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Comparing CV/CV.xs (file contents):
Revision 1.41 by root, Sat Mar 1 04:11:26 2008 UTC vs.
Revision 1.49 by root, Wed May 24 19:22:32 2017 UTC

… …
14#include <gdk-pixbuf/gdk-pixbuf.h> 14#include <gdk-pixbuf/gdk-pixbuf.h>
15 15
16#include <gperl.h> 16#include <gperl.h>
17#include <gtk2perl.h> 17#include <gtk2perl.h>
18 18
19#include <assert.h>
20
21#include "perlmulticore.h"
22
19#define IW 80 /* MUST match Schnauzer.pm! */ 23#define IW 80 /* MUST match Schnauzer.pm! */
20#define IH 60 /* MUST match Schnauzer.pm! */ 24#define IH 60 /* MUST match Schnauzer.pm! */
21 25
22#define RAND (seed = (seed + 7141) * 54773 % 134456) 26#define RAND (seed = (seed + 7141) * 54773 % 134456)
23 27
24#define LINELENGTH 240 28#define LINELENGTH 240
25 29
26#define ELLIPSIS "\xe2\x80\xa6" 30#define ELLIPSIS "\xe2\x80\xa6"
31
32typedef char *octet_string;
27 33
28struct jpg_err_mgr 34struct jpg_err_mgr
29{ 35{
30 struct jpeg_error_mgr err; 36 struct jpeg_error_mgr err;
31 jmp_buf setjmp_buffer; 37 jmp_buf setjmp_buffer;
32}; 38};
33 39
34static void 40static void
35cv_error_exit (j_common_ptr cinfo) 41cv_error_exit (j_common_ptr cinfo)
36{ 42{
43 cinfo->err->output_message (cinfo);
37 longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); 44 longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99);
38} 45}
39 46
40static void 47static void
41cv_error_output (j_common_ptr cinfo) 48cv_error_output (j_common_ptr cinfo)
42{ 49{
50 char msg[JMSG_LENGTH_MAX];
51
52 cinfo->err->format_message (cinfo, msg);
53
54 fprintf (stderr, "JPEG decoding error: %s\n", msg);
43 return; 55 return;
44} 56}
45 57
46static void 58static void
47rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, 59rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b,
… …
144 if (!--a85_cnt) 156 if (!--a85_cnt)
145 { 157 {
146 a85_cnt = 4; 158 a85_cnt = 4;
147 if (a85_val) 159 if (a85_val)
148 { 160 {
149 a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; 161 a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85;
150 a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; 162 a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85;
151 a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; 163 a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85;
152 a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; 164 a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85;
153 a85_ptr[0] = (a85_val ) + 33; 165 a85_ptr[0] = (a85_val ) + 33;
154 166
155 a85_ptr += 5; 167 a85_ptr += 5;
156 } 168 }
… …
202 214
203 OUTPUT: 215 OUTPUT:
204 RETVAL 216 RETVAL
205 217
206const char * 218const char *
207magic (const char *path) 219magic (octet_string path)
208 CODE: 220 CODE:
209{ 221{
210 static magic_t cookie; 222 static magic_t cookie;
211 223
212 if (!cookie) 224 if (!cookie)
213 { 225 {
214 cookie = magic_open (MAGIC_NONE); 226 cookie = magic_open (MAGIC_SYMLINK);
215 227
216 if (cookie) 228 if (cookie)
217 magic_load (cookie, 0); 229 magic_load (cookie, 0);
218 else 230 else
219 XSRETURN_UNDEF; 231 XSRETURN_UNDEF;
… …
223} 235}
224 OUTPUT: 236 OUTPUT:
225 RETVAL 237 RETVAL
226 238
227const char * 239const char *
228magic_mime (const char *path) 240magic_mime (octet_string path)
229 CODE: 241 CODE:
230{ 242{
231 static magic_t cookie; 243 static magic_t cookie;
232 244
233 if (!cookie) 245 if (!cookie)
234 { 246 {
235 cookie = magic_open (MAGIC_MIME); 247 cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK);
236 248
237 if (cookie) 249 if (cookie)
238 magic_load (cookie, 0); 250 magic_load (cookie, 0);
239 else 251 else
240 XSRETURN_UNDEF; 252 XSRETURN_UNDEF;
241 } 253 }
242 254
255 perlinterp_release ();
243 RETVAL = magic_file (cookie, path); 256 RETVAL = magic_file (cookie, path);
257 perlinterp_acquire ();
244} 258}
245 OUTPUT: 259 OUTPUT:
246 RETVAL 260 RETVAL
247 261
248# missing/broken in Gtk2 perl module 262# missing/broken in Gtk2 perl module
… …
264 RETVAL 278 RETVAL
265 279
266GdkPixbuf_noinc * 280GdkPixbuf_noinc *
267dealpha_expose (GdkPixbuf *pb) 281dealpha_expose (GdkPixbuf *pb)
268 CODE: 282 CODE:
283 perlinterp_release ();
269{ 284{
270 int w = gdk_pixbuf_get_width (pb); 285 int w = gdk_pixbuf_get_width (pb);
271 int h = gdk_pixbuf_get_height (pb); 286 int h = gdk_pixbuf_get_height (pb);
272 int bpp = gdk_pixbuf_get_n_channels (pb); 287 int bpp = gdk_pixbuf_get_n_channels (pb);
273 int x, y, i; 288 int x, y, i;
… …
282 for (x = 0; x < w; x++) 297 for (x = 0; x < w; x++)
283 for (y = 0; y < h; y++) 298 for (y = 0; y < h; y++)
284 for (i = 0; i < 3; i++) 299 for (i = 0; i < 3; i++)
285 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; 300 dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
286} 301}
302 perlinterp_acquire ();
287 OUTPUT: 303 OUTPUT:
288 RETVAL 304 RETVAL
289 305
290GdkPixbuf_noinc * 306GdkPixbuf_noinc *
291rotate (GdkPixbuf *pb, int angle) 307rotate (GdkPixbuf *pb, int angle)
292 CODE: 308 CODE:
309 perlinterp_release ();
310 if (angle < 0)
311 angle += 360;
293 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE 312 RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
294 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE 313 : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
295 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN 314 : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
296 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE 315 : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
297 : angle); 316 : angle);
317 perlinterp_acquire ();
298 OUTPUT: 318 OUTPUT:
299 RETVAL 319 RETVAL
300 320
301GdkPixbuf_noinc * 321GdkPixbuf_noinc *
302load_jpeg (SV *path, int thumbnail=0) 322load_jpeg (SV *path, int thumbnail = 0, int iw = 0, int ih = 0)
303 CODE: 323 CODE:
304{ 324{
305 struct jpeg_decompress_struct cinfo; 325 struct jpeg_decompress_struct cinfo;
306 struct jpg_err_mgr jerr; 326 struct jpg_err_mgr jerr;
307 guchar *data; 327 guchar *data;
… …
314 fp = fopen (SvPVbyte_nolen (path), "rb"); 334 fp = fopen (SvPVbyte_nolen (path), "rb");
315 335
316 if (!fp) 336 if (!fp)
317 XSRETURN_UNDEF; 337 XSRETURN_UNDEF;
318 338
339 perlinterp_release ();
340
319 cinfo.err = jpeg_std_error (&jerr.err); 341 cinfo.err = jpeg_std_error (&jerr.err);
320 342
321 jerr.err.error_exit = cv_error_exit; 343 jerr.err.error_exit = cv_error_exit;
322 jerr.err.output_message = cv_error_output; 344 jerr.err.output_message = cv_error_output;
323 345
… …
327 jpeg_destroy_decompress (&cinfo); 349 jpeg_destroy_decompress (&cinfo);
328 350
329 if (pb) 351 if (pb)
330 g_object_unref ((gpointer)pb); 352 g_object_unref ((gpointer)pb);
331 353
354 perlinterp_acquire ();
332 XSRETURN_UNDEF; 355 XSRETURN_UNDEF;
333 } 356 }
334 357
335 jpeg_create_decompress (&cinfo); 358 jpeg_create_decompress (&cinfo);
336 359
… …
352 { 375 {
353 cinfo.dct_method = JDCT_FASTEST; 376 cinfo.dct_method = JDCT_FASTEST;
354 cinfo.do_fancy_upsampling = FALSE; 377 cinfo.do_fancy_upsampling = FALSE;
355 378
356 while (cinfo.scale_denom < 8 379 while (cinfo.scale_denom < 8
357 && cinfo.output_width >= IW*4 380 && cinfo.output_width >= iw*4
358 && cinfo.output_height >= IH*4) 381 && cinfo.output_height >= ih*4)
359 { 382 {
360 cinfo.scale_denom <<= 1; 383 cinfo.scale_denom <<= 1;
361 jpeg_calc_output_dimensions (&cinfo); 384 jpeg_calc_output_dimensions (&cinfo);
362 } 385 }
363 } 386 }
364 387
388 if (cinfo.output_components != 3)
389 longjmp (jerr.setjmp_buffer, 3);
390
391 if (cinfo.jpeg_color_space == JCS_YCCK || cinfo.jpeg_color_space == JCS_CMYK)
392 {
393 cinfo.out_color_space = JCS_CMYK;
394 cinfo.output_components = 4;
395 }
396
365 pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height); 397 pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, cinfo.output_components == 4, 8, cinfo.output_width, cinfo.output_height);
366 if (!RETVAL) 398 if (!RETVAL)
367 longjmp (jerr.setjmp_buffer, 2); 399 longjmp (jerr.setjmp_buffer, 2);
368 400
369 data = gdk_pixbuf_get_pixels (RETVAL); 401 data = gdk_pixbuf_get_pixels (RETVAL);
370 rs = gdk_pixbuf_get_rowstride (RETVAL); 402 rs = gdk_pixbuf_get_rowstride (RETVAL);
371
372 if (cinfo.output_components != 3)
373 longjmp (jerr.setjmp_buffer, 3);
374 403
375 jpeg_start_decompress (&cinfo); 404 jpeg_start_decompress (&cinfo);
376 405
377 while (cinfo.output_scanline < cinfo.output_height) 406 while (cinfo.output_scanline < cinfo.output_height)
378 { 407 {
… …
385 rp [3] = (guchar *)rp [2] + rs; 414 rp [3] = (guchar *)rp [2] + rs;
386 415
387 jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); 416 jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4);
388 } 417 }
389 418
419 if (cinfo.out_color_space == JCS_CMYK)
420 {
421 guchar *end = data + cinfo.output_height * rs;
422
423 while (data < end)
424 {
425 U32 c = data [0];
426 U32 m = data [1];
427 U32 y = data [2];
428 U32 k = data [3];
429
430 if (0)
431 if (cinfo.Adobe_transform == 2)
432 {
433 c ^= 0xff;
434 m ^= 0xff;
435 y ^= 0xff;
436 k ^= 0xff;
437 }
438
439 data [0] = (c * k + 0x80) / 0xff;
440 data [1] = (m * k + 0x80) / 0xff;
441 data [2] = (y * k + 0x80) / 0xff;
442 data [3] = 0xff;
443
444 data += 4;
445 }
446 }
447
390 jpeg_finish_decompress (&cinfo); 448 jpeg_finish_decompress (&cinfo);
391 fclose (fp); 449 fclose (fp);
392 jpeg_destroy_decompress (&cinfo); 450 jpeg_destroy_decompress (&cinfo);
451 perlinterp_acquire ();
393} 452}
394 OUTPUT: 453 OUTPUT:
395 RETVAL 454 RETVAL
396 455
397void 456void
398compare (GdkPixbuf *a, GdkPixbuf *b) 457compare (GdkPixbuf *a, GdkPixbuf *b)
399 PPCODE: 458 PPCODE:
459 perlinterp_release ();
400{ 460{
401 int w = gdk_pixbuf_get_width (a); 461 int w = gdk_pixbuf_get_width (a);
402 int h = gdk_pixbuf_get_height (a); 462 int h = gdk_pixbuf_get_height (a);
463
403 int sa = gdk_pixbuf_get_rowstride (a); 464 int sa = gdk_pixbuf_get_rowstride (a);
404 int sb = gdk_pixbuf_get_rowstride (b); 465 int sb = gdk_pixbuf_get_rowstride (b);
405 466
406 guchar *pa = gdk_pixbuf_get_pixels (a); 467 guchar *pa = gdk_pixbuf_get_pixels (a);
407 guchar *pb = gdk_pixbuf_get_pixels (b); 468 guchar *pb = gdk_pixbuf_get_pixels (b);
… …
430 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); 491 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d));
431 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); 492 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d));
432 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); 493 d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d));
433 } 494 }
434 } 495 }
496
497 perlinterp_acquire ();
435 498
436 EXTEND (SP, 2); 499 EXTEND (SP, 2);
437 PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); 500 PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.)))));
438 PUSHs (sv_2mortal (newSVnv (peak / 255.))); 501 PUSHs (sv_2mortal (newSVnv (peak / 255.)));
439} 502}

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