| … | |
… | |
| 7 | #include <math.h> |
7 | #include <math.h> |
| 8 | |
8 | |
| 9 | #include <magic.h> |
9 | #include <magic.h> |
| 10 | |
10 | |
| 11 | #include <jpeglib.h> |
11 | #include <jpeglib.h> |
|
|
12 | #include <jerror.h> |
|
|
13 | |
| 12 | #include <glib.h> |
14 | #include <glib.h> |
| 13 | #include <gtk/gtk.h> |
15 | #include <gtk/gtk.h> |
|
|
16 | #include <gdk/gdkx.h> |
| 14 | #include <gdk-pixbuf/gdk-pixbuf.h> |
17 | #include <gdk-pixbuf/gdk-pixbuf.h> |
| 15 | |
18 | |
| 16 | #include <gperl.h> |
19 | #include <gperl.h> |
| 17 | #include <gtk2perl.h> |
20 | #include <gtk2perl.h> |
| 18 | |
21 | |
| 19 | #include <assert.h> |
22 | #include <assert.h> |
| 20 | |
23 | |
|
|
24 | #if WEBP |
|
|
25 | #include <webp/demux.h> |
|
|
26 | #include <webp/decode.h> |
|
|
27 | #endif |
|
|
28 | |
|
|
29 | #if JXL |
|
|
30 | #include <jxl/decode.h> |
|
|
31 | #include "jxl/thread_parallel_runner.h" |
|
|
32 | #endif |
|
|
33 | |
| 21 | #include "perlmulticore.h" |
34 | #include "perlmulticore.h" |
| 22 | |
35 | |
| 23 | #define IW 80 /* MUST match Schnauzer.pm! */ |
36 | #define IW 80 /* MUST match Schnauzer.pm! */ |
| 24 | #define IH 60 /* MUST match Schnauzer.pm! */ |
37 | #define IH 60 /* MUST match Schnauzer.pm! */ |
| 25 | |
38 | |
| 26 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
|
|
| 27 | |
|
|
| 28 | #define LINELENGTH 240 |
39 | #define LINELENGTH 240 |
| 29 | |
40 | |
| 30 | #define ELLIPSIS "\xe2\x80\xa6" |
41 | #define ELLIPSIS "\xe2\x80\xa6" |
| 31 | |
42 | |
| 32 | typedef char *octet_string; |
43 | typedef char *octet_string; |
|
|
44 | |
|
|
45 | static magic_t magic_cookie[2]; /* !mime, mime */ |
| 33 | |
46 | |
| 34 | struct jpg_err_mgr |
47 | struct jpg_err_mgr |
| 35 | { |
48 | { |
| 36 | struct jpeg_error_mgr err; |
49 | struct jpeg_error_mgr err; |
| 37 | jmp_buf setjmp_buffer; |
50 | jmp_buf setjmp_buffer; |
| … | |
… | |
| 156 | if (!--a85_cnt) |
169 | if (!--a85_cnt) |
| 157 | { |
170 | { |
| 158 | a85_cnt = 4; |
171 | a85_cnt = 4; |
| 159 | if (a85_val) |
172 | if (a85_val) |
| 160 | { |
173 | { |
| 161 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
174 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
| 162 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
175 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
| 163 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
176 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
| 164 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
177 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
| 165 | a85_ptr[0] = (a85_val ) + 33; |
178 | a85_ptr[0] = (a85_val ) + 33; |
| 166 | |
179 | |
| 167 | a85_ptr += 5; |
180 | a85_ptr += 5; |
| 168 | } |
181 | } |
| … | |
… | |
| 191 | |
204 | |
| 192 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
205 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
| 193 | } |
206 | } |
| 194 | |
207 | |
| 195 | ///////////////////////////////////////////////////////////////////////////// |
208 | ///////////////////////////////////////////////////////////////////////////// |
|
|
209 | // memory source for libjpeg |
|
|
210 | |
|
|
211 | static void cv_ms_init (j_decompress_ptr cinfo) |
|
|
212 | { |
|
|
213 | } |
|
|
214 | |
|
|
215 | static void cv_ms_term (j_decompress_ptr cinfo) |
|
|
216 | { |
|
|
217 | } |
|
|
218 | |
|
|
219 | static boolean cv_ms_fill (j_decompress_ptr cinfo) |
|
|
220 | { |
|
|
221 | // unexpected EOF, warn and generate fake EOI marker |
|
|
222 | |
|
|
223 | WARNMS (cinfo, JWRN_JPEG_EOF); |
|
|
224 | |
|
|
225 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
|
|
226 | |
|
|
227 | static const JOCTET eoi[] = { 0xFF, JPEG_EOI }; |
|
|
228 | |
|
|
229 | src->next_input_byte = eoi; |
|
|
230 | src->bytes_in_buffer = sizeof (eoi); |
|
|
231 | |
|
|
232 | return TRUE; |
|
|
233 | } |
|
|
234 | |
|
|
235 | static void cv_ms_skip (j_decompress_ptr cinfo, long num_bytes) |
|
|
236 | { |
|
|
237 | struct jpeg_source_mgr *src = (struct jpeg_source_mgr *)cinfo->src; |
|
|
238 | |
|
|
239 | src->next_input_byte += num_bytes; |
|
|
240 | src->bytes_in_buffer -= num_bytes; |
|
|
241 | } |
|
|
242 | |
|
|
243 | static void cv_jpeg_mem_src (j_decompress_ptr cinfo, void *buf, size_t buflen) |
|
|
244 | { |
|
|
245 | struct jpeg_source_mgr *src; |
|
|
246 | |
|
|
247 | if (!cinfo->src) |
|
|
248 | cinfo->src = (struct jpeg_source_mgr *) |
|
|
249 | (*cinfo->mem->alloc_small) ( |
|
|
250 | (j_common_ptr) cinfo, JPOOL_PERMANENT, sizeof (struct jpeg_source_mgr) |
|
|
251 | ); |
|
|
252 | |
|
|
253 | src = (struct jpeg_source_mgr *)cinfo->src; |
|
|
254 | src->init_source = cv_ms_init; |
|
|
255 | src->fill_input_buffer = cv_ms_fill; |
|
|
256 | src->skip_input_data = cv_ms_skip; |
|
|
257 | src->resync_to_restart = jpeg_resync_to_restart; |
|
|
258 | src->term_source = cv_ms_term; |
|
|
259 | src->next_input_byte = (JOCTET *)buf; |
|
|
260 | src->bytes_in_buffer = buflen; |
|
|
261 | } |
|
|
262 | |
|
|
263 | ///////////////////////////////////////////////////////////////////////////// |
|
|
264 | |
|
|
265 | /* great, the jpeg-xl reference implementaton requires us to parse bmff files */ |
|
|
266 | |
|
|
267 | struct bmff_box |
|
|
268 | { |
|
|
269 | char type[4]; |
|
|
270 | const uint8_t *ptr; |
|
|
271 | size_t size; |
|
|
272 | }; |
|
|
273 | |
|
|
274 | static int |
|
|
275 | bmff_parse_box (struct bmff_box *box, const uint8_t **next_in, size_t *avail_in) |
|
|
276 | { |
|
|
277 | if (*avail_in < 8) |
|
|
278 | return 0; |
|
|
279 | |
|
|
280 | box->size = ((*next_in)[0] << 24) |
|
|
281 | | ((*next_in)[1] << 16) |
|
|
282 | | ((*next_in)[2] << 8) |
|
|
283 | | ((*next_in)[3] ); |
|
|
284 | |
|
|
285 | if (box->size < 8) |
|
|
286 | return 0; |
|
|
287 | |
|
|
288 | if (*avail_in < box->size) |
|
|
289 | return 0; |
|
|
290 | |
|
|
291 | memcpy (box->type, *next_in + 4, 4); |
|
|
292 | box->ptr = *next_in + 8; |
|
|
293 | |
|
|
294 | *next_in += box->size; |
|
|
295 | *avail_in -= box->size; |
|
|
296 | |
|
|
297 | box->size -= 8; |
|
|
298 | |
|
|
299 | return 1; |
|
|
300 | } |
|
|
301 | |
|
|
302 | ///////////////////////////////////////////////////////////////////////////// |
| 196 | |
303 | |
| 197 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
| 198 | |
305 | |
| 199 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
| 200 | |
307 | |
|
|
308 | void |
|
|
309 | _exit (int code) |
|
|
310 | |
|
|
311 | # calculate the common prefix length of two strings |
| 201 | # missing function in perl. really :) |
312 | # missing function in perl. really :) |
| 202 | int |
313 | int |
| 203 | common_prefix_length (a, b) |
314 | common_prefix_length (a, b) |
| 204 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
315 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
| 205 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
316 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
| … | |
… | |
| 214 | |
325 | |
| 215 | OUTPUT: |
326 | OUTPUT: |
| 216 | RETVAL |
327 | RETVAL |
| 217 | |
328 | |
| 218 | const char * |
329 | const char * |
| 219 | magic (octet_string path) |
330 | magic (SV *path_or_data) |
|
|
331 | ALIAS: |
|
|
332 | magic = 0 |
|
|
333 | magic_mime = 1 |
|
|
334 | magic_buffer = 2 |
|
|
335 | magic_buffer_mime = 3 |
| 220 | CODE: |
336 | CODE: |
| 221 | { |
337 | { |
| 222 | static magic_t cookie; |
338 | STRLEN len; |
|
|
339 | char *data = SvPVbyte (path_or_data, len); |
| 223 | |
340 | |
| 224 | if (!cookie) |
341 | if (!magic_cookie[0]) |
| 225 | { |
342 | { |
| 226 | cookie = magic_open (MAGIC_SYMLINK); |
343 | magic_cookie[0] = magic_open (MAGIC_SYMLINK); |
| 227 | |
344 | magic_cookie[1] = magic_open (MAGIC_SYMLINK | MAGIC_MIME_TYPE); |
| 228 | if (cookie) |
|
|
| 229 | magic_load (cookie, 0); |
345 | magic_load (magic_cookie[0], 0); |
| 230 | else |
|
|
| 231 | XSRETURN_UNDEF; |
|
|
| 232 | } |
|
|
| 233 | |
|
|
| 234 | RETVAL = magic_file (cookie, path); |
|
|
| 235 | } |
|
|
| 236 | OUTPUT: |
|
|
| 237 | RETVAL |
|
|
| 238 | |
|
|
| 239 | const char * |
|
|
| 240 | magic_mime (octet_string path) |
|
|
| 241 | CODE: |
|
|
| 242 | { |
|
|
| 243 | static magic_t cookie; |
|
|
| 244 | |
|
|
| 245 | if (!cookie) |
|
|
| 246 | { |
|
|
| 247 | cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK); |
|
|
| 248 | |
|
|
| 249 | if (cookie) |
|
|
| 250 | magic_load (cookie, 0); |
346 | magic_load (magic_cookie[1], 0); |
| 251 | else |
|
|
| 252 | XSRETURN_UNDEF; |
|
|
| 253 | } |
347 | } |
| 254 | |
348 | |
| 255 | perlinterp_release (); |
349 | perlinterp_release (); |
| 256 | RETVAL = magic_file (cookie, path); |
350 | |
|
|
351 | RETVAL = ix & 2 |
|
|
352 | ? magic_buffer (magic_cookie[ix & 1], data, len) |
|
|
353 | : magic_file (magic_cookie[ix & 1], data); |
|
|
354 | |
| 257 | perlinterp_acquire (); |
355 | perlinterp_acquire (); |
| 258 | } |
356 | } |
| 259 | OUTPUT: |
357 | OUTPUT: |
| 260 | RETVAL |
358 | RETVAL |
| 261 | |
359 | |
| … | |
… | |
| 316 | : angle); |
414 | : angle); |
| 317 | perlinterp_acquire (); |
415 | perlinterp_acquire (); |
| 318 | OUTPUT: |
416 | OUTPUT: |
| 319 | RETVAL |
417 | RETVAL |
| 320 | |
418 | |
|
|
419 | const char * |
|
|
420 | filetype (SV *image_data) |
|
|
421 | CODE: |
|
|
422 | { |
|
|
423 | STRLEN data_len; |
|
|
424 | U8 *data = SvPVbyte (image_data, data_len); |
|
|
425 | static const unsigned char jxl_header[] = { |
|
|
426 | 0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20, 0x0d, 0xa, 0x87, 0x0a |
|
|
427 | }; |
|
|
428 | |
|
|
429 | if (data_len >= 20 |
|
|
430 | && data[0] == 0xff |
|
|
431 | && data[1] == 0xd8 |
|
|
432 | && data[2] == 0xff) |
|
|
433 | RETVAL = "image/jpeg"; |
|
|
434 | else if (data_len >= 12 |
|
|
435 | && data[ 0] == (U8)'R' |
|
|
436 | && data[ 1] == (U8)'I' |
|
|
437 | && data[ 2] == (U8)'F' |
|
|
438 | && data[ 3] == (U8)'F' |
|
|
439 | && data[ 8] == (U8)'W' |
|
|
440 | && data[ 9] == (U8)'E' |
|
|
441 | && data[10] == (U8)'B' |
|
|
442 | && data[11] == (U8)'P') |
|
|
443 | RETVAL = "image/webp"; |
|
|
444 | else if (data_len >= 16 |
|
|
445 | && data[ 0] == 0x89 |
|
|
446 | && data[ 1] == (U8)'P' |
|
|
447 | && data[ 2] == (U8)'N' |
|
|
448 | && data[ 3] == (U8)'G' |
|
|
449 | && data[ 4] == 0x0d |
|
|
450 | && data[ 5] == 0x0a |
|
|
451 | && data[ 6] == 0x1a |
|
|
452 | && data[ 7] == 0x0a) |
|
|
453 | RETVAL = "image/png"; |
|
|
454 | else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0) |
|
|
455 | RETVAL = "image/jxl"; // todo: might want to use JxlSignatureCheck |
|
|
456 | else if (data_len >= 2 |
|
|
457 | && data[0] == 0xff |
|
|
458 | && data[1] == 0x0a) |
|
|
459 | RETVAL = "image/jxl"; |
|
|
460 | else if (data_len >= 13 |
|
|
461 | && data[0] == 'G' |
|
|
462 | && data[1] == 'I' |
|
|
463 | && data[2] == 'F' |
|
|
464 | && data[3] == '8' |
|
|
465 | //&& (data[4] == '7' || data[4] == '9') |
|
|
466 | && data[5] == 'a') |
|
|
467 | { |
|
|
468 | RETVAL = "image/gif"; |
|
|
469 | |
|
|
470 | // now see if its animated - we require the netscape application header for this |
|
|
471 | int ofs = 13; |
|
|
472 | |
|
|
473 | if (data[10] & 0x80) |
|
|
474 | ofs += (1 << ((data[10] & 7) + 1)) * 3; |
|
|
475 | |
|
|
476 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
477 | { |
|
|
478 | |
|
|
479 | // skip a graphic control extension block. we assume |
|
|
480 | // there is at most one such block - while the NAB |
|
|
481 | // has to come firstz, some files do not obey this |
|
|
482 | if (data[ofs] == 0x21 && data[ofs + 1] == 0xf9) |
|
|
483 | ofs += 3 + data[ofs + 2] + 1; |
|
|
484 | |
|
|
485 | if (data_len >= ofs + 2 + 1 + 11) |
|
|
486 | if (!memcmp (data + ofs, "\x21\xff\x0bNETSCAPE2.0", sizeof ("\x21\xff\x0bNETSCAPE2.0") - 1)) |
|
|
487 | RETVAL = "video/gif"; |
|
|
488 | } |
|
|
489 | } |
|
|
490 | else if (data_len >= 0x8000 + 6 |
|
|
491 | && data[0x8000+0] == 0 |
|
|
492 | && data[0x8000+1] == (U8)'B' |
|
|
493 | && data[0x8000+2] == (U8)'E' |
|
|
494 | && data[0x8000+3] == (U8)'A' |
|
|
495 | && data[0x8000+4] == (U8)'0' |
|
|
496 | && data[0x8000+5] == (U8)'1') |
|
|
497 | RETVAL = "video/iso-bluray"; |
|
|
498 | |
|
|
499 | else |
|
|
500 | XSRETURN_UNDEF; |
|
|
501 | } |
|
|
502 | OUTPUT: |
|
|
503 | RETVAL |
|
|
504 | |
| 321 | GdkPixbuf_noinc * |
505 | GdkPixbuf_noinc * |
|
|
506 | decode_webp (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
507 | CODE: |
|
|
508 | { |
|
|
509 | #if WEBP |
|
|
510 | STRLEN data_size; |
|
|
511 | int alpha; |
|
|
512 | WebPData data; |
|
|
513 | WebPDemuxer *demux; |
|
|
514 | WebPIterator iter; |
|
|
515 | WebPDecoderConfig config; |
|
|
516 | int inw, inh; |
|
|
517 | |
|
|
518 | data.bytes = (uint8_t *)SvPVbyte (image_data, data_size); |
|
|
519 | data.size = data_size; |
|
|
520 | |
|
|
521 | perlinterp_release (); |
|
|
522 | |
|
|
523 | RETVAL = 0; |
|
|
524 | |
|
|
525 | if (!(demux = WebPDemux (&data))) |
|
|
526 | goto err_demux; |
|
|
527 | |
|
|
528 | if (!WebPDemuxGetFrame (demux, 1, &iter)) |
|
|
529 | goto err_iter; |
|
|
530 | |
|
|
531 | if (!WebPInitDecoderConfig (&config)) |
|
|
532 | goto err_iter; |
|
|
533 | |
|
|
534 | config.options.use_threads = 1; |
|
|
535 | |
|
|
536 | if (WebPGetFeatures (iter.fragment.bytes, iter.fragment.size, &config.input) != VP8_STATUS_OK) |
|
|
537 | goto err_iter; |
|
|
538 | |
|
|
539 | inw = config.input.width; |
|
|
540 | inh = config.input.height; |
|
|
541 | |
|
|
542 | if (thumbnail) |
|
|
543 | { |
|
|
544 | if (inw * ih > inh * iw) |
|
|
545 | ih = (iw * inh + inw - 1) / inw; |
|
|
546 | else |
|
|
547 | iw = (ih * inw + inh - 1) / inh; |
|
|
548 | |
|
|
549 | config.options.bypass_filtering = 1; |
|
|
550 | config.options.no_fancy_upsampling = 1; |
|
|
551 | |
|
|
552 | config.options.use_scaling = 1; |
|
|
553 | config.options.scaled_width = iw; |
|
|
554 | config.options.scaled_height = ih; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | { |
|
|
558 | iw = inw; |
|
|
559 | ih = inh; |
|
|
560 | } |
|
|
561 | |
|
|
562 | alpha = !!config.input.has_alpha; |
|
|
563 | |
|
|
564 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, alpha, 8, iw, ih); |
|
|
565 | if (!RETVAL) |
|
|
566 | goto err_iter; |
|
|
567 | |
|
|
568 | config.output.colorspace = alpha ? MODE_RGBA : MODE_RGB; |
|
|
569 | config.output.u.RGBA.rgba = gdk_pixbuf_get_pixels (RETVAL); |
|
|
570 | config.output.u.RGBA.stride = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
571 | config.output.u.RGBA.size = gdk_pixbuf_get_byte_length (RETVAL); |
|
|
572 | config.output.is_external_memory = 1; |
|
|
573 | |
|
|
574 | if (WebPDecode (iter.fragment.bytes, iter.fragment.size, &config) != VP8_STATUS_OK) |
|
|
575 | { |
|
|
576 | g_object_unref (RETVAL); |
|
|
577 | RETVAL = 0; |
|
|
578 | goto err_iter; |
|
|
579 | } |
|
|
580 | |
|
|
581 | err_iter: |
|
|
582 | WebPDemuxReleaseIterator (&iter); |
|
|
583 | err_demux: |
|
|
584 | WebPDemuxDelete (demux); |
|
|
585 | |
|
|
586 | perlinterp_acquire (); |
|
|
587 | #else |
|
|
588 | croak ("load_webp: webp not enabled at compile time"); |
|
|
589 | #endif |
|
|
590 | } |
|
|
591 | OUTPUT: |
|
|
592 | RETVAL |
|
|
593 | |
|
|
594 | GdkPixbuf_noinc * |
|
|
595 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
596 | CODE: |
|
|
597 | { |
|
|
598 | #if JXL |
|
|
599 | JxlDecoder *dec; |
|
|
600 | JxlBasicInfo info; |
|
|
601 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
|
|
602 | size_t avail_in = SvCUR (image_data); |
|
|
603 | const char *error = 0; |
|
|
604 | JxlDecoderStatus status; |
|
|
605 | static void *runner_cache; |
|
|
606 | void *runner = 0; |
|
|
607 | |
|
|
608 | RETVAL = 0; |
|
|
609 | |
|
|
610 | if (runner_cache) |
|
|
611 | runner = runner_cache; |
|
|
612 | else |
|
|
613 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
|
|
614 | |
|
|
615 | runner_cache = 0; |
|
|
616 | |
|
|
617 | perlinterp_release (); |
|
|
618 | |
|
|
619 | dec = JxlDecoderCreate (0); |
|
|
620 | |
|
|
621 | error = "JxlDecoderCreate failed"; |
|
|
622 | if (!dec) |
|
|
623 | goto done; |
|
|
624 | |
|
|
625 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
|
|
626 | error = "JxlDecoderSetParallelRunner failed"; |
|
|
627 | if (status != JXL_DEC_SUCCESS) |
|
|
628 | goto done; |
|
|
629 | |
|
|
630 | error = "JxlDecoderSubscribeEvents failed"; |
|
|
631 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
|
|
632 | if (status != JXL_DEC_SUCCESS) |
|
|
633 | goto done; |
|
|
634 | |
|
|
635 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
|
|
636 | error = "JxlDecoderSetInput failed"; |
|
|
637 | if (status != JXL_DEC_SUCCESS) |
|
|
638 | goto done; |
|
|
639 | |
|
|
640 | for (;;) |
|
|
641 | { |
|
|
642 | status = JxlDecoderProcessInput (dec); |
|
|
643 | |
|
|
644 | switch (status) |
|
|
645 | { |
|
|
646 | case JXL_DEC_FULL_IMAGE: |
|
|
647 | error = 0; |
|
|
648 | goto done; |
|
|
649 | |
|
|
650 | case JXL_DEC_ERROR: |
|
|
651 | error = "JxlDecoderProcessInput failed"; |
|
|
652 | goto done; |
|
|
653 | |
|
|
654 | case JXL_DEC_NEED_MORE_INPUT: |
|
|
655 | error = "incomplete file"; |
|
|
656 | goto done; |
|
|
657 | |
|
|
658 | case JXL_DEC_SUCCESS: |
|
|
659 | error = "incomplete decode"; |
|
|
660 | goto done; |
|
|
661 | |
|
|
662 | case JXL_DEC_BASIC_INFO: |
|
|
663 | { |
|
|
664 | status = JxlDecoderGetBasicInfo (dec, &info); |
|
|
665 | error = "JxlDecoderGetBasicInfo failed"; |
|
|
666 | if (status != JXL_DEC_SUCCESS) |
|
|
667 | goto done; |
|
|
668 | |
|
|
669 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
|
|
670 | error = "unable to allocate pixbuf"; |
|
|
671 | if (!RETVAL) |
|
|
672 | goto done; |
|
|
673 | |
|
|
674 | JxlPixelFormat format = { |
|
|
675 | info.alpha_bits ? 4 : 3, |
|
|
676 | JXL_TYPE_UINT8, |
|
|
677 | JXL_NATIVE_ENDIAN, |
|
|
678 | gdk_pixbuf_get_rowstride (RETVAL) |
|
|
679 | }; |
|
|
680 | |
|
|
681 | // cannot use gdk_pixbuf_get_byte_length because that does |
|
|
682 | // not return the size of the buffer, but the size of the buffer without |
|
|
683 | // the last padding bytes. the internal buffer is rowstride * ysize, |
|
|
684 | // and this is what the jxl decoder needs. none of this is documented |
|
|
685 | // in either library, of course. |
|
|
686 | |
|
|
687 | status = JxlDecoderSetImageOutBuffer ( |
|
|
688 | dec, |
|
|
689 | &format, |
|
|
690 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
691 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
|
|
692 | ); |
|
|
693 | error = "JxlDecoderSetImageOutBuffer failed"; |
|
|
694 | if (status != JXL_DEC_SUCCESS) |
|
|
695 | goto done; |
|
|
696 | } |
|
|
697 | break; |
|
|
698 | |
|
|
699 | default: |
|
|
700 | error = "unexpected event"; |
|
|
701 | goto done; |
|
|
702 | } |
|
|
703 | } |
|
|
704 | |
|
|
705 | done: |
|
|
706 | if (dec) |
|
|
707 | JxlDecoderDestroy (dec); |
|
|
708 | |
|
|
709 | perlinterp_acquire (); |
|
|
710 | |
|
|
711 | if (runner_cache) |
|
|
712 | JxlThreadParallelRunnerDestroy (runner); |
|
|
713 | |
|
|
714 | runner_cache = runner; |
|
|
715 | |
|
|
716 | if (error) |
|
|
717 | { |
|
|
718 | if (RETVAL) |
|
|
719 | g_object_unref (RETVAL); |
|
|
720 | |
|
|
721 | croak ("load_jxl: %s (status %d)", error, status); |
|
|
722 | } |
|
|
723 | #else |
|
|
724 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
|
|
725 | #endif |
|
|
726 | } |
|
|
727 | OUTPUT: |
|
|
728 | RETVAL |
|
|
729 | |
|
|
730 | GdkPixbuf_noinc * |
| 322 | load_jpeg (SV *path, int thumbnail = 0, int iw = 0, int ih = 0) |
731 | decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
| 323 | CODE: |
732 | CODE: |
| 324 | { |
733 | { |
| 325 | struct jpeg_decompress_struct cinfo; |
734 | struct jpeg_decompress_struct cinfo; |
| 326 | struct jpg_err_mgr jerr; |
735 | struct jpg_err_mgr jerr; |
| 327 | guchar *data; |
|
|
| 328 | int rs; |
736 | int rs; |
| 329 | FILE *fp; |
|
|
| 330 | volatile GdkPixbuf *pb = 0; |
737 | volatile GdkPixbuf *pb = 0; |
|
|
738 | STRLEN data_len; |
|
|
739 | guchar *data = SvPVbyte (image_data, data_len); |
| 331 | |
740 | |
| 332 | RETVAL = 0; |
741 | RETVAL = 0; |
| 333 | |
|
|
| 334 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
|
|
| 335 | |
|
|
| 336 | if (!fp) |
|
|
| 337 | XSRETURN_UNDEF; |
|
|
| 338 | |
742 | |
| 339 | perlinterp_release (); |
743 | perlinterp_release (); |
| 340 | |
744 | |
| 341 | cinfo.err = jpeg_std_error (&jerr.err); |
745 | cinfo.err = jpeg_std_error (&jerr.err); |
| 342 | |
746 | |
| 343 | jerr.err.error_exit = cv_error_exit; |
747 | jerr.err.error_exit = cv_error_exit; |
| 344 | jerr.err.output_message = cv_error_output; |
748 | jerr.err.output_message = cv_error_output; |
| 345 | |
749 | |
| 346 | if ((rs = setjmp (jerr.setjmp_buffer))) |
750 | if ((rs = setjmp (jerr.setjmp_buffer))) |
| 347 | { |
751 | { |
| 348 | fclose (fp); |
|
|
| 349 | jpeg_destroy_decompress (&cinfo); |
752 | jpeg_destroy_decompress (&cinfo); |
| 350 | |
753 | |
| 351 | if (pb) |
754 | if (pb) |
| 352 | g_object_unref ((gpointer)pb); |
755 | g_object_unref ((gpointer)pb); |
| 353 | |
756 | |
| 354 | perlinterp_acquire (); |
757 | perlinterp_acquire (); |
| 355 | XSRETURN_UNDEF; |
758 | XSRETURN_UNDEF; |
| 356 | } |
759 | } |
| 357 | |
760 | |
|
|
761 | if (!data_len) |
|
|
762 | longjmp (jerr.setjmp_buffer, 4); |
|
|
763 | |
| 358 | jpeg_create_decompress (&cinfo); |
764 | jpeg_create_decompress (&cinfo); |
|
|
765 | cv_jpeg_mem_src (&cinfo, data, data_len); |
| 359 | |
766 | |
| 360 | jpeg_stdio_src (&cinfo, fp); |
|
|
| 361 | jpeg_read_header (&cinfo, TRUE); |
767 | jpeg_read_header (&cinfo, TRUE); |
| 362 | |
768 | |
| 363 | cinfo.dct_method = JDCT_DEFAULT; |
769 | cinfo.dct_method = JDCT_DEFAULT; |
| 364 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
770 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
| 365 | cinfo.do_block_smoothing = FALSE; |
771 | cinfo.do_block_smoothing = FALSE; |
| … | |
… | |
| 425 | U32 c = data [0]; |
831 | U32 c = data [0]; |
| 426 | U32 m = data [1]; |
832 | U32 m = data [1]; |
| 427 | U32 y = data [2]; |
833 | U32 y = data [2]; |
| 428 | U32 k = data [3]; |
834 | U32 k = data [3]; |
| 429 | |
835 | |
|
|
836 | if (0) |
|
|
837 | if (cinfo.Adobe_transform == 2) |
|
|
838 | { |
|
|
839 | c ^= 0xff; |
|
|
840 | m ^= 0xff; |
|
|
841 | y ^= 0xff; |
|
|
842 | k ^= 0xff; |
|
|
843 | } |
|
|
844 | |
| 430 | data [0] = c * k / 255; |
845 | data [0] = (c * k + 0x80) / 0xff; |
| 431 | data [1] = m * k / 255; |
846 | data [1] = (m * k + 0x80) / 0xff; |
| 432 | data [2] = y * k / 255; |
847 | data [2] = (y * k + 0x80) / 0xff; |
| 433 | data [3] = 255; |
848 | data [3] = 0xff; |
| 434 | |
849 | |
| 435 | data += 4; |
850 | data += 4; |
| 436 | } |
851 | } |
| 437 | } |
852 | } |
| 438 | |
853 | |
| 439 | jpeg_finish_decompress (&cinfo); |
854 | jpeg_finish_decompress (&cinfo); |
| 440 | fclose (fp); |
|
|
| 441 | jpeg_destroy_decompress (&cinfo); |
855 | jpeg_destroy_decompress (&cinfo); |
| 442 | perlinterp_acquire (); |
856 | perlinterp_acquire (); |
| 443 | } |
857 | } |
| 444 | OUTPUT: |
858 | OUTPUT: |
| 445 | RETVAL |
859 | RETVAL |
| … | |
… | |
| 504 | CODE: |
918 | CODE: |
| 505 | { |
919 | { |
| 506 | STRLEN plen; |
920 | STRLEN plen; |
| 507 | U8 *path = (U8 *)SvPV (pathsv, plen); |
921 | U8 *path = (U8 *)SvPV (pathsv, plen); |
| 508 | U8 *pend = path + plen; |
922 | U8 *pend = path + plen; |
| 509 | U8 dst [plen * 6 * 3], *dstp = dst; |
923 | U8 dst [plen * 8 * 3], *dstp = dst; |
| 510 | |
924 | |
| 511 | while (path < pend) |
925 | while (path < pend) |
| 512 | { |
926 | { |
| 513 | U8 ch = *path; |
927 | U8 ch = *path; |
| 514 | |
928 | |
| … | |
… | |
| 516 | *dstp++ = *path++; |
930 | *dstp++ = *path++; |
| 517 | else if (ch >= 'A' && ch <= 'Z') |
931 | else if (ch >= 'A' && ch <= 'Z') |
| 518 | *dstp++ = *path++ + ('a' - 'A'); |
932 | *dstp++ = *path++ + ('a' - 'A'); |
| 519 | else if (ch >= '0' && ch <= '9') |
933 | else if (ch >= '0' && ch <= '9') |
| 520 | { |
934 | { |
|
|
935 | /* version sort, up to 8 digits */ |
| 521 | STRLEN el, nl = 0; |
936 | STRLEN el, nl = 0; |
| 522 | while (*path >= '0' && *path <= '9' && path < pend) |
937 | while (*path >= '0' && *path <= '9' && path < pend) |
| 523 | path++, nl++; |
938 | path++, nl++; |
| 524 | |
939 | |
| 525 | for (el = nl; el < 6; el++) |
940 | for (el = nl; el < 8; el++) |
| 526 | *dstp++ = '0'; |
941 | *dstp++ = '0'; |
| 527 | |
942 | |
| 528 | memcpy (dstp, path - nl, nl); |
943 | memcpy (dstp, path - nl, nl); |
| 529 | dstp += nl; |
944 | dstp += nl; |
| 530 | } |
945 | } |
