… | |
… | |
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 | |
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19 | #include <assert.h> |
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20 | |
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21 | #include "perlmulticore.h" |
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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" |
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31 | |
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32 | typedef char *octet_string; |
27 | |
33 | |
28 | struct jpg_err_mgr |
34 | struct 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; |
… | |
… | |
68 | |
74 | |
69 | *h &= 255; |
75 | *h &= 255; |
70 | } |
76 | } |
71 | } |
77 | } |
72 | |
78 | |
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79 | struct feature { |
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80 | float v1, v2, v3; // mean, square, cube |
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81 | int n; |
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82 | }; |
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83 | |
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84 | static void |
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85 | feature_init (struct feature *f) |
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86 | { |
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87 | f->v1 = 0.; |
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88 | f->v2 = 0.; |
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89 | f->v3 = 0.; |
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90 | f->n = 0; |
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91 | } |
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92 | |
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93 | // didn't find an algorithm to neatly do mean, variance and skew in one pass. |
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94 | // elmex ist schuld. |
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95 | static void |
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96 | feature_update_pass_1 (struct feature *f, unsigned int v) |
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97 | { |
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98 | f->v1 += v; |
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99 | f->n += 1; |
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100 | } |
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101 | |
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102 | static void |
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103 | feature_finish_pass_1 (struct feature *f) |
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104 | { |
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105 | if (f->n < 1) |
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106 | return; |
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107 | |
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108 | f->v1 /= f->n; |
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109 | } |
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110 | |
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111 | static void |
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112 | feature_update_pass_2 (struct feature *f, unsigned int v) |
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113 | { |
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114 | float d = v - f->v1; |
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115 | |
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116 | f->v2 += d * d; |
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117 | f->v3 += d * d * d; |
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118 | } |
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119 | |
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120 | static void |
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121 | feature_finish_pass_2 (struct feature *f) |
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122 | { |
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123 | if (f->n < 1) |
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124 | return; |
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125 | |
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126 | f->v2 /= f->n; |
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127 | f->v3 /= f->n; |
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128 | |
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129 | f->v1 /= 255.; |
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130 | f->v2 /= 255. * 255.; f->v2 = sqrtf (f->v2); |
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131 | f->v3 /= 255. * 255. * 255.; f->v3 = powf (fabsf (f->v3), 1./3.); |
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132 | } |
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133 | |
73 | static guint32 a85_val; |
134 | static guint32 a85_val; |
74 | static guint a85_cnt; |
135 | static guint a85_cnt; |
75 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
136 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
76 | |
137 | |
77 | static void |
138 | static void |
… | |
… | |
147 | |
208 | |
148 | OUTPUT: |
209 | OUTPUT: |
149 | RETVAL |
210 | RETVAL |
150 | |
211 | |
151 | const char * |
212 | const char * |
152 | magic (const char *path) |
213 | magic (octet_string path) |
153 | CODE: |
214 | CODE: |
154 | { |
215 | { |
155 | static magic_t cookie; |
216 | static magic_t cookie; |
156 | |
217 | |
157 | if (!cookie) |
218 | if (!cookie) |
158 | { |
219 | { |
159 | cookie = magic_open (MAGIC_NONE); |
220 | cookie = magic_open (MAGIC_SYMLINK); |
160 | |
221 | |
161 | if (cookie) |
222 | if (cookie) |
162 | magic_load (cookie, 0); |
223 | magic_load (cookie, 0); |
163 | else |
224 | else |
164 | XSRETURN_UNDEF; |
225 | XSRETURN_UNDEF; |
… | |
… | |
168 | } |
229 | } |
169 | OUTPUT: |
230 | OUTPUT: |
170 | RETVAL |
231 | RETVAL |
171 | |
232 | |
172 | const char * |
233 | const char * |
173 | magic_mime (const char *path) |
234 | magic_mime (octet_string path) |
174 | CODE: |
235 | CODE: |
175 | { |
236 | { |
176 | static magic_t cookie; |
237 | static magic_t cookie; |
177 | |
238 | |
178 | if (!cookie) |
239 | if (!cookie) |
179 | { |
240 | { |
180 | cookie = magic_open (MAGIC_MIME); |
241 | cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK); |
181 | |
242 | |
182 | if (cookie) |
243 | if (cookie) |
183 | magic_load (cookie, 0); |
244 | magic_load (cookie, 0); |
184 | else |
245 | else |
185 | XSRETURN_UNDEF; |
246 | XSRETURN_UNDEF; |
186 | } |
247 | } |
187 | |
248 | |
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249 | perlinterp_release (); |
188 | RETVAL = magic_file (cookie, path); |
250 | RETVAL = magic_file (cookie, path); |
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251 | perlinterp_acquire (); |
189 | } |
252 | } |
190 | OUTPUT: |
253 | OUTPUT: |
191 | RETVAL |
254 | RETVAL |
192 | |
255 | |
193 | # missing in Gtk2 perl module |
256 | # missing/broken in Gtk2 perl module |
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257 | |
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258 | void |
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259 | gdk_window_clear_hints (GdkWindow *window) |
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260 | CODE: |
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261 | gdk_window_set_geometry_hints (window, 0, 0); |
194 | |
262 | |
195 | gboolean |
263 | gboolean |
196 | gdk_net_wm_supports (GdkAtom property) |
264 | gdk_net_wm_supports (GdkAtom property) |
197 | CODE: |
265 | CODE: |
198 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
266 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
… | |
… | |
204 | RETVAL |
272 | RETVAL |
205 | |
273 | |
206 | GdkPixbuf_noinc * |
274 | GdkPixbuf_noinc * |
207 | dealpha_expose (GdkPixbuf *pb) |
275 | dealpha_expose (GdkPixbuf *pb) |
208 | CODE: |
276 | CODE: |
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277 | perlinterp_release (); |
209 | { |
278 | { |
210 | int w = gdk_pixbuf_get_width (pb); |
279 | int w = gdk_pixbuf_get_width (pb); |
211 | int h = gdk_pixbuf_get_height (pb); |
280 | int h = gdk_pixbuf_get_height (pb); |
212 | int bpp = gdk_pixbuf_get_n_channels (pb); |
281 | int bpp = gdk_pixbuf_get_n_channels (pb); |
213 | int x, y, i; |
282 | int x, y, i; |
… | |
… | |
222 | for (x = 0; x < w; x++) |
291 | for (x = 0; x < w; x++) |
223 | for (y = 0; y < h; y++) |
292 | for (y = 0; y < h; y++) |
224 | for (i = 0; i < 3; i++) |
293 | for (i = 0; i < 3; i++) |
225 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
294 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
226 | } |
295 | } |
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296 | perlinterp_acquire (); |
227 | OUTPUT: |
297 | OUTPUT: |
228 | RETVAL |
298 | RETVAL |
229 | |
299 | |
230 | GdkPixbuf_noinc * |
300 | GdkPixbuf_noinc * |
231 | rotate (GdkPixbuf *pb, int angle) |
301 | rotate (GdkPixbuf *pb, int angle) |
232 | CODE: |
302 | CODE: |
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303 | perlinterp_release (); |
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304 | if (angle < 0) |
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305 | angle += 360; |
233 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
306 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
234 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
307 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
235 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
308 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
236 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
309 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
237 | : angle); |
310 | : angle); |
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311 | perlinterp_acquire (); |
238 | OUTPUT: |
312 | OUTPUT: |
239 | RETVAL |
313 | RETVAL |
240 | |
314 | |
241 | GdkPixbuf_noinc * |
315 | GdkPixbuf_noinc * |
242 | load_jpeg (SV *path, int thumbnail=0) |
316 | load_jpeg (SV *path, int thumbnail=0) |
… | |
… | |
254 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
328 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
255 | |
329 | |
256 | if (!fp) |
330 | if (!fp) |
257 | XSRETURN_UNDEF; |
331 | XSRETURN_UNDEF; |
258 | |
332 | |
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333 | perlinterp_release (); |
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334 | |
259 | cinfo.err = jpeg_std_error (&jerr.err); |
335 | cinfo.err = jpeg_std_error (&jerr.err); |
260 | |
336 | |
261 | jerr.err.error_exit = cv_error_exit; |
337 | jerr.err.error_exit = cv_error_exit; |
262 | jerr.err.output_message = cv_error_output; |
338 | jerr.err.output_message = cv_error_output; |
263 | |
339 | |
… | |
… | |
267 | jpeg_destroy_decompress (&cinfo); |
343 | jpeg_destroy_decompress (&cinfo); |
268 | |
344 | |
269 | if (pb) |
345 | if (pb) |
270 | g_object_unref ((gpointer)pb); |
346 | g_object_unref ((gpointer)pb); |
271 | |
347 | |
|
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348 | perlinterp_acquire (); |
272 | XSRETURN_UNDEF; |
349 | XSRETURN_UNDEF; |
273 | } |
350 | } |
274 | |
351 | |
275 | jpeg_create_decompress (&cinfo); |
352 | jpeg_create_decompress (&cinfo); |
276 | |
353 | |
… | |
… | |
328 | } |
405 | } |
329 | |
406 | |
330 | jpeg_finish_decompress (&cinfo); |
407 | jpeg_finish_decompress (&cinfo); |
331 | fclose (fp); |
408 | fclose (fp); |
332 | jpeg_destroy_decompress (&cinfo); |
409 | jpeg_destroy_decompress (&cinfo); |
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410 | perlinterp_acquire (); |
333 | } |
411 | } |
334 | OUTPUT: |
412 | OUTPUT: |
335 | RETVAL |
413 | RETVAL |
336 | |
414 | |
337 | void |
415 | void |
338 | compare (GdkPixbuf *a, GdkPixbuf *b) |
416 | compare (GdkPixbuf *a, GdkPixbuf *b) |
339 | PPCODE: |
417 | PPCODE: |
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418 | perlinterp_release (); |
340 | { |
419 | { |
341 | int w = gdk_pixbuf_get_width (a); |
420 | int w = gdk_pixbuf_get_width (a); |
342 | int h = gdk_pixbuf_get_height (a); |
421 | int h = gdk_pixbuf_get_height (a); |
|
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422 | |
343 | int sa = gdk_pixbuf_get_rowstride (a); |
423 | int sa = gdk_pixbuf_get_rowstride (a); |
344 | int sb = gdk_pixbuf_get_rowstride (b); |
424 | int sb = gdk_pixbuf_get_rowstride (b); |
345 | |
425 | |
346 | guchar *pa = gdk_pixbuf_get_pixels (a); |
426 | guchar *pa = gdk_pixbuf_get_pixels (a); |
347 | guchar *pb = gdk_pixbuf_get_pixels (b); |
427 | guchar *pb = gdk_pixbuf_get_pixels (b); |
… | |
… | |
355 | assert (gdk_pixbuf_get_n_channels (b) == 3); |
435 | assert (gdk_pixbuf_get_n_channels (b) == 3); |
356 | |
436 | |
357 | double diff = 0.; |
437 | double diff = 0.; |
358 | int peak = 0; |
438 | int peak = 0; |
359 | |
439 | |
|
|
440 | if (w && h) |
360 | for (y = 0; y < h; y++) |
441 | for (y = 0; y < h; y++) |
361 | { |
442 | { |
362 | guchar *pa_ = pa + y * sa; |
443 | guchar *pa_ = pa + y * sa; |
363 | guchar *pb_ = pb + y * sb; |
444 | guchar *pb_ = pb + y * sb; |
364 | |
445 | |
365 | for (x = 0; x < w; x ++) |
446 | for (x = 0; x < w; x++) |
366 | { |
447 | { |
367 | int d; |
448 | int d; |
368 | |
449 | |
369 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
450 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
370 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
451 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
371 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
452 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
372 | } |
453 | } |
373 | } |
454 | } |
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455 | |
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456 | perlinterp_acquire (); |
374 | |
457 | |
375 | EXTEND (SP, 2); |
458 | EXTEND (SP, 2); |
376 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
459 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
377 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
460 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
378 | } |
461 | } |
379 | |
462 | |
380 | ############################################################################# |
463 | ############################################################################# |
381 | |
464 | |
382 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
465 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
383 | |
466 | |
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467 | # currently only works for filenames (octet strings) |
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468 | |
384 | SV * |
469 | SV * |
385 | foldcase (SV *pathsv) |
470 | foldcase (SV *pathsv) |
386 | PROTOTYPE: $ |
471 | PROTOTYPE: $ |
387 | CODE: |
472 | CODE: |
388 | { |
473 | { |
389 | STRLEN plen; |
474 | STRLEN plen; |
390 | U8 *path = (U8 *)SvPVutf8 (pathsv, plen); |
475 | U8 *path = (U8 *)SvPV (pathsv, plen); |
391 | U8 *pend = path + plen; |
476 | U8 *pend = path + plen; |
392 | U8 dst [plen * 6 * 3], *dstp = dst; |
477 | U8 dst [plen * 6 * 3], *dstp = dst; |
393 | |
478 | |
394 | while (path < pend) |
479 | while (path < pend) |
395 | { |
480 | { |
396 | U8 ch = *path; |
481 | U8 ch = *path; |
397 | |
482 | |
398 | if (ch >= 'a' && ch <= 'z') |
483 | if (ch >= 'a' && ch <= 'z') |
399 | *dstp++ = *path++; |
484 | *dstp++ = *path++; |
|
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485 | else if (ch >= 'A' && ch <= 'Z') |
|
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486 | *dstp++ = *path++ + ('a' - 'A'); |
400 | else if (ch >= '0' && ch <= '9') |
487 | else if (ch >= '0' && ch <= '9') |
401 | { |
488 | { |
402 | STRLEN el, nl = 0; |
489 | STRLEN el, nl = 0; |
403 | while (*path >= '0' && *path <= '9' && path < pend) |
490 | while (*path >= '0' && *path <= '9' && path < pend) |
404 | path++, nl++; |
491 | path++, nl++; |
… | |
… | |
407 | *dstp++ = '0'; |
494 | *dstp++ = '0'; |
408 | |
495 | |
409 | memcpy (dstp, path - nl, nl); |
496 | memcpy (dstp, path - nl, nl); |
410 | dstp += nl; |
497 | dstp += nl; |
411 | } |
498 | } |
|
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499 | else |
|
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500 | *dstp++ = *path++; |
|
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501 | #if 0 |
412 | else |
502 | else |
413 | { |
503 | { |
414 | STRLEN cl; |
504 | STRLEN cl; |
415 | to_utf8_fold (path, dstp, &cl); |
505 | to_utf8_fold (path, dstp, &cl); |
416 | dstp += cl; |
506 | dstp += cl; |
417 | path += is_utf8_char (path); |
507 | path += is_utf8_char (path); |
418 | } |
508 | } |
|
|
509 | #endif |
419 | } |
510 | } |
420 | |
511 | |
421 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
512 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
422 | } |
513 | } |
423 | OUTPUT: |
514 | OUTPUT: |
… | |
… | |
585 | ############################################################################# |
676 | ############################################################################# |
586 | |
677 | |
587 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
678 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
588 | |
679 | |
589 | SV * |
680 | SV * |
590 | make_histograms (SV *ar) |
681 | extract_features (SV *ar) |
591 | CODE: |
682 | CODE: |
592 | { |
683 | { |
593 | int i; |
684 | int i; |
594 | AV *av, *result; |
685 | AV *av, *result; |
595 | |
686 | |
596 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
687 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
597 | croak ("Not an array ref as first argument to make_histogram"); |
688 | croak ("Not an array ref as first argument to extract_features"); |
598 | |
689 | |
599 | av = (AV *) SvRV (ar); |
690 | av = (AV *) SvRV (ar); |
600 | result = newAV (); |
691 | result = newAV (); |
601 | |
692 | |
602 | for (i = 0; i <= av_len (av); ++i) |
693 | for (i = 0; i <= av_len (av); ++i) |
603 | { |
694 | { |
604 | const int HISTSIZE = 64; |
|
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605 | |
|
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606 | int j; |
|
|
607 | SV *sv = *av_fetch (av, i, 1); |
695 | SV *sv = *av_fetch (av, i, 1); |
608 | STRLEN len; |
|
|
609 | char *buf = SvPVbyte (sv, len); |
|
|
610 | |
|
|
611 | int tmphist[HISTSIZE]; |
|
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612 | float *hist; |
|
|
613 | |
|
|
614 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
696 | SV *histsv = newSV (9 * sizeof (float) + 1); |
|
|
697 | |
615 | SvPOK_on (histsv); |
698 | SvPOK_on (histsv); |
616 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
699 | SvCUR_set (histsv, 9 * sizeof (float)); |
617 | hist = (float *)SvPVX (histsv); |
700 | float *hist = (float *)SvPVX (histsv); |
618 | |
701 | |
619 | Zero (tmphist, sizeof (tmphist), char); |
702 | struct feature f_h, f_s, f_v; |
|
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703 | feature_init (&f_h); |
|
|
704 | feature_init (&f_s); |
|
|
705 | feature_init (&f_v); |
620 | |
706 | |
621 | for (j = len; j--; ) |
|
|
622 | { |
|
|
623 | unsigned int idx |
|
|
624 | = ((*buf & 0xc0) >> 2) |
|
|
625 | | ((*buf & 0x18) >> 1) |
|
|
626 | | (*buf & 0x03); |
|
|
627 | |
|
|
628 | ++tmphist[idx]; |
|
|
629 | ++buf; |
|
|
630 | } |
|
|
631 | |
707 | { |
632 | for (j = 0; j < HISTSIZE; ++j) |
708 | STRLEN len; |
633 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
709 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
710 | while (len >= 3) |
|
|
711 | { |
|
|
712 | unsigned int r, g, b, h, s, v; |
|
|
713 | r = *buf++; g = *buf++; b = *buf++; |
|
|
714 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
715 | |
|
|
716 | feature_update_pass_1 (&f_h, h); |
|
|
717 | feature_update_pass_1 (&f_s, s); |
|
|
718 | feature_update_pass_1 (&f_v, v); |
|
|
719 | |
|
|
720 | len -= 3; |
|
|
721 | } |
|
|
722 | |
|
|
723 | feature_finish_pass_1 (&f_h); |
|
|
724 | feature_finish_pass_1 (&f_s); |
|
|
725 | feature_finish_pass_1 (&f_v); |
|
|
726 | } |
|
|
727 | |
|
|
728 | { |
|
|
729 | STRLEN len; |
|
|
730 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
731 | while (len >= 3) |
|
|
732 | { |
|
|
733 | unsigned int r, g, b, h, s, v; |
|
|
734 | r = *buf++; g = *buf++; b = *buf++; |
|
|
735 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
736 | |
|
|
737 | feature_update_pass_2 (&f_h, h); |
|
|
738 | feature_update_pass_2 (&f_s, s); |
|
|
739 | feature_update_pass_2 (&f_v, v); |
|
|
740 | |
|
|
741 | len -= 3; |
|
|
742 | } |
|
|
743 | |
|
|
744 | feature_finish_pass_2 (&f_h); |
|
|
745 | feature_finish_pass_2 (&f_s); |
|
|
746 | feature_finish_pass_2 (&f_v); |
|
|
747 | } |
|
|
748 | |
|
|
749 | hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.; |
|
|
750 | hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ; |
|
|
751 | hist [6] = f_v.v1 * .5; hist [7] = f_v.v2 * .5; hist [8] = f_v.v3 * .5; |
634 | |
752 | |
635 | av_push (result, histsv); |
753 | av_push (result, histsv); |
636 | } |
754 | } |
637 | |
755 | |
638 | RETVAL = newRV_noinc ((SV *)result); |
756 | RETVAL = newRV_noinc ((SV *)result); |
639 | } |
757 | } |
640 | OUTPUT: |
758 | OUTPUT: |
641 | RETVAL |
759 | RETVAL |
642 | |
760 | |
643 | |
|
|