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RUBCURVE.H
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C/C++ Source or Header
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1980-01-03
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6KB
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200 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Rubberbanding for curves.
*/
#ifndef rubcurve_h
#define rubcurve_h
#include <InterViews/rubband.h>
class RubberEllipse : public Rubberband {
public:
RubberEllipse(
Painter*, Canvas*, Coord cx, Coord cy, Coord rx, Coord ry,
Coord offx = 0, Coord offy = 0
);
virtual void GetOriginal(Coord& cx, Coord& cy, Coord& rx, Coord& ry);
virtual void GetCurrent(Coord& cx, Coord& cy, Coord& rx, Coord& ry);
virtual void OriginalRadii(int& xr, int& yr);
virtual void CurrentRadii(int& xr, int& yr);
virtual void Draw();
protected:
Coord centerx, radiusx;
Coord centery, radiusy;
};
class SlidingEllipse : public RubberEllipse {
public:
SlidingEllipse(
Painter*, Canvas*, Coord cx, Coord cy, Coord xr, Coord yr,
Coord rfx, Coord rfy, Coord offx = 0, Coord offy = 0
);
virtual void GetCurrent(Coord& cx, Coord& cy, Coord& xr, Coord& yr);
virtual void OriginalRadii(int&, int&);
virtual void CurrentRadii(int&, int&);
protected:
Coord refx;
Coord refy;
};
class RubberCircle : public RubberEllipse {
public:
RubberCircle(
Painter*, Canvas*, Coord cx, Coord cy, Coord rx, Coord ry,
Coord offx = 0, Coord offy = 0
);
virtual void OriginalRadii(int& xr, int& yr);
virtual void CurrentRadii(int& xr, int& yr);
virtual void Draw();
};
class RubberPointList : public Rubberband {
public:
RubberPointList(
Painter*, Canvas*, Coord px[], Coord py[], int n,
Coord offx = 0, Coord offy = 0
);
~RubberPointList();
protected:
void Copy(Coord*, Coord*, int, Coord*&, Coord*&);
protected:
Coord *x;
Coord *y;
int count;
};
class RubberVertex : public RubberPointList {
public:
RubberVertex(
Painter*, Canvas*, Coord px[], Coord py[], int n, int pt,
Coord offx = 0, Coord offy = 0
);
virtual void GetOriginal(Coord*& px, Coord*& py, int& n, int& pt);
virtual void GetCurrent(Coord*& px, Coord*& py, int& n, int& pt);
protected:
void DrawSplineSection (Painter*, Canvas*, Coord x[], Coord y[]);
protected:
int rubberPt;
};
class RubberHandles : public RubberVertex {
public:
RubberHandles(
Painter*, Canvas*, Coord x[], Coord y[], int n, int pt, int size,
Coord offx = 0, Coord offy = 0
);
virtual void Track(Coord x, Coord y);
virtual void Draw();
protected:
int d; /* half of handle size */
};
class RubberSpline : public RubberVertex {
public:
RubberSpline(
Painter*, Canvas*, Coord px[], Coord py[], int n, int pt,
Coord offx = 0, Coord offy = 0
);
virtual void Draw();
};
class RubberClosedSpline : public RubberVertex {
public:
RubberClosedSpline(
Painter*, Canvas*, Coord px[], Coord py[], int n, int pt,
Coord offx = 0, Coord offy = 0
);
virtual void Draw();
};
class SlidingPointList : public RubberPointList {
public:
SlidingPointList (
Painter*, Canvas*, Coord px[], Coord py[], int n,
Coord rfx, Coord rfy, Coord offx = 0, Coord offy = 0
);
virtual void GetOriginal(Coord*& px, Coord*& py, int& n);
virtual void GetCurrent(Coord*& px, Coord*& py, int& n);
virtual void Draw();
virtual void Track(Coord x, Coord y);
protected:
Coord refx;
Coord refy;
};
class SlidingLineList : public SlidingPointList {
public:
SlidingLineList(
Painter*, Canvas*, Coord x[], Coord y[], int n,
Coord rfx, Coord rfy, Coord offx = 0, Coord offy = 0
);
virtual void Draw();
};
class ScalingLineList : public RubberPointList {
public:
ScalingLineList (
Painter*, Canvas*, Coord px[], Coord py[], int n,
Coord cx, Coord cy, Coord rfx, Coord rfy,
Coord offx = 0, Coord offy = 0
);
virtual ~ScalingLineList();
virtual void GetOriginal(Coord*& px, Coord*& py, int& n);
virtual void GetCurrent(Coord*& px, Coord*& py, int& n);
virtual void Track(Coord, Coord);
virtual void Draw();
float CurrentScaling();
protected:
virtual void Update();
protected:
Coord* newx, *newy;
Coord centerx, centery;
float origVal;
};
class RotatingLineList : public ScalingLineList {
public:
RotatingLineList (
Painter*, Canvas*, Coord px[], Coord py[], int n,
Coord cx, Coord cy, Coord rfx, Coord rfy,
Coord offx = 0, Coord offy = 0
);
float OriginalAngle() { return origVal; }
float CurrentAngle();
protected:
virtual void Update();
};
#endif