1 | /*****************************************************************************/ |
2 | // Copyright 2006-2008 Adobe Systems Incorporated |
3 | // All Rights Reserved. |
4 | // |
5 | // NOTICE: Adobe permits you to use, modify, and distribute this file in |
6 | // accordance with the terms of the Adobe license agreement accompanying it. |
7 | /*****************************************************************************/ |
8 | |
9 | /* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_pixel_buffer.cpp#1 $ */ |
10 | /* $DateTime: 2012/05/30 13:28:51 $ */ |
11 | /* $Change: 832332 $ */ |
12 | /* $Author: tknoll $ */ |
13 | |
14 | /*****************************************************************************/ |
15 | |
16 | #include "dng_pixel_buffer.h" |
17 | |
18 | #include "dng_bottlenecks.h" |
19 | #include "dng_exceptions.h" |
20 | #include "dng_flags.h" |
21 | #include "dng_safe_arithmetic.h" |
22 | #include "dng_tag_types.h" |
23 | #include "dng_tag_values.h" |
24 | #include "dng_utils.h" |
25 | |
26 | /*****************************************************************************/ |
27 | |
28 | namespace { |
29 | |
30 | bool SafeUint32ToInt32Mult(uint32 arg1, uint32 arg2, int32 *result) { |
31 | uint32 uint32_result; |
32 | return SafeUint32Mult(arg1, arg2, &uint32_result) && |
33 | ConvertUint32ToInt32(uint32_result, result); |
34 | } |
35 | |
36 | } // namespace |
37 | |
38 | /*****************************************************************************/ |
39 | |
40 | void OptimizeOrder (const void *&sPtr, |
41 | void *&dPtr, |
42 | uint32 sPixelSize, |
43 | uint32 dPixelSize, |
44 | uint32 &count0, |
45 | uint32 &count1, |
46 | uint32 &count2, |
47 | int32 &sStep0, |
48 | int32 &sStep1, |
49 | int32 &sStep2, |
50 | int32 &dStep0, |
51 | int32 &dStep1, |
52 | int32 &dStep2) |
53 | { |
54 | |
55 | uint32 step0; |
56 | uint32 step1; |
57 | uint32 step2; |
58 | |
59 | // Optimize the order for the data that is most spread out. |
60 | |
61 | uint32 sRange = Abs_int32 (sStep0) * (count0 - 1) + |
62 | Abs_int32 (sStep1) * (count1 - 1) + |
63 | Abs_int32 (sStep2) * (count2 - 1); |
64 | |
65 | uint32 dRange = Abs_int32 (dStep0) * (count0 - 1) + |
66 | Abs_int32 (dStep1) * (count1 - 1) + |
67 | Abs_int32 (dStep2) * (count2 - 1); |
68 | |
69 | if (dRange >= sRange) |
70 | { |
71 | |
72 | if (dStep0 < 0) |
73 | { |
74 | |
75 | sPtr = (const void *) |
76 | (((const uint8 *) sPtr) + (int32)(count0 - 1) * sStep0 * (int32)sPixelSize); |
77 | |
78 | dPtr = (void *) |
79 | (((uint8 *) dPtr) + (int32)(count0 - 1) * dStep0 * (int32)dPixelSize); |
80 | |
81 | sStep0 = -sStep0; |
82 | dStep0 = -dStep0; |
83 | |
84 | } |
85 | |
86 | if (dStep1 < 0) |
87 | { |
88 | |
89 | sPtr = (const void *) |
90 | (((const uint8 *) sPtr) + (int32)(count1 - 1) * sStep1 * (int32)sPixelSize); |
91 | |
92 | dPtr = (void *) |
93 | (((uint8 *) dPtr) + (int32)(count1 - 1) * dStep1 * (int32)dPixelSize); |
94 | |
95 | sStep1 = -sStep1; |
96 | dStep1 = -dStep1; |
97 | |
98 | } |
99 | |
100 | if (dStep2 < 0) |
101 | { |
102 | |
103 | sPtr = (const void *) |
104 | (((const uint8 *) sPtr) + (int32)(count2 - 1) * sStep2 * (int32)sPixelSize); |
105 | |
106 | dPtr = (void *) |
107 | (((uint8 *) dPtr) + (int32)(count2 - 1) * dStep2 * (int32)dPixelSize); |
108 | |
109 | sStep2 = -sStep2; |
110 | dStep2 = -dStep2; |
111 | |
112 | } |
113 | |
114 | step0 = (uint32) dStep0; |
115 | step1 = (uint32) dStep1; |
116 | step2 = (uint32) dStep2; |
117 | |
118 | } |
119 | |
120 | else |
121 | { |
122 | |
123 | if (sStep0 < 0) |
124 | { |
125 | |
126 | sPtr = (const void *) |
127 | (((const uint8 *) sPtr) + (int32)(count0 - 1) * sStep0 * (int32)sPixelSize); |
128 | |
129 | dPtr = (void *) |
130 | (((uint8 *) dPtr) + (int32)(count0 - 1) * dStep0 * (int32)dPixelSize); |
131 | |
132 | sStep0 = -sStep0; |
133 | dStep0 = -dStep0; |
134 | |
135 | } |
136 | |
137 | if (sStep1 < 0) |
138 | { |
139 | |
140 | sPtr = (const void *) |
141 | (((const uint8 *) sPtr) + (int32)(count1 - 1) * sStep1 * (int32)sPixelSize); |
142 | |
143 | dPtr = (void *) |
144 | (((uint8 *) dPtr) + (int32)(count1 - 1) * dStep1 * (int32)dPixelSize); |
145 | |
146 | sStep1 = -sStep1; |
147 | dStep1 = -dStep1; |
148 | |
149 | } |
150 | |
151 | if (sStep2 < 0) |
152 | { |
153 | |
154 | sPtr = (const void *) |
155 | (((const uint8 *) sPtr) + (int32)(count2 - 1) * sStep2 * (int32)sPixelSize); |
156 | |
157 | dPtr = (void *) |
158 | (((uint8 *) dPtr) + (int32)(count2 - 1) * dStep2 * (int32)dPixelSize); |
159 | |
160 | sStep2 = -sStep2; |
161 | dStep2 = -dStep2; |
162 | |
163 | } |
164 | |
165 | step0 = (uint32) sStep0; |
166 | step1 = (uint32) sStep1; |
167 | step2 = (uint32) sStep2; |
168 | |
169 | } |
170 | |
171 | if (count0 == 1) step0 = 0xFFFFFFFF; |
172 | if (count1 == 1) step1 = 0xFFFFFFFF; |
173 | if (count2 == 1) step2 = 0xFFFFFFFF; |
174 | |
175 | uint32 index0; |
176 | uint32 index1; |
177 | uint32 index2; |
178 | |
179 | if (step0 >= step1) |
180 | { |
181 | |
182 | if (step1 >= step2) |
183 | { |
184 | index0 = 0; |
185 | index1 = 1; |
186 | index2 = 2; |
187 | } |
188 | |
189 | else if (step2 >= step0) |
190 | { |
191 | index0 = 2; |
192 | index1 = 0; |
193 | index2 = 1; |
194 | } |
195 | |
196 | else |
197 | { |
198 | index0 = 0; |
199 | index1 = 2; |
200 | index2 = 1; |
201 | } |
202 | |
203 | } |
204 | |
205 | else |
206 | { |
207 | |
208 | if (step0 >= step2) |
209 | { |
210 | index0 = 1; |
211 | index1 = 0; |
212 | index2 = 2; |
213 | } |
214 | |
215 | else if (step2 >= step1) |
216 | { |
217 | index0 = 2; |
218 | index1 = 1; |
219 | index2 = 0; |
220 | } |
221 | |
222 | else |
223 | { |
224 | index0 = 1; |
225 | index1 = 2; |
226 | index2 = 0; |
227 | } |
228 | |
229 | } |
230 | |
231 | uint32 count [3]; |
232 | |
233 | count [0] = count0; |
234 | count [1] = count1; |
235 | count [2] = count2; |
236 | |
237 | count0 = count [index0]; |
238 | count1 = count [index1]; |
239 | count2 = count [index2]; |
240 | |
241 | int32 step [3]; |
242 | |
243 | step [0] = sStep0; |
244 | step [1] = sStep1; |
245 | step [2] = sStep2; |
246 | |
247 | sStep0 = step [index0]; |
248 | sStep1 = step [index1]; |
249 | sStep2 = step [index2]; |
250 | |
251 | step [0] = dStep0; |
252 | step [1] = dStep1; |
253 | step [2] = dStep2; |
254 | |
255 | dStep0 = step [index0]; |
256 | dStep1 = step [index1]; |
257 | dStep2 = step [index2]; |
258 | |
259 | if (sStep0 == ((int32) count1) * sStep1 && |
260 | dStep0 == ((int32) count1) * dStep1) |
261 | { |
262 | count1 *= count0; |
263 | count0 = 1; |
264 | } |
265 | |
266 | if (sStep1 == ((int32) count2) * sStep2 && |
267 | dStep1 == ((int32) count2) * dStep2) |
268 | { |
269 | count2 *= count1; |
270 | count1 = 1; |
271 | } |
272 | |
273 | } |
274 | |
275 | /*****************************************************************************/ |
276 | |
277 | void OptimizeOrder (const void *&sPtr, |
278 | uint32 sPixelSize, |
279 | uint32 &count0, |
280 | uint32 &count1, |
281 | uint32 &count2, |
282 | int32 &sStep0, |
283 | int32 &sStep1, |
284 | int32 &sStep2) |
285 | { |
286 | |
287 | void *dPtr = NULL; |
288 | |
289 | int32 dStep0 = sStep0; |
290 | int32 dStep1 = sStep1; |
291 | int32 dStep2 = sStep2; |
292 | |
293 | OptimizeOrder (sPtr, |
294 | dPtr, |
295 | sPixelSize, |
296 | sPixelSize, |
297 | count0, |
298 | count1, |
299 | count2, |
300 | sStep0, |
301 | sStep1, |
302 | sStep2, |
303 | dStep0, |
304 | dStep1, |
305 | dStep2); |
306 | |
307 | } |
308 | |
309 | /*****************************************************************************/ |
310 | |
311 | void OptimizeOrder (void *&dPtr, |
312 | uint32 dPixelSize, |
313 | uint32 &count0, |
314 | uint32 &count1, |
315 | uint32 &count2, |
316 | int32 &dStep0, |
317 | int32 &dStep1, |
318 | int32 &dStep2) |
319 | { |
320 | |
321 | const void *sPtr = NULL; |
322 | |
323 | int32 sStep0 = dStep0; |
324 | int32 sStep1 = dStep1; |
325 | int32 sStep2 = dStep2; |
326 | |
327 | OptimizeOrder (sPtr, |
328 | dPtr, |
329 | dPixelSize, |
330 | dPixelSize, |
331 | count0, |
332 | count1, |
333 | count2, |
334 | sStep0, |
335 | sStep1, |
336 | sStep2, |
337 | dStep0, |
338 | dStep1, |
339 | dStep2); |
340 | |
341 | } |
342 | |
343 | /*****************************************************************************/ |
344 | |
345 | dng_pixel_buffer::dng_pixel_buffer () |
346 | |
347 | : fArea () |
348 | , fPlane (0) |
349 | , fPlanes (1) |
350 | , fRowStep (1) |
351 | , fColStep (1) |
352 | , fPlaneStep (1) |
353 | , fPixelType (ttUndefined) |
354 | , fPixelSize (0) |
355 | , fData (NULL) |
356 | , fDirty (true) |
357 | |
358 | { |
359 | |
360 | } |
361 | |
362 | /*****************************************************************************/ |
363 | |
364 | dng_pixel_buffer::dng_pixel_buffer (const dng_rect &area, |
365 | uint32 plane, |
366 | uint32 planes, |
367 | uint32 pixelType, |
368 | uint32 planarConfiguration, |
369 | void *data) |
370 | |
371 | : fArea (area) |
372 | , fPlane (plane) |
373 | , fPlanes (planes) |
374 | , fRowStep (0) |
375 | , fColStep (0) |
376 | , fPlaneStep (0) |
377 | , fPixelType (pixelType) |
378 | , fPixelSize (TagTypeSize(pixelType)) |
379 | , fData (data) |
380 | , fDirty (true) |
381 | |
382 | { |
383 | |
384 | const char *overflowMessage = "Arithmetic overflow in pixel buffer setup" ; |
385 | |
386 | // Initialize fRowStep, fColStep and fPlaneStep according to the desired |
387 | // pixel layout. |
388 | switch (planarConfiguration) |
389 | { |
390 | case pcInterleaved: |
391 | fPlaneStep = 1; |
392 | if (!ConvertUint32ToInt32 (fPlanes, &fColStep) || |
393 | !SafeUint32ToInt32Mult (fArea.W(), fPlanes, &fRowStep)) |
394 | { |
395 | ThrowMemoryFull (overflowMessage); |
396 | } |
397 | break; |
398 | case pcPlanar: |
399 | fColStep = 1; |
400 | // Even though we've hardened dng_rect::W() to guarantee that it |
401 | // will never return a result that's out of range for an int32, |
402 | // we still protect the conversion for defense in depth. |
403 | if (!ConvertUint32ToInt32 (fArea.W(), &fRowStep) || |
404 | !SafeUint32ToInt32Mult (fArea.H(), fArea.W(), &fPlaneStep)) |
405 | { |
406 | ThrowMemoryFull (overflowMessage); |
407 | } |
408 | break; |
409 | case pcRowInterleaved: |
410 | case pcRowInterleavedAlign16: |
411 | { |
412 | fColStep = 1; |
413 | uint32 planeStepUint32; |
414 | if (planarConfiguration == pcRowInterleaved) |
415 | { |
416 | planeStepUint32 = fArea.W(); |
417 | } |
418 | else |
419 | { |
420 | if (!RoundUpForPixelSize (fArea.W(), fPixelSize, |
421 | &planeStepUint32)) |
422 | { |
423 | ThrowMemoryFull (overflowMessage); |
424 | } |
425 | } |
426 | if (!ConvertUint32ToInt32 (planeStepUint32, &fPlaneStep) || |
427 | !SafeUint32ToInt32Mult (planeStepUint32, fPlanes, &fRowStep)) |
428 | { |
429 | ThrowMemoryFull (overflowMessage); |
430 | } |
431 | break; |
432 | } |
433 | default: |
434 | ThrowProgramError ("Invalid value for 'planarConfiguration'" ); |
435 | break; |
436 | } |
437 | |
438 | } |
439 | |
440 | /*****************************************************************************/ |
441 | |
442 | dng_pixel_buffer::dng_pixel_buffer (const dng_pixel_buffer &buffer) |
443 | |
444 | : fArea (buffer.fArea) |
445 | , fPlane (buffer.fPlane) |
446 | , fPlanes (buffer.fPlanes) |
447 | , fRowStep (buffer.fRowStep) |
448 | , fColStep (buffer.fColStep) |
449 | , fPlaneStep (buffer.fPlaneStep) |
450 | , fPixelType (buffer.fPixelType) |
451 | , fPixelSize (buffer.fPixelSize) |
452 | , fData (buffer.fData) |
453 | , fDirty (buffer.fDirty) |
454 | |
455 | { |
456 | |
457 | } |
458 | |
459 | /*****************************************************************************/ |
460 | |
461 | dng_pixel_buffer & dng_pixel_buffer::operator= (const dng_pixel_buffer &buffer) |
462 | { |
463 | |
464 | fArea = buffer.fArea; |
465 | fPlane = buffer.fPlane; |
466 | fPlanes = buffer.fPlanes; |
467 | fRowStep = buffer.fRowStep; |
468 | fColStep = buffer.fColStep; |
469 | fPlaneStep = buffer.fPlaneStep; |
470 | fPixelType = buffer.fPixelType; |
471 | fPixelSize = buffer.fPixelSize; |
472 | fPixelType = buffer.fPixelType; |
473 | fData = buffer.fData; |
474 | fDirty = buffer.fDirty; |
475 | |
476 | return *this; |
477 | |
478 | } |
479 | |
480 | /*****************************************************************************/ |
481 | |
482 | dng_pixel_buffer::~dng_pixel_buffer () |
483 | { |
484 | |
485 | } |
486 | |
487 | /*****************************************************************************/ |
488 | |
489 | #if qDebugPixelType |
490 | |
491 | void dng_pixel_buffer::CheckPixelType (uint32 pixelType) const |
492 | { |
493 | |
494 | if (fPixelType != pixelType) |
495 | { |
496 | |
497 | DNG_REPORT ("Pixel type access mismatch" ); |
498 | |
499 | } |
500 | |
501 | } |
502 | |
503 | #endif |
504 | |
505 | /*****************************************************************************/ |
506 | |
507 | uint32 dng_pixel_buffer::PixelRange () const |
508 | { |
509 | |
510 | switch (fPixelType) |
511 | { |
512 | |
513 | case ttByte: |
514 | case ttSByte: |
515 | { |
516 | return 0x0FF; |
517 | } |
518 | |
519 | case ttShort: |
520 | case ttSShort: |
521 | { |
522 | return 0x0FFFF; |
523 | } |
524 | |
525 | case ttLong: |
526 | case ttSLong: |
527 | { |
528 | return 0xFFFFFFFF; |
529 | } |
530 | |
531 | default: |
532 | break; |
533 | |
534 | } |
535 | |
536 | return 0; |
537 | |
538 | } |
539 | |
540 | /*****************************************************************************/ |
541 | |
542 | void dng_pixel_buffer::SetConstant (const dng_rect &area, |
543 | uint32 plane, |
544 | uint32 planes, |
545 | uint32 value) |
546 | { |
547 | |
548 | uint32 rows = area.H (); |
549 | uint32 cols = area.W (); |
550 | |
551 | void *dPtr = DirtyPixel (area.t, |
552 | area.l, |
553 | plane); |
554 | |
555 | int32 dRowStep = fRowStep; |
556 | int32 dColStep = fColStep; |
557 | int32 dPlaneStep = fPlaneStep; |
558 | |
559 | OptimizeOrder (dPtr, |
560 | fPixelSize, |
561 | rows, |
562 | cols, |
563 | planes, |
564 | dRowStep, |
565 | dColStep, |
566 | dPlaneStep); |
567 | |
568 | switch (fPixelSize) |
569 | { |
570 | |
571 | case 1: |
572 | { |
573 | |
574 | if (rows == 1 && cols == 1 && dPlaneStep == 1 && value == 0) |
575 | { |
576 | |
577 | DoZeroBytes (dPtr, planes); |
578 | |
579 | } |
580 | |
581 | else |
582 | { |
583 | |
584 | DoSetArea8 ((uint8 *) dPtr, |
585 | (uint8) value, |
586 | rows, |
587 | cols, |
588 | planes, |
589 | dRowStep, |
590 | dColStep, |
591 | dPlaneStep); |
592 | |
593 | } |
594 | |
595 | break; |
596 | |
597 | } |
598 | |
599 | case 2: |
600 | { |
601 | |
602 | if (rows == 1 && cols == 1 && dPlaneStep == 1 && value == 0) |
603 | { |
604 | |
605 | DoZeroBytes (dPtr, planes << 1); |
606 | |
607 | } |
608 | |
609 | else |
610 | { |
611 | |
612 | DoSetArea16 ((uint16 *) dPtr, |
613 | (uint16) value, |
614 | rows, |
615 | cols, |
616 | planes, |
617 | dRowStep, |
618 | dColStep, |
619 | dPlaneStep); |
620 | |
621 | } |
622 | |
623 | break; |
624 | |
625 | } |
626 | |
627 | case 4: |
628 | { |
629 | |
630 | if (rows == 1 && cols == 1 && dPlaneStep == 1 && value == 0) |
631 | { |
632 | |
633 | DoZeroBytes (dPtr, planes << 2); |
634 | |
635 | } |
636 | |
637 | else |
638 | { |
639 | |
640 | DoSetArea32 ((uint32 *) dPtr, |
641 | value, |
642 | rows, |
643 | cols, |
644 | planes, |
645 | dRowStep, |
646 | dColStep, |
647 | dPlaneStep); |
648 | |
649 | } |
650 | |
651 | break; |
652 | |
653 | } |
654 | |
655 | default: |
656 | { |
657 | |
658 | ThrowNotYetImplemented (); |
659 | |
660 | } |
661 | |
662 | } |
663 | |
664 | } |
665 | |
666 | /*****************************************************************************/ |
667 | |
668 | void dng_pixel_buffer::SetZero (const dng_rect &area, |
669 | uint32 plane, |
670 | uint32 planes) |
671 | { |
672 | |
673 | uint32 value = 0; |
674 | |
675 | switch (fPixelType) |
676 | { |
677 | |
678 | case ttByte: |
679 | case ttShort: |
680 | case ttLong: |
681 | case ttFloat: |
682 | { |
683 | break; |
684 | } |
685 | |
686 | case ttSShort: |
687 | { |
688 | value = 0x8000; |
689 | break; |
690 | } |
691 | |
692 | default: |
693 | { |
694 | |
695 | ThrowNotYetImplemented (); |
696 | |
697 | } |
698 | |
699 | } |
700 | |
701 | SetConstant (area, |
702 | plane, |
703 | planes, |
704 | value); |
705 | |
706 | } |
707 | |
708 | /*****************************************************************************/ |
709 | |
710 | void dng_pixel_buffer::CopyArea (const dng_pixel_buffer &src, |
711 | const dng_rect &area, |
712 | uint32 srcPlane, |
713 | uint32 dstPlane, |
714 | uint32 planes) |
715 | { |
716 | |
717 | uint32 rows = area.H (); |
718 | uint32 cols = area.W (); |
719 | |
720 | const void *sPtr = src.ConstPixel (area.t, |
721 | area.l, |
722 | srcPlane); |
723 | |
724 | void *dPtr = DirtyPixel (area.t, |
725 | area.l, |
726 | dstPlane); |
727 | |
728 | int32 sRowStep = src.fRowStep; |
729 | int32 sColStep = src.fColStep; |
730 | int32 sPlaneStep = src.fPlaneStep; |
731 | |
732 | int32 dRowStep = fRowStep; |
733 | int32 dColStep = fColStep; |
734 | int32 dPlaneStep = fPlaneStep; |
735 | |
736 | OptimizeOrder (sPtr, |
737 | dPtr, |
738 | src.fPixelSize, |
739 | fPixelSize, |
740 | rows, |
741 | cols, |
742 | planes, |
743 | sRowStep, |
744 | sColStep, |
745 | sPlaneStep, |
746 | dRowStep, |
747 | dColStep, |
748 | dPlaneStep); |
749 | |
750 | if (fPixelType == src.fPixelType) |
751 | { |
752 | |
753 | if (rows == 1 && cols == 1 && sPlaneStep == 1 && dPlaneStep == 1) |
754 | { |
755 | |
756 | DoCopyBytes (sPtr, |
757 | dPtr, |
758 | planes * fPixelSize); |
759 | |
760 | } |
761 | |
762 | else switch (fPixelSize) |
763 | { |
764 | |
765 | case 1: |
766 | { |
767 | |
768 | DoCopyArea8 ((const uint8 *) sPtr, |
769 | (uint8 *) dPtr, |
770 | rows, |
771 | cols, |
772 | planes, |
773 | sRowStep, |
774 | sColStep, |
775 | sPlaneStep, |
776 | dRowStep, |
777 | dColStep, |
778 | dPlaneStep); |
779 | |
780 | break; |
781 | |
782 | } |
783 | |
784 | case 2: |
785 | { |
786 | |
787 | DoCopyArea16 ((const uint16 *) sPtr, |
788 | (uint16 *) dPtr, |
789 | rows, |
790 | cols, |
791 | planes, |
792 | sRowStep, |
793 | sColStep, |
794 | sPlaneStep, |
795 | dRowStep, |
796 | dColStep, |
797 | dPlaneStep); |
798 | |
799 | break; |
800 | |
801 | } |
802 | |
803 | case 4: |
804 | { |
805 | |
806 | DoCopyArea32 ((const uint32 *) sPtr, |
807 | (uint32 *) dPtr, |
808 | rows, |
809 | cols, |
810 | planes, |
811 | sRowStep, |
812 | sColStep, |
813 | sPlaneStep, |
814 | dRowStep, |
815 | dColStep, |
816 | dPlaneStep); |
817 | |
818 | break; |
819 | |
820 | } |
821 | |
822 | default: |
823 | { |
824 | |
825 | ThrowNotYetImplemented (); |
826 | |
827 | } |
828 | |
829 | } |
830 | |
831 | } |
832 | |
833 | else if (src.fPixelType == ttByte) |
834 | { |
835 | |
836 | switch (fPixelType) |
837 | { |
838 | |
839 | case ttShort: |
840 | { |
841 | |
842 | DoCopyArea8_16 ((const uint8 *) sPtr, |
843 | (uint16 *) dPtr, |
844 | rows, |
845 | cols, |
846 | planes, |
847 | sRowStep, |
848 | sColStep, |
849 | sPlaneStep, |
850 | dRowStep, |
851 | dColStep, |
852 | dPlaneStep); |
853 | |
854 | break; |
855 | |
856 | } |
857 | |
858 | case ttSShort: |
859 | { |
860 | |
861 | DoCopyArea8_S16 ((const uint8 *) sPtr, |
862 | (int16 *) dPtr, |
863 | rows, |
864 | cols, |
865 | planes, |
866 | sRowStep, |
867 | sColStep, |
868 | sPlaneStep, |
869 | dRowStep, |
870 | dColStep, |
871 | dPlaneStep); |
872 | |
873 | break; |
874 | |
875 | } |
876 | |
877 | case ttLong: |
878 | { |
879 | |
880 | DoCopyArea8_32 ((const uint8 *) sPtr, |
881 | (uint32 *) dPtr, |
882 | rows, |
883 | cols, |
884 | planes, |
885 | sRowStep, |
886 | sColStep, |
887 | sPlaneStep, |
888 | dRowStep, |
889 | dColStep, |
890 | dPlaneStep); |
891 | |
892 | break; |
893 | |
894 | } |
895 | |
896 | case ttFloat: |
897 | { |
898 | |
899 | DoCopyArea8_R32 ((const uint8 *) sPtr, |
900 | (real32 *) dPtr, |
901 | rows, |
902 | cols, |
903 | planes, |
904 | sRowStep, |
905 | sColStep, |
906 | sPlaneStep, |
907 | dRowStep, |
908 | dColStep, |
909 | dPlaneStep, |
910 | src.PixelRange ()); |
911 | |
912 | break; |
913 | |
914 | } |
915 | |
916 | default: |
917 | { |
918 | |
919 | ThrowNotYetImplemented (); |
920 | |
921 | } |
922 | |
923 | } |
924 | |
925 | } |
926 | |
927 | else if (src.fPixelType == ttShort) |
928 | { |
929 | |
930 | switch (fPixelType) |
931 | { |
932 | |
933 | case ttByte: |
934 | { |
935 | |
936 | DoCopyArea8 (((const uint8 *) sPtr) + (qDNGBigEndian ? 1 : 0), |
937 | (uint8 *) dPtr, |
938 | rows, |
939 | cols, |
940 | planes, |
941 | sRowStep << 1, |
942 | sColStep << 1, |
943 | sPlaneStep << 1, |
944 | dRowStep, |
945 | dColStep, |
946 | dPlaneStep); |
947 | |
948 | break; |
949 | |
950 | } |
951 | |
952 | case ttSShort: |
953 | { |
954 | |
955 | DoCopyArea16_S16 ((const uint16 *) sPtr, |
956 | (int16 *) dPtr, |
957 | rows, |
958 | cols, |
959 | planes, |
960 | sRowStep, |
961 | sColStep, |
962 | sPlaneStep, |
963 | dRowStep, |
964 | dColStep, |
965 | dPlaneStep); |
966 | |
967 | break; |
968 | |
969 | } |
970 | |
971 | case ttLong: |
972 | { |
973 | |
974 | DoCopyArea16_32 ((const uint16 *) sPtr, |
975 | (uint32 *) dPtr, |
976 | rows, |
977 | cols, |
978 | planes, |
979 | sRowStep, |
980 | sColStep, |
981 | sPlaneStep, |
982 | dRowStep, |
983 | dColStep, |
984 | dPlaneStep); |
985 | |
986 | break; |
987 | |
988 | } |
989 | |
990 | case ttFloat: |
991 | { |
992 | |
993 | DoCopyArea16_R32 ((const uint16 *) sPtr, |
994 | (real32 *) dPtr, |
995 | rows, |
996 | cols, |
997 | planes, |
998 | sRowStep, |
999 | sColStep, |
1000 | sPlaneStep, |
1001 | dRowStep, |
1002 | dColStep, |
1003 | dPlaneStep, |
1004 | src.PixelRange ()); |
1005 | |
1006 | break; |
1007 | |
1008 | } |
1009 | |
1010 | default: |
1011 | { |
1012 | |
1013 | ThrowNotYetImplemented (); |
1014 | |
1015 | } |
1016 | |
1017 | } |
1018 | |
1019 | } |
1020 | |
1021 | else if (src.fPixelType == ttSShort) |
1022 | { |
1023 | |
1024 | switch (fPixelType) |
1025 | { |
1026 | |
1027 | case ttByte: |
1028 | { |
1029 | |
1030 | DoCopyArea8 (((const uint8 *) sPtr) + (qDNGBigEndian ? 1 : 0), |
1031 | (uint8 *) dPtr, |
1032 | rows, |
1033 | cols, |
1034 | planes, |
1035 | sRowStep << 1, |
1036 | sColStep << 1, |
1037 | sPlaneStep << 1, |
1038 | dRowStep, |
1039 | dColStep, |
1040 | dPlaneStep); |
1041 | |
1042 | break; |
1043 | |
1044 | } |
1045 | |
1046 | case ttShort: |
1047 | { |
1048 | |
1049 | // Moving between signed 16 bit values and unsigned 16 |
1050 | // bit values just requires toggling the sign bit. So |
1051 | // we can use the "backwards" bottleneck. |
1052 | |
1053 | DoCopyArea16_S16 ((const uint16 *) sPtr, |
1054 | (int16 *) dPtr, |
1055 | rows, |
1056 | cols, |
1057 | planes, |
1058 | sRowStep, |
1059 | sColStep, |
1060 | sPlaneStep, |
1061 | dRowStep, |
1062 | dColStep, |
1063 | dPlaneStep); |
1064 | |
1065 | break; |
1066 | |
1067 | } |
1068 | |
1069 | case ttFloat: |
1070 | { |
1071 | |
1072 | DoCopyAreaS16_R32 ((const int16 *) sPtr, |
1073 | (real32 *) dPtr, |
1074 | rows, |
1075 | cols, |
1076 | planes, |
1077 | sRowStep, |
1078 | sColStep, |
1079 | sPlaneStep, |
1080 | dRowStep, |
1081 | dColStep, |
1082 | dPlaneStep, |
1083 | src.PixelRange ()); |
1084 | |
1085 | break; |
1086 | |
1087 | } |
1088 | |
1089 | default: |
1090 | { |
1091 | |
1092 | ThrowNotYetImplemented (); |
1093 | |
1094 | } |
1095 | |
1096 | } |
1097 | |
1098 | } |
1099 | |
1100 | else if (src.fPixelType == ttLong) |
1101 | { |
1102 | |
1103 | switch (fPixelType) |
1104 | { |
1105 | |
1106 | case ttByte: |
1107 | { |
1108 | |
1109 | DoCopyArea8 (((const uint8 *) sPtr) + (qDNGBigEndian ? 3 : 0), |
1110 | (uint8 *) dPtr, |
1111 | rows, |
1112 | cols, |
1113 | planes, |
1114 | sRowStep << 2, |
1115 | sColStep << 2, |
1116 | sPlaneStep << 2, |
1117 | dRowStep, |
1118 | dColStep, |
1119 | dPlaneStep); |
1120 | |
1121 | break; |
1122 | |
1123 | } |
1124 | |
1125 | case ttShort: |
1126 | { |
1127 | |
1128 | DoCopyArea16 (((const uint16 *) sPtr) + (qDNGBigEndian ? 1 : 0), |
1129 | (uint16 *) dPtr, |
1130 | rows, |
1131 | cols, |
1132 | planes, |
1133 | sRowStep << 1, |
1134 | sColStep << 1, |
1135 | sPlaneStep << 1, |
1136 | dRowStep, |
1137 | dColStep, |
1138 | dPlaneStep); |
1139 | |
1140 | break; |
1141 | |
1142 | } |
1143 | |
1144 | default: |
1145 | { |
1146 | |
1147 | ThrowNotYetImplemented (); |
1148 | |
1149 | } |
1150 | |
1151 | } |
1152 | |
1153 | } |
1154 | |
1155 | else if (src.fPixelType == ttFloat) |
1156 | { |
1157 | |
1158 | switch (fPixelType) |
1159 | { |
1160 | |
1161 | case ttByte: |
1162 | { |
1163 | |
1164 | DoCopyAreaR32_8 ((const real32 *) sPtr, |
1165 | (uint8 *) dPtr, |
1166 | rows, |
1167 | cols, |
1168 | planes, |
1169 | sRowStep, |
1170 | sColStep, |
1171 | sPlaneStep, |
1172 | dRowStep, |
1173 | dColStep, |
1174 | dPlaneStep, |
1175 | PixelRange ()); |
1176 | |
1177 | break; |
1178 | |
1179 | } |
1180 | |
1181 | case ttShort: |
1182 | { |
1183 | |
1184 | DoCopyAreaR32_16 ((const real32 *) sPtr, |
1185 | (uint16 *) dPtr, |
1186 | rows, |
1187 | cols, |
1188 | planes, |
1189 | sRowStep, |
1190 | sColStep, |
1191 | sPlaneStep, |
1192 | dRowStep, |
1193 | dColStep, |
1194 | dPlaneStep, |
1195 | PixelRange ()); |
1196 | |
1197 | break; |
1198 | |
1199 | } |
1200 | |
1201 | case ttSShort: |
1202 | { |
1203 | |
1204 | DoCopyAreaR32_S16 ((const real32 *) sPtr, |
1205 | (int16 *) dPtr, |
1206 | rows, |
1207 | cols, |
1208 | planes, |
1209 | sRowStep, |
1210 | sColStep, |
1211 | sPlaneStep, |
1212 | dRowStep, |
1213 | dColStep, |
1214 | dPlaneStep, |
1215 | PixelRange ()); |
1216 | |
1217 | break; |
1218 | |
1219 | } |
1220 | |
1221 | default: |
1222 | { |
1223 | |
1224 | ThrowNotYetImplemented (); |
1225 | |
1226 | } |
1227 | |
1228 | } |
1229 | |
1230 | } |
1231 | |
1232 | else |
1233 | { |
1234 | |
1235 | ThrowNotYetImplemented (); |
1236 | |
1237 | } |
1238 | |
1239 | } |
1240 | |
1241 | /*****************************************************************************/ |
1242 | |
1243 | dng_point dng_pixel_buffer::RepeatPhase (const dng_rect &srcArea, |
1244 | const dng_rect &dstArea) |
1245 | { |
1246 | |
1247 | int32 repeatV = srcArea.H (); |
1248 | int32 repeatH = srcArea.W (); |
1249 | |
1250 | int32 phaseV; |
1251 | int32 phaseH; |
1252 | |
1253 | if (srcArea.t >= dstArea.t) |
1254 | { |
1255 | phaseV = (repeatV - ((srcArea.t - dstArea.t) % repeatV)) % repeatV; |
1256 | } |
1257 | else |
1258 | { |
1259 | phaseV = (dstArea.t - srcArea.t) % repeatV; |
1260 | } |
1261 | |
1262 | if (srcArea.l >= dstArea.l) |
1263 | { |
1264 | phaseH = (repeatH - ((srcArea.l - dstArea.l) % repeatH)) % repeatH; |
1265 | } |
1266 | else |
1267 | { |
1268 | phaseH = (dstArea.l - srcArea.l) % repeatH; |
1269 | } |
1270 | |
1271 | return dng_point (phaseV, phaseH); |
1272 | |
1273 | } |
1274 | |
1275 | /*****************************************************************************/ |
1276 | |
1277 | void dng_pixel_buffer::RepeatArea (const dng_rect &srcArea, |
1278 | const dng_rect &dstArea) |
1279 | { |
1280 | |
1281 | dng_point repeat = srcArea.Size (); |
1282 | |
1283 | dng_point phase = RepeatPhase (srcArea, |
1284 | dstArea); |
1285 | |
1286 | const void *sPtr = ConstPixel (srcArea.t, |
1287 | srcArea.l, |
1288 | fPlane); |
1289 | |
1290 | void *dPtr = DirtyPixel (dstArea.t, |
1291 | dstArea.l, |
1292 | fPlane); |
1293 | |
1294 | uint32 rows = dstArea.H (); |
1295 | uint32 cols = dstArea.W (); |
1296 | |
1297 | switch (fPixelSize) |
1298 | { |
1299 | |
1300 | case 1: |
1301 | { |
1302 | |
1303 | DoRepeatArea8 ((const uint8 *) sPtr, |
1304 | (uint8 *) dPtr, |
1305 | rows, |
1306 | cols, |
1307 | fPlanes, |
1308 | fRowStep, |
1309 | fColStep, |
1310 | fPlaneStep, |
1311 | repeat.v, |
1312 | repeat.h, |
1313 | phase.v, |
1314 | phase.h); |
1315 | |
1316 | break; |
1317 | |
1318 | } |
1319 | |
1320 | case 2: |
1321 | { |
1322 | |
1323 | DoRepeatArea16 ((const uint16 *) sPtr, |
1324 | (uint16 *) dPtr, |
1325 | rows, |
1326 | cols, |
1327 | fPlanes, |
1328 | fRowStep, |
1329 | fColStep, |
1330 | fPlaneStep, |
1331 | repeat.v, |
1332 | repeat.h, |
1333 | phase.v, |
1334 | phase.h); |
1335 | |
1336 | break; |
1337 | |
1338 | } |
1339 | |
1340 | case 4: |
1341 | { |
1342 | |
1343 | DoRepeatArea32 ((const uint32 *) sPtr, |
1344 | (uint32 *) dPtr, |
1345 | rows, |
1346 | cols, |
1347 | fPlanes, |
1348 | fRowStep, |
1349 | fColStep, |
1350 | fPlaneStep, |
1351 | repeat.v, |
1352 | repeat.h, |
1353 | phase.v, |
1354 | phase.h); |
1355 | |
1356 | break; |
1357 | |
1358 | } |
1359 | |
1360 | default: |
1361 | { |
1362 | |
1363 | ThrowNotYetImplemented (); |
1364 | |
1365 | } |
1366 | |
1367 | } |
1368 | |
1369 | } |
1370 | |
1371 | /*****************************************************************************/ |
1372 | |
1373 | void dng_pixel_buffer::RepeatSubArea (const dng_rect subArea, |
1374 | uint32 repeatV, |
1375 | uint32 repeatH) |
1376 | { |
1377 | |
1378 | if (fArea.t < subArea.t) |
1379 | { |
1380 | |
1381 | RepeatArea (dng_rect (subArea.t , fArea.l, |
1382 | subArea.t + repeatV, fArea.r), |
1383 | dng_rect (fArea.t , fArea.l, |
1384 | subArea.t , fArea.r)); |
1385 | |
1386 | } |
1387 | |
1388 | if (fArea.b > subArea.b) |
1389 | { |
1390 | |
1391 | RepeatArea (dng_rect (subArea.b - repeatV, fArea.l, |
1392 | subArea.b , fArea.r), |
1393 | dng_rect (subArea.b , fArea.l, |
1394 | fArea.b , fArea.r)); |
1395 | |
1396 | } |
1397 | |
1398 | if (fArea.l < subArea.l) |
1399 | { |
1400 | |
1401 | RepeatArea (dng_rect (fArea.t, subArea.l , |
1402 | fArea.b, subArea.l + repeatH), |
1403 | dng_rect (fArea.t, fArea.l , |
1404 | fArea.b, subArea.l )); |
1405 | |
1406 | } |
1407 | |
1408 | if (fArea.r > subArea.r) |
1409 | { |
1410 | |
1411 | RepeatArea (dng_rect (fArea.t, subArea.r - repeatH, |
1412 | fArea.b, subArea.r ), |
1413 | dng_rect (fArea.t, subArea.r , |
1414 | fArea.b, fArea.r )); |
1415 | |
1416 | } |
1417 | |
1418 | } |
1419 | |
1420 | /*****************************************************************************/ |
1421 | |
1422 | void dng_pixel_buffer::ShiftRight (uint32 shift) |
1423 | { |
1424 | |
1425 | if (fPixelType != ttShort) |
1426 | { |
1427 | |
1428 | ThrowNotYetImplemented (); |
1429 | |
1430 | } |
1431 | |
1432 | uint32 rows = fArea.H (); |
1433 | uint32 cols = fArea.W (); |
1434 | |
1435 | uint32 planes = fPlanes; |
1436 | |
1437 | void *dPtr = DirtyPixel (fArea.t, |
1438 | fArea.l, |
1439 | fPlane); |
1440 | |
1441 | const void *sPtr = dPtr; |
1442 | |
1443 | int32 sRowStep = fRowStep; |
1444 | int32 sColStep = fColStep; |
1445 | int32 sPlaneStep = fPlaneStep; |
1446 | |
1447 | int32 dRowStep = fRowStep; |
1448 | int32 dColStep = fColStep; |
1449 | int32 dPlaneStep = fPlaneStep; |
1450 | |
1451 | OptimizeOrder (sPtr, |
1452 | dPtr, |
1453 | fPixelSize, |
1454 | fPixelSize, |
1455 | rows, |
1456 | cols, |
1457 | planes, |
1458 | sRowStep, |
1459 | sColStep, |
1460 | sPlaneStep, |
1461 | dRowStep, |
1462 | dColStep, |
1463 | dPlaneStep); |
1464 | |
1465 | DoShiftRight16 ((uint16 *) dPtr, |
1466 | rows, |
1467 | cols, |
1468 | planes, |
1469 | dRowStep, |
1470 | dColStep, |
1471 | dPlaneStep, |
1472 | shift); |
1473 | |
1474 | } |
1475 | |
1476 | /*****************************************************************************/ |
1477 | |
1478 | void dng_pixel_buffer::FlipH () |
1479 | { |
1480 | |
1481 | fData = InternalPixel (fArea.t, fArea.r - 1); |
1482 | |
1483 | fColStep = -fColStep; |
1484 | |
1485 | } |
1486 | |
1487 | /*****************************************************************************/ |
1488 | |
1489 | void dng_pixel_buffer::FlipV () |
1490 | { |
1491 | |
1492 | fData = InternalPixel (fArea.b - 1, fArea.l); |
1493 | |
1494 | fRowStep = -fRowStep; |
1495 | |
1496 | } |
1497 | |
1498 | /*****************************************************************************/ |
1499 | |
1500 | void dng_pixel_buffer::FlipZ () |
1501 | { |
1502 | |
1503 | fData = InternalPixel (fArea.t, fArea.l, fPlanes - 1); |
1504 | |
1505 | fPlaneStep = -fPlaneStep; |
1506 | |
1507 | } |
1508 | |
1509 | /*****************************************************************************/ |
1510 | |
1511 | bool dng_pixel_buffer::EqualArea (const dng_pixel_buffer &src, |
1512 | const dng_rect &area, |
1513 | uint32 plane, |
1514 | uint32 planes) const |
1515 | { |
1516 | |
1517 | uint32 rows = area.H (); |
1518 | uint32 cols = area.W (); |
1519 | |
1520 | const void *sPtr = src.ConstPixel (area.t, |
1521 | area.l, |
1522 | plane); |
1523 | |
1524 | const void *dPtr = ConstPixel (area.t, |
1525 | area.l, |
1526 | plane); |
1527 | |
1528 | int32 sRowStep = src.fRowStep; |
1529 | int32 sColStep = src.fColStep; |
1530 | int32 sPlaneStep = src.fPlaneStep; |
1531 | |
1532 | int32 dRowStep = fRowStep; |
1533 | int32 dColStep = fColStep; |
1534 | int32 dPlaneStep = fPlaneStep; |
1535 | |
1536 | if (fPixelType == src.fPixelType) |
1537 | { |
1538 | |
1539 | if (rows == 1 && cols == 1 && sPlaneStep == 1 && dPlaneStep == 1) |
1540 | { |
1541 | |
1542 | return DoEqualBytes (sPtr, |
1543 | dPtr, |
1544 | planes * fPixelSize); |
1545 | |
1546 | } |
1547 | |
1548 | else switch (fPixelSize) |
1549 | { |
1550 | |
1551 | case 1: |
1552 | { |
1553 | |
1554 | return DoEqualArea8 ((const uint8 *) sPtr, |
1555 | (const uint8 *) dPtr, |
1556 | rows, |
1557 | cols, |
1558 | planes, |
1559 | sRowStep, |
1560 | sColStep, |
1561 | sPlaneStep, |
1562 | dRowStep, |
1563 | dColStep, |
1564 | dPlaneStep); |
1565 | |
1566 | break; |
1567 | |
1568 | } |
1569 | |
1570 | case 2: |
1571 | { |
1572 | |
1573 | return DoEqualArea16 ((const uint16 *) sPtr, |
1574 | (const uint16 *) dPtr, |
1575 | rows, |
1576 | cols, |
1577 | planes, |
1578 | sRowStep, |
1579 | sColStep, |
1580 | sPlaneStep, |
1581 | dRowStep, |
1582 | dColStep, |
1583 | dPlaneStep); |
1584 | |
1585 | break; |
1586 | |
1587 | } |
1588 | |
1589 | case 4: |
1590 | { |
1591 | |
1592 | return DoEqualArea32 ((const uint32 *) sPtr, |
1593 | (const uint32 *) dPtr, |
1594 | rows, |
1595 | cols, |
1596 | planes, |
1597 | sRowStep, |
1598 | sColStep, |
1599 | sPlaneStep, |
1600 | dRowStep, |
1601 | dColStep, |
1602 | dPlaneStep); |
1603 | |
1604 | break; |
1605 | |
1606 | } |
1607 | |
1608 | default: |
1609 | { |
1610 | |
1611 | ThrowNotYetImplemented (); |
1612 | |
1613 | return false; |
1614 | |
1615 | } |
1616 | |
1617 | } |
1618 | |
1619 | } |
1620 | |
1621 | else |
1622 | return false; |
1623 | |
1624 | } |
1625 | |
1626 | /*****************************************************************************/ |
1627 | |
1628 | namespace |
1629 | { |
1630 | |
1631 | template <typename T> |
1632 | real64 MaxDiff (const T *src1, |
1633 | int32 s1RowStep, |
1634 | int32 s1PlaneStep, |
1635 | const T *src2, |
1636 | int32 s2RowStep, |
1637 | int32 s2PlaneStep, |
1638 | uint32 rows, |
1639 | uint32 cols, |
1640 | uint32 planes) |
1641 | { |
1642 | |
1643 | real64 result = 0.0; |
1644 | |
1645 | for (uint32 plane = 0; plane < planes; plane++) |
1646 | { |
1647 | |
1648 | const T *src1Save = src1; |
1649 | const T *src2Save = src2; |
1650 | |
1651 | for (uint32 row = 0; row < rows; row++) |
1652 | { |
1653 | |
1654 | for (uint32 col = 0; col < cols; col++) |
1655 | { |
1656 | real64 diff = fabs ((real64)src1 [col] - src2 [col]); |
1657 | |
1658 | if (diff > result) |
1659 | result = diff; |
1660 | |
1661 | } |
1662 | |
1663 | src1 += s1RowStep; |
1664 | src2 += s2RowStep; |
1665 | |
1666 | } |
1667 | |
1668 | src1 = src1Save + s1PlaneStep; |
1669 | src2 = src2Save + s2PlaneStep; |
1670 | |
1671 | } |
1672 | |
1673 | return result; |
1674 | |
1675 | } |
1676 | |
1677 | template <typename T> |
1678 | real64 MaxDiff (const T *src1, |
1679 | int32 s1ColStep, |
1680 | int32 s1RowStep, |
1681 | int32 s1PlaneStep, |
1682 | const T *src2, |
1683 | int32 s2ColStep, |
1684 | int32 s2RowStep, |
1685 | int32 s2PlaneStep, |
1686 | uint32 rows, |
1687 | uint32 cols, |
1688 | uint32 planes) |
1689 | { |
1690 | |
1691 | if (s1ColStep == s2ColStep && |
1692 | s1ColStep == 1) |
1693 | return MaxDiff (src1, |
1694 | s1RowStep, |
1695 | s1PlaneStep, |
1696 | src2, |
1697 | s2RowStep, |
1698 | s2PlaneStep, |
1699 | rows, |
1700 | cols, |
1701 | planes); |
1702 | |
1703 | real64 result = 0.0; |
1704 | |
1705 | for (uint32 plane = 0; plane < planes; plane++) |
1706 | { |
1707 | |
1708 | const T *src1Save = src1; |
1709 | const T *src2Save = src2; |
1710 | |
1711 | for (uint32 row = 0; row < rows; row++) |
1712 | { |
1713 | |
1714 | for (uint32 col = 0; col < cols; col++) |
1715 | { |
1716 | real64 diff = fabs ((real64)src1 [col * s1ColStep] - src2 [col * s2ColStep]); |
1717 | |
1718 | if (diff > result) |
1719 | result = diff; |
1720 | |
1721 | } |
1722 | |
1723 | src1 += s1RowStep; |
1724 | src2 += s2RowStep; |
1725 | |
1726 | } |
1727 | |
1728 | src1 = src1Save + s1PlaneStep; |
1729 | src2 = src2Save + s2PlaneStep; |
1730 | |
1731 | } |
1732 | |
1733 | |
1734 | return result; |
1735 | |
1736 | } |
1737 | } |
1738 | |
1739 | real64 dng_pixel_buffer::MaximumDifference (const dng_pixel_buffer &rhs, |
1740 | const dng_rect &area, |
1741 | uint32 plane, |
1742 | uint32 planes) const |
1743 | { |
1744 | |
1745 | uint32 rows = area.H (); |
1746 | uint32 cols = area.W (); |
1747 | |
1748 | const void *s1Ptr = rhs.ConstPixel (area.t, |
1749 | area.l, |
1750 | plane); |
1751 | |
1752 | const void *s2Ptr = ConstPixel (area.t, |
1753 | area.l, |
1754 | plane); |
1755 | |
1756 | int32 s1RowStep = rhs.fRowStep; |
1757 | int32 s1ColStep = rhs.fColStep; |
1758 | int32 s1PlaneStep = rhs.fPlaneStep; |
1759 | |
1760 | int32 s2RowStep = fRowStep; |
1761 | int32 s2ColStep = fColStep; |
1762 | int32 s2PlaneStep = fPlaneStep; |
1763 | |
1764 | if (fPixelType == rhs.fPixelType) |
1765 | { |
1766 | |
1767 | switch (fPixelType) |
1768 | { |
1769 | |
1770 | case ttByte: |
1771 | return MaxDiff ((const uint8 *)s1Ptr, |
1772 | s1ColStep, |
1773 | s1RowStep, |
1774 | s1PlaneStep, |
1775 | (const uint8 *)s2Ptr, |
1776 | s2ColStep, |
1777 | s2RowStep, |
1778 | s2PlaneStep, |
1779 | rows, |
1780 | cols, |
1781 | planes); |
1782 | |
1783 | break; |
1784 | |
1785 | case ttShort: |
1786 | return MaxDiff ((const uint16 *)s1Ptr, |
1787 | s1ColStep, |
1788 | s1RowStep, |
1789 | s1PlaneStep, |
1790 | (const uint16 *)s2Ptr, |
1791 | s2ColStep, |
1792 | s2RowStep, |
1793 | s2PlaneStep, |
1794 | rows, |
1795 | cols, |
1796 | planes); |
1797 | |
1798 | break; |
1799 | |
1800 | case ttLong: |
1801 | return MaxDiff ((const uint32 *)s1Ptr, |
1802 | s1ColStep, |
1803 | s1RowStep, |
1804 | s1PlaneStep, |
1805 | (const uint32 *)s2Ptr, |
1806 | s2ColStep, |
1807 | s2RowStep, |
1808 | s2PlaneStep, |
1809 | rows, |
1810 | cols, |
1811 | planes); |
1812 | |
1813 | break; |
1814 | |
1815 | case ttSByte: |
1816 | return MaxDiff ((const int8 *)s1Ptr, |
1817 | s1ColStep, |
1818 | s1RowStep, |
1819 | s1PlaneStep, |
1820 | (const int8 *)s2Ptr, |
1821 | s2ColStep, |
1822 | s2RowStep, |
1823 | s2PlaneStep, |
1824 | rows, |
1825 | cols, |
1826 | planes); |
1827 | |
1828 | break; |
1829 | |
1830 | case ttSShort: |
1831 | return MaxDiff ((const int16 *)s1Ptr, |
1832 | s1ColStep, |
1833 | s1RowStep, |
1834 | s1PlaneStep, |
1835 | (const int16 *)s2Ptr, |
1836 | s2ColStep, |
1837 | s2RowStep, |
1838 | s2PlaneStep, |
1839 | rows, |
1840 | cols, |
1841 | planes); |
1842 | |
1843 | break; |
1844 | |
1845 | case ttSLong: |
1846 | return MaxDiff ((const int32 *)s1Ptr, |
1847 | s1ColStep, |
1848 | s1RowStep, |
1849 | s1PlaneStep, |
1850 | (const int32 *)s2Ptr, |
1851 | s2ColStep, |
1852 | s2RowStep, |
1853 | s2PlaneStep, |
1854 | rows, |
1855 | cols, |
1856 | planes); |
1857 | |
1858 | break; |
1859 | |
1860 | case ttFloat: |
1861 | return MaxDiff ((const real32 *)s1Ptr, |
1862 | s1ColStep, |
1863 | s1RowStep, |
1864 | s1PlaneStep, |
1865 | (const real32 *)s2Ptr, |
1866 | s2ColStep, |
1867 | s2RowStep, |
1868 | s2PlaneStep, |
1869 | rows, |
1870 | cols, |
1871 | planes); |
1872 | |
1873 | break; |
1874 | |
1875 | case ttDouble: |
1876 | return MaxDiff ((const real64 *)s1Ptr, |
1877 | s1ColStep, |
1878 | s1RowStep, |
1879 | s1PlaneStep, |
1880 | (const real64 *)s2Ptr, |
1881 | s2ColStep, |
1882 | s2RowStep, |
1883 | s2PlaneStep, |
1884 | rows, |
1885 | cols, |
1886 | planes); |
1887 | |
1888 | break; |
1889 | |
1890 | |
1891 | default: |
1892 | { |
1893 | |
1894 | ThrowNotYetImplemented (); |
1895 | |
1896 | return 0.0; |
1897 | |
1898 | } |
1899 | |
1900 | } |
1901 | |
1902 | } |
1903 | |
1904 | else |
1905 | ThrowProgramError ("attempt to difference pixel buffers of different formats." ); |
1906 | |
1907 | return 0.0; |
1908 | |
1909 | } |
1910 | |
1911 | /*****************************************************************************/ |
1912 | |