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Comparing CV/CV.xs (file contents):
Revision 1.22 by root, Sun Aug 14 02:25:44 2005 UTC vs.
Revision 1.32 by root, Wed Feb 15 08:36:55 2006 UTC

… …
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5#include <string.h> 5#include <string.h>
6#include <setjmp.h> 6#include <setjmp.h>
7 7
8#include <magic.h>
9
8#include <jpeglib.h> 10#include <jpeglib.h>
11#include <glib.h>
12#include <gtk/gtk.h>
9#include <gdk-pixbuf/gdk-pixbuf.h> 13#include <gdk-pixbuf/gdk-pixbuf.h>
10 14
11#include <gperl.h> 15#include <gperl.h>
12#include <gtk2perl.h> 16#include <gtk2perl.h>
13 17
… …
124 128
125MODULE = Gtk2::CV PACKAGE = Gtk2::CV 129MODULE = Gtk2::CV PACKAGE = Gtk2::CV
126 130
127PROTOTYPES: ENABLE 131PROTOTYPES: ENABLE
128 132
133# missing function in perl. really :)
134int
135common_prefix_length (a, b)
136 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
137 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
138 CODE:
139 RETVAL = 0;
140
141 while (*a == *b && *a)
142 {
143 RETVAL += (*a & 0xc0) != 0x80;
144 a++, b++;
145 }
146
147 OUTPUT:
148 RETVAL
149
150const char *
151magic (const char *path)
152 CODE:
153{
154 static magic_t cookie;
155
156 if (!cookie)
157 {
158 cookie = magic_open (MAGIC_NONE);
159
160 if (cookie)
161 magic_load (cookie, 0);
162 else
163 XSRETURN_UNDEF;
164 }
165
166 RETVAL = magic_file (cookie, path);
167}
168 OUTPUT:
169 RETVAL
170
171const char *
172magic_mime (const char *path)
173 CODE:
174{
175 static magic_t cookie;
176
177 if (!cookie)
178 {
179 cookie = magic_open (MAGIC_MIME);
180
181 if (cookie)
182 magic_load (cookie, 0);
183 else
184 XSRETURN_UNDEF;
185 }
186
187 RETVAL = magic_file (cookie, path);
188}
189 OUTPUT:
190 RETVAL
191
129# missing in Gtk2 perl module 192# missing in Gtk2 perl module
130 193
131gboolean 194gboolean
132gdk_net_wm_supports (GdkAtom property) 195gdk_net_wm_supports (GdkAtom property)
133 CODE: 196 CODE:
… …
138#endif 201#endif
139 OUTPUT: 202 OUTPUT:
140 RETVAL 203 RETVAL
141 204
142GdkPixbuf_noinc * 205GdkPixbuf_noinc *
143transpose (GdkPixbuf *pb) 206dealpha_expose (GdkPixbuf *pb)
144 CODE: 207 CODE:
145{ 208{
146 int w = gdk_pixbuf_get_width (pb); 209 int w = gdk_pixbuf_get_width (pb);
147 int h = gdk_pixbuf_get_height (pb); 210 int h = gdk_pixbuf_get_height (pb);
148 int bpp = gdk_pixbuf_get_n_channels (pb); 211 int bpp = gdk_pixbuf_get_n_channels (pb);
149 int x, y, i; 212 int x, y, i;
150 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 213 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
151 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 214 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
152 215
153 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 216 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
154 217
155 dst = gdk_pixbuf_get_pixels (RETVAL); 218 dst = gdk_pixbuf_get_pixels (RETVAL);
156 dstr = gdk_pixbuf_get_rowstride (RETVAL); 219 dstr = gdk_pixbuf_get_rowstride (RETVAL);
157 220
158 for (y = 0; y < h; y++)
159 for (x = 0; x < w; x++) 221 for (x = 0; x < w; x++)
222 for (y = 0; y < h; y++)
160 for (i = 0; i < bpp; i++) 223 for (i = 0; i < 3; i++)
161 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 224 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
162} 225}
163 OUTPUT: 226 OUTPUT:
164 RETVAL 227 RETVAL
165 228
166GdkPixbuf_noinc * 229GdkPixbuf_noinc *
167flop (GdkPixbuf *pb) 230rotate (GdkPixbuf *pb, int angle)
168 CODE: 231 CODE:
169{ 232 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
170 int w = gdk_pixbuf_get_width (pb); 233 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
171 int h = gdk_pixbuf_get_height (pb); 234 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
172 int bpp = gdk_pixbuf_get_n_channels (pb); 235 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
173 int x, y, i; 236 : angle);
174 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
175 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
176
177 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
178
179 dst = gdk_pixbuf_get_pixels (RETVAL);
180 dstr = gdk_pixbuf_get_rowstride (RETVAL);
181
182 for (y = 0; y < h; y++)
183 for (x = 0; x < w; x++)
184 for (i = 0; i < bpp; i++)
185 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
186}
187 OUTPUT: 237 OUTPUT:
188 RETVAL 238 RETVAL
189 239
190GdkPixbuf_noinc * 240GdkPixbuf_noinc *
191load_jpeg (char *path, int thumbnail=0) 241load_jpeg (SV *path, int thumbnail=0)
192 CODE: 242 CODE:
193{ 243{
194 struct jpeg_decompress_struct cinfo; 244 struct jpeg_decompress_struct cinfo;
195 struct jpg_err_mgr jerr; 245 struct jpg_err_mgr jerr;
196 guchar *data; 246 guchar *data;
197 int rs; 247 int rs;
198 FILE *fp; 248 FILE *fp;
199 volatile GdkPixbuf *pb = 0; 249 volatile GdkPixbuf *pb = 0;
250
200 RETVAL = 0; 251 RETVAL = 0;
201 252
202 if (!(fp = fopen (path, "rb"))) 253 fp = fopen (SvPVbyte_nolen (path), "rb");
254
255 if (!fp)
203 XSRETURN_UNDEF; 256 XSRETURN_UNDEF;
204 257
205 cinfo.err = jpeg_std_error (&jerr.err); 258 cinfo.err = jpeg_std_error (&jerr.err);
206 259
207 jerr.err.error_exit = cv_error_exit; 260 jerr.err.error_exit = cv_error_exit;
… …
288foldcase (SV *pathsv) 341foldcase (SV *pathsv)
289 PROTOTYPE: $ 342 PROTOTYPE: $
290 CODE: 343 CODE:
291{ 344{
292 STRLEN plen; 345 STRLEN plen;
293 U8 *path = SvPVutf8 (pathsv, plen); 346 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
294 U8 *pend = path + plen; 347 U8 *pend = path + plen;
295 U8 dst [plen * 6 * 3], *dstp = dst; 348 U8 dst [plen * 6 * 3], *dstp = dst;
296 349
297 while (path < pend) 350 while (path < pend)
298 { 351 {
… …
319 dstp += cl; 372 dstp += cl;
320 path += is_utf8_char (path); 373 path += is_utf8_char (path);
321 } 374 }
322 } 375 }
323 376
324 RETVAL = newSVpvn (dst, dstp - dst); 377 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
325} 378}
326 OUTPUT: 379 OUTPUT:
327 RETVAL 380 RETVAL
328 381
329GdkPixbuf_noinc * 382GdkPixbuf_noinc *
330p7_to_pb (int w, int h, guchar *src) 383p7_to_pb (int w, int h, SV *src_sv)
331 PROTOTYPE: @ 384 PROTOTYPE: @
332 CODE: 385 CODE:
333{ 386{
334 int x, y; 387 int x, y;
335 guchar *dst, *d; 388 guchar *dst, *d;
336 int dstr; 389 int dstr;
390 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
337 391
338 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 392 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
339 dst = gdk_pixbuf_get_pixels (RETVAL); 393 dst = gdk_pixbuf_get_pixels (RETVAL);
340 dstr = gdk_pixbuf_get_rowstride (RETVAL); 394 dstr = gdk_pixbuf_get_rowstride (RETVAL);
341 395
… …
350 } 404 }
351} 405}
352 OUTPUT: 406 OUTPUT:
353 RETVAL 407 RETVAL
354 408
409#############################################################################
410
411MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
412
413void
414dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
415 CODE:
416{
417 int w = gdk_pixbuf_get_width (pb);
418 int h = gdk_pixbuf_get_height (pb);
419 int x, y, i;
420 guchar *dst;
421 int bpp = gdk_pixbuf_get_n_channels (pb);
422 guchar *src = gdk_pixbuf_get_pixels (pb);
423 int sstr = gdk_pixbuf_get_rowstride (pb);
424
425 a85_init ();
426
427 for (y = 0; y < h; y++)
428 for (x = 0; x < w; x++)
429 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
430 a85_push (fp, src [x * bpp + y * sstr + i]);
431
432 a85_finish (fp);
433}
434
435void
436dump_binary (PerlIO *fp, GdkPixbuf *pb)
437 CODE:
438{
439 int w = gdk_pixbuf_get_width (pb);
440 int h = gdk_pixbuf_get_height (pb);
441 int x, y, i;
442 guchar *dst;
443 int bpp = gdk_pixbuf_get_n_channels (pb);
444 guchar *src = gdk_pixbuf_get_pixels (pb);
445 int sstr = gdk_pixbuf_get_rowstride (pb);
446
447 for (y = 0; y < h; y++)
448 for (x = 0; x < w; x++)
449 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
450 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
451}
452
453#############################################################################
454
455MODULE = Gtk2::CV PACKAGE = Gtk2::CV
456
355SV * 457SV *
356pb_to_p7 (GdkPixbuf *pb) 458pb_to_hv84 (GdkPixbuf *pb)
357 CODE: 459 CODE:
358{ 460{
359 int w = gdk_pixbuf_get_width (pb); 461 int w = gdk_pixbuf_get_width (pb);
360 int h = gdk_pixbuf_get_height (pb); 462 int h = gdk_pixbuf_get_height (pb);
361 int x, y; 463 int x, y;
362 guchar *dst; 464 guchar *dst;
363 int bpp = gdk_pixbuf_get_n_channels (pb); 465 int bpp = gdk_pixbuf_get_n_channels (pb);
364 guchar *src = gdk_pixbuf_get_pixels (pb); 466 guchar *src = gdk_pixbuf_get_pixels (pb);
365 int sstr = gdk_pixbuf_get_rowstride (pb); 467 int sstr = gdk_pixbuf_get_rowstride (pb);
366 int Er[IW], Eg[IW], Eb[IW];
367 int seed = 77;
368
369 RETVAL = newSV (w * h);
370 SvPOK_only (RETVAL);
371 SvCUR_set (RETVAL, w * h);
372
373 dst = SvPVX (RETVAL);
374
375 memset (Er, 0, sizeof (int) * IW);
376 memset (Eg, 0, sizeof (int) * IW);
377 memset (Eb, 0, sizeof (int) * IW);
378
379 /* some primitive error distribution + random dithering */
380
381 for (y = 0; y < h; y++)
382 {
383 int er = 0, eg = 0, eb = 0;
384
385 for (x = 0; x < w; x++)
386 {
387 int r, g, b;
388 guchar *p = src + x * bpp + y * sstr;
389
390 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
391 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
392 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
393
394 r = r > 7 ? 7 : r < 0 ? 0 : r;
395 g = g > 7 ? 7 : g < 0 ? 0 : g;
396 b = b > 3 ? 3 : b < 0 ? 0 : b;
397
398 er += p[0] - (r * 255 + 4) / 7;
399 eg += p[1] - (g * 255 + 4) / 7;
400 eb += p[2] - (b * 255 + 2) / 3;
401
402 Er[x] = er >> 1; er -= (er + 1) >> 1;
403 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
404 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
405
406 *dst++ = r << 5 | g << 2 | b;
407 }
408 }
409}
410 OUTPUT:
411 RETVAL
412
413#############################################################################
414
415MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
416
417void
418dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
419 CODE:
420{
421 int w = gdk_pixbuf_get_width (pb);
422 int h = gdk_pixbuf_get_height (pb);
423 int x, y, i;
424 guchar *dst;
425 int bpp = gdk_pixbuf_get_n_channels (pb);
426 guchar *src = gdk_pixbuf_get_pixels (pb);
427 int sstr = gdk_pixbuf_get_rowstride (pb);
428
429 a85_init ();
430
431 for (y = 0; y < h; y++)
432 for (x = 0; x < w; x++)
433 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
434 a85_push (fp, src [x * bpp + y * sstr + i]);
435
436 a85_finish (fp);
437}
438
439void
440dump_binary (PerlIO *fp, GdkPixbuf *pb)
441 CODE:
442{
443 int w = gdk_pixbuf_get_width (pb);
444 int h = gdk_pixbuf_get_height (pb);
445 int x, y, i;
446 guchar *dst;
447 int bpp = gdk_pixbuf_get_n_channels (pb);
448 guchar *src = gdk_pixbuf_get_pixels (pb);
449 int sstr = gdk_pixbuf_get_rowstride (pb);
450
451 for (y = 0; y < h; y++)
452 for (x = 0; x < w; x++)
453 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
454 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
455}
456
457#############################################################################
458
459MODULE = Gtk2::CV PACKAGE = Gtk2::CV
460
461SV *
462pb_to_hv84 (GdkPixbuf *pb)
463 CODE:
464{
465 int w = gdk_pixbuf_get_width (pb);
466 int h = gdk_pixbuf_get_height (pb);
467 int x, y;
468 guchar *dst;
469 int bpp = gdk_pixbuf_get_n_channels (pb);
470 guchar *src = gdk_pixbuf_get_pixels (pb);
471 int sstr = gdk_pixbuf_get_rowstride (pb);
472 468
473 RETVAL = newSV (6 * 8 * 12 / 8); 469 RETVAL = newSV (6 * 8 * 12 / 8);
474 SvPOK_only (RETVAL); 470 SvPOK_only (RETVAL);
475 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 471 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
476 472
477 dst = SvPVX (RETVAL); 473 dst = (guchar *)SvPVX (RETVAL);
478 474
479 /* some primitive error distribution + random dithering */ 475 /* some primitive error distribution + random dithering */
480 476
481 for (y = 0; y < h; y++) 477 for (y = 0; y < h; y++)
482 { 478 {

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