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
|
/*
* irisio.c - Nina Amenta, Aug. 1989
* kaliprint.c - Nina Amenta, Aug. 1989 *
*
* modified: merged kaliprint and irisio into io,
* so can print directly from kali as well as kaliprint.
* 7/94 Tamara Munzner
*
* entirely rewritten by Ed H. Chi
*
* $Id: psio.c,v 1.1 1996/06/11 04:59:37 slevy Exp $
* $Log: psio.c,v $
* Revision 1.1 1996/06/11 04:59:37 slevy
* Initial revision
*
* Revision 1.4 1994/09/12 23:14:41 chi
* version 3.0 changes
* header file recreated
*
* Revision 1.3 1994/08/26 16:29:02 chi
* rewritten by Ed H. Chi (chi@geom)
* start of a port to X11
*
* Revision 1.2 1994/08/15 20:05:38 chi
* significant code cleanup.
* header files created.
* main.h created
* changed #defines in main.h from DRAW to KALIDRAW, CUT to .... etc
*/
#include <math.h>
#include <stdio.h>
#include <ctype.h>
#include "main.h"
#include "symmetry.h"
#include "io.h"
#include "kali.h"
#define WID 1.2
#define PSSTACKSIZE 40
FILE *f = NULL;
RECTANGLE clip_rect;
/*----------------------------------------------------*/
void PrintOut(FILE *outfile,SYMMETRY *sym, RECTANGLE win_rect, LINE *Lines)
{
float xforms[5][4];
RECTANGLE bounds;
POINT *sym_pts = NULL;
LINE *obj = NULL;
int count;
int i;
f = outfile;
init_postscript(&win_rect);
PSDraw.data = f;
count = SetUpSymmetry(sym,&sym_pts,xforms,&win_rect, NULL);
DrawClippingRectangle(&win_rect);
obj = MakeCurrentObject(Lines,sym,xforms,&bounds);
/* Draw the object in pieces if necessary, to avoid
overflowing the Postscript stack */
while (obj != NULL) {
obj = SpewObject(obj);
ReplicateObject(&win_rect,obj,sym_pts,count,&bounds,
sym,&PSDraw);
}
close_postscript();
}
void PSPush(DRAWER *drawer) {
fprintf(f, "gsave\n");
}
void PSTranslate(DRAWER *drawer, double x, double y) {
fprintf(f,"%6.3f %6.3f translate\n",x,y);
}
void PSPop(DRAWER *drawer) {
fprintf(f,"grestore\n");
}
void PSDrawLine(DRAWER *drawer, LINE *l) {
fprintf(f,"%6.3f %6.3f moveto\n",l->m[EX],l->m[EY]);
fprintf(f,"%6.3f %6.3f lineto\n",l->m[KALISX],l->m[KALISY]);
}
void PSDrawLines(DRAWER *drawer, LINE *l) {
fprintf(f, "pattern\n"); /* Already created by SpewObject below */
}
void PSDrawPoints(DRAWER *drawer, POINT *p, int count) {
int i;
fprintf(f, "gsave 1 setlinecap /pt { moveto currentpoint lineto stroke } def\n");
for(i = 0; i < count; i++)
fprintf(f, "%.3f %.3f pt\n", p[i].x, p[i].y);
fprintf(f, "grestore\n");
}
DRAWER PSDraw = {
"PS",
PSDrawLines,
PSPush,
PSTranslate,
PSPop,
PSDrawLine,
PSDrawPoints,
NULL
};
void DrawClippingRectangle(RECTANGLE *rec)
{
fprintf(f,"%6.3f %6.3f moveto\n",rec->x,rec->y);
fprintf(f,"%6.3f %6.3f lineto\n",rec->x,rec->height);
fprintf(f,"%6.3f %6.3f lineto\n",rec->width,rec->height);
fprintf(f,"%6.3f %6.3f lineto\n",rec->width,rec->y);
fprintf(f,"%6.3f %6.3f lineto\n",rec->x,rec->y);
fprintf(f,"closepath gsave stroke grestore\n");
fprintf(f,"clip newpath\n");
}
void init_postscript(RECTANGLE *rec)
{
float horiz,vert,units, x0, y0;
horiz = 7.5/rec->width;
vert = 10.0/rec->height;
units = (vert<horiz) ? vert : horiz;
horiz = (8.5-(units*rec->width))/2.0;
vert = (11.0-(units*rec->height))/2.0;
x0 = 72*(rec->x * units + horiz);
y0 = 72*(rec->y * units + vert);
fprintf(f,"%%!PS-Adobe-2.0 EPSF-1.2\n");
fprintf(f,"%%%%BoundingBox: %d %d %d %d\n",
(int)floor(x0), (int)floor(y0),
(int)ceil(x0+72*units*rec->width), (int)ceil(y0+72*units*rec->height));
fprintf(f,"/inch {72 mul} def\n");
fprintf(f,"0 setgray\n");
fprintf(f,"/Times-Roman findfont 2 scalefont setfont\n");
fprintf(f,"%4.3f inch %4.3f inch translate\n",horiz,vert);
fprintf(f,"%4.3f inch %4.3f inch scale\n",units,units);
fprintf(f,"%2.1f setlinewidth\n",WID);
fprintf(f,"1 setlinecap\n");
fprintf(f,"1 setlinejoin\n");
fprintf(f,"\n");
CopyRectangle(rec,&clip_rect);
}
void close_postscript()
{
fprintf(f,"showpage\n");
}
LINE *SpewObject(LINE *obj)
{
int i;
fprintf(f,"/pattern { \n");
fprintf(f," newpath \n");
i = 0;
while ((i++ < PSSTACKSIZE) && (obj != NULL)) {
PSDrawLine(&PSDraw, obj);
obj = obj->next;
}
fprintf(f," stroke } def\n");
return(obj);
}
|
