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Comparing CV/CV.xs (file contents):
Revision 1.19 by root, Wed Jul 20 22:33:01 2005 UTC vs.
Revision 1.23 by root, Tue Aug 16 23:50:39 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 in Gtk2 perl module
132
133gboolean
134gdk_net_wm_supports (GdkAtom property)
135 CODE:
136#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
137 RETVAL = gdk_net_wm_supports (property);
138#else
139 RETVAL = 0;
140#endif
141 OUTPUT:
142 RETVAL
143
129GdkPixbuf_noinc * 144GdkPixbuf_noinc *
130transpose (GdkPixbuf *pb) 145transpose (GdkPixbuf *pb)
131 CODE: 146 CODE:
132{ 147{
133 int w = gdk_pixbuf_get_width (pb); 148 int w = gdk_pixbuf_get_width (pb);
… …
173} 188}
174 OUTPUT: 189 OUTPUT:
175 RETVAL 190 RETVAL
176 191
177GdkPixbuf_noinc * 192GdkPixbuf_noinc *
178load_jpeg (char *path, int thumbnail=0) 193load_jpeg (SV *path, int thumbnail=0)
179 CODE: 194 CODE:
180{ 195{
181 struct jpeg_decompress_struct cinfo; 196 struct jpeg_decompress_struct cinfo;
182 struct jpg_err_mgr jerr; 197 struct jpg_err_mgr jerr;
183 guchar *data; 198 guchar *data;
184 int rs; 199 int rs;
185 FILE *fp; 200 FILE *fp;
186 volatile GdkPixbuf *pb = 0; 201 volatile GdkPixbuf *pb = 0;
202 gchar *filename;
203
187 RETVAL = 0; 204 RETVAL = 0;
188 205
189 if (!(fp = fopen (path, "rb"))) 206 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
207 fp = fopen (filename, "rb");
208 g_free (filename);
209
210 if (!fp)
190 XSRETURN_UNDEF; 211 XSRETURN_UNDEF;
191 212
192 cinfo.err = jpeg_std_error (&jerr.err); 213 cinfo.err = jpeg_std_error (&jerr.err);
193 214
194 jerr.err.error_exit = cv_error_exit; 215 jerr.err.error_exit = cv_error_exit;
… …
225 { 246 {
226 cinfo.dct_method = JDCT_FASTEST; 247 cinfo.dct_method = JDCT_FASTEST;
227 cinfo.do_fancy_upsampling = FALSE; 248 cinfo.do_fancy_upsampling = FALSE;
228 249
229 while (cinfo.scale_denom < 8 250 while (cinfo.scale_denom < 8
230 && (cinfo.output_width >> 1) >= IW 251 && cinfo.output_width >= IW*4
231 && (cinfo.output_height >> 1) >= IH) 252 && cinfo.output_height >= IH*4)
232 { 253 {
233 cinfo.scale_denom <<= 1; 254 cinfo.scale_denom <<= 1;
234 jpeg_calc_output_dimensions (&cinfo); 255 jpeg_calc_output_dimensions (&cinfo);
235 } 256 }
236 } 257 }
… …
313 OUTPUT: 334 OUTPUT:
314 RETVAL 335 RETVAL
315 336
316GdkPixbuf_noinc * 337GdkPixbuf_noinc *
317p7_to_pb (int w, int h, guchar *src) 338p7_to_pb (int w, int h, guchar *src)
339 PROTOTYPE: @
318 CODE: 340 CODE:
319{ 341{
320 int x, y; 342 int x, y;
321 guchar *dst, *d; 343 guchar *dst, *d;
322 int dstr; 344 int dstr;
… …
394 } 416 }
395} 417}
396 OUTPUT: 418 OUTPUT:
397 RETVAL 419 RETVAL
398 420
399SV *
400make_histogram (SV *ar)
401 CODE:
402{
403 int i;
404 AV *av, *result;
405
406 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
407 croak ("Not an array ref as first argument to make_histogram");
408
409 av = (AV *) SvRV (ar);
410 result = newAV ();
411
412 for (i = 0; i <= av_len (av); ++i)
413 {
414 const int HISTSIZE = 64;
415
416 int j;
417 SV *sv = *av_fetch (av, i, 1);
418 STRLEN len;
419 char *buf = SvPVbyte (sv, len);
420
421 int tmphist[HISTSIZE];
422 float *hist;
423
424 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
425 SvPOK_on (histsv);
426 SvCUR_set (histsv, HISTSIZE * sizeof (float));
427 hist = (float *)SvPVX (histsv);
428
429 Zero (tmphist, sizeof (tmphist), char);
430
431 for (j = len; j--; )
432 {
433 unsigned int idx
434 = ((*buf & 0xc0) >> 2)
435 | ((*buf & 0x18) >> 1)
436 | (*buf & 0x03);
437
438 ++tmphist[idx];
439 ++buf;
440 }
441
442 for (j = 0; j < HISTSIZE; ++j)
443 hist[j] = (float)tmphist[j] / (len + 1e-30);
444
445 av_push (result, histsv);
446 }
447
448 RETVAL = newRV_noinc ((SV *)result);
449}
450 OUTPUT:
451 RETVAL
452
453############################################################################# 421#############################################################################
454 422
455MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript 423MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
456 424
457void 425void
… …
580 } 548 }
581} 549}
582 OUTPUT: 550 OUTPUT:
583 RETVAL 551 RETVAL
584 552
553#############################################################################
585 554
555MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
586 556
557SV *
558make_histograms (SV *ar)
559 CODE:
560{
561 int i;
562 AV *av, *result;
563
564 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
565 croak ("Not an array ref as first argument to make_histogram");
566
567 av = (AV *) SvRV (ar);
568 result = newAV ();
569
570 for (i = 0; i <= av_len (av); ++i)
571 {
572 const int HISTSIZE = 64;
573
574 int j;
575 SV *sv = *av_fetch (av, i, 1);
576 STRLEN len;
577 char *buf = SvPVbyte (sv, len);
578
579 int tmphist[HISTSIZE];
580 float *hist;
581
582 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
583 SvPOK_on (histsv);
584 SvCUR_set (histsv, HISTSIZE * sizeof (float));
585 hist = (float *)SvPVX (histsv);
586
587 Zero (tmphist, sizeof (tmphist), char);
588
589 for (j = len; j--; )
590 {
591 unsigned int idx
592 = ((*buf & 0xc0) >> 2)
593 | ((*buf & 0x18) >> 1)
594 | (*buf & 0x03);
595
596 ++tmphist[idx];
597 ++buf;
598 }
599
600 for (j = 0; j < HISTSIZE; ++j)
601 hist[j] = (float)tmphist[j] / (len + 1e-30);
602
603 av_push (result, histsv);
604 }
605
606 RETVAL = newRV_noinc ((SV *)result);
607}
608 OUTPUT:
609 RETVAL
610
611

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