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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 1.27 by root, Sun Aug 21 02:23:52 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 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
128GdkPixbuf_noinc * 144GdkPixbuf_noinc *
129transpose (GdkPixbuf *pb) 145dealpha_expose (GdkPixbuf *pb)
130 CODE: 146 CODE:
131{ 147{
132 int w = gdk_pixbuf_get_width (pb); 148 int w = gdk_pixbuf_get_width (pb);
133 int h = gdk_pixbuf_get_height (pb); 149 int h = gdk_pixbuf_get_height (pb);
134 int bpp = gdk_pixbuf_get_n_channels (pb); 150 int bpp = gdk_pixbuf_get_n_channels (pb);
135 int x, y, i; 151 int x, y, i;
136 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 152 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
137 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 153 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
138 154
139 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 155 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
140 156
141 dst = gdk_pixbuf_get_pixels (RETVAL); 157 dst = gdk_pixbuf_get_pixels (RETVAL);
142 dstr = gdk_pixbuf_get_rowstride (RETVAL); 158 dstr = gdk_pixbuf_get_rowstride (RETVAL);
143 159
144 for (y = 0; y < h; y++)
145 for (x = 0; x < w; x++) 160 for (x = 0; x < w; x++)
161 for (y = 0; y < h; y++)
146 for (i = 0; i < bpp; i++) 162 for (i = 0; i < 3; i++)
147 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 163 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
148} 164}
149 OUTPUT: 165 OUTPUT:
150 RETVAL 166 RETVAL
151 167
152GdkPixbuf_noinc * 168GdkPixbuf_noinc *
153flop (GdkPixbuf *pb) 169transpose (GdkPixbuf *pb)
154 CODE: 170 CODE:
155{ 171{
156 int w = gdk_pixbuf_get_width (pb); 172 int w = gdk_pixbuf_get_width (pb);
157 int h = gdk_pixbuf_get_height (pb); 173 int h = gdk_pixbuf_get_height (pb);
158 int bpp = gdk_pixbuf_get_n_channels (pb); 174 int bpp = gdk_pixbuf_get_n_channels (pb);
159 int x, y, i; 175 int x, y, i;
160 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 176 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
161 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 177 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
162 178
179 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w);
180
181 dst = gdk_pixbuf_get_pixels (RETVAL);
182 dstr = gdk_pixbuf_get_rowstride (RETVAL);
183
184 for (y = 0; y < h; y++)
185 for (x = 0; x < w; x++)
186 for (i = 0; i < bpp; i++)
187 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i];
188}
189 OUTPUT:
190 RETVAL
191
192GdkPixbuf_noinc *
193flop (GdkPixbuf *pb)
194 CODE:
195{
196 int w = gdk_pixbuf_get_width (pb);
197 int h = gdk_pixbuf_get_height (pb);
198 int bpp = gdk_pixbuf_get_n_channels (pb);
199 int x, y, i;
200 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
201 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
202
163 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); 203 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
164 204
165 dst = gdk_pixbuf_get_pixels (RETVAL); 205 dst = gdk_pixbuf_get_pixels (RETVAL);
166 dstr = gdk_pixbuf_get_rowstride (RETVAL); 206 dstr = gdk_pixbuf_get_rowstride (RETVAL);
167 207
… …
172} 212}
173 OUTPUT: 213 OUTPUT:
174 RETVAL 214 RETVAL
175 215
176GdkPixbuf_noinc * 216GdkPixbuf_noinc *
177load_jpeg (char *path, int thumbnail=0) 217load_jpeg (SV *path, int thumbnail=0)
178 CODE: 218 CODE:
179{ 219{
180 struct jpeg_decompress_struct cinfo; 220 struct jpeg_decompress_struct cinfo;
181 struct jpg_err_mgr jerr; 221 struct jpg_err_mgr jerr;
182 guchar *data; 222 guchar *data;
183 int rs; 223 int rs;
184 FILE *fp; 224 FILE *fp;
185 volatile GdkPixbuf *pb = 0; 225 volatile GdkPixbuf *pb = 0;
226 gchar *filename;
227
186 RETVAL = 0; 228 RETVAL = 0;
187 229
188 if (!(fp = fopen (path, "rb"))) 230 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
231 fp = fopen (filename, "rb");
232 g_free (filename);
233
234 if (!fp)
189 XSRETURN_UNDEF; 235 XSRETURN_UNDEF;
190 236
191 cinfo.err = jpeg_std_error (&jerr.err); 237 cinfo.err = jpeg_std_error (&jerr.err);
192 238
193 jerr.err.error_exit = cv_error_exit; 239 jerr.err.error_exit = cv_error_exit;
… …
224 { 270 {
225 cinfo.dct_method = JDCT_FASTEST; 271 cinfo.dct_method = JDCT_FASTEST;
226 cinfo.do_fancy_upsampling = FALSE; 272 cinfo.do_fancy_upsampling = FALSE;
227 273
228 while (cinfo.scale_denom < 8 274 while (cinfo.scale_denom < 8
229 && (cinfo.output_width >> 1) >= IW 275 && cinfo.output_width >= IW*4
230 && (cinfo.output_height >> 1) >= IH) 276 && cinfo.output_height >= IH*4)
231 { 277 {
232 cinfo.scale_denom <<= 1; 278 cinfo.scale_denom <<= 1;
233 jpeg_calc_output_dimensions (&cinfo); 279 jpeg_calc_output_dimensions (&cinfo);
234 } 280 }
235 } 281 }
… …
268 314
269############################################################################# 315#############################################################################
270 316
271MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 317MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
272 318
319SV *
320foldcase (SV *pathsv)
321 PROTOTYPE: $
322 CODE:
323{
324 STRLEN plen;
325 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
326 U8 *pend = path + plen;
327 U8 dst [plen * 6 * 3], *dstp = dst;
328
329 while (path < pend)
330 {
331 U8 ch = *path;
332
333 if (ch >= 'a' && ch <= 'z')
334 *dstp++ = *path++;
335 else if (ch >= '0' && ch <= '9')
336 {
337 STRLEN el, nl = 0;
338 while (*path >= '0' && *path <= '9' && path < pend)
339 path++, nl++;
340
341 for (el = nl; el < 6; el++)
342 *dstp++ = '0';
343
344 memcpy (dstp, path - nl, nl);
345 dstp += nl;
346 }
347 else
348 {
349 STRLEN cl;
350 to_utf8_fold (path, dstp, &cl);
351 dstp += cl;
352 path += is_utf8_char (path);
353 }
354 }
355
356 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
357}
358 OUTPUT:
359 RETVAL
360
273GdkPixbuf_noinc * 361GdkPixbuf_noinc *
274p7_to_pb (int w, int h, guchar *src) 362p7_to_pb (int w, int h, SV *src_sv)
363 PROTOTYPE: @
275 CODE: 364 CODE:
276{ 365{
277 int x, y; 366 int x, y;
278 guchar *dst, *d; 367 guchar *dst, *d;
279 int dstr; 368 int dstr;
369 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
280 370
281 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 371 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
282 dst = gdk_pixbuf_get_pixels (RETVAL); 372 dst = gdk_pixbuf_get_pixels (RETVAL);
283 dstr = gdk_pixbuf_get_rowstride (RETVAL); 373 dstr = gdk_pixbuf_get_rowstride (RETVAL);
284 374
… …
311 401
312 RETVAL = newSV (w * h); 402 RETVAL = newSV (w * h);
313 SvPOK_only (RETVAL); 403 SvPOK_only (RETVAL);
314 SvCUR_set (RETVAL, w * h); 404 SvCUR_set (RETVAL, w * h);
315 405
316 dst = SvPVX (RETVAL); 406 dst = (guchar *)SvPVX (RETVAL);
317 407
318 memset (Er, 0, sizeof (int) * IW); 408 memset (Er, 0, sizeof (int) * IW);
319 memset (Eg, 0, sizeof (int) * IW); 409 memset (Eg, 0, sizeof (int) * IW);
320 memset (Eb, 0, sizeof (int) * IW); 410 memset (Eb, 0, sizeof (int) * IW);
321 411
… …
349 *dst++ = r << 5 | g << 2 | b; 439 *dst++ = r << 5 | g << 2 | b;
350 } 440 }
351 } 441 }
352} 442}
353 OUTPUT: 443 OUTPUT:
354 RETVAL
355
356SV *
357make_histogram (SV *ar)
358 CODE:
359{
360 int i;
361 AV *av, *result;
362
363 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
364 croak ("Not an array ref as first argument to make_histogram");
365
366 av = (AV *) SvRV (ar);
367 result = newAV ();
368
369 for (i = 0; i <= av_len (av); ++i)
370 {
371 const int HISTSIZE = 64;
372
373 int j;
374 SV *sv = *av_fetch (av, i, 1);
375 STRLEN len;
376 char *buf = SvPVbyte (sv, len);
377
378 int tmphist[HISTSIZE];
379 float *hist;
380
381 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
382 SvPOK_on (histsv);
383 SvCUR_set (histsv, HISTSIZE * sizeof (float));
384 hist = (float *)SvPVX (histsv);
385
386 Zero (tmphist, sizeof (tmphist), char);
387
388 for (j = len; j--; )
389 {
390 unsigned int idx
391 = ((*buf & 0xc0) >> 2)
392 | ((*buf & 0x18) >> 1)
393 | (*buf & 0x03);
394
395 ++tmphist[idx];
396 ++buf;
397 }
398
399 for (j = 0; j < HISTSIZE; ++j)
400 hist[j] = (float)tmphist[j] / (len + 1e-30);
401
402 av_push (result, histsv);
403 }
404
405 RETVAL = newRV_noinc ((SV *)result);
406}
407 OUTPUT:
408 RETVAL 444 RETVAL
409 445
410############################################################################# 446#############################################################################
411 447
412MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript 448MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
… …
469 505
470 RETVAL = newSV (6 * 8 * 12 / 8); 506 RETVAL = newSV (6 * 8 * 12 / 8);
471 SvPOK_only (RETVAL); 507 SvPOK_only (RETVAL);
472 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 508 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
473 509
474 dst = SvPVX (RETVAL); 510 dst = (guchar *)SvPVX (RETVAL);
475 511
476 /* some primitive error distribution + random dithering */ 512 /* some primitive error distribution + random dithering */
477 513
478 for (y = 0; y < h; y++) 514 for (y = 0; y < h; y++)
479 { 515 {
… …
537 } 573 }
538} 574}
539 OUTPUT: 575 OUTPUT:
540 RETVAL 576 RETVAL
541 577
578#############################################################################
542 579
580MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
543 581
582SV *
583make_histograms (SV *ar)
584 CODE:
585{
586 int i;
587 AV *av, *result;
588
589 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
590 croak ("Not an array ref as first argument to make_histogram");
591
592 av = (AV *) SvRV (ar);
593 result = newAV ();
594
595 for (i = 0; i <= av_len (av); ++i)
596 {
597 const int HISTSIZE = 64;
598
599 int j;
600 SV *sv = *av_fetch (av, i, 1);
601 STRLEN len;
602 char *buf = SvPVbyte (sv, len);
603
604 int tmphist[HISTSIZE];
605 float *hist;
606
607 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
608 SvPOK_on (histsv);
609 SvCUR_set (histsv, HISTSIZE * sizeof (float));
610 hist = (float *)SvPVX (histsv);
611
612 Zero (tmphist, sizeof (tmphist), char);
613
614 for (j = len; j--; )
615 {
616 unsigned int idx
617 = ((*buf & 0xc0) >> 2)
618 | ((*buf & 0x18) >> 1)
619 | (*buf & 0x03);
620
621 ++tmphist[idx];
622 ++buf;
623 }
624
625 for (j = 0; j < HISTSIZE; ++j)
626 hist[j] = (float)tmphist[j] / (len + 1e-30);
627
628 av_push (result, histsv);
629 }
630
631 RETVAL = newRV_noinc ((SV *)result);
632}
633 OUTPUT:
634 RETVAL
635
636

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