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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 1.30 by root, Wed Dec 28 20:56:20 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
… …
124 126
125MODULE = Gtk2::CV PACKAGE = Gtk2::CV 127MODULE = Gtk2::CV PACKAGE = Gtk2::CV
126 128
127PROTOTYPES: ENABLE 129PROTOTYPES: ENABLE
128 130
131# missing function in perl. really :)
132int
133common_prefix_length (a, b)
134 unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg);
135 unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg);
136 CODE:
137 RETVAL = 0;
138
139 while (*a == *b && *a)
140 {
141 RETVAL += (*a & 0xc0) != 0x80;
142 a++, b++;
143 }
144
145 OUTPUT:
146 RETVAL
147
148# missing in Gtk2 perl module
149
150gboolean
151gdk_net_wm_supports (GdkAtom property)
152 CODE:
153#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
154 RETVAL = gdk_net_wm_supports (property);
155#else
156 RETVAL = 0;
157#endif
158 OUTPUT:
159 RETVAL
160
129GdkPixbuf_noinc * 161GdkPixbuf_noinc *
130transpose (GdkPixbuf *pb) 162dealpha_expose (GdkPixbuf *pb)
131 CODE: 163 CODE:
132{ 164{
133 int w = gdk_pixbuf_get_width (pb); 165 int w = gdk_pixbuf_get_width (pb);
134 int h = gdk_pixbuf_get_height (pb); 166 int h = gdk_pixbuf_get_height (pb);
135 int bpp = gdk_pixbuf_get_n_channels (pb); 167 int bpp = gdk_pixbuf_get_n_channels (pb);
136 int x, y, i; 168 int x, y, i;
137 guchar *src = gdk_pixbuf_get_pixels (pb), *dst; 169 guchar *src = gdk_pixbuf_get_pixels (pb), *dst;
138 int sstr = gdk_pixbuf_get_rowstride (pb), dstr; 170 int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
139 171
140 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); 172 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
141 173
142 dst = gdk_pixbuf_get_pixels (RETVAL); 174 dst = gdk_pixbuf_get_pixels (RETVAL);
143 dstr = gdk_pixbuf_get_rowstride (RETVAL); 175 dstr = gdk_pixbuf_get_rowstride (RETVAL);
144 176
145 for (y = 0; y < h; y++)
146 for (x = 0; x < w; x++) 177 for (x = 0; x < w; x++)
178 for (y = 0; y < h; y++)
147 for (i = 0; i < bpp; i++) 179 for (i = 0; i < 3; i++)
148 dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; 180 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
149} 181}
150 OUTPUT: 182 OUTPUT:
151 RETVAL 183 RETVAL
152 184
153GdkPixbuf_noinc * 185GdkPixbuf_noinc *
154flop (GdkPixbuf *pb) 186rotate (GdkPixbuf *pb, int angle)
155 CODE: 187 CODE:
156{ 188 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
157 int w = gdk_pixbuf_get_width (pb); 189 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
158 int h = gdk_pixbuf_get_height (pb); 190 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
159 int bpp = gdk_pixbuf_get_n_channels (pb); 191 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
160 int x, y, i; 192 : 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: 193 OUTPUT:
175 RETVAL 194 RETVAL
176 195
177GdkPixbuf_noinc * 196GdkPixbuf_noinc *
178load_jpeg (char *path, int thumbnail=0) 197load_jpeg (SV *path, int thumbnail=0)
179 CODE: 198 CODE:
180{ 199{
181 struct jpeg_decompress_struct cinfo; 200 struct jpeg_decompress_struct cinfo;
182 struct jpg_err_mgr jerr; 201 struct jpg_err_mgr jerr;
183 guchar *data; 202 guchar *data;
184 int rs; 203 int rs;
185 FILE *fp; 204 FILE *fp;
186 volatile GdkPixbuf *pb = 0; 205 volatile GdkPixbuf *pb = 0;
206
187 RETVAL = 0; 207 RETVAL = 0;
188 208
189 if (!(fp = fopen (path, "rb"))) 209 fp = fopen (SvPVbyte_nolen (path), "rb");
210
211 if (!fp)
190 XSRETURN_UNDEF; 212 XSRETURN_UNDEF;
191 213
192 cinfo.err = jpeg_std_error (&jerr.err); 214 cinfo.err = jpeg_std_error (&jerr.err);
193 215
194 jerr.err.error_exit = cv_error_exit; 216 jerr.err.error_exit = cv_error_exit;
… …
225 { 247 {
226 cinfo.dct_method = JDCT_FASTEST; 248 cinfo.dct_method = JDCT_FASTEST;
227 cinfo.do_fancy_upsampling = FALSE; 249 cinfo.do_fancy_upsampling = FALSE;
228 250
229 while (cinfo.scale_denom < 8 251 while (cinfo.scale_denom < 8
230 && (cinfo.output_width >> 1) >= IW 252 && cinfo.output_width >= IW*4
231 && (cinfo.output_height >> 1) >= IH) 253 && cinfo.output_height >= IH*4)
232 { 254 {
233 cinfo.scale_denom <<= 1; 255 cinfo.scale_denom <<= 1;
234 jpeg_calc_output_dimensions (&cinfo); 256 jpeg_calc_output_dimensions (&cinfo);
235 } 257 }
236 } 258 }
… …
275foldcase (SV *pathsv) 297foldcase (SV *pathsv)
276 PROTOTYPE: $ 298 PROTOTYPE: $
277 CODE: 299 CODE:
278{ 300{
279 STRLEN plen; 301 STRLEN plen;
280 U8 *path = SvPVutf8 (pathsv, plen); 302 U8 *path = (U8 *)SvPVutf8 (pathsv, plen);
281 U8 *pend = path + plen; 303 U8 *pend = path + plen;
282 U8 dst [plen * 6 * 3], *dstp = dst; 304 U8 dst [plen * 6 * 3], *dstp = dst;
283 305
284 while (path < pend) 306 while (path < pend)
285 { 307 {
… …
306 dstp += cl; 328 dstp += cl;
307 path += is_utf8_char (path); 329 path += is_utf8_char (path);
308 } 330 }
309 } 331 }
310 332
311 RETVAL = newSVpvn (dst, dstp - dst); 333 RETVAL = newSVpvn ((const char *)dst, dstp - dst);
312} 334}
313 OUTPUT: 335 OUTPUT:
314 RETVAL 336 RETVAL
315 337
316GdkPixbuf_noinc * 338GdkPixbuf_noinc *
317p7_to_pb (int w, int h, guchar *src) 339p7_to_pb (int w, int h, SV *src_sv)
340 PROTOTYPE: @
318 CODE: 341 CODE:
319{ 342{
320 int x, y; 343 int x, y;
321 guchar *dst, *d; 344 guchar *dst, *d;
322 int dstr; 345 int dstr;
346 guchar *src = (guchar *)SvPVbyte_nolen (src_sv);
323 347
324 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); 348 RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
325 dst = gdk_pixbuf_get_pixels (RETVAL); 349 dst = gdk_pixbuf_get_pixels (RETVAL);
326 dstr = gdk_pixbuf_get_rowstride (RETVAL); 350 dstr = gdk_pixbuf_get_rowstride (RETVAL);
327 351
… …
336 } 360 }
337} 361}
338 OUTPUT: 362 OUTPUT:
339 RETVAL 363 RETVAL
340 364
365#############################################################################
366
367MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
368
369void
370dump_ascii85 (PerlIO *fp, GdkPixbuf *pb)
371 CODE:
372{
373 int w = gdk_pixbuf_get_width (pb);
374 int h = gdk_pixbuf_get_height (pb);
375 int x, y, i;
376 guchar *dst;
377 int bpp = gdk_pixbuf_get_n_channels (pb);
378 guchar *src = gdk_pixbuf_get_pixels (pb);
379 int sstr = gdk_pixbuf_get_rowstride (pb);
380
381 a85_init ();
382
383 for (y = 0; y < h; y++)
384 for (x = 0; x < w; x++)
385 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
386 a85_push (fp, src [x * bpp + y * sstr + i]);
387
388 a85_finish (fp);
389}
390
391void
392dump_binary (PerlIO *fp, GdkPixbuf *pb)
393 CODE:
394{
395 int w = gdk_pixbuf_get_width (pb);
396 int h = gdk_pixbuf_get_height (pb);
397 int x, y, i;
398 guchar *dst;
399 int bpp = gdk_pixbuf_get_n_channels (pb);
400 guchar *src = gdk_pixbuf_get_pixels (pb);
401 int sstr = gdk_pixbuf_get_rowstride (pb);
402
403 for (y = 0; y < h; y++)
404 for (x = 0; x < w; x++)
405 for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
406 PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
407}
408
409#############################################################################
410
411MODULE = Gtk2::CV PACKAGE = Gtk2::CV
412
341SV * 413SV *
342pb_to_p7 (GdkPixbuf *pb) 414pb_to_hv84 (GdkPixbuf *pb)
343 CODE: 415 CODE:
344{ 416{
345 int w = gdk_pixbuf_get_width (pb); 417 int w = gdk_pixbuf_get_width (pb);
346 int h = gdk_pixbuf_get_height (pb); 418 int h = gdk_pixbuf_get_height (pb);
347 int x, y; 419 int x, y;
348 guchar *dst; 420 guchar *dst;
349 int bpp = gdk_pixbuf_get_n_channels (pb); 421 int bpp = gdk_pixbuf_get_n_channels (pb);
350 guchar *src = gdk_pixbuf_get_pixels (pb); 422 guchar *src = gdk_pixbuf_get_pixels (pb);
351 int sstr = gdk_pixbuf_get_rowstride (pb); 423 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);
458 424
459 RETVAL = newSV (6 * 8 * 12 / 8); 425 RETVAL = newSV (6 * 8 * 12 / 8);
460 SvPOK_only (RETVAL); 426 SvPOK_only (RETVAL);
461 SvCUR_set (RETVAL, 6 * 8 * 12 / 8); 427 SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
462 428
463 dst = SvPVX (RETVAL); 429 dst = (guchar *)SvPVX (RETVAL);
464 430
465 /* some primitive error distribution + random dithering */ 431 /* some primitive error distribution + random dithering */
466 432
467 for (y = 0; y < h; y++) 433 for (y = 0; y < h; y++)
468 { 434 {

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