… | |
… | |
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> |
|
|
7 | #include <math.h> |
|
|
8 | |
|
|
9 | #include <magic.h> |
7 | |
10 | |
8 | #include <jpeglib.h> |
11 | #include <jpeglib.h> |
|
|
12 | #include <jerror.h> |
|
|
13 | |
|
|
14 | #include <glib.h> |
|
|
15 | #include <gtk/gtk.h> |
|
|
16 | #include <gdk/gdkx.h> |
9 | #include <gdk-pixbuf/gdk-pixbuf.h> |
17 | #include <gdk-pixbuf/gdk-pixbuf.h> |
10 | |
18 | |
11 | #include <gperl.h> |
19 | #include <gperl.h> |
12 | #include <gtk2perl.h> |
20 | #include <gtk2perl.h> |
13 | |
21 | |
|
|
22 | #include <assert.h> |
|
|
23 | |
|
|
24 | #if WEBP |
|
|
25 | #include <webp/demux.h> |
|
|
26 | #include <webp/decode.h> |
|
|
27 | #endif |
|
|
28 | |
|
|
29 | #if JXL |
|
|
30 | #include <jxl/decode.h> |
|
|
31 | #include "jxl/thread_parallel_runner.h" |
|
|
32 | #endif |
|
|
33 | |
|
|
34 | #include "perlmulticore.h" |
|
|
35 | |
14 | #define IW 80 /* MUST match Schnauer.pm! */ |
36 | #define IW 80 /* MUST match Schnauzer.pm! */ |
15 | #define IH 60 /* MUST match Schnauer.pm! */ |
37 | #define IH 60 /* MUST match Schnauzer.pm! */ |
16 | |
|
|
17 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
|
|
18 | |
38 | |
19 | #define LINELENGTH 240 |
39 | #define LINELENGTH 240 |
20 | |
40 | |
21 | #define ELLIPSIS "\xe2\x80\xa6" |
41 | #define ELLIPSIS "\xe2\x80\xa6" |
|
|
42 | |
|
|
43 | typedef char *octet_string; |
|
|
44 | |
|
|
45 | static magic_t magic_cookie[2]; /* !mime, mime */ |
22 | |
46 | |
23 | struct jpg_err_mgr |
47 | struct jpg_err_mgr |
24 | { |
48 | { |
25 | struct jpeg_error_mgr err; |
49 | struct jpeg_error_mgr err; |
26 | jmp_buf setjmp_buffer; |
50 | jmp_buf setjmp_buffer; |
27 | }; |
51 | }; |
28 | |
52 | |
29 | static void |
53 | static void |
30 | cv_error_exit (j_common_ptr cinfo) |
54 | cv_error_exit (j_common_ptr cinfo) |
31 | { |
55 | { |
|
|
56 | cinfo->err->output_message (cinfo); |
32 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
57 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
33 | } |
58 | } |
34 | |
59 | |
35 | static void |
60 | static void |
36 | cv_error_output (j_common_ptr cinfo) |
61 | cv_error_output (j_common_ptr cinfo) |
37 | { |
62 | { |
|
|
63 | char msg[JMSG_LENGTH_MAX]; |
|
|
64 | |
|
|
65 | cinfo->err->format_message (cinfo, msg); |
|
|
66 | |
|
|
67 | fprintf (stderr, "JPEG decoding error: %s\n", msg); |
38 | return; |
68 | return; |
39 | } |
69 | } |
40 | |
70 | |
41 | static void |
71 | static void |
42 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
72 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
… | |
… | |
63 | |
93 | |
64 | *h &= 255; |
94 | *h &= 255; |
65 | } |
95 | } |
66 | } |
96 | } |
67 | |
97 | |
|
|
98 | struct feature { |
|
|
99 | float v1, v2, v3; // mean, square, cube |
|
|
100 | int n; |
|
|
101 | }; |
|
|
102 | |
|
|
103 | static void |
|
|
104 | feature_init (struct feature *f) |
|
|
105 | { |
|
|
106 | f->v1 = 0.; |
|
|
107 | f->v2 = 0.; |
|
|
108 | f->v3 = 0.; |
|
|
109 | f->n = 0; |
|
|
110 | } |
|
|
111 | |
|
|
112 | // didn't find an algorithm to neatly do mean, variance and skew in one pass. |
|
|
113 | // elmex ist schuld. |
|
|
114 | static void |
|
|
115 | feature_update_pass_1 (struct feature *f, unsigned int v) |
|
|
116 | { |
|
|
117 | f->v1 += v; |
|
|
118 | f->n += 1; |
|
|
119 | } |
|
|
120 | |
|
|
121 | static void |
|
|
122 | feature_finish_pass_1 (struct feature *f) |
|
|
123 | { |
|
|
124 | if (f->n < 1) |
|
|
125 | return; |
|
|
126 | |
|
|
127 | f->v1 /= f->n; |
|
|
128 | } |
|
|
129 | |
|
|
130 | static void |
|
|
131 | feature_update_pass_2 (struct feature *f, unsigned int v) |
|
|
132 | { |
|
|
133 | float d = v - f->v1; |
|
|
134 | |
|
|
135 | f->v2 += d * d; |
|
|
136 | f->v3 += d * d * d; |
|
|
137 | } |
|
|
138 | |
|
|
139 | static void |
|
|
140 | feature_finish_pass_2 (struct feature *f) |
|
|
141 | { |
|
|
142 | if (f->n < 1) |
|
|
143 | return; |
|
|
144 | |
|
|
145 | f->v2 /= f->n; |
|
|
146 | f->v3 /= f->n; |
|
|
147 | |
|
|
148 | f->v1 /= 255.; |
|
|
149 | f->v2 /= 255. * 255.; f->v2 = sqrtf (f->v2); |
|
|
150 | f->v3 /= 255. * 255. * 255.; f->v3 = powf (fabsf (f->v3), 1./3.); |
|
|
151 | } |
|
|
152 | |
68 | static guint32 a85_val; |
153 | static guint32 a85_val; |
69 | static guint a85_cnt; |
154 | static guint a85_cnt; |
70 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
155 | static guchar a85_buf[LINELENGTH], *a85_ptr; |
71 | |
156 | |
72 | static void |
157 | static void |
… | |
… | |
84 | if (!--a85_cnt) |
169 | if (!--a85_cnt) |
85 | { |
170 | { |
86 | a85_cnt = 4; |
171 | a85_cnt = 4; |
87 | if (a85_val) |
172 | if (a85_val) |
88 | { |
173 | { |
89 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
174 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
90 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
175 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
91 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
176 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
92 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
177 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
93 | a85_ptr[0] = (a85_val ) + 33; |
178 | a85_ptr[0] = (a85_val ) + 33; |
94 | |
179 | |
95 | a85_ptr += 5; |
180 | a85_ptr += 5; |
96 | } |
181 | } |
… | |
… | |
119 | |
204 | |
120 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
205 | PerlIO_write (fp, a85_buf, a85_ptr - a85_buf); |
121 | } |
206 | } |
122 | |
207 | |
123 | ///////////////////////////////////////////////////////////////////////////// |
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 | ///////////////////////////////////////////////////////////////////////////// |
124 | |
303 | |
125 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
304 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
126 | |
305 | |
127 | PROTOTYPES: ENABLE |
306 | PROTOTYPES: ENABLE |
128 | |
307 | |
|
|
308 | void |
|
|
309 | _exit (int code) |
|
|
310 | |
|
|
311 | # calculate the common prefix length of two strings |
|
|
312 | # missing function in perl. really :) |
|
|
313 | int |
|
|
314 | common_prefix_length (a, b) |
|
|
315 | unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); |
|
|
316 | unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); |
|
|
317 | CODE: |
|
|
318 | RETVAL = 0; |
|
|
319 | |
|
|
320 | while (*a == *b && *a) |
|
|
321 | { |
|
|
322 | RETVAL += (*a & 0xc0) != 0x80; |
|
|
323 | a++, b++; |
|
|
324 | } |
|
|
325 | |
|
|
326 | OUTPUT: |
|
|
327 | RETVAL |
|
|
328 | |
|
|
329 | const char * |
|
|
330 | magic (SV *path_or_data) |
|
|
331 | ALIAS: |
|
|
332 | magic = 0 |
|
|
333 | magic_mime = 1 |
|
|
334 | magic_buffer = 2 |
|
|
335 | magic_buffer_mime = 3 |
|
|
336 | CODE: |
|
|
337 | { |
|
|
338 | STRLEN len; |
|
|
339 | char *data = SvPVbyte (path_or_data, len); |
|
|
340 | |
|
|
341 | if (!magic_cookie[0]) |
|
|
342 | { |
|
|
343 | magic_cookie[0] = magic_open (MAGIC_SYMLINK); |
|
|
344 | magic_cookie[1] = magic_open (MAGIC_SYMLINK | MAGIC_MIME_TYPE); |
|
|
345 | magic_load (magic_cookie[0], 0); |
|
|
346 | magic_load (magic_cookie[1], 0); |
|
|
347 | } |
|
|
348 | |
|
|
349 | perlinterp_release (); |
|
|
350 | |
|
|
351 | RETVAL = ix & 2 |
|
|
352 | ? magic_buffer (magic_cookie[ix & 1], data, len) |
|
|
353 | : magic_file (magic_cookie[ix & 1], data); |
|
|
354 | |
|
|
355 | perlinterp_acquire (); |
|
|
356 | } |
|
|
357 | OUTPUT: |
|
|
358 | RETVAL |
|
|
359 | |
129 | # missing in Gtk2 perl module |
360 | # missing/broken in Gtk2 perl module |
|
|
361 | |
|
|
362 | void |
|
|
363 | gdk_window_clear_hints (GdkWindow *window) |
|
|
364 | CODE: |
|
|
365 | gdk_window_set_geometry_hints (window, 0, 0); |
130 | |
366 | |
131 | gboolean |
367 | gboolean |
132 | gdk_net_wm_supports (GdkAtom property) |
368 | gdk_net_wm_supports (GdkAtom property) |
133 | CODE: |
369 | CODE: |
134 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
370 | #if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) |
… | |
… | |
138 | #endif |
374 | #endif |
139 | OUTPUT: |
375 | OUTPUT: |
140 | RETVAL |
376 | RETVAL |
141 | |
377 | |
142 | GdkPixbuf_noinc * |
378 | GdkPixbuf_noinc * |
143 | transpose (GdkPixbuf *pb) |
379 | dealpha_expose (GdkPixbuf *pb) |
144 | CODE: |
380 | CODE: |
|
|
381 | perlinterp_release (); |
145 | { |
382 | { |
146 | int w = gdk_pixbuf_get_width (pb); |
383 | int w = gdk_pixbuf_get_width (pb); |
147 | int h = gdk_pixbuf_get_height (pb); |
384 | int h = gdk_pixbuf_get_height (pb); |
148 | int bpp = gdk_pixbuf_get_n_channels (pb); |
385 | int bpp = gdk_pixbuf_get_n_channels (pb); |
149 | int x, y, i; |
386 | int x, y, i; |
150 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
387 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
151 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
388 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
152 | |
389 | |
153 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); |
390 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
154 | |
391 | |
155 | dst = gdk_pixbuf_get_pixels (RETVAL); |
392 | dst = gdk_pixbuf_get_pixels (RETVAL); |
156 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
393 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
157 | |
394 | |
158 | for (y = 0; y < h; y++) |
|
|
159 | for (x = 0; x < w; x++) |
395 | for (x = 0; x < w; x++) |
|
|
396 | for (y = 0; y < h; y++) |
160 | for (i = 0; i < bpp; i++) |
397 | for (i = 0; i < 3; i++) |
161 | dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; |
398 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
162 | } |
399 | } |
|
|
400 | perlinterp_acquire (); |
163 | OUTPUT: |
401 | OUTPUT: |
164 | RETVAL |
402 | RETVAL |
165 | |
403 | |
166 | GdkPixbuf_noinc * |
404 | GdkPixbuf_noinc * |
167 | flop (GdkPixbuf *pb) |
405 | rotate (GdkPixbuf *pb, int angle) |
168 | CODE: |
406 | CODE: |
169 | { |
407 | perlinterp_release (); |
170 | int w = gdk_pixbuf_get_width (pb); |
408 | if (angle < 0) |
171 | int h = gdk_pixbuf_get_height (pb); |
409 | angle += 360; |
172 | int bpp = gdk_pixbuf_get_n_channels (pb); |
410 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
173 | int x, y, i; |
411 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
174 | guchar *src = gdk_pixbuf_get_pixels (pb), *dst; |
412 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
175 | int sstr = gdk_pixbuf_get_rowstride (pb), dstr; |
413 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
176 | |
414 | : angle); |
177 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); |
415 | perlinterp_acquire (); |
178 | |
|
|
179 | dst = gdk_pixbuf_get_pixels (RETVAL); |
|
|
180 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
181 | |
|
|
182 | for (y = 0; y < h; y++) |
|
|
183 | for (x = 0; x < w; x++) |
|
|
184 | for (i = 0; i < bpp; i++) |
|
|
185 | dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; |
|
|
186 | } |
|
|
187 | OUTPUT: |
416 | OUTPUT: |
188 | RETVAL |
417 | RETVAL |
189 | |
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+0] == 0 |
|
|
492 | && data[0x8000+1] == (U8)'B' |
|
|
493 | && data[0x8000+2] == (U8)'E' |
|
|
494 | && data[0x8000+3] == (U8)'A' |
|
|
495 | && data[0x8000+4] == (U8)'0' |
|
|
496 | && data[0x8000+5] == (U8)'1') |
|
|
497 | RETVAL = "video/iso-bluray"; |
|
|
498 | |
|
|
499 | else |
|
|
500 | XSRETURN_UNDEF; |
|
|
501 | } |
|
|
502 | OUTPUT: |
|
|
503 | RETVAL |
|
|
504 | |
190 | GdkPixbuf_noinc * |
505 | GdkPixbuf_noinc * |
191 | load_jpeg (char *path, int thumbnail=0) |
506 | decode_webp (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
507 | CODE: |
|
|
508 | { |
|
|
509 | #if WEBP |
|
|
510 | STRLEN data_size; |
|
|
511 | int alpha; |
|
|
512 | WebPData data; |
|
|
513 | WebPDemuxer *demux; |
|
|
514 | WebPIterator iter; |
|
|
515 | WebPDecoderConfig config; |
|
|
516 | int inw, inh; |
|
|
517 | |
|
|
518 | data.bytes = (uint8_t *)SvPVbyte (image_data, data_size); |
|
|
519 | data.size = data_size; |
|
|
520 | |
|
|
521 | perlinterp_release (); |
|
|
522 | |
|
|
523 | RETVAL = 0; |
|
|
524 | |
|
|
525 | if (!(demux = WebPDemux (&data))) |
|
|
526 | goto err_demux; |
|
|
527 | |
|
|
528 | if (!WebPDemuxGetFrame (demux, 1, &iter)) |
|
|
529 | goto err_iter; |
|
|
530 | |
|
|
531 | if (!WebPInitDecoderConfig (&config)) |
|
|
532 | goto err_iter; |
|
|
533 | |
|
|
534 | config.options.use_threads = 1; |
|
|
535 | |
|
|
536 | if (WebPGetFeatures (iter.fragment.bytes, iter.fragment.size, &config.input) != VP8_STATUS_OK) |
|
|
537 | goto err_iter; |
|
|
538 | |
|
|
539 | inw = config.input.width; |
|
|
540 | inh = config.input.height; |
|
|
541 | |
|
|
542 | if (thumbnail) |
|
|
543 | { |
|
|
544 | if (inw * ih > inh * iw) |
|
|
545 | ih = (iw * inh + inw - 1) / inw; |
|
|
546 | else |
|
|
547 | iw = (ih * inw + inh - 1) / inh; |
|
|
548 | |
|
|
549 | config.options.bypass_filtering = 1; |
|
|
550 | config.options.no_fancy_upsampling = 1; |
|
|
551 | |
|
|
552 | config.options.use_scaling = 1; |
|
|
553 | config.options.scaled_width = iw; |
|
|
554 | config.options.scaled_height = ih; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | { |
|
|
558 | iw = inw; |
|
|
559 | ih = inh; |
|
|
560 | } |
|
|
561 | |
|
|
562 | alpha = !!config.input.has_alpha; |
|
|
563 | |
|
|
564 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, alpha, 8, iw, ih); |
|
|
565 | if (!RETVAL) |
|
|
566 | goto err_iter; |
|
|
567 | |
|
|
568 | config.output.colorspace = alpha ? MODE_RGBA : MODE_RGB; |
|
|
569 | config.output.u.RGBA.rgba = gdk_pixbuf_get_pixels (RETVAL); |
|
|
570 | config.output.u.RGBA.stride = gdk_pixbuf_get_rowstride (RETVAL); |
|
|
571 | config.output.u.RGBA.size = gdk_pixbuf_get_byte_length (RETVAL); |
|
|
572 | config.output.is_external_memory = 1; |
|
|
573 | |
|
|
574 | if (WebPDecode (iter.fragment.bytes, iter.fragment.size, &config) != VP8_STATUS_OK) |
|
|
575 | { |
|
|
576 | g_object_unref (RETVAL); |
|
|
577 | RETVAL = 0; |
|
|
578 | goto err_iter; |
|
|
579 | } |
|
|
580 | |
|
|
581 | err_iter: |
|
|
582 | WebPDemuxReleaseIterator (&iter); |
|
|
583 | err_demux: |
|
|
584 | WebPDemuxDelete (demux); |
|
|
585 | |
|
|
586 | perlinterp_acquire (); |
|
|
587 | #else |
|
|
588 | croak ("load_webp: webp not enabled at compile time"); |
|
|
589 | #endif |
|
|
590 | } |
|
|
591 | OUTPUT: |
|
|
592 | RETVAL |
|
|
593 | |
|
|
594 | GdkPixbuf_noinc * |
|
|
595 | decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
|
|
596 | CODE: |
|
|
597 | { |
|
|
598 | #if JXL |
|
|
599 | JxlDecoder *dec; |
|
|
600 | JxlBasicInfo info; |
|
|
601 | const uint8_t *next_in = (uint8_t *)SvPVbyte_nolen (image_data); |
|
|
602 | size_t avail_in = SvCUR (image_data); |
|
|
603 | const char *error = 0; |
|
|
604 | JxlDecoderStatus status; |
|
|
605 | static void *runner_cache; |
|
|
606 | void *runner = 0; |
|
|
607 | |
|
|
608 | RETVAL = 0; |
|
|
609 | |
|
|
610 | if (runner_cache) |
|
|
611 | runner = runner_cache; |
|
|
612 | else |
|
|
613 | runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ()); |
|
|
614 | |
|
|
615 | runner_cache = 0; |
|
|
616 | |
|
|
617 | perlinterp_release (); |
|
|
618 | |
|
|
619 | dec = JxlDecoderCreate (0); |
|
|
620 | |
|
|
621 | error = "JxlDecoderCreate failed"; |
|
|
622 | if (!dec) |
|
|
623 | goto done; |
|
|
624 | |
|
|
625 | status = JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner); |
|
|
626 | error = "JxlDecoderSetParallelRunner failed"; |
|
|
627 | if (status != JXL_DEC_SUCCESS) |
|
|
628 | goto done; |
|
|
629 | |
|
|
630 | error = "JxlDecoderSubscribeEvents failed"; |
|
|
631 | status = JxlDecoderSubscribeEvents (dec, JXL_DEC_BASIC_INFO | JXL_DEC_FULL_IMAGE); |
|
|
632 | if (status != JXL_DEC_SUCCESS) |
|
|
633 | goto done; |
|
|
634 | |
|
|
635 | status = JxlDecoderSetInput (dec, next_in, avail_in); |
|
|
636 | error = "JxlDecoderSetInput failed"; |
|
|
637 | if (status != JXL_DEC_SUCCESS) |
|
|
638 | goto done; |
|
|
639 | |
|
|
640 | for (;;) |
|
|
641 | { |
|
|
642 | status = JxlDecoderProcessInput (dec); |
|
|
643 | |
|
|
644 | switch (status) |
|
|
645 | { |
|
|
646 | case JXL_DEC_FULL_IMAGE: |
|
|
647 | error = 0; |
|
|
648 | goto done; |
|
|
649 | |
|
|
650 | case JXL_DEC_ERROR: |
|
|
651 | error = "JxlDecoderProcessInput failed"; |
|
|
652 | goto done; |
|
|
653 | |
|
|
654 | case JXL_DEC_NEED_MORE_INPUT: |
|
|
655 | error = "incomplete file"; |
|
|
656 | goto done; |
|
|
657 | |
|
|
658 | case JXL_DEC_SUCCESS: |
|
|
659 | error = "incomplete decode"; |
|
|
660 | goto done; |
|
|
661 | |
|
|
662 | case JXL_DEC_BASIC_INFO: |
|
|
663 | { |
|
|
664 | status = JxlDecoderGetBasicInfo (dec, &info); |
|
|
665 | error = "JxlDecoderGetBasicInfo failed"; |
|
|
666 | if (status != JXL_DEC_SUCCESS) |
|
|
667 | goto done; |
|
|
668 | |
|
|
669 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize); |
|
|
670 | error = "unable to allocate pixbuf"; |
|
|
671 | if (!RETVAL) |
|
|
672 | goto done; |
|
|
673 | |
|
|
674 | JxlPixelFormat format = { |
|
|
675 | info.alpha_bits ? 4 : 3, |
|
|
676 | JXL_TYPE_UINT8, |
|
|
677 | JXL_NATIVE_ENDIAN, |
|
|
678 | gdk_pixbuf_get_rowstride (RETVAL) |
|
|
679 | }; |
|
|
680 | |
|
|
681 | // cannot use gdk_pixbuf_get_byte_length because that does |
|
|
682 | // not return the size of the buffer, but the size of the buffer without |
|
|
683 | // the last padding bytes. the internal buffer is rowstride * ysize, |
|
|
684 | // and this is what the jxl decoder needs. none of this is documented |
|
|
685 | // in either library, of course. |
|
|
686 | |
|
|
687 | status = JxlDecoderSetImageOutBuffer ( |
|
|
688 | dec, |
|
|
689 | &format, |
|
|
690 | gdk_pixbuf_get_pixels (RETVAL), |
|
|
691 | gdk_pixbuf_get_rowstride (RETVAL) * info.ysize |
|
|
692 | ); |
|
|
693 | error = "JxlDecoderSetImageOutBuffer failed"; |
|
|
694 | if (status != JXL_DEC_SUCCESS) |
|
|
695 | goto done; |
|
|
696 | } |
|
|
697 | break; |
|
|
698 | |
|
|
699 | default: |
|
|
700 | error = "unexpected event"; |
|
|
701 | goto done; |
|
|
702 | } |
|
|
703 | } |
|
|
704 | |
|
|
705 | done: |
|
|
706 | if (dec) |
|
|
707 | JxlDecoderDestroy (dec); |
|
|
708 | |
|
|
709 | perlinterp_acquire (); |
|
|
710 | |
|
|
711 | if (runner_cache) |
|
|
712 | JxlThreadParallelRunnerDestroy (runner); |
|
|
713 | |
|
|
714 | runner_cache = runner; |
|
|
715 | |
|
|
716 | if (error) |
|
|
717 | { |
|
|
718 | if (RETVAL) |
|
|
719 | g_object_unref (RETVAL); |
|
|
720 | |
|
|
721 | croak ("load_jxl: %s (status %d)", error, status); |
|
|
722 | } |
|
|
723 | #else |
|
|
724 | croak ("load_jxl: jpeg-xl not enabled at compile time"); |
|
|
725 | #endif |
|
|
726 | } |
|
|
727 | OUTPUT: |
|
|
728 | RETVAL |
|
|
729 | |
|
|
730 | GdkPixbuf_noinc * |
|
|
731 | decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0) |
192 | CODE: |
732 | CODE: |
193 | { |
733 | { |
194 | struct jpeg_decompress_struct cinfo; |
734 | struct jpeg_decompress_struct cinfo; |
195 | struct jpg_err_mgr jerr; |
735 | struct jpg_err_mgr jerr; |
196 | guchar *data; |
|
|
197 | int rs; |
736 | int rs; |
198 | FILE *fp; |
|
|
199 | volatile GdkPixbuf *pb = 0; |
737 | volatile GdkPixbuf *pb = 0; |
|
|
738 | STRLEN data_len; |
|
|
739 | guchar *data = SvPVbyte (image_data, data_len); |
|
|
740 | |
200 | RETVAL = 0; |
741 | RETVAL = 0; |
201 | |
742 | |
202 | if (!(fp = fopen (path, "rb"))) |
743 | perlinterp_release (); |
203 | XSRETURN_UNDEF; |
|
|
204 | |
744 | |
205 | cinfo.err = jpeg_std_error (&jerr.err); |
745 | cinfo.err = jpeg_std_error (&jerr.err); |
206 | |
746 | |
207 | jerr.err.error_exit = cv_error_exit; |
747 | jerr.err.error_exit = cv_error_exit; |
208 | jerr.err.output_message = cv_error_output; |
748 | jerr.err.output_message = cv_error_output; |
209 | |
749 | |
210 | if ((rs = setjmp (jerr.setjmp_buffer))) |
750 | if ((rs = setjmp (jerr.setjmp_buffer))) |
211 | { |
751 | { |
212 | fclose (fp); |
|
|
213 | jpeg_destroy_decompress (&cinfo); |
752 | jpeg_destroy_decompress (&cinfo); |
214 | |
753 | |
215 | if (pb) |
754 | if (pb) |
216 | g_object_unref ((gpointer)pb); |
755 | g_object_unref ((gpointer)pb); |
217 | |
756 | |
|
|
757 | perlinterp_acquire (); |
218 | XSRETURN_UNDEF; |
758 | XSRETURN_UNDEF; |
219 | } |
759 | } |
220 | |
760 | |
|
|
761 | if (!data_len) |
|
|
762 | longjmp (jerr.setjmp_buffer, 4); |
|
|
763 | |
221 | jpeg_create_decompress (&cinfo); |
764 | jpeg_create_decompress (&cinfo); |
|
|
765 | cv_jpeg_mem_src (&cinfo, data, data_len); |
222 | |
766 | |
223 | jpeg_stdio_src (&cinfo, fp); |
|
|
224 | jpeg_read_header (&cinfo, TRUE); |
767 | jpeg_read_header (&cinfo, TRUE); |
225 | |
768 | |
226 | cinfo.dct_method = JDCT_DEFAULT; |
769 | cinfo.dct_method = JDCT_DEFAULT; |
227 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
770 | cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */ |
228 | cinfo.do_block_smoothing = FALSE; |
771 | cinfo.do_block_smoothing = FALSE; |
… | |
… | |
238 | { |
781 | { |
239 | cinfo.dct_method = JDCT_FASTEST; |
782 | cinfo.dct_method = JDCT_FASTEST; |
240 | cinfo.do_fancy_upsampling = FALSE; |
783 | cinfo.do_fancy_upsampling = FALSE; |
241 | |
784 | |
242 | while (cinfo.scale_denom < 8 |
785 | while (cinfo.scale_denom < 8 |
243 | && cinfo.output_width >= IW*4 |
786 | && cinfo.output_width >= iw*4 |
244 | && cinfo.output_height >= IH*4) |
787 | && cinfo.output_height >= ih*4) |
245 | { |
788 | { |
246 | cinfo.scale_denom <<= 1; |
789 | cinfo.scale_denom <<= 1; |
247 | jpeg_calc_output_dimensions (&cinfo); |
790 | jpeg_calc_output_dimensions (&cinfo); |
248 | } |
791 | } |
249 | } |
792 | } |
250 | |
793 | |
|
|
794 | if (cinfo.output_components != 3) |
|
|
795 | longjmp (jerr.setjmp_buffer, 3); |
|
|
796 | |
|
|
797 | if (cinfo.jpeg_color_space == JCS_YCCK || cinfo.jpeg_color_space == JCS_CMYK) |
|
|
798 | { |
|
|
799 | cinfo.out_color_space = JCS_CMYK; |
|
|
800 | cinfo.output_components = 4; |
|
|
801 | } |
|
|
802 | |
251 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height); |
803 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, cinfo.output_components == 4, 8, cinfo.output_width, cinfo.output_height); |
252 | if (!RETVAL) |
804 | if (!RETVAL) |
253 | longjmp (jerr.setjmp_buffer, 2); |
805 | longjmp (jerr.setjmp_buffer, 2); |
254 | |
806 | |
255 | data = gdk_pixbuf_get_pixels (RETVAL); |
807 | data = gdk_pixbuf_get_pixels (RETVAL); |
256 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
808 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
257 | |
|
|
258 | if (cinfo.output_components != 3) |
|
|
259 | longjmp (jerr.setjmp_buffer, 3); |
|
|
260 | |
809 | |
261 | jpeg_start_decompress (&cinfo); |
810 | jpeg_start_decompress (&cinfo); |
262 | |
811 | |
263 | while (cinfo.output_scanline < cinfo.output_height) |
812 | while (cinfo.output_scanline < cinfo.output_height) |
264 | { |
813 | { |
… | |
… | |
271 | rp [3] = (guchar *)rp [2] + rs; |
820 | rp [3] = (guchar *)rp [2] + rs; |
272 | |
821 | |
273 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
822 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
274 | } |
823 | } |
275 | |
824 | |
|
|
825 | if (cinfo.out_color_space == JCS_CMYK) |
|
|
826 | { |
|
|
827 | guchar *end = data + cinfo.output_height * rs; |
|
|
828 | |
|
|
829 | while (data < end) |
|
|
830 | { |
|
|
831 | U32 c = data [0]; |
|
|
832 | U32 m = data [1]; |
|
|
833 | U32 y = data [2]; |
|
|
834 | U32 k = data [3]; |
|
|
835 | |
|
|
836 | if (0) |
|
|
837 | if (cinfo.Adobe_transform == 2) |
|
|
838 | { |
|
|
839 | c ^= 0xff; |
|
|
840 | m ^= 0xff; |
|
|
841 | y ^= 0xff; |
|
|
842 | k ^= 0xff; |
|
|
843 | } |
|
|
844 | |
|
|
845 | data [0] = (c * k + 0x80) / 0xff; |
|
|
846 | data [1] = (m * k + 0x80) / 0xff; |
|
|
847 | data [2] = (y * k + 0x80) / 0xff; |
|
|
848 | data [3] = 0xff; |
|
|
849 | |
|
|
850 | data += 4; |
|
|
851 | } |
|
|
852 | } |
|
|
853 | |
276 | jpeg_finish_decompress (&cinfo); |
854 | jpeg_finish_decompress (&cinfo); |
277 | fclose (fp); |
|
|
278 | jpeg_destroy_decompress (&cinfo); |
855 | jpeg_destroy_decompress (&cinfo); |
|
|
856 | perlinterp_acquire (); |
279 | } |
857 | } |
280 | OUTPUT: |
858 | OUTPUT: |
281 | RETVAL |
859 | RETVAL |
282 | |
860 | |
|
|
861 | void |
|
|
862 | compare (GdkPixbuf *a, GdkPixbuf *b) |
|
|
863 | PPCODE: |
|
|
864 | perlinterp_release (); |
|
|
865 | { |
|
|
866 | int w = gdk_pixbuf_get_width (a); |
|
|
867 | int h = gdk_pixbuf_get_height (a); |
|
|
868 | |
|
|
869 | int sa = gdk_pixbuf_get_rowstride (a); |
|
|
870 | int sb = gdk_pixbuf_get_rowstride (b); |
|
|
871 | |
|
|
872 | guchar *pa = gdk_pixbuf_get_pixels (a); |
|
|
873 | guchar *pb = gdk_pixbuf_get_pixels (b); |
|
|
874 | |
|
|
875 | int x, y; |
|
|
876 | |
|
|
877 | assert (w == gdk_pixbuf_get_width (b)); |
|
|
878 | assert (h == gdk_pixbuf_get_height (b)); |
|
|
879 | |
|
|
880 | assert (gdk_pixbuf_get_n_channels (a) == 3); |
|
|
881 | assert (gdk_pixbuf_get_n_channels (b) == 3); |
|
|
882 | |
|
|
883 | double diff = 0.; |
|
|
884 | int peak = 0; |
|
|
885 | |
|
|
886 | if (w && h) |
|
|
887 | for (y = 0; y < h; y++) |
|
|
888 | { |
|
|
889 | guchar *pa_ = pa + y * sa; |
|
|
890 | guchar *pb_ = pb + y * sb; |
|
|
891 | |
|
|
892 | for (x = 0; x < w; x++) |
|
|
893 | { |
|
|
894 | int d; |
|
|
895 | |
|
|
896 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
897 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
898 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
|
|
899 | } |
|
|
900 | } |
|
|
901 | |
|
|
902 | perlinterp_acquire (); |
|
|
903 | |
|
|
904 | EXTEND (SP, 2); |
|
|
905 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
|
|
906 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
|
|
907 | } |
|
|
908 | |
283 | ############################################################################# |
909 | ############################################################################# |
284 | |
910 | |
285 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
911 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer |
|
|
912 | |
|
|
913 | # currently only works for filenames (octet strings) |
286 | |
914 | |
287 | SV * |
915 | SV * |
288 | foldcase (SV *pathsv) |
916 | foldcase (SV *pathsv) |
289 | PROTOTYPE: $ |
917 | PROTOTYPE: $ |
290 | CODE: |
918 | CODE: |
291 | { |
919 | { |
292 | STRLEN plen; |
920 | STRLEN plen; |
293 | U8 *path = SvPVutf8 (pathsv, plen); |
921 | U8 *path = (U8 *)SvPV (pathsv, plen); |
294 | U8 *pend = path + plen; |
922 | U8 *pend = path + plen; |
295 | U8 dst [plen * 6 * 3], *dstp = dst; |
923 | U8 dst [plen * 8 * 3], *dstp = dst; |
296 | |
924 | |
297 | while (path < pend) |
925 | while (path < pend) |
298 | { |
926 | { |
299 | U8 ch = *path; |
927 | U8 ch = *path; |
300 | |
928 | |
301 | if (ch >= 'a' && ch <= 'z') |
929 | if (ch >= 'a' && ch <= 'z') |
302 | *dstp++ = *path++; |
930 | *dstp++ = *path++; |
|
|
931 | else if (ch >= 'A' && ch <= 'Z') |
|
|
932 | *dstp++ = *path++ + ('a' - 'A'); |
303 | else if (ch >= '0' && ch <= '9') |
933 | else if (ch >= '0' && ch <= '9') |
304 | { |
934 | { |
|
|
935 | /* version sort, up to 8 digits */ |
305 | STRLEN el, nl = 0; |
936 | STRLEN el, nl = 0; |
306 | while (*path >= '0' && *path <= '9' && path < pend) |
937 | while (*path >= '0' && *path <= '9' && path < pend) |
307 | path++, nl++; |
938 | path++, nl++; |
308 | |
939 | |
309 | for (el = nl; el < 6; el++) |
940 | for (el = nl; el < 8; el++) |
310 | *dstp++ = '0'; |
941 | *dstp++ = '0'; |
311 | |
942 | |
312 | memcpy (dstp, path - nl, nl); |
943 | memcpy (dstp, path - nl, nl); |
313 | dstp += nl; |
944 | dstp += nl; |
314 | } |
945 | } |
|
|
946 | else |
|
|
947 | *dstp++ = *path++; |
|
|
948 | #if 0 |
315 | else |
949 | else |
316 | { |
950 | { |
317 | STRLEN cl; |
951 | STRLEN cl; |
318 | to_utf8_fold (path, dstp, &cl); |
952 | to_utf8_fold (path, dstp, &cl); |
319 | dstp += cl; |
953 | dstp += cl; |
320 | path += is_utf8_char (path); |
954 | path += is_utf8_char (path); |
321 | } |
955 | } |
|
|
956 | #endif |
322 | } |
957 | } |
323 | |
958 | |
324 | RETVAL = newSVpvn (dst, dstp - dst); |
959 | RETVAL = newSVpvn ((const char *)dst, dstp - dst); |
325 | } |
960 | } |
326 | OUTPUT: |
961 | OUTPUT: |
327 | RETVAL |
962 | RETVAL |
328 | |
963 | |
329 | GdkPixbuf_noinc * |
964 | GdkPixbuf_noinc * |
330 | p7_to_pb (int w, int h, guchar *src) |
965 | p7_to_pb (int w, int h, SV *src_sv) |
331 | PROTOTYPE: @ |
966 | PROTOTYPE: @ |
332 | CODE: |
967 | CODE: |
333 | { |
968 | { |
334 | int x, y; |
969 | int x, y; |
335 | guchar *dst, *d; |
970 | guchar *dst, *d; |
336 | int dstr; |
971 | int dstr; |
|
|
972 | guchar *src = (guchar *)SvPVbyte_nolen (src_sv); |
337 | |
973 | |
338 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
974 | RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); |
339 | dst = gdk_pixbuf_get_pixels (RETVAL); |
975 | dst = gdk_pixbuf_get_pixels (RETVAL); |
340 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
976 | dstr = gdk_pixbuf_get_rowstride (RETVAL); |
341 | |
977 | |
… | |
… | |
350 | } |
986 | } |
351 | } |
987 | } |
352 | OUTPUT: |
988 | OUTPUT: |
353 | RETVAL |
989 | RETVAL |
354 | |
990 | |
|
|
991 | ############################################################################# |
|
|
992 | |
|
|
993 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
994 | |
|
|
995 | void |
|
|
996 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
997 | CODE: |
|
|
998 | { |
|
|
999 | int w = gdk_pixbuf_get_width (pb); |
|
|
1000 | int h = gdk_pixbuf_get_height (pb); |
|
|
1001 | int x, y, i; |
|
|
1002 | guchar *dst; |
|
|
1003 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
1004 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
1005 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
1006 | |
|
|
1007 | a85_init (); |
|
|
1008 | |
|
|
1009 | for (y = 0; y < h; y++) |
|
|
1010 | for (x = 0; x < w; x++) |
|
|
1011 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
1012 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
1013 | |
|
|
1014 | a85_finish (fp); |
|
|
1015 | } |
|
|
1016 | |
|
|
1017 | void |
|
|
1018 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
1019 | CODE: |
|
|
1020 | { |
|
|
1021 | int w = gdk_pixbuf_get_width (pb); |
|
|
1022 | int h = gdk_pixbuf_get_height (pb); |
|
|
1023 | int x, y, i; |
|
|
1024 | guchar *dst; |
|
|
1025 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
1026 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
1027 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
1028 | |
|
|
1029 | for (y = 0; y < h; y++) |
|
|
1030 | for (x = 0; x < w; x++) |
|
|
1031 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
1032 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
1033 | } |
|
|
1034 | |
|
|
1035 | ############################################################################# |
|
|
1036 | |
|
|
1037 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
1038 | |
355 | SV * |
1039 | SV * |
356 | pb_to_p7 (GdkPixbuf *pb) |
1040 | pb_to_hv84 (GdkPixbuf *pb) |
357 | CODE: |
1041 | CODE: |
358 | { |
1042 | { |
359 | int w = gdk_pixbuf_get_width (pb); |
1043 | int w = gdk_pixbuf_get_width (pb); |
360 | int h = gdk_pixbuf_get_height (pb); |
1044 | int h = gdk_pixbuf_get_height (pb); |
361 | int x, y; |
1045 | int x, y; |
362 | guchar *dst; |
1046 | guchar *dst; |
363 | int bpp = gdk_pixbuf_get_n_channels (pb); |
1047 | int bpp = gdk_pixbuf_get_n_channels (pb); |
364 | guchar *src = gdk_pixbuf_get_pixels (pb); |
1048 | guchar *src = gdk_pixbuf_get_pixels (pb); |
365 | int sstr = gdk_pixbuf_get_rowstride (pb); |
1049 | int sstr = gdk_pixbuf_get_rowstride (pb); |
366 | int Er[IW], Eg[IW], Eb[IW]; |
|
|
367 | int seed = 77; |
|
|
368 | |
|
|
369 | RETVAL = newSV (w * h); |
|
|
370 | SvPOK_only (RETVAL); |
|
|
371 | SvCUR_set (RETVAL, w * h); |
|
|
372 | |
|
|
373 | dst = SvPVX (RETVAL); |
|
|
374 | |
|
|
375 | memset (Er, 0, sizeof (int) * IW); |
|
|
376 | memset (Eg, 0, sizeof (int) * IW); |
|
|
377 | memset (Eb, 0, sizeof (int) * IW); |
|
|
378 | |
|
|
379 | /* some primitive error distribution + random dithering */ |
|
|
380 | |
|
|
381 | for (y = 0; y < h; y++) |
|
|
382 | { |
|
|
383 | int er = 0, eg = 0, eb = 0; |
|
|
384 | |
|
|
385 | for (x = 0; x < w; x++) |
|
|
386 | { |
|
|
387 | int r, g, b; |
|
|
388 | guchar *p = src + x * bpp + y * sstr; |
|
|
389 | |
|
|
390 | r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
391 | g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; |
|
|
392 | b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; |
|
|
393 | |
|
|
394 | r = r > 7 ? 7 : r < 0 ? 0 : r; |
|
|
395 | g = g > 7 ? 7 : g < 0 ? 0 : g; |
|
|
396 | b = b > 3 ? 3 : b < 0 ? 0 : b; |
|
|
397 | |
|
|
398 | er += p[0] - (r * 255 + 4) / 7; |
|
|
399 | eg += p[1] - (g * 255 + 4) / 7; |
|
|
400 | eb += p[2] - (b * 255 + 2) / 3; |
|
|
401 | |
|
|
402 | Er[x] = er >> 1; er -= (er + 1) >> 1; |
|
|
403 | Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; |
|
|
404 | Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; |
|
|
405 | |
|
|
406 | *dst++ = r << 5 | g << 2 | b; |
|
|
407 | } |
|
|
408 | } |
|
|
409 | } |
|
|
410 | OUTPUT: |
|
|
411 | RETVAL |
|
|
412 | |
|
|
413 | ############################################################################# |
|
|
414 | |
|
|
415 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript |
|
|
416 | |
|
|
417 | void |
|
|
418 | dump_ascii85 (PerlIO *fp, GdkPixbuf *pb) |
|
|
419 | CODE: |
|
|
420 | { |
|
|
421 | int w = gdk_pixbuf_get_width (pb); |
|
|
422 | int h = gdk_pixbuf_get_height (pb); |
|
|
423 | int x, y, i; |
|
|
424 | guchar *dst; |
|
|
425 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
426 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
427 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
428 | |
|
|
429 | a85_init (); |
|
|
430 | |
|
|
431 | for (y = 0; y < h; y++) |
|
|
432 | for (x = 0; x < w; x++) |
|
|
433 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
434 | a85_push (fp, src [x * bpp + y * sstr + i]); |
|
|
435 | |
|
|
436 | a85_finish (fp); |
|
|
437 | } |
|
|
438 | |
|
|
439 | void |
|
|
440 | dump_binary (PerlIO *fp, GdkPixbuf *pb) |
|
|
441 | CODE: |
|
|
442 | { |
|
|
443 | int w = gdk_pixbuf_get_width (pb); |
|
|
444 | int h = gdk_pixbuf_get_height (pb); |
|
|
445 | int x, y, i; |
|
|
446 | guchar *dst; |
|
|
447 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
448 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
449 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
450 | |
|
|
451 | for (y = 0; y < h; y++) |
|
|
452 | for (x = 0; x < w; x++) |
|
|
453 | for (i = 0; i < (bpp < 3 ? 1 : 3); i++) |
|
|
454 | PerlIO_putc (fp, src [x * bpp + y * sstr + i]); |
|
|
455 | } |
|
|
456 | |
|
|
457 | ############################################################################# |
|
|
458 | |
|
|
459 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV |
|
|
460 | |
|
|
461 | SV * |
|
|
462 | pb_to_hv84 (GdkPixbuf *pb) |
|
|
463 | CODE: |
|
|
464 | { |
|
|
465 | int w = gdk_pixbuf_get_width (pb); |
|
|
466 | int h = gdk_pixbuf_get_height (pb); |
|
|
467 | int x, y; |
|
|
468 | guchar *dst; |
|
|
469 | int bpp = gdk_pixbuf_get_n_channels (pb); |
|
|
470 | guchar *src = gdk_pixbuf_get_pixels (pb); |
|
|
471 | int sstr = gdk_pixbuf_get_rowstride (pb); |
|
|
472 | |
1050 | |
473 | RETVAL = newSV (6 * 8 * 12 / 8); |
1051 | RETVAL = newSV (6 * 8 * 12 / 8); |
474 | SvPOK_only (RETVAL); |
1052 | SvPOK_only (RETVAL); |
475 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
1053 | SvCUR_set (RETVAL, 6 * 8 * 12 / 8); |
476 | |
1054 | |
477 | dst = SvPVX (RETVAL); |
1055 | dst = (guchar *)SvPVX (RETVAL); |
478 | |
1056 | |
479 | /* some primitive error distribution + random dithering */ |
1057 | /* some primitive error distribution + random dithering */ |
480 | |
1058 | |
481 | for (y = 0; y < h; y++) |
1059 | for (y = 0; y < h; y++) |
482 | { |
1060 | { |
… | |
… | |
545 | ############################################################################# |
1123 | ############################################################################# |
546 | |
1124 | |
547 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
1125 | MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster |
548 | |
1126 | |
549 | SV * |
1127 | SV * |
550 | make_histograms (SV *ar) |
1128 | extract_features (SV *ar) |
551 | CODE: |
1129 | CODE: |
552 | { |
1130 | { |
553 | int i; |
1131 | int i; |
554 | AV *av, *result; |
1132 | AV *av, *result; |
555 | |
1133 | |
556 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
1134 | if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV) |
557 | croak ("Not an array ref as first argument to make_histogram"); |
1135 | croak ("Not an array ref as first argument to extract_features"); |
558 | |
1136 | |
559 | av = (AV *) SvRV (ar); |
1137 | av = (AV *) SvRV (ar); |
560 | result = newAV (); |
1138 | result = newAV (); |
561 | |
1139 | |
562 | for (i = 0; i <= av_len (av); ++i) |
1140 | for (i = 0; i <= av_len (av); ++i) |
563 | { |
1141 | { |
564 | const int HISTSIZE = 64; |
|
|
565 | |
|
|
566 | int j; |
|
|
567 | SV *sv = *av_fetch (av, i, 1); |
1142 | SV *sv = *av_fetch (av, i, 1); |
568 | STRLEN len; |
|
|
569 | char *buf = SvPVbyte (sv, len); |
|
|
570 | |
|
|
571 | int tmphist[HISTSIZE]; |
|
|
572 | float *hist; |
|
|
573 | |
|
|
574 | SV *histsv = newSV (HISTSIZE * sizeof (float) + 1); |
1143 | SV *histsv = newSV (9 * sizeof (float) + 1); |
|
|
1144 | |
575 | SvPOK_on (histsv); |
1145 | SvPOK_on (histsv); |
576 | SvCUR_set (histsv, HISTSIZE * sizeof (float)); |
1146 | SvCUR_set (histsv, 9 * sizeof (float)); |
577 | hist = (float *)SvPVX (histsv); |
1147 | float *hist = (float *)SvPVX (histsv); |
578 | |
1148 | |
579 | Zero (tmphist, sizeof (tmphist), char); |
1149 | struct feature f_h, f_s, f_v; |
|
|
1150 | feature_init (&f_h); |
|
|
1151 | feature_init (&f_s); |
|
|
1152 | feature_init (&f_v); |
580 | |
1153 | |
581 | for (j = len; j--; ) |
|
|
582 | { |
|
|
583 | unsigned int idx |
|
|
584 | = ((*buf & 0xc0) >> 2) |
|
|
585 | | ((*buf & 0x18) >> 1) |
|
|
586 | | (*buf & 0x03); |
|
|
587 | |
|
|
588 | ++tmphist[idx]; |
|
|
589 | ++buf; |
|
|
590 | } |
|
|
591 | |
1154 | { |
592 | for (j = 0; j < HISTSIZE; ++j) |
1155 | STRLEN len; |
593 | hist[j] = (float)tmphist[j] / (len + 1e-30); |
1156 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
1157 | while (len >= 3) |
|
|
1158 | { |
|
|
1159 | unsigned int r, g, b, h, s, v; |
|
|
1160 | r = *buf++; g = *buf++; b = *buf++; |
|
|
1161 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
1162 | |
|
|
1163 | feature_update_pass_1 (&f_h, h); |
|
|
1164 | feature_update_pass_1 (&f_s, s); |
|
|
1165 | feature_update_pass_1 (&f_v, v); |
|
|
1166 | |
|
|
1167 | len -= 3; |
|
|
1168 | } |
|
|
1169 | |
|
|
1170 | feature_finish_pass_1 (&f_h); |
|
|
1171 | feature_finish_pass_1 (&f_s); |
|
|
1172 | feature_finish_pass_1 (&f_v); |
|
|
1173 | } |
|
|
1174 | |
|
|
1175 | { |
|
|
1176 | STRLEN len; |
|
|
1177 | unsigned char *buf = (unsigned char *)SvPVbyte (sv, len); |
|
|
1178 | while (len >= 3) |
|
|
1179 | { |
|
|
1180 | unsigned int r, g, b, h, s, v; |
|
|
1181 | r = *buf++; g = *buf++; b = *buf++; |
|
|
1182 | rgb_to_hsv (r, g, b, &h, &s, &v); |
|
|
1183 | |
|
|
1184 | feature_update_pass_2 (&f_h, h); |
|
|
1185 | feature_update_pass_2 (&f_s, s); |
|
|
1186 | feature_update_pass_2 (&f_v, v); |
|
|
1187 | |
|
|
1188 | len -= 3; |
|
|
1189 | } |
|
|
1190 | |
|
|
1191 | feature_finish_pass_2 (&f_h); |
|
|
1192 | feature_finish_pass_2 (&f_s); |
|
|
1193 | feature_finish_pass_2 (&f_v); |
|
|
1194 | } |
|
|
1195 | |
|
|
1196 | hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.; |
|
|
1197 | hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ; |
|
|
1198 | hist [6] = f_v.v1 * .5; hist [7] = f_v.v2 * .5; hist [8] = f_v.v3 * .5; |
594 | |
1199 | |
595 | av_push (result, histsv); |
1200 | av_push (result, histsv); |
596 | } |
1201 | } |
597 | |
1202 | |
598 | RETVAL = newRV_noinc ((SV *)result); |
1203 | RETVAL = newRV_noinc ((SV *)result); |
599 | } |
1204 | } |
600 | OUTPUT: |
1205 | OUTPUT: |
601 | RETVAL |
1206 | RETVAL |
602 | |
1207 | |
603 | |
|
|