… | |
… | |
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> |
14 | #include <gdk/gdkx.h> |
16 | #include <gdk/gdkx.h> |
15 | #include <gdk-pixbuf/gdk-pixbuf.h> |
17 | #include <gdk-pixbuf/gdk-pixbuf.h> |
16 | |
18 | |
… | |
… | |
18 | #include <gtk2perl.h> |
20 | #include <gtk2perl.h> |
19 | |
21 | |
20 | #include <assert.h> |
22 | #include <assert.h> |
21 | |
23 | |
22 | #if WEBP |
24 | #if WEBP |
|
|
25 | #include <webp/demux.h> |
23 | #include <webp/decode.h> |
26 | #include <webp/decode.h> |
24 | #endif |
27 | #endif |
25 | |
28 | |
|
|
29 | #if JXL |
|
|
30 | #include <jxl/decode.h> |
|
|
31 | #include "jxl/thread_parallel_runner.h" |
|
|
32 | #endif |
|
|
33 | |
26 | #include "perlmulticore.h" |
34 | #include "perlmulticore.h" |
27 | |
35 | |
28 | #define IW 80 /* MUST match Schnauzer.pm! */ |
36 | #define IW 80 /* MUST match Schnauzer.pm! */ |
29 | #define IH 60 /* MUST match Schnauzer.pm! */ |
37 | #define IH 60 /* MUST match Schnauzer.pm! */ |
30 | |
38 | |
31 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
|
|
32 | |
|
|
33 | #define LINELENGTH 240 |
39 | #define LINELENGTH 240 |
34 | |
40 | |
35 | #define ELLIPSIS "\xe2\x80\xa6" |
41 | #define ELLIPSIS "\xe2\x80\xa6" |
36 | |
42 | |
37 | typedef char *octet_string; |
43 | typedef char *octet_string; |
|
|
44 | |
|
|
45 | static magic_t magic_cookie[2]; /* !mime, mime */ |
38 | |
46 | |
39 | struct jpg_err_mgr |
47 | struct jpg_err_mgr |
40 | { |
48 | { |
41 | struct jpeg_error_mgr err; |
49 | struct jpeg_error_mgr err; |
42 | jmp_buf setjmp_buffer; |
50 | jmp_buf setjmp_buffer; |
… | |
… | |
196 | |
204 | |
197 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
205 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
198 | } |
206 | } |
199 | |
207 | |
200 | ///////////////////////////////////////////////////////////////////////////// |
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 | ///////////////////////////////////////////////////////////////////////////// |
201 | |
303 | |
202 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
203 | |
305 | |
204 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
205 | |
307 | |
|
|
308 | void |
|
|
309 | _exit (int code) |
|
|
310 | |
|
|
311 | # calculate the common prefix length of two strings |
206 | # missing function in perl. really :) |
312 | # missing function in perl. really :) |
207 | int |
313 | int |
208 | common_prefix_length (a, b) |
314 | common_prefix_length (a, b) |
209 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
315 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
210 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
316 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
… | |
… | |
219 | |
325 | |
220 | OUTPUT: |
326 | OUTPUT: |
221 | RETVAL |
327 | RETVAL |
222 | |
328 | |
223 | const char * |
329 | const char * |
224 | 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 |
225 | CODE: |
336 | CODE: |
226 | { |
337 | { |
227 | static magic_t cookie; |
338 | STRLEN len; |
|
|
339 | char *data = SvPVbyte (path_or_data, len); |
228 | |
340 | |
229 | if (!cookie) |
341 | if (!magic_cookie[0]) |
230 | { |
342 | { |
231 | cookie = magic_open (MAGIC_SYMLINK); |
343 | magic_cookie[0] = magic_open (MAGIC_SYMLINK); |
232 | |
344 | magic_cookie[1] = magic_open (MAGIC_SYMLINK | MAGIC_MIME_TYPE); |
233 | if (cookie) |
|
|
234 | magic_load (cookie, 0); |
345 | magic_load (magic_cookie[0], 0); |
235 | else |
|
|
236 | XSRETURN_UNDEF; |
|
|
237 | } |
|
|
238 | |
|
|
239 | RETVAL = magic_file (cookie, path); |
|
|
240 | } |
|
|
241 | OUTPUT: |
|
|
242 | RETVAL |
|
|
243 | |
|
|
244 | const char * |
|
|
245 | magic_mime (octet_string path) |
|
|
246 | CODE: |
|
|
247 | { |
|
|
248 | static magic_t cookie; |
|
|
249 | |
|
|
250 | if (!cookie) |
|
|
251 | { |
|
|
252 | cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK); |
|
|
253 | |
|
|
254 | if (cookie) |
|
|
255 | magic_load (cookie, 0); |
346 | magic_load (magic_cookie[1], 0); |
256 | else |
|
|
257 | XSRETURN_UNDEF; |
|
|
258 | } |
347 | } |
259 | |
348 | |
260 | perlinterp_release (); |
349 | perlinterp_release (); |
261 | 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 | |
262 | perlinterp_acquire (); |
355 | perlinterp_acquire (); |
263 | } |
356 | } |
264 | OUTPUT: |
357 | OUTPUT: |
265 | RETVAL |
358 | RETVAL |
266 | |
359 | |
… | |
… | |
321 | : angle); |
414 | : angle); |
322 | perlinterp_acquire (); |
415 | perlinterp_acquire (); |
323 | OUTPUT: |
416 | OUTPUT: |
324 | RETVAL |
417 | RETVAL |
325 | |
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+1] == (U8)'B' |
|
|
492 | && data[0x8000+2] == (U8)'E' |
|
|
493 | && data[0x8000+3] == (U8)'A' |
|
|
494 | && data[0x8000+4] == (U8)'0' |
|
|
495 | && data[0x8000+5] == (U8)'1') |
|
|
496 | RETVAL = "video/iso-bluray"; |
|
|
497 | else if (data_len >= 0x8000 + 6 |
|
|
498 | && data[0x8000+1] == (U8)'C' |
|
|
499 | && data[0x8000+2] == (U8)'D' |
|
|
500 | && data[0x8000+3] == (U8)'0' |
|
|
501 | && data[0x8000+4] == (U8)'0' |
|
|
502 | && data[0x8000+5] == (U8)'1') |
|
|
503 | RETVAL = "video/iso9660"; |
|
|
504 | |
|
|
505 | else |
|
|
506 | XSRETURN_UNDEF; |
|
|
507 | } |
|
|
508 | OUTPUT: |
|
|
509 | RETVAL |
|
|
510 | |
326 | GdkPixbuf_noinc * |
511 | GdkPixbuf_noinc * |
327 | load_webp (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
512 | decode_webp (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
328 | CODE: |
513 | CODE: |
329 | { |
514 | { |
330 | #if WEBP |
515 | #if WEBP |
331 | STRLEN data_size; |
516 | STRLEN data_size; |
332 | guchar *data = SvPVbyte (image_data, data_size); |
|
|
333 | int alpha; |
517 | int alpha; |
|
|
518 | WebPData data; |
|
|
519 | WebPDemuxer *demux; |
|
|
520 | WebPIterator iter; |
334 | WebPDecoderConfig config; |
521 | WebPDecoderConfig config; |
|
|
522 | int inw, inh; |
|
|
523 | |
|
|
524 | data.bytes = (uint8_t *)SvPVbyte (image_data, data_size); |
|
|
525 | data.size = data_size; |
335 | |
526 | |
336 | perlinterp_release (); |
527 | perlinterp_release (); |
337 | |
528 | |
338 | RETVAL = 0; |
529 | RETVAL = 0; |
339 | |
530 | |
|
|
531 | if (!(demux = WebPDemux (&data))) |
|
|
532 | goto err_demux; |
|
|
533 | |
|
|
534 | if (!WebPDemuxGetFrame (demux, 1, &iter)) |
|
|
535 | goto err_iter; |
|
|
536 | |
340 | if (!WebPInitDecoderConfig (&config)) |
537 | if (!WebPInitDecoderConfig (&config)) |
341 | goto err; |
538 | goto err_iter; |
342 | |
539 | |
343 | config.options.use_threads = 1; |
540 | config.options.use_threads = 1; |
|
|
541 | |
|
|
542 | if (WebPGetFeatures (iter.fragment.bytes, iter.fragment.size, &config.input) != VP8_STATUS_OK) |
|
|
543 | goto err_iter; |
|
|
544 | |
|
|
545 | inw = config.input.width; |
|
|
546 | inh = config.input.height; |
344 | |
547 | |
345 | if (thumbnail) |
548 | if (thumbnail) |
346 | { |
549 | { |
|
|
550 | if (inw * ih > inh * iw) |
|
|
551 | ih = (iw * inh + inw - 1) / inw; |
|
|
552 | else |
|
|
553 | iw = (ih * inw + inh - 1) / inh; |
|
|
554 | |
347 | config.options.bypass_filtering = 1; |
555 | config.options.bypass_filtering = 1; |
348 | config.options.no_fancy_upsampling = 1; |
556 | config.options.no_fancy_upsampling = 1; |
349 | |
557 | |
350 | config.options.use_scaling = 1; |
558 | config.options.use_scaling = 1; |
351 | config.options.scaled_width = iw; |
559 | config.options.scaled_width = iw; |
352 | config.options.scaled_height = ih; |
560 | config.options.scaled_height = ih; |
353 | } |
561 | } |
354 | else |
562 | else |
355 | { |
563 | { |
356 | iw = config.input.width; |
564 | iw = inw; |
357 | ih = config.input.height; |
565 | ih = inh; |
358 | } |
566 | } |
359 | |
567 | |
360 | if (WebPGetFeatures (data, data_size, &config.input) != VP8_STATUS_OK) |
|
|
361 | goto err; |
|
|
362 | |
|
|
363 | alpha = config.input.has_alpha; |
568 | alpha = !!config.input.has_alpha; |
364 | |
569 | |
365 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!alpha, 8, iw, ih); |
570 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, alpha, 8, iw, ih); |
366 | if (!RETVAL) |
571 | if (!RETVAL) |
367 | goto err; |
572 | goto err_iter; |
368 | |
573 | |
369 | config.output.colorspace = alpha ? MODE_RGBA : MODE_RGB; |
574 | config.output.colorspace = alpha ? MODE_RGBA : MODE_RGB; |
370 | config.output.u.RGBA.rgba = gdk_pixbuf_get_pixels (RETVAL); |
575 | config.output.u.RGBA.rgba = gdk_pixbuf_get_pixels (RETVAL); |
371 | config.output.u.RGBA.stride = gdk_pixbuf_get_rowstride (RETVAL); |
576 | config.output.u.RGBA.stride = gdk_pixbuf_get_rowstride (RETVAL); |
372 | config.output.u.RGBA.size = gdk_pixbuf_get_byte_length (RETVAL); |
577 | config.output.u.RGBA.size = gdk_pixbuf_get_byte_length (RETVAL); |
373 | config.output.is_external_memory = 1; |
578 | config.output.is_external_memory = 1; |
374 | |
579 | |
375 | if (WebPDecode (data, data_size, &config) != VP8_STATUS_OK) |
580 | if (WebPDecode (iter.fragment.bytes, iter.fragment.size, &config) != VP8_STATUS_OK) |
376 | { |
581 | { |
377 | g_object_unref (RETVAL); |
582 | g_object_unref (RETVAL); |
378 | RETVAL = 0; |
583 | RETVAL = 0; |
379 | goto err; |
584 | goto err_iter; |
380 | } |
585 | } |
381 | |
586 | |
382 | err: |
587 | err_iter: |
|
|
588 | WebPDemuxReleaseIterator (&iter); |
|
|
589 | err_demux: |
|
|
590 | WebPDemuxDelete (demux); |
|
|
591 | |
383 | perlinterp_acquire (); |
592 | perlinterp_acquire (); |
384 | #else |
593 | #else |
385 | croak ("load_webp: webp not enabled at compile time"); |
594 | croak ("load_webp: webp not enabled at compile time"); |
386 | #endif |
595 | #endif |
387 | } |
596 | } |
388 | OUTPUT: |
597 | OUTPUT: |
389 | RETVAL |
598 | RETVAL |
390 | |
599 | |
391 | GdkPixbuf_noinc * |
600 | GdkPixbuf_noinc * |
|
|
601 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
602 | CODE: |
|
|
603 | { |
|
|
604 | #if JXL |
|
|
605 | JxlDecoder *dec; |
|
|
606 | JxlBasicInfo info; |
|
|
607 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
|
|
608 | size_t avail_in = SvCUR (image_data); |
|
|
609 | const char *error = 0; |
|
|
610 | JxlDecoderStatus status; |
|
|
611 | static void *runner_cache; |
|
|
612 | void *runner = 0; |
|
|
613 | |
|
|
614 | RETVAL = 0; |
|
|
615 | |
|
|
616 | if (runner_cache) |
|
|
617 | runner = runner_cache; |
|
|
618 | else |
|
|
619 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
|
|
620 | |
|
|
621 | runner_cache = 0; |
|
|
622 | |
|
|
623 | perlinterp_release (); |
|
|
624 | |
|
|
625 | dec = JxlDecoderCreate (0); |
|
|
626 | |
|
|
627 | error = "JxlDecoderCreate failed"; |
|
|
628 | if (!dec) |
|
|
629 | goto done; |
|
|
630 | |
|
|
631 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
|
|
632 | error = "JxlDecoderSetParallelRunner failed"; |
|
|
633 | if (status != JXL_DEC_SUCCESS) |
|
|
634 | goto done; |
|
|
635 | |
|
|
636 | error = "JxlDecoderSubscribeEvents failed"; |
|
|
637 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
|
|
638 | if (status != JXL_DEC_SUCCESS) |
|
|
639 | goto done; |
|
|
640 | |
|
|
641 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
|
|
642 | error = "JxlDecoderSetInput failed"; |
|
|
643 | if (status != JXL_DEC_SUCCESS) |
|
|
644 | goto done; |
|
|
645 | |
|
|
646 | for (;;) |
|
|
647 | { |
|
|
648 | status = JxlDecoderProcessInput (dec); |
|
|
649 | |
|
|
650 | switch (status) |
|
|
651 | { |
|
|
652 | case JXL_DEC_FULL_IMAGE: |
|
|
653 | error = 0; |
|
|
654 | goto done; |
|
|
655 | |
|
|
656 | case JXL_DEC_ERROR: |
|
|
657 | error = "JxlDecoderProcessInput failed"; |
|
|
658 | goto done; |
|
|
659 | |
|
|
660 | case JXL_DEC_NEED_MORE_INPUT: |
|
|
661 | error = "incomplete file"; |
|
|
662 | goto done; |
|
|
663 | |
|
|
664 | case JXL_DEC_SUCCESS: |
|
|
665 | error = "incomplete decode"; |
|
|
666 | goto done; |
|
|
667 | |
|
|
668 | case JXL_DEC_BASIC_INFO: |
|
|
669 | { |
|
|
670 | status = JxlDecoderGetBasicInfo (dec, &info); |
|
|
671 | error = "JxlDecoderGetBasicInfo failed"; |
|
|
672 | if (status != JXL_DEC_SUCCESS) |
|
|
673 | goto done; |
|
|
674 | |
|
|
675 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
|
|
676 | error = "unable to allocate pixbuf"; |
|
|
677 | if (!RETVAL) |
|
|
678 | goto done; |
|
|
679 | |
|
|
680 | JxlPixelFormat format = { |
|
|
681 | info.alpha_bits ? 4 : 3, |
|
|
682 | JXL_TYPE_UINT8, |
|
|
683 | JXL_NATIVE_ENDIAN, |
|
|
684 | gdk_pixbuf_get_rowstride (RETVAL) |
|
|
685 | }; |
|
|
686 | |
|
|
687 | // cannot use gdk_pixbuf_get_byte_length because that does |
|
|
688 | // not return the size of the buffer, but the size of the buffer without |
|
|
689 | // the last padding bytes. the internal buffer is rowstride * ysize, |
|
|
690 | // and this is what the jxl decoder needs. none of this is documented |
|
|
691 | // in either library, of course. |
|
|
692 | |
|
|
693 | status = JxlDecoderSetImageOutBuffer ( |
|
|
694 | dec, |
|
|
695 | &format, |
|
|
696 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
697 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
|
|
698 | ); |
|
|
699 | error = "JxlDecoderSetImageOutBuffer failed"; |
|
|
700 | if (status != JXL_DEC_SUCCESS) |
|
|
701 | goto done; |
|
|
702 | } |
|
|
703 | break; |
|
|
704 | |
|
|
705 | default: |
|
|
706 | error = "unexpected event"; |
|
|
707 | goto done; |
|
|
708 | } |
|
|
709 | } |
|
|
710 | |
|
|
711 | done: |
|
|
712 | if (dec) |
|
|
713 | JxlDecoderDestroy (dec); |
|
|
714 | |
|
|
715 | perlinterp_acquire (); |
|
|
716 | |
|
|
717 | if (runner_cache) |
|
|
718 | JxlThreadParallelRunnerDestroy (runner); |
|
|
719 | |
|
|
720 | runner_cache = runner; |
|
|
721 | |
|
|
722 | if (error) |
|
|
723 | { |
|
|
724 | if (RETVAL) |
|
|
725 | g_object_unref (RETVAL); |
|
|
726 | |
|
|
727 | croak ("load_jxl: %s (status %d)", error, status); |
|
|
728 | } |
|
|
729 | #else |
|
|
730 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
|
|
731 | #endif |
|
|
732 | } |
|
|
733 | OUTPUT: |
|
|
734 | RETVAL |
|
|
735 | |
|
|
736 | GdkPixbuf_noinc * |
392 | load_jpeg (SV *path, int thumbnail = 0, int iw = 0, int ih = 0) |
737 | decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
393 | CODE: |
738 | CODE: |
394 | { |
739 | { |
395 | struct jpeg_decompress_struct cinfo; |
740 | struct jpeg_decompress_struct cinfo; |
396 | struct jpg_err_mgr jerr; |
741 | struct jpg_err_mgr jerr; |
397 | guchar *data; |
|
|
398 | int rs; |
742 | int rs; |
399 | FILE *fp; |
|
|
400 | volatile GdkPixbuf *pb = 0; |
743 | volatile GdkPixbuf *pb = 0; |
|
|
744 | STRLEN data_len; |
|
|
745 | guchar *data = SvPVbyte (image_data, data_len); |
401 | |
746 | |
402 | RETVAL = 0; |
747 | RETVAL = 0; |
403 | |
|
|
404 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
|
|
405 | |
|
|
406 | if (!fp) |
|
|
407 | XSRETURN_UNDEF; |
|
|
408 | |
748 | |
409 | perlinterp_release (); |
749 | perlinterp_release (); |
410 | |
750 | |
411 | cinfo.err = jpeg_std_error (&jerr.err); |
751 | cinfo.err = jpeg_std_error (&jerr.err); |
412 | |
752 | |
413 | jerr.err.error_exit = cv_error_exit; |
753 | jerr.err.error_exit = cv_error_exit; |
414 | jerr.err.output_message = cv_error_output; |
754 | jerr.err.output_message = cv_error_output; |
415 | |
755 | |
416 | if ((rs = setjmp (jerr.setjmp_buffer))) |
756 | if ((rs = setjmp (jerr.setjmp_buffer))) |
417 | { |
757 | { |
418 | fclose (fp); |
|
|
419 | jpeg_destroy_decompress (&cinfo); |
758 | jpeg_destroy_decompress (&cinfo); |
420 | |
759 | |
421 | if (pb) |
760 | if (pb) |
422 | g_object_unref ((gpointer)pb); |
761 | g_object_unref ((gpointer)pb); |
423 | |
762 | |
424 | perlinterp_acquire (); |
763 | perlinterp_acquire (); |
425 | XSRETURN_UNDEF; |
764 | XSRETURN_UNDEF; |
426 | } |
765 | } |
427 | |
766 | |
|
|
767 | if (!data_len) |
|
|
768 | longjmp (jerr.setjmp_buffer, 4); |
|
|
769 | |
428 | jpeg_create_decompress (&cinfo); |
770 | jpeg_create_decompress (&cinfo); |
|
|
771 | cv_jpeg_mem_src (&cinfo, data, data_len); |
429 | |
772 | |
430 | jpeg_stdio_src (&cinfo, fp); |
|
|
431 | jpeg_read_header (&cinfo, TRUE); |
773 | jpeg_read_header (&cinfo, TRUE); |
432 | |
774 | |
433 | cinfo.dct_method = JDCT_DEFAULT; |
775 | cinfo.dct_method = JDCT_DEFAULT; |
434 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
776 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
435 | cinfo.do_block_smoothing = FALSE; |
777 | cinfo.do_block_smoothing = FALSE; |
… | |
… | |
514 | data += 4; |
856 | data += 4; |
515 | } |
857 | } |
516 | } |
858 | } |
517 | |
859 | |
518 | jpeg_finish_decompress (&cinfo); |
860 | jpeg_finish_decompress (&cinfo); |
519 | fclose (fp); |
|
|
520 | jpeg_destroy_decompress (&cinfo); |
861 | jpeg_destroy_decompress (&cinfo); |
521 | perlinterp_acquire (); |
862 | perlinterp_acquire (); |
522 | } |
863 | } |
523 | OUTPUT: |
864 | OUTPUT: |
524 | RETVAL |
865 | RETVAL |
… | |
… | |
583 | CODE: |
924 | CODE: |
584 | { |
925 | { |
585 | STRLEN plen; |
926 | STRLEN plen; |
586 | U8 *path = (U8 *)SvPV (pathsv, plen); |
927 | U8 *path = (U8 *)SvPV (pathsv, plen); |
587 | U8 *pend = path + plen; |
928 | U8 *pend = path + plen; |
588 | U8 dst [plen * 6 * 3], *dstp = dst; |
929 | U8 dst [plen * 8 * 3], *dstp = dst; |
589 | |
930 | |
590 | while (path < pend) |
931 | while (path < pend) |
591 | { |
932 | { |
592 | U8 ch = *path; |
933 | U8 ch = *path; |
593 | |
934 | |
… | |
… | |
595 | *dstp++ = *path++; |
936 | *dstp++ = *path++; |
596 | else if (ch >= 'A' && ch <= 'Z') |
937 | else if (ch >= 'A' && ch <= 'Z') |
597 | *dstp++ = *path++ + ('a' - 'A'); |
938 | *dstp++ = *path++ + ('a' - 'A'); |
598 | else if (ch >= '0' && ch <= '9') |
939 | else if (ch >= '0' && ch <= '9') |
599 | { |
940 | { |
|
|
941 | /* version sort, up to 8 digits */ |
600 | STRLEN el, nl = 0; |
942 | STRLEN el, nl = 0; |
601 | while (*path >= '0' && *path <= '9' && path < pend) |
943 | while (*path >= '0' && *path <= '9' && path < pend) |
602 | path++, nl++; |
944 | path++, nl++; |
603 | |
945 | |
604 | for (el = nl; el < 6; el++) |
946 | for (el = nl; el < 8; el++) |
605 | *dstp++ = '0'; |
947 | *dstp++ = '0'; |
606 | |
948 | |
607 | memcpy (dstp, path - nl, nl); |
949 | memcpy (dstp, path - nl, nl); |
608 | dstp += nl; |
950 | dstp += nl; |
609 | } |
951 | } |