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/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <TargetConditionals.h>
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#if TARGET_OS_IOS || TARGET_OS_TV
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#import "FirebaseInAppMessaging/Sources/Util/UIColor+FIRIAMHexString.h"
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@implementation UIColor (HexString)
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+ (UIColor *)firiam_colorWithHexString:(nullable NSString *)hexString {
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if (hexString.length < 7) {
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return nil;
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}
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unsigned rgbValue = 0;
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NSScanner *scanner = [NSScanner scannerWithString:hexString];
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[scanner setScanLocation:1]; // bypass '#' character
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if (![scanner scanHexInt:&rgbValue]) {
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// no valid heximal value is detected
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return nil;
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}
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return [UIColor colorWithRed:((rgbValue & 0xFF0000) >> 16) / 255.0
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green:((rgbValue & 0xFF00) >> 8) / 255.0
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blue:(rgbValue & 0xFF) / 255.0
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alpha:1.0];
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}
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@end
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#endif // TARGET_OS_IOS || TARGET_OS_TV
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