Annotation of OpenXM_contrib/gnuplot/term/vws.trm, Revision 1.1.1.2
1.1 maekawa 1: /*
1.1.1.2 ! maekawa 2: * $Id: vws.trm,v 1.7 1998/12/14 18:41:49 lhecking Exp $
1.1 maekawa 3: *
4: */
5:
6: /* GNUPLOT - vws.trm */
7:
8: /*[
9: * Copyright 1990 - 1993, 1998
10: *
11: * Permission to use, copy, and distribute this software and its
12: * documentation for any purpose with or without fee is hereby granted,
13: * provided that the above copyright notice appear in all copies and
14: * that both that copyright notice and this permission notice appear
15: * in supporting documentation.
16: *
17: * Permission to modify the software is granted, but not the right to
18: * distribute the complete modified source code. Modifications are to
19: * be distributed as patches to the released version. Permission to
20: * distribute binaries produced by compiling modified sources is granted,
21: * provided you
22: * 1. distribute the corresponding source modifications from the
23: * released version in the form of a patch file along with the binaries,
24: * 2. add special version identification to distinguish your version
25: * in addition to the base release version number,
26: * 3. provide your name and address as the primary contact for the
27: * support of your modified version, and
28: * 4. retain our contact information in regard to use of the base
29: * software.
30: * Permission to distribute the released version of the source code along
31: * with corresponding source modifications in the form of a patch file is
32: * granted with same provisions 2 through 4 for binary distributions.
33: *
34: * This software is provided "as is" without express or implied warranty
35: * to the extent permitted by applicable law.
36: ]*/
37:
38: /*
39: * This file is included by ../term.c.
40: *
41: * This terminal driver supports:
42: * IRIS terminals
43: *
44: * AUTHORS
45: * Walter Speth
46: * BITNET: SPETH@DBNPIB5
47: *
48: * send your comments or suggestions to (info-gnuplot@dartmouth.edu).
49: *
50: */
51: /*
52: * adapted to the new terminal layout by Stefan Bodewig (Dec. 1995)
53: * adapted to VAX VMS 4.7, VAX C 2.4 and activated the INTENSITY and COLOR
54: * monitor features (Lucas P. Hart, June 1997)
55: */
56:
57: #include "driver.h"
58:
59: #ifdef TERM_REGISTER
60: register_term(vws)
61: #endif
62:
63: #ifdef TERM_PROTO
64: TERM_PUBLIC void VWS_init __PROTO((void));
65: TERM_PUBLIC void VWS_reset __PROTO((void));
66: TERM_PUBLIC int VWS_scale __PROTO((double xs, double ys));
67: TERM_PUBLIC void VWS_graphics __PROTO((void));
68: TERM_PUBLIC void VWS_text __PROTO((void));
69: TERM_PUBLIC void VWS_move __PROTO((unsigned int x, unsigned int y));
70: TERM_PUBLIC void VWS_vector __PROTO((unsigned int x, unsigned int y));
71: TERM_PUBLIC void VWS_linetype __PROTO((int lt));
72: TERM_PUBLIC void VWS_put_text __PROTO((unsigned int x, unsigned int y, char *str));
73: TERM_PUBLIC int VWS_text_angle __PROTO((int ang));
74: TERM_PUBLIC int VWS_justify_text __PROTO((enum JUSTIFY mode));
75: TERM_PUBLIC void VWS_point __PROTO((unsigned int x, unsigned int y, int point));
76: TERM_PUBLIC void VWS_arrow __PROTO((unsigned int sx, unsigned int sy,
77: unsigned int ex, unsigned int ey, int head));
78:
79: #define VWS_XMAX 1024
80: #define VWS_YMAX 780 /* VAXstation 2000 is 864 */
81: #define VWS_VCHAR 25
82: #define VWS_HCHAR 15
83: #define VWS_VTIC 10
84: #define VWS_HTIC 10
85: #endif /* TERM_PROTO */
86:
87: #ifndef TERM_PROTO_ONLY
88: #ifdef TERM_BODY
89: void VWS_resize_ast __PROTO((void));
90:
91: #include <ssdef.h>
92: /* */
93: #include <descrip.h>
94:
95: #include <uisentry.h>
96: #include <uisusrdef.h>
97:
98: #define DEFAULT_ATTR 0
99: #define OVER_ATTR 1
100: #define ERAS_ATTR 2
101: #define BIS_ATTR 3
102: #define COLOR_ATTR 4
103: #define TEXT_ATTR 5
104: #define LINE_ATTR 6
105: #define BACK_ATTR 7
106:
107: float current_x, current_y;
108:
109: int vd_id, wd_id;
110: int vcm_id, ws_type;
111:
112: static $DESCRIPTOR(ws_devname, "SYS$WORKSTATION");
113: static $DESCRIPTOR(vd_title, "gnuplot");
114:
115: static float x0, y0, xsiz, ysiz, wc_xmin_new, wc_ymin_new, wc_xmax_new, wc_ymax_new, wc_xmin,
116: wc_ymin, wc_xmax, wc_ymax, vd_width, vd_height;
117:
118: void VWS_resize_ast()
119: {
120: extern void replotrequest(); /* in command.c */
121: uis$resize_window(&vd_id, &wd_id, &x0, &y0, &xsiz, &ysiz,
122: &wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax);
123: replotrequest();
124: }
125:
126: /****************************************************************************/
127: TERM_PUBLIC void VWS_init()
128: {
129: int i;
130: int cattr;
131: $DESCRIPTOR(a_font, "DTABER0003WK00PG0001UZZZZ02A000");
132: const int i0 = 0, i1 = 1, i2 = 2, i3 = 3, i4 = 4, i5 = 5, i6 = 6, i7 = 7, i8 = 8;
133: const float p0 = 0.0, p1 = 0.1, p2 = 0.2, p3 = 0.3, p4 = 0.4;
134: const float p5 = 0.5, p6 = 0.6, p7 = 0.7, p8 = 0.8, p9 = 0.9;
135: const int n1 = 0xFFFFFFFF;
136: const int uis$c_mode_over = UIS$C_MODE_OVER;
137: const int uis$c_mode_eras = UIS$C_MODE_ERAS;
138: const int uis$c_mode_bis = UIS$C_MODE_BIS;
139: const float vws_hchar = (float) VWS_HCHAR;
140: const float vws_vchar = (float) VWS_VCHAR;
141: const int default_attr = DEFAULT_ATTR;
142: const int over_attr = OVER_ATTR;
143: const int eras_attr = ERAS_ATTR;
144: const int bis_attr = BIS_ATTR;
145: const int color_attr = COLOR_ATTR;
146: const int text_attr = TEXT_ATTR;
147: const int line_attr = LINE_ATTR;
148: const int back_attr = BACK_ATTR;
149:
150: /* lph: the similar notation may lead to some confusion
151: * attributes are grouped in "attribute block" data structures
152: * which are referenced by block number
153: * attribute block 0 contains default attribute settings
154: *
155: * To customize settings, a function will read the source
156: * attribute block, set the particular attribute, and
157: * write to the destination attribute block.
158: * Both the block number and attribute are integers, so it
159: * is easy to confuse an attribute and an attribute blcok
160: */
161:
162: /* lph: Color map corresponding to an example in
163: * MicroVMS Graphics Progamming Guide (V3.0) */
164:
165: const float r_map[8] = { 0.40, 0.50, 0.50, 0.00, 0.25, 0.90, 0.80, 0.35 };
166: const float g_map[8] = { 0.30, 0.50, 0.25, 0.70, 0.25, 0.50, 0.30, 0.65 };
167: const float b_map[8] = { 0.00, 0.50, 0.50, 0.30, 0.90, 0.00, 0.00, 0.95 };
168:
169: /* the array format is easier to customize */
170:
171: vd_width = 14;
172: vd_height = 10; /* aspect sqrt(2) as DIN A paper */
173:
174: wc_xmin = 0.0;
175: wc_ymin = 0.0;
176: wc_xmax = (float) VWS_XMAX;
177: wc_ymax = (float) VWS_YMAX;
178:
179: vcm_id = uis$create_color_map(&i8);
180:
181: vd_id = uis$create_display(&wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax,
182: &vd_width, &vd_height, &vcm_id);
183: uis$get_hw_color_info(&ws_devname, &ws_type);
184:
185: /* lph: ws's color table for monochrome */
186: /* by default, color table index 0 is backgound, and 1 is foregound */
187: /* a color {index into the color table} is assigned to the active line */
188: /* in VWS_linetype */
189:
190: if (ws_type == UIS$C_DEV_MONO) {
191: uis$set_color(&vd_id, &i0, &p5, &p5, &p5);
192: uis$set_color(&vd_id, &i1, &p0, &p0, &p0);
193: uis$set_color(&vd_id, &i2, &p0, &p0, &p0);
194: uis$set_color(&vd_id, &i3, &p0, &p0, &p0);
195: uis$set_color(&vd_id, &i4, &p0, &p0, &p0);
196: uis$set_color(&vd_id, &i5, &p0, &p0, &p0);
197: uis$set_color(&vd_id, &i6, &p0, &p0, &p0);
198: uis$set_color(&vd_id, &i7, &p0, &p0, &p0);
199: } else if (ws_type == UIS$C_DEV_INTENSITY) {
200: /* Intensity scale, untested */
201: uis$set_color(&vd_id, &i2, &p2, &p2, &p2);
202: uis$set_color(&vd_id, &i3, &p3, &p3, &p3);
203: uis$set_color(&vd_id, &i4, &p4, &p4, &p4);
204: uis$set_color(&vd_id, &i5, &p5, &p5, &p5);
205: uis$set_color(&vd_id, &i6, &p6, &p6, &p6);
206: uis$set_color(&vd_id, &i7, &p7, &p7, &p7);
207: }
208: /* ws: perhaps better for color terms (which I do not have) */
209:
210: else if (ws_type == UIS$C_DEV_COLOR) {
211: /* */
212: uis$set_color(&vd_id, &i0, &p0, &p0, &p0);
213: uis$set_color(&vd_id, &i1, &p9, &p0, &p0);
214: uis$set_color(&vd_id, &i2, &p0, &p9, &p0);
215: uis$set_color(&vd_id, &i3, &p9, &p9, &p0);
216: uis$set_color(&vd_id, &i4, &p0, &p0, &p9);
217: uis$set_color(&vd_id, &i5, &p9, &p0, &p9);
218: uis$set_color(&vd_id, &i6, &p0, &p9, &p9);
219: uis$set_color(&vd_id, &i7, &p9, &p9, &p9);
220: /*
221: * lph: Another way to set up the color table is to use arrays,
222: * which simplifies customizing the appearance.
223: *
224: uis$set_colors(&vd_id, &i0, &i8, &r_map, &g_map, &b_map);
225: */
226: }
227: uis$disable_display_list(&vd_id);
228:
229: wd_id = uis$create_window(&vd_id, &ws_devname, &vd_title,
230: &wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax,
231: &vd_width, &vd_height);
232:
233: uis$set_resize_ast(&vd_id, &wd_id, &VWS_resize_ast, &i0,
234: &x0, &y0, &xsiz, &ysiz,
235: &wc_xmin_new, &wc_ymin_new, &wc_xmax_new, &wc_ymax_new);
236: /*
237: * lph: This sets up three different attribute blocks, each having a different
238: * mode, but they are never utilized and it is not clear when they might
239: * be of use.
240: * The attribute blocks used for writing are line_attr, text_attr.
241: *
242: uis$set_writing_mode(&vd_id, &default_attr, &over_attr, &uis$c_mode_over);
243: uis$set_writing_mode(&vd_id, &default_attr, &eras_attr, &uis$c_mode_eras);
244: uis$set_writing_mode(&vd_id, &default_attr, &bis_attr, &uis$c_mode_bis);
245: */
246:
247: /* lph: this was commented out; it changes the COLOR_ATTR BLOCK and
248: * the following BLOCKS
249: *
250: if (ws_type >= UIS$C_DEV_INTENSITY) {
251: for (i=0; i<8; i++) {
252: cattr = COLOR_ATTR+i;
253: uis$set_writing_index(&vd_id, &default_attr, &cattr, &i);
254: }
255: }
256: *
257: */
258:
259: /* lph: default value for the background index into the virtual color
260: /* table is 0, and the back_attr block is never used
261: *
262: uis$set_background_index(&vd_id, &default_attr, &back_attr, &i0);
263: *
264: * the rest look OK, setting up the two attribute blocks
265: */
266: uis$set_writing_mode(&vd_id, &default_attr, &text_attr, &uis$c_mode_over);
267: uis$set_font(&vd_id, &text_attr, &text_attr, &a_font);
268: uis$set_char_size(&vd_id, &text_attr, &text_attr, &i0, &vws_hchar, &vws_vchar);
269: uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
270: }
271:
272: /****************************************************************************/
273:
274: TERM_PUBLIC void VWS_reset()
275: {
276: uis$delete_display(&vd_id);
277: }
278:
279: /****************************************************************************/
280: TERM_PUBLIC int VWS_scale(xs, ys)
281: double xs, ys;
282: {
283: return FALSE;
284: }
285: /****************************************************************************/
286: TERM_PUBLIC void VWS_graphics()
287: {
288: uis$erase(&vd_id, &wc_xmin, &wc_ymin, &wc_xmax, &wc_ymax);
289: }
290:
291: /****************************************************************************/
292: TERM_PUBLIC void VWS_text()
293: {
294: }
295:
296: /****************************************************************************/
297: TERM_PUBLIC void VWS_move(x, y)
298: unsigned int x, y;
299: {
300: current_x = (float) (x);
301: current_y = (float) (y);
302: }
303:
304: /****************************************************************************/
305: TERM_PUBLIC void VWS_vector(x, y)
306: unsigned int x, y;
307: {
308: int col;
309: int line_attr = LINE_ATTR;
310: float fx, fy;
311: fx = (float) x;
312: fy = (float) y;
313:
314: uis$line(&vd_id, &line_attr, ¤t_x, ¤t_y, &fx, &fy);
315: VWS_move(x, y);
316: }
317:
318: /****************************************************************************/
319: TERM_PUBLIC void VWS_linetype(lt)
320: int lt;
321: {
322: const int n1 = 0xFFFFFFFF;
323: /* indices into the color map */
324: const int i[8] = {0, 1, 2, 3, 4, 5, 6, 7};
325: const float p15 = 2.0, p20 = 3.0, p10 = 1.0;
326: long int lstyle[9] =
327: {0xffffffff,
328: 0Xff00ff00,
329: 0xffffff00,
330: 0xffff0000,
331: 0xf0f0f0f0,
332: 0Xfff0fff0,
333: 0xf000f000,
334: 0xa5a5a5af,
335: 0xf00f00f0
336: };
337: int line_attr = LINE_ATTR;
338: /* use multiplier of normal line width; default is width in pixels */
339: const int uis$c_width_world = UIS$C_WIDTH_WORLD;
340:
341: if (lt < 0) {
342: switch (lt) {
343: case -1: /* used for axis */
344: uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
345: uis$set_line_width(&vd_id, &line_attr, &line_attr, &p15,
346: &uis$c_width_world);
347: if (ws_type >= UIS$C_DEV_INTENSITY) {
348: uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1]);
349: }
350: break;
351: case -2: /* the borders */
352: uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
353: uis$set_line_width(&vd_id, &line_attr, &line_attr, &p20,
354: &uis$c_width_world);
355: if (ws_type >= UIS$C_DEV_INTENSITY) {
356: uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1]);
357: }
358: break;
359: default: /* else a thick line ? */
360: uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
361: uis$set_line_width(&vd_id, &line_attr, &line_attr, &p20,
362: &uis$c_width_world);
363: if (ws_type >= UIS$C_DEV_INTENSITY) {
364: uis$set_writing_index(&vd_id, &line_attr, &line_attr,
365: &i[1 + ((-lt) % 7)]);
366: }
367: break;
368: }
369: } else {
370: /* assign the color index (excluding the background index, 0*/
371: if (ws_type >= UIS$C_DEV_INTENSITY) {
372: uis$set_writing_index(&vd_id, &line_attr, &line_attr, &i[1 + lt % 7]);
373: }
374: /* assign the line style
375: uis$set_line_style(&vd_id,&line_attr,&line_attr,&lstyle[lt % 8]);
376: * ws: makes part of curve disappear on my workstation
377: * lph: also observed w/ VS2000 and 4 plane graphics coprocesssor; line
378: * types change appropriately, but has problems as pixels/line segment
379: * decreases. Better with full screen display and "set samples" smaller
380: * but start out with only solid lines
381: */
382: uis$set_line_style(&vd_id, &line_attr, &line_attr, &n1);
383:
384: uis$set_line_width(&vd_id, &line_attr, &line_attr, &p10,
385: &uis$c_width_world);
386: }
387: }
388:
389: /****************************************************************************/
390: static int justify_mode = CENTRE, up;
391:
392: TERM_PUBLIC void VWS_put_text(x, y, str)
393: unsigned int x, y;
394: char *str;
395: {
396: float fx, fy, thih, twid;
397: int text_attr = TEXT_ATTR;
398:
399: /* uis$text parameter is descriptor string not character string */
400:
401: struct dsc$descriptor_s textline =
402: {0, DSC$K_DTYPE_T, DSC$K_CLASS_S, ""};
403:
404:
405: textline.dsc$a_pointer = str;
406: textline.dsc$w_length = strlen(textline.dsc$a_pointer);
407: uis$measure_text(&vd_id, &text_attr, &textline, &twid, &thih);
408: fx = (float) x;
409: fy = (float) y;
410:
411: switch (justify_mode) {
412: case LEFT:
413: fy += thih / 2.;
414: break;
415: case RIGHT:
416: fy += thih / 2.;
417: fx -= twid;
418: break;
419:
420: case CENTRE:
421: fy += thih / 2.;
422: fx -= twid / 2;
423: break;
424: };
425:
426: uis$text(&vd_id, &text_attr, &textline, &fx, &fy);
427: /* write to Example Viewport window */
428:
429:
430: }
431: /****************************************************************************/
432: TERM_PUBLIC int VWS_text_angle(ang)
433: int ang;
434: {
435: float degrees;
436: int text_attr = TEXT_ATTR;
437: degrees = 90. * (up = ang);
438: uis$set_text_slope(&vd_id, &text_attr, &text_attr, °rees);
439: return TRUE;
440: }
441: /****************************************************************************/
442: TERM_PUBLIC int VWS_justify_text(mode)
443: enum JUSTIFY mode;
444: {
445: justify_mode = mode;
446: return TRUE;
447: }
448: /****************************************************************************/
449: TERM_PUBLIC void VWS_point(x, y, point)
450: unsigned int x, y;
451: int point;
452: {
453: do_point(x, y, point);
454: }
455:
456: /****************************************************************************/
457: TERM_PUBLIC void VWS_arrow(sx, sy, ex, ey, head)
458: unsigned int sx, sy, ex, ey;
459: int head;
460: {
461: do_arrow(sx, sy, ex, ey, head);
462: }
463:
464: #endif /* TERM_BODY */
465:
466: #ifdef TERM_TABLE
467:
468: TERM_TABLE_START(vws_driver)
469: "VWS", "VAX Windowing System (UIS)",
470: VWS_XMAX, VWS_YMAX, VWS_VCHAR, VWS_HCHAR,
471: VWS_VTIC, VWS_HTIC, options_null, VWS_init, VWS_reset,
472: VWS_text, null_scale, VWS_graphics, VWS_move, VWS_vector,
473: VWS_linetype, VWS_put_text, VWS_text_angle,
474: VWS_justify_text, do_point, do_arrow, set_font_null
475: TERM_TABLE_END(vws_driver)
476:
477: #undef LAST_TERM
478: #define LAST_TERM vws_driver
479:
480: #endif /* TERM_TABLE */
481: #endif /* TERM_PROTO_ONLY */
482:
483: #ifdef TERM_HELP
484: START_HELP(VWS)
485: "1 VWS",
486: "?commands set terminal VWS",
487: "?set terminal VWS",
488: "?set term VWS",
489: "?terminal VWS",
490: "?term VWS",
491: "?VWS",
492: " The `VWS` terminal driver supports the VAX Windowing System. It has",
493: " no options. It will sense the display type (monochrome, gray scale,",
494: " or color.) All line styles are plotted as solid lines."
495: END_HELP(VWS)
496: #endif /* TERM_HELP */
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