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1 | /* | |
2 | * "$Id: hpgl-attr.c 6420 2007-03-30 20:00:59Z mike $" | |
3 | * | |
4 | * HP-GL/2 attribute processing for the Common UNIX Printing System (CUPS). | |
5 | * | |
6 | * Copyright 1993-2007 by Easy Software Products. | |
7 | * | |
8 | * These coded instructions, statements, and computer programs are the | |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
14 | * | |
15 | * Attn: CUPS Licensing Information | |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636 USA | |
19 | * | |
20 | * Voice: (301) 373-9600 | |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
23 | * | |
24 | * This file is subject to the Apple OS-Developed Software exception. | |
25 | * | |
26 | * Contents: | |
27 | * | |
28 | * CR_color_range() - Set the range for color values. | |
29 | * AC_anchor_corner() - Set the anchor corner. | |
30 | * FT_fill_type() - Set the fill type or pattern. | |
31 | * LA_line_attributes() - Set the line drawing attributes. | |
32 | * LT_line_type() - Set the line type (style)... | |
33 | * NP_number_pens() - Set the number of pens to be used. | |
34 | * PC_pen_color() - Set the pen color... | |
35 | * PW_pen_width() - Set the pen width. | |
36 | * RF_raster_fill() - Set the raster fill pattern. | |
37 | * SM_symbol_mode() - Set where symbols are drawn. | |
38 | * SP_select_pen() - Select a pen for drawing. | |
39 | * UL_user_line_type() - Set a user-defined line type. | |
40 | * WU_width_units() - Set the units used for pen widths. | |
41 | */ | |
42 | ||
43 | /* | |
44 | * Include necessary headers... | |
45 | */ | |
46 | ||
47 | #include "hpgltops.h" | |
48 | ||
49 | ||
50 | /* | |
51 | * 'CR_color_range()' - Set the range for color values. | |
52 | */ | |
53 | ||
54 | void | |
55 | CR_color_range(int num_params, /* I - Number of parameters */ | |
56 | param_t *params) /* I - Parameters */ | |
57 | { | |
58 | if (num_params == 0) | |
59 | { | |
60 | /* | |
61 | * Default to 0 to 255 for all color values. | |
62 | */ | |
63 | ||
64 | ColorRange[0][0] = 0.0; | |
65 | ColorRange[0][1] = 255.0; | |
66 | ColorRange[1][0] = 0.0; | |
67 | ColorRange[1][1] = 255.0; | |
68 | ColorRange[2][0] = 0.0; | |
69 | ColorRange[2][1] = 255.0; | |
70 | } | |
71 | else if (num_params == 6) | |
72 | { | |
73 | /* | |
74 | * Set the range based on the parameters... | |
75 | */ | |
76 | ||
77 | ColorRange[0][0] = params[0].value.number; | |
78 | ColorRange[0][1] = params[1].value.number - params[0].value.number; | |
79 | ColorRange[1][0] = params[2].value.number; | |
80 | ColorRange[1][1] = params[3].value.number - params[2].value.number; | |
81 | ColorRange[2][0] = params[4].value.number; | |
82 | ColorRange[2][1] = params[5].value.number - params[4].value.number; | |
83 | } | |
84 | else | |
85 | fprintf(stderr, | |
86 | "DEBUG: HP-GL/2 \'CR\' command with invalid number of " | |
87 | "parameters (%d)!\n", num_params); | |
88 | } | |
89 | ||
90 | ||
91 | /* | |
92 | * 'AC_anchor_corner()' - Set the anchor corner. | |
93 | */ | |
94 | ||
95 | void | |
96 | AC_anchor_corner(int num_params, /* I - Number of parameters */ | |
97 | param_t *params) /* I - Parameters */ | |
98 | { | |
99 | (void)num_params; | |
100 | (void)params; | |
101 | } | |
102 | ||
103 | ||
104 | /* | |
105 | * 'FT_fill_type()' - Set the fill type or pattern. | |
106 | * | |
107 | * Note: | |
108 | * | |
109 | * This needs to be updated to support non-solid fill. | |
110 | */ | |
111 | ||
112 | void | |
113 | FT_fill_type(int num_params, /* I - Number of parameters */ | |
114 | param_t *params) /* I - Parameters */ | |
115 | { | |
116 | if (num_params == 0 || | |
117 | params[0].value.number == 1 || | |
118 | params[0].value.number == 2) | |
119 | { | |
120 | /**** SOLID PATTERN ****/ | |
121 | } | |
122 | } | |
123 | ||
124 | ||
125 | /* | |
126 | * 'LA_line_attributes()' - Set the line drawing attributes. | |
127 | */ | |
128 | ||
129 | void | |
130 | LA_line_attributes(int num_params, /* I - Number of parameters */ | |
131 | param_t *params) /* I - Parameters */ | |
132 | { | |
133 | int i; /* Looping var */ | |
134 | ||
135 | ||
136 | if (num_params == 0) | |
137 | { | |
138 | MiterLimit = 3.0f; | |
139 | LineCap = 0; | |
140 | LineJoin = 0; | |
141 | } | |
142 | else for (i = 0; i < (num_params - 1); i += 2) | |
143 | switch ((int)params[i].value.number) | |
144 | { | |
145 | case 1 : | |
146 | LineCap = params[i + 1].value.number == 1 ? 0 : | |
147 | params[i + 1].value.number == 4 ? 1 : 2; | |
148 | break; | |
149 | case 2 : | |
150 | switch ((int)params[i + 1].value.number) | |
151 | { | |
152 | case 1 : | |
153 | case 2 : | |
154 | case 3 : | |
155 | LineJoin = 0; | |
156 | break; | |
157 | case 5 : | |
158 | LineJoin = 2; | |
159 | break; | |
160 | default : | |
161 | LineJoin = 1; | |
162 | break; | |
163 | } | |
164 | break; | |
165 | case 3 : | |
166 | MiterLimit = 1.0 + 0.5 * (params[i + 1].value.number - 1.0); | |
167 | break; | |
168 | } | |
169 | ||
170 | if (PageDirty) | |
171 | { | |
172 | printf("%.1f setmiterlimit\n", MiterLimit); | |
173 | printf("%d setlinecap\n", LineCap); | |
174 | printf("%d setlinejoin\n", LineJoin); | |
175 | } | |
176 | } | |
177 | ||
178 | ||
179 | /* | |
180 | * 'LT_line_type()' - Set the line type (style)... | |
181 | * | |
182 | * Note: | |
183 | * | |
184 | * This needs to be updated to support line types. | |
185 | */ | |
186 | ||
187 | void | |
188 | LT_line_type(int num_params, /* I - Number of parameters */ | |
189 | param_t *params) /* I - Parameters */ | |
190 | { | |
191 | (void)num_params; | |
192 | (void)params; | |
193 | } | |
194 | ||
195 | ||
196 | /* | |
197 | * 'NP_number_pens()' - Set the number of pens to be used. | |
198 | */ | |
199 | ||
200 | void | |
201 | NP_number_pens(int num_params, /* I - Number of parameters */ | |
202 | param_t *params) /* I - Parameters */ | |
203 | { | |
204 | int i; /* Looping var */ | |
205 | ||
206 | ||
207 | if (num_params == 0) | |
208 | PenCount = 8; | |
209 | else if (num_params == 1 && params[0].value.number <= 1024) | |
210 | PenCount = (int)params[0].value.number; | |
211 | else | |
212 | fprintf(stderr, | |
213 | "DEBUG: HP-GL/2 \'NP\' command with invalid number of " | |
214 | "parameters (%d)!\n", num_params); | |
215 | ||
216 | for (i = 0; i <= PenCount; i ++) | |
217 | Pens[i].width = PenWidth; | |
218 | ||
219 | PC_pen_color(0, NULL); | |
220 | } | |
221 | ||
222 | ||
223 | /* | |
224 | * 'PC_pen_color()' - Set the pen color... | |
225 | */ | |
226 | ||
227 | void | |
228 | PC_pen_color(int num_params, /* I - Number of parameters */ | |
229 | param_t *params) /* I - Parameters */ | |
230 | { | |
231 | int i; /* Looping var */ | |
232 | static float standard_colors[8][3] = /* Standard colors for first 8 pens */ | |
233 | { | |
234 | { 1.0, 1.0, 1.0 }, /* White */ | |
235 | { 0.0, 0.0, 0.0 }, /* Black */ | |
236 | { 1.0, 0.0, 0.0 }, /* Red */ | |
237 | { 0.0, 1.0, 0.0 }, /* Green */ | |
238 | { 1.0, 1.0, 0.0 }, /* Yellow */ | |
239 | { 0.0, 0.0, 1.0 }, /* Blue */ | |
240 | { 1.0, 0.0, 1.0 }, /* Magenta */ | |
241 | { 0.0, 1.0, 1.0 } /* Cyan */ | |
242 | }; | |
243 | ||
244 | ||
245 | if (num_params == 0) | |
246 | { | |
247 | for (i = 0; i <= PenCount; i ++) | |
248 | if (i < 8) | |
249 | { | |
250 | Pens[i].rgb[0] = standard_colors[i][0]; | |
251 | Pens[i].rgb[1] = standard_colors[i][1]; | |
252 | Pens[i].rgb[2] = standard_colors[i][2]; | |
253 | } | |
254 | else | |
255 | { | |
256 | Pens[i].rgb[0] = 0.0f; | |
257 | Pens[i].rgb[1] = 0.0f; | |
258 | Pens[i].rgb[2] = 0.0f; | |
259 | } | |
260 | ||
261 | if (PageDirty) | |
262 | printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0], | |
263 | Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2], | |
264 | Pens[PenNumber].width * PenScaling); | |
265 | } | |
266 | else if (num_params == 1 || num_params == 4) | |
267 | { | |
268 | i = (int)params[0].value.number; | |
269 | ||
270 | if (num_params == 1) | |
271 | { | |
272 | Pens[i].rgb[0] = standard_colors[i & 7][0]; | |
273 | Pens[i].rgb[1] = standard_colors[i & 7][1]; | |
274 | Pens[i].rgb[2] = standard_colors[i & 7][2]; | |
275 | } | |
276 | else | |
277 | { | |
278 | Pens[i].rgb[0] = (params[1].value.number - ColorRange[0][0]) / | |
279 | (ColorRange[0][1] - ColorRange[0][0]); | |
280 | Pens[i].rgb[1] = (params[2].value.number - ColorRange[1][0]) / | |
281 | (ColorRange[1][1] - ColorRange[1][0]); | |
282 | Pens[i].rgb[2] = (params[3].value.number - ColorRange[2][0]) / | |
283 | (ColorRange[2][1] - ColorRange[2][0]); | |
284 | ||
285 | fprintf(stderr, "DEBUG: Pen %d %.0f %.0f %.0f = %.3f %.3f %.3f\n", | |
286 | i, params[1].value.number, params[2].value.number, | |
287 | params[3].value.number, Pens[i].rgb[0], Pens[i].rgb[1], | |
288 | Pens[i].rgb[2]); | |
289 | } | |
290 | ||
291 | if (PageDirty && i == PenNumber) | |
292 | printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0], | |
293 | Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2], | |
294 | Pens[PenNumber].width * PenScaling); | |
295 | } | |
296 | else | |
297 | fprintf(stderr, | |
298 | "DEBUG: HP-GL/2 \'PC\' command with invalid number of " | |
299 | "parameters (%d)!\n", num_params); | |
300 | } | |
301 | ||
302 | ||
303 | /* | |
304 | * 'PW_pen_width()' - Set the pen width. | |
305 | */ | |
306 | ||
307 | void | |
308 | PW_pen_width(int num_params, /* I - Number of parameters */ | |
309 | param_t *params) /* I - Parameters */ | |
310 | { | |
311 | int pen; /* Pen number */ | |
312 | float w; /* Width value */ | |
313 | ||
314 | ||
315 | if (WidthUnits == 0) | |
316 | { | |
317 | /* | |
318 | * Metric... | |
319 | */ | |
320 | ||
321 | if (num_params == 0) | |
322 | w = 0.35f / 25.4f * 72.0f; | |
323 | else | |
324 | w = params[0].value.number / 25.4f * 72.0f; | |
325 | } | |
326 | else | |
327 | { | |
328 | /* | |
329 | * Relative... | |
330 | */ | |
331 | ||
332 | w = (float)hypot(PlotSize[0], PlotSize[1]) / 1016.0f * 72.0f; | |
333 | ||
334 | if (num_params == 0) | |
335 | w *= 0.01f; | |
336 | else | |
337 | w *= params[0].value.number; | |
338 | } | |
339 | ||
340 | if (num_params == 2) | |
341 | { | |
342 | pen = (int)params[1].value.number; | |
343 | ||
344 | Pens[pen].width = w; | |
345 | ||
346 | if (PageDirty && pen == PenNumber) | |
347 | printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0], | |
348 | Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2], | |
349 | Pens[PenNumber].width * PenScaling); | |
350 | } | |
351 | else if (num_params < 2) | |
352 | { | |
353 | /* | |
354 | * Set width for all pens... | |
355 | */ | |
356 | ||
357 | for (pen = 0; pen <= PenCount; pen ++) | |
358 | Pens[pen].width = w; | |
359 | ||
360 | if (PageDirty) | |
361 | printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0], | |
362 | Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2], | |
363 | Pens[PenNumber].width * PenScaling); | |
364 | } | |
365 | else | |
366 | fprintf(stderr, | |
367 | "DEBUG: HP-GL/2 \'PW\' command with invalid number of " | |
368 | "parameters (%d)!\n", num_params); | |
369 | } | |
370 | ||
371 | ||
372 | /* | |
373 | * 'RF_raster_fill()' - Set the raster fill pattern. | |
374 | * | |
375 | * Note: | |
376 | * | |
377 | * This needs to be implemented. | |
378 | */ | |
379 | ||
380 | void | |
381 | RF_raster_fill(int num_params, /* I - Number of parameters */ | |
382 | param_t *params) /* I - Parameters */ | |
383 | { | |
384 | (void)num_params; | |
385 | (void)params; | |
386 | } | |
387 | ||
388 | ||
389 | /* | |
390 | * 'SM_symbol_mode()' - Set where symbols are drawn. | |
391 | */ | |
392 | ||
393 | void | |
394 | SM_symbol_mode(int num_params, /* I - Number of parameters */ | |
395 | param_t *params) /* I - Parameters */ | |
396 | { | |
397 | (void)num_params; | |
398 | (void)params; | |
399 | } | |
400 | ||
401 | ||
402 | /* | |
403 | * 'SP_select_pen()' - Select a pen for drawing. | |
404 | */ | |
405 | ||
406 | void | |
407 | SP_select_pen(int num_params, /* I - Number of parameters */ | |
408 | param_t *params) /* I - Parameters */ | |
409 | { | |
410 | if (num_params == 0) | |
411 | PenNumber = 1; | |
412 | else if (params[0].value.number <= PenCount) | |
413 | PenNumber = (int)params[0].value.number; | |
414 | else | |
415 | fprintf(stderr, | |
416 | "DEBUG: HP-GL/2 \'SP\' command with invalid number or value " | |
417 | "of parameters (%d, %d)!\n", num_params, | |
418 | (int)params[0].value.number); | |
419 | ||
420 | if (PageDirty) | |
421 | printf("%.3f %.3f %.3f %.2f SP\n", Pens[PenNumber].rgb[0], | |
422 | Pens[PenNumber].rgb[1], Pens[PenNumber].rgb[2], | |
423 | Pens[PenNumber].width * PenScaling); | |
424 | } | |
425 | ||
426 | ||
427 | /* | |
428 | * 'UL_user_line_type()' - Set a user-defined line type. | |
429 | */ | |
430 | ||
431 | void | |
432 | UL_user_line_type(int num_params, /* I - Number of parameters */ | |
433 | param_t *params) /* I - Parameters */ | |
434 | { | |
435 | (void)num_params; | |
436 | (void)params; | |
437 | } | |
438 | ||
439 | ||
440 | /* | |
441 | * 'WU_width_units()' - Set the units used for pen widths. | |
442 | */ | |
443 | ||
444 | void | |
445 | WU_width_units(int num_params, /* I - Number of parameters */ | |
446 | param_t *params) /* I - Parameters */ | |
447 | { | |
448 | if (num_params == 0) | |
449 | WidthUnits = 0; | |
450 | else if (num_params == 1) | |
451 | WidthUnits = (int)params[0].value.number; | |
452 | else | |
453 | fprintf(stderr, | |
454 | "DEBUG: HP-GL/2 \'WU\' command with invalid number of " | |
455 | "parameters (%d)!\n", num_params); | |
456 | } | |
457 | ||
458 | ||
459 | /* | |
460 | * End of "$Id: hpgl-attr.c 6420 2007-03-30 20:00:59Z mike $". | |
461 | */ |