forked from alejandrojapkin/CocoaLUT
-
Notifications
You must be signed in to change notification settings - Fork 0
/
LUTColorSpace.m
531 lines (455 loc) · 27.5 KB
/
LUTColorSpace.m
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
//
// LUTColorSpace.m
// Pods
//
// Created by Greg Cotten on 4/2/14.
//
//
#import "LUTColorSpace.h"
#import "LUTColorTransferFunction.h"
@interface LUTColorSpace ()
@end
@implementation LUTColorSpace
+ (instancetype)LUTColorSpaceWithDefaultWhitePoint:(LUTColorSpaceWhitePoint *)whitePoint
redChromaticityX:(double)redChromaticityX
redChromaticityY:(double)redChromaticityY
greenChromaticityX:(double)greenChromaticityX
greenChromaticityY:(double)greenChromaticityY
blueChromaticityX:(double)blueChromaticityX
blueChromaticityY:(double)blueChromaticityY
name:(NSString *)name{
return [[self alloc] initWithDefaultWhitePoint:whitePoint
redChromaticityX:redChromaticityX
redChromaticityY:redChromaticityY
greenChromaticityX:greenChromaticityX
greenChromaticityY:greenChromaticityY
blueChromaticityX:blueChromaticityX
blueChromaticityY:blueChromaticityY
forwardFootlambertCompensation:1.0
name:name];
}
+ (instancetype)LUTColorSpaceWithDefaultWhitePoint:(LUTColorSpaceWhitePoint *)whitePoint
redChromaticityX:(double)redChromaticityX
redChromaticityY:(double)redChromaticityY
greenChromaticityX:(double)greenChromaticityX
greenChromaticityY:(double)greenChromaticityY
blueChromaticityX:(double)blueChromaticityX
blueChromaticityY:(double)blueChromaticityY
forwardFootlambertCompensation:(double)flCompensation
name:(NSString *)name{
return [[self alloc] initWithDefaultWhitePoint:whitePoint
redChromaticityX:redChromaticityX
redChromaticityY:redChromaticityY
greenChromaticityX:greenChromaticityX
greenChromaticityY:greenChromaticityY
blueChromaticityX:blueChromaticityX
blueChromaticityY:blueChromaticityY
forwardFootlambertCompensation:flCompensation
name:name];
}
+ (instancetype)LUTColorSpaceWithNPM:(GLKMatrix3)npm
name:(NSString *)name{
return [[self alloc] initWithNPM:npm
forwardFootlambertCompensation:1.0
name:name];
}
+ (instancetype)LUTColorSpaceWithNPM:(GLKMatrix3)npm
forwardFootlambertCompensation:(double)flCompensation
name:(NSString *)name{
return [[self alloc] initWithNPM:npm
forwardFootlambertCompensation:flCompensation
name:name];
}
- (instancetype)initWithDefaultWhitePoint:(LUTColorSpaceWhitePoint *)whitePoint
redChromaticityX:(double)redChromaticityX
redChromaticityY:(double)redChromaticityY
greenChromaticityX:(double)greenChromaticityX
greenChromaticityY:(double)greenChromaticityY
blueChromaticityX:(double)blueChromaticityX
blueChromaticityY:(double)blueChromaticityY
forwardFootlambertCompensation:(double)flCompensation
name:(NSString *)name{
if (self = [super init]) {
self.redChromaticityX = redChromaticityX;
self.redChromaticityY = redChromaticityY;
self.greenChromaticityX = greenChromaticityX;
self.greenChromaticityY = greenChromaticityY;
self.blueChromaticityX = blueChromaticityX;
self.blueChromaticityY = blueChromaticityY;
self.forcesNPM = NO;
self.forwardFootlambertCompensation = flCompensation;
self.name = name;
}
return self;
}
- (instancetype)initWithNPM:(GLKMatrix3)npm
forwardFootlambertCompensation:(double)flCompensation
name:(NSString *)name{
if (self = [super init]) {
self.npm = npm;
self.forcesNPM = YES;
self.forwardFootlambertCompensation = flCompensation;
self.name = name;
}
return self;
}
- (instancetype)copyWithZone:(NSZone *)zone{
if(self.forcesNPM){
return [self.class LUTColorSpaceWithNPM:self.npm
forwardFootlambertCompensation:self.forwardFootlambertCompensation
name:[self.name copyWithZone:zone]];
}
else{
return [self.class LUTColorSpaceWithDefaultWhitePoint:[self.defaultWhitePoint copyWithZone:zone]
redChromaticityX:self.redChromaticityX
redChromaticityY:self.redChromaticityY
greenChromaticityX:self.greenChromaticityX
greenChromaticityY:self.greenChromaticityY
blueChromaticityX:self.blueChromaticityX
blueChromaticityY:self.blueChromaticityY
forwardFootlambertCompensation:self.forwardFootlambertCompensation
name:[self.name copyWithZone:zone]];
}
}
+ (GLKMatrix3)npmFromColorSpace:(LUTColorSpace *)colorSpace
whitePoint:(LUTColorSpaceWhitePoint *)whitePoint{
if(colorSpace.forcesNPM){
return colorSpace.npm;
}
double whiteChromaticityZ = 1 - (whitePoint.whiteChromaticityX + whitePoint.whiteChromaticityY);
double redChromaticityZ = 1 - (colorSpace.redChromaticityX + colorSpace.redChromaticityY);
double greenChromaticityZ = 1 - (colorSpace.greenChromaticityX + colorSpace.greenChromaticityY);
double blueChromaticityZ = 1 - (colorSpace.blueChromaticityX + colorSpace.blueChromaticityY);
GLKMatrix3 P = GLKMatrix3MakeWithRows(GLKVector3Make(colorSpace.redChromaticityX, colorSpace.greenChromaticityX, colorSpace.blueChromaticityX),
GLKVector3Make(colorSpace.redChromaticityY, colorSpace.greenChromaticityY, colorSpace.blueChromaticityY),
GLKVector3Make(redChromaticityZ, greenChromaticityZ, blueChromaticityZ));
GLKVector3 W = GLKVector3Make(whitePoint.whiteChromaticityX / whitePoint.whiteChromaticityY, 1.0, whiteChromaticityZ / whitePoint.whiteChromaticityY);
bool isInvertible;
GLKVector3 pInverseDotW = GLKMatrix3MultiplyVector3(GLKMatrix3Invert(P, &isInvertible), W);
NSAssert(isInvertible == YES, @"NPM can't be generated because matrix is not invertible");
GLKMatrix3 C = GLKMatrix3MakeWithRows(GLKVector3Make(pInverseDotW.x,0.0,0.0),
GLKVector3Make(0.0,pInverseDotW.y,0.0),
GLKVector3Make(0.0,0.0,pInverseDotW.z));
return GLKMatrix3Multiply(P, C);
}
+ (LUT3D *)convertLUT3D:(LUT3D *)lut fromColorSpace:(LUTColorSpace *)sourceColorSpace
whitePoint:(LUTColorSpaceWhitePoint *)sourceWhitePoint
toColorSpace:(LUTColorSpace *)destinationColorSpace
whitePoint:(LUTColorSpaceWhitePoint *)destinationWhitePoint
bradfordMatrix:(BOOL)useBradfordMatrix{
//NSLog(@"Source NPM: %@\n Destination NPM: %@", NSStringFromGLKMatrix3(sourceColorSpace.npm), NSStringFromGLKMatrix3(destinationColorSpace.npm));
if(useBradfordMatrix && (sourceColorSpace.forcesNPM || destinationColorSpace.forcesNPM)){
@throw [NSException exceptionWithName:@"ColorSpaceConversionError" reason:@"Can't use the bradford matrix when using a colorspace that forces the NPM." userInfo:nil];
}
GLKMatrix3 transformationMatrix = [self transformationMatrixFromColorSpace:sourceColorSpace
whitePoint:sourceWhitePoint
toColorSpace:destinationColorSpace
whitePoint:destinationWhitePoint
bradfordMatrix:useBradfordMatrix];
//NSLog(@"Transformation Matrix: %@", NSStringFromGLKMatrix3(transformationMatrix));
LUT3D *transformedLUT = [LUT3D LUTOfSize:[lut size] inputLowerBound:[lut inputLowerBound] inputUpperBound:[lut inputUpperBound]];
[transformedLUT copyMetaPropertiesFromLUT:lut];
double sourceFLCompensation = 1.0/sourceColorSpace.forwardFootlambertCompensation;
double destinationFLCompensation = destinationColorSpace.forwardFootlambertCompensation;
BOOL useFLCompensation = sourceFLCompensation != 1.0/destinationFLCompensation;
[transformedLUT LUTLoopWithBlock:^(size_t r, size_t g, size_t b) {
LUTColor *sourceColor = [lut colorAtR:r g:g b:b];
if (useFLCompensation && sourceFLCompensation != 1.0) {
sourceColor = [sourceColor colorByMultiplyingByNumber:sourceFLCompensation];
}
GLKVector3 transformedColor = GLKMatrix3MultiplyVector3(transformationMatrix, GLKVector3Make(sourceColor.red, sourceColor.green, sourceColor.blue));
LUTColor *destinationColor = [LUTColor colorWithRed:transformedColor.x green:transformedColor.y blue:transformedColor.z];
if (useFLCompensation && destinationFLCompensation != 1.0) {
destinationColor = [destinationColor colorByMultiplyingByNumber:destinationFLCompensation];
}
[transformedLUT setColor:destinationColor r:r g:g b:b];
}];
return transformedLUT;
}
+ (LUT3D *)convertColorTemperatureFromLUT3D:(LUT3D *)lut
sourceColorSpace:(LUTColorSpace *)sourceColorSpace
sourceTransferFunction:(LUTColorTransferFunction *)sourceTransferFunction
sourceColorTemperature:(LUTColorSpaceWhitePoint *)sourceColorTemperature
destinationColorTemperature:(LUTColorSpaceWhitePoint *)destinationColorTemperature{
LUT3D *linearizedLUT = (LUT3D *)[LUTColorTransferFunction transformedLUTFromLUT:lut
fromColorTransferFunction:sourceTransferFunction
toColorTransferFunction:[LUTColorTransferFunction linearTransferFunction]];
LUT3D *linearizedColorSpaceConvertedLUT = [self convertLUT3D:linearizedLUT
fromColorSpace:sourceColorSpace
whitePoint:sourceColorTemperature
toColorSpace:sourceColorSpace
whitePoint:destinationColorTemperature
bradfordMatrix:NO];
return (LUT3D *)[LUTColorTransferFunction transformedLUTFromLUT:linearizedColorSpaceConvertedLUT
fromColorTransferFunction:[LUTColorTransferFunction linearTransferFunction]
toColorTransferFunction:sourceTransferFunction];
}
+ (GLKMatrix3)transformationMatrixFromColorSpace:(LUTColorSpace *)sourceColorSpace
whitePoint:(LUTColorSpaceWhitePoint *)sourceWhitePoint
toColorSpace:(LUTColorSpace *)destinationColorSpace
whitePoint:(LUTColorSpaceWhitePoint *)destinationWhitePoint
bradfordMatrix:(BOOL)useBradfordMatrix{
bool isInvertible;
GLKMatrix3 destinationNPMInverted = GLKMatrix3Invert([self npmFromColorSpace:destinationColorSpace whitePoint:destinationWhitePoint], &isInvertible);
NSAssert(isInvertible == YES, @"Transformation Matrix can't be generated because destination NPM is not invertible.");
GLKMatrix3 transformationMatrix;
if (useBradfordMatrix) {
GLKVector3 sourceConeResponseDomain = GLKMatrix3MultiplyVector3([self bradfordConeResponseMatrix], sourceWhitePoint.tristimulusValues);
GLKVector3 destinationConeResponseDomain = GLKMatrix3MultiplyVector3([self bradfordConeResponseMatrix], destinationWhitePoint.tristimulusValues);
GLKMatrix3 intermediateConeResponseDomainMatrix =
GLKMatrix3Make(destinationConeResponseDomain.x/sourceConeResponseDomain.x, 0, 0,
0, destinationConeResponseDomain.y/sourceConeResponseDomain.y, 0,
0, 0, destinationConeResponseDomain.z/sourceConeResponseDomain.z);
GLKMatrix3 bradfordMatrix = GLKMatrix3Multiply(GLKMatrix3Multiply([self bradfordConeResponseMatrixInverse], intermediateConeResponseDomainMatrix), [self bradfordConeResponseMatrix]);
//NSLog(@"Bradford Matrix: %@", NSStringFromGLKMatrix3(bradfordMatrix));
transformationMatrix = GLKMatrix3Multiply(GLKMatrix3Multiply(destinationNPMInverted, bradfordMatrix), [self npmFromColorSpace:sourceColorSpace whitePoint:sourceWhitePoint]);
}
else{
transformationMatrix = GLKMatrix3Multiply(destinationNPMInverted, [self npmFromColorSpace:sourceColorSpace whitePoint:sourceWhitePoint]);
}
return transformationMatrix;
}
+ (GLKMatrix3)bradfordConeResponseMatrix{
return GLKMatrix3Make(0.8951000, -0.7502000, 0.0389000,
0.2664000, 1.7135000, -0.0685000,
-0.1614000, 0.0367000, 1.0296000);
}
+ (GLKMatrix3)bradfordConeResponseMatrixInverse{
return GLKMatrix3Make(0.9869929, 0.4323053, -0.0085287,
-0.1470543, 0.5183603, 0.0400428,
0.1599627, 0.0492912, 0.9684867);
}
+ (NSArray *)knownColorSpaces{
NSArray *allKnownColorSpaces = @[[self rec709ColorSpace],
[self dciP3ColorSpace],
[self rec2020ColorSpace],
[self alexaWideGamutColorSpace],
[self sGamut3CineColorSpace],
[self sGamutColorSpace],
[self bmccColorSpace],
[self redColorColorSpace],
[self redColor2ColorSpace],
[self redColor3ColorSpace],
[self redColor4ColorSpace],
[self dragonColorColorSpace],
[self dragonColor2ColorSpace],
[self canonCinemaGamutColorSpace],
[self canonDCIP3PlusColorSpace],
[self dragonColor2ColorSpace],
[self vGamutColorSpace],
[self acesGamutColorSpace],
[self dciXYZColorSpace],
[self xyzColorSpace],
[self adobeRGBColorSpace],
[self proPhotoRGBColorSpace]];
return allKnownColorSpaces;
}
+ (instancetype)rec709ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.64
redChromaticityY:0.33
greenChromaticityX:0.30
greenChromaticityY:0.60
blueChromaticityX:0.15
blueChromaticityY:0.06
name:@"Rec. 709"];
}
+ (instancetype)canonDCIP3PlusColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint dciWhitePoint]
redChromaticityX:0.7400
redChromaticityY:0.2700
greenChromaticityX:0.2200
greenChromaticityY:0.7800
blueChromaticityX:0.0900
blueChromaticityY:-0.0900
name:@"Canon DCI-P3+"];
}
+ (instancetype)canonCinemaGamutColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.7400
redChromaticityY:0.2700
greenChromaticityX:0.1700
greenChromaticityY:1.1400
blueChromaticityX:0.0800
blueChromaticityY:-0.1000
name:@"Canon Cinema Gamut"];
}
+ (instancetype)bmccColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.901885370853
redChromaticityY:0.249059467640
greenChromaticityX:0.280038809783
greenChromaticityY:1.535129255560
blueChromaticityX:0.078873341398
blueChromaticityY:-0.082629719848
name:@"BMCC"];
}
+ (instancetype)redColorColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.682235759294
redChromaticityY:0.320973856307
greenChromaticityX:0.295705729612
greenChromaticityY:0.613311106957
blueChromaticityX:0.134524597085
blueChromaticityY:0.034410956920
name:@"REDcolor"];
}
+ (instancetype)redColor2ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.858485322390
redChromaticityY:0.316594954144
greenChromaticityX:0.292084791425
greenChromaticityY:0.667838655872
blueChromaticityX:0.097651412967
blueChromaticityY:-0.026565653796
name:@"REDcolor2"];
}
+ (instancetype)redColor3ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.682450885401
redChromaticityY:0.320302618634
greenChromaticityX:0.291813306036
greenChromaticityY:0.672642663443
blueChromaticityX:0.109533374066
blueChromaticityY:-0.006916855752
name:@"REDcolor3"];
}
+ (instancetype)redColor4ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.682432347
redChromaticityY:0.320314427
greenChromaticityX:0.291815909
greenChromaticityY:0.672638769
blueChromaticityX:0.144290202
blueChromaticityY:0.050547336
name:@"REDcolor4"];
}
+ (instancetype)dragonColorColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.733696621349
redChromaticityY:0.319213119879
greenChromaticityX:0.290807268864
greenChromaticityY:0.689667987865
blueChromaticityX:0.083009416684
blueChromaticityY:-0.050780628080
name:@"DRAGONcolor"];
}
+ (instancetype)dragonColor2ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.733671536367
redChromaticityY:0.319227712042
greenChromaticityX:0.290804815281
greenChromaticityY:0.689668775507
blueChromaticityX:0.143989704285
blueChromaticityY:0.050047743857
name:@"DRAGONcolor2"];
}
+ (instancetype)proPhotoRGBColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.7347
redChromaticityY:0.2653
greenChromaticityX:0.1596
greenChromaticityY:0.8404
blueChromaticityX:0.0366
blueChromaticityY:0.0001
name:@"ProPhoto RGB"];
}
+ (instancetype)adobeRGBColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.64
redChromaticityY:0.33
greenChromaticityX:0.21
greenChromaticityY:0.71
blueChromaticityX:0.15
blueChromaticityY:0.06
name:@"Adobe RGB"];
}
+ (instancetype)dciP3ColorSpace{
return [self LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint dciWhitePoint]
redChromaticityX:0.680
redChromaticityY:0.320
greenChromaticityX:0.265
greenChromaticityY:0.69
blueChromaticityX:0.15
blueChromaticityY:0.06
name:@"DCI-P3"];
}
+ (instancetype)rec2020ColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.708
redChromaticityY:0.292
greenChromaticityX:0.170
greenChromaticityY:0.797
blueChromaticityX:0.131
blueChromaticityY:0.046
name:@"Rec. 2020"];
}
+ (instancetype)alexaWideGamutColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.6840
redChromaticityY:0.3130
greenChromaticityX:0.2210
greenChromaticityY:0.8480
blueChromaticityX:0.0861
blueChromaticityY:-0.1020
name:@"Alexa Wide Gamut"];
}
+ (instancetype)sGamut3CineColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.76600
redChromaticityY:0.27500
greenChromaticityX:0.22500
greenChromaticityY:0.80000
blueChromaticityX:0.08900
blueChromaticityY:-0.08700
name:@"S-Gamut3.Cine"];
}
+ (instancetype)sGamutColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.73000
redChromaticityY:0.28000
greenChromaticityX:0.14000
greenChromaticityY:0.85500
blueChromaticityX:0.10000
blueChromaticityY:-0.05000
name:@"S-Gamut/S-Gamut3"];
}
+ (instancetype)vGamutColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d65WhitePoint]
redChromaticityX:0.730
redChromaticityY:0.280
greenChromaticityX:0.165
greenChromaticityY:0.840
blueChromaticityX:0.100
blueChromaticityY:-0.030
name:@"V-Gamut"];
}
+ (instancetype)acesGamutColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint d60WhitePoint]
redChromaticityX:0.73470
redChromaticityY:0.26530
greenChromaticityX:0.00000
greenChromaticityY:1.00000
blueChromaticityX:0.00010
blueChromaticityY:-0.07700
name:@"ACES Gamut"];
}
+ (instancetype)dciXYZColorSpace{
return [LUTColorSpace LUTColorSpaceWithNPM:GLKMatrix3MakeWithRows(GLKVector3Make(1.0, 0.0, 0.0),
GLKVector3Make(0.0, 1.0, 0.0),
GLKVector3Make(0.0, 0.0, 1.0))
forwardFootlambertCompensation:0.916555
name:@"DCI-XYZ"];
}
+ (instancetype)xyzColorSpace{
return [LUTColorSpace LUTColorSpaceWithDefaultWhitePoint:[LUTColorSpaceWhitePoint xyzWhitePoint]
redChromaticityX:1
redChromaticityY:0
greenChromaticityX:0
greenChromaticityY:1
blueChromaticityX:0
blueChromaticityY:0
forwardFootlambertCompensation:0.916555
name:@"CIE-XYZ"];
}
@end