48 lines
1.4 KiB
Objective-C
48 lines
1.4 KiB
Objective-C
//
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// LXColorTools.m
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// ISCTest
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//
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// Created by imac on 16/5/18.
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// Copyright © 2016年 xiang. All rights reserved.
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//
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#import "LXColorTools.h"
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#define DEFAULT_VOID_COLOR [UIColor whiteColor]
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@implementation LXColorTools
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+ ( UIColor *)colorWithHexString:(NSString *)stringToConvert
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{
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NSString *cString = [[stringToConvert stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
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if ([cString length] < 6)
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return DEFAULT_VOID_COLOR;
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if ([cString hasPrefix:@"#"])
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cString = [cString substringFromIndex:1];
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if ([cString length] != 6)
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return DEFAULT_VOID_COLOR;
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NSRange range;
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range.location = 0;
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range.length = 2;
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NSString *rString = [cString substringWithRange:range];
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range.location = 2;
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NSString *gString = [cString substringWithRange:range];
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range.location = 4;
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NSString *bString = [cString substringWithRange:range];
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unsigned int r, g, b;
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[[NSScanner scannerWithString:rString] scanHexInt:&r];
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[[NSScanner scannerWithString:gString] scanHexInt:&g];
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[[NSScanner scannerWithString:bString] scanHexInt:&b];
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return [UIColor colorWithRed:((float) r / 255.0f)
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green:((float) g / 255.0f)
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blue:((float) b / 255.0f)
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alpha:1.0f];
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}
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@end
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