summaryrefslogtreecommitdiffstats
path: root/tksao/frame/segment.C
blob: 265441ed0ce529d580986688ddad116d90fbd5f9 (plain)
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
185
186
187
188
189
190
191
192
193
194
195
196
// Copyright (C) 1999-2018
// Smithsonian Astrophysical Observatory, Cambridge, MA, USA
// For conditions of distribution and use, see copyright notice in "copyright"

#include <tk.h>

#include "segment.h"
#include "fitsimage.h"

Segment::Segment(Base* p, const Vector& ctr,
		 const Vector& b)
  : BasePolygon(p,ctr,b)
{
  strcpy(type_, "segment");
  reset(b);
}

Segment::Segment(Base* p, const Vector& ctr,
		 const Vector& b,
		 const char* clr, int* dsh,
		 int wth, const char* fnt, const char* txt,
		 unsigned short prop, const char* cmt,
		 const List<Tag>& tg, const List<CallBack>& cb)
  : BasePolygon(p, ctr, b, clr, dsh, wth, fnt, txt, prop, cmt, tg, cb)
{
  strcpy(type_, "segment");
  reset(b);
}

Segment::Segment(Base* p, const List<Vertex>& v, 
		 const char* clr, int* dsh,
		 int wth, const char* fnt, const char* txt,
		 unsigned short prop, const char* cmt,
		 const List<Tag>& tg, const List<CallBack>& cb)
  : BasePolygon(p, v, clr, dsh, wth, fnt, txt, prop, cmt, tg, cb)
{
  strcpy(type_, "segment");
}

void Segment::renderX(Drawable drawable, Coord::InternalSystem sys, 
		      RenderMode mode)
{
  GC lgc = renderXGC(mode);

  vertex.head();
  Vector v1;
  Vector v2 = fwdMap(vertex.current()->vector,sys);
  vertex.next();

  do {
    v1 = v2;
    v2 = fwdMap(vertex.current()->vector,sys);
    XDrawLine(display, drawable, lgc, v1[0], v1[1], v2[0], v2[1]);
  } while (vertex.next());
}

void Segment::renderPS(int mode)
{
  renderPSGC(mode);

  vertex.head();
  int first = 1;
  ostringstream str;
  do {
    Vector v =  fwdMap(vertex.current()->vector,Coord::CANVAS);
    if (first) {
      str << "newpath " << endl
	  << v.TkCanvasPs(parent->canvas) << " moveto" << endl;
      first = 0;
    }
    else
      str << v.TkCanvasPs(parent->canvas) << " lineto" << endl;
  } while (vertex.next());

  str << "stroke" << endl << ends;
  Tcl_AppendResult(parent->interp, str.str().c_str(), NULL);
}

#ifdef MAC_OSX_TK
void Segment::renderMACOSX()
{
  renderMACOSXGC();

  vertex.head();
  Vector v1;
  Vector v2 = fwdMap(vertex.current()->vector,Coord::CANVAS);
  vertex.next();

  do {
    v1 = v2;
    v2 = fwdMap(vertex.current()->vector,Coord::CANVAS);
    macosxDrawLine(v1,v2);
  } while (vertex.next());
}
#endif

#ifdef __WIN32
void Segment::renderWIN32()
{
  renderWIN32GC();

  vertex.head();
  Vector v1;
  Vector v2 =  fwdMap(vertex.current()->vector,Coord::CANVAS);
  vertex.next();

  do {
    v1 = v2;
    v2 = fwdMap(vertex.current()->vector,Coord::CANVAS);
    win32DrawLine(v1,v2);
  } while (vertex.next());
}
#endif

void Segment::reset(const Vector& b)
{
  angle = 0;
  vertex.deleteAll();

  Vector bb = b;
  vertex.append(new Vertex(-bb[0],-bb[1]));
  vertex.append(new Vertex( bb[0], bb[1]));

  updateBBox();
}

int Segment::getSegment(const Vector& v)
{
  // v is in canvas coords
  Matrix mm = fwdMatrix();

  vertex.head();
  Vector v1;
  Vector v2 = vertex.current()->vector * mm;
  vertex.next();

  int ii = 1;
  do {
    v1 = v2;
    v2 = vertex.current()->vector * mm;

    Vector l1 = parent->mapFromRef(v1,Coord::CANVAS);
    Vector l2 = parent->mapFromRef(v2,Coord::CANVAS);
    double a = (l2-l1).angle();
    Matrix mx = Translate(-l1) * FlipY() * Rotate(-a); 
    Vector end = l2*mx;
    Vector vv = v*mx;
    
    if (vv[0]>0 && vv[0]<end[0] && 
	vv[1]>-parent->markerEpsilon && vv[1]<parent->markerEpsilon)
      return ii;

    ii++;
  } while (vertex.next());

  return 0;
}

// list

void Segment::list(ostream& str, Coord::CoordSystem sys, Coord::SkyFrame sky,
		   Coord::SkyFormat format, int conj, int strip)
{
  if (!strip) {
    FitsImage* ptr = parent->findFits(sys,center);
    listPre(str, sys, sky, ptr, strip, 1);
    listBase(ptr, str, sys, sky, format);

    if (conj)
      str << " ||";
    listProperties(str, 0);
  }
}

void Segment::listXML(ostream& str, Coord::CoordSystem sys, 
		      Coord::SkyFrame sky, Coord::SkyFormat format)
{
  FitsImage* ptr = parent->findFits(sys,center);
  Matrix mm = fwdMatrix();
  Vector* vv = new Vector[vertex.count()];

  XMLRowInit();
  XMLRow(XMLSHAPE,type_);

  vertex.head();
  int cnt =0;
  do
    vv[cnt++] =vertex.current()->vector*mm;
  while (vertex.next());
  XMLRowPoint(ptr,sys,sky,format,vv,vertex.count());
  delete [] vv;

  XMLRowProps(ptr,sys);
  XMLRowEnd(str);
}