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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 1.28 by root, Mon Aug 22 00:30:58 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) 169rotate (GdkPixbuf *pb, int angle)
154 CODE: 170 CODE:
155{ 171 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
156 int w = gdk_pixbuf_get_width (pb); 172 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
157 int h = gdk_pixbuf_get_height (pb); 173 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
158 int bpp = gdk_pixbuf_get_n_channels (pb); 174 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
159 int x, y, i; 175 : angle);
160 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
161 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
162
163 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
164
165 dst = gdk_pixbuf_get_pixels (RETVAL);
166 dstr = gdk_pixbuf_get_rowstride (RETVAL);
167
168 for (y = 0; y < h; y++)
169 for (x = 0; x < w; x++)
170 for (i = 0; i < bpp; i++)
171 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
172}
173 OUTPUT: 176 OUTPUT:
174 RETVAL 177 RETVAL
175 178
176GdkPixbuf_noinc * 179GdkPixbuf_noinc *
177load_jpeg (char *path, int thumbnail=0) 180load_jpeg (SV *path, int thumbnail=0)
178 CODE: 181 CODE:
179{ 182{
180 struct jpeg_decompress_struct cinfo; 183 struct jpeg_decompress_struct cinfo;
181 struct jpg_err_mgr jerr; 184 struct jpg_err_mgr jerr;
182 guchar *data; 185 guchar *data;
183 int rs; 186 int rs;
184 FILE *fp; 187 FILE *fp;
185 volatile GdkPixbuf *pb = 0; 188 volatile GdkPixbuf *pb = 0;
189 gchar *filename;
190
186 RETVAL = 0; 191 RETVAL = 0;
187 192
188 if (!(fp = fopen (path, "rb"))) 193 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
194 fp = fopen (filename, "rb");
195 g_free (filename);
196
197 if (!fp)
189 XSRETURN_UNDEF; 198 XSRETURN_UNDEF;
190 199
191 cinfo.err = jpeg_std_error (&jerr.err); 200 cinfo.err = jpeg_std_error (&jerr.err);
192 201
193 jerr.err.error_exit = cv_error_exit; 202 jerr.err.error_exit = cv_error_exit;
… …
224 { 233 {
225 cinfo.dct_method = JDCT_FASTEST; 234 cinfo.dct_method = JDCT_FASTEST;
226 cinfo.do_fancy_upsampling = FALSE; 235 cinfo.do_fancy_upsampling = FALSE;
227 236
228 while (cinfo.scale_denom < 8 237 while (cinfo.scale_denom < 8
229 && (cinfo.output_width >> 1) >= IW 238 && cinfo.output_width >= IW*4
230 && (cinfo.output_height >> 1) >= IH) 239 && cinfo.output_height >= IH*4)
231 { 240 {
232 cinfo.scale_denom <<= 1; 241 cinfo.scale_denom <<= 1;
233 jpeg_calc_output_dimensions (&cinfo); 242 jpeg_calc_output_dimensions (&cinfo);
234 } 243 }
235 } 244 }
… …
268 277
269############################################################################# 278#############################################################################
270 279
271MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer 280MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
272 281
282SV *
283foldcase (SV *pathsv)
284 PROTOTYPE: $
285 CODE:
286{
287 STRLEN plen;
288 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
289 U8 *pend = path + plen;
290 U8 dst [plen * 6 * 3], *dstp = dst;
291
292 while (path < pend)
293 {
294 U8 ch = *path;
295
296 if (ch >= 'a' && ch <= 'z')
297 *dstp++ = *path++;
298 else if (ch >= '0' && ch <= '9')
299 {
300 STRLEN el, nl = 0;
301 while (*path >= '0' && *path <= '9' && path < pend)
302 path++, nl++;
303
304 for (el = nl; el < 6; el++)
305 *dstp++ = '0';
306
307 memcpy (dstp, path - nl, nl);
308 dstp += nl;
309 }
310 else
311 {
312 STRLEN cl;
313 to_utf8_fold (path, dstp, &cl);
314 dstp += cl;
315 path += is_utf8_char (path);
316 }
317 }
318
319 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
320}
321 OUTPUT:
322 RETVAL
323
273GdkPixbuf_noinc * 324GdkPixbuf_noinc *
274p7_to_pb (int w, int h, guchar *src) 325p7_to_pb (int w, int h, SV *src_sv)
326 PROTOTYPE: @
275 CODE: 327 CODE:
276{ 328{
277 int x, y; 329 int x, y;
278 guchar *dst, *d; 330 guchar *dst, *d;
279 int dstr; 331 int dstr;
332 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
280 333
281 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 334 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
282 dst = gdk_pixbuf_get_pixels (RETVAL); 335 dst = gdk_pixbuf_get_pixels (RETVAL);
283 dstr = gdk_pixbuf_get_rowstride (RETVAL); 336 dstr = gdk_pixbuf_get_rowstride (RETVAL);
284 337
… …
293 } 346 }
294} 347}
295 OUTPUT: 348 OUTPUT:
296 RETVAL 349 RETVAL
297 350
351#############################################################################
352
353MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
354
355void
356dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
357 CODE:
358{
359 int w = gdk_pixbuf_get_width (pb);
360 int h = gdk_pixbuf_get_height (pb);
361 int x, y, i;
362 guchar *dst;
363 int bpp = gdk_pixbuf_get_n_channels (pb);
364 guchar *src = gdk_pixbuf_get_pixels (pb);
365 int sstr = gdk_pixbuf_get_rowstride (pb);
366
367 a85_init ();
368
369 for (y = 0; y < h; y++)
370 for (x = 0; x < w; x++)
371 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
372 a85_push (fp, src [x * bpp + y * sstr + i]);
373
374 a85_finish (fp);
375}
376
377void
378dump_binary (PerlIO *fp, GdkPixbuf *pb)
379 CODE:
380{
381 int w = gdk_pixbuf_get_width (pb);
382 int h = gdk_pixbuf_get_height (pb);
383 int x, y, i;
384 guchar *dst;
385 int bpp = gdk_pixbuf_get_n_channels (pb);
386 guchar *src = gdk_pixbuf_get_pixels (pb);
387 int sstr = gdk_pixbuf_get_rowstride (pb);
388
389 for (y = 0; y < h; y++)
390 for (x = 0; x < w; x++)
391 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
392 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
393}
394
395#############################################################################
396
397MODULE = Gtk2::CV PACKAGE = Gtk2::CV
398
298SV * 399SV *
299pb_to_p7 (GdkPixbuf *pb) 400pb_to_hv84 (GdkPixbuf *pb)
300 CODE: 401 CODE:
301{ 402{
302 int w = gdk_pixbuf_get_width (pb); 403 int w = gdk_pixbuf_get_width (pb);
303 int h = gdk_pixbuf_get_height (pb); 404 int h = gdk_pixbuf_get_height (pb);
304 int x, y; 405 int x, y;
305 guchar *dst; 406 guchar *dst;
306 int bpp = gdk_pixbuf_get_n_channels (pb); 407 int bpp = gdk_pixbuf_get_n_channels (pb);
307 guchar *src = gdk_pixbuf_get_pixels (pb); 408 guchar *src = gdk_pixbuf_get_pixels (pb);
308 int sstr = gdk_pixbuf_get_rowstride (pb); 409 int sstr = gdk_pixbuf_get_rowstride (pb);
309 int Er[IW], Eg[IW], Eb[IW];
310 int seed = 77;
311 410
312 RETVAL = newSV (w * h); 411 RETVAL = newSV (6 * 8 * 12 / 8);
313 SvPOK_only (RETVAL); 412 SvPOK_only (RETVAL);
314 SvCUR_set (RETVAL, w * h); 413 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
315 414
316 dst = SvPVX (RETVAL); 415 dst = (guchar *)SvPVX (RETVAL);
317
318 memset (Er, 0, sizeof (int) * IW);
319 memset (Eg, 0, sizeof (int) * IW);
320 memset (Eb, 0, sizeof (int) * IW);
321 416
322 /* some primitive error distribution + random dithering */ 417 /* some primitive error distribution + random dithering */
323 418
324 for (y = 0; y < h; y++) 419 for (y = 0; y < h; y++)
325 { 420 {
326 int er = 0, eg = 0, eb = 0; 421 guchar *p = src + y * sstr;
327 422
328 for (x = 0; x < w; x++) 423 for (x = 0; x < w; x += 2)
329 { 424 {
330 int r, g, b; 425 unsigned int r, g, b, h, s, v, H, V1, V2;
331 guchar *p = src + x * bpp + y * sstr;
332 426
333 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; 427 if (bpp == 3)
334 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; 428 r = *p++, g = *p++, b = *p++;
335 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; 429 else if (bpp == 1)
430 r = g = b = *p++;
431 else
432 abort ();
336 433
337 r = r > 7 ? 7 : r < 0 ? 0 : r; 434 rgb_to_hsv (r, g, b, &h, &s, &v);
338 g = g > 7 ? 7 : g < 0 ? 0 : g;
339 b = b > 3 ? 3 : b < 0 ? 0 : b;
340 435
341 er += p[0] - (r * 255 + 4) / 7; 436 H = (h * 15 / 255) << 4;
342 eg += p[1] - (g * 255 + 4) / 7; 437 V1 = v;
343 eb += p[2] - (b * 255 + 2) / 3;
344 438
345 Er[x] = er >> 1; er -= (er + 1) >> 1; 439 if (bpp == 3)
346 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; 440 r = *p++, g = *p++, b = *p++;
347 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; 441 else if (bpp == 1)
442 r = g = b = *p++;
443 else
444 abort ();
348 445
349 *dst++ = r << 5 | g << 2 | b; 446 rgb_to_hsv (r, g, b, &h, &s, &v);
447
448 H |= h * 15 / 255;
449 V2 = v;
450
451 *dst++ = H;
452 *dst++ = V1;
453 *dst++ = V2;
350 } 454 }
351 } 455 }
352} 456}
353 OUTPUT: 457 OUTPUT:
354 RETVAL 458 RETVAL
355 459
356SV * 460SV *
461hv84_to_av (unsigned char *hv84)
462 CODE:
463{
464 int i = 72 / 3;
465 AV *av = newAV ();
466
467 RETVAL = (SV *)newRV_noinc ((SV *)av);
468 while (i--)
469 {
470 int h = *hv84++;
471 int v1 = *hv84++;
472 int v2 = *hv84++;
473
474 av_push (av, newSViv (v1));
475 av_push (av, newSViv ((h >> 4) * 255 / 15));
476 av_push (av, newSViv (v2));
477 av_push (av, newSViv ((h & 15) * 255 / 15));
478 }
479}
480 OUTPUT:
481 RETVAL
482
483#############################################################################
484
485MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
486
487SV *
357make_histogram (SV *ar) 488make_histograms (SV *ar)
358 CODE: 489 CODE:
359{ 490{
360 int i; 491 int i;
361 AV *av, *result; 492 AV *av, *result;
362 493
… …
405 RETVAL = newRV_noinc ((SV *)result); 536 RETVAL = newRV_noinc ((SV *)result);
406} 537}
407 OUTPUT: 538 OUTPUT:
408 RETVAL 539 RETVAL
409 540
410#############################################################################
411 541
412MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
413
414void
415dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
416 CODE:
417{
418 int w = gdk_pixbuf_get_width (pb);
419 int h = gdk_pixbuf_get_height (pb);
420 int x, y, i;
421 guchar *dst;
422 int bpp = gdk_pixbuf_get_n_channels (pb);
423 guchar *src = gdk_pixbuf_get_pixels (pb);
424 int sstr = gdk_pixbuf_get_rowstride (pb);
425
426 a85_init ();
427
428 for (y = 0; y < h; y++)
429 for (x = 0; x < w; x++)
430 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
431 a85_push (fp, src [x * bpp + y * sstr + i]);
432
433 a85_finish (fp);
434}
435
436void
437dump_binary (PerlIO *fp, GdkPixbuf *pb)
438 CODE:
439{
440 int w = gdk_pixbuf_get_width (pb);
441 int h = gdk_pixbuf_get_height (pb);
442 int x, y, i;
443 guchar *dst;
444 int bpp = gdk_pixbuf_get_n_channels (pb);
445 guchar *src = gdk_pixbuf_get_pixels (pb);
446 int sstr = gdk_pixbuf_get_rowstride (pb);
447
448 for (y = 0; y < h; y++)
449 for (x = 0; x < w; x++)
450 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
451 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
452}
453
454#############################################################################
455
456MODULE = Gtk2::CV PACKAGE = Gtk2::CV
457
458SV *
459pb_to_hv84 (GdkPixbuf *pb)
460 CODE:
461{
462 int w = gdk_pixbuf_get_width (pb);
463 int h = gdk_pixbuf_get_height (pb);
464 int x, y;
465 guchar *dst;
466 int bpp = gdk_pixbuf_get_n_channels (pb);
467 guchar *src = gdk_pixbuf_get_pixels (pb);
468 int sstr = gdk_pixbuf_get_rowstride (pb);
469
470 RETVAL = newSV (6 * 8 * 12 / 8);
471 SvPOK_only (RETVAL);
472 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
473
474 dst = SvPVX (RETVAL);
475
476 /* some primitive error distribution + random dithering */
477
478 for (y = 0; y < h; y++)
479 {
480 guchar *p = src + y * sstr;
481
482 for (x = 0; x < w; x += 2)
483 {
484 unsigned int r, g, b, h, s, v, H, V1, V2;
485
486 if (bpp == 3)
487 r = *p++, g = *p++, b = *p++;
488 else if (bpp == 1)
489 r = g = b = *p++;
490 else
491 abort ();
492
493 rgb_to_hsv (r, g, b, &h, &s, &v);
494
495 H = (h * 15 / 255) << 4;
496 V1 = v;
497
498 if (bpp == 3)
499 r = *p++, g = *p++, b = *p++;
500 else if (bpp == 1)
501 r = g = b = *p++;
502 else
503 abort ();
504
505 rgb_to_hsv (r, g, b, &h, &s, &v);
506
507 H |= h * 15 / 255;
508 V2 = v;
509
510 *dst++ = H;
511 *dst++ = V1;
512 *dst++ = V2;
513 }
514 }
515}
516 OUTPUT:
517 RETVAL
518
519SV *
520hv84_to_av (unsigned char *hv84)
521 CODE:
522{
523 int i = 72 / 3;
524 AV *av = newAV ();
525
526 RETVAL = (SV *)newRV_noinc ((SV *)av);
527 while (i--)
528 {
529 int h = *hv84++;
530 int v1 = *hv84++;
531 int v2 = *hv84++;
532
533 av_push (av, newSViv (v1));
534 av_push (av, newSViv ((h >> 4) * 255 / 15));
535 av_push (av, newSViv (v2));
536 av_push (av, newSViv ((h & 15) * 255 / 15));
537 }
538}
539 OUTPUT:
540 RETVAL
541
542
543

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