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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 1.29 by root, Sat Sep 24 01:25:17 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 gchar *filename;
207
186 RETVAL = 0; 208 RETVAL = 0;
187 209
188 if (!(fp = fopen (path, "rb"))) 210 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
211 fp = fopen (filename, "rb");
212 g_free (filename);
213
214 if (!fp)
189 XSRETURN_UNDEF; 215 XSRETURN_UNDEF;
190 216
191 cinfo.err = jpeg_std_error (&jerr.err); 217 cinfo.err = jpeg_std_error (&jerr.err);
192 218
193 jerr.err.error_exit = cv_error_exit; 219 jerr.err.error_exit = cv_error_exit;
… …
224 { 250 {
225 cinfo.dct_method = JDCT_FASTEST; 251 cinfo.dct_method = JDCT_FASTEST;
226 cinfo.do_fancy_upsampling = FALSE; 252 cinfo.do_fancy_upsampling = FALSE;
227 253
228 while (cinfo.scale_denom < 8 254 while (cinfo.scale_denom < 8
229 && (cinfo.output_width >> 1) >= IW 255 && cinfo.output_width >= IW*4
230 && (cinfo.output_height >> 1) >= IH) 256 && cinfo.output_height >= IH*4)
231 { 257 {
232 cinfo.scale_denom <<= 1; 258 cinfo.scale_denom <<= 1;
233 jpeg_calc_output_dimensions (&cinfo); 259 jpeg_calc_output_dimensions (&cinfo);
234 } 260 }
235 } 261 }
… …
268 294
269############################################################################# 295#############################################################################
270 296
271MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 297MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
272 298
299SV *
300foldcase (SV *pathsv)
301 PROTOTYPE: $
302 CODE:
303{
304 STRLEN plen;
305 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
306 U8 *pend = path + plen;
307 U8 dst [plen * 6 * 3], *dstp = dst;
308
309 while (path < pend)
310 {
311 U8 ch = *path;
312
313 if (ch >= 'a' && ch <= 'z')
314 *dstp++ = *path++;
315 else if (ch >= '0' && ch <= '9')
316 {
317 STRLEN el, nl = 0;
318 while (*path >= '0' && *path <= '9' && path < pend)
319 path++, nl++;
320
321 for (el = nl; el < 6; el++)
322 *dstp++ = '0';
323
324 memcpy (dstp, path - nl, nl);
325 dstp += nl;
326 }
327 else
328 {
329 STRLEN cl;
330 to_utf8_fold (path, dstp, &cl);
331 dstp += cl;
332 path += is_utf8_char (path);
333 }
334 }
335
336 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
337}
338 OUTPUT:
339 RETVAL
340
273GdkPixbuf_noinc * 341GdkPixbuf_noinc *
274p7_to_pb (int w, int h, guchar *src) 342p7_to_pb (int w, int h, SV *src_sv)
343 PROTOTYPE: @
275 CODE: 344 CODE:
276{ 345{
277 int x, y; 346 int x, y;
278 guchar *dst, *d; 347 guchar *dst, *d;
279 int dstr; 348 int dstr;
349 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
280 350
281 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 351 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
282 dst = gdk_pixbuf_get_pixels (RETVAL); 352 dst = gdk_pixbuf_get_pixels (RETVAL);
283 dstr = gdk_pixbuf_get_rowstride (RETVAL); 353 dstr = gdk_pixbuf_get_rowstride (RETVAL);
284 354
… …
293 } 363 }
294} 364}
295 OUTPUT: 365 OUTPUT:
296 RETVAL 366 RETVAL
297 367
368#############################################################################
369
370MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
371
372void
373dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
374 CODE:
375{
376 int w = gdk_pixbuf_get_width (pb);
377 int h = gdk_pixbuf_get_height (pb);
378 int x, y, i;
379 guchar *dst;
380 int bpp = gdk_pixbuf_get_n_channels (pb);
381 guchar *src = gdk_pixbuf_get_pixels (pb);
382 int sstr = gdk_pixbuf_get_rowstride (pb);
383
384 a85_init ();
385
386 for (y = 0; y < h; y++)
387 for (x = 0; x < w; x++)
388 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
389 a85_push (fp, src [x * bpp + y * sstr + i]);
390
391 a85_finish (fp);
392}
393
394void
395dump_binary (PerlIO *fp, GdkPixbuf *pb)
396 CODE:
397{
398 int w = gdk_pixbuf_get_width (pb);
399 int h = gdk_pixbuf_get_height (pb);
400 int x, y, i;
401 guchar *dst;
402 int bpp = gdk_pixbuf_get_n_channels (pb);
403 guchar *src = gdk_pixbuf_get_pixels (pb);
404 int sstr = gdk_pixbuf_get_rowstride (pb);
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 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
410}
411
412#############################################################################
413
414MODULE = Gtk2::CV PACKAGE = Gtk2::CV
415
298SV * 416SV *
299pb_to_p7 (GdkPixbuf *pb) 417pb_to_hv84 (GdkPixbuf *pb)
300 CODE: 418 CODE:
301{ 419{
302 int w = gdk_pixbuf_get_width (pb); 420 int w = gdk_pixbuf_get_width (pb);
303 int h = gdk_pixbuf_get_height (pb); 421 int h = gdk_pixbuf_get_height (pb);
304 int x, y; 422 int x, y;
305 guchar *dst; 423 guchar *dst;
306 int bpp = gdk_pixbuf_get_n_channels (pb); 424 int bpp = gdk_pixbuf_get_n_channels (pb);
307 guchar *src = gdk_pixbuf_get_pixels (pb); 425 guchar *src = gdk_pixbuf_get_pixels (pb);
308 int sstr = gdk_pixbuf_get_rowstride (pb); 426 int sstr = gdk_pixbuf_get_rowstride (pb);
309 int Er[IW], Eg[IW], Eb[IW];
310 int seed = 77;
311 427
312 RETVAL = newSV (w * h); 428 RETVAL = newSV (6 * 8 * 12 / 8);
313 SvPOK_only (RETVAL); 429 SvPOK_only (RETVAL);
314 SvCUR_set (RETVAL, w * h); 430 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
315 431
316 dst = SvPVX (RETVAL); 432 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);
321 433
322 /* some primitive error distribution + random dithering */ 434 /* some primitive error distribution + random dithering */
323 435
324 for (y = 0; y < h; y++) 436 for (y = 0; y < h; y++)
325 { 437 {
326 int er = 0, eg = 0, eb = 0; 438 guchar *p = src + y * sstr;
327 439
328 for (x = 0; x < w; x++) 440 for (x = 0; x < w; x += 2)
329 { 441 {
330 int r, g, b; 442 unsigned int r, g, b, h, s, v, H, V1, V2;
331 guchar *p = src + x * bpp + y * sstr;
332 443
333 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; 444 if (bpp == 3)
334 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; 445 r = *p++, g = *p++, b = *p++;
335 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; 446 else if (bpp == 1)
447 r = g = b = *p++;
448 else
449 abort ();
336 450
337 r = r > 7 ? 7 : r < 0 ? 0 : r; 451 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;
340 452
341 er += p[0] - (r * 255 + 4) / 7; 453 H = (h * 15 / 255) << 4;
342 eg += p[1] - (g * 255 + 4) / 7; 454 V1 = v;
343 eb += p[2] - (b * 255 + 2) / 3;
344 455
345 Er[x] = er >> 1; er -= (er + 1) >> 1; 456 if (bpp == 3)
346 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; 457 r = *p++, g = *p++, b = *p++;
347 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; 458 else if (bpp == 1)
459 r = g = b = *p++;
460 else
461 abort ();
348 462
349 *dst++ = r << 5 | g << 2 | b; 463 rgb_to_hsv (r, g, b, &h, &s, &v);
464
465 H |= h * 15 / 255;
466 V2 = v;
467
468 *dst++ = H;
469 *dst++ = V1;
470 *dst++ = V2;
350 } 471 }
351 } 472 }
352} 473}
353 OUTPUT: 474 OUTPUT:
354 RETVAL 475 RETVAL
355 476
356SV * 477SV *
478hv84_to_av (unsigned char *hv84)
479 CODE:
480{
481 int i = 72 / 3;
482 AV *av = newAV ();
483
484 RETVAL = (SV *)newRV_noinc ((SV *)av);
485 while (i--)
486 {
487 int h = *hv84++;
488 int v1 = *hv84++;
489 int v2 = *hv84++;
490
491 av_push (av, newSViv (v1));
492 av_push (av, newSViv ((h >> 4) * 255 / 15));
493 av_push (av, newSViv (v2));
494 av_push (av, newSViv ((h & 15) * 255 / 15));
495 }
496}
497 OUTPUT:
498 RETVAL
499
500#############################################################################
501
502MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
503
504SV *
357make_histogram (SV *ar) 505make_histograms (SV *ar)
358 CODE: 506 CODE:
359{ 507{
360 int i; 508 int i;
361 AV *av, *result; 509 AV *av, *result;
362 510
… …
405 RETVAL = newRV_noinc ((SV *)result); 553 RETVAL = newRV_noinc ((SV *)result);
406} 554}
407 OUTPUT: 555 OUTPUT:
408 RETVAL 556 RETVAL
409 557
410#############################################################################
411 558
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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