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Comparing CV/CV.xs (file contents):
Revision 1.36 by root, Thu Jun 22 20:50:05 2006 UTC vs.
Revision 1.41 by root, Sat Mar 1 04:11:26 2008 UTC

… …
118 return; 118 return;
119 119
120 f->v2 /= f->n; 120 f->v2 /= f->n;
121 f->v3 /= f->n; 121 f->v3 /= f->n;
122 122
123 // this is a peculiar weightung, but it works fine
124 f->v1 /= 255.; 123 f->v1 /= 255.;
125 f->v2 /= 128. * 128.; 124 f->v2 /= 255. * 255.; f->v2 = sqrtf (f->v2);
126 f->v3 /= 128. * 128. * 64.; 125 f->v3 /= 255. * 255. * 255.; f->v3 = powf (fabsf (f->v3), 1./3.);
127} 126}
128 127
129static guint32 a85_val; 128static guint32 a85_val;
130static guint a85_cnt; 129static guint a85_cnt;
131static guchar a85_buf[LINELENGTH], *a85_ptr; 130static guchar a85_buf[LINELENGTH], *a85_ptr;
… …
244 RETVAL = magic_file (cookie, path); 243 RETVAL = magic_file (cookie, path);
245} 244}
246 OUTPUT: 245 OUTPUT:
247 RETVAL 246 RETVAL
248 247
249# missing in Gtk2 perl module 248# missing/broken in Gtk2 perl module
249
250void
251gdk_window_clear_hints (GdkWindow *window)
252 CODE:
253 gdk_window_set_geometry_hints (window, 0, 0);
250 254
251gboolean 255gboolean
252gdk_net_wm_supports (GdkAtom property) 256gdk_net_wm_supports (GdkAtom property)
253 CODE: 257 CODE:
254#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) 258#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
… …
436 440
437############################################################################# 441#############################################################################
438 442
439MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 443MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
440 444
445# currently only works for filenames (octet strings)
446
441SV * 447SV *
442foldcase (SV *pathsv) 448foldcase (SV *pathsv)
443 PROTOTYPE: $ 449 PROTOTYPE: $
444 CODE: 450 CODE:
445{ 451{
446 STRLEN plen; 452 STRLEN plen;
447 U8 *path = (U8 *)SvPVutf8 (pathsv, plen); 453 U8 *path = (U8 *)SvPV (pathsv, plen);
448 U8 *pend = path + plen; 454 U8 *pend = path + plen;
449 U8 dst [plen * 6 * 3], *dstp = dst; 455 U8 dst [plen * 6 * 3], *dstp = dst;
450 456
451 while (path < pend) 457 while (path < pend)
452 { 458 {
453 U8 ch = *path; 459 U8 ch = *path;
454 460
455 if (ch >= 'a' && ch <= 'z') 461 if (ch >= 'a' && ch <= 'z')
456 *dstp++ = *path++; 462 *dstp++ = *path++;
463 else if (ch >= 'A' && ch <= 'Z')
464 *dstp++ = *path++ + ('a' - 'A');
457 else if (ch >= '0' && ch <= '9') 465 else if (ch >= '0' && ch <= '9')
458 { 466 {
459 STRLEN el, nl = 0; 467 STRLEN el, nl = 0;
460 while (*path >= '0' && *path <= '9' && path < pend) 468 while (*path >= '0' && *path <= '9' && path < pend)
461 path++, nl++; 469 path++, nl++;
… …
464 *dstp++ = '0'; 472 *dstp++ = '0';
465 473
466 memcpy (dstp, path - nl, nl); 474 memcpy (dstp, path - nl, nl);
467 dstp += nl; 475 dstp += nl;
468 } 476 }
477 else
478 *dstp++ = *path++;
479#if 0
469 else 480 else
470 { 481 {
471 STRLEN cl; 482 STRLEN cl;
472 to_utf8_fold (path, dstp, &cl); 483 to_utf8_fold (path, dstp, &cl);
473 dstp += cl; 484 dstp += cl;
474 path += is_utf8_char (path); 485 path += is_utf8_char (path);
475 } 486 }
487#endif
476 } 488 }
477 489
478 RETVAL = newSVpvn ((const char *)dst, dstp - dst); 490 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
479} 491}
480 OUTPUT: 492 OUTPUT:
… …
649{ 661{
650 int i; 662 int i;
651 AV *av, *result; 663 AV *av, *result;
652 664
653 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) 665 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
654 croak ("Not an array ref as first argument to make_histogram"); 666 croak ("Not an array ref as first argument to extract_features");
655 667
656 av = (AV *) SvRV (ar); 668 av = (AV *) SvRV (ar);
657 result = newAV (); 669 result = newAV ();
658 670
659 for (i = 0; i <= av_len (av); ++i) 671 for (i = 0; i <= av_len (av); ++i)
… …
712 feature_finish_pass_2 (&f_v); 724 feature_finish_pass_2 (&f_v);
713 } 725 }
714 726
715 hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.; 727 hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.;
716 hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ; 728 hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ;
717 hist [6] = f_v.v1 ; hist [7] = f_v.v2 ; hist [8] = f_v.v3 ; 729 hist [6] = f_v.v1 * .5; hist [7] = f_v.v2 * .5; hist [8] = f_v.v3 * .5;
718 730
719 av_push (result, histsv); 731 av_push (result, histsv);
720 } 732 }
721 733
722 RETVAL = newRV_noinc ((SV *)result); 734 RETVAL = newRV_noinc ((SV *)result);
723} 735}
724 OUTPUT: 736 OUTPUT:
725 RETVAL 737 RETVAL
726 738
727SV *
728make_histograms (SV *ar)
729 CODE:
730{
731 int i;
732 AV *av, *result;
733
734 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
735 croak ("Not an array ref as first argument to make_histogram");
736
737 av = (AV *) SvRV (ar);
738 result = newAV ();
739
740 for (i = 0; i <= av_len (av); ++i)
741 {
742 const int HISTSIZE = 64;
743
744 int j;
745 SV *sv = *av_fetch (av, i, 1);
746 STRLEN len;
747 char *buf = SvPVbyte (sv, len);
748
749 int tmphist[HISTSIZE];
750 float *hist;
751
752 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
753 SvPOK_on (histsv);
754 SvCUR_set (histsv, HISTSIZE * sizeof (float));
755 hist = (float *)SvPVX (histsv);
756
757 Zero (tmphist, sizeof (tmphist), char);
758
759 for (j = len; j--; )
760 {
761 unsigned int idx
762 = ((*buf & 0xc0) >> 2)
763 | ((*buf & 0x18) >> 1)
764 | (*buf & 0x03);
765
766 ++tmphist[idx];
767 ++buf;
768 }
769
770 for (j = 0; j < HISTSIZE; ++j)
771 hist[j] = (float)tmphist[j] / (len + 1e-30);
772
773 av_push (result, histsv);
774 }
775
776 RETVAL = newRV_noinc ((SV *)result);
777}
778 OUTPUT:
779 RETVAL
780
781

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