53 lines
1.4 KiB
Objective-C
53 lines
1.4 KiB
Objective-C
//
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// SharedDecleartions.m
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// FMC Planner 2
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//
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// Created by Kilian Hofmann on 23.03.16.
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// Copyright © 2016 Kilian Hofmann. All rights reserved.
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//
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#import "SharedDeclerations.h"
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@implementation SharedDeclerations
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+ (UIFont *)findAdaptiveFontForUILabelSize:(CGSize)labelSize
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withMinimumSize:(NSInteger)minSize
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withMod:(float)mod {
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UIFont *tempFont = nil;
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NSString *testString =
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@"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
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NSInteger tempMin = minSize / mod;
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NSInteger tempMax = 256;
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NSInteger mid = 0;
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NSInteger difference = 0;
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while (tempMin <= tempMax) {
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mid = tempMin + (tempMax - tempMin) / 2;
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tempFont = [UIFont systemFontOfSize:mid];
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difference = labelSize.height / mod - [testString sizeWithAttributes:@{
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NSFontAttributeName : tempFont
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}].height;
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if (mid == tempMin || mid == tempMax) {
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if (difference < 0) {
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return [UIFont systemFontOfSize:(mid - 1)];
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}
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return [UIFont systemFontOfSize:mid];
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}
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if (difference < 0) {
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tempMax = mid - 1;
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} else if (difference > 0) {
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tempMin = mid + 1;
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} else {
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return [UIFont systemFontOfSize:mid];
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}
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}
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return [UIFont systemFontOfSize:mid];
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}
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@end
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