27 lines
755 B
Objective-C
27 lines
755 B
Objective-C
//
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// FontSizetoLineHeightTransformer.m
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// Cog
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//
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// Created by Matthew Grinshpun on 18/02/08.
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// Copyright 2008 __MyCompanyName__. All rights reserved.
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//
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#import "FontSizetoLineHeightTransformer.h"
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@implementation FontSizetoLineHeightTransformer
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+ (Class)transformedValueClass { return [NSNumber class]; }
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+ (BOOL)allowsReverseTransformation { return NO; }
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// Convert from font size to height in playlist view
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- (id)transformedValue:(id)value {
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NSFont *font = [NSFont systemFontOfSize:[(NSNumber *)value floatValue]];
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NSLayoutManager *layoutManager = [[NSLayoutManager alloc]init];
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float fRowSize = [layoutManager defaultLineHeightForFont:font];
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[layoutManager release];
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return [NSNumber numberWithFloat: fRowSize];
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}
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@end
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