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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 1.30 by root, Wed Dec 28 20:56:20 2005 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
7#include <jpeglib.h> 8#include <jpeglib.h>
9#include <glib.h>
10#include <gtk/gtk.h>
8#include <gdk-pixbuf/gdk-pixbuf.h> 11#include <gdk-pixbuf/gdk-pixbuf.h>
9 12
10#include <gperl.h> 13#include <gperl.h>
11#include <gtk2perl.h> 14#include <gtk2perl.h>
12 15
… …
123 126
124MODULE = Gtk2::CV PACKAGE = Gtk2::CV 127MODULE = Gtk2::CV PACKAGE = Gtk2::CV
125 128
126PROTOTYPES: ENABLE 129PROTOTYPES: ENABLE
127 130
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
128GdkPixbuf_noinc * 161GdkPixbuf_noinc *
129transpose (GdkPixbuf *pb) 162dealpha_expose (GdkPixbuf *pb)
130 CODE: 163 CODE:
131{ 164{
132 int w = gdk_pixbuf_get_width (pb); 165 int w = gdk_pixbuf_get_width (pb);
133 int h = gdk_pixbuf_get_height (pb); 166 int h = gdk_pixbuf_get_height (pb);
134 int bpp = gdk_pixbuf_get_n_channels (pb); 167 int bpp = gdk_pixbuf_get_n_channels (pb);
135 int x, y, i; 168 int x, y, i;
136 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 169 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
137 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 170 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
138 171
139 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 172 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
140 173
141 dst = gdk_pixbuf_get_pixels (RETVAL); 174 dst = gdk_pixbuf_get_pixels (RETVAL);
142 dstr = gdk_pixbuf_get_rowstride (RETVAL); 175 dstr = gdk_pixbuf_get_rowstride (RETVAL);
143 176
144 for (y = 0; y < h; y++)
145 for (x = 0; x < w; x++) 177 for (x = 0; x < w; x++)
178 for (y = 0; y < h; y++)
146 for (i = 0; i < bpp; i++) 179 for (i = 0; i < 3; i++)
147 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];
148} 181}
149 OUTPUT: 182 OUTPUT:
150 RETVAL 183 RETVAL
151 184
152GdkPixbuf_noinc * 185GdkPixbuf_noinc *
153flop (GdkPixbuf *pb) 186rotate (GdkPixbuf *pb, int angle)
154 CODE: 187 CODE:
155{ 188 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
156 int w = gdk_pixbuf_get_width (pb); 189 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
157 int h = gdk_pixbuf_get_height (pb); 190 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
158 int bpp = gdk_pixbuf_get_n_channels (pb); 191 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
159 int x, y, i; 192 : 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: 193 OUTPUT:
174 RETVAL 194 RETVAL
175 195
176GdkPixbuf_noinc * 196GdkPixbuf_noinc *
177load_jpeg (char *path, int thumbnail=0) 197load_jpeg (SV *path, int thumbnail=0)
178 CODE: 198 CODE:
179{ 199{
180 struct jpeg_decompress_struct cinfo; 200 struct jpeg_decompress_struct cinfo;
181 struct jpg_err_mgr jerr; 201 struct jpg_err_mgr jerr;
182 guchar *data; 202 guchar *data;
183 int rs; 203 int rs;
184 FILE *fp; 204 FILE *fp;
185 volatile GdkPixbuf *pb = 0; 205 volatile GdkPixbuf *pb = 0;
206
186 RETVAL = 0; 207 RETVAL = 0;
187 208
188 if (!(fp = fopen (path, "rb"))) 209 fp = fopen (SvPVbyte_nolen (path), "rb");
210
211 if (!fp)
189 XSRETURN_UNDEF; 212 XSRETURN_UNDEF;
190 213
191 cinfo.err = jpeg_std_error (&jerr.err); 214 cinfo.err = jpeg_std_error (&jerr.err);
192 215
193 jerr.err.error_exit = cv_error_exit; 216 jerr.err.error_exit = cv_error_exit;
… …
224 { 247 {
225 cinfo.dct_method = JDCT_FASTEST; 248 cinfo.dct_method = JDCT_FASTEST;
226 cinfo.do_fancy_upsampling = FALSE; 249 cinfo.do_fancy_upsampling = FALSE;
227 250
228 while (cinfo.scale_denom < 8 251 while (cinfo.scale_denom < 8
229 && (cinfo.output_width >> 1) >= IW 252 && cinfo.output_width >= IW*4
230 && (cinfo.output_height >> 1) >= IH) 253 && cinfo.output_height >= IH*4)
231 { 254 {
232 cinfo.scale_denom <<= 1; 255 cinfo.scale_denom <<= 1;
233 jpeg_calc_output_dimensions (&cinfo); 256 jpeg_calc_output_dimensions (&cinfo);
234 } 257 }
235 } 258 }
… …
268 291
269############################################################################# 292#############################################################################
270 293
271MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 294MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
272 295
296SV *
297foldcase (SV *pathsv)
298 PROTOTYPE: $
299 CODE:
300{
301 STRLEN plen;
302 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
303 U8 *pend = path + plen;
304 U8 dst [plen * 6 * 3], *dstp = dst;
305
306 while (path < pend)
307 {
308 U8 ch = *path;
309
310 if (ch >= 'a' && ch <= 'z')
311 *dstp++ = *path++;
312 else if (ch >= '0' && ch <= '9')
313 {
314 STRLEN el, nl = 0;
315 while (*path >= '0' && *path <= '9' && path < pend)
316 path++, nl++;
317
318 for (el = nl; el < 6; el++)
319 *dstp++ = '0';
320
321 memcpy (dstp, path - nl, nl);
322 dstp += nl;
323 }
324 else
325 {
326 STRLEN cl;
327 to_utf8_fold (path, dstp, &cl);
328 dstp += cl;
329 path += is_utf8_char (path);
330 }
331 }
332
333 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
334}
335 OUTPUT:
336 RETVAL
337
273GdkPixbuf_noinc * 338GdkPixbuf_noinc *
274p7_to_pb (int w, int h, guchar *src) 339p7_to_pb (int w, int h, SV *src_sv)
340 PROTOTYPE: @
275 CODE: 341 CODE:
276{ 342{
277 int x, y; 343 int x, y;
278 guchar *dst, *d; 344 guchar *dst, *d;
279 int dstr; 345 int dstr;
346 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
280 347
281 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 348 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
282 dst = gdk_pixbuf_get_pixels (RETVAL); 349 dst = gdk_pixbuf_get_pixels (RETVAL);
283 dstr = gdk_pixbuf_get_rowstride (RETVAL); 350 dstr = gdk_pixbuf_get_rowstride (RETVAL);
284 351
… …
293 } 360 }
294} 361}
295 OUTPUT: 362 OUTPUT:
296 RETVAL 363 RETVAL
297 364
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
298SV * 413SV *
299pb_to_p7 (GdkPixbuf *pb) 414pb_to_hv84 (GdkPixbuf *pb)
300 CODE: 415 CODE:
301{ 416{
302 int w = gdk_pixbuf_get_width (pb); 417 int w = gdk_pixbuf_get_width (pb);
303 int h = gdk_pixbuf_get_height (pb); 418 int h = gdk_pixbuf_get_height (pb);
304 int x, y; 419 int x, y;
305 guchar *dst; 420 guchar *dst;
306 int bpp = gdk_pixbuf_get_n_channels (pb); 421 int bpp = gdk_pixbuf_get_n_channels (pb);
307 guchar *src = gdk_pixbuf_get_pixels (pb); 422 guchar *src = gdk_pixbuf_get_pixels (pb);
308 int sstr = gdk_pixbuf_get_rowstride (pb); 423 int sstr = gdk_pixbuf_get_rowstride (pb);
309 int Er[IW], Eg[IW], Eb[IW];
310 int seed = 77;
311 424
312 RETVAL = newSV (w * h); 425 RETVAL = newSV (6 * 8 * 12 / 8);
313 SvPOK_only (RETVAL); 426 SvPOK_only (RETVAL);
314 SvCUR_set (RETVAL, w * h); 427 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
315 428
316 dst = SvPVX (RETVAL); 429 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);
321 430
322 /* some primitive error distribution + random dithering */ 431 /* some primitive error distribution + random dithering */
323 432
324 for (y = 0; y < h; y++) 433 for (y = 0; y < h; y++)
325 { 434 {
326 int er = 0, eg = 0, eb = 0; 435 guchar *p = src + y * sstr;
327 436
328 for (x = 0; x < w; x++) 437 for (x = 0; x < w; x += 2)
329 { 438 {
330 int r, g, b; 439 unsigned int r, g, b, h, s, v, H, V1, V2;
331 guchar *p = src + x * bpp + y * sstr;
332 440
333 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; 441 if (bpp == 3)
334 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; 442 r = *p++, g = *p++, b = *p++;
335 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 ();
336 447
337 r = r > 7 ? 7 : r < 0 ? 0 : r; 448 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;
340 449
341 er += p[0] - (r * 255 + 4) / 7; 450 H = (h * 15 / 255) << 4;
342 eg += p[1] - (g * 255 + 4) / 7; 451 V1 = v;
343 eb += p[2] - (b * 255 + 2) / 3;
344 452
345 Er[x] = er >> 1; er -= (er + 1) >> 1; 453 if (bpp == 3)
346 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; 454 r = *p++, g = *p++, b = *p++;
347 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; 455 else if (bpp == 1)
456 r = g = b = *p++;
457 else
458 abort ();
348 459
349 *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;
350 } 468 }
351 } 469 }
352} 470}
353 OUTPUT: 471 OUTPUT:
354 RETVAL 472 RETVAL
355 473
356SV * 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 *
357make_histogram (SV *ar) 502make_histograms (SV *ar)
358 CODE: 503 CODE:
359{ 504{
360 int i; 505 int i;
361 AV *av, *result; 506 AV *av, *result;
362 507
… …
405 RETVAL = newRV_noinc ((SV *)result); 550 RETVAL = newRV_noinc ((SV *)result);
406} 551}
407 OUTPUT: 552 OUTPUT:
408 RETVAL 553 RETVAL
409 554
410#############################################################################
411 555
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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