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Comparing CV/CV.xs (file contents):
Revision 1.17 by root, Wed Jul 20 06:20:36 2005 UTC vs.
Revision 1.31 by root, Wed Feb 15 08:08:37 2006 UTC

1#include "EXTERN.h" 1#include "EXTERN.h"
2#include "perl.h" 2#include "perl.h"
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5#include <string.h>
5#include <setjmp.h> 6#include <setjmp.h>
6 7
8#include <magic.h>
9
7#include <jpeglib.h> 10#include <jpeglib.h>
11#include <glib.h>
12#include <gtk/gtk.h>
8#include <gdk-pixbuf/gdk-pixbuf.h> 13#include <gdk-pixbuf/gdk-pixbuf.h>
9 14
10#include <gperl.h> 15#include <gperl.h>
11#include <gtk2perl.h> 16#include <gtk2perl.h>
12 17
… …
123 128
124MODULE = Gtk2::CV PACKAGE = Gtk2::CV 129MODULE = Gtk2::CV PACKAGE = Gtk2::CV
125 130
126PROTOTYPES: ENABLE 131PROTOTYPES: ENABLE
127 132
133# missing function in perl. really :)
134int
135common_prefix_length (a, b)
136 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
137 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
138 CODE:
139 RETVAL = 0;
140
141 while (*a == *b && *a)
142 {
143 RETVAL += (*a & 0xc0) != 0x80;
144 a++, b++;
145 }
146
147 OUTPUT:
148 RETVAL
149
150const char *
151magic (const char *path)
152 CODE:
153{
154 static magic_t cookie;
155
156 if (!cookie)
157 {
158 cookie = magic_open (MAGIC_MIME);
159
160 if (cookie)
161 magic_load (cookie, 0);
162 else
163 XSRETURN_UNDEF;
164 }
165
166 RETVAL = magic_file (cookie, path);
167}
168 OUTPUT:
169 RETVAL
170
171# missing in Gtk2 perl module
172
173gboolean
174gdk_net_wm_supports (GdkAtom property)
175 CODE:
176#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
177 RETVAL = gdk_net_wm_supports (property);
178#else
179 RETVAL = 0;
180#endif
181 OUTPUT:
182 RETVAL
183
128GdkPixbuf_noinc * 184GdkPixbuf_noinc *
129transpose (GdkPixbuf *pb) 185dealpha_expose (GdkPixbuf *pb)
130 CODE: 186 CODE:
131{ 187{
132 int w = gdk_pixbuf_get_width (pb); 188 int w = gdk_pixbuf_get_width (pb);
133 int h = gdk_pixbuf_get_height (pb); 189 int h = gdk_pixbuf_get_height (pb);
134 int bpp = gdk_pixbuf_get_n_channels (pb); 190 int bpp = gdk_pixbuf_get_n_channels (pb);
135 int x, y, i; 191 int x, y, i;
136 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 192 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
137 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 193 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
138 194
139 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 195 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
140 196
141 dst = gdk_pixbuf_get_pixels (RETVAL); 197 dst = gdk_pixbuf_get_pixels (RETVAL);
142 dstr = gdk_pixbuf_get_rowstride (RETVAL); 198 dstr = gdk_pixbuf_get_rowstride (RETVAL);
143 199
144 for (y = 0; y < h; y++)
145 for (x = 0; x < w; x++) 200 for (x = 0; x < w; x++)
201 for (y = 0; y < h; y++)
146 for (i = 0; i < bpp; i++) 202 for (i = 0; i < 3; i++)
147 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 203 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
148} 204}
149 OUTPUT: 205 OUTPUT:
150 RETVAL 206 RETVAL
151 207
152GdkPixbuf_noinc * 208GdkPixbuf_noinc *
153flop (GdkPixbuf *pb) 209rotate (GdkPixbuf *pb, int angle)
154 CODE: 210 CODE:
155{ 211 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
156 int w = gdk_pixbuf_get_width (pb); 212 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
157 int h = gdk_pixbuf_get_height (pb); 213 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
158 int bpp = gdk_pixbuf_get_n_channels (pb); 214 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
159 int x, y, i; 215 : angle);
160 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
161 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
162
163 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
164
165 dst = gdk_pixbuf_get_pixels (RETVAL);
166 dstr = gdk_pixbuf_get_rowstride (RETVAL);
167
168 for (y = 0; y < h; y++)
169 for (x = 0; x < w; x++)
170 for (i = 0; i < bpp; i++)
171 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
172}
173 OUTPUT: 216 OUTPUT:
174 RETVAL 217 RETVAL
175 218
176GdkPixbuf_noinc * 219GdkPixbuf_noinc *
177load_jpeg (char *path, int thumbnail=0) 220load_jpeg (SV *path, int thumbnail=0)
178 CODE: 221 CODE:
179{ 222{
180 struct jpeg_decompress_struct cinfo; 223 struct jpeg_decompress_struct cinfo;
181 struct jpg_err_mgr jerr; 224 struct jpg_err_mgr jerr;
182 guchar *data; 225 guchar *data;
183 int rs; 226 int rs;
184 FILE *fp; 227 FILE *fp;
185 volatile GdkPixbuf *pb = 0; 228 volatile GdkPixbuf *pb = 0;
229
186 RETVAL = 0; 230 RETVAL = 0;
187 231
188 if (!(fp = fopen (path, "rb"))) 232 fp = fopen (SvPVbyte_nolen (path), "rb");
233
234 if (!fp)
189 XSRETURN_UNDEF; 235 XSRETURN_UNDEF;
190 236
191 cinfo.err = jpeg_std_error (&jerr.err); 237 cinfo.err = jpeg_std_error (&jerr.err);
192 238
193 jerr.err.error_exit = cv_error_exit; 239 jerr.err.error_exit = cv_error_exit;
… …
224 { 270 {
225 cinfo.dct_method = JDCT_FASTEST; 271 cinfo.dct_method = JDCT_FASTEST;
226 cinfo.do_fancy_upsampling = FALSE; 272 cinfo.do_fancy_upsampling = FALSE;
227 273
228 while (cinfo.scale_denom < 8 274 while (cinfo.scale_denom < 8
229 && (cinfo.output_width >> 1) >= IW 275 && cinfo.output_width >= IW*4
230 && (cinfo.output_height >> 1) >= IH) 276 && cinfo.output_height >= IH*4)
231 { 277 {
232 cinfo.scale_denom <<= 1; 278 cinfo.scale_denom <<= 1;
233 jpeg_calc_output_dimensions (&cinfo); 279 jpeg_calc_output_dimensions (&cinfo);
234 } 280 }
235 } 281 }
… …
268 314
269############################################################################# 315#############################################################################
270 316
271MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 317MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
272 318
319SV *
320foldcase (SV *pathsv)
321 PROTOTYPE: $
322 CODE:
323{
324 STRLEN plen;
325 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
326 U8 *pend = path + plen;
327 U8 dst [plen * 6 * 3], *dstp = dst;
328
329 while (path < pend)
330 {
331 U8 ch = *path;
332
333 if (ch >= 'a' && ch <= 'z')
334 *dstp++ = *path++;
335 else if (ch >= '0' && ch <= '9')
336 {
337 STRLEN el, nl = 0;
338 while (*path >= '0' && *path <= '9' && path < pend)
339 path++, nl++;
340
341 for (el = nl; el < 6; el++)
342 *dstp++ = '0';
343
344 memcpy (dstp, path - nl, nl);
345 dstp += nl;
346 }
347 else
348 {
349 STRLEN cl;
350 to_utf8_fold (path, dstp, &cl);
351 dstp += cl;
352 path += is_utf8_char (path);
353 }
354 }
355
356 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
357}
358 OUTPUT:
359 RETVAL
360
273GdkPixbuf_noinc * 361GdkPixbuf_noinc *
274p7_to_pb (int w, int h, guchar *src) 362p7_to_pb (int w, int h, SV *src_sv)
363 PROTOTYPE: @
275 CODE: 364 CODE:
276{ 365{
277 int x, y; 366 int x, y;
278 guchar *dst, *d; 367 guchar *dst, *d;
279 int dstr; 368 int dstr;
369 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
280 370
281 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 371 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
282 dst = gdk_pixbuf_get_pixels (RETVAL); 372 dst = gdk_pixbuf_get_pixels (RETVAL);
283 dstr = gdk_pixbuf_get_rowstride (RETVAL); 373 dstr = gdk_pixbuf_get_rowstride (RETVAL);
284 374
… …
293 } 383 }
294} 384}
295 OUTPUT: 385 OUTPUT:
296 RETVAL 386 RETVAL
297 387
388#############################################################################
389
390MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
391
392void
393dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
394 CODE:
395{
396 int w = gdk_pixbuf_get_width (pb);
397 int h = gdk_pixbuf_get_height (pb);
398 int x, y, i;
399 guchar *dst;
400 int bpp = gdk_pixbuf_get_n_channels (pb);
401 guchar *src = gdk_pixbuf_get_pixels (pb);
402 int sstr = gdk_pixbuf_get_rowstride (pb);
403
404 a85_init ();
405
406 for (y = 0; y < h; y++)
407 for (x = 0; x < w; x++)
408 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
409 a85_push (fp, src [x * bpp + y * sstr + i]);
410
411 a85_finish (fp);
412}
413
414void
415dump_binary (PerlIO *fp, GdkPixbuf *pb)
416 CODE:
417{
418 int w = gdk_pixbuf_get_width (pb);
419 int h = gdk_pixbuf_get_height (pb);
420 int x, y, i;
421 guchar *dst;
422 int bpp = gdk_pixbuf_get_n_channels (pb);
423 guchar *src = gdk_pixbuf_get_pixels (pb);
424 int sstr = gdk_pixbuf_get_rowstride (pb);
425
426 for (y = 0; y < h; y++)
427 for (x = 0; x < w; x++)
428 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
429 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
430}
431
432#############################################################################
433
434MODULE = Gtk2::CV PACKAGE = Gtk2::CV
435
298SV * 436SV *
299pb_to_p7 (GdkPixbuf *pb) 437pb_to_hv84 (GdkPixbuf *pb)
300 CODE: 438 CODE:
301{ 439{
302 int w = gdk_pixbuf_get_width (pb); 440 int w = gdk_pixbuf_get_width (pb);
303 int h = gdk_pixbuf_get_height (pb); 441 int h = gdk_pixbuf_get_height (pb);
304 int x, y; 442 int x, y;
305 guchar *dst; 443 guchar *dst;
306 int bpp = gdk_pixbuf_get_n_channels (pb); 444 int bpp = gdk_pixbuf_get_n_channels (pb);
307 guchar *src = gdk_pixbuf_get_pixels (pb); 445 guchar *src = gdk_pixbuf_get_pixels (pb);
308 int sstr = gdk_pixbuf_get_rowstride (pb); 446 int sstr = gdk_pixbuf_get_rowstride (pb);
309 int Er[IW], Eg[IW], Eb[IW];
310 int seed = 77;
311 447
312 RETVAL = newSV (w * h); 448 RETVAL = newSV (6 * 8 * 12 / 8);
313 SvPOK_only (RETVAL); 449 SvPOK_only (RETVAL);
314 SvCUR_set (RETVAL, w * h); 450 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
315 451
316 dst = SvPVX (RETVAL); 452 dst = (guchar *)SvPVX (RETVAL);
317
318 memset (Er, 0, sizeof (int) * IW);
319 memset (Eg, 0, sizeof (int) * IW);
320 memset (Eb, 0, sizeof (int) * IW);
321 453
322 /* some primitive error distribution + random dithering */ 454 /* some primitive error distribution + random dithering */
323 455
324 for (y = 0; y < h; y++) 456 for (y = 0; y < h; y++)
325 { 457 {
326 int er = 0, eg = 0, eb = 0; 458 guchar *p = src + y * sstr;
327 459
328 for (x = 0; x < w; x++) 460 for (x = 0; x < w; x += 2)
329 { 461 {
330 int r, g, b; 462 unsigned int r, g, b, h, s, v, H, V1, V2;
331 guchar *p = src + x * bpp + y * sstr;
332 463
333 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; 464 if (bpp == 3)
334 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; 465 r = *p++, g = *p++, b = *p++;
335 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; 466 else if (bpp == 1)
467 r = g = b = *p++;
468 else
469 abort ();
336 470
337 r = r > 7 ? 7 : r < 0 ? 0 : r; 471 rgb_to_hsv (r, g, b, &h, &s, &v);
338 g = g > 7 ? 7 : g < 0 ? 0 : g;
339 b = b > 3 ? 3 : b < 0 ? 0 : b;
340 472
341 er += p[0] - (r * 255 + 4) / 7; 473 H = (h * 15 / 255) << 4;
342 eg += p[1] - (g * 255 + 4) / 7; 474 V1 = v;
343 eb += p[2] - (b * 255 + 2) / 3;
344 475
345 Er[x] = er >> 1; er -= (er + 1) >> 1; 476 if (bpp == 3)
346 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; 477 r = *p++, g = *p++, b = *p++;
347 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; 478 else if (bpp == 1)
479 r = g = b = *p++;
480 else
481 abort ();
348 482
349 *dst++ = r << 5 | g << 2 | b; 483 rgb_to_hsv (r, g, b, &h, &s, &v);
484
485 H |= h * 15 / 255;
486 V2 = v;
487
488 *dst++ = H;
489 *dst++ = V1;
490 *dst++ = V2;
350 } 491 }
351 } 492 }
352} 493}
353 OUTPUT: 494 OUTPUT:
354 RETVAL 495 RETVAL
355 496
356SV * 497SV *
498hv84_to_av (unsigned char *hv84)
499 CODE:
500{
501 int i = 72 / 3;
502 AV *av = newAV ();
503
504 RETVAL = (SV *)newRV_noinc ((SV *)av);
505 while (i--)
506 {
507 int h = *hv84++;
508 int v1 = *hv84++;
509 int v2 = *hv84++;
510
511 av_push (av, newSViv (v1));
512 av_push (av, newSViv ((h >> 4) * 255 / 15));
513 av_push (av, newSViv (v2));
514 av_push (av, newSViv ((h & 15) * 255 / 15));
515 }
516}
517 OUTPUT:
518 RETVAL
519
520#############################################################################
521
522MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
523
524SV *
357make_histogram (SV *ar) 525make_histograms (SV *ar)
358 CODE: 526 CODE:
359{ 527{
360 int i; 528 int i;
361 AV *av, *result; 529 AV *av, *result;
362 530
… …
405 RETVAL = newRV_noinc ((SV *)result); 573 RETVAL = newRV_noinc ((SV *)result);
406} 574}
407 OUTPUT: 575 OUTPUT:
408 RETVAL 576 RETVAL
409 577
410#############################################################################
411 578
412MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
413
414void
415dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
416 CODE:
417{
418 int w = gdk_pixbuf_get_width (pb);
419 int h = gdk_pixbuf_get_height (pb);
420 int x, y, i;
421 guchar *dst;
422 int bpp = gdk_pixbuf_get_n_channels (pb);
423 guchar *src = gdk_pixbuf_get_pixels (pb);
424 int sstr = gdk_pixbuf_get_rowstride (pb);
425
426 a85_init ();
427
428 for (y = 0; y < h; y++)
429 for (x = 0; x < w; x++)
430 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
431 a85_push (fp, src [x * bpp + y * sstr + i]);
432
433 a85_finish (fp);
434}
435
436void
437dump_binary (PerlIO *fp, GdkPixbuf *pb)
438 CODE:
439{
440 int w = gdk_pixbuf_get_width (pb);
441 int h = gdk_pixbuf_get_height (pb);
442 int x, y, i;
443 guchar *dst;
444 int bpp = gdk_pixbuf_get_n_channels (pb);
445 guchar *src = gdk_pixbuf_get_pixels (pb);
446 int sstr = gdk_pixbuf_get_rowstride (pb);
447
448 for (y = 0; y < h; y++)
449 for (x = 0; x < w; x++)
450 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
451 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
452}
453
454#############################################################################
455
456MODULE = Gtk2::CV PACKAGE = Gtk2::CV
457
458SV *
459pb_to_hv84 (GdkPixbuf *pb)
460 CODE:
461{
462 int w = gdk_pixbuf_get_width (pb);
463 int h = gdk_pixbuf_get_height (pb);
464 int x, y;
465 guchar *dst;
466 int bpp = gdk_pixbuf_get_n_channels (pb);
467 guchar *src = gdk_pixbuf_get_pixels (pb);
468 int sstr = gdk_pixbuf_get_rowstride (pb);
469
470 RETVAL = newSV (6 * 8 * 12 / 8);
471 SvPOK_only (RETVAL);
472 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
473
474 dst = SvPVX (RETVAL);
475
476 /* some primitive error distribution + random dithering */
477
478 for (y = 0; y < h; y++)
479 {
480 guchar *p = src + y * sstr;
481
482 for (x = 0; x < w; x += 2)
483 {
484 unsigned int r, g, b, h, s, v, H, V1, V2;
485
486 if (bpp == 3)
487 r = *p++, g = *p++, b = *p++;
488 else if (bpp == 1)
489 r = g = b = *p++;
490 else
491 abort ();
492
493 rgb_to_hsv (r, g, b, &h, &s, &v);
494
495 H = (h * 15 / 255) << 4;
496 V1 = v;
497
498 if (bpp == 3)
499 r = *p++, g = *p++, b = *p++;
500 else if (bpp == 1)
501 r = g = b = *p++;
502 else
503 abort ();
504
505 rgb_to_hsv (r, g, b, &h, &s, &v);
506
507 H |= h * 15 / 255;
508 V2 = v;
509
510 *dst++ = H;
511 *dst++ = V1;
512 *dst++ = V2;
513 }
514 }
515}
516 OUTPUT:
517 RETVAL
518
519SV *
520hv84_to_av (unsigned char *hv84)
521 CODE:
522{
523 int i = 72 / 3;
524 AV *av = newAV ();
525
526 RETVAL = (SV *)newRV_noinc ((SV *)av);
527 while (i--)
528 {
529 int h = *hv84++;
530 int v1 = *hv84++;
531 int v2 = *hv84++;
532
533 av_push (av, newSViv (v1));
534 av_push (av, newSViv ((h >> 4) * 255 / 15));
535 av_push (av, newSViv (v2));
536 av_push (av, newSViv ((h & 15) * 255 / 15));
537 }
538}
539 OUTPUT:
540 RETVAL
541
542
543

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