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Comparing CV/CV.xs (file contents):
Revision 1.18 by root, Wed Jul 20 09:06:37 2005 UTC vs.
Revision 1.27 by root, Sun Aug 21 02:23:52 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) 145dealpha_expose (GdkPixbuf *pb)
131 CODE: 146 CODE:
132{ 147{
133 int w = gdk_pixbuf_get_width (pb); 148 int w = gdk_pixbuf_get_width (pb);
134 int h = gdk_pixbuf_get_height (pb); 149 int h = gdk_pixbuf_get_height (pb);
135 int bpp = gdk_pixbuf_get_n_channels (pb); 150 int bpp = gdk_pixbuf_get_n_channels (pb);
136 int x, y, i; 151 int x, y, i;
137 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 152 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
138 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 153 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
139 154
140 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 155 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
141 156
142 dst = gdk_pixbuf_get_pixels (RETVAL); 157 dst = gdk_pixbuf_get_pixels (RETVAL);
143 dstr = gdk_pixbuf_get_rowstride (RETVAL); 158 dstr = gdk_pixbuf_get_rowstride (RETVAL);
144 159
145 for (y = 0; y < h; y++)
146 for (x = 0; x < w; x++) 160 for (x = 0; x < w; x++)
161 for (y = 0; y < h; y++)
147 for (i = 0; i < bpp; i++) 162 for (i = 0; i < 3; i++)
148 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];
149} 164}
150 OUTPUT: 165 OUTPUT:
151 RETVAL 166 RETVAL
152 167
153GdkPixbuf_noinc * 168GdkPixbuf_noinc *
154flop (GdkPixbuf *pb) 169transpose (GdkPixbuf *pb)
155 CODE: 170 CODE:
156{ 171{
157 int w = gdk_pixbuf_get_width (pb); 172 int w = gdk_pixbuf_get_width (pb);
158 int h = gdk_pixbuf_get_height (pb); 173 int h = gdk_pixbuf_get_height (pb);
159 int bpp = gdk_pixbuf_get_n_channels (pb); 174 int bpp = gdk_pixbuf_get_n_channels (pb);
160 int x, y, i; 175 int x, y, i;
161 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 176 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
162 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 177 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
163 178
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
164 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);
165 204
166 dst = gdk_pixbuf_get_pixels (RETVAL); 205 dst = gdk_pixbuf_get_pixels (RETVAL);
167 dstr = gdk_pixbuf_get_rowstride (RETVAL); 206 dstr = gdk_pixbuf_get_rowstride (RETVAL);
168 207
… …
173} 212}
174 OUTPUT: 213 OUTPUT:
175 RETVAL 214 RETVAL
176 215
177GdkPixbuf_noinc * 216GdkPixbuf_noinc *
178load_jpeg (char *path, int thumbnail=0) 217load_jpeg (SV *path, int thumbnail=0)
179 CODE: 218 CODE:
180{ 219{
181 struct jpeg_decompress_struct cinfo; 220 struct jpeg_decompress_struct cinfo;
182 struct jpg_err_mgr jerr; 221 struct jpg_err_mgr jerr;
183 guchar *data; 222 guchar *data;
184 int rs; 223 int rs;
185 FILE *fp; 224 FILE *fp;
186 volatile GdkPixbuf *pb = 0; 225 volatile GdkPixbuf *pb = 0;
226 gchar *filename;
227
187 RETVAL = 0; 228 RETVAL = 0;
188 229
189 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)
190 XSRETURN_UNDEF; 235 XSRETURN_UNDEF;
191 236
192 cinfo.err = jpeg_std_error (&jerr.err); 237 cinfo.err = jpeg_std_error (&jerr.err);
193 238
194 jerr.err.error_exit = cv_error_exit; 239 jerr.err.error_exit = cv_error_exit;
… …
225 { 270 {
226 cinfo.dct_method = JDCT_FASTEST; 271 cinfo.dct_method = JDCT_FASTEST;
227 cinfo.do_fancy_upsampling = FALSE; 272 cinfo.do_fancy_upsampling = FALSE;
228 273
229 while (cinfo.scale_denom < 8 274 while (cinfo.scale_denom < 8
230 && (cinfo.output_width >> 1) >= IW 275 && cinfo.output_width >= IW*4
231 && (cinfo.output_height >> 1) >= IH) 276 && cinfo.output_height >= IH*4)
232 { 277 {
233 cinfo.scale_denom <<= 1; 278 cinfo.scale_denom <<= 1;
234 jpeg_calc_output_dimensions (&cinfo); 279 jpeg_calc_output_dimensions (&cinfo);
235 } 280 }
236 } 281 }
… …
275foldcase (SV *pathsv) 320foldcase (SV *pathsv)
276 PROTOTYPE: $ 321 PROTOTYPE: $
277 CODE: 322 CODE:
278{ 323{
279 STRLEN plen; 324 STRLEN plen;
280 U8 *path = SvPVutf8 (pathsv, plen); 325 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
281 U8 *pend = path + plen; 326 U8 *pend = path + plen;
282 U8 dst [plen * 6 * 3], *dstp = dst; 327 U8 dst [plen * 6 * 3], *dstp = dst;
283 328
284 while (path < pend) 329 while (path < pend)
285 { 330 {
331 U8 ch = *path;
332
286 if (*path >= '0' && *path <= '9') 333 if (ch >= 'a' && ch <= 'z')
334 *dstp++ = *path++;
335 else if (ch >= '0' && ch <= '9')
287 { 336 {
288 STRLEN el, nl = 0; 337 STRLEN el, nl = 0;
289 while (*path >= '0' && *path <= '9') 338 while (*path >= '0' && *path <= '9' && path < pend)
290 path++, nl++; 339 path++, nl++;
291 340
292 for (el = nl; el < 6; el++) 341 for (el = nl; el < 6; el++)
293 *dstp++ = '0'; 342 *dstp++ = '0';
294 343
… …
302 dstp += cl; 351 dstp += cl;
303 path += is_utf8_char (path); 352 path += is_utf8_char (path);
304 } 353 }
305 } 354 }
306 355
307 RETVAL = newSVpvn (dst, dstp - dst); 356 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
308} 357}
309 OUTPUT: 358 OUTPUT:
310 RETVAL 359 RETVAL
311 360
312GdkPixbuf_noinc * 361GdkPixbuf_noinc *
313p7_to_pb (int w, int h, guchar *src) 362p7_to_pb (int w, int h, SV *src_sv)
363 PROTOTYPE: @
314 CODE: 364 CODE:
315{ 365{
316 int x, y; 366 int x, y;
317 guchar *dst, *d; 367 guchar *dst, *d;
318 int dstr; 368 int dstr;
369 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
319 370
320 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 371 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
321 dst = gdk_pixbuf_get_pixels (RETVAL); 372 dst = gdk_pixbuf_get_pixels (RETVAL);
322 dstr = gdk_pixbuf_get_rowstride (RETVAL); 373 dstr = gdk_pixbuf_get_rowstride (RETVAL);
323 374
… …
350 401
351 RETVAL = newSV (w * h); 402 RETVAL = newSV (w * h);
352 SvPOK_only (RETVAL); 403 SvPOK_only (RETVAL);
353 SvCUR_set (RETVAL, w * h); 404 SvCUR_set (RETVAL, w * h);
354 405
355 dst = SvPVX (RETVAL); 406 dst = (guchar *)SvPVX (RETVAL);
356 407
357 memset (Er, 0, sizeof (int) * IW); 408 memset (Er, 0, sizeof (int) * IW);
358 memset (Eg, 0, sizeof (int) * IW); 409 memset (Eg, 0, sizeof (int) * IW);
359 memset (Eb, 0, sizeof (int) * IW); 410 memset (Eb, 0, sizeof (int) * IW);
360 411
… …
388 *dst++ = r << 5 | g << 2 | b; 439 *dst++ = r << 5 | g << 2 | b;
389 } 440 }
390 } 441 }
391} 442}
392 OUTPUT: 443 OUTPUT:
393 RETVAL
394
395SV *
396make_histogram (SV *ar)
397 CODE:
398{
399 int i;
400 AV *av, *result;
401
402 if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
403 croak ("Not an array ref as first argument to make_histogram");
404
405 av = (AV *) SvRV (ar);
406 result = newAV ();
407
408 for (i = 0; i <= av_len (av); ++i)
409 {
410 const int HISTSIZE = 64;
411
412 int j;
413 SV *sv = *av_fetch (av, i, 1);
414 STRLEN len;
415 char *buf = SvPVbyte (sv, len);
416
417 int tmphist[HISTSIZE];
418 float *hist;
419
420 SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
421 SvPOK_on (histsv);
422 SvCUR_set (histsv, HISTSIZE * sizeof (float));
423 hist = (float *)SvPVX (histsv);
424
425 Zero (tmphist, sizeof (tmphist), char);
426
427 for (j = len; j--; )
428 {
429 unsigned int idx
430 = ((*buf & 0xc0) >> 2)
431 | ((*buf & 0x18) >> 1)
432 | (*buf & 0x03);
433
434 ++tmphist[idx];
435 ++buf;
436 }
437
438 for (j = 0; j < HISTSIZE; ++j)
439 hist[j] = (float)tmphist[j] / (len + 1e-30);
440
441 av_push (result, histsv);
442 }
443
444 RETVAL = newRV_noinc ((SV *)result);
445}
446 OUTPUT:
447 RETVAL 444 RETVAL
448 445
449############################################################################# 446#############################################################################
450 447
451MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript 448MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
… …
508 505
509 RETVAL = newSV (6 * 8 * 12 / 8); 506 RETVAL = newSV (6 * 8 * 12 / 8);
510 SvPOK_only (RETVAL); 507 SvPOK_only (RETVAL);
511 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 508 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
512 509
513 dst = SvPVX (RETVAL); 510 dst = (guchar *)SvPVX (RETVAL);
514 511
515 /* some primitive error distribution + random dithering */ 512 /* some primitive error distribution + random dithering */
516 513
517 for (y = 0; y < h; y++) 514 for (y = 0; y < h; y++)
518 { 515 {
… …
576 } 573 }
577} 574}
578 OUTPUT: 575 OUTPUT:
579 RETVAL 576 RETVAL
580 577
578#############################################################################
581 579
580MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
582 581
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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