… | |
… | |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | #include <string.h> |
5 | #include <string.h> |
6 | #include <setjmp.h> |
6 | #include <setjmp.h> |
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7 | #include <math.h> |
7 | |
8 | |
8 | #include <magic.h> |
9 | #include <magic.h> |
9 | |
10 | |
10 | #include <jpeglib.h> |
11 | #include <jpeglib.h> |
11 | #include <glib.h> |
12 | #include <glib.h> |
… | |
… | |
13 | #include <gdk-pixbuf/gdk-pixbuf.h> |
14 | #include <gdk-pixbuf/gdk-pixbuf.h> |
14 | |
15 | |
15 | #include <gperl.h> |
16 | #include <gperl.h> |
16 | #include <gtk2perl.h> |
17 | #include <gtk2perl.h> |
17 | |
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 | |
18 | #define IW 80 /* MUST match Schnauer.pm! */ |
23 | #define IW 80 /* MUST match Schnauzer.pm! */ |
19 | #define IH 60 /* MUST match Schnauer.pm! */ |
24 | #define IH 60 /* MUST match Schnauzer.pm! */ |
20 | |
25 | |
21 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
26 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
22 | |
27 | |
23 | #define LINELENGTH 240 |
28 | #define LINELENGTH 240 |
24 | |
29 | |
25 | #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; |
26 | |
33 | |
27 | struct jpg_err_mgr |
34 | struct jpg_err_mgr |
28 | { |
35 | { |
29 | struct jpeg_error_mgr err; |
36 | struct jpeg_error_mgr err; |
30 | jmp_buf setjmp_buffer; |
37 | jmp_buf setjmp_buffer; |
… | |
… | |
67 | |
74 | |
68 | *h &= 255; |
75 | *h &= 255; |
69 | } |
76 | } |
70 | } |
77 | } |
71 | |
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 | |
72 | static guint32 a85_val; |
134 | static guint32 a85_val; |
73 | static guint a85_cnt; |
135 | static guint a85_cnt; |
74 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
136 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
75 | |
137 | |
76 | static void |
138 | static void |
… | |
… | |
146 | |
208 | |
147 | OUTPUT: |
209 | OUTPUT: |
148 | RETVAL |
210 | RETVAL |
149 | |
211 | |
150 | const char * |
212 | const char * |
151 | magic (const char *path) |
213 | magic (octet_string path) |
152 | CODE: |
214 | CODE: |
153 | { |
215 | { |
154 | static magic_t cookie; |
216 | static magic_t cookie; |
155 | |
217 | |
156 | if (!cookie) |
218 | if (!cookie) |
157 | { |
219 | { |
158 | cookie = magic_open (MAGIC_MIME); |
220 | cookie = magic_open (MAGIC_SYMLINK); |
159 | |
221 | |
160 | if (cookie) |
222 | if (cookie) |
161 | magic_load (cookie, 0); |
223 | magic_load (cookie, 0); |
162 | else |
224 | else |
163 | XSRETURN_UNDEF; |
225 | XSRETURN_UNDEF; |
… | |
… | |
166 | RETVAL = magic_file (cookie, path); |
228 | RETVAL = magic_file (cookie, path); |
167 | } |
229 | } |
168 | OUTPUT: |
230 | OUTPUT: |
169 | RETVAL |
231 | RETVAL |
170 | |
232 | |
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233 | const char * |
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234 | magic_mime (octet_string path) |
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235 | CODE: |
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236 | { |
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237 | static magic_t cookie; |
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238 | |
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239 | if (!cookie) |
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240 | { |
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241 | cookie = magic_open (MAGIC_MIME | MAGIC_SYMLINK); |
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242 | |
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243 | if (cookie) |
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244 | magic_load (cookie, 0); |
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245 | else |
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246 | XSRETURN_UNDEF; |
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247 | } |
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248 | |
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249 | perlinterp_release (); |
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250 | RETVAL = magic_file (cookie, path); |
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251 | perlinterp_acquire (); |
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252 | } |
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253 | OUTPUT: |
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254 | RETVAL |
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255 | |
171 | # 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); |
172 | |
262 | |
173 | gboolean |
263 | gboolean |
174 | gdk_net_wm_supports (GdkAtom property) |
264 | gdk_net_wm_supports (GdkAtom property) |
175 | CODE: |
265 | CODE: |
176 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
266 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
… | |
… | |
182 | RETVAL |
272 | RETVAL |
183 | |
273 | |
184 | GdkPixbuf_noinc * |
274 | GdkPixbuf_noinc * |
185 | dealpha_expose (GdkPixbuf *pb) |
275 | dealpha_expose (GdkPixbuf *pb) |
186 | CODE: |
276 | CODE: |
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277 | perlinterp_release (); |
187 | { |
278 | { |
188 | int w = gdk_pixbuf_get_width (pb); |
279 | int w = gdk_pixbuf_get_width (pb); |
189 | int h = gdk_pixbuf_get_height (pb); |
280 | int h = gdk_pixbuf_get_height (pb); |
190 | int bpp = gdk_pixbuf_get_n_channels (pb); |
281 | int bpp = gdk_pixbuf_get_n_channels (pb); |
191 | int x, y, i; |
282 | int x, y, i; |
… | |
… | |
200 | for (x = 0; x < w; x++) |
291 | for (x = 0; x < w; x++) |
201 | for (y = 0; y < h; y++) |
292 | for (y = 0; y < h; y++) |
202 | for (i = 0; i < 3; i++) |
293 | for (i = 0; i < 3; i++) |
203 | 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]; |
204 | } |
295 | } |
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296 | perlinterp_acquire (); |
205 | OUTPUT: |
297 | OUTPUT: |
206 | RETVAL |
298 | RETVAL |
207 | |
299 | |
208 | GdkPixbuf_noinc * |
300 | GdkPixbuf_noinc * |
209 | rotate (GdkPixbuf *pb, int angle) |
301 | rotate (GdkPixbuf *pb, int angle) |
210 | 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; |
211 | 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 |
212 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
307 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
213 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
308 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
214 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
309 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
215 | : angle); |
310 | : angle); |
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311 | perlinterp_acquire (); |
216 | OUTPUT: |
312 | OUTPUT: |
217 | RETVAL |
313 | RETVAL |
218 | |
314 | |
219 | GdkPixbuf_noinc * |
315 | GdkPixbuf_noinc * |
220 | load_jpeg (SV *path, int thumbnail=0) |
316 | load_jpeg (SV *path, int thumbnail=0) |
… | |
… | |
232 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
328 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
233 | |
329 | |
234 | if (!fp) |
330 | if (!fp) |
235 | XSRETURN_UNDEF; |
331 | XSRETURN_UNDEF; |
236 | |
332 | |
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333 | perlinterp_release (); |
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334 | |
237 | cinfo.err = jpeg_std_error (&jerr.err); |
335 | cinfo.err = jpeg_std_error (&jerr.err); |
238 | |
336 | |
239 | jerr.err.error_exit = cv_error_exit; |
337 | jerr.err.error_exit = cv_error_exit; |
240 | jerr.err.output_message = cv_error_output; |
338 | jerr.err.output_message = cv_error_output; |
241 | |
339 | |
… | |
… | |
245 | jpeg_destroy_decompress (&cinfo); |
343 | jpeg_destroy_decompress (&cinfo); |
246 | |
344 | |
247 | if (pb) |
345 | if (pb) |
248 | g_object_unref ((gpointer)pb); |
346 | g_object_unref ((gpointer)pb); |
249 | |
347 | |
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348 | perlinterp_acquire (); |
250 | XSRETURN_UNDEF; |
349 | XSRETURN_UNDEF; |
251 | } |
350 | } |
252 | |
351 | |
253 | jpeg_create_decompress (&cinfo); |
352 | jpeg_create_decompress (&cinfo); |
254 | |
353 | |
… | |
… | |
306 | } |
405 | } |
307 | |
406 | |
308 | jpeg_finish_decompress (&cinfo); |
407 | jpeg_finish_decompress (&cinfo); |
309 | fclose (fp); |
408 | fclose (fp); |
310 | jpeg_destroy_decompress (&cinfo); |
409 | jpeg_destroy_decompress (&cinfo); |
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410 | perlinterp_acquire (); |
311 | } |
411 | } |
312 | OUTPUT: |
412 | OUTPUT: |
313 | RETVAL |
413 | RETVAL |
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414 | |
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415 | void |
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416 | compare (GdkPixbuf *a, GdkPixbuf *b) |
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417 | PPCODE: |
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418 | perlinterp_release (); |
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419 | { |
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420 | int w = gdk_pixbuf_get_width (a); |
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421 | int h = gdk_pixbuf_get_height (a); |
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422 | |
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423 | int sa = gdk_pixbuf_get_rowstride (a); |
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424 | int sb = gdk_pixbuf_get_rowstride (b); |
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425 | |
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426 | guchar *pa = gdk_pixbuf_get_pixels (a); |
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427 | guchar *pb = gdk_pixbuf_get_pixels (b); |
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428 | |
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429 | int x, y; |
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430 | |
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431 | assert (w == gdk_pixbuf_get_width (b)); |
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432 | assert (h == gdk_pixbuf_get_height (b)); |
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433 | |
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434 | assert (gdk_pixbuf_get_n_channels (a) == 3); |
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435 | assert (gdk_pixbuf_get_n_channels (b) == 3); |
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436 | |
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437 | double diff = 0.; |
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438 | int peak = 0; |
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439 | |
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440 | if (w && h) |
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441 | for (y = 0; y < h; y++) |
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442 | { |
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443 | guchar *pa_ = pa + y * sa; |
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444 | guchar *pb_ = pb + y * sb; |
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445 | |
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446 | for (x = 0; x < w; x++) |
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447 | { |
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448 | int d; |
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449 | |
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450 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
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451 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
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452 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
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453 | } |
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454 | } |
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455 | |
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456 | perlinterp_acquire (); |
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457 | |
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458 | EXTEND (SP, 2); |
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459 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
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460 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
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461 | } |
314 | |
462 | |
315 | ############################################################################# |
463 | ############################################################################# |
316 | |
464 | |
317 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
465 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
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466 | |
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467 | # currently only works for filenames (octet strings) |
318 | |
468 | |
319 | SV * |
469 | SV * |
320 | foldcase (SV *pathsv) |
470 | foldcase (SV *pathsv) |
321 | PROTOTYPE: $ |
471 | PROTOTYPE: $ |
322 | CODE: |
472 | CODE: |
323 | { |
473 | { |
324 | STRLEN plen; |
474 | STRLEN plen; |
325 | U8 *path = (U8 *)SvPVutf8 (pathsv, plen); |
475 | U8 *path = (U8 *)SvPV (pathsv, plen); |
326 | U8 *pend = path + plen; |
476 | U8 *pend = path + plen; |
327 | U8 dst [plen * 6 * 3], *dstp = dst; |
477 | U8 dst [plen * 6 * 3], *dstp = dst; |
328 | |
478 | |
329 | while (path < pend) |
479 | while (path < pend) |
330 | { |
480 | { |
331 | U8 ch = *path; |
481 | U8 ch = *path; |
332 | |
482 | |
333 | if (ch >= 'a' && ch <= 'z') |
483 | if (ch >= 'a' && ch <= 'z') |
334 | *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'); |
335 | else if (ch >= '0' && ch <= '9') |
487 | else if (ch >= '0' && ch <= '9') |
336 | { |
488 | { |
337 | STRLEN el, nl = 0; |
489 | STRLEN el, nl = 0; |
338 | while (*path >= '0' && *path <= '9' && path < pend) |
490 | while (*path >= '0' && *path <= '9' && path < pend) |
339 | path++, nl++; |
491 | path++, nl++; |
… | |
… | |
342 | *dstp++ = '0'; |
494 | *dstp++ = '0'; |
343 | |
495 | |
344 | memcpy (dstp, path - nl, nl); |
496 | memcpy (dstp, path - nl, nl); |
345 | dstp += nl; |
497 | dstp += nl; |
346 | } |
498 | } |
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499 | else |
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500 | *dstp++ = *path++; |
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501 | #if 0 |
347 | else |
502 | else |
348 | { |
503 | { |
349 | STRLEN cl; |
504 | STRLEN cl; |
350 | to_utf8_fold (path, dstp, &cl); |
505 | to_utf8_fold (path, dstp, &cl); |
351 | dstp += cl; |
506 | dstp += cl; |
352 | path += is_utf8_char (path); |
507 | path += is_utf8_char (path); |
353 | } |
508 | } |
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509 | #endif |
354 | } |
510 | } |
355 | |
511 | |
356 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
512 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
357 | } |
513 | } |
358 | OUTPUT: |
514 | OUTPUT: |
… | |
… | |
520 | ############################################################################# |
676 | ############################################################################# |
521 | |
677 | |
522 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
678 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
523 | |
679 | |
524 | SV * |
680 | SV * |
525 | make_histograms (SV *ar) |
681 | extract_features (SV *ar) |
526 | CODE: |
682 | CODE: |
527 | { |
683 | { |
528 | int i; |
684 | int i; |
529 | AV *av, *result; |
685 | AV *av, *result; |
530 | |
686 | |
531 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
687 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
532 | croak ("Not an array ref as first argument to make_histogram"); |
688 | croak ("Not an array ref as first argument to extract_features"); |
533 | |
689 | |
534 | av = (AV *) SvRV (ar); |
690 | av = (AV *) SvRV (ar); |
535 | result = newAV (); |
691 | result = newAV (); |
536 | |
692 | |
537 | for (i = 0; i <= av_len (av); ++i) |
693 | for (i = 0; i <= av_len (av); ++i) |
538 | { |
694 | { |
539 | const int HISTSIZE = 64; |
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540 | |
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541 | int j; |
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542 | SV *sv = *av_fetch (av, i, 1); |
695 | SV *sv = *av_fetch (av, i, 1); |
543 | STRLEN len; |
|
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544 | char *buf = SvPVbyte (sv, len); |
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545 | |
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546 | int tmphist[HISTSIZE]; |
|
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547 | float *hist; |
|
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548 | |
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549 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
696 | SV *histsv = newSV (9 * sizeof (float) + 1); |
|
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697 | |
550 | SvPOK_on (histsv); |
698 | SvPOK_on (histsv); |
551 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
699 | SvCUR_set (histsv, 9 * sizeof (float)); |
552 | hist = (float *)SvPVX (histsv); |
700 | float *hist = (float *)SvPVX (histsv); |
553 | |
701 | |
554 | Zero (tmphist, sizeof (tmphist), char); |
702 | struct feature f_h, f_s, f_v; |
|
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703 | feature_init (&f_h); |
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704 | feature_init (&f_s); |
|
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705 | feature_init (&f_v); |
555 | |
706 | |
556 | for (j = len; j--; ) |
|
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557 | { |
|
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558 | unsigned int idx |
|
|
559 | = ((*buf & 0xc0) >> 2) |
|
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560 | | ((*buf & 0x18) >> 1) |
|
|
561 | | (*buf & 0x03); |
|
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562 | |
|
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563 | ++tmphist[idx]; |
|
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564 | ++buf; |
|
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565 | } |
|
|
566 | |
707 | { |
567 | for (j = 0; j < HISTSIZE; ++j) |
708 | STRLEN len; |
568 | 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; |
|
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713 | r = *buf++; g = *buf++; b = *buf++; |
|
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714 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
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715 | |
|
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716 | feature_update_pass_1 (&f_h, h); |
|
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717 | feature_update_pass_1 (&f_s, s); |
|
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718 | feature_update_pass_1 (&f_v, v); |
|
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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; |
569 | |
752 | |
570 | av_push (result, histsv); |
753 | av_push (result, histsv); |
571 | } |
754 | } |
572 | |
755 | |
573 | RETVAL = newRV_noinc ((SV *)result); |
756 | RETVAL = newRV_noinc ((SV *)result); |
574 | } |
757 | } |
575 | OUTPUT: |
758 | OUTPUT: |
576 | RETVAL |
759 | RETVAL |
577 | |
760 | |
578 | |
|
|