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Comparing CV/CV.xs (file contents):
Revision 1.23 by root, Tue Aug 16 23:50:39 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 *
338p7_to_pb (int w, int h, guchar *src) 325p7_to_pb (int w, int h, SV *src_sv)
339 PROTOTYPE: @ 326 PROTOTYPE: @
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;
332 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
345 333
346 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 334 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
347 dst = gdk_pixbuf_get_pixels (RETVAL); 335 dst = gdk_pixbuf_get_pixels (RETVAL);
348 dstr = gdk_pixbuf_get_rowstride (RETVAL); 336 dstr = gdk_pixbuf_get_rowstride (RETVAL);
349 337
… …
358 } 346 }
359} 347}
360 OUTPUT: 348 OUTPUT:
361 RETVAL 349 RETVAL
362 350
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
363SV * 399SV *
364pb_to_p7 (GdkPixbuf *pb) 400pb_to_hv84 (GdkPixbuf *pb)
365 CODE: 401 CODE:
366{ 402{
367 int w = gdk_pixbuf_get_width (pb); 403 int w = gdk_pixbuf_get_width (pb);
368 int h = gdk_pixbuf_get_height (pb); 404 int h = gdk_pixbuf_get_height (pb);
369 int x, y; 405 int x, y;
370 guchar *dst; 406 guchar *dst;
371 int bpp = gdk_pixbuf_get_n_channels (pb); 407 int bpp = gdk_pixbuf_get_n_channels (pb);
372 guchar *src = gdk_pixbuf_get_pixels (pb); 408 guchar *src = gdk_pixbuf_get_pixels (pb);
373 int sstr = gdk_pixbuf_get_rowstride (pb); 409 int sstr = gdk_pixbuf_get_rowstride (pb);
374 int Er[IW], Eg[IW], Eb[IW];
375 int seed = 77;
376
377 RETVAL = newSV (w * h);
378 SvPOK_only (RETVAL);
379 SvCUR_set (RETVAL, w * h);
380
381 dst = SvPVX (RETVAL);
382
383 memset (Er, 0, sizeof (int) * IW);
384 memset (Eg, 0, sizeof (int) * IW);
385 memset (Eb, 0, sizeof (int) * IW);
386
387 /* some primitive error distribution + random dithering */
388
389 for (y = 0; y < h; y++)
390 {
391 int er = 0, eg = 0, eb = 0;
392
393 for (x = 0; x < w; x++)
394 {
395 int r, g, b;
396 guchar *p = src + x * bpp + y * sstr;
397
398 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
399 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
400 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
401
402 r = r > 7 ? 7 : r < 0 ? 0 : r;
403 g = g > 7 ? 7 : g < 0 ? 0 : g;
404 b = b > 3 ? 3 : b < 0 ? 0 : b;
405
406 er += p[0] - (r * 255 + 4) / 7;
407 eg += p[1] - (g * 255 + 4) / 7;
408 eb += p[2] - (b * 255 + 2) / 3;
409
410 Er[x] = er >> 1; er -= (er + 1) >> 1;
411 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
412 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
413
414 *dst++ = r << 5 | g << 2 | b;
415 }
416 }
417}
418 OUTPUT:
419 RETVAL
420
421#############################################################################
422
423MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
424
425void
426dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
427 CODE:
428{
429 int w = gdk_pixbuf_get_width (pb);
430 int h = gdk_pixbuf_get_height (pb);
431 int x, y, i;
432 guchar *dst;
433 int bpp = gdk_pixbuf_get_n_channels (pb);
434 guchar *src = gdk_pixbuf_get_pixels (pb);
435 int sstr = gdk_pixbuf_get_rowstride (pb);
436
437 a85_init ();
438
439 for (y = 0; y < h; y++)
440 for (x = 0; x < w; x++)
441 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
442 a85_push (fp, src [x * bpp + y * sstr + i]);
443
444 a85_finish (fp);
445}
446
447void
448dump_binary (PerlIO *fp, GdkPixbuf *pb)
449 CODE:
450{
451 int w = gdk_pixbuf_get_width (pb);
452 int h = gdk_pixbuf_get_height (pb);
453 int x, y, i;
454 guchar *dst;
455 int bpp = gdk_pixbuf_get_n_channels (pb);
456 guchar *src = gdk_pixbuf_get_pixels (pb);
457 int sstr = gdk_pixbuf_get_rowstride (pb);
458
459 for (y = 0; y < h; y++)
460 for (x = 0; x < w; x++)
461 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
462 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
463}
464
465#############################################################################
466
467MODULE = Gtk2::CV PACKAGE = Gtk2::CV
468
469SV *
470pb_to_hv84 (GdkPixbuf *pb)
471 CODE:
472{
473 int w = gdk_pixbuf_get_width (pb);
474 int h = gdk_pixbuf_get_height (pb);
475 int x, y;
476 guchar *dst;
477 int bpp = gdk_pixbuf_get_n_channels (pb);
478 guchar *src = gdk_pixbuf_get_pixels (pb);
479 int sstr = gdk_pixbuf_get_rowstride (pb);
480 410
481 RETVAL = newSV (6 * 8 * 12 / 8); 411 RETVAL = newSV (6 * 8 * 12 / 8);
482 SvPOK_only (RETVAL); 412 SvPOK_only (RETVAL);
483 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 413 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
484 414
485 dst = SvPVX (RETVAL); 415 dst = (guchar *)SvPVX (RETVAL);
486 416
487 /* some primitive error distribution + random dithering */ 417 /* some primitive error distribution + random dithering */
488 418
489 for (y = 0; y < h; y++) 419 for (y = 0; y < h; y++)
490 { 420 {

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