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Comparing CV/CV.xs (file contents):
Revision 1.27 by root, Sun Aug 21 02:23:52 2005 UTC vs.
Revision 1.30 by root, Wed Dec 28 20:56:20 2005 UTC

… …
126 126
127MODULE = Gtk2::CV PACKAGE = Gtk2::CV 127MODULE = Gtk2::CV PACKAGE = Gtk2::CV
128 128
129PROTOTYPES: ENABLE 129PROTOTYPES: ENABLE
130 130
131# missing function in perl. really :)
132int
133common_prefix_length (a, b)
134 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
135 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
136 CODE:
137 RETVAL = 0;
138
139 while (*a == *b && *a)
140 {
141 RETVAL += (*a & 0xc0) != 0x80;
142 a++, b++;
143 }
144
145 OUTPUT:
146 RETVAL
147
131# missing in Gtk2 perl module 148# missing in Gtk2 perl module
132 149
133gboolean 150gboolean
134gdk_net_wm_supports (GdkAtom property) 151gdk_net_wm_supports (GdkAtom property)
135 CODE: 152 CODE:
… …
164} 181}
165 OUTPUT: 182 OUTPUT:
166 RETVAL 183 RETVAL
167 184
168GdkPixbuf_noinc * 185GdkPixbuf_noinc *
169transpose (GdkPixbuf *pb) 186rotate (GdkPixbuf *pb, int angle)
170 CODE: 187 CODE:
171{ 188 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
172 int w = gdk_pixbuf_get_width (pb); 189 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
173 int h = gdk_pixbuf_get_height (pb); 190 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
174 int bpp = gdk_pixbuf_get_n_channels (pb); 191 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
175 int x, y, i; 192 : angle);
176 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
177 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
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
203 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
204
205 dst = gdk_pixbuf_get_pixels (RETVAL);
206 dstr = gdk_pixbuf_get_rowstride (RETVAL);
207
208 for (y = 0; y < h; y++)
209 for (x = 0; x < w; x++)
210 for (i = 0; i < bpp; i++)
211 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
212}
213 OUTPUT: 193 OUTPUT:
214 RETVAL 194 RETVAL
215 195
216GdkPixbuf_noinc * 196GdkPixbuf_noinc *
217load_jpeg (SV *path, int thumbnail=0) 197load_jpeg (SV *path, int thumbnail=0)
… …
221 struct jpg_err_mgr jerr; 201 struct jpg_err_mgr jerr;
222 guchar *data; 202 guchar *data;
223 int rs; 203 int rs;
224 FILE *fp; 204 FILE *fp;
225 volatile GdkPixbuf *pb = 0; 205 volatile GdkPixbuf *pb = 0;
226 gchar *filename;
227 206
228 RETVAL = 0; 207 RETVAL = 0;
229 208
230 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
231 fp = fopen (filename, "rb"); 209 fp = fopen (SvPVbyte_nolen (path), "rb");
232 g_free (filename);
233 210
234 if (!fp) 211 if (!fp)
235 XSRETURN_UNDEF; 212 XSRETURN_UNDEF;
236 213
237 cinfo.err = jpeg_std_error (&jerr.err); 214 cinfo.err = jpeg_std_error (&jerr.err);
… …
383 } 360 }
384} 361}
385 OUTPUT: 362 OUTPUT:
386 RETVAL 363 RETVAL
387 364
365#############################################################################
366
367MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
368
369void
370dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
371 CODE:
372{
373 int w = gdk_pixbuf_get_width (pb);
374 int h = gdk_pixbuf_get_height (pb);
375 int x, y, i;
376 guchar *dst;
377 int bpp = gdk_pixbuf_get_n_channels (pb);
378 guchar *src = gdk_pixbuf_get_pixels (pb);
379 int sstr = gdk_pixbuf_get_rowstride (pb);
380
381 a85_init ();
382
383 for (y = 0; y < h; y++)
384 for (x = 0; x < w; x++)
385 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
386 a85_push (fp, src [x * bpp + y * sstr + i]);
387
388 a85_finish (fp);
389}
390
391void
392dump_binary (PerlIO *fp, GdkPixbuf *pb)
393 CODE:
394{
395 int w = gdk_pixbuf_get_width (pb);
396 int h = gdk_pixbuf_get_height (pb);
397 int x, y, i;
398 guchar *dst;
399 int bpp = gdk_pixbuf_get_n_channels (pb);
400 guchar *src = gdk_pixbuf_get_pixels (pb);
401 int sstr = gdk_pixbuf_get_rowstride (pb);
402
403 for (y = 0; y < h; y++)
404 for (x = 0; x < w; x++)
405 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
406 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
407}
408
409#############################################################################
410
411MODULE = Gtk2::CV PACKAGE = Gtk2::CV
412
388SV * 413SV *
389pb_to_p7 (GdkPixbuf *pb) 414pb_to_hv84 (GdkPixbuf *pb)
390 CODE: 415 CODE:
391{ 416{
392 int w = gdk_pixbuf_get_width (pb); 417 int w = gdk_pixbuf_get_width (pb);
393 int h = gdk_pixbuf_get_height (pb); 418 int h = gdk_pixbuf_get_height (pb);
394 int x, y; 419 int x, y;
395 guchar *dst; 420 guchar *dst;
396 int bpp = gdk_pixbuf_get_n_channels (pb); 421 int bpp = gdk_pixbuf_get_n_channels (pb);
397 guchar *src = gdk_pixbuf_get_pixels (pb); 422 guchar *src = gdk_pixbuf_get_pixels (pb);
398 int sstr = gdk_pixbuf_get_rowstride (pb); 423 int sstr = gdk_pixbuf_get_rowstride (pb);
399 int Er[IW], Eg[IW], Eb[IW];
400 int seed = 77;
401
402 RETVAL = newSV (w * h);
403 SvPOK_only (RETVAL);
404 SvCUR_set (RETVAL, w * h);
405
406 dst = (guchar *)SvPVX (RETVAL);
407
408 memset (Er, 0, sizeof (int) * IW);
409 memset (Eg, 0, sizeof (int) * IW);
410 memset (Eb, 0, sizeof (int) * IW);
411
412 /* some primitive error distribution + random dithering */
413
414 for (y = 0; y < h; y++)
415 {
416 int er = 0, eg = 0, eb = 0;
417
418 for (x = 0; x < w; x++)
419 {
420 int r, g, b;
421 guchar *p = src + x * bpp + y * sstr;
422
423 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
424 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
425 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
426
427 r = r > 7 ? 7 : r < 0 ? 0 : r;
428 g = g > 7 ? 7 : g < 0 ? 0 : g;
429 b = b > 3 ? 3 : b < 0 ? 0 : b;
430
431 er += p[0] - (r * 255 + 4) / 7;
432 eg += p[1] - (g * 255 + 4) / 7;
433 eb += p[2] - (b * 255 + 2) / 3;
434
435 Er[x] = er >> 1; er -= (er + 1) >> 1;
436 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
437 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
438
439 *dst++ = r << 5 | g << 2 | b;
440 }
441 }
442}
443 OUTPUT:
444 RETVAL
445
446#############################################################################
447
448MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
449
450void
451dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
452 CODE:
453{
454 int w = gdk_pixbuf_get_width (pb);
455 int h = gdk_pixbuf_get_height (pb);
456 int x, y, i;
457 guchar *dst;
458 int bpp = gdk_pixbuf_get_n_channels (pb);
459 guchar *src = gdk_pixbuf_get_pixels (pb);
460 int sstr = gdk_pixbuf_get_rowstride (pb);
461
462 a85_init ();
463
464 for (y = 0; y < h; y++)
465 for (x = 0; x < w; x++)
466 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
467 a85_push (fp, src [x * bpp + y * sstr + i]);
468
469 a85_finish (fp);
470}
471
472void
473dump_binary (PerlIO *fp, GdkPixbuf *pb)
474 CODE:
475{
476 int w = gdk_pixbuf_get_width (pb);
477 int h = gdk_pixbuf_get_height (pb);
478 int x, y, i;
479 guchar *dst;
480 int bpp = gdk_pixbuf_get_n_channels (pb);
481 guchar *src = gdk_pixbuf_get_pixels (pb);
482 int sstr = gdk_pixbuf_get_rowstride (pb);
483
484 for (y = 0; y < h; y++)
485 for (x = 0; x < w; x++)
486 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
487 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
488}
489
490#############################################################################
491
492MODULE = Gtk2::CV PACKAGE = Gtk2::CV
493
494SV *
495pb_to_hv84 (GdkPixbuf *pb)
496 CODE:
497{
498 int w = gdk_pixbuf_get_width (pb);
499 int h = gdk_pixbuf_get_height (pb);
500 int x, y;
501 guchar *dst;
502 int bpp = gdk_pixbuf_get_n_channels (pb);
503 guchar *src = gdk_pixbuf_get_pixels (pb);
504 int sstr = gdk_pixbuf_get_rowstride (pb);
505 424
506 RETVAL = newSV (6 * 8 * 12 / 8); 425 RETVAL = newSV (6 * 8 * 12 / 8);
507 SvPOK_only (RETVAL); 426 SvPOK_only (RETVAL);
508 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 427 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
509 428

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