| 2 |
- |
1 |
/* Copyright (C) 1995, 1996 Aladdin Enterprises. All rights reserved.
|
|
|
2 |
|
|
|
3 |
This software is provided AS-IS with no warranty, either express or
|
|
|
4 |
implied.
|
|
|
5 |
|
|
|
6 |
This software is distributed under license and may not be copied,
|
|
|
7 |
modified or distributed except as expressly authorized under the terms
|
|
|
8 |
of the license contained in the file LICENSE in this distribution.
|
|
|
9 |
|
|
|
10 |
For more information about licensing, please refer to
|
|
|
11 |
http://www.ghostscript.com/licensing/. For information on
|
|
|
12 |
commercial licensing, go to http://www.artifex.com/licensing/ or
|
|
|
13 |
contact Artifex Software, Inc., 101 Lucas Valley Road #110,
|
|
|
14 |
San Rafael, CA 94903, U.S.A., +1(415)492-9861.
|
|
|
15 |
*/
|
|
|
16 |
|
|
|
17 |
/* $Id: gdevstc.c,v 1.11 2004/11/22 19:25:57 giles Exp $*/
|
|
|
18 |
/* Epson Stylus-Color Printer-Driver */
|
|
|
19 |
|
|
|
20 |
/***
|
|
|
21 |
*** This file was "copied" from gdevcdj.c (ghostscript-3.12), which was
|
|
|
22 |
*** contributed by:
|
|
|
23 |
*** George Cameron - g.cameron@biomed.abdn.ac.ukis
|
|
|
24 |
*** Koert Zeilstra - koert@zen.cais.com
|
|
|
25 |
*** Eckhard Rueggeberg - eckhard@ts.go.dlr.de
|
|
|
26 |
***
|
|
|
27 |
*** Some of the ESC/P2-code was drawn from gdevescp.c, contributed by
|
|
|
28 |
*** Richard Brown - rab@eos.ncsu.edu
|
|
|
29 |
***
|
|
|
30 |
*** The POSIX-Interrupt-Code is from (Compile-Time-Option -DSTC_SIGNAL)
|
|
|
31 |
*** Frederic Loyer - loyer@ensta.fr
|
|
|
32 |
***
|
|
|
33 |
*** And several improvements are based on discussions with
|
|
|
34 |
*** Brian Converse - BCONVERSE@ids.net
|
|
|
35 |
*** Bill Davidson - bdavidson@ra.isisnet.com
|
|
|
36 |
*** Gero Guenther - gero@cs.tu-berlin.de
|
|
|
37 |
*** Jason Patterson - jason@reflections.com.au
|
|
|
38 |
*** ? Rueschstroer - rue@ibe.med.uni-muenchen.de
|
|
|
39 |
*** Steven Singer - S.Singer@ph.surrey.ac.uk
|
|
|
40 |
***
|
|
|
41 |
*** And the remaining little rest, mainly the bugs, were written by me:
|
|
|
42 |
*** Gunther Hess - gunther@elmos.de
|
|
|
43 |
***
|
|
|
44 |
*** P.S.: there is some documentation, see devices.doc
|
|
|
45 |
***
|
|
|
46 |
*** Revision-History:
|
|
|
47 |
*** 16-DEC-1994 1.1 - initial Version (GS-Dithering & Plain-Write)
|
|
|
48 |
...
|
|
|
49 |
*** 30-JAN-1995 1.11 - FS-Improvements, u/sWeave, 1/4/24-Bits
|
|
|
50 |
*** 5-MAR-1995 1.12 - L. Peter Deutsch - updated put_params routine
|
|
|
51 |
(first distributed version with gs3.33)
|
|
|
52 |
*** 26-APR-1995 1.13 - merged Peters fixes with algorithmic changes:
|
|
|
53 |
Changed 24Bit-Mode, added 32Bit-Mode (moves colors)
|
|
|
54 |
[Arrgh: much better than 1.12, but patch was lost]
|
|
|
55 |
*** 5-JUN-1995 1.14 - Added Color-Correction & Transfer-Curves
|
|
|
56 |
(Several Beta-Testers, but not distributed)
|
|
|
57 |
...
|
|
|
58 |
*** 24-JUL-1995 1.16 - Made dithering-Algorithms external-functions.
|
|
|
59 |
(Mailed for Beta-Distribution)
|
|
|
60 |
*** 10-AUG-1995 1.17 - Several Bug-Fixes and some new features:
|
|
|
61 |
CMYK10-Coding added
|
|
|
62 |
Readonly Parameters added
|
|
|
63 |
"Algorithms", "BitsPerComponent", "Version"
|
|
|
64 |
Parameters Flag0-4, Model, OutputCode
|
|
|
65 |
(mailed for distribution)
|
|
|
66 |
*** 14-SEP-1995 1.18 Fixes Bugs with Borland C (gs3.47)
|
|
|
67 |
*** 23-SEP-1995 1.19 - reorganized printcode + bug-fixing
|
|
|
68 |
*** 24-SEP-1995 1.20 - Little Cleanup for the release
|
|
|
69 |
*** 25-SEP-1995 1.21 - Readonly-Parameters added to put_params.
|
|
|
70 |
*** 31-Dec-1995 1.22 - Sanitary Engineering on the code
|
|
|
71 |
*** 16-Jan-1996 1.23 - Added String escp_Release
|
|
|
72 |
*** 8-May-1996 1.90 - Reintroduced Deltarow & Fixed MEMORY-BUG!
|
|
|
73 |
***/
|
|
|
74 |
|
|
|
75 |
#include "gdevstc.h"
|
|
|
76 |
#ifdef STC_SIGNAL
|
|
|
77 |
# include <signal.h>
|
|
|
78 |
#endif /* STC_SIGNAL */
|
|
|
79 |
/***
|
|
|
80 |
*** Mode-Table - the various algorithms
|
|
|
81 |
*** (The intention is, that this source can live alone)
|
|
|
82 |
***/
|
|
|
83 |
|
|
|
84 |
private stc_proc_dither(stc_gscmyk); /* resides in this file */
|
|
|
85 |
private stc_proc_dither(stc_hscmyk); /* resides in this file */
|
|
|
86 |
|
|
|
87 |
#include <stdlib.h> /* for rand, used in stc_hscmyk */
|
|
|
88 |
|
|
|
89 |
private const stc_dither_t stc_dither[] = {
|
|
|
90 |
{"gscmyk", stc_gscmyk, DeviceCMYK|STC_BYTE|STC_DIRECT,0,{0.0,1.0}},
|
|
|
91 |
{"hscmyk", stc_hscmyk,
|
|
|
92 |
DeviceCMYK|STC_LONG|STC_CMYK10|STC_DIRECT|1*STC_SCAN,1+2*4,
|
|
|
93 |
{0.0, 1023.0}},
|
|
|
94 |
STC_MODI
|
|
|
95 |
{ NULL , NULL , 0, 0,{0.0,0.0}}
|
|
|
96 |
};
|
|
|
97 |
|
|
|
98 |
/***
|
|
|
99 |
*** forward-declarations of routines
|
|
|
100 |
***/
|
|
|
101 |
|
|
|
102 |
/* Primary Device functions
|
|
|
103 |
* (I've the idea to rename the driver to stc)
|
|
|
104 |
*/
|
|
|
105 |
private dev_proc_print_page(stc_print_page);
|
|
|
106 |
private dev_proc_open_device(stc_open);
|
|
|
107 |
private dev_proc_close_device(stc_close);
|
|
|
108 |
private dev_proc_get_params(stc_get_params);
|
|
|
109 |
private dev_proc_put_params(stc_put_params);
|
|
|
110 |
|
|
|
111 |
/*
|
|
|
112 |
* Color-Mapping-functions.
|
|
|
113 |
*/
|
|
|
114 |
|
|
|
115 |
/* routines for monochrome monochrome modi */
|
|
|
116 |
private dev_proc_map_rgb_color(stc_map_gray_color);
|
|
|
117 |
private dev_proc_map_color_rgb(stc_map_color_gray);
|
|
|
118 |
|
|
|
119 |
/* routines for RGB-Modi */
|
|
|
120 |
private dev_proc_map_rgb_color(stc_map_rgb_color);
|
|
|
121 |
private dev_proc_map_color_rgb(stc_map_color_rgb);
|
|
|
122 |
|
|
|
123 |
/* routines for general CMYK-Modi */
|
|
|
124 |
private dev_proc_map_cmyk_color(stc_map_cmyk_color);
|
|
|
125 |
private dev_proc_map_color_rgb(stc_map_color_cmyk);
|
|
|
126 |
|
|
|
127 |
/* routines for 10Bit/Component CMYK */
|
|
|
128 |
private dev_proc_map_cmyk_color(stc_map_cmyk10_color);
|
|
|
129 |
private dev_proc_map_color_rgb(stc_map_color_cmyk10);
|
|
|
130 |
|
|
|
131 |
/***
|
|
|
132 |
*** Table of Device-Procedures
|
|
|
133 |
***/
|
|
|
134 |
private gx_device_procs stcolor_procs = {
|
|
|
135 |
stc_open,
|
|
|
136 |
gx_default_get_initial_matrix,
|
|
|
137 |
gx_default_sync_output,
|
|
|
138 |
gdev_prn_output_page,
|
|
|
139 |
stc_close,
|
|
|
140 |
NULL,
|
|
|
141 |
stc_map_color_cmyk,
|
|
|
142 |
NULL, /* fill_rectangle */
|
|
|
143 |
NULL, /* tile_rectangle */
|
|
|
144 |
NULL, /* copy_mono */
|
|
|
145 |
NULL, /* copy_color */
|
|
|
146 |
NULL, /* draw_line */
|
|
|
147 |
gx_default_get_bits,
|
|
|
148 |
stc_get_params,
|
|
|
149 |
stc_put_params,
|
|
|
150 |
stc_map_cmyk_color
|
|
|
151 |
};
|
|
|
152 |
|
|
|
153 |
/***
|
|
|
154 |
*** A local dummy-array for extvals
|
|
|
155 |
***/
|
|
|
156 |
|
|
|
157 |
private float defext[] = { 0.0, 1.0 };
|
|
|
158 |
|
|
|
159 |
/***
|
|
|
160 |
*** Main device-control structure
|
|
|
161 |
***/
|
|
|
162 |
stcolor_device far_data gs_stcolor_device = {
|
|
|
163 |
prn_device_body(stcolor_device, stcolor_procs, "stcolor",
|
|
|
164 |
DEFAULT_WIDTH_10THS, DEFAULT_HEIGHT_10THS,
|
|
|
165 |
X_DPI, Y_DPI,
|
|
|
166 |
STC_L_MARGIN,STC_B_MARGIN,STC_R_MARGIN,STC_T_MARGIN,
|
|
|
167 |
4, 4, 1, 1, 2, 2, /* default: cmyk-direct */
|
|
|
168 |
stc_print_page),
|
|
|
169 |
{STCNWEAVE, /* stcflags: noWeave/bidirectional */
|
|
|
170 |
1, /* stcbits: matches the default */
|
|
|
171 |
stc_dither, /* stcdither: first algorithm */
|
|
|
172 |
NULL, /* stcam: NULL -> not used */
|
|
|
173 |
{ NULL, NULL, NULL, NULL}, /* extcode: none defined yet */
|
|
|
174 |
{ 0, 0, 0, 0}, /* sizcode: 0, since no extcode yet */
|
|
|
175 |
{ NULL, NULL, NULL, NULL}, /* stccode: computed by put_params */
|
|
|
176 |
{defext,defext,defext,defext},/* extvals: default */
|
|
|
177 |
{ 2, 2, 2, 2}, /* sizvals: default countof(defext) */
|
|
|
178 |
{ NULL, NULL, NULL, NULL}, /* stcvals: computed by put_params */
|
|
|
179 |
{ 0, 0, 0}, /* white-run */
|
|
|
180 |
{ 0, 0, 0}, /* white-end */
|
|
|
181 |
{NULL,0,false}, /* algorithm-table */
|
|
|
182 |
{NULL,0,false}, /* initialization-String (BOP) */
|
|
|
183 |
{NULL,0,false}, /* release-String (EOP) */
|
|
|
184 |
0,0,0,0, /* New escp-stuff */
|
|
|
185 |
1} /* itemsize used by algorithm */
|
|
|
186 |
};
|
|
|
187 |
/***
|
|
|
188 |
*** Test for white scan-lines
|
|
|
189 |
***/
|
|
|
190 |
private bool stc_iswhite(stcolor_device *, int, byte *);
|
|
|
191 |
|
|
|
192 |
/***
|
|
|
193 |
*** Functions used for conversion inside the print-loop
|
|
|
194 |
***/
|
|
|
195 |
#define stc_proc_iconvert(Name) \
|
|
|
196 |
byte * Name(stcolor_device *sd,byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
197 |
|
|
|
198 |
private stc_proc_iconvert(stc_any_depth); /* general input-conversion */
|
|
|
199 |
private stc_proc_iconvert(stc_rgb24_long); /* 24Bit RGB -> long's */
|
|
|
200 |
|
|
|
201 |
private stc_proc_iconvert(stc_cmyk32_long); /* 32Bit CMYK -> long's */
|
|
|
202 |
private stc_proc_iconvert(stc_any_direct); /* use ext_data as input */
|
|
|
203 |
|
|
|
204 |
private stc_proc_iconvert(stc_cmyk10_byte); /* CMYK10->vals-> any type */
|
|
|
205 |
private stc_proc_iconvert(stc_cmyk10_long); /* CMYK10->vals-> any type */
|
|
|
206 |
private stc_proc_iconvert(stc_cmyk10_float); /* CMYK10->vals-> any type */
|
|
|
207 |
private stc_proc_iconvert(stc_cmyk10_dbyte); /* CMYK10 direct bytes */
|
|
|
208 |
private stc_proc_iconvert(stc_cmyk10_dlong); /* CMYK10 direct longs */
|
|
|
209 |
|
|
|
210 |
/***
|
|
|
211 |
*** Print-functions
|
|
|
212 |
***/
|
|
|
213 |
private void stc_print_weave(stcolor_device *sd,FILE *prn_stream);
|
|
|
214 |
private void stc_print_bands(stcolor_device *sd,FILE *prn_stream);
|
|
|
215 |
private void stc_print_delta(stcolor_device *sd,FILE *prn_stream);
|
|
|
216 |
private int stc_print_setup(stcolor_device *sd);
|
|
|
217 |
|
|
|
218 |
/***
|
|
|
219 |
*** compute the ESC/P2 specific values
|
|
|
220 |
***/
|
|
|
221 |
|
|
|
222 |
private int
|
|
|
223 |
stc_print_setup(stcolor_device *sd)
|
|
|
224 |
{
|
|
|
225 |
|
|
|
226 |
/*
|
|
|
227 |
* Compute the resolution-parameters
|
|
|
228 |
*/
|
|
|
229 |
sd->stc.escp_u = (int)(3600.0 / sd->y_pixels_per_inch); /* y-units */
|
|
|
230 |
sd->stc.escp_h = (int)(3600.0 / sd->x_pixels_per_inch); /* x-units */
|
|
|
231 |
sd->stc.escp_v = sd->stc.flags & (STCUWEAVE | STCNWEAVE) ?
|
|
|
232 |
sd->stc.escp_u : 40;
|
|
|
233 |
/*
|
|
|
234 |
* Initialize color
|
|
|
235 |
*/
|
|
|
236 |
sd->stc.escp_c = 0; /* preselect-black */
|
|
|
237 |
|
|
|
238 |
/*
|
|
|
239 |
* Band-Width
|
|
|
240 |
*/
|
|
|
241 |
if((sd->stc.flags & STCBAND) == 0) {
|
|
|
242 |
if(sd->stc.escp_v != sd->stc.escp_u) sd->stc.escp_m = 15;
|
|
|
243 |
else if(STCSTCII == (sd->stc.flags & STCMODEL)) sd->stc.escp_m = 1;
|
|
|
244 |
else if( sd->stc.flags & STCUWEAVE) sd->stc.escp_m = 1;
|
|
|
245 |
else if((sd->stc.escp_v == sd->stc.escp_u) &&
|
|
|
246 |
(sd->stc.escp_u == 5)) sd->stc.escp_m = 1;
|
|
|
247 |
else sd->stc.escp_m = 1;
|
|
|
248 |
}
|
|
|
249 |
|
|
|
250 |
/*
|
|
|
251 |
* Page-Dimensions
|
|
|
252 |
*/
|
|
|
253 |
if((sd->stc.flags & STCWIDTH ) == 0)
|
|
|
254 |
sd->stc.escp_width = (int)(sd->width -
|
|
|
255 |
(dev_l_margin(sd)+dev_r_margin(sd))*sd->x_pixels_per_inch);
|
|
|
256 |
|
|
|
257 |
if((sd->stc.flags & STCHEIGHT) == 0)
|
|
|
258 |
sd->stc.escp_height = sd->height;
|
|
|
259 |
|
|
|
260 |
if((sd->stc.flags & STCTOP) == 0)
|
|
|
261 |
sd->stc.escp_top = (int)(dev_t_margin(sd)*sd->y_pixels_per_inch);
|
|
|
262 |
|
|
|
263 |
if((sd->stc.flags & STCBOTTOM) == 0)
|
|
|
264 |
sd->stc.escp_bottom = (int)(sd->height -
|
|
|
265 |
dev_b_margin(sd)*sd->y_pixels_per_inch);
|
|
|
266 |
|
|
|
267 |
if((sd->stc.flags & STCINIT) == 0) { /* No Initialization-String defined */
|
|
|
268 |
int need = 8 /* Reset, Graphics-Mode 1 */
|
|
|
269 |
+ 6 /* MicroWeave */
|
|
|
270 |
+ 6 /* Select Units */
|
|
|
271 |
+ 7 /* Set Page-Length */
|
|
|
272 |
+ 9 /* Set Margins */
|
|
|
273 |
+ 3; /* Select Unidirectionality */
|
|
|
274 |
byte *bp = (byte *) (sd->stc.escp_init.data);
|
|
|
275 |
|
|
|
276 |
if(need != sd->stc.escp_init.size) { /* Reallocate */
|
|
|
277 |
|
|
|
278 |
if(NULL != (bp = gs_malloc(sd->memory, need,1,"stcolor/init"))) { /* Replace */
|
|
|
279 |
if(0 != sd->stc.escp_init.size)
|
|
|
280 |
gs_free(sd->memory, (byte *)sd->stc.escp_init.data,sd->stc.escp_init.size,1,
|
|
|
281 |
"stcolor/init");
|
|
|
282 |
sd->stc.escp_init.data = bp;
|
|
|
283 |
sd->stc.escp_init.size = need;
|
|
|
284 |
sd->stc.escp_init.persistent = false;
|
|
|
285 |
} else { /* Replace */
|
|
|
286 |
return_error(gs_error_VMerror);
|
|
|
287 |
}
|
|
|
288 |
}
|
|
|
289 |
|
|
|
290 |
if(need != 39) return_error(gs_error_unregistered);
|
|
|
291 |
|
|
|
292 |
memcpy(bp,
|
|
|
293 |
/* 1 1 11 1 11 1 1 1 2 22 2 2 22 2 22 3 3 3333 3 33*/
|
|
|
294 |
/* 0 1 2 34 5 6 7 8 90 1 23 4 56 7 8 9 0 12 3 4 56 7 89 0 1 2345 6 78*/
|
|
|
295 |
"\033@\033(G\001\0\1\033(i\1\0w\033(U\001\000u\033(C\2\000hh\033(c\4\000ttbb\033U",
|
|
|
296 |
need);
|
|
|
297 |
|
|
|
298 |
|
|
|
299 |
if((sd->stc.flags & STCUWEAVE) != 0) bp[13] = '\1';
|
|
|
300 |
else bp[13] = '\0';
|
|
|
301 |
|
|
|
302 |
bp[19] = sd->stc.escp_u;
|
|
|
303 |
|
|
|
304 |
bp[25] = sd->stc.escp_height & 0xff;
|
|
|
305 |
bp[26] = (sd->stc.escp_height>>8) & 0xff;
|
|
|
306 |
|
|
|
307 |
bp[32] = sd->stc.escp_top & 0xff;
|
|
|
308 |
bp[33] = (sd->stc.escp_top>>8) & 0xff;
|
|
|
309 |
bp[34] = sd->stc.escp_bottom & 0xff;
|
|
|
310 |
bp[35] = (sd->stc.escp_bottom>>8) & 0xff;
|
|
|
311 |
|
|
|
312 |
if(sd->stc.flags & STCUNIDIR) bp[38] = 1;
|
|
|
313 |
else bp[38] = 0;
|
|
|
314 |
|
|
|
315 |
} /* No Initialization-String defined */
|
|
|
316 |
|
|
|
317 |
if((sd->stc.flags & STCRELEASE) == 0) { /* No Release-String defined */
|
|
|
318 |
int need = 3; /* ESC @ \f */
|
|
|
319 |
byte *bp = (byte *) (sd->stc.escp_release.data);
|
|
|
320 |
|
|
|
321 |
if(need != sd->stc.escp_release.size) { /* Reallocate */
|
|
|
322 |
|
|
|
323 |
if(NULL != (bp = gs_malloc(sd->memory, need,1,"stcolor/release"))) { /* Replace */
|
|
|
324 |
if(0 != sd->stc.escp_release.size)
|
|
|
325 |
gs_free(sd->memory, (byte *)sd->stc.escp_release.data,sd->stc.escp_release.size,1,
|
|
|
326 |
"stcolor/release");
|
|
|
327 |
sd->stc.escp_release.data = bp;
|
|
|
328 |
sd->stc.escp_release.size = need;
|
|
|
329 |
sd->stc.escp_release.persistent = false;
|
|
|
330 |
} else { /* Replace */
|
|
|
331 |
return_error(gs_error_VMerror);
|
|
|
332 |
}
|
|
|
333 |
}
|
|
|
334 |
|
|
|
335 |
if(need != 3) return_error(gs_error_unregistered);
|
|
|
336 |
|
|
|
337 |
memcpy(bp,"\033@\f",need);
|
|
|
338 |
|
|
|
339 |
} /* No Release-String defined */
|
|
|
340 |
|
|
|
341 |
return 0;
|
|
|
342 |
}
|
|
|
343 |
|
|
|
344 |
/***
|
|
|
345 |
*** stc_print_page: here we go to do the nasty work
|
|
|
346 |
***/
|
|
|
347 |
|
|
|
348 |
private int
|
|
|
349 |
stc_print_page(gx_device_printer * pdev, FILE * prn_stream)
|
|
|
350 |
{
|
|
|
351 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
352 |
long flags = sd == NULL ? 0 : sd->stc.flags;
|
|
|
353 |
|
|
|
354 |
int npass; /* # of print-passes (softweave) */
|
|
|
355 |
|
|
|
356 |
int ext_size; /* size of a ghostscript-scanline */
|
|
|
357 |
byte *ext_line; /* dyn: for this scanline */
|
|
|
358 |
|
|
|
359 |
int alg_size; /* size of a scanline for the dithering-algorithm */
|
|
|
360 |
byte *alg_line; /* dyn: 1 scanline for the dithering-algorithm */
|
|
|
361 |
int buf_size; /* size of the private-buffer for dither-function */
|
|
|
362 |
byte *buf; /* dyn: the private buffer */
|
|
|
363 |
|
|
|
364 |
int prt_pixels; /* Number of pixels printed */
|
|
|
365 |
byte *col_line; /* A Line with a byte per pixel */
|
|
|
366 |
|
|
|
367 |
#define OK4GO ((flags & STCOK4GO) != 0)
|
|
|
368 |
#define SORRY ( flags &= ~STCOK4GO)
|
|
|
369 |
|
|
|
370 |
if(0 > (npass = stc_print_setup(sd))) return_error(npass);
|
|
|
371 |
|
|
|
372 |
npass = sd->stc.escp_v / sd->stc.escp_u;
|
|
|
373 |
|
|
|
374 |
/***
|
|
|
375 |
*** Allocate dynamic memory
|
|
|
376 |
***/
|
|
|
377 |
|
|
|
378 |
ext_size = gdev_prn_raster(sd);
|
|
|
379 |
ext_line = gs_malloc(sd->memory, ext_size,1,"stc_print_page/ext_line");
|
|
|
380 |
if(ext_line == NULL) SORRY;
|
|
|
381 |
|
|
|
382 |
prt_pixels = sd->stc.escp_width;
|
|
|
383 |
sd->stc.prt_size = (prt_pixels+7)/8;
|
|
|
384 |
prt_pixels = sd->stc.prt_size * 8;
|
|
|
385 |
|
|
|
386 |
sd->stc.prt_scans = (int)(sd->height -
|
|
|
387 |
(dev_t_margin(sd)+dev_b_margin(sd))*sd->y_pixels_per_inch);
|
|
|
388 |
|
|
|
389 |
col_line = gs_malloc(sd->memory, prt_pixels,1,"stc_print_page/col_line");
|
|
|
390 |
if(col_line == NULL) SORRY;
|
|
|
391 |
|
|
|
392 |
alg_size = prt_pixels;
|
|
|
393 |
alg_size *= sd->color_info.num_components;
|
|
|
394 |
|
|
|
395 |
if((sd->stc.dither->flags & STC_DIRECT) ||
|
|
|
396 |
((sd->stc.bits == 8) &&
|
|
|
397 |
(sd->stc.alg_item == 1))) {
|
|
|
398 |
alg_line = NULL;
|
|
|
399 |
} else {
|
|
|
400 |
alg_line = gs_malloc(sd->memory, alg_size,sd->stc.alg_item,"stc_print_page/alg_line");
|
|
|
401 |
if(alg_line == NULL) SORRY;
|
|
|
402 |
}
|
|
|
403 |
|
|
|
404 |
buf_size = sd->stc.dither->bufadd
|
|
|
405 |
+ alg_size*(sd->stc.dither->flags/STC_SCAN);
|
|
|
406 |
if(buf_size > 0) {
|
|
|
407 |
buf = gs_malloc(sd->memory, buf_size,sd->stc.alg_item,"stc_print_page/buf");
|
|
|
408 |
if(buf == NULL) SORRY;
|
|
|
409 |
} else {
|
|
|
410 |
buf = NULL;
|
|
|
411 |
}
|
|
|
412 |
|
|
|
413 |
/*
|
|
|
414 |
* compute the number of printer-buffers
|
|
|
415 |
*/
|
|
|
416 |
|
|
|
417 |
for(sd->stc.prt_buf = 16; sd->stc.prt_buf < (sd->stc.escp_m * npass);
|
|
|
418 |
sd->stc.prt_buf <<= 1);
|
|
|
419 |
if(sd->color_info.num_components > 1) sd->stc.prt_buf *= 4;
|
|
|
420 |
|
|
|
421 |
sd->stc.prt_width = gs_malloc(sd->memory, sd->stc.prt_buf,sizeof(int),
|
|
|
422 |
"stc_print_page/prt_width");
|
|
|
423 |
if(sd->stc.prt_width == NULL) SORRY;
|
|
|
424 |
|
|
|
425 |
sd->stc.prt_data = gs_malloc(sd->memory, sd->stc.prt_buf,sizeof(byte *),
|
|
|
426 |
"stc_print_page/prt_data");
|
|
|
427 |
|
|
|
428 |
if(sd->stc.prt_data == NULL) {
|
|
|
429 |
SORRY;
|
|
|
430 |
} else {
|
|
|
431 |
int i;
|
|
|
432 |
|
|
|
433 |
for(i = 0; i < sd->stc.prt_buf; ++i) {
|
|
|
434 |
sd->stc.prt_data[i] = gs_malloc(sd->memory, sd->stc.prt_size,1,
|
|
|
435 |
"stc_print_page/prt");
|
|
|
436 |
if(sd->stc.prt_data[i] == NULL) SORRY;
|
|
|
437 |
}
|
|
|
438 |
}
|
|
|
439 |
|
|
|
440 |
sd->stc.seed_size = (sd->stc.prt_size + 2*sizeof(int) - 1)/sizeof(int);
|
|
|
441 |
{
|
|
|
442 |
int i;
|
|
|
443 |
for(i = 0; i < sd->color_info.num_components; ++i) {
|
|
|
444 |
if((flags & STCCOMP) == STCDELTA) {
|
|
|
445 |
sd->stc.seed_row[i] = gs_malloc(sd->memory, sd->stc.seed_size,sizeof(int),
|
|
|
446 |
"stc_print_page/seed_row");
|
|
|
447 |
if(sd->stc.seed_row[i] == NULL) SORRY;
|
|
|
448 |
else memset(sd->stc.seed_row[i],0,sd->stc.seed_size*sizeof(int));
|
|
|
449 |
} else {
|
|
|
450 |
sd->stc.seed_row[i] = NULL;
|
|
|
451 |
}
|
|
|
452 |
}
|
|
|
453 |
while(i < countof(sd->stc.seed_row)) sd->stc.seed_row[i++] = NULL;
|
|
|
454 |
}
|
|
|
455 |
|
|
|
456 |
switch(flags & STCCOMP) {
|
|
|
457 |
case STCPLAIN:
|
|
|
458 |
sd->stc.escp_size = 64 + sd->stc.prt_size;
|
|
|
459 |
break;
|
|
|
460 |
case STCDELTA:
|
|
|
461 |
sd->stc.escp_size = 64 + 2 * sd->stc.prt_size;
|
|
|
462 |
break;
|
|
|
463 |
default:
|
|
|
464 |
sd->stc.escp_size = 64 +
|
|
|
465 |
sd->stc.prt_size + (sd->stc.prt_size + 127)/128;
|
|
|
466 |
break;
|
|
|
467 |
}
|
|
|
468 |
|
|
|
469 |
sd->stc.escp_data = gs_malloc(sd->memory, sd->stc.escp_size,1,
|
|
|
470 |
"stc_print_page/escp_data");
|
|
|
471 |
if(sd->stc.escp_data == NULL) SORRY;
|
|
|
472 |
|
|
|
473 |
/*
|
|
|
474 |
* If we're still ok, we can print something
|
|
|
475 |
*/
|
|
|
476 |
|
|
|
477 |
if(OK4GO) {
|
|
|
478 |
|
|
|
479 |
int ncolor;
|
|
|
480 |
int buf_i;
|
|
|
481 |
stc_proc_iconvert((*iconvert)) = stc_any_depth;
|
|
|
482 |
|
|
|
483 |
/*
|
|
|
484 |
* initialize col_line
|
|
|
485 |
*/
|
|
|
486 |
if(sd->color_info.num_components == 3) {
|
|
|
487 |
memset(col_line,RED|GREEN|BLUE,prt_pixels);
|
|
|
488 |
} else {
|
|
|
489 |
memset(col_line,0, prt_pixels);
|
|
|
490 |
}
|
|
|
491 |
|
|
|
492 |
/*
|
|
|
493 |
* select proper conversion for input to algorithm
|
|
|
494 |
*/
|
|
|
495 |
if( (sd->stc.dither->flags & STC_DIRECT ) ||
|
|
|
496 |
((sd->stc.bits == 8) &&
|
|
|
497 |
(sd->stc.alg_item == 1)))
|
|
|
498 |
iconvert = stc_any_direct;
|
|
|
499 |
else if((sd->color_info.num_components == 3) &&
|
|
|
500 |
(sd->color_info.depth == 24) &&
|
|
|
501 |
(sizeof(long) == sd->stc.alg_item))
|
|
|
502 |
iconvert = stc_rgb24_long;
|
|
|
503 |
else if(sd->stc.flags & STCCMYK10) {
|
|
|
504 |
if( ((sd->stc.dither->flags & STC_TYPE) == STC_BYTE) &&
|
|
|
505 |
( sd->stc.dither->minmax[0] == 0.0 ))
|
|
|
506 |
iconvert = stc_cmyk10_dbyte;
|
|
|
507 |
else if ((sd->stc.dither->flags & STC_TYPE) == STC_BYTE)
|
|
|
508 |
iconvert = stc_cmyk10_byte;
|
|
|
509 |
else if(((sd->stc.dither->flags & STC_TYPE) == STC_LONG) &&
|
|
|
510 |
( sd->stc.dither->minmax[0] == 0.0 ) &&
|
|
|
511 |
( sd->stc.dither->minmax[1] <= 1023.0 ))
|
|
|
512 |
iconvert = stc_cmyk10_dlong;
|
|
|
513 |
else if( (sd->stc.dither->flags & STC_TYPE) == STC_LONG)
|
|
|
514 |
iconvert = stc_cmyk10_long;
|
|
|
515 |
else
|
|
|
516 |
iconvert = stc_cmyk10_float;
|
|
|
517 |
}
|
|
|
518 |
else if((sd->color_info.num_components == 4) &&
|
|
|
519 |
(sd->color_info.depth == 32) &&
|
|
|
520 |
(sizeof(long) == sd->stc.alg_item))
|
|
|
521 |
iconvert = stc_cmyk32_long;
|
|
|
522 |
|
|
|
523 |
/*
|
|
|
524 |
* initialize the algorithm
|
|
|
525 |
*/
|
|
|
526 |
|
|
|
527 |
if((*sd->stc.dither->fun)(sd,-prt_pixels,alg_line,buf,col_line) < 0)
|
|
|
528 |
SORRY;
|
|
|
529 |
|
|
|
530 |
/*
|
|
|
531 |
* Main-Print-Loop
|
|
|
532 |
*/
|
|
|
533 |
|
|
|
534 |
if(OK4GO) {
|
|
|
535 |
#ifdef STC_SIGNAL
|
|
|
536 |
sigset_t stc_int_mask, stc_int_save, stc_int_pending;
|
|
|
537 |
|
|
|
538 |
sigemptyset(&stc_int_mask);
|
|
|
539 |
sigaddset(&stc_int_mask,SIGINT);
|
|
|
540 |
sigprocmask(SIG_BLOCK,&stc_int_mask, &stc_int_save);
|
|
|
541 |
#endif /* STC_SIGNAL */
|
|
|
542 |
|
|
|
543 |
|
|
|
544 |
if(sd->color_info.num_components > 1) ncolor = 4;
|
|
|
545 |
else ncolor = 1;
|
|
|
546 |
|
|
|
547 |
/*
|
|
|
548 |
* Decide, wether we Adjust Linefeeds or not. (I hate it here)
|
|
|
549 |
*/
|
|
|
550 |
if((0 == ((sd->stc.escp_m*sd->stc.escp_u) % 10)) &&
|
|
|
551 |
(256 > ((sd->stc.escp_m*sd->stc.escp_u) / 10))) sd->stc.escp_lf = sd->stc.escp_m;
|
|
|
552 |
else sd->stc.escp_lf = 0;
|
|
|
553 |
|
|
|
554 |
/*
|
|
|
555 |
* prepare run-values, then loop over scans
|
|
|
556 |
*/
|
|
|
557 |
sd->stc.stc_y = 0; /* current printer y-Position */
|
|
|
558 |
sd->stc.buf_y = 0; /* Top-Position within the buffer */
|
|
|
559 |
sd->stc.prt_y = 0; /* physical position of the printer */
|
|
|
560 |
buf_i = 0; /* next free line in buffer */
|
|
|
561 |
sd->stc.flags &= ~STCPRINT; /* no data yet */
|
|
|
562 |
|
|
|
563 |
while(sd->stc.stc_y < sd->stc.prt_scans) { /* Until all scans are processed */
|
|
|
564 |
int need;
|
|
|
565 |
|
|
|
566 |
need = sd->stc.stc_y + npass * sd->stc.escp_m;
|
|
|
567 |
|
|
|
568 |
if(sd->stc.buf_y < need) { /* Nr. 5 (give me input) */
|
|
|
569 |
|
|
|
570 |
/* read as much as the buffer can hold */
|
|
|
571 |
if(ncolor == 1) need = sd->stc.stc_y + sd->stc.prt_buf;
|
|
|
572 |
else need = sd->stc.stc_y + (sd->stc.prt_buf>>2);
|
|
|
573 |
|
|
|
574 |
for(;sd->stc.buf_y < need;
|
|
|
575 |
buf_i = (sd->stc.prt_buf-1) & (buf_i+ncolor),
|
|
|
576 |
++sd->stc.buf_y) {
|
|
|
577 |
|
|
|
578 |
int color;
|
|
|
579 |
byte *ext_data;
|
|
|
580 |
byte *alg_data;
|
|
|
581 |
|
|
|
582 |
/* initialize output data 1st -> may take shortcut */
|
|
|
583 |
|
|
|
584 |
for(color = 0; color < ncolor; ++color) {
|
|
|
585 |
memset(sd->stc.prt_data[buf_i+color],0,sd->stc.prt_size);
|
|
|
586 |
sd->stc.prt_width[buf_i+color] = 0;
|
|
|
587 |
}
|
|
|
588 |
|
|
|
589 |
|
|
|
590 |
/* "read data", immediately continue if all is white */
|
|
|
591 |
|
|
|
592 |
if(sd->stc.buf_y < sd->stc.prt_scans) { /* Test for White */
|
|
|
593 |
|
|
|
594 |
gdev_prn_get_bits(pdev,sd->stc.buf_y,ext_line,&ext_data);
|
|
|
595 |
|
|
|
596 |
color = stc_iswhite(sd,prt_pixels,ext_data) ? ext_size : 0;
|
|
|
597 |
|
|
|
598 |
} else {
|
|
|
599 |
|
|
|
600 |
color = ext_size;
|
|
|
601 |
|
|
|
602 |
} /* Test for White */
|
|
|
603 |
|
|
|
604 |
if(color >= ext_size) { /* bypass processing */
|
|
|
605 |
|
|
|
606 |
if(sd->stc.dither->flags & STC_WHITE)
|
|
|
607 |
(*sd->stc.dither->fun)(sd,prt_pixels,NULL,buf,col_line);
|
|
|
608 |
continue;
|
|
|
609 |
|
|
|
610 |
} /* bypass processing */
|
|
|
611 |
|
|
|
612 |
/* convert data for the various cases */
|
|
|
613 |
|
|
|
614 |
alg_data = (*iconvert)(sd,ext_data,prt_pixels,alg_line);
|
|
|
615 |
|
|
|
616 |
|
|
|
617 |
/*
|
|
|
618 |
* invoke the dithering-algorithm
|
|
|
619 |
*/
|
|
|
620 |
|
|
|
621 |
(*sd->stc.dither->fun)(sd,prt_pixels,alg_data,buf,col_line);
|
|
|
622 |
/*
|
|
|
623 |
* convert col_line to printer-format (separate colors)
|
|
|
624 |
*/
|
|
|
625 |
switch(sd->color_info.num_components) {
|
|
|
626 |
case 1: /* Black & White: just merge into 8 Bytes */
|
|
|
627 |
{
|
|
|
628 |
byte *bytein,*byteout;
|
|
|
629 |
int width;
|
|
|
630 |
|
|
|
631 |
bytein = col_line;
|
|
|
632 |
byteout = sd->stc.prt_data[buf_i];
|
|
|
633 |
|
|
|
634 |
for(width = 1; width <= sd->stc.prt_size; ++width) {
|
|
|
635 |
byte tmp = 0;
|
|
|
636 |
byte i;
|
|
|
637 |
|
|
|
638 |
for(i = 128; i; i >>= 1) if(*bytein++) tmp |= i;
|
|
|
639 |
|
|
|
640 |
if(tmp != 0) sd->stc.prt_width[buf_i] = width;
|
|
|
641 |
|
|
|
642 |
*byteout++ = tmp;
|
|
|
643 |
}
|
|
|
644 |
}
|
|
|
645 |
break;
|
|
|
646 |
case 3: /* convert rgb into cmyk */
|
|
|
647 |
{
|
|
|
648 |
byte *bytein;
|
|
|
649 |
int width;
|
|
|
650 |
|
|
|
651 |
bytein = col_line;
|
|
|
652 |
|
|
|
653 |
for(width = 0; width < sd->stc.prt_size; ++width) {
|
|
|
654 |
byte i,tmp,cmyk[4];
|
|
|
655 |
|
|
|
656 |
memset(cmyk,0,4);
|
|
|
657 |
|
|
|
658 |
for(i = 128; i; i >>= 1) {
|
|
|
659 |
static const byte rgb2cmyk[] = {
|
|
|
660 |
BLACK, /* 0->Black */
|
|
|
661 |
CYAN | MAGENTA, /* 1->BLUE */
|
|
|
662 |
CYAN | YELLOW, /* 2->GREEN */
|
|
|
663 |
CYAN, /* 3->CYAN */
|
|
|
664 |
MAGENTA | YELLOW, /* 4->RED */
|
|
|
665 |
MAGENTA, /* 5->MAGENTA */
|
|
|
666 |
YELLOW, /* 6->YELLOW */
|
|
|
667 |
0}; /* 7->WHITE */
|
|
|
668 |
|
|
|
669 |
tmp = rgb2cmyk[(*bytein++) & 7];
|
|
|
670 |
|
|
|
671 |
if(tmp & BLACK) cmyk[3] |= i;
|
|
|
672 |
if(tmp & YELLOW) cmyk[2] |= i;
|
|
|
673 |
if(tmp & MAGENTA) cmyk[1] |= i;
|
|
|
674 |
if(tmp & CYAN) cmyk[0] |= i;
|
|
|
675 |
}
|
|
|
676 |
|
|
|
677 |
for(i = 0; i < 4; ++i) {
|
|
|
678 |
if(cmyk[i] != 0) sd->stc.prt_width[buf_i+i] = width+1;
|
|
|
679 |
sd->stc.prt_data[buf_i+i][width] = cmyk[i];
|
|
|
680 |
}
|
|
|
681 |
}
|
|
|
682 |
}
|
|
|
683 |
break;
|
|
|
684 |
case 4: /* split cmyk */
|
|
|
685 |
{
|
|
|
686 |
byte *bytein;
|
|
|
687 |
int width;
|
|
|
688 |
|
|
|
689 |
bytein = col_line;
|
|
|
690 |
|
|
|
691 |
for(width = 0; width < sd->stc.prt_size; ++width) {
|
|
|
692 |
byte i,tmp,cmyk[4];
|
|
|
693 |
|
|
|
694 |
memset(cmyk,0,4);
|
|
|
695 |
|
|
|
696 |
for(i = 128; i; i >>= 1) {
|
|
|
697 |
tmp = (*bytein++) & 15;
|
|
|
698 |
if(tmp & BLACK) cmyk[3] |= i;
|
|
|
699 |
if(tmp & YELLOW) cmyk[2] |= i;
|
|
|
700 |
if(tmp & MAGENTA) cmyk[1] |= i;
|
|
|
701 |
if(tmp & CYAN) cmyk[0] |= i;
|
|
|
702 |
}
|
|
|
703 |
|
|
|
704 |
for(i = 0; i < 4; ++i) {
|
|
|
705 |
if(cmyk[i] != 0) sd->stc.prt_width[buf_i+i] = width+1;
|
|
|
706 |
sd->stc.prt_data[buf_i+i][width] = cmyk[i];
|
|
|
707 |
}
|
|
|
708 |
}
|
|
|
709 |
}
|
|
|
710 |
break;
|
|
|
711 |
default: break;
|
|
|
712 |
}
|
|
|
713 |
}
|
|
|
714 |
} /* Nr. 5 (give me input) */
|
|
|
715 |
|
|
|
716 |
/*
|
|
|
717 |
* Nr. 5 has got enough input, now we should print it
|
|
|
718 |
*/
|
|
|
719 |
if((flags & STCCOMP) == STCDELTA) stc_print_delta(sd,prn_stream);
|
|
|
720 |
else if(npass > 1) stc_print_weave(sd,prn_stream);
|
|
|
721 |
else stc_print_bands(sd,prn_stream);
|
|
|
722 |
|
|
|
723 |
#ifdef STC_SIGNAL
|
|
|
724 |
sigpending(&stc_int_pending);
|
|
|
725 |
if(sigismember(&stc_int_pending,SIGINT)) {
|
|
|
726 |
fputs("\033@[Aborted]\f", prn_stream);
|
|
|
727 |
fflush(prn_stream);
|
|
|
728 |
sigprocmask(SIG_SETMASK,&stc_int_save,NULL);
|
|
|
729 |
break;
|
|
|
730 |
}
|
|
|
731 |
#endif /* STC_SIGNAL */
|
|
|
732 |
|
|
|
733 |
} /* Until all scans are processed */
|
|
|
734 |
|
|
|
735 |
if(sd->stc.flags & STCPRINT) {
|
|
|
736 |
if((flags & STCCOMP) == STCDELTA) fputc(0xe3,prn_stream);
|
|
|
737 |
fwrite(sd->stc.escp_release.data,1,sd->stc.escp_release.size,prn_stream);
|
|
|
738 |
fflush(prn_stream);
|
|
|
739 |
}
|
|
|
740 |
#ifdef STC_SIGNAL
|
|
|
741 |
sigprocmask(SIG_SETMASK,&stc_int_save,NULL);
|
|
|
742 |
#endif /* STC_DIGNAL */
|
|
|
743 |
|
|
|
744 |
}
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
/***
|
|
|
748 |
*** Release the dynamic memory
|
|
|
749 |
***/
|
|
|
750 |
|
|
|
751 |
if(ext_line != NULL)
|
|
|
752 |
gs_free(sd->memory, ext_line,ext_size,1,"stc_print_page/ext_line");
|
|
|
753 |
|
|
|
754 |
if(col_line != NULL)
|
|
|
755 |
gs_free(sd->memory, col_line,prt_pixels,1,"stc_print_page/col_line");
|
|
|
756 |
|
|
|
757 |
if(alg_line != NULL)
|
|
|
758 |
gs_free(sd->memory, alg_line,alg_size,sd->stc.alg_item,
|
|
|
759 |
"stc_print_page/alg_line");
|
|
|
760 |
|
|
|
761 |
if(buf != NULL)
|
|
|
762 |
gs_free(sd->memory, buf,buf_size,sd->stc.alg_item,"stc_print_page/buf");
|
|
|
763 |
|
|
|
764 |
if(sd->stc.prt_width != NULL)
|
|
|
765 |
gs_free(sd->memory, sd->stc.prt_width,sd->stc.prt_buf,sizeof(int),
|
|
|
766 |
"stc_print_page/prt_width");
|
|
|
767 |
|
|
|
768 |
if(sd->stc.prt_data != NULL) {
|
|
|
769 |
int i;
|
|
|
770 |
|
|
|
771 |
for(i = 0; i < sd->stc.prt_buf; ++i) {
|
|
|
772 |
if(sd->stc.prt_data[i] != NULL)
|
|
|
773 |
gs_free(sd->memory, sd->stc.prt_data[i],sd->stc.prt_size,1,
|
|
|
774 |
"stc_print_page/prt");
|
|
|
775 |
}
|
|
|
776 |
|
|
|
777 |
gs_free(sd->memory, sd->stc.prt_data,sd->stc.prt_buf,sizeof(byte *),
|
|
|
778 |
"stc_print_page/prt_data");
|
|
|
779 |
}
|
|
|
780 |
|
|
|
781 |
{
|
|
|
782 |
int i;
|
|
|
783 |
for(i = 0; i < sd->color_info.num_components; ++i) {
|
|
|
784 |
if(sd->stc.seed_row[i] != NULL)
|
|
|
785 |
gs_free(sd->memory, sd->stc.seed_row[i],sd->stc.seed_size,sizeof(int),
|
|
|
786 |
"stc_print_page/seed_row");
|
|
|
787 |
}
|
|
|
788 |
}
|
|
|
789 |
|
|
|
790 |
if(sd->stc.escp_data != NULL)
|
|
|
791 |
gs_free(sd->memory, sd->stc.escp_data,sd->stc.escp_size,1,
|
|
|
792 |
"stc_print_page/escp_data");
|
|
|
793 |
|
|
|
794 |
return OK4GO ? 0 : gs_error_undefined;
|
|
|
795 |
}
|
|
|
796 |
|
|
|
797 |
/*
|
|
|
798 |
* white-check
|
|
|
799 |
*/
|
|
|
800 |
private bool
|
|
|
801 |
stc_iswhite(stcolor_device *sd, int prt_pixels,byte *ext_data)
|
|
|
802 |
{
|
|
|
803 |
long b2do = (prt_pixels*sd->color_info.depth+7)>>3;
|
|
|
804 |
int bcmp = 4 * countof(sd->stc.white_run);
|
|
|
805 |
byte *wht = (byte *) sd->stc.white_run;
|
|
|
806 |
|
|
|
807 |
while(b2do >= bcmp) {
|
|
|
808 |
if(memcmp(ext_data,wht,bcmp)) break;
|
|
|
809 |
ext_data += bcmp;
|
|
|
810 |
b2do -= bcmp;
|
|
|
811 |
}
|
|
|
812 |
|
|
|
813 |
if((b2do > 0) && (b2do < bcmp))
|
|
|
814 |
b2do = memcmp(ext_data,sd->stc.white_end,b2do);
|
|
|
815 |
|
|
|
816 |
return b2do ? false : true;
|
|
|
817 |
}
|
|
|
818 |
|
|
|
819 |
/***
|
|
|
820 |
*** A bunch of routines that convert gslines into algorithms format.
|
|
|
821 |
***/
|
|
|
822 |
private byte *
|
|
|
823 |
stc_any_depth(stcolor_device *sd,byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
824 |
{ /* general conversion */
|
|
|
825 |
|
|
|
826 |
int p,c, niext, nbits;
|
|
|
827 |
gx_color_index ciext,ci,cimsk,cvmsk;
|
|
|
828 |
byte *ap = alg_line;
|
|
|
829 |
|
|
|
830 |
nbits = sd->stc.bits;
|
|
|
831 |
cvmsk = ((gx_color_index) 1<<nbits) - 1;
|
|
|
832 |
|
|
|
833 |
/* it is nonsense to use this algorithm for this cases, but if it claims
|
|
|
834 |
* generality, it should deliver correct results in this cases too */
|
|
|
835 |
if(sd->color_info.depth == (sd->color_info.num_components<<3)) nbits = 8;
|
|
|
836 |
|
|
|
837 |
cimsk = cvmsk;
|
|
|
838 |
for(c = 1; c < sd->color_info.num_components; ++c)
|
|
|
839 |
cimsk = (cimsk<<nbits) | cvmsk;
|
|
|
840 |
|
|
|
841 |
ciext = 0;
|
|
|
842 |
niext = 0;
|
|
|
843 |
|
|
|
844 |
for(p = 0; p < prt_pixels; ++p) { /* over pixels */
|
|
|
845 |
|
|
|
846 |
ci = ciext;
|
|
|
847 |
for(c = sd->color_info.depth-niext; c >= 8; c -= 8)
|
|
|
848 |
ci = (ci<<8) | *ext_data++;
|
|
|
849 |
|
|
|
850 |
if(c > 0) { /* partial byte required */
|
|
|
851 |
|
|
|
852 |
niext = 8 - c;
|
|
|
853 |
ciext = *ext_data++;
|
|
|
854 |
ci = (ci<<c) | (ciext>>niext);
|
|
|
855 |
ciext &= (1L<<niext)-1;
|
|
|
856 |
|
|
|
857 |
} else if(c < 0) { /* some bits left in ciext */
|
|
|
858 |
|
|
|
859 |
niext = -c;
|
|
|
860 |
ciext &= (1L<<niext)-1;
|
|
|
861 |
ci = ci>>niext;
|
|
|
862 |
|
|
|
863 |
} else { /* entire ciext used */
|
|
|
864 |
|
|
|
865 |
niext = 0;
|
|
|
866 |
ciext = 0;
|
|
|
867 |
|
|
|
868 |
} /* ciext-adjust */
|
|
|
869 |
|
|
|
870 |
ci &= cimsk;
|
|
|
871 |
|
|
|
872 |
# define stc_storeapc(T) \
|
|
|
873 |
((T *)ap)[c] = ((T *)(sd->stc.vals[c]))[ci & cvmsk];
|
|
|
874 |
|
|
|
875 |
for(c = sd->color_info.num_components; c--;) { /* comp */
|
|
|
876 |
STC_TYPESWITCH(sd->stc.dither,stc_storeapc)
|
|
|
877 |
ci >>= nbits;
|
|
|
878 |
} /* comp */
|
|
|
879 |
|
|
|
880 |
# undef stc_storeapc
|
|
|
881 |
|
|
|
882 |
ap += sd->color_info.num_components * sd->stc.alg_item;
|
|
|
883 |
|
|
|
884 |
} /* over pixels */
|
|
|
885 |
|
|
|
886 |
return alg_line;
|
|
|
887 |
} /* general conversion */
|
|
|
888 |
|
|
|
889 |
/*
|
|
|
890 |
* rgb-data with depth=24, can use a faster algorithm
|
|
|
891 |
*/
|
|
|
892 |
private byte *
|
|
|
893 |
stc_rgb24_long(stcolor_device *sd,byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
894 |
{ /* convert 3 bytes into appropriate long-Values */
|
|
|
895 |
register int p;
|
|
|
896 |
register long *out = (long *) alg_line;
|
|
|
897 |
register long *rvals = (long *) (sd->stc.vals[0]);
|
|
|
898 |
register long *gvals = (long *) (sd->stc.vals[1]);
|
|
|
899 |
register long *bvals = (long *) (sd->stc.vals[2]);
|
|
|
900 |
|
|
|
901 |
for(p = prt_pixels; p; --p) {
|
|
|
902 |
*out++ = rvals[*ext_data++];
|
|
|
903 |
*out++ = gvals[*ext_data++];
|
|
|
904 |
*out++ = bvals[*ext_data++];
|
|
|
905 |
}
|
|
|
906 |
|
|
|
907 |
return alg_line;
|
|
|
908 |
} /* convert 3 bytes into appropriate long-Values */
|
|
|
909 |
|
|
|
910 |
/*
|
|
|
911 |
* cmyk-data with depth=32, can use a faster algorithm
|
|
|
912 |
*/
|
|
|
913 |
private byte *
|
|
|
914 |
stc_cmyk32_long(stcolor_device *sd,byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
915 |
{ /* convert 4 bytes into appropriate long-Values */
|
|
|
916 |
register int p;
|
|
|
917 |
register long *out = (long *) alg_line;
|
|
|
918 |
register long *cvals = (long *) (sd->stc.vals[0]);
|
|
|
919 |
register long *mvals = (long *) (sd->stc.vals[1]);
|
|
|
920 |
register long *yvals = (long *) (sd->stc.vals[2]);
|
|
|
921 |
register long *kvals = (long *) (sd->stc.vals[3]);
|
|
|
922 |
|
|
|
923 |
for(p = prt_pixels; p; --p) {
|
|
|
924 |
*out++ = cvals[*ext_data++];
|
|
|
925 |
*out++ = mvals[*ext_data++];
|
|
|
926 |
*out++ = yvals[*ext_data++];
|
|
|
927 |
*out++ = kvals[*ext_data++];
|
|
|
928 |
}
|
|
|
929 |
|
|
|
930 |
return alg_line;
|
|
|
931 |
} /* convert 4 bytes into appropriate long-Values */
|
|
|
932 |
|
|
|
933 |
/*
|
|
|
934 |
* handle indirect encoded cmyk-data
|
|
|
935 |
*/
|
|
|
936 |
#define STC_CMYK10_ANY(T)\
|
|
|
937 |
\
|
|
|
938 |
register int p = prt_pixels; \
|
|
|
939 |
register stc_pixel ci,k,n,mode; \
|
|
|
940 |
register stc_pixel *in = (stc_pixel *) ext_data; \
|
|
|
941 |
register T *out = (T *) alg_line; \
|
|
|
942 |
register T *cv = (T *) sd->stc.vals[0]; \
|
|
|
943 |
register T *mv = (T *) sd->stc.vals[1]; \
|
|
|
944 |
register T *yv = (T *) sd->stc.vals[2]; \
|
|
|
945 |
register T *kv = (T *) sd->stc.vals[3]; \
|
|
|
946 |
\
|
|
|
947 |
while(p--) { \
|
|
|
948 |
ci = *in++; \
|
|
|
949 |
mode = ci & 3; \
|
|
|
950 |
k = (ci>>2) & 0x3ff; \
|
|
|
951 |
if(mode == 3) { \
|
|
|
952 |
*out++ = cv[0]; \
|
|
|
953 |
*out++ = mv[0]; \
|
|
|
954 |
*out++ = yv[0]; \
|
|
|
955 |
*out++ = kv[k]; \
|
|
|
956 |
} else { \
|
|
|
957 |
out[3] = kv[k]; \
|
|
|
958 |
n = (ci>>12) & 0x3ff; \
|
|
|
959 |
if(mode == 2) { out[2] = yv[k]; } \
|
|
|
960 |
else { out[2] = yv[n]; n = (ci>>22) & 0x3ff; } \
|
|
|
961 |
if(mode == 1) { out[1] = mv[k]; } \
|
|
|
962 |
else { out[1] = mv[n]; n = (ci>>22) & 0x3ff; } \
|
|
|
963 |
if(mode == 0) out[0] = cv[k]; \
|
|
|
964 |
else out[0] = cv[n]; \
|
|
|
965 |
out += 4; \
|
|
|
966 |
} \
|
|
|
967 |
} \
|
|
|
968 |
\
|
|
|
969 |
return alg_line;
|
|
|
970 |
|
|
|
971 |
private byte *
|
|
|
972 |
stc_cmyk10_byte(stcolor_device *sd,
|
|
|
973 |
byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
974 |
{
|
|
|
975 |
STC_CMYK10_ANY(byte)
|
|
|
976 |
}
|
|
|
977 |
private byte *
|
|
|
978 |
stc_cmyk10_long(stcolor_device *sd,
|
|
|
979 |
byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
980 |
{
|
|
|
981 |
STC_CMYK10_ANY(long)
|
|
|
982 |
}
|
|
|
983 |
private byte *
|
|
|
984 |
stc_cmyk10_float(stcolor_device *sd,
|
|
|
985 |
byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
986 |
{
|
|
|
987 |
STC_CMYK10_ANY(float)
|
|
|
988 |
}
|
|
|
989 |
|
|
|
990 |
#undef STC_CMYK10_ANY
|
|
|
991 |
|
|
|
992 |
#define STC_CMYK10_DANY(T)\
|
|
|
993 |
\
|
|
|
994 |
register int p = prt_pixels; \
|
|
|
995 |
register stc_pixel ci,k,n,mode; \
|
|
|
996 |
register stc_pixel *in = (stc_pixel *) ext_data; \
|
|
|
997 |
register T *out = (T *) alg_line; \
|
|
|
998 |
\
|
|
|
999 |
while(p--) { \
|
|
|
1000 |
ci = *in++; \
|
|
|
1001 |
mode = ci & 3; \
|
|
|
1002 |
k = (ci>>2) & 0x3ff; \
|
|
|
1003 |
if(mode == 3) { \
|
|
|
1004 |
*out++ = 0; \
|
|
|
1005 |
*out++ = 0; \
|
|
|
1006 |
*out++ = 0; \
|
|
|
1007 |
*out++ = k; \
|
|
|
1008 |
} else { \
|
|
|
1009 |
out[3] = k; \
|
|
|
1010 |
n = (ci>>12) & 0x3ff; \
|
|
|
1011 |
if(mode == 2) { out[2] = k; } \
|
|
|
1012 |
else { out[2] = n; n = (ci>>22) & 0x3ff; } \
|
|
|
1013 |
if(mode == 1) { out[1] = k; } \
|
|
|
1014 |
else { out[1] = n; n = (ci>>22) & 0x3ff; } \
|
|
|
1015 |
if(mode == 0) out[0] = k; \
|
|
|
1016 |
else out[0] = n; \
|
|
|
1017 |
out += 4; \
|
|
|
1018 |
} \
|
|
|
1019 |
} \
|
|
|
1020 |
\
|
|
|
1021 |
return alg_line;
|
|
|
1022 |
|
|
|
1023 |
|
|
|
1024 |
private byte *
|
|
|
1025 |
stc_cmyk10_dbyte(stcolor_device *sd,
|
|
|
1026 |
byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
1027 |
{
|
|
|
1028 |
STC_CMYK10_DANY(byte)
|
|
|
1029 |
}
|
|
|
1030 |
private byte *
|
|
|
1031 |
stc_cmyk10_dlong(stcolor_device *sd,
|
|
|
1032 |
byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
1033 |
{
|
|
|
1034 |
STC_CMYK10_DANY(long)
|
|
|
1035 |
}
|
|
|
1036 |
|
|
|
1037 |
#undef STC_CMYK10_DANY
|
|
|
1038 |
|
|
|
1039 |
/*
|
|
|
1040 |
* if the algorithm uses bytes & bytes are in ext_data, use them
|
|
|
1041 |
*/
|
|
|
1042 |
/*ARGSUSED*/
|
|
|
1043 |
private byte *
|
|
|
1044 |
stc_any_direct(stcolor_device *sd,byte *ext_data,int prt_pixels,byte *alg_line)
|
|
|
1045 |
{ /* return ext_data */
|
|
|
1046 |
return ext_data;
|
|
|
1047 |
} /* return ext_data */
|
|
|
1048 |
|
|
|
1049 |
/* ----------------------------------------------------------------------- */
|
|
|
1050 |
/* stc_rle: epson ESC/P2 RLE-Encoding
|
|
|
1051 |
*/
|
|
|
1052 |
private int
|
|
|
1053 |
stc_rle(byte *out,const byte *in,int width)
|
|
|
1054 |
{
|
|
|
1055 |
|
|
|
1056 |
int used = 0;
|
|
|
1057 |
int crun,cdata;
|
|
|
1058 |
byte run;
|
|
|
1059 |
|
|
|
1060 |
if(in != NULL) { /* Data present */
|
|
|
1061 |
|
|
|
1062 |
crun = 1;
|
|
|
1063 |
|
|
|
1064 |
while(width > 0) { /* something to compress */
|
|
|
1065 |
|
|
|
1066 |
run = in[0];
|
|
|
1067 |
|
|
|
1068 |
while((width > crun) && (run == in[crun])) if(++crun == 129) break;
|
|
|
1069 |
|
|
|
1070 |
if((crun > 2) || (crun == width)) { /* use this run */
|
|
|
1071 |
|
|
|
1072 |
*out++ = (257 - crun) & 0xff; *out++ = run; used += 2;
|
|
|
1073 |
|
|
|
1074 |
width -= crun; in += crun;
|
|
|
1075 |
crun = 1;
|
|
|
1076 |
|
|
|
1077 |
} else { /* ignore this run */
|
|
|
1078 |
|
|
|
1079 |
for(cdata = crun; (width > cdata) && (crun < 4);) {
|
|
|
1080 |
if(run == in[cdata]) crun += 1;
|
|
|
1081 |
else run = in[cdata], crun = 1;
|
|
|
1082 |
if(++cdata == 128) break;
|
|
|
1083 |
}
|
|
|
1084 |
|
|
|
1085 |
if(crun < 3) crun = 0; /* ignore trailing run */
|
|
|
1086 |
else cdata -= crun;
|
|
|
1087 |
|
|
|
1088 |
*out++ = cdata-1; used++;
|
|
|
1089 |
memcpy(out,in,cdata); used += cdata; out += cdata;
|
|
|
1090 |
|
|
|
1091 |
width -= cdata; in += cdata;
|
|
|
1092 |
|
|
|
1093 |
} /* use/ignore run */
|
|
|
1094 |
|
|
|
1095 |
} /* something to compress */
|
|
|
1096 |
|
|
|
1097 |
} else { /* Empty scans to fill bands */
|
|
|
1098 |
|
|
|
1099 |
while(width > 0) {
|
|
|
1100 |
crun = width > 129 ? 129 : width;
|
|
|
1101 |
width -= crun;
|
|
|
1102 |
*out++ = (257 - crun) & 0xff;
|
|
|
1103 |
*out++ = 0;
|
|
|
1104 |
used += 2;
|
|
|
1105 |
}
|
|
|
1106 |
} /* Data present or empty */
|
|
|
1107 |
return used;
|
|
|
1108 |
}
|
|
|
1109 |
|
|
|
1110 |
|
|
|
1111 |
/*
|
|
|
1112 |
* Horizontal & vertical positioning, color-selection, "ESC ."
|
|
|
1113 |
*/
|
|
|
1114 |
private int
|
|
|
1115 |
stc_print_escpcmd(stcolor_device *sd, FILE *prn_stream,
|
|
|
1116 |
int escp_used, int color,int m,int wbytes)
|
|
|
1117 |
{
|
|
|
1118 |
|
|
|
1119 |
int dy = sd->stc.stc_y - sd->stc.prt_y; /* number of units to skip */
|
|
|
1120 |
int nlf;
|
|
|
1121 |
|
|
|
1122 |
/* ESC-R color codes, used only here */
|
|
|
1123 |
static const byte stc_colors[] = { 0x02, 0x01, 0x04, 0x00 }; /* CMYK */
|
|
|
1124 |
|
|
|
1125 |
/*
|
|
|
1126 |
* initialize the printer, if necessary
|
|
|
1127 |
*/
|
|
|
1128 |
if(0 == (sd->stc.flags & STCPRINT)) {
|
|
|
1129 |
|
|
|
1130 |
fwrite(sd->stc.escp_init.data,1,sd->stc.escp_init.size,prn_stream);
|
|
|
1131 |
|
|
|
1132 |
if(0 < sd->stc.escp_lf) { /* Adjust Linefeed */
|
|
|
1133 |
fputc('\033', prn_stream);
|
|
|
1134 |
fputc('+', prn_stream);
|
|
|
1135 |
fputc(((sd->stc.escp_m*sd->stc.escp_u) / 10),prn_stream);
|
|
|
1136 |
} /* Adjust Linefeed */
|
|
|
1137 |
sd->stc.flags |= STCPRINT;
|
|
|
1138 |
}
|
|
|
1139 |
|
|
|
1140 |
sd->stc.escp_data[escp_used++] = '\r'; /* leftmost position */
|
|
|
1141 |
|
|
|
1142 |
if(dy) { /* position the printer */
|
|
|
1143 |
if(( sd->stc.escp_lf > 0) && /* Linefeed allowed */
|
|
|
1144 |
((dy % sd->stc.escp_lf) == 0)) /* and possible */
|
|
|
1145 |
nlf = dy / sd->stc.escp_lf;
|
|
|
1146 |
else nlf = 7;
|
|
|
1147 |
|
|
|
1148 |
if(nlf > 6) {
|
|
|
1149 |
sd->stc.escp_data[escp_used++] = '\033';
|
|
|
1150 |
sd->stc.escp_data[escp_used++] = '(';
|
|
|
1151 |
sd->stc.escp_data[escp_used++] = 'V';
|
|
|
1152 |
sd->stc.escp_data[escp_used++] = '\002';
|
|
|
1153 |
sd->stc.escp_data[escp_used++] = '\000';
|
|
|
1154 |
sd->stc.escp_data[escp_used++] = sd->stc.stc_y & 0xff;
|
|
|
1155 |
sd->stc.escp_data[escp_used++] = (sd->stc.stc_y >> 8) & 0xff;
|
|
|
1156 |
} else {
|
|
|
1157 |
while(nlf--) sd->stc.escp_data[escp_used++] = '\n';
|
|
|
1158 |
}
|
|
|
1159 |
sd->stc.prt_y = sd->stc.stc_y;
|
|
|
1160 |
} /* position the printer */
|
|
|
1161 |
|
|
|
1162 |
if((sd->color_info.num_components > 1) &&
|
|
|
1163 |
(sd->stc.escp_c != stc_colors[color])) { /* select color */
|
|
|
1164 |
sd->stc.escp_data[escp_used++] = '\033';
|
|
|
1165 |
sd->stc.escp_data[escp_used++] = 'r';
|
|
|
1166 |
sd->stc.escp_c = stc_colors[color];
|
|
|
1167 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_c;
|
|
|
1168 |
} /* select color */
|
|
|
1169 |
|
|
|
1170 |
/*
|
|
|
1171 |
* Build the command used
|
|
|
1172 |
*/
|
|
|
1173 |
sd->stc.escp_data[escp_used++] = '\033';
|
|
|
1174 |
sd->stc.escp_data[escp_used++] = '.';
|
|
|
1175 |
sd->stc.escp_data[escp_used++] =
|
|
|
1176 |
(sd->stc.flags & STCCOMP) == STCPLAIN ? 0 : 1;
|
|
|
1177 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_v;
|
|
|
1178 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_h;
|
|
|
1179 |
sd->stc.escp_data[escp_used++] = m;
|
|
|
1180 |
sd->stc.escp_data[escp_used++] = (wbytes<<3) & 0xff; /* width in Pixels */
|
|
|
1181 |
sd->stc.escp_data[escp_used++] = (wbytes>>5) & 0xff;
|
|
|
1182 |
|
|
|
1183 |
return escp_used;
|
|
|
1184 |
}
|
|
|
1185 |
|
|
|
1186 |
/*
|
|
|
1187 |
* compute width of a group of scanlines
|
|
|
1188 |
*/
|
|
|
1189 |
private int
|
|
|
1190 |
stc_bandwidth(stcolor_device *sd,int color,int m,int npass)
|
|
|
1191 |
{
|
|
|
1192 |
int ncolor = sd->color_info.num_components == 1 ? 1 : 4;
|
|
|
1193 |
int buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor + color);
|
|
|
1194 |
int w = 0;
|
|
|
1195 |
|
|
|
1196 |
while(m-- > 0) { /* check width */
|
|
|
1197 |
if(sd->stc.prt_width[buf_a] > w) w = sd->stc.prt_width[buf_a];
|
|
|
1198 |
buf_a = (sd->stc.prt_buf-1) & (buf_a + ncolor * npass);
|
|
|
1199 |
} /* check width */
|
|
|
1200 |
|
|
|
1201 |
return w;
|
|
|
1202 |
}
|
|
|
1203 |
|
|
|
1204 |
/*
|
|
|
1205 |
* Multi-Pass Printing-Routine
|
|
|
1206 |
*/
|
|
|
1207 |
private void
|
|
|
1208 |
stc_print_weave(stcolor_device *sd, FILE *prn_stream)
|
|
|
1209 |
{
|
|
|
1210 |
|
|
|
1211 |
int escp_used,nprint,nspace,color,buf_a,iprint,w;
|
|
|
1212 |
|
|
|
1213 |
int npass = sd->stc.escp_v / sd->stc.escp_u;
|
|
|
1214 |
int ncolor = sd->color_info.num_components == 1 ? 1 : 4;
|
|
|
1215 |
|
|
|
1216 |
|
|
|
1217 |
while(sd->stc.stc_y < sd->stc.prt_scans) {
|
|
|
1218 |
|
|
|
1219 |
/*
|
|
|
1220 |
* compute spacing & used heads (seems to work with odd escp_m)
|
|
|
1221 |
*/
|
|
|
1222 |
if(sd->stc.stc_y >= sd->stc.escp_m) { /* in normal mode */
|
|
|
1223 |
nprint = sd->stc.escp_m;
|
|
|
1224 |
nspace = sd->stc.escp_m;
|
|
|
1225 |
} else if((sd->stc.stc_y) < npass) { /* initialisation */
|
|
|
1226 |
nprint = sd->stc.escp_m - sd->stc.stc_y * ((sd->stc.escp_m+1)/npass);
|
|
|
1227 |
nspace = 1;
|
|
|
1228 |
} else { /* switch to normal */
|
|
|
1229 |
nprint = sd->stc.escp_m - sd->stc.stc_y * ((sd->stc.escp_m+1)/npass);
|
|
|
1230 |
nspace = sd->stc.escp_m - sd->stc.stc_y;
|
|
|
1231 |
}
|
|
|
1232 |
iprint = sd->stc.stc_y + npass * nprint;
|
|
|
1233 |
if(sd->stc.buf_y < iprint) break;
|
|
|
1234 |
|
|
|
1235 |
escp_used = 0;
|
|
|
1236 |
for(color = 0; color < ncolor; ++color) { /* print the colors */
|
|
|
1237 |
|
|
|
1238 |
if(0 == (w = stc_bandwidth(sd,color,nprint,npass))) continue;
|
|
|
1239 |
|
|
|
1240 |
escp_used = stc_print_escpcmd(sd,prn_stream,
|
|
|
1241 |
escp_used,color,sd->stc.escp_m,w);
|
|
|
1242 |
|
|
|
1243 |
buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor + color);
|
|
|
1244 |
for(iprint = 0; iprint < nprint; ++iprint) { /* send data */
|
|
|
1245 |
|
|
|
1246 |
if((sd->stc.flags & STCCOMP) == STCPLAIN) {
|
|
|
1247 |
memcpy(sd->stc.escp_data+escp_used,sd->stc.prt_data[buf_a],w);
|
|
|
1248 |
escp_used += w;
|
|
|
1249 |
} else {
|
|
|
1250 |
escp_used += stc_rle(sd->stc.escp_data+escp_used,
|
|
|
1251 |
sd->stc.prt_data[buf_a],w);
|
|
|
1252 |
}
|
|
|
1253 |
|
|
|
1254 |
fwrite(sd->stc.escp_data,1,escp_used,prn_stream);
|
|
|
1255 |
escp_used = 0;
|
|
|
1256 |
|
|
|
1257 |
buf_a = (sd->stc.prt_buf-1) & (buf_a + ncolor * npass);
|
|
|
1258 |
|
|
|
1259 |
} /* send data */
|
|
|
1260 |
|
|
|
1261 |
while(iprint++ < sd->stc.escp_m) { /* add empty rows */
|
|
|
1262 |
|
|
|
1263 |
if((sd->stc.flags & STCCOMP) == STCPLAIN) {
|
|
|
1264 |
memset(sd->stc.escp_data+escp_used,0,w);
|
|
|
1265 |
escp_used += w;
|
|
|
1266 |
} else {
|
|
|
1267 |
escp_used += stc_rle(sd->stc.escp_data+escp_used,NULL,w);
|
|
|
1268 |
}
|
|
|
1269 |
|
|
|
1270 |
fwrite(sd->stc.escp_data,1,escp_used,prn_stream);
|
|
|
1271 |
escp_used = 0;
|
|
|
1272 |
} /* add empty rows */
|
|
|
1273 |
} /* print the colors */
|
|
|
1274 |
|
|
|
1275 |
sd->stc.stc_y += nspace;
|
|
|
1276 |
}
|
|
|
1277 |
}
|
|
|
1278 |
|
|
|
1279 |
/*
|
|
|
1280 |
* Single-Pass printing-Routine
|
|
|
1281 |
*/
|
|
|
1282 |
private void
|
|
|
1283 |
stc_print_bands(stcolor_device *sd, FILE *prn_stream)
|
|
|
1284 |
{
|
|
|
1285 |
|
|
|
1286 |
int escp_used,color,buf_a,iprint,w,m;
|
|
|
1287 |
|
|
|
1288 |
int ncolor = sd->color_info.num_components == 1 ? 1 : 4;
|
|
|
1289 |
|
|
|
1290 |
while(sd->stc.stc_y < sd->stc.prt_scans) {
|
|
|
1291 |
|
|
|
1292 |
/*
|
|
|
1293 |
* find the begin of the band
|
|
|
1294 |
*/
|
|
|
1295 |
for(w = 0; sd->stc.stc_y < sd->stc.buf_y; ++sd->stc.stc_y) {
|
|
|
1296 |
buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor);
|
|
|
1297 |
for(color = 0; color < ncolor; ++color)
|
|
|
1298 |
if(sd->stc.prt_width[buf_a+color] > w)
|
|
|
1299 |
w = sd->stc.prt_width[buf_a+color];
|
|
|
1300 |
if(w != 0) break;
|
|
|
1301 |
}
|
|
|
1302 |
if(w == 0) break;
|
|
|
1303 |
/*
|
|
|
1304 |
* adjust the band-height
|
|
|
1305 |
*/
|
|
|
1306 |
w = sd->stc.prt_scans - sd->stc.stc_y;
|
|
|
1307 |
if((w < sd->stc.escp_m) && (sd->stc.escp_v != 40)) {
|
|
|
1308 |
if(w < 8) m = 1;
|
|
|
1309 |
else if(w < 24) m = 8;
|
|
|
1310 |
else m = 24;
|
|
|
1311 |
} else {
|
|
|
1312 |
m = sd->stc.escp_m;
|
|
|
1313 |
}
|
|
|
1314 |
|
|
|
1315 |
if(sd->stc.buf_y < (sd->stc.stc_y+m)) break;
|
|
|
1316 |
|
|
|
1317 |
escp_used = 0;
|
|
|
1318 |
for(color = 0; color < ncolor; ++color) { /* print the colors */
|
|
|
1319 |
|
|
|
1320 |
if(0 == (w = stc_bandwidth(sd,color,m,1))) continue; /* shortcut */
|
|
|
1321 |
|
|
|
1322 |
escp_used = stc_print_escpcmd(sd,prn_stream,escp_used,color,m,w);
|
|
|
1323 |
|
|
|
1324 |
buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor + color);
|
|
|
1325 |
for(iprint = 0; iprint < m; ++iprint) { /* send data */
|
|
|
1326 |
|
|
|
1327 |
if((sd->stc.flags & STCCOMP) == STCPLAIN) {
|
|
|
1328 |
memcpy(sd->stc.escp_data+escp_used,sd->stc.prt_data[buf_a],w);
|
|
|
1329 |
escp_used += w;
|
|
|
1330 |
} else {
|
|
|
1331 |
escp_used += stc_rle(sd->stc.escp_data+escp_used,
|
|
|
1332 |
sd->stc.prt_data[buf_a],w);
|
|
|
1333 |
}
|
|
|
1334 |
|
|
|
1335 |
fwrite(sd->stc.escp_data,1,escp_used,prn_stream);
|
|
|
1336 |
escp_used = 0;
|
|
|
1337 |
|
|
|
1338 |
buf_a = (sd->stc.prt_buf-1) & (buf_a + ncolor);
|
|
|
1339 |
|
|
|
1340 |
} /* send data */
|
|
|
1341 |
|
|
|
1342 |
} /* print the colors */
|
|
|
1343 |
|
|
|
1344 |
sd->stc.stc_y += m;
|
|
|
1345 |
}
|
|
|
1346 |
}
|
|
|
1347 |
/* ----------------------------------------------------------------------- */
|
|
|
1348 |
|
|
|
1349 |
private int
|
|
|
1350 |
stc_deltarow(byte *out,const byte *in,int width,byte *seed)
|
|
|
1351 |
{
|
|
|
1352 |
|
|
|
1353 |
int istop,nmove,ndata,i,j;
|
|
|
1354 |
int *wseed = (int *) seed;
|
|
|
1355 |
int used = 0;
|
|
|
1356 |
|
|
|
1357 |
seed += sizeof(int);
|
|
|
1358 |
|
|
|
1359 |
if((in != NULL) && (width > 0)) { /* Data present */
|
|
|
1360 |
|
|
|
1361 |
istop = width < wseed[0] ? wseed[0] : width;
|
|
|
1362 |
|
|
|
1363 |
i = 0;
|
|
|
1364 |
while(i < istop) {
|
|
|
1365 |
|
|
|
1366 |
for(j = i; j < istop; ++j) if(in[j] != seed[j]) break;
|
|
|
1367 |
|
|
|
1368 |
nmove = j - i;
|
|
|
1369 |
|
|
|
1370 |
if(nmove > 0) { /* issue a move */
|
|
|
1371 |
i = j;
|
|
|
1372 |
if(i == istop) break;
|
|
|
1373 |
|
|
|
1374 |
if( nmove < 8) {
|
|
|
1375 |
out[used++] = 0x40 | nmove;
|
|
|
1376 |
} else if(nmove < 128) {
|
|
|
1377 |
out[used++] = 0x51;
|
|
|
1378 |
out[used++] = nmove;
|
|
|
1379 |
} else {
|
|
|
1380 |
out[used++] = 0x52;
|
|
|
1381 |
out[used++] = 0xff & nmove;
|
|
|
1382 |
out[used++] = 0xff & (nmove>>8);
|
|
|
1383 |
}
|
|
|
1384 |
} /* issue a move */
|
|
|
1385 |
|
|
|
1386 |
/*
|
|
|
1387 |
* find the end of this run
|
|
|
1388 |
*/
|
|
|
1389 |
nmove = 0;
|
|
|
1390 |
for(j = i+1; (j < istop) && ((nmove < 4)); ++j) {
|
|
|
1391 |
if(in[j] == seed[j]) nmove += 1;
|
|
|
1392 |
else nmove = 0;
|
|
|
1393 |
}
|
|
|
1394 |
|
|
|
1395 |
ndata = j-i-nmove;
|
|
|
1396 |
|
|
|
1397 |
nmove = stc_rle(out+used+3,in+i,ndata);
|
|
|
1398 |
if(nmove < 16) {
|
|
|
1399 |
out[used++] = 0x20 | nmove;
|
|
|
1400 |
for(j = 0; j < nmove; ++j) out[used+j] = out[used+j+2];
|
|
|
1401 |
} else if(nmove < 256) {
|
|
|
1402 |
out[used++] = 0x31;
|
|
|
1403 |
out[used++] = nmove;
|
|
|
1404 |
for(j = 0; j < nmove; ++j) out[used+j] = out[used+j+1];
|
|
|
1405 |
} else {
|
|
|
1406 |
out[used++] = 0x32;
|
|
|
1407 |
out[used++] = 0xff & nmove;
|
|
|
1408 |
out[used++] = 0xff & (nmove>>8);
|
|
|
1409 |
}
|
|
|
1410 |
used += nmove;
|
|
|
1411 |
i += ndata;
|
|
|
1412 |
}
|
|
|
1413 |
|
|
|
1414 |
memcpy(seed,in,istop);
|
|
|
1415 |
wseed[0] = width;
|
|
|
1416 |
|
|
|
1417 |
} else if(wseed[0] > 0) { /* blank line, but seed has data */
|
|
|
1418 |
|
|
|
1419 |
out[used++] = 0xe1; /* clear row */
|
|
|
1420 |
memset(seed,0,wseed[0]);
|
|
|
1421 |
wseed[0] = 0;
|
|
|
1422 |
|
|
|
1423 |
}
|
|
|
1424 |
|
|
|
1425 |
return used;
|
|
|
1426 |
}
|
|
|
1427 |
|
|
|
1428 |
/*
|
|
|
1429 |
* Slightly different single-pass printing
|
|
|
1430 |
*/
|
|
|
1431 |
private void
|
|
|
1432 |
stc_print_delta(stcolor_device *sd, FILE *prn_stream)
|
|
|
1433 |
{
|
|
|
1434 |
|
|
|
1435 |
int color,buf_a,w;
|
|
|
1436 |
int escp_used = 0;
|
|
|
1437 |
int ncolor = sd->color_info.num_components == 1 ? 1 : 4;
|
|
|
1438 |
|
|
|
1439 |
while(sd->stc.stc_y < sd->stc.prt_scans) {
|
|
|
1440 |
|
|
|
1441 |
/*
|
|
|
1442 |
* find the begin of the band
|
|
|
1443 |
*/
|
|
|
1444 |
for(w = 0; sd->stc.stc_y < sd->stc.buf_y; ++sd->stc.stc_y) {
|
|
|
1445 |
buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor);
|
|
|
1446 |
for(color = 0; color < ncolor; ++color)
|
|
|
1447 |
if(sd->stc.prt_width[buf_a+color] > w)
|
|
|
1448 |
w = sd->stc.prt_width[buf_a+color];
|
|
|
1449 |
if(w != 0) break;
|
|
|
1450 |
}
|
|
|
1451 |
|
|
|
1452 |
if(sd->stc.buf_y == sd->stc.stc_y) break;
|
|
|
1453 |
|
|
|
1454 |
escp_used = 0;
|
|
|
1455 |
|
|
|
1456 |
/*
|
|
|
1457 |
* Send Initialization & ESC . 3 once
|
|
|
1458 |
*/
|
|
|
1459 |
if(0 == (sd->stc.flags & STCPRINT)) {
|
|
|
1460 |
|
|
|
1461 |
sd->stc.flags |= STCPRINT;
|
|
|
1462 |
|
|
|
1463 |
fwrite(sd->stc.escp_init.data,1,sd->stc.escp_init.size,prn_stream);
|
|
|
1464 |
|
|
|
1465 |
sd->stc.escp_data[escp_used++] = '\033';
|
|
|
1466 |
sd->stc.escp_data[escp_used++] = '.';
|
|
|
1467 |
sd->stc.escp_data[escp_used++] = 3;
|
|
|
1468 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_v;
|
|
|
1469 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_h;
|
|
|
1470 |
sd->stc.escp_data[escp_used++] = sd->stc.escp_m;
|
|
|
1471 |
sd->stc.escp_data[escp_used++] = 0;
|
|
|
1472 |
sd->stc.escp_data[escp_used++] = 0;
|
|
|
1473 |
sd->stc.escp_data[escp_used++] = 0xe4; /* MOVXBYTE */
|
|
|
1474 |
}
|
|
|
1475 |
|
|
|
1476 |
if(sd->stc.stc_y != sd->stc.prt_y) { /* really position the printer */
|
|
|
1477 |
w = sd->stc.stc_y - sd->stc.prt_y;
|
|
|
1478 |
if( w < 16) {
|
|
|
1479 |
sd->stc.escp_data[escp_used++] = 0x60 | w;
|
|
|
1480 |
} else if(w < 256) {
|
|
|
1481 |
sd->stc.escp_data[escp_used++] = 0x71;
|
|
|
1482 |
sd->stc.escp_data[escp_used++] = w;
|
|
|
1483 |
} else {
|
|
|
1484 |
sd->stc.escp_data[escp_used++] = 0x72;
|
|
|
1485 |
sd->stc.escp_data[escp_used++] = 0xff & w;
|
|
|
1486 |
sd->stc.escp_data[escp_used++] = 0xff & (w>>8);
|
|
|
1487 |
}
|
|
|
1488 |
sd->stc.prt_y = sd->stc.stc_y;
|
|
|
1489 |
} /* really position the printer */
|
|
|
1490 |
|
|
|
1491 |
for(color = 0; color < ncolor; ++color) { /* print the colors */
|
|
|
1492 |
|
|
|
1493 |
/* Color-Selection */
|
|
|
1494 |
if(color == (ncolor-1)) {
|
|
|
1495 |
sd->stc.escp_data[escp_used++] = 0x80; /* Black */
|
|
|
1496 |
} else {
|
|
|
1497 |
switch(color) {
|
|
|
1498 |
case 1: sd->stc.escp_data[escp_used++] = 0x81; break; /* M */
|
|
|
1499 |
case 2: sd->stc.escp_data[escp_used++] = 0x84; break; /* Y */
|
|
|
1500 |
default: sd->stc.escp_data[escp_used++] = 0x82; break; /* C */
|
|
|
1501 |
}
|
|
|
1502 |
}
|
|
|
1503 |
|
|
|
1504 |
/* Data-Transfer */
|
|
|
1505 |
buf_a = (sd->stc.prt_buf-1) & (sd->stc.stc_y * ncolor + color);
|
|
|
1506 |
|
|
|
1507 |
w = stc_deltarow(sd->stc.escp_data+escp_used,
|
|
|
1508 |
sd->stc.prt_data[buf_a],sd->stc.prt_width[buf_a],
|
|
|
1509 |
sd->stc.seed_row[color]);
|
|
|
1510 |
|
|
|
1511 |
if(w == 0) escp_used -= 1;
|
|
|
1512 |
else escp_used += w;
|
|
|
1513 |
|
|
|
1514 |
if(escp_used > 0) fwrite(sd->stc.escp_data,1,escp_used,prn_stream);
|
|
|
1515 |
escp_used = 0;
|
|
|
1516 |
|
|
|
1517 |
} /* print the colors */
|
|
|
1518 |
|
|
|
1519 |
sd->stc.stc_y += 1;
|
|
|
1520 |
|
|
|
1521 |
}
|
|
|
1522 |
|
|
|
1523 |
}
|
|
|
1524 |
|
|
|
1525 |
/* ----------------------------------------------------------------------- */
|
|
|
1526 |
|
|
|
1527 |
/***
|
|
|
1528 |
*** Free-Data: release the specific-Arrays
|
|
|
1529 |
***/
|
|
|
1530 |
private void
|
|
|
1531 |
stc_freedata(gs_memory_t *mem, stc_t *stc)
|
|
|
1532 |
{
|
|
|
1533 |
int i,j;
|
|
|
1534 |
|
|
|
1535 |
for(i = 0; i < 4; ++i) {
|
|
|
1536 |
if(stc->code[i] != NULL) {
|
|
|
1537 |
|
|
|
1538 |
for(j = 0; j < i; ++j) if(stc->code[i] == stc->code[j]) break;
|
|
|
1539 |
|
|
|
1540 |
if(i == j) gs_free(mem, stc->code[i],1<<stc->bits,sizeof(gx_color_value),
|
|
|
1541 |
"stcolor/code");
|
|
|
1542 |
}
|
|
|
1543 |
|
|
|
1544 |
if(stc->vals[i] != NULL) {
|
|
|
1545 |
|
|
|
1546 |
for(j = 0; j < i; ++j)
|
|
|
1547 |
if(stc->vals[i] == stc->vals[j]) break;
|
|
|
1548 |
|
|
|
1549 |
if(i == j) gs_free(mem, stc->vals[i],1<<stc->bits,sd->stc.alg_item,
|
|
|
1550 |
"stcolor/transfer");
|
|
|
1551 |
}
|
|
|
1552 |
}
|
|
|
1553 |
|
|
|
1554 |
for(i = 0; i < 4; ++i) {
|
|
|
1555 |
stc->code[i] = NULL;
|
|
|
1556 |
stc->vals[i] = NULL;
|
|
|
1557 |
}
|
|
|
1558 |
}
|
|
|
1559 |
|
|
|
1560 |
/***
|
|
|
1561 |
*** open the device and initialize margins & arrays
|
|
|
1562 |
***/
|
|
|
1563 |
|
|
|
1564 |
private int
|
|
|
1565 |
stc_open(gx_device *pdev) /* setup margins & arrays */
|
|
|
1566 |
{
|
|
|
1567 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
1568 |
int i,j,code;
|
|
|
1569 |
gx_color_index white;
|
|
|
1570 |
byte *bpw,*bpm;
|
|
|
1571 |
|
|
|
1572 |
code = 0;
|
|
|
1573 |
/*
|
|
|
1574 |
* Establish Algorithm-Table, if not present
|
|
|
1575 |
*/
|
|
|
1576 |
if(sd->stc.algorithms.size == 0) {
|
|
|
1577 |
gs_param_string *dp;
|
|
|
1578 |
for(i = 0; stc_dither[i].name != NULL; ++i); /* count 'em */
|
|
|
1579 |
sd->stc.algorithms.size = i;
|
|
|
1580 |
dp = gs_malloc(sd->memory, i,sizeof(gs_param_string),
|
|
|
1581 |
"stcolor/algorithms");
|
|
|
1582 |
if(dp == NULL) {
|
|
|
1583 |
code = gs_error_VMerror;
|
|
|
1584 |
sd->stc.algorithms.size = 0;
|
|
|
1585 |
} else {
|
|
|
1586 |
sd->stc.algorithms.data = dp;
|
|
|
1587 |
sd->stc.algorithms.persistent = true;
|
|
|
1588 |
for(i = 0; stc_dither[i].name != NULL; ++i) {
|
|
|
1589 |
param_string_from_string(dp[i],stc_dither[i].name);
|
|
|
1590 |
}
|
|
|
1591 |
}
|
|
|
1592 |
}
|
|
|
1593 |
|
|
|
1594 |
# define stc_sizeofitem(T) sd->stc.alg_item = sizeof(T)
|
|
|
1595 |
STC_TYPESWITCH(sd->stc.dither,stc_sizeofitem)
|
|
|
1596 |
|
|
|
1597 |
stc_print_setup(sd);
|
|
|
1598 |
|
|
|
1599 |
/*
|
|
|
1600 |
* Establish internal Value & Code-Arrays
|
|
|
1601 |
*/
|
|
|
1602 |
|
|
|
1603 |
|
|
|
1604 |
for(i = 0; i < sd->color_info.num_components; ++i) { /* comp */
|
|
|
1605 |
|
|
|
1606 |
if((sd->stc.sizc[i] > 1) && (sd->stc.extc[i] != NULL)) { /* code req. */
|
|
|
1607 |
|
|
|
1608 |
for(j = 0; j < i; ++j) if(sd->stc.extc[i] == sd->stc.extc[j]) break;
|
|
|
1609 |
|
|
|
1610 |
if(i == j) { /* new one */
|
|
|
1611 |
sd->stc.code[i] = gs_malloc(sd->memory, 1<<sd->stc.bits,sizeof(gx_color_value),
|
|
|
1612 |
"stcolor/code");
|
|
|
1613 |
|
|
|
1614 |
if(sd->stc.code[i] == NULL) { /* error */
|
|
|
1615 |
code = gs_error_VMerror;
|
|
|
1616 |
} else { /* success */
|
|
|
1617 |
/*
|
|
|
1618 |
* Try making things easier:
|
|
|
1619 |
* normalize values to 0.0/1.0-Range
|
|
|
1620 |
* X-Axis: Color-Values (implied)
|
|
|
1621 |
* Y-Values: Indices (given)
|
|
|
1622 |
*/
|
|
|
1623 |
unsigned long ly,iy;
|
|
|
1624 |
double ystep,xstep,fx,fy;
|
|
|
1625 |
|
|
|
1626 |
/* normalize */
|
|
|
1627 |
|
|
|
1628 |
fx = 1e18;
|
|
|
1629 |
fy = -1e18;
|
|
|
1630 |
for(ly = 0; ly < sd->stc.sizc[i]; ++ly) {
|
|
|
1631 |
if(sd->stc.extc[i][ly] < fx) fx = sd->stc.extc[i][ly];
|
|
|
1632 |
if(sd->stc.extc[i][ly] > fy) fy = sd->stc.extc[i][ly];
|
|
|
1633 |
}
|
|
|
1634 |
if((fx != 0.0) || (fy != 1.0)) {
|
|
|
1635 |
fy = 1.0 / (fy - fx);
|
|
|
1636 |
for(ly = 0; ly < sd->stc.sizc[i]; ++ly)
|
|
|
1637 |
sd->stc.extc[i][ly] = fy * (sd->stc.extc[i][ly]-fx);
|
|
|
1638 |
}
|
|
|
1639 |
|
|
|
1640 |
/* interpolate */
|
|
|
1641 |
ystep = 1.0 / (double)((1<<sd->stc.bits)-1);
|
|
|
1642 |
xstep = 1.0 / (double)( sd->stc.sizc[i] -1);
|
|
|
1643 |
|
|
|
1644 |
iy = 0;
|
|
|
1645 |
for(ly = 0; ly < (1<<sd->stc.bits); ++ly) {
|
|
|
1646 |
fy = ystep * ly;
|
|
|
1647 |
while(((iy+1) < sd->stc.sizc[i]) &&
|
|
|
1648 |
( fy > sd->stc.extc[i][iy+1])) ++iy;
|
|
|
1649 |
fx = iy + (fy - sd->stc.extc[i][iy])
|
|
|
1650 |
/ (sd->stc.extc[i][iy+1] - sd->stc.extc[i][iy]);
|
|
|
1651 |
fx *= xstep * gx_max_color_value;
|
|
|
1652 |
|
|
|
1653 |
fx = fx < 0.0 ? 0.0 :
|
|
|
1654 |
(fx > gx_max_color_value ? gx_max_color_value : fx);
|
|
|
1655 |
|
|
|
1656 |
sd->stc.code[i][ly] = (gx_color_value)fx;
|
|
|
1657 |
if((fx-sd->stc.code[i][ly]) >= 0.5) sd->stc.code[i][ly] += 1;
|
|
|
1658 |
}
|
|
|
1659 |
} /* error || success */
|
|
|
1660 |
|
|
|
1661 |
} else { /* shared one */
|
|
|
1662 |
|
|
|
1663 |
sd->stc.code[i] = sd->stc.code[j];
|
|
|
1664 |
|
|
|
1665 |
} /* new || shared one */
|
|
|
1666 |
} /* code req. */
|
|
|
1667 |
|
|
|
1668 |
if((sd->stc.sizv[i] > 1) && (sd->stc.extv[i] != NULL)) { /* vals req. */
|
|
|
1669 |
|
|
|
1670 |
for(j = 0; j < i; ++j)
|
|
|
1671 |
if((sd->stc.extc[i] == sd->stc.extc[j]) &&
|
|
|
1672 |
(sd->stc.extv[i] == sd->stc.extv[j])) break;
|
|
|
1673 |
|
|
|
1674 |
if(i == j) { /* new one */
|
|
|
1675 |
|
|
|
1676 |
sd->stc.vals[i] =
|
|
|
1677 |
gs_malloc(sd->memory, 1<<sd->stc.bits,sd->stc.alg_item,"stcolor/transfer");
|
|
|
1678 |
|
|
|
1679 |
if(sd->stc.vals[i] == NULL) {
|
|
|
1680 |
|
|
|
1681 |
code = gs_error_VMerror;
|
|
|
1682 |
|
|
|
1683 |
} else { /* success */
|
|
|
1684 |
|
|
|
1685 |
|
|
|
1686 |
if(sd->stc.code[i] == NULL) { /* linear */
|
|
|
1687 |
|
|
|
1688 |
byte *Out = sd->stc.vals[i];
|
|
|
1689 |
int Nout = 1<<sd->stc.bits;
|
|
|
1690 |
double Omin = sd->stc.dither->minmax[0];
|
|
|
1691 |
double Omax = sd->stc.dither->minmax[1];
|
|
|
1692 |
float *In = sd->stc.extv[i];
|
|
|
1693 |
int Nin = sd->stc.sizv[i];
|
|
|
1694 |
unsigned long I,io;
|
|
|
1695 |
double Istep,Ostep,Y;
|
|
|
1696 |
byte Ovb; long Ovl;
|
|
|
1697 |
|
|
|
1698 |
Istep = 1.0 / (double) ((Nin)-1);
|
|
|
1699 |
Ostep = 1.0 / (double) ((Nout)-1);
|
|
|
1700 |
|
|
|
1701 |
for(io = 0; io < (Nout); ++io) {
|
|
|
1702 |
I = (long)(io * ((Nin)-1))/((Nout)-1);
|
|
|
1703 |
|
|
|
1704 |
if((I+1) < (Nin))
|
|
|
1705 |
Y = In[I] + (In[I+1]-In[I])
|
|
|
1706 |
* ((double) io * Ostep - (double)I * Istep)
|
|
|
1707 |
/ (double) Istep;
|
|
|
1708 |
else
|
|
|
1709 |
Y = In[I] + (In[I]-In[I-1])
|
|
|
1710 |
* ((double) io * Ostep - (double)I * Istep)
|
|
|
1711 |
/ (double) Istep;
|
|
|
1712 |
|
|
|
1713 |
Y = Omin + (Omax-Omin) * Y;
|
|
|
1714 |
Y = Y < Omin ? Omin : (Y > Omax ? Omax : Y);
|
|
|
1715 |
|
|
|
1716 |
|
|
|
1717 |
switch(sd->stc.dither->flags & STC_TYPE) {
|
|
|
1718 |
case STC_BYTE:
|
|
|
1719 |
Ovb = (byte)Y;
|
|
|
1720 |
if(((Y-Ovb) >= 0.5) && ((Ovb+1) <= Omax)) Ovb += 1;
|
|
|
1721 |
Out[io] = Ovb;
|
|
|
1722 |
break;
|
|
|
1723 |
case STC_LONG:
|
|
|
1724 |
Ovl = (long)Y;
|
|
|
1725 |
if(((Y-Ovl) >= 0.5) && ((Ovl+1) <= Omax)) Ovl += 1;
|
|
|
1726 |
if(((Ovl-Y) >= 0.5) && ((Ovl-1) >= Omax)) Ovl -= 1;
|
|
|
1727 |
((long *)Out)[io] = Ovl;
|
|
|
1728 |
break;
|
|
|
1729 |
default:
|
|
|
1730 |
((float *)Out)[io] = Y;
|
|
|
1731 |
break;
|
|
|
1732 |
}
|
|
|
1733 |
}
|
|
|
1734 |
|
|
|
1735 |
} else { /* encoded */
|
|
|
1736 |
unsigned long j,o;
|
|
|
1737 |
double xstep,x,y;
|
|
|
1738 |
|
|
|
1739 |
xstep = 1.0 / (double) (sd->stc.sizv[i]-1);
|
|
|
1740 |
|
|
|
1741 |
/*
|
|
|
1742 |
* The following differs in so far from the previous, that the desired
|
|
|
1743 |
* X-Values are stored in another array.
|
|
|
1744 |
*/
|
|
|
1745 |
for(o = 0; o < (1<<sd->stc.bits); ++o) { /* code-loop */
|
|
|
1746 |
|
|
|
1747 |
x = sd->stc.code[i][o]; x /= gx_max_color_value;
|
|
|
1748 |
|
|
|
1749 |
j = (unsigned long)(x / xstep);
|
|
|
1750 |
|
|
|
1751 |
if((j+1) < sd->stc.sizv[i]) {
|
|
|
1752 |
y = sd->stc.extv[i][j];
|
|
|
1753 |
y += (sd->stc.extv[i][j+1]-y)*(x-(double)j*xstep)/xstep;
|
|
|
1754 |
} else {
|
|
|
1755 |
y = sd->stc.extv[i][j];
|
|
|
1756 |
y += (y-sd->stc.extv[i][j-1])*(x-(double)j*xstep)/xstep;
|
|
|
1757 |
}
|
|
|
1758 |
|
|
|
1759 |
y = sd->stc.dither->minmax[0]
|
|
|
1760 |
+(sd->stc.dither->minmax[1]-sd->stc.dither->minmax[0])*y;
|
|
|
1761 |
|
|
|
1762 |
# define stc_adjvals(T) \
|
|
|
1763 |
((T *)(sd->stc.vals[i]))[o] = (T)y; \
|
|
|
1764 |
\
|
|
|
1765 |
if(((y-((T *)(sd->stc.vals[i]))[o]) >= 0.5) && \
|
|
|
1766 |
((1+((T *)(sd->stc.vals[i]))[o]) <= sd->stc.dither->minmax[1]))\
|
|
|
1767 |
((T *)(sd->stc.vals[i]))[o] += 1; \
|
|
|
1768 |
\
|
|
|
1769 |
if(((((T *)(sd->stc.vals[i]))[o]-y) >= 0.5) && \
|
|
|
1770 |
((((T *)(sd->stc.vals[i]))[o]-1) >= sd->stc.dither->minmax[0]))\
|
|
|
1771 |
((T *)(sd->stc.vals[i]))[o] -= 1;
|
|
|
1772 |
|
|
|
1773 |
STC_TYPESWITCH(sd->stc.dither,stc_adjvals)
|
|
|
1774 |
|
|
|
1775 |
# undef stc_adjvals
|
|
|
1776 |
} /* code-loop */
|
|
|
1777 |
} /* lineaer / encoded */
|
|
|
1778 |
} /* error || success */
|
|
|
1779 |
|
|
|
1780 |
} else { /* shared one */
|
|
|
1781 |
|
|
|
1782 |
sd->stc.vals[i] = sd->stc.vals[j];
|
|
|
1783 |
|
|
|
1784 |
} /* new || shared one */
|
|
|
1785 |
} /* vals req. */
|
|
|
1786 |
} /* comp */
|
|
|
1787 |
|
|
|
1788 |
if(code == 0) {
|
|
|
1789 |
gx_color_value cv[4];
|
|
|
1790 |
sd->stc.flags |= STCOK4GO;
|
|
|
1791 |
|
|
|
1792 |
/*
|
|
|
1793 |
* Arrgh: open-procedure seems to be the right-place, but it is
|
|
|
1794 |
* necessary to establish the defaults for omitted procedures too.
|
|
|
1795 |
*/
|
|
|
1796 |
|
|
|
1797 |
switch(sd->color_info.num_components) { /* Establish color-procs */
|
|
|
1798 |
case 1:
|
|
|
1799 |
set_dev_proc(sd,map_rgb_color, stc_map_gray_color);
|
|
|
1800 |
set_dev_proc(sd,map_cmyk_color,gx_default_map_cmyk_color);
|
|
|
1801 |
set_dev_proc(sd,map_color_rgb, stc_map_color_gray);
|
|
|
1802 |
set_dev_proc(sd,encode_color, stc_map_gray_color);
|
|
|
1803 |
set_dev_proc(sd,decode_color, stc_map_color_gray);
|
|
|
1804 |
cv[0] = cv[1] = cv[2] = gx_max_color_value;
|
|
|
1805 |
white = stc_map_gray_color((gx_device *) sd, cv);
|
|
|
1806 |
break;
|
|
|
1807 |
case 3:
|
|
|
1808 |
set_dev_proc(sd,map_rgb_color, stc_map_rgb_color);
|
|
|
1809 |
set_dev_proc(sd,map_cmyk_color,gx_default_map_cmyk_color);
|
|
|
1810 |
set_dev_proc(sd,map_color_rgb, stc_map_color_rgb);
|
|
|
1811 |
set_dev_proc(sd,encode_color, stc_map_rgb_color);
|
|
|
1812 |
set_dev_proc(sd,decode_color, stc_map_color_rgb);
|
|
|
1813 |
cv[0] = cv[1] = cv[2] = gx_max_color_value;
|
|
|
1814 |
white = stc_map_rgb_color((gx_device *) sd, cv);
|
|
|
1815 |
break;
|
|
|
1816 |
default:
|
|
|
1817 |
set_dev_proc(sd,map_rgb_color, gx_default_map_rgb_color);
|
|
|
1818 |
if(sd->stc.flags & STCCMYK10) {
|
|
|
1819 |
set_dev_proc(sd,map_cmyk_color,stc_map_cmyk10_color);
|
|
|
1820 |
set_dev_proc(sd,map_color_rgb, stc_map_color_cmyk10);
|
|
|
1821 |
set_dev_proc(sd,encode_color,stc_map_cmyk10_color);
|
|
|
1822 |
set_dev_proc(sd,decode_color, stc_map_color_cmyk10);
|
|
|
1823 |
cv[0] = cv[1] = cv[2] = cv[3] = 0;
|
|
|
1824 |
white = stc_map_cmyk10_color((gx_device *) sd, cv);
|
|
|
1825 |
} else {
|
|
|
1826 |
set_dev_proc(sd,map_cmyk_color,stc_map_cmyk_color);
|
|
|
1827 |
set_dev_proc(sd,map_color_rgb, stc_map_color_cmyk);
|
|
|
1828 |
set_dev_proc(sd,encode_color,stc_map_cmyk_color);
|
|
|
1829 |
set_dev_proc(sd,decode_color, stc_map_color_cmyk);
|
|
|
1830 |
cv[0] = cv[1] = cv[2] = cv[3] = 0;
|
|
|
1831 |
white = stc_map_cmyk_color((gx_device *) sd,cv);
|
|
|
1832 |
}
|
|
|
1833 |
break; /* Establish color-procs */
|
|
|
1834 |
}
|
|
|
1835 |
|
|
|
1836 |
|
|
|
1837 |
/*
|
|
|
1838 |
* create at least a Byte
|
|
|
1839 |
*/
|
|
|
1840 |
if(sd->color_info.depth < 2) white |= (white<<1);
|
|
|
1841 |
if(sd->color_info.depth < 4) white |= (white<<2);
|
|
|
1842 |
if(sd->color_info.depth < 8) white |= (white<<4);
|
|
|
1843 |
|
|
|
1844 |
/*
|
|
|
1845 |
* copy the Bytes
|
|
|
1846 |
*/
|
|
|
1847 |
bpw = (byte *) sd->stc.white_run;
|
|
|
1848 |
|
|
|
1849 |
if(sd->color_info.depth < 16) {
|
|
|
1850 |
for(i = 0; i < sizeof(sd->stc.white_run); i += 1) {
|
|
|
1851 |
bpw[i] = 0xff & white;
|
|
|
1852 |
}
|
|
|
1853 |
} else if(sd->color_info.depth < 24) {
|
|
|
1854 |
for(i = 0; i < sizeof(sd->stc.white_run); i += 2) {
|
|
|
1855 |
bpw[i] = 0xff & (white>>8);
|
|
|
1856 |
bpw[i+1] = 0xff & white;
|
|
|
1857 |
}
|
|
|
1858 |
} else if(sd->color_info.depth < 32) {
|
|
|
1859 |
for(i = 0; i < sizeof(sd->stc.white_run); i += 3) {
|
|
|
1860 |
bpw[i] = 0xff & (white>>16);
|
|
|
1861 |
bpw[i+1] = 0xff & (white>> 8);
|
|
|
1862 |
bpw[i+2] = 0xff & white;
|
|
|
1863 |
}
|
|
|
1864 |
} else {
|
|
|
1865 |
for(i = 0; i < sizeof(sd->stc.white_run); i += 4) {
|
|
|
1866 |
bpw[i] = 0xff & (white>>24);
|
|
|
1867 |
bpw[i+1] = 0xff & (white>>16);
|
|
|
1868 |
bpw[i+2] = 0xff & (white>> 8);
|
|
|
1869 |
bpw[i+3] = 0xff & white;
|
|
|
1870 |
}
|
|
|
1871 |
}
|
|
|
1872 |
/*
|
|
|
1873 |
* compute the trailer
|
|
|
1874 |
*/
|
|
|
1875 |
j = (unsigned long)(sd->width -
|
|
|
1876 |
(dev_l_margin(sd)+dev_r_margin(sd))*sd->x_pixels_per_inch);
|
|
|
1877 |
j = j * sd->color_info.depth; /* the Bit-count */
|
|
|
1878 |
j = j % (32*countof(sd->stc.white_run)); /* remaining Bits */
|
|
|
1879 |
|
|
|
1880 |
bpm = (byte *) sd->stc.white_end;
|
|
|
1881 |
for(i = 0; i < (4*countof(sd->stc.white_end)); ++i) {
|
|
|
1882 |
if( j <= 0) {
|
|
|
1883 |
bpm[i] = 0;
|
|
|
1884 |
} else if(j >= 8) {
|
|
|
1885 |
bpm[i] = 0xff;
|
|
|
1886 |
j -= 8;
|
|
|
1887 |
} else {
|
|
|
1888 |
bpm[i] = 0xff ^ ((1<<(8-j))-1);
|
|
|
1889 |
j = 0;
|
|
|
1890 |
}
|
|
|
1891 |
bpm[i] &= bpw[i];
|
|
|
1892 |
}
|
|
|
1893 |
|
|
|
1894 |
/*
|
|
|
1895 |
* Call super-class open
|
|
|
1896 |
*/
|
|
|
1897 |
|
|
|
1898 |
return gdev_prn_open(pdev);
|
|
|
1899 |
|
|
|
1900 |
} else {
|
|
|
1901 |
|
|
|
1902 |
stc_freedata(sd->memory, &sd->stc);
|
|
|
1903 |
|
|
|
1904 |
return_error(code);
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
}
|
|
|
1908 |
|
|
|
1909 |
/***
|
|
|
1910 |
*** stc_close: release the internal data
|
|
|
1911 |
***/
|
|
|
1912 |
private int
|
|
|
1913 |
stc_close(gx_device *pdev)
|
|
|
1914 |
{
|
|
|
1915 |
stc_freedata(pdev->memory, &((stcolor_device *) pdev)->stc);
|
|
|
1916 |
((stcolor_device *) pdev)->stc.flags &= ~STCOK4GO;
|
|
|
1917 |
return gdev_prn_close(pdev);
|
|
|
1918 |
}
|
|
|
1919 |
|
|
|
1920 |
|
|
|
1921 |
/***
|
|
|
1922 |
*** Function for Bit-Truncation, including direct-byte-transfer
|
|
|
1923 |
***/
|
|
|
1924 |
private gx_color_value
|
|
|
1925 |
stc_truncate(stcolor_device *sd,int i,gx_color_value v)
|
|
|
1926 |
{
|
|
|
1927 |
|
|
|
1928 |
if(sd->stc.bits < gx_color_value_bits) {
|
|
|
1929 |
if(sd->stc.code[i] != NULL) {
|
|
|
1930 |
/*
|
|
|
1931 |
* Perform binary search in the code-array
|
|
|
1932 |
*/
|
|
|
1933 |
long s;
|
|
|
1934 |
gx_color_value *p;
|
|
|
1935 |
|
|
|
1936 |
s = sd->stc.bits > 1 ? 1L<<(sd->stc.bits-2) : 0L;
|
|
|
1937 |
p = sd->stc.code[i]+(1L<<(sd->stc.bits-1));
|
|
|
1938 |
|
|
|
1939 |
while(s > 0) {
|
|
|
1940 |
if(v > *p) {
|
|
|
1941 |
p += s;
|
|
|
1942 |
} else if(v < p[-1]) {
|
|
|
1943 |
p -= s;
|
|
|
1944 |
} else {
|
|
|
1945 |
if((v-p[-1]) < (p[0]-v)) p -= 1;
|
|
|
1946 |
break;
|
|
|
1947 |
}
|
|
|
1948 |
s >>= 1;
|
|
|
1949 |
}
|
|
|
1950 |
if((v-p[-1]) < (p[0]-v)) p -= 1;
|
|
|
1951 |
v = p - sd->stc.code[i];
|
|
|
1952 |
|
|
|
1953 |
} else {
|
|
|
1954 |
|
|
|
1955 |
v >>= gx_color_value_bits-sd->stc.bits;
|
|
|
1956 |
|
|
|
1957 |
}
|
|
|
1958 |
|
|
|
1959 |
/*
|
|
|
1960 |
V = (((1L<<D->stc.bits)-1)*V+(gx_max_color_value>>1))\
|
|
|
1961 |
/gx_max_color_value; \
|
|
|
1962 |
*/
|
|
|
1963 |
}
|
|
|
1964 |
return v;
|
|
|
1965 |
}
|
|
|
1966 |
|
|
|
1967 |
private gx_color_value
|
|
|
1968 |
stc_truncate1(stcolor_device *sd,int i,gx_color_value v)
|
|
|
1969 |
{
|
|
|
1970 |
|
|
|
1971 |
return sd->stc.vals[i][stc_truncate(sd,i,v)];
|
|
|
1972 |
}
|
|
|
1973 |
|
|
|
1974 |
/***
|
|
|
1975 |
*** Expansion of indices for reverse-mapping
|
|
|
1976 |
***/
|
|
|
1977 |
private gx_color_value
|
|
|
1978 |
stc_expand(stcolor_device *sd,int i,gx_color_index col)
|
|
|
1979 |
{
|
|
|
1980 |
|
|
|
1981 |
gx_color_index cv;
|
|
|
1982 |
gx_color_index l = (1<<sd->stc.bits)-1;
|
|
|
1983 |
|
|
|
1984 |
if(sd->stc.code[i] != NULL) {
|
|
|
1985 |
|
|
|
1986 |
cv = sd->stc.code[i][col & l];
|
|
|
1987 |
|
|
|
1988 |
} else if(sd->stc.bits < gx_color_value_bits) {
|
|
|
1989 |
|
|
|
1990 |
cv = (col & l)<<(gx_color_value_bits-sd->stc.bits);
|
|
|
1991 |
cv += (col & l)/l * ((1<<(gx_color_value_bits-sd->stc.bits))-1);
|
|
|
1992 |
|
|
|
1993 |
} else if(sd->stc.bits > gx_color_value_bits) {
|
|
|
1994 |
|
|
|
1995 |
cv = (col & l)>>(sd->stc.bits-gx_color_value_bits);
|
|
|
1996 |
|
|
|
1997 |
} else {
|
|
|
1998 |
|
|
|
1999 |
cv = col & l;
|
|
|
2000 |
|
|
|
2001 |
}
|
|
|
2002 |
|
|
|
2003 |
return cv;
|
|
|
2004 |
}
|
|
|
2005 |
|
|
|
2006 |
/***
|
|
|
2007 |
*** color-mapping of gray-scales
|
|
|
2008 |
***/
|
|
|
2009 |
private gx_color_index
|
|
|
2010 |
stc_map_gray_color(gx_device *pdev, const gx_color_value cv[])
|
|
|
2011 |
{
|
|
|
2012 |
|
|
|
2013 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2014 |
gx_color_index rv;
|
|
|
2015 |
gx_color_value r = cv[0];
|
|
|
2016 |
gx_color_value g = cv[1];
|
|
|
2017 |
gx_color_value b = cv[2];
|
|
|
2018 |
|
|
|
2019 |
if((r == g) && (g == b)) {
|
|
|
2020 |
|
|
|
2021 |
rv = gx_max_color_value - r;
|
|
|
2022 |
|
|
|
2023 |
} else if(sd->stc.am != NULL) {
|
|
|
2024 |
float *m,fv;
|
|
|
2025 |
|
|
|
2026 |
m = sd->stc.am;
|
|
|
2027 |
|
|
|
2028 |
fv = gx_max_color_value;
|
|
|
2029 |
fv -= *m++ * (float) r; fv -= *m++ * (float) g; fv -= *m * (float) b;
|
|
|
2030 |
|
|
|
2031 |
if( fv < 0.0) rv = 0;
|
|
|
2032 |
else if((fv+0.5) > gx_max_color_value) rv = gx_max_color_value;
|
|
|
2033 |
else rv = (gx_color_index)(fv+0.5);
|
|
|
2034 |
|
|
|
2035 |
} else {
|
|
|
2036 |
|
|
|
2037 |
rv = ((gx_color_index)gx_max_color_value)<<3;
|
|
|
2038 |
rv -= (gx_color_index) 3 * r;
|
|
|
2039 |
rv -= (gx_color_index) 3 * g;
|
|
|
2040 |
rv -= ((gx_color_index)b)<<1;
|
|
|
2041 |
rv = (rv+4)>>3;
|
|
|
2042 |
if(rv > gx_max_color_value) rv = gx_max_color_value;
|
|
|
2043 |
|
|
|
2044 |
}
|
|
|
2045 |
|
|
|
2046 |
if(( sd->stc.bits == 8) &&
|
|
|
2047 |
((sd->stc.dither->flags & STC_TYPE) == STC_BYTE))
|
|
|
2048 |
rv = stc_truncate1(sd,0,(gx_color_value)rv);
|
|
|
2049 |
else
|
|
|
2050 |
rv = stc_truncate(sd,0,(gx_color_value)rv);
|
|
|
2051 |
|
|
|
2052 |
return rv;
|
|
|
2053 |
}
|
|
|
2054 |
|
|
|
2055 |
private int
|
|
|
2056 |
stc_map_color_gray(gx_device *pdev, gx_color_index color,gx_color_value prgb[3])
|
|
|
2057 |
{
|
|
|
2058 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2059 |
gx_color_index l = ((gx_color_index)1<<sd->stc.bits)-1;
|
|
|
2060 |
|
|
|
2061 |
prgb[0] = gx_max_color_value - stc_expand(sd,0,color & l);
|
|
|
2062 |
prgb[1] = prgb[0]; prgb[2] = prgb[0];
|
|
|
2063 |
|
|
|
2064 |
return 0;
|
|
|
2065 |
}
|
|
|
2066 |
|
|
|
2067 |
/***
|
|
|
2068 |
*** color-mapping of rgb-values
|
|
|
2069 |
***/
|
|
|
2070 |
private gx_color_index
|
|
|
2071 |
stc_map_rgb_color(gx_device *pdev, const gx_color_value cv[])
|
|
|
2072 |
{
|
|
|
2073 |
|
|
|
2074 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2075 |
int shift = sd->color_info.depth == 24 ? 8 : sd->stc.bits;
|
|
|
2076 |
gx_color_index rv = 0;
|
|
|
2077 |
gx_color_value r = cv[0];
|
|
|
2078 |
gx_color_value g = cv[1];
|
|
|
2079 |
gx_color_value b = cv[2];
|
|
|
2080 |
if((sd->stc.am != NULL) && ((r != g) || (g != b))) {
|
|
|
2081 |
float *m,fr,fg,fb,fv;
|
|
|
2082 |
|
|
|
2083 |
m = sd->stc.am;
|
|
|
2084 |
fr = r; fg = g; fb = b;
|
|
|
2085 |
|
|
|
2086 |
fv = *m++ * fr; fv += *m++ * fg; fv += *m++ * fb;
|
|
|
2087 |
|
|
|
2088 |
if( fv < 0.0) r = 0;
|
|
|
2089 |
else if((fv+0.5) > gx_max_color_value) r = gx_max_color_value;
|
|
|
2090 |
else r = (gx_color_value)(fv+0.5);
|
|
|
2091 |
|
|
|
2092 |
fv = *m++ * fr; fv += *m++ * fg; fv += *m++ * fb;
|
|
|
2093 |
|
|
|
2094 |
if( fv < 0.0) g = 0;
|
|
|
2095 |
else if((fv+0.5) > gx_max_color_value) g = gx_max_color_value;
|
|
|
2096 |
else g = (gx_color_value)(fv+0.5);
|
|
|
2097 |
|
|
|
2098 |
fv = *m++ * fr; fv += *m++ * fg; fv += *m++ * fb;
|
|
|
2099 |
|
|
|
2100 |
if( fv < 0.0) b = 0;
|
|
|
2101 |
else if((fv+0.5) > gx_max_color_value) b = gx_max_color_value;
|
|
|
2102 |
else b = (gx_color_value)(fv+0.5);
|
|
|
2103 |
|
|
|
2104 |
}
|
|
|
2105 |
|
|
|
2106 |
if(( sd->stc.bits == 8) &&
|
|
|
2107 |
((sd->stc.dither->flags & STC_TYPE) == STC_BYTE)) {
|
|
|
2108 |
rv = stc_truncate1(sd,0,r);
|
|
|
2109 |
rv = (rv<<shift) | stc_truncate1(sd,1,g);
|
|
|
2110 |
rv = (rv<<shift) | stc_truncate1(sd,2,b);
|
|
|
2111 |
} else {
|
|
|
2112 |
rv = stc_truncate(sd,0,r);
|
|
|
2113 |
rv = (rv<<shift) | stc_truncate(sd,1,g);
|
|
|
2114 |
rv = (rv<<shift) | stc_truncate(sd,2,b);
|
|
|
2115 |
}
|
|
|
2116 |
|
|
|
2117 |
return rv;
|
|
|
2118 |
}
|
|
|
2119 |
|
|
|
2120 |
private int
|
|
|
2121 |
stc_map_color_rgb(gx_device *pdev, gx_color_index color,gx_color_value prgb[3])
|
|
|
2122 |
{
|
|
|
2123 |
|
|
|
2124 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2125 |
int shift = sd->color_info.depth == 24 ? 8 : sd->stc.bits;
|
|
|
2126 |
gx_color_index l = ((gx_color_index)1<<sd->stc.bits)-1;
|
|
|
2127 |
|
|
|
2128 |
prgb[0] = stc_expand(sd,0,((color>>(shift<<1)) & l));
|
|
|
2129 |
prgb[1] = stc_expand(sd,1,((color>> shift ) & l));
|
|
|
2130 |
prgb[2] = stc_expand(sd,2,( color & l));
|
|
|
2131 |
|
|
|
2132 |
return 0;
|
|
|
2133 |
}
|
|
|
2134 |
|
|
|
2135 |
/***
|
|
|
2136 |
*** color-mapping of cmyk-values
|
|
|
2137 |
***/
|
|
|
2138 |
private gx_color_index
|
|
|
2139 |
stc_map_cmyk_color(gx_device *pdev, const gx_color_value cv[])
|
|
|
2140 |
{
|
|
|
2141 |
|
|
|
2142 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2143 |
int shift = sd->color_info.depth == 32 ? 8 : sd->stc.bits;
|
|
|
2144 |
gx_color_index rv = 0;
|
|
|
2145 |
gx_color_value c = cv[0];
|
|
|
2146 |
gx_color_value m = cv[1];
|
|
|
2147 |
gx_color_value y = cv[2];
|
|
|
2148 |
gx_color_value k = cv[3];
|
|
|
2149 |
|
|
|
2150 |
if((c == m) && (m == y)) {
|
|
|
2151 |
|
|
|
2152 |
k = c > k ? c : k;
|
|
|
2153 |
c = m = y = 0;
|
|
|
2154 |
|
|
|
2155 |
if(( sd->stc.bits == 8) &&
|
|
|
2156 |
((sd->stc.dither->flags & STC_TYPE) == STC_BYTE)) {
|
|
|
2157 |
k = stc_truncate1(sd,3,k);
|
|
|
2158 |
} else {
|
|
|
2159 |
k = stc_truncate(sd,3,k);
|
|
|
2160 |
}
|
|
|
2161 |
|
|
|
2162 |
} else {
|
|
|
2163 |
|
|
|
2164 |
if(sd->stc.am != NULL) {
|
|
|
2165 |
|
|
|
2166 |
float *a,fc,fm,fy,fk,fv;
|
|
|
2167 |
|
|
|
2168 |
if(k == 0) { /* no separated black yet */
|
|
|
2169 |
k = c < m ? c : m;
|
|
|
2170 |
k = k < y ? k : y;
|
|
|
2171 |
if(k) { /* no black at all */
|
|
|
2172 |
c -= k;
|
|
|
2173 |
m -= k;
|
|
|
2174 |
y -= k;
|
|
|
2175 |
} /* no black at all */
|
|
|
2176 |
} /* no separated black yet */
|
|
|
2177 |
|
|
|
2178 |
a = sd->stc.am;
|
|
|
2179 |
fc = c; fm = m; fy = y; fk = k;
|
|
|
2180 |
|
|
|
2181 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2182 |
if( fv < 0.0) c = 0;
|
|
|
2183 |
else if((fv+0.5) > gx_max_color_value) c = gx_max_color_value;
|
|
|
2184 |
else c = (gx_color_value)(fv+0.5);
|
|
|
2185 |
|
|
|
2186 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2187 |
if( fv < 0.0) m = 0;
|
|
|
2188 |
else if((fv+0.5) > gx_max_color_value) m = gx_max_color_value;
|
|
|
2189 |
else m = (gx_color_value)(fv+0.5);
|
|
|
2190 |
|
|
|
2191 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2192 |
if( fv < 0.0) y = 0;
|
|
|
2193 |
else if((fv+0.5) > gx_max_color_value) y = gx_max_color_value;
|
|
|
2194 |
else y = (gx_color_value)(fv+0.5);
|
|
|
2195 |
|
|
|
2196 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2197 |
if( fv < 0.0) k = 0;
|
|
|
2198 |
else if((fv+0.5) > gx_max_color_value) k = gx_max_color_value;
|
|
|
2199 |
else k = (gx_color_value)(fv+0.5);
|
|
|
2200 |
|
|
|
2201 |
} else if(k == 0) {
|
|
|
2202 |
|
|
|
2203 |
k = c < m ? c : m;
|
|
|
2204 |
k = k < y ? k : y;
|
|
|
2205 |
}
|
|
|
2206 |
|
|
|
2207 |
if(( sd->stc.bits == 8) &&
|
|
|
2208 |
((sd->stc.dither->flags & STC_TYPE) == STC_BYTE)) {
|
|
|
2209 |
c = stc_truncate1(sd,0,c);
|
|
|
2210 |
m = stc_truncate1(sd,1,m);
|
|
|
2211 |
y = stc_truncate1(sd,2,y);
|
|
|
2212 |
k = stc_truncate1(sd,3,k);
|
|
|
2213 |
} else {
|
|
|
2214 |
c = stc_truncate(sd,0,c);
|
|
|
2215 |
m = stc_truncate(sd,1,m);
|
|
|
2216 |
y = stc_truncate(sd,2,y);
|
|
|
2217 |
k = stc_truncate(sd,3,k);
|
|
|
2218 |
}
|
|
|
2219 |
}
|
|
|
2220 |
|
|
|
2221 |
rv = c;
|
|
|
2222 |
rv = (rv<<shift) | m;
|
|
|
2223 |
rv = (rv<<shift) | y;
|
|
|
2224 |
rv = (rv<<shift) | k;
|
|
|
2225 |
|
|
|
2226 |
if(rv == gx_no_color_index) rv ^= 1;
|
|
|
2227 |
|
|
|
2228 |
return rv;
|
|
|
2229 |
}
|
|
|
2230 |
|
|
|
2231 |
/* Modified to be a "decode_color" routine */
|
|
|
2232 |
private int
|
|
|
2233 |
stc_map_color_cmyk(gx_device *pdev, gx_color_index color,gx_color_value cv[4])
|
|
|
2234 |
{
|
|
|
2235 |
|
|
|
2236 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2237 |
int shift = sd->color_info.depth == 32 ? 8 : sd->stc.bits;
|
|
|
2238 |
gx_color_index l = ((gx_color_index)1<<sd->stc.bits)-1;
|
|
|
2239 |
gx_color_value c,m,y,k;
|
|
|
2240 |
|
|
|
2241 |
k = stc_expand(sd,3, color & l); color >>= shift;
|
|
|
2242 |
y = stc_expand(sd,2, color & l); color >>= shift;
|
|
|
2243 |
m = stc_expand(sd,1, color & l); color >>= shift;
|
|
|
2244 |
c = stc_expand(sd,0, color & l);
|
|
|
2245 |
|
|
|
2246 |
|
|
|
2247 |
cv[0] = c;
|
|
|
2248 |
cv[1] = m;
|
|
|
2249 |
cv[2] = y;
|
|
|
2250 |
cv[3] = k;
|
|
|
2251 |
|
|
|
2252 |
return 0;
|
|
|
2253 |
}
|
|
|
2254 |
|
|
|
2255 |
/***
|
|
|
2256 |
*** color-mapping of cmyk10-values
|
|
|
2257 |
***/
|
|
|
2258 |
private gx_color_index
|
|
|
2259 |
stc_map_cmyk10_color(gx_device *pdev, const gx_color_value cv[])
|
|
|
2260 |
{
|
|
|
2261 |
|
|
|
2262 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2263 |
int mode;
|
|
|
2264 |
gx_color_index rv = 0;
|
|
|
2265 |
|
|
|
2266 |
gx_color_value c = cv[0];
|
|
|
2267 |
gx_color_value m = cv[1];
|
|
|
2268 |
gx_color_value y = cv[2];
|
|
|
2269 |
gx_color_value k = cv[3];
|
|
|
2270 |
|
|
|
2271 |
if((c == m) && (m == y)) {
|
|
|
2272 |
|
|
|
2273 |
k = c > k ? c : k;
|
|
|
2274 |
c = m = y = 0;
|
|
|
2275 |
mode = 3;
|
|
|
2276 |
|
|
|
2277 |
} else {
|
|
|
2278 |
|
|
|
2279 |
if(sd->stc.am != NULL) {
|
|
|
2280 |
|
|
|
2281 |
float *a,fc,fm,fy,fk,fv;
|
|
|
2282 |
|
|
|
2283 |
k = c < m ? c : m;
|
|
|
2284 |
k = k < y ? k : y;
|
|
|
2285 |
if(k) { /* no black at all */
|
|
|
2286 |
c -= k;
|
|
|
2287 |
m -= k;
|
|
|
2288 |
y -= k;
|
|
|
2289 |
} /* no black at all */
|
|
|
2290 |
|
|
|
2291 |
a = sd->stc.am;
|
|
|
2292 |
fc = c; fm = m; fy = y; fk = k;
|
|
|
2293 |
|
|
|
2294 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2295 |
if( fv < 0.0) c = 0;
|
|
|
2296 |
else if((fv+0.5) > gx_max_color_value) c = gx_max_color_value;
|
|
|
2297 |
else c = (gx_color_value)(fv+0.5);
|
|
|
2298 |
|
|
|
2299 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2300 |
if( fv < 0.0) m = 0;
|
|
|
2301 |
else if((fv+0.5) > gx_max_color_value) m = gx_max_color_value;
|
|
|
2302 |
else m = (gx_color_value)(fv+0.5);
|
|
|
2303 |
|
|
|
2304 |
fv = *a++ * fc; fv += *a++ * fm; fv += *a++ * fy; fv += *a++ * fk;
|
|
|
2305 |
if( fv < 0.0) y = 0;
|
|
|
2306 |
else if((fv+0.5) > gx_max_color_value) y = gx_max_color_value;
|
|
|
2307 |
else y = (gx_color_value)(fv+0.5);
|
|
|
2308 |
|
|
|
2309 |
}
|
|
|
2310 |
|
|
|
2311 |
if(c < m) {
|
|
|
2312 |
if(c < y) { k = c; c = 0; mode = 0; }
|
|
|
2313 |
else { k = y; y = 0; mode = 2; }
|
|
|
2314 |
} else {
|
|
|
2315 |
if(m < y) { k = m; m = 0; mode = 1; }
|
|
|
2316 |
else { k = y; y = 0; mode = 2; }
|
|
|
2317 |
}
|
|
|
2318 |
}
|
|
|
2319 |
|
|
|
2320 |
/*
|
|
|
2321 |
* truncate only the values that require it
|
|
|
2322 |
*/
|
|
|
2323 |
if(c) c = stc_truncate(sd,0,c);
|
|
|
2324 |
if(m) m = stc_truncate(sd,1,m);
|
|
|
2325 |
if(y) y = stc_truncate(sd,2,y);
|
|
|
2326 |
if(k) k = stc_truncate(sd,3,k);
|
|
|
2327 |
|
|
|
2328 |
/*
|
|
|
2329 |
* make sure that truncation-white becomes white.
|
|
|
2330 |
*/
|
|
|
2331 |
if((c|m|y) == 0) mode = 3;
|
|
|
2332 |
|
|
|
2333 |
/*
|
|
|
2334 |
* check wether value-arrays can be bypassed
|
|
|
2335 |
*/
|
|
|
2336 |
if(((sd->stc.dither->flags & STC_TYPE) == STC_BYTE) &&
|
|
|
2337 |
( sd->stc.dither->minmax[0] == 0.0 )) {
|
|
|
2338 |
c = sd->stc.vals[0][c];
|
|
|
2339 |
m = sd->stc.vals[1][m];
|
|
|
2340 |
y = sd->stc.vals[2][y];
|
|
|
2341 |
k = sd->stc.vals[3][k];
|
|
|
2342 |
} else if(((sd->stc.dither->flags & STC_TYPE) == STC_LONG) &&
|
|
|
2343 |
( sd->stc.dither->minmax[0] == 0.0 ) &&
|
|
|
2344 |
( sd->stc.dither->minmax[1] <= 1023.0 )) {
|
|
|
2345 |
c = ((long *)(sd->stc.vals[0]))[c];
|
|
|
2346 |
m = ((long *)(sd->stc.vals[1]))[m];
|
|
|
2347 |
y = ((long *)(sd->stc.vals[2]))[y];
|
|
|
2348 |
k = ((long *)(sd->stc.vals[3]))[k];
|
|
|
2349 |
} /* direct */
|
|
|
2350 |
/*
|
|
|
2351 |
* compute the long-representation of gx_color_index
|
|
|
2352 |
*/
|
|
|
2353 |
switch(mode) {
|
|
|
2354 |
case 0:
|
|
|
2355 |
rv = (((gx_color_index) m)<<22)|
|
|
|
2356 |
(((gx_color_index) y)<<12)|
|
|
|
2357 |
(((gx_color_index) k)<< 2)|mode;
|
|
|
2358 |
break;
|
|
|
2359 |
case 1:
|
|
|
2360 |
rv = (((gx_color_index) c)<<22)|
|
|
|
2361 |
(((gx_color_index) y)<<12)|
|
|
|
2362 |
(((gx_color_index) k)<< 2)|mode;
|
|
|
2363 |
break;
|
|
|
2364 |
case 2:
|
|
|
2365 |
rv = (((gx_color_index) c)<<22)|
|
|
|
2366 |
(((gx_color_index) m)<<12)|
|
|
|
2367 |
(((gx_color_index) k)<< 2)|mode;
|
|
|
2368 |
break;
|
|
|
2369 |
default:
|
|
|
2370 |
rv = (((gx_color_index) k)<< 2)|mode;
|
|
|
2371 |
break;
|
|
|
2372 |
}
|
|
|
2373 |
|
|
|
2374 |
/*
|
|
|
2375 |
* We may need some swapping
|
|
|
2376 |
*/
|
|
|
2377 |
#if !arch_is_big_endian
|
|
|
2378 |
{
|
|
|
2379 |
union { stc_pixel cv; byte bv[4]; } ui,uo;
|
|
|
2380 |
ui.cv = rv;
|
|
|
2381 |
uo.bv[0] = ui.bv[3];
|
|
|
2382 |
uo.bv[1] = ui.bv[2];
|
|
|
2383 |
uo.bv[2] = ui.bv[1];
|
|
|
2384 |
uo.bv[3] = ui.bv[0];
|
|
|
2385 |
rv = uo.cv;
|
|
|
2386 |
}
|
|
|
2387 |
#endif
|
|
|
2388 |
return rv;
|
|
|
2389 |
}
|
|
|
2390 |
|
|
|
2391 |
private int
|
|
|
2392 |
stc_map_color_cmyk10(gx_device *pdev, gx_color_index color,
|
|
|
2393 |
gx_color_value cv[3])
|
|
|
2394 |
{
|
|
|
2395 |
|
|
|
2396 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2397 |
gx_color_value c,m,y;
|
|
|
2398 |
|
|
|
2399 |
/*
|
|
|
2400 |
* We may need some swapping
|
|
|
2401 |
*/
|
|
|
2402 |
#if !arch_is_big_endian
|
|
|
2403 |
union { stc_pixel cv; byte bv[4]; } ui,uo;
|
|
|
2404 |
ui.cv = color;
|
|
|
2405 |
uo.bv[0] = ui.bv[3];
|
|
|
2406 |
uo.bv[1] = ui.bv[2];
|
|
|
2407 |
uo.bv[2] = ui.bv[1];
|
|
|
2408 |
uo.bv[3] = ui.bv[0];
|
|
|
2409 |
color = uo.cv;
|
|
|
2410 |
#endif
|
|
|
2411 |
|
|
|
2412 |
c = stc_expand(sd,3,(color>>2)&0x3ff);
|
|
|
2413 |
|
|
|
2414 |
/* cast the 64 bit switch argument to work around broken HPUX 10 cc */
|
|
|
2415 |
switch((int)(color & 3)) {
|
|
|
2416 |
case 0:
|
|
|
2417 |
m = stc_expand(sd,1,(color>>22) & 0x3ff);
|
|
|
2418 |
y = stc_expand(sd,2,(color>>12) & 0x3ff);
|
|
|
2419 |
break;
|
|
|
2420 |
case 1:
|
|
|
2421 |
m = c;
|
|
|
2422 |
c = stc_expand(sd,0,(color>>22) & 0x3ff);
|
|
|
2423 |
y = stc_expand(sd,2,(color>>12) & 0x3ff);
|
|
|
2424 |
break;
|
|
|
2425 |
case 2:
|
|
|
2426 |
y = c;
|
|
|
2427 |
c = stc_expand(sd,0,(color>>22) & 0x3ff);
|
|
|
2428 |
m = stc_expand(sd,1,(color>>12) & 0x3ff);
|
|
|
2429 |
break;
|
|
|
2430 |
default:
|
|
|
2431 |
m = c;
|
|
|
2432 |
y = c;
|
|
|
2433 |
break;
|
|
|
2434 |
}
|
|
|
2435 |
|
|
|
2436 |
cv[0] = c;
|
|
|
2437 |
cv[1] = m;
|
|
|
2438 |
cv[2] = y;
|
|
|
2439 |
|
|
|
2440 |
return 0;
|
|
|
2441 |
}
|
|
|
2442 |
|
|
|
2443 |
/***
|
|
|
2444 |
*** Macros for parameter-handling
|
|
|
2445 |
***/
|
|
|
2446 |
|
|
|
2447 |
#define set_param_array(A, D, S)\
|
|
|
2448 |
{A.data = D; A.size = S; A.persistent = false;}
|
|
|
2449 |
|
|
|
2450 |
#define stc_write_null(N) \
|
|
|
2451 |
set_param_array(pfa,defext,countof(defext)) \
|
|
|
2452 |
code = param_write_null(plist,N); \
|
|
|
2453 |
if (code < 0) return code;
|
|
|
2454 |
|
|
|
2455 |
#define stc_write_xarray(I,Coding,Transfer) \
|
|
|
2456 |
if(sd->stc.sizc[I] > 0) { \
|
|
|
2457 |
set_param_array(pfa, sd->stc.extc[I],sd->stc.sizc[I]) \
|
|
|
2458 |
code = param_write_float_array(plist,Coding,&pfa); \
|
|
|
2459 |
} else { \
|
|
|
2460 |
code = param_write_null(plist,Coding); \
|
|
|
2461 |
} \
|
|
|
2462 |
if ( code < 0 ) return code; \
|
|
|
2463 |
\
|
|
|
2464 |
if(sd->stc.sizv[I] > 0) \
|
|
|
2465 |
set_param_array(pfa, sd->stc.extv[I],sd->stc.sizv[I]) \
|
|
|
2466 |
else \
|
|
|
2467 |
set_param_array(pfa,defext,countof(defext)) \
|
|
|
2468 |
code = param_write_float_array(plist,Transfer,&pfa); \
|
|
|
2469 |
if ( code < 0 ) return code;
|
|
|
2470 |
|
|
|
2471 |
#define stc_read_null(N) \
|
|
|
2472 |
code = param_read_null(plist,N); \
|
|
|
2473 |
if(code == gs_error_typecheck) \
|
|
|
2474 |
code = param_read_float_array(plist,N,&pfa); \
|
|
|
2475 |
if(code < 0) param_signal_error(plist,N,code); \
|
|
|
2476 |
error = error > code ? code : error;
|
|
|
2477 |
|
|
|
2478 |
#define stc_read_xarray(I,Coding,Transfer) \
|
|
|
2479 |
code = param_read_float_array(plist,Coding,&pfa); \
|
|
|
2480 |
if((error == 0) && (code == 0)) { \
|
|
|
2481 |
if(pfa.size > 1) { \
|
|
|
2482 |
sd->stc.extc[I] = (float *) pfa.data; \
|
|
|
2483 |
sd->stc.sizc[I] = pfa.size; \
|
|
|
2484 |
} else { \
|
|
|
2485 |
code = gs_error_rangecheck; \
|
|
|
2486 |
} \
|
|
|
2487 |
} else if(code < 0) { \
|
|
|
2488 |
code = param_read_null(plist,Coding); \
|
|
|
2489 |
if(code == 0) { \
|
|
|
2490 |
sd->stc.extc[I] = NULL; \
|
|
|
2491 |
sd->stc.sizc[I] = 0; \
|
|
|
2492 |
} \
|
|
|
2493 |
} \
|
|
|
2494 |
if(code < 0) param_signal_error(plist,Coding,code); \
|
|
|
2495 |
error = error > code ? code : error; \
|
|
|
2496 |
code = param_read_float_array(plist,Transfer,&pfa); \
|
|
|
2497 |
if((error == 0) && (code == 0)) { \
|
|
|
2498 |
sd->stc.extv[I] = (float *) pfa.data; \
|
|
|
2499 |
sd->stc.sizv[I] = pfa.size; \
|
|
|
2500 |
} else if(code < 0) { \
|
|
|
2501 |
code = param_read_null(plist,Transfer); \
|
|
|
2502 |
if(code == 0) { \
|
|
|
2503 |
sd->stc.extv[I] = defext; \
|
|
|
2504 |
sd->stc.sizv[I] = countof(defext); \
|
|
|
2505 |
} \
|
|
|
2506 |
} \
|
|
|
2507 |
if(code < 0) param_signal_error(plist,Transfer,code); \
|
|
|
2508 |
error = error > code ? code : error;
|
|
|
2509 |
|
|
|
2510 |
/***
|
|
|
2511 |
*** Get parameters == Make them accessable via PostScript
|
|
|
2512 |
***/
|
|
|
2513 |
|
|
|
2514 |
private int
|
|
|
2515 |
stc_get_params(gx_device *pdev, gs_param_list *plist)
|
|
|
2516 |
{
|
|
|
2517 |
int code,nc;
|
|
|
2518 |
gs_param_string ps;
|
|
|
2519 |
gs_param_float_array pfa;
|
|
|
2520 |
bool btmp;
|
|
|
2521 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2522 |
|
|
|
2523 |
code = gdev_prn_get_params(pdev, plist);
|
|
|
2524 |
if ( code < 0 ) return code;
|
|
|
2525 |
|
|
|
2526 |
/*
|
|
|
2527 |
* Export some readonly-Parameters, used by stcinfo.ps
|
|
|
2528 |
*/
|
|
|
2529 |
param_string_from_string(ps,"1.91");
|
|
|
2530 |
code = param_write_string(plist,"Version",&ps);
|
|
|
2531 |
if ( code < 0 ) return code;
|
|
|
2532 |
|
|
|
2533 |
code = param_write_int(plist,"BitsPerComponent",&sd->stc.bits);
|
|
|
2534 |
if ( code < 0 ) return code;
|
|
|
2535 |
|
|
|
2536 |
if(sd->stc.algorithms.size > 0) {
|
|
|
2537 |
code = param_write_string_array(plist,"Algorithms",&sd->stc.algorithms);
|
|
|
2538 |
} else {
|
|
|
2539 |
code = param_write_null(plist,"Algorithms");
|
|
|
2540 |
}
|
|
|
2541 |
if ( code < 0 ) return code;
|
|
|
2542 |
|
|
|
2543 |
/*
|
|
|
2544 |
* Export OutputCode
|
|
|
2545 |
*/
|
|
|
2546 |
switch(sd->stc.flags & STCCOMP) {
|
|
|
2547 |
case STCPLAIN: param_string_from_string(ps,"plain"); break;
|
|
|
2548 |
case STCDELTA: param_string_from_string(ps,"deltarow"); break;
|
|
|
2549 |
default: param_string_from_string(ps,"runlength"); break;
|
|
|
2550 |
}
|
|
|
2551 |
code = param_write_string(plist,"OutputCode",&ps);
|
|
|
2552 |
if ( code < 0 ) return code;
|
|
|
2553 |
/*
|
|
|
2554 |
* Export Model
|
|
|
2555 |
*/
|
|
|
2556 |
switch(sd->stc.flags & STCMODEL) {
|
|
|
2557 |
case STCST800: param_string_from_string(ps,"st800"); break;
|
|
|
2558 |
case STCSTCII: param_string_from_string(ps,"stcii"); break;
|
|
|
2559 |
default: param_string_from_string(ps,"stc"); break;
|
|
|
2560 |
}
|
|
|
2561 |
code = param_write_string(plist,"Model",&ps);
|
|
|
2562 |
if ( code < 0 ) return code;
|
|
|
2563 |
|
|
|
2564 |
/*
|
|
|
2565 |
* Export the booleans
|
|
|
2566 |
*/
|
|
|
2567 |
#define stc_write_flag(Mask,Name) \
|
|
|
2568 |
btmp = sd->stc.flags & (Mask) ? true : false; \
|
|
|
2569 |
code = param_write_bool(plist,Name,&btmp); \
|
|
|
2570 |
if ( code < 0 ) return code;
|
|
|
2571 |
|
|
|
2572 |
stc_write_flag(STCUNIDIR,"Unidirectional")
|
|
|
2573 |
stc_write_flag(STCUWEAVE,"Microweave")
|
|
|
2574 |
btmp = sd->stc.flags & (STCUNIDIR|STCUWEAVE) ? false : true;
|
|
|
2575 |
code = param_write_bool(plist,"Softweave",&btmp);
|
|
|
2576 |
if ( code < 0 ) return code;
|
|
|
2577 |
stc_write_flag(STCNWEAVE,"noWeave")
|
|
|
2578 |
stc_write_flag(STCDFLAG0, "Flag0")
|
|
|
2579 |
stc_write_flag(STCDFLAG1, "Flag1")
|
|
|
2580 |
stc_write_flag(STCDFLAG2, "Flag2")
|
|
|
2581 |
stc_write_flag(STCDFLAG3, "Flag3")
|
|
|
2582 |
stc_write_flag(STCDFLAG4, "Flag4")
|
|
|
2583 |
|
|
|
2584 |
#undef stc_write_flag
|
|
|
2585 |
|
|
|
2586 |
# define stc_write_int(Mask,Name,Val) \
|
|
|
2587 |
code = param_write_int(plist,Name,&Val); \
|
|
|
2588 |
if ( code < 0 ) return code
|
|
|
2589 |
|
|
|
2590 |
stc_write_int(STCBAND, "escp_Band", sd->stc.escp_m);
|
|
|
2591 |
stc_write_int(STCWIDTH, "escp_Width", sd->stc.escp_width);
|
|
|
2592 |
stc_write_int(STCHEIGHT,"escp_Height",sd->stc.escp_height);
|
|
|
2593 |
stc_write_int(STCTOP, "escp_Top", sd->stc.escp_top);
|
|
|
2594 |
stc_write_int(STCBOTTOM,"escp_Bottom",sd->stc.escp_bottom);
|
|
|
2595 |
|
|
|
2596 |
# undef stc_write_int
|
|
|
2597 |
|
|
|
2598 |
code = param_write_string(plist,"escp_Init",&sd->stc.escp_init);
|
|
|
2599 |
code = param_write_string(plist,"escp_Release",&sd->stc.escp_release);
|
|
|
2600 |
|
|
|
2601 |
if(sd->stc.dither != NULL) {
|
|
|
2602 |
param_string_from_string(ps,sd->stc.dither->name);
|
|
|
2603 |
code = param_write_string(plist,"Dithering",&ps);
|
|
|
2604 |
} else {
|
|
|
2605 |
code = param_write_null(plist,"Dithering");
|
|
|
2606 |
}
|
|
|
2607 |
if ( code < 0 ) return code;
|
|
|
2608 |
|
|
|
2609 |
nc = sd->color_info.num_components;
|
|
|
2610 |
|
|
|
2611 |
if(sd->stc.am != NULL) {
|
|
|
2612 |
if( nc == 1) set_param_array(pfa, sd->stc.am, 3)
|
|
|
2613 |
else if(nc == 3) set_param_array(pfa, sd->stc.am, 9)
|
|
|
2614 |
else set_param_array(pfa, sd->stc.am,16)
|
|
|
2615 |
code = param_write_float_array(plist,"ColorAdjustMatrix",&pfa);
|
|
|
2616 |
} else {
|
|
|
2617 |
code = param_write_null(plist,"ColorAdjustMatrix");
|
|
|
2618 |
}
|
|
|
2619 |
if ( code < 0 ) return code;
|
|
|
2620 |
|
|
|
2621 |
if(nc == 1) { /* DeviceGray */
|
|
|
2622 |
|
|
|
2623 |
stc_write_xarray(0,"Kcoding","Ktransfer");
|
|
|
2624 |
|
|
|
2625 |
stc_write_null("Rcoding"); stc_write_null("Rtransfer");
|
|
|
2626 |
stc_write_null("Gcoding"); stc_write_null("Gtransfer");
|
|
|
2627 |
stc_write_null("Bcoding"); stc_write_null("Btransfer");
|
|
|
2628 |
|
|
|
2629 |
stc_write_null("Ccoding"); stc_write_null("Ctransfer");
|
|
|
2630 |
stc_write_null("Mcoding"); stc_write_null("Mtransfer");
|
|
|
2631 |
stc_write_null("Ycoding"); stc_write_null("Ytransfer");
|
|
|
2632 |
|
|
|
2633 |
} else if(nc == 3) { /* DeviceRGB */
|
|
|
2634 |
|
|
|
2635 |
stc_write_xarray(0,"Rcoding","Rtransfer");
|
|
|
2636 |
stc_write_xarray(1,"Gcoding","Gtransfer");
|
|
|
2637 |
stc_write_xarray(2,"Bcoding","Btransfer");
|
|
|
2638 |
|
|
|
2639 |
stc_write_null("Ccoding"); stc_write_null("Ctransfer");
|
|
|
2640 |
stc_write_null("Mcoding"); stc_write_null("Mtransfer");
|
|
|
2641 |
stc_write_null("Ycoding"); stc_write_null("Ytransfer");
|
|
|
2642 |
stc_write_null("Kcoding"); stc_write_null("Ktransfer");
|
|
|
2643 |
|
|
|
2644 |
} else { /* DeviceCMYK */
|
|
|
2645 |
|
|
|
2646 |
stc_write_xarray(0,"Ccoding","Ctransfer");
|
|
|
2647 |
stc_write_xarray(1,"Mcoding","Mtransfer");
|
|
|
2648 |
stc_write_xarray(2,"Ycoding","Ytransfer");
|
|
|
2649 |
stc_write_xarray(3,"Kcoding","Ktransfer");
|
|
|
2650 |
|
|
|
2651 |
stc_write_null("Rcoding"); stc_write_null("Rtransfer");
|
|
|
2652 |
stc_write_null("Gcoding"); stc_write_null("Gtransfer");
|
|
|
2653 |
stc_write_null("Bcoding"); stc_write_null("Btransfer");
|
|
|
2654 |
|
|
|
2655 |
}
|
|
|
2656 |
return code;
|
|
|
2657 |
}
|
|
|
2658 |
|
|
|
2659 |
/***
|
|
|
2660 |
*** put parameters == Store them in the device-structure
|
|
|
2661 |
***/
|
|
|
2662 |
|
|
|
2663 |
private int
|
|
|
2664 |
stc_put_params(gx_device *pdev, gs_param_list *plist)
|
|
|
2665 |
{
|
|
|
2666 |
int code,error,i,l;
|
|
|
2667 |
bool b1,b2,b3;
|
|
|
2668 |
float fv,*fp;
|
|
|
2669 |
gs_param_string ps;
|
|
|
2670 |
gs_param_string_array psa;
|
|
|
2671 |
gs_param_float_array pfa;
|
|
|
2672 |
stcolor_device *sd = (stcolor_device *) pdev;
|
|
|
2673 |
gx_device_color_info oldcolor;
|
|
|
2674 |
stc_t oldstc;
|
|
|
2675 |
|
|
|
2676 |
/*
|
|
|
2677 |
* save old Values
|
|
|
2678 |
*/
|
|
|
2679 |
memcpy(&oldcolor,&sd->color_info,sizeof(oldcolor));
|
|
|
2680 |
memcpy(&oldstc ,&sd->stc ,sizeof(oldstc ));
|
|
|
2681 |
|
|
|
2682 |
/*
|
|
|
2683 |
* Arrrgh:
|
|
|
2684 |
* With Version 3.4x and above my simple minded read-only Parameters
|
|
|
2685 |
* do not work any more. So read them here for heavens sake.
|
|
|
2686 |
*/
|
|
|
2687 |
code = param_read_string(plist,"Version",&ps);
|
|
|
2688 |
code = param_read_int(plist,"BitsPerComponent",&i);
|
|
|
2689 |
code = param_read_string_array(plist,"Algorithms",&psa);
|
|
|
2690 |
|
|
|
2691 |
/*
|
|
|
2692 |
* Fetch Major-Parameters (Model, Dithering, BitsPerPixel/BitsPerComponent)
|
|
|
2693 |
*/
|
|
|
2694 |
error = 0;
|
|
|
2695 |
|
|
|
2696 |
code = param_read_string(plist,"Model",&ps);
|
|
|
2697 |
if(code == 0) { /* Analyze the Model-String */
|
|
|
2698 |
/*
|
|
|
2699 |
* Arrgh: I should have known, that internal strings are not zero-terminated.
|
|
|
2700 |
*/
|
|
|
2701 |
for(l = ps.size; (l > 0) && (ps.data[l-1] == 0); --l);
|
|
|
2702 |
# define stc_putcmp(Name) \
|
|
|
2703 |
((strlen(Name) != l) || (0 != strncmp(Name, (const char *)ps.data,l)))
|
|
|
2704 |
|
|
|
2705 |
sd->stc.flags &= ~STCMODEL;
|
|
|
2706 |
if( !stc_putcmp("st800")) sd->stc.flags |= STCST800;
|
|
|
2707 |
else if(!stc_putcmp("stcii")) sd->stc.flags |= STCSTCII;
|
|
|
2708 |
|
|
|
2709 |
} /* Analyze the Model-String */
|
|
|
2710 |
if(code < 0) param_signal_error(plist,"Model",code);
|
|
|
2711 |
error = error > code ? code : error;
|
|
|
2712 |
|
|
|
2713 |
/* If we're running for st800, #components must be 1 */
|
|
|
2714 |
if(((sd->stc.flags & STCMODEL) == STCST800) &&
|
|
|
2715 |
(( sd->color_info.num_components > 1) ||
|
|
|
2716 |
( sd->stc.dither == NULL) ||
|
|
|
2717 |
((sd->stc.dither->flags & 7) > 1))) {
|
|
|
2718 |
sd->color_info.num_components = 1;
|
|
|
2719 |
sd->stc.dither = NULL;
|
|
|
2720 |
}
|
|
|
2721 |
|
|
|
2722 |
/* Weaving isn't a feature for the st800 */
|
|
|
2723 |
if((sd->stc.flags & STCMODEL) == STCST800) {
|
|
|
2724 |
sd->stc.flags &= ~STCUWEAVE;
|
|
|
2725 |
sd->stc.flags |= STCNWEAVE;
|
|
|
2726 |
} else if((sd->stc.flags & STCMODEL) == STCSTCII) { /* no SoftWeave */
|
|
|
2727 |
sd->stc.flags |= STCNWEAVE;
|
|
|
2728 |
}
|
|
|
2729 |
|
|
|
2730 |
code = param_read_string(plist,"Dithering",&ps);
|
|
|
2731 |
if(code == 0) { /* lookup new value new value */
|
|
|
2732 |
|
|
|
2733 |
for(l = ps.size; (l > 0) && (ps.data[l-1] == 0); --l);
|
|
|
2734 |
|
|
|
2735 |
for(i = 0; stc_dither[i].name != NULL; ++i)
|
|
|
2736 |
if(!stc_putcmp(stc_dither[i].name)) break;
|
|
|
2737 |
|
|
|
2738 |
} else if(sd->stc.dither != NULL) { /* compute index of given value */
|
|
|
2739 |
|
|
|
2740 |
i = sd->stc.dither - stc_dither;
|
|
|
2741 |
|
|
|
2742 |
} else { /* find matching value */
|
|
|
2743 |
|
|
|
2744 |
for(i = 0; stc_dither[i].name != NULL; ++i)
|
|
|
2745 |
if((stc_dither[i].flags & 7) == sd->color_info.num_components) break;
|
|
|
2746 |
|
|
|
2747 |
} /* we've got an index */
|
|
|
2748 |
|
|
|
2749 |
if(stc_dither[i].name != NULL) { /* establish data */
|
|
|
2750 |
|
|
|
2751 |
/*
|
|
|
2752 |
* Establish new dithering algorithm & color-model
|
|
|
2753 |
*/
|
|
|
2754 |
sd->stc.dither = stc_dither+i;
|
|
|
2755 |
sd->color_info.num_components = sd->stc.dither->flags & 7;
|
|
|
2756 |
STC_TYPESWITCH(sd->stc.dither,stc_sizeofitem)
|
|
|
2757 |
# undef stc_sizeofitem
|
|
|
2758 |
if(((sd->stc.flags & STCMODEL) == STCST800) &&
|
|
|
2759 |
( sd->color_info.num_components > 1 ))
|
|
|
2760 |
code = gs_error_rangecheck;
|
|
|
2761 |
|
|
|
2762 |
/*
|
|
|
2763 |
* reset Parameters related to the color-model, if it changed
|
|
|
2764 |
*/
|
|
|
2765 |
|
|
|
2766 |
if(sd->color_info.num_components != oldcolor.num_components) {
|
|
|
2767 |
|
|
|
2768 |
for(i = 0; i < sd->color_info.num_components; ++i) {
|
|
|
2769 |
sd->stc.extv[i] = (float *) defext;
|
|
|
2770 |
sd->stc.sizv[i] = countof(defext);
|
|
|
2771 |
|
|
|
2772 |
sd->stc.extc[i] = NULL;
|
|
|
2773 |
sd->stc.sizc[i] = 0;
|
|
|
2774 |
|
|
|
2775 |
}
|
|
|
2776 |
|
|
|
2777 |
sd->stc.am = NULL;
|
|
|
2778 |
|
|
|
2779 |
} else { /* guarantee, that extvals is present */
|
|
|
2780 |
|
|
|
2781 |
for(i = 0; i < sd->color_info.num_components; ++i) {
|
|
|
2782 |
if(sd->stc.sizv[i] < 2) {
|
|
|
2783 |
sd->stc.extv[i] = (float *) defext;
|
|
|
2784 |
sd->stc.sizv[i] = countof(defext);
|
|
|
2785 |
}
|
|
|
2786 |
}
|
|
|
2787 |
}
|
|
|
2788 |
|
|
|
2789 |
for(i = sd->color_info.num_components; i < 4; ++ i) { /* clear unused */
|
|
|
2790 |
sd->stc.extv[i] = NULL;
|
|
|
2791 |
sd->stc.sizv[i] = 0;
|
|
|
2792 |
sd->stc.vals[i] = NULL;
|
|
|
2793 |
|
|
|
2794 |
sd->stc.extc[i] = NULL;
|
|
|
2795 |
sd->stc.sizc[i] = 0;
|
|
|
2796 |
sd->stc.code[i] = NULL;
|
|
|
2797 |
|
|
|
2798 |
} /* clear unused */
|
|
|
2799 |
|
|
|
2800 |
/*
|
|
|
2801 |
* Guess default depth from range of values
|
|
|
2802 |
*/
|
|
|
2803 |
if((sd->stc.dither != oldstc.dither)||(oldstc.vals[0] == NULL)) {
|
|
|
2804 |
|
|
|
2805 |
if((sd->stc.dither->flags & STC_CMYK10) != 0) {
|
|
|
2806 |
|
|
|
2807 |
sd->stc.flags |= STCCMYK10;
|
|
|
2808 |
sd->stc.bits = 10;
|
|
|
2809 |
sd->color_info.depth = 32;
|
|
|
2810 |
|
|
|
2811 |
} else {
|
|
|
2812 |
|
|
|
2813 |
sd->stc.flags &= ~STCCMYK10;
|
|
|
2814 |
|
|
|
2815 |
if((sd->stc.dither->flags & STC_FLOAT) != STC_FLOAT) {
|
|
|
2816 |
fv = 2.0;
|
|
|
2817 |
for(i = 1;(i < gx_color_value_bits) &&
|
|
|
2818 |
(fv <= (sd->stc.dither->minmax[1]-sd->stc.dither->minmax[0]));
|
|
|
2819 |
++i) fv *= 2.0;
|
|
|
2820 |
|
|
|
2821 |
} else {
|
|
|
2822 |
i = 8; /* arbitrary */
|
|
|
2823 |
}
|
|
|
2824 |
|
|
|
2825 |
if((i*sd->color_info.num_components) > (sizeof(stc_pixel)*8)) {
|
|
|
2826 |
|
|
|
2827 |
sd->stc.bits = (sizeof(stc_pixel)*8) /
|
|
|
2828 |
sd->color_info.num_components;
|
|
|
2829 |
sd->color_info.depth = sd->stc.bits * sd->color_info.num_components;
|
|
|
2830 |
|
|
|
2831 |
} else {
|
|
|
2832 |
|
|
|
2833 |
sd->stc.bits = i;
|
|
|
2834 |
sd->color_info.depth = sd->stc.bits * sd->color_info.num_components;
|
|
|
2835 |
|
|
|
2836 |
}
|
|
|
2837 |
}
|
|
|
2838 |
}
|
|
|
2839 |
|
|
|
2840 |
} else {
|
|
|
2841 |
|
|
|
2842 |
code = gs_error_rangecheck;
|
|
|
2843 |
|
|
|
2844 |
} /* verify new value */
|
|
|
2845 |
if(code < 0) param_signal_error(plist,"Dithering",code);
|
|
|
2846 |
error = error > code ? code : error;
|
|
|
2847 |
|
|
|
2848 |
/*
|
|
|
2849 |
* now fetch the desired depth, if the algorithm allows it
|
|
|
2850 |
*/
|
|
|
2851 |
/*
|
|
|
2852 |
* Arrrgh: We get code == 0, even if nobody sets BitsPerPixel.
|
|
|
2853 |
* The value is the old one, but this may cause trouble
|
|
|
2854 |
* with CMYK10.
|
|
|
2855 |
*/
|
|
|
2856 |
code = param_read_int(plist, "BitsPerPixel", &i);
|
|
|
2857 |
if((error == 0) && (code == 0) &&
|
|
|
2858 |
(((sd->stc.flags & STCCMYK10) == 0) || (i != sd->color_info.depth))) {
|
|
|
2859 |
|
|
|
2860 |
if((1 > i) || (i > (sizeof(stc_pixel)*8)))
|
|
|
2861 |
code = gs_error_rangecheck;
|
|
|
2862 |
else
|
|
|
2863 |
sd->color_info.depth = i;
|
|
|
2864 |
|
|
|
2865 |
sd->stc.bits = i / sd->color_info.num_components;
|
|
|
2866 |
|
|
|
2867 |
if(1 > sd->stc.bits) code = gs_error_rangecheck;
|
|
|
2868 |
|
|
|
2869 |
if((sd->stc.dither->flags & STC_DIRECT) &&
|
|
|
2870 |
(sd->stc.dither->flags & STC_CMYK10))
|
|
|
2871 |
code = gs_error_rangecheck;
|
|
|
2872 |
else
|
|
|
2873 |
sd->stc.flags &= ~STCCMYK10;
|
|
|
2874 |
|
|
|
2875 |
}
|
|
|
2876 |
if(code < 0) param_signal_error(plist,"BitsPerPixel",code);
|
|
|
2877 |
error = error > code ? code : error;
|
|
|
2878 |
|
|
|
2879 |
/*
|
|
|
2880 |
* Fetch OutputCode
|
|
|
2881 |
*/
|
|
|
2882 |
code = param_read_string(plist,"OutputCode",&ps);
|
|
|
2883 |
if(code == 0) { /* Analyze the OutputCode-String */
|
|
|
2884 |
|
|
|
2885 |
for(l = ps.size; (l > 0) && (ps.data[l-1] == 0); --l);
|
|
|
2886 |
|
|
|
2887 |
sd->stc.flags &= ~STCCOMP;
|
|
|
2888 |
if(!stc_putcmp("plain")) sd->stc.flags |= STCPLAIN;
|
|
|
2889 |
else if(!stc_putcmp("deltarow")) sd->stc.flags |= STCDELTA;
|
|
|
2890 |
|
|
|
2891 |
} /* Analyze the OutputCode-String */
|
|
|
2892 |
if((sd->stc.flags & STCCOMP) == STCDELTA) {
|
|
|
2893 |
sd->stc.flags |= STCUWEAVE;
|
|
|
2894 |
sd->stc.flags &= ~STCNWEAVE;
|
|
|
2895 |
}
|
|
|
2896 |
if(code < 0) param_signal_error(plist,"OutputCode",code);
|
|
|
2897 |
error = error > code ? code : error;
|
|
|
2898 |
|
|
|
2899 |
/*
|
|
|
2900 |
* fetch the weave-mode (noWeave wins)
|
|
|
2901 |
*/
|
|
|
2902 |
b1 = sd->stc.flags & STCUWEAVE ? true : false;
|
|
|
2903 |
b2 = sd->stc.flags & STCNWEAVE ? true : false;
|
|
|
2904 |
b3 = sd->stc.flags & (STCUWEAVE|STCNWEAVE) ? false : true;
|
|
|
2905 |
|
|
|
2906 |
code = param_read_bool(plist,"Microweave",&b1);
|
|
|
2907 |
if(code < 0) {
|
|
|
2908 |
param_signal_error(plist,"Microweave",code);
|
|
|
2909 |
} else if(code == 0) {
|
|
|
2910 |
if(b1) { b2 = false; b3 = false; }
|
|
|
2911 |
}
|
|
|
2912 |
error = error > code ? code : error;
|
|
|
2913 |
|
|
|
2914 |
code = param_read_bool(plist,"noWeave",&b2);
|
|
|
2915 |
if(code < 0) {
|
|
|
2916 |
param_signal_error(plist,"noWeave",code);
|
|
|
2917 |
} else if (code == 0) {
|
|
|
2918 |
if(b2) { b1 = false; b3 = false; }
|
|
|
2919 |
}
|
|
|
2920 |
error = error > code ? code : error;
|
|
|
2921 |
|
|
|
2922 |
code = param_read_bool(plist,"Softweave",&b3);
|
|
|
2923 |
if(code < 0) {
|
|
|
2924 |
param_signal_error(plist,"Softweave",code);
|
|
|
2925 |
} else if (code == 0) {
|
|
|
2926 |
if(b3) { b1 = false; b2 = false; }
|
|
|
2927 |
}
|
|
|
2928 |
error = error > code ? code : error;
|
|
|
2929 |
|
|
|
2930 |
if(b1) sd->stc.flags |= STCUWEAVE;
|
|
|
2931 |
else sd->stc.flags &= ~STCUWEAVE;
|
|
|
2932 |
|
|
|
2933 |
if(b2) sd->stc.flags |= STCNWEAVE;
|
|
|
2934 |
else sd->stc.flags &= ~STCNWEAVE;
|
|
|
2935 |
|
|
|
2936 |
/*
|
|
|
2937 |
* Check the simple Flags
|
|
|
2938 |
*/
|
|
|
2939 |
# define stc_read_flag(Mask,Name) \
|
|
|
2940 |
code = param_read_bool(plist,Name,&b1); \
|
|
|
2941 |
if(code < 0) { \
|
|
|
2942 |
param_signal_error(plist,Name,code); \
|
|
|
2943 |
} else if(code == 0) { \
|
|
|
2944 |
if(b1 == true) sd->stc.flags |= Mask; \
|
|
|
2945 |
else sd->stc.flags &= ~(Mask); \
|
|
|
2946 |
} \
|
|
|
2947 |
error = error > code ? code : error;
|
|
|
2948 |
|
|
|
2949 |
stc_read_flag(STCUNIDIR,"Unidirectional")
|
|
|
2950 |
stc_read_flag(STCDFLAG0, "Flag0")
|
|
|
2951 |
stc_read_flag(STCDFLAG1, "Flag1")
|
|
|
2952 |
stc_read_flag(STCDFLAG2, "Flag2")
|
|
|
2953 |
stc_read_flag(STCDFLAG3, "Flag3")
|
|
|
2954 |
stc_read_flag(STCDFLAG4, "Flag4")
|
|
|
2955 |
|
|
|
2956 |
/*
|
|
|
2957 |
* Now deal with the escp-Stuff
|
|
|
2958 |
*/
|
|
|
2959 |
# define stc_read_int(Mask,Name,Val) \
|
|
|
2960 |
code = param_read_int(plist,Name,&Val); \
|
|
|
2961 |
if(code < 0) \
|
|
|
2962 |
param_signal_error(plist,Name,code); \
|
|
|
2963 |
else if(code == 0) \
|
|
|
2964 |
sd->stc.flags |= Mask; \
|
|
|
2965 |
error = error > code ? code : error
|
|
|
2966 |
|
|
|
2967 |
stc_read_int(STCBAND, "escp_Band", sd->stc.escp_m);
|
|
|
2968 |
stc_read_int(STCWIDTH, "escp_Width", sd->stc.escp_width);
|
|
|
2969 |
stc_read_int(STCHEIGHT,"escp_Height",sd->stc.escp_height);
|
|
|
2970 |
stc_read_int(STCTOP, "escp_Top", sd->stc.escp_top);
|
|
|
2971 |
stc_read_int(STCBOTTOM,"escp_Bottom",sd->stc.escp_bottom);
|
|
|
2972 |
|
|
|
2973 |
# undef stc_read_int
|
|
|
2974 |
|
|
|
2975 |
code = param_read_string(plist,"escp_Init",&sd->stc.escp_init);
|
|
|
2976 |
if(code == 0) sd->stc.flags |= STCINIT;
|
|
|
2977 |
error = error > code ? code : error;
|
|
|
2978 |
|
|
|
2979 |
code = param_read_string(plist,"escp_Release",&sd->stc.escp_release);
|
|
|
2980 |
if(code == 0) sd->stc.flags |= STCRELEASE;
|
|
|
2981 |
error = error > code ? code : error;
|
|
|
2982 |
|
|
|
2983 |
/*
|
|
|
2984 |
* ColorAdjustMatrix must match the required size,
|
|
|
2985 |
* setting it explicitly to null, erases old matrix
|
|
|
2986 |
*/
|
|
|
2987 |
code = param_read_float_array(plist,"ColorAdjustMatrix",&pfa);
|
|
|
2988 |
if((error == 0) && (code == 0)) {
|
|
|
2989 |
if(((sd->color_info.num_components == 1) && (pfa.size == 3)) ||
|
|
|
2990 |
((sd->color_info.num_components == 3) && (pfa.size == 9)) ||
|
|
|
2991 |
((sd->color_info.num_components == 4) && (pfa.size == 16)))
|
|
|
2992 |
sd->stc.am = (float *) pfa.data;
|
|
|
2993 |
else
|
|
|
2994 |
code = gs_error_rangecheck;
|
|
|
2995 |
} else if(code < 0) {
|
|
|
2996 |
code = param_read_null(plist,"ColorAdjustMatrix");
|
|
|
2997 |
if(code == 0) sd->stc.am = NULL;
|
|
|
2998 |
}
|
|
|
2999 |
if(code < 0) param_signal_error(plist,"ColorAdjustMatrix",code);
|
|
|
3000 |
error = error > code ? code : error;
|
|
|
3001 |
|
|
|
3002 |
/*
|
|
|
3003 |
* Read the external array-Parameters
|
|
|
3004 |
*/
|
|
|
3005 |
if(sd->color_info.num_components == 1) { /* DeviceGray */
|
|
|
3006 |
|
|
|
3007 |
stc_read_xarray(0,"Kcoding","Ktransfer");
|
|
|
3008 |
|
|
|
3009 |
stc_read_null("Rcoding"); stc_read_null("Rtransfer");
|
|
|
3010 |
stc_read_null("Gcoding"); stc_read_null("Gtransfer");
|
|
|
3011 |
stc_read_null("Bcoding"); stc_read_null("Btransfer");
|
|
|
3012 |
|
|
|
3013 |
stc_read_null("Ccoding"); stc_read_null("Ctransfer");
|
|
|
3014 |
stc_read_null("Mcoding"); stc_read_null("Mtransfer");
|
|
|
3015 |
stc_read_null("Ycoding"); stc_read_null("Ytransfer");
|
|
|
3016 |
|
|
|
3017 |
} else if(sd->color_info.num_components == 3) { /* DeviceRGB */
|
|
|
3018 |
|
|
|
3019 |
stc_read_xarray(0,"Rcoding","Rtransfer");
|
|
|
3020 |
stc_read_xarray(1,"Gcoding","Gtransfer");
|
|
|
3021 |
stc_read_xarray(2,"Bcoding","Btransfer");
|
|
|
3022 |
|
|
|
3023 |
stc_read_null("Ccoding"); stc_read_null("Ctransfer");
|
|
|
3024 |
stc_read_null("Mcoding"); stc_read_null("Mtransfer");
|
|
|
3025 |
stc_read_null("Ycoding"); stc_read_null("Ytransfer");
|
|
|
3026 |
stc_read_null("Kcoding"); stc_read_null("Ktransfer");
|
|
|
3027 |
|
|
|
3028 |
} else { /* DeviceCMYK */
|
|
|
3029 |
|
|
|
3030 |
stc_read_xarray(0,"Ccoding","Ctransfer");
|
|
|
3031 |
stc_read_xarray(1,"Mcoding","Mtransfer");
|
|
|
3032 |
stc_read_xarray(2,"Ycoding","Ytransfer");
|
|
|
3033 |
stc_read_xarray(3,"Kcoding","Ktransfer");
|
|
|
3034 |
|
|
|
3035 |
stc_read_null("Rcoding"); stc_read_null("Rtransfer");
|
|
|
3036 |
stc_read_null("Gcoding"); stc_read_null("Gtransfer");
|
|
|
3037 |
stc_read_null("Bcoding"); stc_read_null("Btransfer");
|
|
|
3038 |
|
|
|
3039 |
}
|
|
|
3040 |
/*
|
|
|
3041 |
* Update remaining color_info values
|
|
|
3042 |
*/
|
|
|
3043 |
if(error == 0) {
|
|
|
3044 |
|
|
|
3045 |
/* compute #values from the component-bits */
|
|
|
3046 |
sd->color_info.max_gray = sd->stc.bits < gx_color_value_bits ?
|
|
|
3047 |
(1<<sd->stc.bits)-1 : gx_max_color_value;
|
|
|
3048 |
|
|
|
3049 |
/* An integer-algorithm might reduce the number of values */
|
|
|
3050 |
if(((sd->stc.dither->flags & STC_TYPE) != STC_FLOAT) &&
|
|
|
3051 |
((sd->stc.dither->minmax[1]-sd->stc.dither->minmax[0]) <
|
|
|
3052 |
sd->color_info.max_gray))
|
|
|
3053 |
sd->color_info.max_gray = (gx_color_value)
|
|
|
3054 |
(sd->stc.dither->minmax[1]-sd->stc.dither->minmax[0]+0.5);
|
|
|
3055 |
|
|
|
3056 |
sd->color_info.max_color = sd->color_info.num_components < 3 ? 0 :
|
|
|
3057 |
sd->color_info.max_gray;
|
|
|
3058 |
sd->color_info.dither_grays =
|
|
|
3059 |
sd->color_info.max_gray < gx_max_color_value ?
|
|
|
3060 |
sd->color_info.max_gray+1 : gx_max_color_value;
|
|
|
3061 |
sd->color_info.dither_colors = sd->color_info.num_components < 3 ? 0 :
|
|
|
3062 |
sd->color_info.dither_grays;
|
|
|
3063 |
}
|
|
|
3064 |
|
|
|
3065 |
/*
|
|
|
3066 |
* Call superclass-Update
|
|
|
3067 |
*/
|
|
|
3068 |
|
|
|
3069 |
code = gdev_prn_put_params(pdev, plist);
|
|
|
3070 |
error = error > code ? code : error;
|
|
|
3071 |
|
|
|
3072 |
/*
|
|
|
3073 |
* Arrrgh, writing BitsPerPixel is really *VERY* special:
|
|
|
3074 |
* gdev_prn_put_params verifies, that the external value
|
|
|
3075 |
* is written, if not, it raises a rangecheck-error.
|
|
|
3076 |
* On the other hand ghostscript is quite unhappy with odd
|
|
|
3077 |
* values, so we do the necessary rounding *AFTER* the
|
|
|
3078 |
* "superclass-Update".
|
|
|
3079 |
*/
|
|
|
3080 |
|
|
|
3081 |
if(sd->color_info.depth == 3) sd->color_info.depth = 4;
|
|
|
3082 |
else if(sd->color_info.depth > 4)
|
|
|
3083 |
sd->color_info.depth = (sd->color_info.depth+7) & ~7;
|
|
|
3084 |
|
|
|
3085 |
/*
|
|
|
3086 |
* Allocate the storage for the arrays in memory
|
|
|
3087 |
*/
|
|
|
3088 |
if(error == 0) { /* Allocate new external-arrays */
|
|
|
3089 |
|
|
|
3090 |
for(i = 0; i < sd->color_info.num_components; ++i){ /* Active components */
|
|
|
3091 |
int j;
|
|
|
3092 |
|
|
|
3093 |
if((sd->stc.extv[i] != oldstc.extv[i]) &&
|
|
|
3094 |
(sd->stc.extv[i] != defext )) { /* Value-Arrays */
|
|
|
3095 |
|
|
|
3096 |
for(j = 0; j < i; ++j)
|
|
|
3097 |
if((sd->stc.sizv[j] == sd->stc.sizv[i]) &&
|
|
|
3098 |
(memcmp(sd->stc.extv[j],sd->stc.extv[i],
|
|
|
3099 |
sd->stc.sizv[i]*sizeof(float)) == 0)) break;
|
|
|
3100 |
|
|
|
3101 |
if(j < i) {
|
|
|
3102 |
sd->stc.extv[i] = sd->stc.extv[j];
|
|
|
3103 |
} else {
|
|
|
3104 |
fp = gs_malloc(sd->memory, sd->stc.sizv[i],sizeof(float),"stc_put_params");
|
|
|
3105 |
if(fp != NULL)
|
|
|
3106 |
memcpy(fp,sd->stc.extv[i],sd->stc.sizv[i]*sizeof(float));
|
|
|
3107 |
else
|
|
|
3108 |
code = gs_error_VMerror;
|
|
|
3109 |
sd->stc.extv[i] = fp;
|
|
|
3110 |
}
|
|
|
3111 |
} /* Value-Arrays */
|
|
|
3112 |
|
|
|
3113 |
if((sd->stc.sizc[i] > 1) &&
|
|
|
3114 |
(sd->stc.extc[i] != oldstc.extc[i])) { /* Code-Arrays */
|
|
|
3115 |
|
|
|
3116 |
for(j = 0; j < i; ++j)
|
|
|
3117 |
if((sd->stc.sizc[j] == sd->stc.sizc[i]) &&
|
|
|
3118 |
(memcmp(sd->stc.extc[j],sd->stc.extc[i],
|
|
|
3119 |
sd->stc.sizc[i]*sizeof(float)) == 0)) break;
|
|
|
3120 |
|
|
|
3121 |
if(j < i) {
|
|
|
3122 |
sd->stc.extc[i] = sd->stc.extc[j];
|
|
|
3123 |
} else {
|
|
|
3124 |
fp = gs_malloc(sd->memory, sd->stc.sizc[i],sizeof(float),"stc_put_params");
|
|
|
3125 |
if(fp != NULL)
|
|
|
3126 |
memcpy(fp,sd->stc.extc[i],sd->stc.sizc[i]*sizeof(float));
|
|
|
3127 |
else
|
|
|
3128 |
code = gs_error_VMerror;
|
|
|
3129 |
sd->stc.extc[i] = fp;
|
|
|
3130 |
}
|
|
|
3131 |
} /* Code-Arrays */
|
|
|
3132 |
|
|
|
3133 |
} /* Active components */
|
|
|
3134 |
|
|
|
3135 |
if((sd->stc.am != NULL) && (sd->stc.am != oldstc.am)) {
|
|
|
3136 |
if( sd->color_info.num_components == 1) i = 3;
|
|
|
3137 |
else if(sd->color_info.num_components == 3) i = 9;
|
|
|
3138 |
else i = 16;
|
|
|
3139 |
fp = gs_malloc(sd->memory, i,sizeof(float),"stc_put_params");
|
|
|
3140 |
if(fp != NULL) memcpy(fp,sd->stc.am,i*sizeof(float));
|
|
|
3141 |
else code = gs_error_VMerror;
|
|
|
3142 |
sd->stc.am = fp;
|
|
|
3143 |
}
|
|
|
3144 |
|
|
|
3145 |
if(sd->stc.escp_init.data != oldstc.escp_init.data) {
|
|
|
3146 |
byte *ip = NULL;
|
|
|
3147 |
|
|
|
3148 |
if(sd->stc.escp_init.size > 0) {
|
|
|
3149 |
ip = gs_malloc(sd->memory, sd->stc.escp_init.size,1,"stcolor/init");
|
|
|
3150 |
if(ip == NULL) {
|
|
|
3151 |
code = gs_error_VMerror;
|
|
|
3152 |
sd->stc.escp_init.size = 0;
|
|
|
3153 |
} else {
|
|
|
3154 |
memcpy(ip,sd->stc.escp_init.data,sd->stc.escp_init.size);
|
|
|
3155 |
}
|
|
|
3156 |
}
|
|
|
3157 |
sd->stc.escp_init.data = ip;
|
|
|
3158 |
sd->stc.escp_init.persistent = false;
|
|
|
3159 |
}
|
|
|
3160 |
|
|
|
3161 |
if(sd->stc.escp_release.data != oldstc.escp_release.data) {
|
|
|
3162 |
byte *ip = NULL;
|
|
|
3163 |
|
|
|
3164 |
if(sd->stc.escp_release.size > 0) {
|
|
|
3165 |
ip = gs_malloc(sd->memory, sd->stc.escp_release.size,1,"stcolor/release");
|
|
|
3166 |
if(ip == NULL) {
|
|
|
3167 |
code = gs_error_VMerror;
|
|
|
3168 |
sd->stc.escp_release.size = 0;
|
|
|
3169 |
} else {
|
|
|
3170 |
memcpy(ip,sd->stc.escp_release.data,sd->stc.escp_release.size);
|
|
|
3171 |
}
|
|
|
3172 |
}
|
|
|
3173 |
sd->stc.escp_release.data = ip;
|
|
|
3174 |
sd->stc.escp_release.persistent = false;
|
|
|
3175 |
}
|
|
|
3176 |
|
|
|
3177 |
if(code < 0) { /* free newly allocated arrays */
|
|
|
3178 |
|
|
|
3179 |
if((sd->stc.am != NULL) && (sd->stc.am != oldstc.am)) {
|
|
|
3180 |
if( sd->color_info.num_components == 1) i = 3;
|
|
|
3181 |
else if(sd->color_info.num_components == 3) i = 9;
|
|
|
3182 |
else i = 16;
|
|
|
3183 |
gs_free(sd->memory, sd->stc.am,i,sizeof(float),"stc_put_params");
|
|
|
3184 |
}
|
|
|
3185 |
|
|
|
3186 |
if((sd->stc.escp_init.data != NULL) &&
|
|
|
3187 |
(sd->stc.escp_init.data != oldstc.escp_init.data))
|
|
|
3188 |
gs_free(sd->memory, (byte *) sd->stc.escp_init.data,sd->stc.escp_init.size,1,
|
|
|
3189 |
"stcolor/init");
|
|
|
3190 |
|
|
|
3191 |
if((sd->stc.escp_release.data != NULL) &&
|
|
|
3192 |
(sd->stc.escp_release.data != oldstc.escp_release.data))
|
|
|
3193 |
gs_free(sd->memory, (byte *) sd->stc.escp_release.data,sd->stc.escp_release.
|
|
|
3194 |
size,1,"stcolor/release");
|
|
|
3195 |
|
|
|
3196 |
for(i = 0; i < sd->color_info.num_components; ++i) { /* components */
|
|
|
3197 |
int j;
|
|
|
3198 |
|
|
|
3199 |
if((sd->stc.extc[i] != NULL) &&
|
|
|
3200 |
(sd->stc.extc[i] != defext) &&
|
|
|
3201 |
(sd->stc.extc[i] != oldstc.extc[i])) {
|
|
|
3202 |
|
|
|
3203 |
for(j = 0; j < i; ++j)
|
|
|
3204 |
if(sd->stc.extc[i] == sd->stc.extc[j]) break;
|
|
|
3205 |
|
|
|
3206 |
if(i == j) gs_free(sd->memory, sd->stc.extc[i],sd->stc.sizc[i],sizeof(float),
|
|
|
3207 |
"stc_put_params");
|
|
|
3208 |
}
|
|
|
3209 |
|
|
|
3210 |
if((sd->stc.extv[i] != NULL) &&
|
|
|
3211 |
(sd->stc.extv[i] != oldstc.extv[i]) &&
|
|
|
3212 |
(sd->stc.extv[i] != defext)) {
|
|
|
3213 |
|
|
|
3214 |
for(j = 0; j < i; ++j)
|
|
|
3215 |
if(sd->stc.extv[i] == sd->stc.extv[j]) break;
|
|
|
3216 |
|
|
|
3217 |
if(i == j) gs_free(sd->memory, sd->stc.extv[i],sd->stc.sizv[i],sizeof(float),
|
|
|
3218 |
"stc_put_params");
|
|
|
3219 |
}
|
|
|
3220 |
} /* components */
|
|
|
3221 |
} /* free newly allocated arrays */
|
|
|
3222 |
} /* Allocate new arrays */
|
|
|
3223 |
error = error > code ? code : error;
|
|
|
3224 |
|
|
|
3225 |
/*
|
|
|
3226 |
* finally decide upon restore or release of old, unused data
|
|
|
3227 |
*/
|
|
|
3228 |
if(error != 0) { /* Undo changes */
|
|
|
3229 |
|
|
|
3230 |
memcpy(&sd->color_info,&oldcolor,sizeof(oldcolor));
|
|
|
3231 |
memcpy(&sd->stc ,&oldstc ,sizeof(oldstc ));
|
|
|
3232 |
} else { /* undo / release */
|
|
|
3233 |
|
|
|
3234 |
if((oldstc.escp_init.data != NULL) &&
|
|
|
3235 |
(oldstc.escp_init.data != sd->stc.escp_init.data)) {
|
|
|
3236 |
gs_free(sd->memory, (byte *)oldstc.escp_init.data,
|
|
|
3237 |
oldstc.escp_init.size,1,"stcolor/init");
|
|
|
3238 |
}
|
|
|
3239 |
|
|
|
3240 |
if((oldstc.escp_release.data != NULL) &&
|
|
|
3241 |
(oldstc.escp_release.data != sd->stc.escp_release.data)) {
|
|
|
3242 |
gs_free(sd->memory, (byte *)oldstc.escp_release.data,
|
|
|
3243 |
oldstc.escp_release.size,1,"stcolor/release");
|
|
|
3244 |
}
|
|
|
3245 |
|
|
|
3246 |
if((oldstc.am != NULL) && (oldstc.am != sd->stc.am)) {
|
|
|
3247 |
if( oldcolor.num_components == 1) i = 3;
|
|
|
3248 |
else if(oldcolor.num_components == 3) i = 9;
|
|
|
3249 |
else i = 16;
|
|
|
3250 |
gs_free(sd->memory, oldstc.am,i,sizeof(float),"stc_put_params");
|
|
|
3251 |
}
|
|
|
3252 |
|
|
|
3253 |
for(i = 0; i < 4; ++i) {
|
|
|
3254 |
int j;
|
|
|
3255 |
|
|
|
3256 |
if((oldstc.extc[i] != NULL) &&
|
|
|
3257 |
(oldstc.extc[i] != sd->stc.extc[i]) &&
|
|
|
3258 |
(oldstc.dither != NULL) &&
|
|
|
3259 |
(oldstc.extc[i] != defext)) {
|
|
|
3260 |
|
|
|
3261 |
for(j = 0; j < i; ++j) if(oldstc.extc[i] == oldstc.extc[j]) break;
|
|
|
3262 |
|
|
|
3263 |
if(i == j) gs_free(sd->memory, oldstc.extc[i],oldstc.sizc[i],sizeof(float),
|
|
|
3264 |
"stc_put_params");
|
|
|
3265 |
}
|
|
|
3266 |
|
|
|
3267 |
if((oldstc.extv[i] != NULL) &&
|
|
|
3268 |
(oldstc.extv[i] != sd->stc.extv[i]) &&
|
|
|
3269 |
(oldstc.extv[i] != defext)) {
|
|
|
3270 |
|
|
|
3271 |
for(j = 0; j < i; ++j) if(oldstc.extv[i] == oldstc.extv[j]) break;
|
|
|
3272 |
|
|
|
3273 |
if(i == j) gs_free(sd->memory, oldstc.extv[i],oldstc.sizv[i],sizeof(float),
|
|
|
3274 |
"stc_put_params");
|
|
|
3275 |
}
|
|
|
3276 |
}
|
|
|
3277 |
|
|
|
3278 |
/*
|
|
|
3279 |
* Close the device if colormodel changed or recomputation
|
|
|
3280 |
* of internal arrays is required
|
|
|
3281 |
*/
|
|
|
3282 |
if(sd->is_open) { /* we might need to close it */
|
|
|
3283 |
bool doclose = false;
|
|
|
3284 |
if((sd->color_info.num_components != oldcolor.num_components) ||
|
|
|
3285 |
(sd->color_info.depth != oldcolor.depth ) ||
|
|
|
3286 |
(sd->stc.bits != oldstc.bits ) ||
|
|
|
3287 |
(sd->stc.dither != oldstc.dither ))
|
|
|
3288 |
doclose = true;
|
|
|
3289 |
|
|
|
3290 |
for(i = 0; i < sd->color_info.num_components; ++i) {
|
|
|
3291 |
if(sd->stc.extv[i] != oldstc.extv[i]) doclose = true;
|
|
|
3292 |
if(sd->stc.extc[i] != oldstc.extc[i]) doclose = true;
|
|
|
3293 |
}
|
|
|
3294 |
if(doclose) {
|
|
|
3295 |
stc_freedata(pdev->memory, &oldstc);
|
|
|
3296 |
for(i = 0; i < 4; ++i) {
|
|
|
3297 |
sd->stc.vals[i] = NULL;
|
|
|
3298 |
sd->stc.code[i] = NULL;
|
|
|
3299 |
}
|
|
|
3300 |
|
|
|
3301 |
gs_closedevice(pdev);
|
|
|
3302 |
}
|
|
|
3303 |
} /* we might need to close it */
|
|
|
3304 |
|
|
|
3305 |
}
|
|
|
3306 |
|
|
|
3307 |
return error;
|
|
|
3308 |
}
|
|
|
3309 |
/*
|
|
|
3310 |
* 1Bit CMYK-Algorithm
|
|
|
3311 |
*/
|
|
|
3312 |
|
|
|
3313 |
private int
|
|
|
3314 |
stc_gscmyk(stcolor_device *sdev,int npixel,byte *in,byte *buf,byte *out)
|
|
|
3315 |
{
|
|
|
3316 |
|
|
|
3317 |
byte *ip = in;
|
|
|
3318 |
int error = 0;
|
|
|
3319 |
|
|
|
3320 |
|
|
|
3321 |
/* ============================================================= */
|
|
|
3322 |
if(npixel > 0) { /* npixel > 0 -> scanline-processing */
|
|
|
3323 |
/* ============================================================= */
|
|
|
3324 |
|
|
|
3325 |
int p;
|
|
|
3326 |
|
|
|
3327 |
/*
|
|
|
3328 |
* simply split the two pixels rsiding in a byte
|
|
|
3329 |
*/
|
|
|
3330 |
for(p = npixel; p > 0; --p) { /* loop over pixels */
|
|
|
3331 |
byte tmp =*ip++;
|
|
|
3332 |
|
|
|
3333 |
*out++ = (tmp>>4) & 15;
|
|
|
3334 |
if(--p <= 0) break;
|
|
|
3335 |
|
|
|
3336 |
*out++ = tmp & 15;
|
|
|
3337 |
|
|
|
3338 |
} /* loop over pixels */
|
|
|
3339 |
|
|
|
3340 |
/* ============================================================= */
|
|
|
3341 |
} else { /* npixel <= 0 -> initialisation */
|
|
|
3342 |
/* ============================================================= */
|
|
|
3343 |
|
|
|
3344 |
/* we didn't check for the white-calls above, so this may cause errors */
|
|
|
3345 |
if(sdev->stc.dither->flags & STC_WHITE) error = -1;
|
|
|
3346 |
|
|
|
3347 |
/* if we're not setup for bytes, this is an error too */
|
|
|
3348 |
if((sdev->stc.dither->flags & STC_TYPE) != STC_BYTE) error = -2;
|
|
|
3349 |
|
|
|
3350 |
/* This IS a direct-driver, so STC_DIRECT must be set! */
|
|
|
3351 |
if((sdev->stc.dither->flags & STC_DIRECT) == 0) error = -3;
|
|
|
3352 |
|
|
|
3353 |
/* and cmyk-mode is the only supported mode */
|
|
|
3354 |
if(sdev->color_info.num_components != 4) error = -4;
|
|
|
3355 |
|
|
|
3356 |
/* and we support only 4Bit-Depth here */
|
|
|
3357 |
if(sdev->color_info.depth != 4) error = -5;
|
|
|
3358 |
|
|
|
3359 |
/* ============================================================= */
|
|
|
3360 |
} /* scanline-processing or initialisation */
|
|
|
3361 |
/* ============================================================= */
|
|
|
3362 |
|
|
|
3363 |
return error;
|
|
|
3364 |
}
|
|
|
3365 |
|
|
|
3366 |
/*
|
|
|
3367 |
* The following is an algorithm under test
|
|
|
3368 |
*/
|
|
|
3369 |
private int
|
|
|
3370 |
stc_hscmyk(stcolor_device *sdev,int npixel,byte *in,byte *buf,byte *out)
|
|
|
3371 |
{
|
|
|
3372 |
|
|
|
3373 |
/* ============================================================= */
|
|
|
3374 |
if(npixel < 0) { /* npixel <= 0 -> initialisation */
|
|
|
3375 |
/* ============================================================= */
|
|
|
3376 |
|
|
|
3377 |
int i,i2do;
|
|
|
3378 |
long *lp = (long *) buf;
|
|
|
3379 |
|
|
|
3380 |
/* CMYK-only algorithm */
|
|
|
3381 |
if( sdev->color_info.num_components != 4) return -1;
|
|
|
3382 |
|
|
|
3383 |
/*
|
|
|
3384 |
* check wether stcdither & TYPE are correct
|
|
|
3385 |
*/
|
|
|
3386 |
if(( sdev->stc.dither == NULL) ||
|
|
|
3387 |
((sdev->stc.dither->flags & STC_TYPE) != STC_LONG)) return -2;
|
|
|
3388 |
|
|
|
3389 |
/*
|
|
|
3390 |
* check wether the buffer-size is sufficiently large
|
|
|
3391 |
*/
|
|
|
3392 |
if(((sdev->stc.dither->flags/STC_SCAN) < 1) ||
|
|
|
3393 |
( sdev->stc.dither->bufadd <
|
|
|
3394 |
(1 + 2*sdev->color_info.num_components))) return -3;
|
|
|
3395 |
|
|
|
3396 |
/*
|
|
|
3397 |
* must have STC_CMYK10, STC_DIRECT, but not STC_WHITE
|
|
|
3398 |
*/
|
|
|
3399 |
if((sdev->stc.dither->flags & STC_CMYK10) == 0) return -4;
|
|
|
3400 |
if((sdev->stc.dither->flags & STC_DIRECT) == 0) return -5;
|
|
|
3401 |
if((sdev->stc.dither->flags & STC_WHITE ) != 0) return -6;
|
|
|
3402 |
|
|
|
3403 |
/*
|
|
|
3404 |
* Must have values between 0-1023.0
|
|
|
3405 |
*/
|
|
|
3406 |
if((sdev->stc.dither->minmax[0] != 0.0) ||
|
|
|
3407 |
(sdev->stc.dither->minmax[1] != 1023.0)) return -7;
|
|
|
3408 |
/*
|
|
|
3409 |
* initialize buffer
|
|
|
3410 |
*/
|
|
|
3411 |
|
|
|
3412 |
i2do = 1 + 8 - 4 * npixel;
|
|
|
3413 |
lp[0] = 0;
|
|
|
3414 |
|
|
|
3415 |
if(sdev->stc.flags & STCDFLAG0) {
|
|
|
3416 |
for(i = 1; i < i2do; ++i) lp[i] = 0;
|
|
|
3417 |
} else {
|
|
|
3418 |
for(i = 1; i < i2do; ++i) lp[i] = (rand() % 381) - 190;
|
|
|
3419 |
}
|
|
|
3420 |
|
|
|
3421 |
/* ============================================================= */
|
|
|
3422 |
} else { /* npixel > 0 && in != NULL -> scanline-processing */
|
|
|
3423 |
/* ============================================================= */
|
|
|
3424 |
|
|
|
3425 |
long errc[4],*errv;
|
|
|
3426 |
int step = buf[0] ? -1 : 1;
|
|
|
3427 |
stc_pixel *ip = (stc_pixel *) in;
|
|
|
3428 |
|
|
|
3429 |
buf[0] = ~ buf[0];
|
|
|
3430 |
errv = (long *) buf + 5;
|
|
|
3431 |
|
|
|
3432 |
if(step < 0) {
|
|
|
3433 |
ip += npixel-1;
|
|
|
3434 |
out += npixel-1;
|
|
|
3435 |
errv += 4*(npixel-1);
|
|
|
3436 |
}
|
|
|
3437 |
|
|
|
3438 |
errc[0] = 0; errc[1] = 0; errc[2] = 0; errc[3] = 0;
|
|
|
3439 |
|
|
|
3440 |
while(npixel-- > 0) {
|
|
|
3441 |
|
|
|
3442 |
register stc_pixel ci,mode;
|
|
|
3443 |
register long k,v,n;
|
|
|
3444 |
register int pixel; /* internal pixel-value */
|
|
|
3445 |
|
|
|
3446 |
ci = *ip; ip += step;
|
|
|
3447 |
|
|
|
3448 |
mode = ci & 3;
|
|
|
3449 |
k = (ci>>2) & 0x3ff;
|
|
|
3450 |
pixel = 0;
|
|
|
3451 |
|
|
|
3452 |
v = k+errv[3]+((7*errc[3])>>4);
|
|
|
3453 |
|
|
|
3454 |
if(mode == 3) { /* only Black allowed to fire */
|
|
|
3455 |
|
|
|
3456 |
if(v > 511) {
|
|
|
3457 |
v -= 1023;
|
|
|
3458 |
pixel = BLACK;
|
|
|
3459 |
}
|
|
|
3460 |
errv[3-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3461 |
errv[3] = ((5*v+errc[3]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3462 |
errc[3] = v;
|
|
|
3463 |
|
|
|
3464 |
errv[0] = errv[0] < -190 ? -190 : errv[0] < 190 ? errv[0] : 190;
|
|
|
3465 |
errv[1] = errv[1] < -190 ? -190 : errv[1] < 190 ? errv[1] : 190;
|
|
|
3466 |
errv[2] = errv[2] < -190 ? -190 : errv[2] < 190 ? errv[2] : 190;
|
|
|
3467 |
|
|
|
3468 |
errc[0] = 0; errc[1] = 0; errc[2] = 0;
|
|
|
3469 |
|
|
|
3470 |
} else if(v > 511) { /* black known to fire */
|
|
|
3471 |
|
|
|
3472 |
v -= 1023;
|
|
|
3473 |
pixel = BLACK;
|
|
|
3474 |
|
|
|
3475 |
errv[3-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3476 |
errv[3] = ((5*v+errc[3]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3477 |
errc[3] = v;
|
|
|
3478 |
|
|
|
3479 |
n = (ci>>12) & 0x3ff;
|
|
|
3480 |
|
|
|
3481 |
if(mode == 2) { v = k; }
|
|
|
3482 |
else { v = n; n = (ci>>22) & 0x3ff; }
|
|
|
3483 |
|
|
|
3484 |
v += errv[2]+((7*errc[2])>>4)-1023;
|
|
|
3485 |
if(v < -511) v = -511;
|
|
|
3486 |
errv[2-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3487 |
errv[2] = ((5*v+errc[2]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3488 |
errc[2] = v;
|
|
|
3489 |
|
|
|
3490 |
if(mode == 1) { v = k; }
|
|
|
3491 |
else { v = n; n = (ci>>22) & 0x3ff; }
|
|
|
3492 |
|
|
|
3493 |
v += errv[1]+((7*errc[1])>>4)-1023;
|
|
|
3494 |
if(v < -511) v = -511;
|
|
|
3495 |
errv[1-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3496 |
errv[1] = ((5*v+errc[1]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3497 |
errc[1] = v;
|
|
|
3498 |
|
|
|
3499 |
if(mode == 0) v = k;
|
|
|
3500 |
else v = n;
|
|
|
3501 |
|
|
|
3502 |
v += errv[0]+((7*errc[0])>>4)-1023;
|
|
|
3503 |
if(v < -511) v = -511;
|
|
|
3504 |
errv[0-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3505 |
errv[0] = ((5*v+errc[0]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3506 |
errc[0] = v;
|
|
|
3507 |
|
|
|
3508 |
} else { /* Black does not fire initially */
|
|
|
3509 |
|
|
|
3510 |
long kv = v; /* Black computed after colors */
|
|
|
3511 |
|
|
|
3512 |
n = (ci>>12) & 0x3ff;
|
|
|
3513 |
|
|
|
3514 |
if(mode == 2) { v = k; }
|
|
|
3515 |
else { v = n; n = (ci>>22) & 0x3ff; }
|
|
|
3516 |
|
|
|
3517 |
v += errv[2]+((7*errc[2])>>4);
|
|
|
3518 |
if(v > 511) {
|
|
|
3519 |
pixel |= YELLOW;
|
|
|
3520 |
v -= 1023;
|
|
|
3521 |
}
|
|
|
3522 |
errv[2-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3523 |
errv[2] = ((5*v+errc[2]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3524 |
errc[2] = v;
|
|
|
3525 |
|
|
|
3526 |
if(mode == 1) { v = k; }
|
|
|
3527 |
else { v = n; n = (ci>>22) & 0x3ff; }
|
|
|
3528 |
|
|
|
3529 |
v += errv[1]+((7*errc[1])>>4);
|
|
|
3530 |
if(v > 511) {
|
|
|
3531 |
pixel |= MAGENTA;
|
|
|
3532 |
v -= 1023;
|
|
|
3533 |
}
|
|
|
3534 |
errv[1-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3535 |
errv[1] = ((5*v+errc[1]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3536 |
errc[1] = v;
|
|
|
3537 |
|
|
|
3538 |
if(mode == 0) v = k;
|
|
|
3539 |
else v = n;
|
|
|
3540 |
|
|
|
3541 |
v += errv[0]+((7*errc[0])>>4);
|
|
|
3542 |
if(v > 511) {
|
|
|
3543 |
pixel |= CYAN;
|
|
|
3544 |
v -= 1023;
|
|
|
3545 |
}
|
|
|
3546 |
errv[0-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3547 |
errv[0] = ((5*v+errc[0]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3548 |
errc[0] = v;
|
|
|
3549 |
|
|
|
3550 |
v = kv;
|
|
|
3551 |
if(pixel == (CYAN|MAGENTA|YELLOW)) {
|
|
|
3552 |
pixel = BLACK;
|
|
|
3553 |
v = v > 511 ? v-1023 : -511;
|
|
|
3554 |
}
|
|
|
3555 |
errv[3-(step<<2)] += ((3*v+8)>>4); /* 3/16 */
|
|
|
3556 |
errv[3] = ((5*v+errc[3]+8)>>4);/* 5/16 +1/16 (rest) */
|
|
|
3557 |
errc[3] = v;
|
|
|
3558 |
|
|
|
3559 |
}
|
|
|
3560 |
|
|
|
3561 |
errv += step<<2;
|
|
|
3562 |
*out = pixel; out += step;
|
|
|
3563 |
|
|
|
3564 |
} /* loop over pixels */
|
|
|
3565 |
|
|
|
3566 |
/* ============================================================= */
|
|
|
3567 |
} /* initialisation, white or scanline-processing */
|
|
|
3568 |
/* ============================================================= */
|
|
|
3569 |
|
|
|
3570 |
return 0;
|
|
|
3571 |
}
|