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Comparing CV/CV.xs (file contents):
Revision 1.24 by root, Wed Aug 17 05:25:28 2005 UTC vs.
Revision 1.28 by root, Mon Aug 22 00:30:58 2005 UTC

… …
140#endif 140#endif
141 OUTPUT: 141 OUTPUT:
142 RETVAL 142 RETVAL
143 143
144GdkPixbuf_noinc * 144GdkPixbuf_noinc *
145transpose (GdkPixbuf *pb) 145dealpha_expose (GdkPixbuf *pb)
146 CODE: 146 CODE:
147{ 147{
148 int w = gdk_pixbuf_get_width (pb); 148 int w = gdk_pixbuf_get_width (pb);
149 int h = gdk_pixbuf_get_height (pb); 149 int h = gdk_pixbuf_get_height (pb);
150 int bpp = gdk_pixbuf_get_n_channels (pb); 150 int bpp = gdk_pixbuf_get_n_channels (pb);
151 int x, y, i; 151 int x, y, i;
152 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 152 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
153 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 153 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
154 154
155 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 155 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
156 156
157 dst = gdk_pixbuf_get_pixels (RETVAL); 157 dst = gdk_pixbuf_get_pixels (RETVAL);
158 dstr = gdk_pixbuf_get_rowstride (RETVAL); 158 dstr = gdk_pixbuf_get_rowstride (RETVAL);
159 159
160 for (y = 0; y < h; y++)
161 for (x = 0; x < w; x++) 160 for (x = 0; x < w; x++)
161 for (y = 0; y < h; y++)
162 for (i = 0; i < bpp; i++) 162 for (i = 0; i < 3; i++)
163 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];
164} 164}
165 OUTPUT: 165 OUTPUT:
166 RETVAL 166 RETVAL
167 167
168GdkPixbuf_noinc * 168GdkPixbuf_noinc *
169flop (GdkPixbuf *pb) 169rotate (GdkPixbuf *pb, int angle)
170 CODE: 170 CODE:
171{ 171 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
172 int w = gdk_pixbuf_get_width (pb); 172 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
173 int h = gdk_pixbuf_get_height (pb); 173 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
174 int bpp = gdk_pixbuf_get_n_channels (pb); 174 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
175 int x, y, i; 175 : 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, w, h);
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[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
188}
189 OUTPUT: 176 OUTPUT:
190 RETVAL 177 RETVAL
191 178
192GdkPixbuf_noinc * 179GdkPixbuf_noinc *
193load_jpeg (SV *path, int thumbnail=0) 180load_jpeg (SV *path, int thumbnail=0)
… …
296foldcase (SV *pathsv) 283foldcase (SV *pathsv)
297 PROTOTYPE: $ 284 PROTOTYPE: $
298 CODE: 285 CODE:
299{ 286{
300 STRLEN plen; 287 STRLEN plen;
301 U8 *path = SvPVutf8 (pathsv, plen); 288 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
302 U8 *pend = path + plen; 289 U8 *pend = path + plen;
303 U8 dst [plen * 6 * 3], *dstp = dst; 290 U8 dst [plen * 6 * 3], *dstp = dst;
304 291
305 while (path < pend) 292 while (path < pend)
306 { 293 {
… …
327 dstp += cl; 314 dstp += cl;
328 path += is_utf8_char (path); 315 path += is_utf8_char (path);
329 } 316 }
330 } 317 }
331 318
332 RETVAL = newSVpvn (dst, dstp - dst); 319 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
333} 320}
334 OUTPUT: 321 OUTPUT:
335 RETVAL 322 RETVAL
336 323
337GdkPixbuf_noinc * 324GdkPixbuf_noinc *
… …
340 CODE: 327 CODE:
341{ 328{
342 int x, y; 329 int x, y;
343 guchar *dst, *d; 330 guchar *dst, *d;
344 int dstr; 331 int dstr;
345 guchar *src = SvPVbyte_nolen (src_sv); 332 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
346 333
347 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 334 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
348 dst = gdk_pixbuf_get_pixels (RETVAL); 335 dst = gdk_pixbuf_get_pixels (RETVAL);
349 dstr = gdk_pixbuf_get_rowstride (RETVAL); 336 dstr = gdk_pixbuf_get_rowstride (RETVAL);
350 337
… …
359 } 346 }
360} 347}
361 OUTPUT: 348 OUTPUT:
362 RETVAL 349 RETVAL
363 350
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
364SV * 399SV *
365pb_to_p7 (GdkPixbuf *pb) 400pb_to_hv84 (GdkPixbuf *pb)
366 CODE: 401 CODE:
367{ 402{
368 int w = gdk_pixbuf_get_width (pb); 403 int w = gdk_pixbuf_get_width (pb);
369 int h = gdk_pixbuf_get_height (pb); 404 int h = gdk_pixbuf_get_height (pb);
370 int x, y; 405 int x, y;
371 guchar *dst; 406 guchar *dst;
372 int bpp = gdk_pixbuf_get_n_channels (pb); 407 int bpp = gdk_pixbuf_get_n_channels (pb);
373 guchar *src = gdk_pixbuf_get_pixels (pb); 408 guchar *src = gdk_pixbuf_get_pixels (pb);
374 int sstr = gdk_pixbuf_get_rowstride (pb); 409 int sstr = gdk_pixbuf_get_rowstride (pb);
375 int Er[IW], Eg[IW], Eb[IW];
376 int seed = 77;
377
378 RETVAL = newSV (w * h);
379 SvPOK_only (RETVAL);
380 SvCUR_set (RETVAL, w * h);
381
382 dst = SvPVX (RETVAL);
383
384 memset (Er, 0, sizeof (int) * IW);
385 memset (Eg, 0, sizeof (int) * IW);
386 memset (Eb, 0, sizeof (int) * IW);
387
388 /* some primitive error distribution + random dithering */
389
390 for (y = 0; y < h; y++)
391 {
392 int er = 0, eg = 0, eb = 0;
393
394 for (x = 0; x < w; x++)
395 {
396 int r, g, b;
397 guchar *p = src + x * bpp + y * sstr;
398
399 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
400 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
401 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
402
403 r = r > 7 ? 7 : r < 0 ? 0 : r;
404 g = g > 7 ? 7 : g < 0 ? 0 : g;
405 b = b > 3 ? 3 : b < 0 ? 0 : b;
406
407 er += p[0] - (r * 255 + 4) / 7;
408 eg += p[1] - (g * 255 + 4) / 7;
409 eb += p[2] - (b * 255 + 2) / 3;
410
411 Er[x] = er >> 1; er -= (er + 1) >> 1;
412 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
413 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
414
415 *dst++ = r << 5 | g << 2 | b;
416 }
417 }
418}
419 OUTPUT:
420 RETVAL
421
422#############################################################################
423
424MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
425
426void
427dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
428 CODE:
429{
430 int w = gdk_pixbuf_get_width (pb);
431 int h = gdk_pixbuf_get_height (pb);
432 int x, y, i;
433 guchar *dst;
434 int bpp = gdk_pixbuf_get_n_channels (pb);
435 guchar *src = gdk_pixbuf_get_pixels (pb);
436 int sstr = gdk_pixbuf_get_rowstride (pb);
437
438 a85_init ();
439
440 for (y = 0; y < h; y++)
441 for (x = 0; x < w; x++)
442 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
443 a85_push (fp, src [x * bpp + y * sstr + i]);
444
445 a85_finish (fp);
446}
447
448void
449dump_binary (PerlIO *fp, GdkPixbuf *pb)
450 CODE:
451{
452 int w = gdk_pixbuf_get_width (pb);
453 int h = gdk_pixbuf_get_height (pb);
454 int x, y, i;
455 guchar *dst;
456 int bpp = gdk_pixbuf_get_n_channels (pb);
457 guchar *src = gdk_pixbuf_get_pixels (pb);
458 int sstr = gdk_pixbuf_get_rowstride (pb);
459
460 for (y = 0; y < h; y++)
461 for (x = 0; x < w; x++)
462 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
463 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
464}
465
466#############################################################################
467
468MODULE = Gtk2::CV PACKAGE = Gtk2::CV
469
470SV *
471pb_to_hv84 (GdkPixbuf *pb)
472 CODE:
473{
474 int w = gdk_pixbuf_get_width (pb);
475 int h = gdk_pixbuf_get_height (pb);
476 int x, y;
477 guchar *dst;
478 int bpp = gdk_pixbuf_get_n_channels (pb);
479 guchar *src = gdk_pixbuf_get_pixels (pb);
480 int sstr = gdk_pixbuf_get_rowstride (pb);
481 410
482 RETVAL = newSV (6 * 8 * 12 / 8); 411 RETVAL = newSV (6 * 8 * 12 / 8);
483 SvPOK_only (RETVAL); 412 SvPOK_only (RETVAL);
484 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 413 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
485 414
486 dst = SvPVX (RETVAL); 415 dst = (guchar *)SvPVX (RETVAL);
487 416
488 /* some primitive error distribution + random dithering */ 417 /* some primitive error distribution + random dithering */
489 418
490 for (y = 0; y < h; y++) 419 for (y = 0; y < h; y++)
491 { 420 {

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