1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
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5 | #include <string.h> |
5 | #include <setjmp.h> |
6 | #include <setjmp.h> |
6 | |
7 | |
7 | #include <jpeglib.h> |
8 | #include <jpeglib.h> |
8 | #include <gdk-pixbuf/gdk-pixbuf.h> |
9 | #include <gdk-pixbuf/gdk-pixbuf.h> |
9 | |
10 | |
… | |
… | |
224 | { |
225 | { |
225 | cinfo.dct_method = JDCT_FASTEST; |
226 | cinfo.dct_method = JDCT_FASTEST; |
226 | cinfo.do_fancy_upsampling = FALSE; |
227 | cinfo.do_fancy_upsampling = FALSE; |
227 | |
228 | |
228 | while (cinfo.scale_denom < 8 |
229 | while (cinfo.scale_denom < 8 |
229 | && (cinfo.output_width >> 1) >= IW |
230 | && cinfo.output_width >= IW*4 |
230 | && (cinfo.output_height >> 1) >= IH) |
231 | && cinfo.output_height >= IH*4) |
231 | { |
232 | { |
232 | cinfo.scale_denom <<= 1; |
233 | cinfo.scale_denom <<= 1; |
233 | jpeg_calc_output_dimensions (&cinfo); |
234 | jpeg_calc_output_dimensions (&cinfo); |
234 | } |
235 | } |
235 | } |
236 | } |
… | |
… | |
268 | |
269 | |
269 | ############################################################################# |
270 | ############################################################################# |
270 | |
271 | |
271 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
272 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
272 | |
273 | |
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274 | SV * |
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275 | foldcase (SV *pathsv) |
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276 | PROTOTYPE: $ |
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277 | CODE: |
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278 | { |
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279 | STRLEN plen; |
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280 | U8 *path = SvPVutf8 (pathsv, plen); |
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281 | U8 *pend = path + plen; |
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282 | U8 dst [plen * 6 * 3], *dstp = dst; |
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283 | |
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284 | while (path < pend) |
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285 | { |
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286 | U8 ch = *path; |
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287 | |
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288 | if (ch >= 'a' && ch <= 'z') |
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289 | *dstp++ = *path++; |
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290 | else if (ch >= '0' && ch <= '9') |
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291 | { |
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292 | STRLEN el, nl = 0; |
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293 | while (*path >= '0' && *path <= '9' && path < pend) |
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294 | path++, nl++; |
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295 | |
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296 | for (el = nl; el < 6; el++) |
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297 | *dstp++ = '0'; |
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298 | |
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299 | memcpy (dstp, path - nl, nl); |
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300 | dstp += nl; |
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301 | } |
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302 | else |
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303 | { |
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304 | STRLEN cl; |
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305 | to_utf8_fold (path, dstp, &cl); |
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306 | dstp += cl; |
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307 | path += is_utf8_char (path); |
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308 | } |
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309 | } |
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310 | |
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311 | RETVAL = newSVpvn (dst, dstp - dst); |
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312 | } |
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313 | OUTPUT: |
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314 | RETVAL |
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315 | |
273 | GdkPixbuf_noinc * |
316 | GdkPixbuf_noinc * |
274 | p7_to_pb (int w, int h, guchar *src) |
317 | p7_to_pb (int w, int h, guchar *src) |
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318 | PROTOTYPE: @ |
275 | CODE: |
319 | CODE: |
276 | { |
320 | { |
277 | int x, y; |
321 | int x, y; |
278 | guchar *dst, *d; |
322 | guchar *dst, *d; |
279 | int dstr; |
323 | int dstr; |
… | |
… | |
351 | } |
395 | } |
352 | } |
396 | } |
353 | OUTPUT: |
397 | OUTPUT: |
354 | RETVAL |
398 | RETVAL |
355 | |
399 | |
356 | SV * |
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357 | make_histogram (SV *ar) |
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358 | CODE: |
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359 | { |
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360 | int i; |
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361 | AV *av, *result; |
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362 | |
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363 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
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364 | croak ("Not an array ref as first argument to make_histogram"); |
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365 | |
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366 | av = (AV *) SvRV (ar); |
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367 | result = newAV (); |
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368 | |
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369 | for (i = 0; i <= av_len (av); ++i) |
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370 | { |
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371 | const int HISTSIZE = 64; |
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372 | |
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373 | int j; |
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374 | SV *sv = *av_fetch (av, i, 1); |
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375 | STRLEN len; |
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376 | char *buf = SvPVbyte (sv, len); |
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377 | |
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378 | int tmphist[HISTSIZE]; |
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379 | float *hist; |
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380 | |
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381 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
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382 | SvPOK_on (histsv); |
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383 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
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384 | hist = (float *)SvPVX (histsv); |
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385 | |
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386 | Zero (tmphist, sizeof (tmphist), char); |
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387 | |
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388 | for (j = len; j--; ) |
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389 | { |
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390 | unsigned int idx |
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391 | = ((*buf & 0xc0) >> 2) |
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392 | | ((*buf & 0x18) >> 1) |
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393 | | (*buf & 0x03); |
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394 | |
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395 | ++tmphist[idx]; |
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396 | ++buf; |
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397 | } |
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398 | |
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399 | for (j = 0; j < HISTSIZE; ++j) |
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400 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
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401 | |
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402 | av_push (result, histsv); |
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403 | } |
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404 | |
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405 | RETVAL = newRV_noinc ((SV *)result); |
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406 | } |
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407 | OUTPUT: |
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408 | RETVAL |
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409 | |
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410 | ############################################################################# |
400 | ############################################################################# |
411 | |
401 | |
412 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
402 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
413 | |
403 | |
414 | void |
404 | void |
… | |
… | |
537 | } |
527 | } |
538 | } |
528 | } |
539 | OUTPUT: |
529 | OUTPUT: |
540 | RETVAL |
530 | RETVAL |
541 | |
531 | |
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532 | ############################################################################# |
542 | |
533 | |
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534 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
543 | |
535 | |
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536 | SV * |
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537 | make_histograms (SV *ar) |
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538 | CODE: |
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539 | { |
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540 | int i; |
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541 | AV *av, *result; |
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542 | |
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543 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
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544 | croak ("Not an array ref as first argument to make_histogram"); |
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545 | |
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546 | av = (AV *) SvRV (ar); |
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547 | result = newAV (); |
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548 | |
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549 | for (i = 0; i <= av_len (av); ++i) |
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550 | { |
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551 | const int HISTSIZE = 64; |
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552 | |
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553 | int j; |
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554 | SV *sv = *av_fetch (av, i, 1); |
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555 | STRLEN len; |
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556 | char *buf = SvPVbyte (sv, len); |
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557 | |
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558 | int tmphist[HISTSIZE]; |
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559 | float *hist; |
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560 | |
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561 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
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562 | SvPOK_on (histsv); |
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563 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
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564 | hist = (float *)SvPVX (histsv); |
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565 | |
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566 | Zero (tmphist, sizeof (tmphist), char); |
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567 | |
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568 | for (j = len; j--; ) |
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569 | { |
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570 | unsigned int idx |
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571 | = ((*buf & 0xc0) >> 2) |
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572 | | ((*buf & 0x18) >> 1) |
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573 | | (*buf & 0x03); |
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574 | |
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575 | ++tmphist[idx]; |
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576 | ++buf; |
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577 | } |
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578 | |
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579 | for (j = 0; j < HISTSIZE; ++j) |
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580 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
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581 | |
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582 | av_push (result, histsv); |
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583 | } |
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584 | |
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585 | RETVAL = newRV_noinc ((SV *)result); |
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586 | } |
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587 | OUTPUT: |
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588 | RETVAL |
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589 | |
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590 | |