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Comparing CV/CV.xs (file contents):
Revision 1.20 by root, Fri Jul 22 06:14:25 2005 UTC vs.
Revision 1.32 by root, Wed Feb 15 08:36:55 2006 UTC

… …
3#include "XSUB.h" 3#include "XSUB.h"
4 4
5#include <string.h> 5#include <string.h>
6#include <setjmp.h> 6#include <setjmp.h>
7 7
8#include <magic.h>
9
8#include <jpeglib.h> 10#include <jpeglib.h>
11#include <glib.h>
12#include <gtk/gtk.h>
9#include <gdk-pixbuf/gdk-pixbuf.h> 13#include <gdk-pixbuf/gdk-pixbuf.h>
10 14
11#include <gperl.h> 15#include <gperl.h>
12#include <gtk2perl.h> 16#include <gtk2perl.h>
13 17
… …
124 128
125MODULE = Gtk2::CV PACKAGE = Gtk2::CV 129MODULE = Gtk2::CV PACKAGE = Gtk2::CV
126 130
127PROTOTYPES: ENABLE 131PROTOTYPES: ENABLE
128 132
133# missing function in perl. really :)
134int
135common_prefix_length (a, b)
136 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
137 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
138 CODE:
139 RETVAL = 0;
140
141 while (*a == *b && *a)
142 {
143 RETVAL += (*a & 0xc0) != 0x80;
144 a++, b++;
145 }
146
147 OUTPUT:
148 RETVAL
149
150const char *
151magic (const char *path)
152 CODE:
153{
154 static magic_t cookie;
155
156 if (!cookie)
157 {
158 cookie = magic_open (MAGIC_NONE);
159
160 if (cookie)
161 magic_load (cookie, 0);
162 else
163 XSRETURN_UNDEF;
164 }
165
166 RETVAL = magic_file (cookie, path);
167}
168 OUTPUT:
169 RETVAL
170
171const char *
172magic_mime (const char *path)
173 CODE:
174{
175 static magic_t cookie;
176
177 if (!cookie)
178 {
179 cookie = magic_open (MAGIC_MIME);
180
181 if (cookie)
182 magic_load (cookie, 0);
183 else
184 XSRETURN_UNDEF;
185 }
186
187 RETVAL = magic_file (cookie, path);
188}
189 OUTPUT:
190 RETVAL
191
192# missing in Gtk2 perl module
193
194gboolean
195gdk_net_wm_supports (GdkAtom property)
196 CODE:
197#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
198 RETVAL = gdk_net_wm_supports (property);
199#else
200 RETVAL = 0;
201#endif
202 OUTPUT:
203 RETVAL
204
129GdkPixbuf_noinc * 205GdkPixbuf_noinc *
130transpose (GdkPixbuf *pb) 206dealpha_expose (GdkPixbuf *pb)
131 CODE: 207 CODE:
132{ 208{
133 int w = gdk_pixbuf_get_width (pb); 209 int w = gdk_pixbuf_get_width (pb);
134 int h = gdk_pixbuf_get_height (pb); 210 int h = gdk_pixbuf_get_height (pb);
135 int bpp = gdk_pixbuf_get_n_channels (pb); 211 int bpp = gdk_pixbuf_get_n_channels (pb);
136 int x, y, i; 212 int x, y, i;
137 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 213 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
138 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 214 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
139 215
140 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 216 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
141 217
142 dst = gdk_pixbuf_get_pixels (RETVAL); 218 dst = gdk_pixbuf_get_pixels (RETVAL);
143 dstr = gdk_pixbuf_get_rowstride (RETVAL); 219 dstr = gdk_pixbuf_get_rowstride (RETVAL);
144 220
145 for (y = 0; y < h; y++)
146 for (x = 0; x < w; x++) 221 for (x = 0; x < w; x++)
222 for (y = 0; y < h; y++)
147 for (i = 0; i < bpp; i++) 223 for (i = 0; i < 3; i++)
148 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 224 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
149} 225}
150 OUTPUT: 226 OUTPUT:
151 RETVAL 227 RETVAL
152 228
153GdkPixbuf_noinc * 229GdkPixbuf_noinc *
154flop (GdkPixbuf *pb) 230rotate (GdkPixbuf *pb, int angle)
155 CODE: 231 CODE:
156{ 232 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
157 int w = gdk_pixbuf_get_width (pb); 233 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
158 int h = gdk_pixbuf_get_height (pb); 234 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
159 int bpp = gdk_pixbuf_get_n_channels (pb); 235 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
160 int x, y, i; 236 : angle);
161 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
162 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
163
164 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);
165
166 dst = gdk_pixbuf_get_pixels (RETVAL);
167 dstr = gdk_pixbuf_get_rowstride (RETVAL);
168
169 for (y = 0; y < h; y++)
170 for (x = 0; x < w; x++)
171 for (i = 0; i < bpp; i++)
172 dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
173}
174 OUTPUT: 237 OUTPUT:
175 RETVAL 238 RETVAL
176 239
177GdkPixbuf_noinc * 240GdkPixbuf_noinc *
178load_jpeg (char *path, int thumbnail=0) 241load_jpeg (SV *path, int thumbnail=0)
179 CODE: 242 CODE:
180{ 243{
181 struct jpeg_decompress_struct cinfo; 244 struct jpeg_decompress_struct cinfo;
182 struct jpg_err_mgr jerr; 245 struct jpg_err_mgr jerr;
183 guchar *data; 246 guchar *data;
184 int rs; 247 int rs;
185 FILE *fp; 248 FILE *fp;
186 volatile GdkPixbuf *pb = 0; 249 volatile GdkPixbuf *pb = 0;
250
187 RETVAL = 0; 251 RETVAL = 0;
188 252
189 if (!(fp = fopen (path, "rb"))) 253 fp = fopen (SvPVbyte_nolen (path), "rb");
254
255 if (!fp)
190 XSRETURN_UNDEF; 256 XSRETURN_UNDEF;
191 257
192 cinfo.err = jpeg_std_error (&jerr.err); 258 cinfo.err = jpeg_std_error (&jerr.err);
193 259
194 jerr.err.error_exit = cv_error_exit; 260 jerr.err.error_exit = cv_error_exit;
… …
225 { 291 {
226 cinfo.dct_method = JDCT_FASTEST; 292 cinfo.dct_method = JDCT_FASTEST;
227 cinfo.do_fancy_upsampling = FALSE; 293 cinfo.do_fancy_upsampling = FALSE;
228 294
229 while (cinfo.scale_denom < 8 295 while (cinfo.scale_denom < 8
230 && (cinfo.output_width >> 1) >= IW 296 && cinfo.output_width >= IW*4
231 && (cinfo.output_height >> 1) >= IH) 297 && cinfo.output_height >= IH*4)
232 { 298 {
233 cinfo.scale_denom <<= 1; 299 cinfo.scale_denom <<= 1;
234 jpeg_calc_output_dimensions (&cinfo); 300 jpeg_calc_output_dimensions (&cinfo);
235 } 301 }
236 } 302 }
… …
275foldcase (SV *pathsv) 341foldcase (SV *pathsv)
276 PROTOTYPE: $ 342 PROTOTYPE: $
277 CODE: 343 CODE:
278{ 344{
279 STRLEN plen; 345 STRLEN plen;
280 U8 *path = SvPVutf8 (pathsv, plen); 346 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
281 U8 *pend = path + plen; 347 U8 *pend = path + plen;
282 U8 dst [plen * 6 * 3], *dstp = dst; 348 U8 dst [plen * 6 * 3], *dstp = dst;
283 349
284 while (path < pend) 350 while (path < pend)
285 { 351 {
… …
306 dstp += cl; 372 dstp += cl;
307 path += is_utf8_char (path); 373 path += is_utf8_char (path);
308 } 374 }
309 } 375 }
310 376
311 RETVAL = newSVpvn (dst, dstp - dst); 377 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
312} 378}
313 OUTPUT: 379 OUTPUT:
314 RETVAL 380 RETVAL
315 381
316GdkPixbuf_noinc * 382GdkPixbuf_noinc *
317p7_to_pb (int w, int h, guchar *src) 383p7_to_pb (int w, int h, SV *src_sv)
384 PROTOTYPE: @
318 CODE: 385 CODE:
319{ 386{
320 int x, y; 387 int x, y;
321 guchar *dst, *d; 388 guchar *dst, *d;
322 int dstr; 389 int dstr;
390 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
323 391
324 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 392 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
325 dst = gdk_pixbuf_get_pixels (RETVAL); 393 dst = gdk_pixbuf_get_pixels (RETVAL);
326 dstr = gdk_pixbuf_get_rowstride (RETVAL); 394 dstr = gdk_pixbuf_get_rowstride (RETVAL);
327 395
… …
336 } 404 }
337} 405}
338 OUTPUT: 406 OUTPUT:
339 RETVAL 407 RETVAL
340 408
409#############################################################################
410
411MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
412
413void
414dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
415 CODE:
416{
417 int w = gdk_pixbuf_get_width (pb);
418 int h = gdk_pixbuf_get_height (pb);
419 int x, y, i;
420 guchar *dst;
421 int bpp = gdk_pixbuf_get_n_channels (pb);
422 guchar *src = gdk_pixbuf_get_pixels (pb);
423 int sstr = gdk_pixbuf_get_rowstride (pb);
424
425 a85_init ();
426
427 for (y = 0; y < h; y++)
428 for (x = 0; x < w; x++)
429 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
430 a85_push (fp, src [x * bpp + y * sstr + i]);
431
432 a85_finish (fp);
433}
434
435void
436dump_binary (PerlIO *fp, GdkPixbuf *pb)
437 CODE:
438{
439 int w = gdk_pixbuf_get_width (pb);
440 int h = gdk_pixbuf_get_height (pb);
441 int x, y, i;
442 guchar *dst;
443 int bpp = gdk_pixbuf_get_n_channels (pb);
444 guchar *src = gdk_pixbuf_get_pixels (pb);
445 int sstr = gdk_pixbuf_get_rowstride (pb);
446
447 for (y = 0; y < h; y++)
448 for (x = 0; x < w; x++)
449 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
450 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
451}
452
453#############################################################################
454
455MODULE = Gtk2::CV PACKAGE = Gtk2::CV
456
341SV * 457SV *
342pb_to_p7 (GdkPixbuf *pb) 458pb_to_hv84 (GdkPixbuf *pb)
343 CODE: 459 CODE:
344{ 460{
345 int w = gdk_pixbuf_get_width (pb); 461 int w = gdk_pixbuf_get_width (pb);
346 int h = gdk_pixbuf_get_height (pb); 462 int h = gdk_pixbuf_get_height (pb);
347 int x, y; 463 int x, y;
348 guchar *dst; 464 guchar *dst;
349 int bpp = gdk_pixbuf_get_n_channels (pb); 465 int bpp = gdk_pixbuf_get_n_channels (pb);
350 guchar *src = gdk_pixbuf_get_pixels (pb); 466 guchar *src = gdk_pixbuf_get_pixels (pb);
351 int sstr = gdk_pixbuf_get_rowstride (pb); 467 int sstr = gdk_pixbuf_get_rowstride (pb);
352 int Er[IW], Eg[IW], Eb[IW];
353 int seed = 77;
354
355 RETVAL = newSV (w * h);
356 SvPOK_only (RETVAL);
357 SvCUR_set (RETVAL, w * h);
358
359 dst = SvPVX (RETVAL);
360
361 memset (Er, 0, sizeof (int) * IW);
362 memset (Eg, 0, sizeof (int) * IW);
363 memset (Eb, 0, sizeof (int) * IW);
364
365 /* some primitive error distribution + random dithering */
366
367 for (y = 0; y < h; y++)
368 {
369 int er = 0, eg = 0, eb = 0;
370
371 for (x = 0; x < w; x++)
372 {
373 int r, g, b;
374 guchar *p = src + x * bpp + y * sstr;
375
376 r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
377 g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
378 b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
379
380 r = r > 7 ? 7 : r < 0 ? 0 : r;
381 g = g > 7 ? 7 : g < 0 ? 0 : g;
382 b = b > 3 ? 3 : b < 0 ? 0 : b;
383
384 er += p[0] - (r * 255 + 4) / 7;
385 eg += p[1] - (g * 255 + 4) / 7;
386 eb += p[2] - (b * 255 + 2) / 3;
387
388 Er[x] = er >> 1; er -= (er + 1) >> 1;
389 Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
390 Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
391
392 *dst++ = r << 5 | g << 2 | b;
393 }
394 }
395}
396 OUTPUT:
397 RETVAL
398
399#############################################################################
400
401MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
402
403void
404dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
405 CODE:
406{
407 int w = gdk_pixbuf_get_width (pb);
408 int h = gdk_pixbuf_get_height (pb);
409 int x, y, i;
410 guchar *dst;
411 int bpp = gdk_pixbuf_get_n_channels (pb);
412 guchar *src = gdk_pixbuf_get_pixels (pb);
413 int sstr = gdk_pixbuf_get_rowstride (pb);
414
415 a85_init ();
416
417 for (y = 0; y < h; y++)
418 for (x = 0; x < w; x++)
419 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
420 a85_push (fp, src [x * bpp + y * sstr + i]);
421
422 a85_finish (fp);
423}
424
425void
426dump_binary (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 for (y = 0; y < h; y++)
438 for (x = 0; x < w; x++)
439 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
440 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
441}
442
443#############################################################################
444
445MODULE = Gtk2::CV PACKAGE = Gtk2::CV
446
447SV *
448pb_to_hv84 (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;
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);
458 468
459 RETVAL = newSV (6 * 8 * 12 / 8); 469 RETVAL = newSV (6 * 8 * 12 / 8);
460 SvPOK_only (RETVAL); 470 SvPOK_only (RETVAL);
461 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 471 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
462 472
463 dst = SvPVX (RETVAL); 473 dst = (guchar *)SvPVX (RETVAL);
464 474
465 /* some primitive error distribution + random dithering */ 475 /* some primitive error distribution + random dithering */
466 476
467 for (y = 0; y < h; y++) 477 for (y = 0; y < h; y++)
468 { 478 {

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