ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/CV/CV.xs
(Generate patch)

Comparing CV/CV.xs (file contents):
Revision 1.18 by root, Wed Jul 20 09:06:37 2005 UTC vs.
Revision 1.30 by root, Wed Dec 28 20:56:20 2005 UTC

… …
4 4
5#include <string.h> 5#include <string.h>
6#include <setjmp.h> 6#include <setjmp.h>
7 7
8#include <jpeglib.h> 8#include <jpeglib.h>
9#include <glib.h>
10#include <gtk/gtk.h>
9#include <gdk-pixbuf/gdk-pixbuf.h> 11#include <gdk-pixbuf/gdk-pixbuf.h>
10 12
11#include <gperl.h> 13#include <gperl.h>
12#include <gtk2perl.h> 14#include <gtk2perl.h>
13 15
… …
124 126
125MODULE = Gtk2::CV PACKAGE = Gtk2::CV 127MODULE = Gtk2::CV PACKAGE = Gtk2::CV
126 128
127PROTOTYPES: ENABLE 129PROTOTYPES: ENABLE
128 130
131# missing function in perl. really :)
132int
133common_prefix_length (a, b)
134 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
135 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
136 CODE:
137 RETVAL = 0;
138
139 while (*a == *b && *a)
140 {
141 RETVAL += (*a & 0xc0) != 0x80;
142 a++, b++;
143 }
144
145 OUTPUT:
146 RETVAL
147
148# missing in Gtk2 perl module
149
150gboolean
151gdk_net_wm_supports (GdkAtom property)
152 CODE:
153#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
154 RETVAL = gdk_net_wm_supports (property);
155#else
156 RETVAL = 0;
157#endif
158 OUTPUT:
159 RETVAL
160
129GdkPixbuf_noinc * 161GdkPixbuf_noinc *
130transpose (GdkPixbuf *pb) 162dealpha_expose (GdkPixbuf *pb)
131 CODE: 163 CODE:
132{ 164{
133 int w = gdk_pixbuf_get_width (pb); 165 int w = gdk_pixbuf_get_width (pb);
134 int h = gdk_pixbuf_get_height (pb); 166 int h = gdk_pixbuf_get_height (pb);
135 int bpp = gdk_pixbuf_get_n_channels (pb); 167 int bpp = gdk_pixbuf_get_n_channels (pb);
136 int x, y, i; 168 int x, y, i;
137 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 169 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
138 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 170 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
139 171
140 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 172 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
141 173
142 dst = gdk_pixbuf_get_pixels (RETVAL); 174 dst = gdk_pixbuf_get_pixels (RETVAL);
143 dstr = gdk_pixbuf_get_rowstride (RETVAL); 175 dstr = gdk_pixbuf_get_rowstride (RETVAL);
144 176
145 for (y = 0; y < h; y++)
146 for (x = 0; x < w; x++) 177 for (x = 0; x < w; x++)
178 for (y = 0; y < h; y++)
147 for (i = 0; i < bpp; i++) 179 for (i = 0; i < 3; i++)
148 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 180 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
149} 181}
150 OUTPUT: 182 OUTPUT:
151 RETVAL 183 RETVAL
152 184
153GdkPixbuf_noinc * 185GdkPixbuf_noinc *
154flop (GdkPixbuf *pb) 186rotate (GdkPixbuf *pb, int angle)
155 CODE: 187 CODE:
156{ 188 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
157 int w = gdk_pixbuf_get_width (pb); 189 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
158 int h = gdk_pixbuf_get_height (pb); 190 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
159 int bpp = gdk_pixbuf_get_n_channels (pb); 191 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
160 int x, y, i; 192 : angle);
161 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
162 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
163
164 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
165
166 dst = gdk_pixbuf_get_pixels (RETVAL);
167 dstr = gdk_pixbuf_get_rowstride (RETVAL);
168
169 for (y = 0; y < h; y++)
170 for (x = 0; x < w; x++)
171 for (i = 0; i < bpp; i++)
172 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
173}
174 OUTPUT: 193 OUTPUT:
175 RETVAL 194 RETVAL
176 195
177GdkPixbuf_noinc * 196GdkPixbuf_noinc *
178load_jpeg (char *path, int thumbnail=0) 197load_jpeg (SV *path, int thumbnail=0)
179 CODE: 198 CODE:
180{ 199{
181 struct jpeg_decompress_struct cinfo; 200 struct jpeg_decompress_struct cinfo;
182 struct jpg_err_mgr jerr; 201 struct jpg_err_mgr jerr;
183 guchar *data; 202 guchar *data;
184 int rs; 203 int rs;
185 FILE *fp; 204 FILE *fp;
186 volatile GdkPixbuf *pb = 0; 205 volatile GdkPixbuf *pb = 0;
206
187 RETVAL = 0; 207 RETVAL = 0;
188 208
189 if (!(fp = fopen (path, "rb"))) 209 fp = fopen (SvPVbyte_nolen (path), "rb");
210
211 if (!fp)
190 XSRETURN_UNDEF; 212 XSRETURN_UNDEF;
191 213
192 cinfo.err = jpeg_std_error (&jerr.err); 214 cinfo.err = jpeg_std_error (&jerr.err);
193 215
194 jerr.err.error_exit = cv_error_exit; 216 jerr.err.error_exit = cv_error_exit;
… …
225 { 247 {
226 cinfo.dct_method = JDCT_FASTEST; 248 cinfo.dct_method = JDCT_FASTEST;
227 cinfo.do_fancy_upsampling = FALSE; 249 cinfo.do_fancy_upsampling = FALSE;
228 250
229 while (cinfo.scale_denom < 8 251 while (cinfo.scale_denom < 8
230 && (cinfo.output_width >> 1) >= IW 252 && cinfo.output_width >= IW*4
231 && (cinfo.output_height >> 1) >= IH) 253 && cinfo.output_height >= IH*4)
232 { 254 {
233 cinfo.scale_denom <<= 1; 255 cinfo.scale_denom <<= 1;
234 jpeg_calc_output_dimensions (&cinfo); 256 jpeg_calc_output_dimensions (&cinfo);
235 } 257 }
236 } 258 }
… …
275foldcase (SV *pathsv) 297foldcase (SV *pathsv)
276 PROTOTYPE: $ 298 PROTOTYPE: $
277 CODE: 299 CODE:
278{ 300{
279 STRLEN plen; 301 STRLEN plen;
280 U8 *path = SvPVutf8 (pathsv, plen); 302 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
281 U8 *pend = path + plen; 303 U8 *pend = path + plen;
282 U8 dst [plen * 6 * 3], *dstp = dst; 304 U8 dst [plen * 6 * 3], *dstp = dst;
283 305
284 while (path < pend) 306 while (path < pend)
285 { 307 {
308 U8 ch = *path;
309
286 if (*path >= '0' && *path <= '9') 310 if (ch >= 'a' && ch <= 'z')
311 *dstp++ = *path++;
312 else if (ch >= '0' && ch <= '9')
287 { 313 {
288 STRLEN el, nl = 0; 314 STRLEN el, nl = 0;
289 while (*path >= '0' && *path <= '9') 315 while (*path >= '0' && *path <= '9' && path < pend)
290 path++, nl++; 316 path++, nl++;
291 317
292 for (el = nl; el < 6; el++) 318 for (el = nl; el < 6; el++)
293 *dstp++ = '0'; 319 *dstp++ = '0';
294 320
… …
302 dstp += cl; 328 dstp += cl;
303 path += is_utf8_char (path); 329 path += is_utf8_char (path);
304 } 330 }
305 } 331 }
306 332
307 RETVAL = newSVpvn (dst, dstp - dst); 333 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
308} 334}
309 OUTPUT: 335 OUTPUT:
310 RETVAL 336 RETVAL
311 337
312GdkPixbuf_noinc * 338GdkPixbuf_noinc *
313p7_to_pb (int w, int h, guchar *src) 339p7_to_pb (int w, int h, SV *src_sv)
340 PROTOTYPE: @
314 CODE: 341 CODE:
315{ 342{
316 int x, y; 343 int x, y;
317 guchar *dst, *d; 344 guchar *dst, *d;
318 int dstr; 345 int dstr;
346 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
319 347
320 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 348 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
321 dst = gdk_pixbuf_get_pixels (RETVAL); 349 dst = gdk_pixbuf_get_pixels (RETVAL);
322 dstr = gdk_pixbuf_get_rowstride (RETVAL); 350 dstr = gdk_pixbuf_get_rowstride (RETVAL);
323 351
… …
332 } 360 }
333} 361}
334 OUTPUT: 362 OUTPUT:
335 RETVAL 363 RETVAL
336 364
365#############################################################################
366
367MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
368
369void
370dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
371 CODE:
372{
373 int w = gdk_pixbuf_get_width (pb);
374 int h = gdk_pixbuf_get_height (pb);
375 int x, y, i;
376 guchar *dst;
377 int bpp = gdk_pixbuf_get_n_channels (pb);
378 guchar *src = gdk_pixbuf_get_pixels (pb);
379 int sstr = gdk_pixbuf_get_rowstride (pb);
380
381 a85_init ();
382
383 for (y = 0; y < h; y++)
384 for (x = 0; x < w; x++)
385 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
386 a85_push (fp, src [x * bpp + y * sstr + i]);
387
388 a85_finish (fp);
389}
390
391void
392dump_binary (PerlIO *fp, GdkPixbuf *pb)
393 CODE:
394{
395 int w = gdk_pixbuf_get_width (pb);
396 int h = gdk_pixbuf_get_height (pb);
397 int x, y, i;
398 guchar *dst;
399 int bpp = gdk_pixbuf_get_n_channels (pb);
400 guchar *src = gdk_pixbuf_get_pixels (pb);
401 int sstr = gdk_pixbuf_get_rowstride (pb);
402
403 for (y = 0; y < h; y++)
404 for (x = 0; x < w; x++)
405 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
406 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
407}
408
409#############################################################################
410
411MODULE = Gtk2::CV PACKAGE = Gtk2::CV
412
337SV * 413SV *
338pb_to_p7 (GdkPixbuf *pb) 414pb_to_hv84 (GdkPixbuf *pb)
339 CODE: 415 CODE:
340{ 416{
341 int w = gdk_pixbuf_get_width (pb); 417 int w = gdk_pixbuf_get_width (pb);
342 int h = gdk_pixbuf_get_height (pb); 418 int h = gdk_pixbuf_get_height (pb);
343 int x, y; 419 int x, y;
344 guchar *dst; 420 guchar *dst;
345 int bpp = gdk_pixbuf_get_n_channels (pb); 421 int bpp = gdk_pixbuf_get_n_channels (pb);
346 guchar *src = gdk_pixbuf_get_pixels (pb); 422 guchar *src = gdk_pixbuf_get_pixels (pb);
347 int sstr = gdk_pixbuf_get_rowstride (pb); 423 int sstr = gdk_pixbuf_get_rowstride (pb);
348 int Er[IW], Eg[IW], Eb[IW];
349 int seed = 77;
350 424
351 RETVAL = newSV (w * h); 425 RETVAL = newSV (6 * 8 * 12 / 8);
352 SvPOK_only (RETVAL); 426 SvPOK_only (RETVAL);
353 SvCUR_set (RETVAL, w * h); 427 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
354 428
355 dst = SvPVX (RETVAL); 429 dst = (guchar *)SvPVX (RETVAL);
356
357 memset (Er, 0, sizeof (int) * IW);
358 memset (Eg, 0, sizeof (int) * IW);
359 memset (Eb, 0, sizeof (int) * IW);
360 430
361 /* some primitive error distribution + random dithering */ 431 /* some primitive error distribution + random dithering */
362 432
363 for (y = 0; y < h; y++) 433 for (y = 0; y < h; y++)
364 { 434 {
365 int er = 0, eg = 0, eb = 0; 435 guchar *p = src + y * sstr;
366 436
367 for (x = 0; x < w; x++) 437 for (x = 0; x < w; x += 2)
368 { 438 {
369 int r, g, b; 439 unsigned int r, g, b, h, s, v, H, V1, V2;
370 guchar *p = src + x * bpp + y * sstr;
371 440
372 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; 441 if (bpp == 3)
373 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; 442 r = *p++, g = *p++, b = *p++;
374 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; 443 else if (bpp == 1)
444 r = g = b = *p++;
445 else
446 abort ();
375 447
376 r = r > 7 ? 7 : r < 0 ? 0 : r; 448 rgb_to_hsv (r, g, b, &h, &s, &v);
377 g = g > 7 ? 7 : g < 0 ? 0 : g;
378 b = b > 3 ? 3 : b < 0 ? 0 : b;
379 449
380 er += p[0] - (r * 255 + 4) / 7; 450 H = (h * 15 / 255) << 4;
381 eg += p[1] - (g * 255 + 4) / 7; 451 V1 = v;
382 eb += p[2] - (b * 255 + 2) / 3;
383 452
384 Er[x] = er >> 1; er -= (er + 1) >> 1; 453 if (bpp == 3)
385 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; 454 r = *p++, g = *p++, b = *p++;
386 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; 455 else if (bpp == 1)
456 r = g = b = *p++;
457 else
458 abort ();
387 459
388 *dst++ = r << 5 | g << 2 | b; 460 rgb_to_hsv (r, g, b, &h, &s, &v);
461
462 H |= h * 15 / 255;
463 V2 = v;
464
465 *dst++ = H;
466 *dst++ = V1;
467 *dst++ = V2;
389 } 468 }
390 } 469 }
391} 470}
392 OUTPUT: 471 OUTPUT:
393 RETVAL 472 RETVAL
394 473
395SV * 474SV *
475hv84_to_av (unsigned char *hv84)
476 CODE:
477{
478 int i = 72 / 3;
479 AV *av = newAV ();
480
481 RETVAL = (SV *)newRV_noinc ((SV *)av);
482 while (i--)
483 {
484 int h = *hv84++;
485 int v1 = *hv84++;
486 int v2 = *hv84++;
487
488 av_push (av, newSViv (v1));
489 av_push (av, newSViv ((h >> 4) * 255 / 15));
490 av_push (av, newSViv (v2));
491 av_push (av, newSViv ((h & 15) * 255 / 15));
492 }
493}
494 OUTPUT:
495 RETVAL
496
497#############################################################################
498
499MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
500
501SV *
396make_histogram (SV *ar) 502make_histograms (SV *ar)
397 CODE: 503 CODE:
398{ 504{
399 int i; 505 int i;
400 AV *av, *result; 506 AV *av, *result;
401 507
… …
444 RETVAL = newRV_noinc ((SV *)result); 550 RETVAL = newRV_noinc ((SV *)result);
445} 551}
446 OUTPUT: 552 OUTPUT:
447 RETVAL 553 RETVAL
448 554
449#############################################################################
450 555
451MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
452
453void
454dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
455 CODE:
456{
457 int w = gdk_pixbuf_get_width (pb);
458 int h = gdk_pixbuf_get_height (pb);
459 int x, y, i;
460 guchar *dst;
461 int bpp = gdk_pixbuf_get_n_channels (pb);
462 guchar *src = gdk_pixbuf_get_pixels (pb);
463 int sstr = gdk_pixbuf_get_rowstride (pb);
464
465 a85_init ();
466
467 for (y = 0; y < h; y++)
468 for (x = 0; x < w; x++)
469 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
470 a85_push (fp, src [x * bpp + y * sstr + i]);
471
472 a85_finish (fp);
473}
474
475void
476dump_binary (PerlIO *fp, GdkPixbuf *pb)
477 CODE:
478{
479 int w = gdk_pixbuf_get_width (pb);
480 int h = gdk_pixbuf_get_height (pb);
481 int x, y, i;
482 guchar *dst;
483 int bpp = gdk_pixbuf_get_n_channels (pb);
484 guchar *src = gdk_pixbuf_get_pixels (pb);
485 int sstr = gdk_pixbuf_get_rowstride (pb);
486
487 for (y = 0; y < h; y++)
488 for (x = 0; x < w; x++)
489 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
490 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
491}
492
493#############################################################################
494
495MODULE = Gtk2::CV PACKAGE = Gtk2::CV
496
497SV *
498pb_to_hv84 (GdkPixbuf *pb)
499 CODE:
500{
501 int w = gdk_pixbuf_get_width (pb);
502 int h = gdk_pixbuf_get_height (pb);
503 int x, y;
504 guchar *dst;
505 int bpp = gdk_pixbuf_get_n_channels (pb);
506 guchar *src = gdk_pixbuf_get_pixels (pb);
507 int sstr = gdk_pixbuf_get_rowstride (pb);
508
509 RETVAL = newSV (6 * 8 * 12 / 8);
510 SvPOK_only (RETVAL);
511 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
512
513 dst = SvPVX (RETVAL);
514
515 /* some primitive error distribution + random dithering */
516
517 for (y = 0; y < h; y++)
518 {
519 guchar *p = src + y * sstr;
520
521 for (x = 0; x < w; x += 2)
522 {
523 unsigned int r, g, b, h, s, v, H, V1, V2;
524
525 if (bpp == 3)
526 r = *p++, g = *p++, b = *p++;
527 else if (bpp == 1)
528 r = g = b = *p++;
529 else
530 abort ();
531
532 rgb_to_hsv (r, g, b, &h, &s, &v);
533
534 H = (h * 15 / 255) << 4;
535 V1 = v;
536
537 if (bpp == 3)
538 r = *p++, g = *p++, b = *p++;
539 else if (bpp == 1)
540 r = g = b = *p++;
541 else
542 abort ();
543
544 rgb_to_hsv (r, g, b, &h, &s, &v);
545
546 H |= h * 15 / 255;
547 V2 = v;
548
549 *dst++ = H;
550 *dst++ = V1;
551 *dst++ = V2;
552 }
553 }
554}
555 OUTPUT:
556 RETVAL
557
558SV *
559hv84_to_av (unsigned char *hv84)
560 CODE:
561{
562 int i = 72 / 3;
563 AV *av = newAV ();
564
565 RETVAL = (SV *)newRV_noinc ((SV *)av);
566 while (i--)
567 {
568 int h = *hv84++;
569 int v1 = *hv84++;
570 int v2 = *hv84++;
571
572 av_push (av, newSViv (v1));
573 av_push (av, newSViv ((h >> 4) * 255 / 15));
574 av_push (av, newSViv (v2));
575 av_push (av, newSViv ((h & 15) * 255 / 15));
576 }
577}
578 OUTPUT:
579 RETVAL
580
581
582

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines