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EXAMPLES
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IDRAW
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SLLINES.H
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C/C++ Source or Header
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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: sllines.h,v 1.8 89/10/09 14:49:32 linton Exp $
// declares classes LineSelection and MultiLineSelection.
#ifndef sllines_h
#define sllines_h
#include "selection.h"
// A LineSelection draws a line.
class LineSelection : public NPtSelection {
public:
LineSelection(Coord, Coord, Coord, Coord, Graphic* = nil);
LineSelection(istream&, State*);
Graphic* Copy();
void GetOriginal2(Coord&, Coord&, Coord&, Coord&);
int GetOriginal(const Coord*&, const Coord*&);
protected:
void WriteData(ostream&);
RubberVertex* CreateRubberVertex(Coord*, Coord*, int, int);
Selection* CreateReshapedCopy(Coord*, Coord*, int);
void uncacheChildren();
void getExtent(float&, float&, float&, float&, float&, Graphic*);
boolean contains(PointObj&, Graphic*);
boolean intersects(BoxObj&, Graphic*);
void draw(Canvas*, Graphic*);
void drawClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
Graphic* line; // draws the line
};
// A MultiLineSelection draws a set of connected lines with a filled
// interior.
class MultiLineSelection : public NPtSelection {
public:
MultiLineSelection(Coord*, Coord*, int, Graphic* = nil);
MultiLineSelection(istream&, State*);
Graphic* Copy();
int GetOriginal(const Coord*&, const Coord*&);
protected:
void Init(Coord*, Coord*, int);
RubberVertex* CreateRubberVertex(Coord*, Coord*, int, int);
Selection* CreateReshapedCopy(Coord*, Coord*, int);
void uncacheChildren();
void getExtent(float&, float&, float&, float&, float&, Graphic*);
boolean contains(PointObj&, Graphic*);
boolean intersects(BoxObj&, Graphic*);
void draw(Canvas*, Graphic*);
void drawClipped(Canvas*, Coord, Coord, Coord, Coord, Graphic*);
Graphic* ifillmultiline; // fills a set of connected lines
Graphic* multiline; // draws a set of connected lines
Coord lx0, ly0, lx1, ly1; // stores endpoints of left arrowhead
Coord rx0, ry0, rx1, ry1; // stores endpoints of right arrowhead
};
#endif