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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 1.28 by root, Mon Aug 22 00:30:58 2005 UTC

… …
4 4
5#include <string.h> 5#include <string.h>
6#include <setjmp.h> 6#include <setjmp.h>
7 7
8#include <jpeglib.h> 8#include <jpeglib.h>
9#include <glib.h>
10#include <gtk/gtk.h>
9#include <gdk-pixbuf/gdk-pixbuf.h> 11#include <gdk-pixbuf/gdk-pixbuf.h>
10 12
11#include <gperl.h> 13#include <gperl.h>
12#include <gtk2perl.h> 14#include <gtk2perl.h>
13 15
… …
138#endif 140#endif
139 OUTPUT: 141 OUTPUT:
140 RETVAL 142 RETVAL
141 143
142GdkPixbuf_noinc * 144GdkPixbuf_noinc *
143transpose (GdkPixbuf *pb) 145dealpha_expose (GdkPixbuf *pb)
144 CODE: 146 CODE:
145{ 147{
146 int w = gdk_pixbuf_get_width (pb); 148 int w = gdk_pixbuf_get_width (pb);
147 int h = gdk_pixbuf_get_height (pb); 149 int h = gdk_pixbuf_get_height (pb);
148 int bpp = gdk_pixbuf_get_n_channels (pb); 150 int bpp = gdk_pixbuf_get_n_channels (pb);
149 int x, y, i; 151 int x, y, i;
150 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 152 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
151 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 153 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
152 154
153 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 155 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
154 156
155 dst = gdk_pixbuf_get_pixels (RETVAL); 157 dst = gdk_pixbuf_get_pixels (RETVAL);
156 dstr = gdk_pixbuf_get_rowstride (RETVAL); 158 dstr = gdk_pixbuf_get_rowstride (RETVAL);
157 159
158 for (y = 0; y < h; y++)
159 for (x = 0; x < w; x++) 160 for (x = 0; x < w; x++)
161 for (y = 0; y < h; y++)
160 for (i = 0; i < bpp; i++) 162 for (i = 0; i < 3; i++)
161 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];
162} 164}
163 OUTPUT: 165 OUTPUT:
164 RETVAL 166 RETVAL
165 167
166GdkPixbuf_noinc * 168GdkPixbuf_noinc *
167flop (GdkPixbuf *pb) 169rotate (GdkPixbuf *pb, int angle)
168 CODE: 170 CODE:
169{ 171 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
170 int w = gdk_pixbuf_get_width (pb); 172 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
171 int h = gdk_pixbuf_get_height (pb); 173 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
172 int bpp = gdk_pixbuf_get_n_channels (pb); 174 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
173 int x, y, i; 175 : 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: 176 OUTPUT:
188 RETVAL 177 RETVAL
189 178
190GdkPixbuf_noinc * 179GdkPixbuf_noinc *
191load_jpeg (char *path, int thumbnail=0) 180load_jpeg (SV *path, int thumbnail=0)
192 CODE: 181 CODE:
193{ 182{
194 struct jpeg_decompress_struct cinfo; 183 struct jpeg_decompress_struct cinfo;
195 struct jpg_err_mgr jerr; 184 struct jpg_err_mgr jerr;
196 guchar *data; 185 guchar *data;
197 int rs; 186 int rs;
198 FILE *fp; 187 FILE *fp;
199 volatile GdkPixbuf *pb = 0; 188 volatile GdkPixbuf *pb = 0;
189 gchar *filename;
190
200 RETVAL = 0; 191 RETVAL = 0;
201 192
202 if (!(fp = fopen (path, "rb"))) 193 filename = g_filename_from_utf8 (SvPVutf8_nolen (path), -1, 0, 0, 0);
194 fp = fopen (filename, "rb");
195 g_free (filename);
196
197 if (!fp)
203 XSRETURN_UNDEF; 198 XSRETURN_UNDEF;
204 199
205 cinfo.err = jpeg_std_error (&jerr.err); 200 cinfo.err = jpeg_std_error (&jerr.err);
206 201
207 jerr.err.error_exit = cv_error_exit; 202 jerr.err.error_exit = cv_error_exit;
… …
288foldcase (SV *pathsv) 283foldcase (SV *pathsv)
289 PROTOTYPE: $ 284 PROTOTYPE: $
290 CODE: 285 CODE:
291{ 286{
292 STRLEN plen; 287 STRLEN plen;
293 U8 *path = SvPVutf8 (pathsv, plen); 288 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
294 U8 *pend = path + plen; 289 U8 *pend = path + plen;
295 U8 dst [plen * 6 * 3], *dstp = dst; 290 U8 dst [plen * 6 * 3], *dstp = dst;
296 291
297 while (path < pend) 292 while (path < pend)
298 { 293 {
… …
319 dstp += cl; 314 dstp += cl;
320 path += is_utf8_char (path); 315 path += is_utf8_char (path);
321 } 316 }
322 } 317 }
323 318
324 RETVAL = newSVpvn (dst, dstp - dst); 319 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
325} 320}
326 OUTPUT: 321 OUTPUT:
327 RETVAL 322 RETVAL
328 323
329GdkPixbuf_noinc * 324GdkPixbuf_noinc *
330p7_to_pb (int w, int h, guchar *src) 325p7_to_pb (int w, int h, SV *src_sv)
331 PROTOTYPE: @ 326 PROTOTYPE: @
332 CODE: 327 CODE:
333{ 328{
334 int x, y; 329 int x, y;
335 guchar *dst, *d; 330 guchar *dst, *d;
336 int dstr; 331 int dstr;
332 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
337 333
338 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 334 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
339 dst = gdk_pixbuf_get_pixels (RETVAL); 335 dst = gdk_pixbuf_get_pixels (RETVAL);
340 dstr = gdk_pixbuf_get_rowstride (RETVAL); 336 dstr = gdk_pixbuf_get_rowstride (RETVAL);
341 337
… …
350 } 346 }
351} 347}
352 OUTPUT: 348 OUTPUT:
353 RETVAL 349 RETVAL
354 350
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
355SV * 399SV *
356pb_to_p7 (GdkPixbuf *pb) 400pb_to_hv84 (GdkPixbuf *pb)
357 CODE: 401 CODE:
358{ 402{
359 int w = gdk_pixbuf_get_width (pb); 403 int w = gdk_pixbuf_get_width (pb);
360 int h = gdk_pixbuf_get_height (pb); 404 int h = gdk_pixbuf_get_height (pb);
361 int x, y; 405 int x, y;
362 guchar *dst; 406 guchar *dst;
363 int bpp = gdk_pixbuf_get_n_channels (pb); 407 int bpp = gdk_pixbuf_get_n_channels (pb);
364 guchar *src = gdk_pixbuf_get_pixels (pb); 408 guchar *src = gdk_pixbuf_get_pixels (pb);
365 int sstr = gdk_pixbuf_get_rowstride (pb); 409 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);
472 410
473 RETVAL = newSV (6 * 8 * 12 / 8); 411 RETVAL = newSV (6 * 8 * 12 / 8);
474 SvPOK_only (RETVAL); 412 SvPOK_only (RETVAL);
475 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 413 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
476 414
477 dst = SvPVX (RETVAL); 415 dst = (guchar *)SvPVX (RETVAL);
478 416
479 /* some primitive error distribution + random dithering */ 417 /* some primitive error distribution + random dithering */
480 418
481 for (y = 0; y < h; y++) 419 for (y = 0; y < h; y++)
482 { 420 {

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