forked from alejandrojapkin/CocoaLUT
/
LUTAction.m
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/
LUTAction.m
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//
// LUTAction.m
// Lattice
//
// Created by Greg Cotten on 6/19/14.
// Copyright (c) 2014 Wil Gieseler. All rights reserved.
//
#import "LUTAction.h"
@interface LUTAction ()
@property (strong) LUT* cachedInLUT;
@property (strong) LUT* cachedOutLUT;
@end
@implementation LUTAction
+(instancetype)actionWithBlock:(LUT *(^)(LUT *lut))actionBlock
actionName:(NSString *)actionName
actionMetadata:(M13OrderedDictionary *)actionMetadata{
return [[self alloc] initWithBlock:actionBlock actionName:actionName actionMetadata:actionMetadata];
}
+(instancetype)actionWithBypassBlockWithName:(NSString *)actionName{
return [self actionWithBlock:^LUT *(LUT *lut) {
return lut;
}
actionName:actionName
actionMetadata:M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"Bypass"}])];
}
-(instancetype)initWithBlock:(LUT *(^)(LUT *lut))actionBlock
actionName:(NSString *)actionName
actionMetadata:(M13OrderedDictionary *)actionMetadata{
if(self = [super init]){
self.actionBlock = actionBlock;
self.actionName = actionName ? actionName : @"Untitled Action";
if (actionMetadata == nil){
@throw [NSException exceptionWithName:@"LUTActionInitError" reason:@"Action metadata must not be nil." userInfo:nil];
}
if (actionMetadata[@"id"] == nil){
@throw [NSException exceptionWithName:@"LUTActionInitError" reason:@"Action metadata doesn't contain an ID." userInfo:nil];
}
self.actionMetadata = actionMetadata;
}
return self;
}
-(LUT *)LUTByUsingActionBlockOnLUT:(LUT *)lut{
if(self.cachedInLUT != nil && self.cachedInLUT == lut){
//NSLog(@"\"%@\" cached", self);
[self.cachedOutLUT copyMetaPropertiesFromLUT:lut];
return self.cachedOutLUT;
}
else{
//NSLog(@"\"%@\" not cached", self);
self.cachedInLUT = lut;
self.cachedOutLUT = self.actionBlock(lut);
[self.cachedOutLUT copyMetaPropertiesFromLUT:lut];
return self.cachedOutLUT;
}
}
-(NSString *)description{
return [self.actionName stringByAppendingString:[NSString stringWithFormat:@": %@", [self actionDetails]]];
}
-(instancetype)copyWithZone:(NSZone *)zone{
LUTAction *copiedAction = [LUTAction actionWithBlock:self.actionBlock actionName:[self.actionName copyWithZone:zone] actionMetadata:[self.actionMetadata copyWithZone:zone]];
copiedAction.cachedInLUT = self.cachedInLUT;
copiedAction.cachedOutLUT = self.cachedOutLUT;
return copiedAction;
}
-(NSString *)actionDetails{
NSString *outString = [NSString string];
for(NSString *key in [self.actionMetadata allKeys]){
if(![key isEqualToString:@"id"]){
outString = [outString stringByAppendingString:[NSString stringWithFormat:@"\n%@: %@", key, self.actionMetadata[key]]];
}
}
return outString;
}
+(instancetype)actionWithLUTByChangingInputLowerBound:(double)inputLowerBound
inputUpperBound:(double)inputUpperBound{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ChangeInputBounds"},
@{@"inputLowerBound": @(inputLowerBound)},
@{@"inputUpperBound": @(inputUpperBound)}]);
return [self actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByChangingInputLowerBound:inputLowerBound inputUpperBound:inputUpperBound];
}
actionName:[NSString stringWithFormat:@"Change Input Bounds to [%.3f, %.3f]", inputLowerBound, inputUpperBound]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByClampingLowerBound:(double)lowerBound
upperBound:(double)upperBound{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"Clamp"},
@{@"lowerBound": @(lowerBound)},
@{@"upperBound": @(upperBound)}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByClampingLowerBound:lowerBound upperBound:upperBound];
}
actionName:[NSString stringWithFormat:@"Clamp LUT to [%.3f, %.3f]", lowerBound, upperBound]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByRemappingValuesWithInputLow:(double)inputLow
inputHigh:(double)inputHigh
outputLow:(double)outputLow
outputHigh:(double)outputHigh{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ScaleOutput"},
@{@"inputLow": @(inputLow)},
@{@"inputHigh": @(inputHigh)},
@{@"outputLow": @(outputLow)},
@{@"outputHigh": @(outputHigh)}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByRemappingValuesWithInputLow:inputLow
inputHigh:inputHigh
outputLow:outputLow
outputHigh:outputHigh
bounded:NO];
}
actionName:[NSString stringWithFormat:@"Scale Output"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByScalingLegalToExtended{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ScaleLegalToExtended"}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByRemappingValuesWithInputLow:LEGAL_LEVELS_MIN
inputHigh:LEGAL_LEVELS_MAX
outputLow:EXTENDED_LEVELS_MIN
outputHigh:EXTENDED_LEVELS_MAX
bounded:NO];
}
actionName:[NSString stringWithFormat:@"Legal to Extended"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByScalingExtendedToLegal{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ScaleExtendedToLegal"}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByRemappingValuesWithInputLow:EXTENDED_LEVELS_MIN
inputHigh:EXTENDED_LEVELS_MAX
outputLow:LEGAL_LEVELS_MIN
outputHigh:LEGAL_LEVELS_MAX
bounded:NO];
}
actionName:[NSString stringWithFormat:@"Extended to Legal"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByScalingTo01{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ScaleTo01"}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByRemappingValuesWithInputLow:lut.minimumOutputValue
inputHigh:lut.maximumOutputValue
outputLow:0
outputHigh:1
bounded:NO];
}
actionName:[NSString stringWithFormat:@"Scale 0 to 1"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByCombiningWithLUT:(LUT *)lutToCombine
lutURL:(NSURL *)lutURL{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"Combine"},
@{@"lutURL": [lutURL copy]}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByCombiningWithLUT:lutToCombine];
}
actionName:[NSString stringWithFormat:@"Combine with LUT"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByScalingCurvesTo01{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"ScaleCurvesTo01"}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
if(isLUT1D(lut)){
return [lut LUTByRemappingValuesWithInputLow:lut.minimumOutputValue
inputHigh:lut.maximumOutputValue
outputLow:0
outputHigh:1
bounded:NO];
}
else{
//is lut 3D
LUT1D *lut1D = LUTAsLUT1D(lut, lut.size);
return [lut LUTByRemappingValuesWithInputLow:lut1D.minimumOutputValue
inputHigh:lut1D.maximumOutputValue
outputLow:0
outputHigh:1
bounded:NO];
}
}
actionName:[NSString stringWithFormat:@"Scale 0 to 1"]
actionMetadata:actionMetadata];
}
+(instancetype)actionWithLUTByResizingToSize:(NSUInteger)size{
M13OrderedDictionary *actionMetadata =
M13OrderedDictionaryFromOrderedArrayWithDictionaries(@[@{@"id":@"Resize"},
@{@"size": @(size)}]);
return [LUTAction actionWithBlock:^LUT *(LUT *lut) {
return [lut LUTByResizingToSize:size];
}
actionName:[NSString stringWithFormat:@"Resize to %i", (int)size]
actionMetadata:actionMetadata];
}
@end