PPARAM
- *Parameter specifying the kind of points
- */
- enum PPARAM { DOT=0, CIRCLE=1, SQUARE=2, LETTER=3, UNKNOWN_POINT };
-
-/**@enum CPARAM
- *Parameter specifying the kind of line. These are numerically equal to
- *the TQt::PenStyle enum values.
- */
- enum CPARAM { NO_LINE=0, SOLID=1, DASHED=2, DOTTED=3, DASHDOTTED=4, DASHDOTDOTTED=5, UNKNOWN_CURVE };
-
-/**Default constructor. Create a POINTS-type object with an empty list of points.
- */
- KPlotObject();
-
-/**Constructor. Create a KPlotObject according to the arguments.
- */
- KPlotObject( const TQString &name, const TQString &color, PTYPE otype, unsigned int size=2, unsigned int param=0 );
-
-/**Destructor (empty)
- */
- ~KPlotObject();
-
-/**@return the KPlotObject's Name
- */
- TQString name() const { return Name; }
-
-/**@short set the KPlotObject's Name
- *@param n the new name
- */
- void setName( const TQString &n ) { Name = n; }
-
-/**@return the KPlotObject's Color
- */
- TQString color() const { return Color; }
-
-/**@short set the KPlotObject's Color
- *@param c the new color
- */
- void setColor( const TQString &c ) { Color = c; }
-
-/**@return the KPlotObject's Type
- */
- PTYPE type() const { return Type; }
-
-/**@short set the KPlotObject's Type
- *@param t the new type
- */
- void setType( PTYPE t ) { Type = t; }
-
-/**@return the KPlotObject's Size
- */
- unsigned int size() const { return Size; }
-
-/**@short set the KPlotObject's Size
- *@param s the new size
- */
- void setSize( unsigned int s ) { Size = s; }
-
-/**@return the KPlotObject's type-specific Parameter
- *Parameter is an unsigned int because it can either be a PPARAM or a CPARAM enum.
- */
- unsigned int param() const { return Parameter; }
-
-/**@short set the KPlotObject's type-specific Parameter
- *@param p the new parameter
- *Parameter is an unsigned int because it can either be a PPARAM or a CPARAM enum.
- */
- void setParam( unsigned int p ) { Parameter = p; }
-
-/**@return a pointer to the DPoint at position i
- *@param i the index of the desired point.
- */
- DPoint* point( unsigned int i ) { return pList.at(i); }
-
- TQPtrList<DPoint>* points() { return &pList; }
-
-/**@short Add a point to the object's list.
- *@param p the DPoint to add.
- */
- void addPoint( const DPoint &p ) { pList.append( new DPoint( p.x(), p.y() ) ); }
-
-/**@short Add a point to the object's list. This is an overloaded function,
- *provided for convenience. It behaves essentially like the above function.
- *@param p pointer to the DPoint to add.
- */
- void addPoint( DPoint *p ) { pList.append( p ); }
-
-/**@short remove the TQPoint at position index from the list of points
- *@param index the index of the point to be removed.
- */
- void removePoint( unsigned int index );
-
-/**@return the number of TQPoints currently in the list
- */
- unsigned int count() const { return pList.count(); }
-
-/**@short clear the Object's points list
- */
- void clearPoints() { pList.clear(); }
-
-private:
- TQPtrList<DPoint> pList;
- PTYPE Type;
- unsigned int Size, Parameter;
- TQString Color, Name;
-};
-
-#endif