| … | |
… | |
| 97 | } |
97 | } |
| 98 | } |
98 | } |
| 99 | |
99 | |
| 100 | ///////////////////////////////////////////////////////////////////////////// |
100 | ///////////////////////////////////////////////////////////////////////////// |
| 101 | |
101 | |
| 102 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::ImageWindow |
102 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
| 103 | |
103 | |
| 104 | PROTOTYPES: ENABLE |
104 | PROTOTYPES: ENABLE |
| 105 | |
105 | |
| 106 | GdkPixbuf_noinc * |
106 | GdkPixbuf_noinc * |
| 107 | transpose (GdkPixbuf *pb) |
107 | transpose (GdkPixbuf *pb) |
| … | |
… | |
| 235 | } |
235 | } |
| 236 | } |
236 | } |
| 237 | } |
237 | } |
| 238 | OUTPUT: |
238 | OUTPUT: |
| 239 | RETVAL |
239 | RETVAL |
|
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240 | |
|
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241 | SV * |
|
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242 | make_histogram (SV *ar) |
|
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243 | CODE: |
|
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244 | { |
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245 | int i; |
|
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246 | AV *av, *result; |
|
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247 | |
|
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248 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
|
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249 | croak ("Not an array ref as first argument to make_histogram"); |
|
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250 | |
|
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251 | av = (AV *) SvRV (ar); |
|
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252 | result = newAV (); |
|
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253 | |
|
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254 | for (i = 0; i <= av_len (av); ++i) |
|
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255 | { |
|
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256 | int bigst, j; |
|
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257 | SV *sv = *av_fetch (av, i, 1); |
|
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258 | STRLEN len; |
|
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259 | char *buf = SvPVbyte (sv, len); |
|
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260 | |
|
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261 | int tmphist[256]; |
|
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262 | char *hist; |
|
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263 | |
|
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264 | SV *histsv = newSV (257); |
|
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265 | sv_upgrade (histsv, SVt_PV); |
|
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266 | SvCUR_set (histsv, 256); |
|
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267 | hist = SvPV_nolen (histsv); |
|
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268 | |
|
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269 | Zero (tmphist, 256, int); |
|
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270 | |
|
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271 | while (len--) |
|
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272 | ++tmphist[(unsigned char)*buf++]; |
|
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273 | |
|
|
274 | bigst = 1; |
|
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275 | for (j = 0; j < 256; ++j) |
|
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276 | if (tmphist[j] > bigst) |
|
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277 | bigst = tmphist[j]; |
|
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278 | |
|
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279 | for (j = 0; j < 256; ++j) |
|
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280 | hist[j] = tmphist[j] * 255 / bigst; |
|
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281 | |
|
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282 | av_push (result, histsv); |
|
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283 | } |
|
|
284 | |
|
|
285 | RETVAL = newRV_noinc ((SV *)result); |
|
|
286 | } |
|
|
287 | OUTPUT: |
|
|
288 | RETVAL |
|
|
289 | |
|
|
290 | |
| 240 | |
291 | |
| 241 | ############################################################################# |
292 | ############################################################################# |
| 242 | |
293 | |
| 243 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
294 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
| 244 | |
295 | |
| … | |
… | |
| 345 | } |
396 | } |
| 346 | } |
397 | } |
| 347 | OUTPUT: |
398 | OUTPUT: |
| 348 | RETVAL |
399 | RETVAL |
| 349 | |
400 | |
|
|
401 | SV * |
|
|
402 | hv84_to_av (unsigned char *hv84) |
|
|
403 | CODE: |
|
|
404 | { |
|
|
405 | int i = 72 / 3; |
|
|
406 | AV *av = newAV (); |
| 350 | |
407 | |
|
|
408 | RETVAL = (SV *)newRV_noinc ((SV *)av); |
|
|
409 | while (i--) |
|
|
410 | { |
|
|
411 | int h = *hv84++; |
|
|
412 | int v1 = *hv84++; |
|
|
413 | int v2 = *hv84++; |
| 351 | |
414 | |
|
|
415 | av_push (av, newSViv (v1)); |
|
|
416 | av_push (av, newSViv ((h >> 4) * 255 / 15)); |
|
|
417 | av_push (av, newSViv (v2)); |
|
|
418 | av_push (av, newSViv ((h & 15) * 255 / 15)); |
|
|
419 | } |
|
|
420 | } |
|
|
421 | OUTPUT: |
|
|
422 | RETVAL |
| 352 | |
423 | |
|
|
424 | |
|
|
425 | |
