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root/Development/ray/src/meta/plotin.c

Comparing ray/src/meta/plotin.c (file contents):
Revision 1.1 by greg, Sat Feb 22 02:07:26 2003 UTC vs.
Revision 1.2 by schorsch, Sat Nov 15 02:13:37 2003 UTC

#	Line 9 | Line 9 | static const char      RCSid[] = "$Id$";
9		*     5/20/85
10		*/
11
12	+	#include  <string.h>
13	+
14		#include  "meta.h"
15	+	#include  "plot.h"
16
14	–
17		#define  getsi(f, m)  ICONV(geti(f)-(m), size)
18
19
#	Line 26 | Line 28 | static int  curx = -1,         /* current position */
28
29		static short  curmod = 0;       /* current line drawing mode */
30
31	+	static void convert(FILE  *infp);
32	+	static int geti(FILE  *fp);
33	+	static int quadr(int x, int y, int xp, int yp);
34	+	static void step(int d);
35
36	+	static void linemod(char  s[]);
37	+	static void erase(void);
38	+	static void space(int  xmn, int ymn, int xmx, int ymx);
39	+	static void move(int  x, int  y);
40	+	static void cont(int  x, int  y);
41	+	static void line(int  x0, int y0, int x1, int y1);
42	+	static void label(register char  *s);
43	+	static void point(int  x, int  y);
44	+	static void arc(int x, int y, int x0, int y0, int x1, int y1);
45	+	static void circle(int x, int y, int r);
46
31	–	main(argc, argv)
47
48	<	int  argc;
49	<	char  **argv;
50	<
48	>	int
49	>	main(
50	>	int  argc,
51	>	char  **argv
52	>	)
53		{
54		FILE  *fp;
55
#	Line 63 | Line 80 | char  **argv;
80		pglob(PEOF, 0200, NULL);
81
82		return(0);
83	<	}
83	>	}
84
85
86
87
88	<
89	<	convert(infp)           /* convert to meta-file */
90	<
91	<	FILE  *infp;
75	<
88	>	void
89	>	convert(                /* convert to meta-file */
90	>	FILE  *infp
91	>	)
92		{
93		char  *fgets(), sbuf[BUFSIZ];
94		int  command;
#	Line 146 | Line 162 | FILE  *infp;
162
163
164		int
165	<	geti(fp)                /* get two-byte integer from file */
166	<
167	<	register FILE  *fp;
152	<
165	>	geti(           /* get two-byte integer from file */
166	>	register FILE  *fp
167	>	)
168		{
169		register int  i;
170
#	Line 165 | Line 180 | register FILE  *fp;
180
181
182
183	<
184	<	move(x, y)                      /* move to new position */
185	<
186	<	register int  x, y;
187	<
183	>	void
184	>	move(                   /* move to new position */
185	>	register int  x,
186	>	register int  y
187	>	)
188		{
174	–
189		curx = x;
190		cury = y;
177	–
191		}
192
193
194
195	<
196	<	cont(x, y)                      /* draw line to point */
197	<
198	<	register int  x, y;
199	<
195	>	void
196	>	cont(                   /* draw line to point */
197	>	register int  x,
198	>	register int  y
199	>	)
200		{
188	–
201		plseg(curmod, curx, cury, x, y);
202		curx = x;
203		cury = y;
192	–
204		}
205
206
207	<
208	<	point(x, y)                     /* draw a point */
209	<
210	<	register int  x, y;
211	<
207	>	void
208	>	point(                  /* draw a point */
209	>	register int  x,
210	>	register int  y
211	>	)
212		{
202	–
213		plseg(0, x, y, x, y);
214		curx = x;
215		cury = y;
206	–
216		}
217
218
219
220	<
221	<	line(x0, y0, x1, y1)            /* draw a line segment */
222	<
223	<	int  x0, y0, x1, y1;
224	<
220	>	void
221	>	line(           /* draw a line segment */
222	>	int  x0,
223	>	int y0,
224	>	int x1,
225	>	int y1
226	>	)
227		{
217	–
228		move(x0, y0);
229		cont(x1, y1);
220	–
230		}
231
232
233	<
234	<	label(s)                        /* print a label */
235	<
236	<	register char  *s;
228	<
233	>	void
234	>	label(                  /* print a label */
235	>	register char  *s
236	>	)
237		{
230	–
238		pprim(PMSTR, 0, curx, cury, curx, cury, s);
232	–
239		}
240
241
242
237	–
243		static int del = 100;
244	<	static step(d){
244	>
245	>	void
246	>	step(
247	>	int d
248	>	)
249	>	{
250		del = d;
251		}
252	<	arc(x,y,x0,y0,x1,y1){
252	>
253	>	void
254	>	arc(
255	>	int x,
256	>	int y,
257	>	int x0,
258	>	int y0,
259	>	int x1,
260	>	int y1
261	>	)
262	>	{
263		double pc;
264		double sqrt();
265		int flg,m,xc,yc,xs,ys,qs,qf;
#	Line 330 | Line 350 | arc(x,y,x0,y0,x1,y1){
350		}
351		}
352		}
353	<	quadr(x,y,xp,yp){
353	>
354	>	int
355	>	quadr(
356	>	int x,
357	>	int y,
358	>	int xp,
359	>	int yp
360	>	)
361	>	{
362		if(x < xp)
363		if(y <= yp)return(1);
364		else return(4);
#	Line 342 | Line 370 | quadr(x,y,xp,yp){
370		}
371
372
373	<
374	<	circle(x,y,r){
373	>	void
374	>	circle(
375	>	int x,
376	>	int y,
377	>	int r
378	>	)
379	>	{
380		arc(x,y,x+r,y,x+r,y);
381		}
382
383
384
385	<
386	<	erase()                         /* erase plot */
354	<
385	>	void
386	>	erase(void)                             /* erase plot */
387		{
356	–
388		pglob(PEOP, 0200, NULL);
358	–
389		}
390
391
392	<
393	<
394	<
395	<
366	<	linemod(s)              /* set line mode according to s */
367	<
368	<	char  s[];
369	<
392	>	void
393	>	linemod(                /* set line mode according to s */
394	>	char  s[]
395	>	)
396		{
371	–
397		switch (s[2]) {
398		case 'l':               /* solid */
399		curmod = 0;
#	Line 386 | Line 411 | char  s[];
411		error(WARNING, "unknown line mode in linemod");
412		break;
413		}
389	–
414		}
415
416
417	<
418	<
419	<	space(xmn, ymn, xmx, ymx)       /* change space */
420	<
421	<	int  xmn, ymn, xmx, ymx;
422	<
417	>	void
418	>	space(  /* change space */
419	>	int  xmn,
420	>	int ymn,
421	>	int xmx,
422	>	int ymx
423	>	)
424		{
400	–
425		if (xmn >= xmx || ymn >= ymx)
426		error(USER, "illegal space specification in space");
427
428		xmin = xmn;
429		ymin = ymn;
430		size = min(xmx-xmn, ymx-ymn);
407	–
431		}

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<	Changed lines (old)
>	Changed lines (new)