/usr/include/Unidraw/Graphic/geomobjs.h is in ivtools-dev 1.2.11a1-11.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | /*
* Copyright (c) 1994 Vectaport Inc.
* Copyright (c) 1990, 1991 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 names of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any purpose.
* It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.
*/
/*
* Interface to geometrical objects used to implement Graphic primitives.
*/
#ifndef unidraw_graphic_geomobjs_h
#define unidraw_graphic_geomobjs_h
#include <cstdio>
#include <IV-2_6/InterViews/defs.h>
#include <Unidraw/enter-scope.h>
#include <InterViews/resource.h>
#include <IV-2_6/_enter.h>
#define GEOMOBJS_DEFINED
#include <leakchecker.h>
class UList;
#include <iosfwd>
//: point geometric object
// <a href=../man3.1/geomobjs.html>man page</a>
class PointObj {
public:
PointObj(Coord = 0, Coord = 0);
PointObj(PointObj*);
float Distance(PointObj&);
public:
Coord _x, _y;
};
//: line geometric object
// <a href=../man3.1/geomobjs.html>man page</a>
class LineObj {
public:
LineObj(Coord = 0, Coord = 0, Coord = 0, Coord = 0);
LineObj(LineObj*);
boolean Contains(PointObj&);
int Same(PointObj& p1, PointObj& p2);
boolean Intersects(LineObj&);
public:
PointObj _p1, _p2;
};
//: box geometric object
// <a href=../man3.1/geomobjs.html>man page</a>
class BoxObj {
public:
BoxObj(Coord = 0, Coord = 0, Coord = 0, Coord = 0);
BoxObj(BoxObj*);
boolean Contains(PointObj&);
boolean Intersects(BoxObj&);
boolean Intersects(LineObj&);
BoxObj operator-(BoxObj&);
BoxObj operator+(BoxObj&);
boolean Within(BoxObj&);
public:
Coord _left, _right;
Coord _bottom, _top;
};
//: multi-line geometric object
// <a href=../man3.1/geomobjs.html>man page</a>
class MultiLineObj : public Resource {
public:
MultiLineObj(Coord* = nil, Coord* = nil, int = 0);
virtual ~MultiLineObj();
void GetBox(BoxObj& b);
boolean Contains(PointObj&);
boolean Intersects(LineObj&);
boolean Intersects(BoxObj&);
boolean Within(BoxObj&);
void SplineToMultiLine(Coord* cpx, Coord* cpy, int cpcount);
void ClosedSplineToPolygon(Coord* cpx, Coord* cpy, int cpcount);
protected:
void GrowBuf();
boolean CanApproxWithLine(
double x0, double y0, double x2, double y2, double x3, double y3
);
void AddLine(double x0, double y0, double x1, double y1);
void AddBezierArc(
double x0, double y0, double x1, double y1,
double x2, double y2, double x3, double y3
);
void CalcSection(
Coord cminus1x, Coord cminus1y, Coord cx, Coord cy,
Coord cplus1x, Coord cplus1y, Coord cplus2x, Coord cplus2y
);
public:
Coord* _x, *_y;
int _count;
UList* _ulist;
int _pts_made;
Coord* x() {return _x;}
Coord* y() {return _y;}
int count() {return _count;}
virtual boolean operator == (MultiLineObj&);
virtual boolean operator != (MultiLineObj&);
static MultiLineObj* make_pts(const Coord* x, const Coord*y, int npts);
static void CompactPoints(boolean flag) {_pts_by_n_enabled=flag;}
protected:
static UList** _pts_by_n;
static int _pts_by_n_size;
static boolean _pts_by_n_enabled;
#ifdef LEAKCHECK
public:
static LeakChecker* _leakchecker;
#endif
};
//: filled polygon geometric object
// <a href=../man3.1/geomobjs.html>man page</a>
class FillPolygonObj : public MultiLineObj {
public:
FillPolygonObj(Coord* = nil, Coord* = nil, int = 0);
virtual ~FillPolygonObj();
boolean Contains(PointObj&);
boolean Intersects(LineObj&);
boolean Intersects(BoxObj&);
protected:
void Normalize();
protected:
Coord* _normx, *_normy;
int _normCount;
};
//: geometric extent object
// <a href=../man3.1/geomobjs.html>man page</a>
class Extent {
public:
Extent(float = 0, float = 0, float = 0, float = 0, float = 0);
Extent(Extent&);
boolean Undefined();
boolean Within(Extent& e);
void Merge(Extent&);
public:
/* defines lower left and center of an object */
float _left, _bottom, _cx, _cy, _tol;
};
/*
* inlines
*/
inline boolean Extent::Undefined () { return _left == _cx && _bottom == _cy; }
#include <IV-2_6/_leave.h>
#endif
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