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36 lines
753 B
Plaintext
36 lines
753 B
Plaintext
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//
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// VLPitchTransformer.mm
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// Vocalese
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//
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// Created by Matthias Neeracher on 10/23/06.
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// Copyright 2006 __MyCompanyName__. All rights reserved.
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//
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#import "VLPitchTransformer.h"
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#import "VLModel.h"
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@implementation VLPitchTransformer
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+ (Class)transformedValueClass
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{
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return [NSString class];
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}
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const char * sPitch2Name = "C D EF G A B";
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- (NSString *)transformedValue:(id)value
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{
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int pitch = [value intValue];
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int octave= (pitch / 12)-1;
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pitch %= 12;
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if (sPitch2Name[pitch] == ' ')
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return [NSString stringWithFormat:@"%c%C%d / %c%C%d",
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sPitch2Name[pitch-1], kVLSharpChar, octave,
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sPitch2Name[pitch+1], kVLFlatChar, octave];
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else
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return [NSString stringWithFormat:@"%c%d",
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sPitch2Name[pitch], octave];
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}
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@end
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