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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 1.24 by root, Wed Aug 17 05:25:28 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 }
… …
312} 333}
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, SV *src_sv)
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;
345 guchar *src = SvPVbyte_nolen (src_sv);
323 346
324 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 347 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
325 dst = gdk_pixbuf_get_pixels (RETVAL); 348 dst = gdk_pixbuf_get_pixels (RETVAL);
326 dstr = gdk_pixbuf_get_rowstride (RETVAL); 349 dstr = gdk_pixbuf_get_rowstride (RETVAL);
327 350
… …
394 } 417 }
395} 418}
396 OUTPUT: 419 OUTPUT:
397 RETVAL 420 RETVAL
398 421
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############################################################################# 422#############################################################################
454 423
455MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript 424MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
456 425
457void 426void
… …
580 } 549 }
581} 550}
582 OUTPUT: 551 OUTPUT:
583 RETVAL 552 RETVAL
584 553
554#############################################################################
585 555
556MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
586 557
558SV *
559make_histograms (SV *ar)
560 CODE:
561{
562 int i;
563 AV *av, *result;
564
565 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
566 croak ("Not an array ref as first argument to make_histogram");
567
568 av = (AV *) SvRV (ar);
569 result = newAV ();
570
571 for (i = 0; i <= av_len (av); ++i)
572 {
573 const int HISTSIZE = 64;
574
575 int j;
576 SV *sv = *av_fetch (av, i, 1);
577 STRLEN len;
578 char *buf = SvPVbyte (sv, len);
579
580 int tmphist[HISTSIZE];
581 float *hist;
582
583 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
584 SvPOK_on (histsv);
585 SvCUR_set (histsv, HISTSIZE * sizeof (float));
586 hist = (float *)SvPVX (histsv);
587
588 Zero (tmphist, sizeof (tmphist), char);
589
590 for (j = len; j--; )
591 {
592 unsigned int idx
593 = ((*buf & 0xc0) >> 2)
594 | ((*buf & 0x18) >> 1)
595 | (*buf & 0x03);
596
597 ++tmphist[idx];
598 ++buf;
599 }
600
601 for (j = 0; j < HISTSIZE; ++j)
602 hist[j] = (float)tmphist[j] / (len + 1e-30);
603
604 av_push (result, histsv);
605 }
606
607 RETVAL = newRV_noinc ((SV *)result);
608}
609 OUTPUT:
610 RETVAL
611
612

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