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EXAMPLES
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IDRAW
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RUBBANDS.H
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1980-01-05
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/*
* 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.
*/
// $Header: rubbands.h,v 1.9 89/10/09 14:49:20 linton Exp $
// defines classes IStretchingRect, RubberMultiLine, and RubberPolygon.
#ifndef rubbands_h
#define rubbands_h
#include <InterViews/rubcurve.h>
#include <InterViews/rubline.h>
#include <InterViews/rubrect.h>
// An IStretchingRect uses its first few Track calls to decide which
// side it will let the user drag.
class IStretchingRect : public StretchingRect {
public:
IStretchingRect(Painter*, Canvas*, Coord, Coord, Coord, Coord,
Coord = 0, Coord = 0);
void Track(Coord, Coord);
void DefineSide(Coord, Coord);
Alignment CurrentSide(boolean landscape);
protected:
boolean firsttime; // stores true until after first call of Track
boolean undefinedside; // stores true until side has been determined
Coord cx, cy; // stores original center of rectangle
Coord origx, origy; // stores point passed by first call of Track
};
// A RubberMultiLine lets the user drag one of its vertices.
class RubberMultiLine : public RubberVertex {
public:
RubberMultiLine(
Painter*, Canvas*, Coord px[], Coord py[], int n, int pt,
Coord offx = 0, Coord offy = 0
);
void Draw();
};
// A RubberPolygon lets the user drag one of its vertices.
class RubberPolygon : public RubberVertex {
public:
RubberPolygon(
Painter*, Canvas*, Coord px[], Coord py[], int n, int pt,
Coord offx = 0, Coord offy = 0
);
void Draw();
};
#endif