… | |
… | |
164 | } |
164 | } |
165 | OUTPUT: |
165 | OUTPUT: |
166 | RETVAL |
166 | RETVAL |
167 | |
167 | |
168 | GdkPixbuf_noinc * |
168 | GdkPixbuf_noinc * |
169 | transpose (GdkPixbuf *pb) |
169 | rotate (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, 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 | |
|
|
192 | GdkPixbuf_noinc * |
|
|
193 | flop (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: |
176 | OUTPUT: |
214 | RETVAL |
177 | RETVAL |
215 | |
178 | |
216 | GdkPixbuf_noinc * |
179 | GdkPixbuf_noinc * |
217 | load_jpeg (SV *path, int thumbnail=0) |
180 | load_jpeg (SV *path, int thumbnail=0) |
… | |
… | |
383 | } |
346 | } |
384 | } |
347 | } |
385 | OUTPUT: |
348 | OUTPUT: |
386 | RETVAL |
349 | RETVAL |
387 | |
350 | |
|
|
351 | ############################################################################# |
|
|
352 | |
|
|
353 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
354 | |
|
|
355 | void |
|
|
356 | dump_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 | |
|
|
377 | void |
|
|
378 | dump_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 | |
|
|
397 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
398 | |
388 | SV * |
399 | SV * |
389 | pb_to_p7 (GdkPixbuf *pb) |
400 | pb_to_hv84 (GdkPixbuf *pb) |
390 | CODE: |
401 | CODE: |
391 | { |
402 | { |
392 | int w = gdk_pixbuf_get_width (pb); |
403 | int w = gdk_pixbuf_get_width (pb); |
393 | int h = gdk_pixbuf_get_height (pb); |
404 | int h = gdk_pixbuf_get_height (pb); |
394 | int x, y; |
405 | int x, y; |
395 | guchar *dst; |
406 | guchar *dst; |
396 | int bpp = gdk_pixbuf_get_n_channels (pb); |
407 | int bpp = gdk_pixbuf_get_n_channels (pb); |
397 | guchar *src = gdk_pixbuf_get_pixels (pb); |
408 | guchar *src = gdk_pixbuf_get_pixels (pb); |
398 | int sstr = gdk_pixbuf_get_rowstride (pb); |
409 | 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 | |
|
|
448 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
449 | |
|
|
450 | void |
|
|
451 | dump_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 | |
|
|
472 | void |
|
|
473 | dump_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 | |
|
|
492 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
493 | |
|
|
494 | SV * |
|
|
495 | pb_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 | |
410 | |
506 | RETVAL = newSV (6 * 8 * 12 / 8); |
411 | RETVAL = newSV (6 * 8 * 12 / 8); |
507 | SvPOK_only (RETVAL); |
412 | SvPOK_only (RETVAL); |
508 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
413 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
509 | |
414 | |