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16 | #include <gperl.h> |
16 | #include <gperl.h> |
17 | #include <gtk2perl.h> |
17 | #include <gtk2perl.h> |
18 | |
18 | |
19 | #include <assert.h> |
19 | #include <assert.h> |
20 | |
20 | |
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21 | #include "perlmulticore.h" |
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22 | |
21 | #define IW 80 /* MUST match Schnauzer.pm! */ |
23 | #define IW 80 /* MUST match Schnauzer.pm! */ |
22 | #define IH 60 /* MUST match Schnauzer.pm! */ |
24 | #define IH 60 /* MUST match Schnauzer.pm! */ |
23 | |
25 | |
24 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
26 | #define RAND (seed = (seed + 7141) * 54773 % 134456) |
25 | |
27 | |
… | |
… | |
36 | }; |
38 | }; |
37 | |
39 | |
38 | static void |
40 | static void |
39 | cv_error_exit (j_common_ptr cinfo) |
41 | cv_error_exit (j_common_ptr cinfo) |
40 | { |
42 | { |
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|
43 | cinfo->err->output_message (cinfo); |
41 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
44 | longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99); |
42 | } |
45 | } |
43 | |
46 | |
44 | static void |
47 | static void |
45 | cv_error_output (j_common_ptr cinfo) |
48 | cv_error_output (j_common_ptr cinfo) |
46 | { |
49 | { |
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50 | char msg[JMSG_LENGTH_MAX]; |
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51 | |
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52 | cinfo->err->format_message (cinfo, msg); |
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53 | |
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54 | fprintf (stderr, "JPEG decoding error: %s\n", msg); |
47 | return; |
55 | return; |
48 | } |
56 | } |
49 | |
57 | |
50 | static void |
58 | static void |
51 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
59 | rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b, |
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148 | if (!--a85_cnt) |
156 | if (!--a85_cnt) |
149 | { |
157 | { |
150 | a85_cnt = 4; |
158 | a85_cnt = 4; |
151 | if (a85_val) |
159 | if (a85_val) |
152 | { |
160 | { |
153 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
161 | a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85; |
154 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
162 | a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85; |
155 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
163 | a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85; |
156 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
164 | a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85; |
157 | a85_ptr[0] = (a85_val ) + 33; |
165 | a85_ptr[0] = (a85_val ) + 33; |
158 | |
166 | |
159 | a85_ptr += 5; |
167 | a85_ptr += 5; |
160 | } |
168 | } |
… | |
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242 | magic_load (cookie, 0); |
250 | magic_load (cookie, 0); |
243 | else |
251 | else |
244 | XSRETURN_UNDEF; |
252 | XSRETURN_UNDEF; |
245 | } |
253 | } |
246 | |
254 | |
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|
255 | perlinterp_release (); |
247 | RETVAL = magic_file (cookie, path); |
256 | RETVAL = magic_file (cookie, path); |
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257 | perlinterp_acquire (); |
248 | } |
258 | } |
249 | OUTPUT: |
259 | OUTPUT: |
250 | RETVAL |
260 | RETVAL |
251 | |
261 | |
252 | # missing/broken in Gtk2 perl module |
262 | # missing/broken in Gtk2 perl module |
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… | |
268 | RETVAL |
278 | RETVAL |
269 | |
279 | |
270 | GdkPixbuf_noinc * |
280 | GdkPixbuf_noinc * |
271 | dealpha_expose (GdkPixbuf *pb) |
281 | dealpha_expose (GdkPixbuf *pb) |
272 | CODE: |
282 | CODE: |
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283 | perlinterp_release (); |
273 | { |
284 | { |
274 | int w = gdk_pixbuf_get_width (pb); |
285 | int w = gdk_pixbuf_get_width (pb); |
275 | int h = gdk_pixbuf_get_height (pb); |
286 | int h = gdk_pixbuf_get_height (pb); |
276 | int bpp = gdk_pixbuf_get_n_channels (pb); |
287 | int bpp = gdk_pixbuf_get_n_channels (pb); |
277 | int x, y, i; |
288 | int x, y, i; |
… | |
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286 | for (x = 0; x < w; x++) |
297 | for (x = 0; x < w; x++) |
287 | for (y = 0; y < h; y++) |
298 | for (y = 0; y < h; y++) |
288 | for (i = 0; i < 3; i++) |
299 | for (i = 0; i < 3; i++) |
289 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
300 | dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; |
290 | } |
301 | } |
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302 | perlinterp_acquire (); |
291 | OUTPUT: |
303 | OUTPUT: |
292 | RETVAL |
304 | RETVAL |
293 | |
305 | |
294 | GdkPixbuf_noinc * |
306 | GdkPixbuf_noinc * |
295 | rotate (GdkPixbuf *pb, int angle) |
307 | rotate (GdkPixbuf *pb, int angle) |
296 | CODE: |
308 | CODE: |
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309 | perlinterp_release (); |
297 | if (angle < 0) |
310 | if (angle < 0) |
298 | angle += 360; |
311 | angle += 360; |
299 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
312 | RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE |
300 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
313 | : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE |
301 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
314 | : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN |
302 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
315 | : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE |
303 | : angle); |
316 | : angle); |
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317 | perlinterp_acquire (); |
304 | OUTPUT: |
318 | OUTPUT: |
305 | RETVAL |
319 | RETVAL |
306 | |
320 | |
307 | GdkPixbuf_noinc * |
321 | GdkPixbuf_noinc * |
308 | load_jpeg (SV *path, int thumbnail=0) |
322 | load_jpeg (SV *path, int thumbnail = 0, int iw = 0, int ih = 0) |
309 | CODE: |
323 | CODE: |
310 | { |
324 | { |
311 | struct jpeg_decompress_struct cinfo; |
325 | struct jpeg_decompress_struct cinfo; |
312 | struct jpg_err_mgr jerr; |
326 | struct jpg_err_mgr jerr; |
313 | guchar *data; |
327 | guchar *data; |
… | |
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320 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
334 | fp = fopen (SvPVbyte_nolen (path), "rb"); |
321 | |
335 | |
322 | if (!fp) |
336 | if (!fp) |
323 | XSRETURN_UNDEF; |
337 | XSRETURN_UNDEF; |
324 | |
338 | |
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339 | perlinterp_release (); |
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340 | |
325 | cinfo.err = jpeg_std_error (&jerr.err); |
341 | cinfo.err = jpeg_std_error (&jerr.err); |
326 | |
342 | |
327 | jerr.err.error_exit = cv_error_exit; |
343 | jerr.err.error_exit = cv_error_exit; |
328 | jerr.err.output_message = cv_error_output; |
344 | jerr.err.output_message = cv_error_output; |
329 | |
345 | |
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333 | jpeg_destroy_decompress (&cinfo); |
349 | jpeg_destroy_decompress (&cinfo); |
334 | |
350 | |
335 | if (pb) |
351 | if (pb) |
336 | g_object_unref ((gpointer)pb); |
352 | g_object_unref ((gpointer)pb); |
337 | |
353 | |
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354 | perlinterp_acquire (); |
338 | XSRETURN_UNDEF; |
355 | XSRETURN_UNDEF; |
339 | } |
356 | } |
340 | |
357 | |
341 | jpeg_create_decompress (&cinfo); |
358 | jpeg_create_decompress (&cinfo); |
342 | |
359 | |
… | |
… | |
358 | { |
375 | { |
359 | cinfo.dct_method = JDCT_FASTEST; |
376 | cinfo.dct_method = JDCT_FASTEST; |
360 | cinfo.do_fancy_upsampling = FALSE; |
377 | cinfo.do_fancy_upsampling = FALSE; |
361 | |
378 | |
362 | while (cinfo.scale_denom < 8 |
379 | while (cinfo.scale_denom < 8 |
363 | && cinfo.output_width >= IW*4 |
380 | && cinfo.output_width >= iw*4 |
364 | && cinfo.output_height >= IH*4) |
381 | && cinfo.output_height >= ih*4) |
365 | { |
382 | { |
366 | cinfo.scale_denom <<= 1; |
383 | cinfo.scale_denom <<= 1; |
367 | jpeg_calc_output_dimensions (&cinfo); |
384 | jpeg_calc_output_dimensions (&cinfo); |
368 | } |
385 | } |
369 | } |
386 | } |
370 | |
387 | |
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388 | if (cinfo.output_components != 3) |
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389 | longjmp (jerr.setjmp_buffer, 3); |
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390 | |
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391 | if (cinfo.jpeg_color_space == JCS_YCCK || cinfo.jpeg_color_space == JCS_CMYK) |
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392 | { |
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393 | cinfo.out_color_space = JCS_CMYK; |
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394 | cinfo.output_components = 4; |
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395 | } |
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396 | |
371 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height); |
397 | pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, cinfo.output_components == 4, 8, cinfo.output_width, cinfo.output_height); |
372 | if (!RETVAL) |
398 | if (!RETVAL) |
373 | longjmp (jerr.setjmp_buffer, 2); |
399 | longjmp (jerr.setjmp_buffer, 2); |
374 | |
400 | |
375 | data = gdk_pixbuf_get_pixels (RETVAL); |
401 | data = gdk_pixbuf_get_pixels (RETVAL); |
376 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
402 | rs = gdk_pixbuf_get_rowstride (RETVAL); |
377 | |
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378 | if (cinfo.output_components != 3) |
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379 | longjmp (jerr.setjmp_buffer, 3); |
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380 | |
403 | |
381 | jpeg_start_decompress (&cinfo); |
404 | jpeg_start_decompress (&cinfo); |
382 | |
405 | |
383 | while (cinfo.output_scanline < cinfo.output_height) |
406 | while (cinfo.output_scanline < cinfo.output_height) |
384 | { |
407 | { |
… | |
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391 | rp [3] = (guchar *)rp [2] + rs; |
414 | rp [3] = (guchar *)rp [2] + rs; |
392 | |
415 | |
393 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
416 | jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4); |
394 | } |
417 | } |
395 | |
418 | |
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419 | if (cinfo.out_color_space == JCS_CMYK) |
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420 | { |
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421 | guchar *end = data + cinfo.output_height * rs; |
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422 | |
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423 | while (data < end) |
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424 | { |
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425 | U32 c = data [0]; |
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426 | U32 m = data [1]; |
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427 | U32 y = data [2]; |
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428 | U32 k = data [3]; |
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429 | |
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430 | if (0) |
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431 | if (cinfo.Adobe_transform == 2) |
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432 | { |
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433 | c ^= 0xff; |
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434 | m ^= 0xff; |
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435 | y ^= 0xff; |
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436 | k ^= 0xff; |
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437 | } |
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438 | |
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439 | data [0] = (c * k + 0x80) / 0xff; |
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440 | data [1] = (m * k + 0x80) / 0xff; |
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441 | data [2] = (y * k + 0x80) / 0xff; |
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442 | data [3] = 0xff; |
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443 | |
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444 | data += 4; |
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445 | } |
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446 | } |
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447 | |
396 | jpeg_finish_decompress (&cinfo); |
448 | jpeg_finish_decompress (&cinfo); |
397 | fclose (fp); |
449 | fclose (fp); |
398 | jpeg_destroy_decompress (&cinfo); |
450 | jpeg_destroy_decompress (&cinfo); |
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451 | perlinterp_acquire (); |
399 | } |
452 | } |
400 | OUTPUT: |
453 | OUTPUT: |
401 | RETVAL |
454 | RETVAL |
402 | |
455 | |
403 | void |
456 | void |
404 | compare (GdkPixbuf *a, GdkPixbuf *b) |
457 | compare (GdkPixbuf *a, GdkPixbuf *b) |
405 | PPCODE: |
458 | PPCODE: |
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459 | perlinterp_release (); |
406 | { |
460 | { |
407 | int w = gdk_pixbuf_get_width (a); |
461 | int w = gdk_pixbuf_get_width (a); |
408 | int h = gdk_pixbuf_get_height (a); |
462 | int h = gdk_pixbuf_get_height (a); |
409 | |
463 | |
410 | int sa = gdk_pixbuf_get_rowstride (a); |
464 | int sa = gdk_pixbuf_get_rowstride (a); |
… | |
… | |
437 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
491 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
438 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
492 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
439 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
493 | d = ((int)*pa_++) - ((int)*pb_++); diff += d*d; peak = MAX (peak, abs (d)); |
440 | } |
494 | } |
441 | } |
495 | } |
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496 | |
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497 | perlinterp_acquire (); |
442 | |
498 | |
443 | EXTEND (SP, 2); |
499 | EXTEND (SP, 2); |
444 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
500 | PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.))))); |
445 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
501 | PUSHs (sv_2mortal (newSVnv (peak / 255.))); |
446 | } |
502 | } |