/*
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* Copyright 2013 ZXing authors
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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 "ZXDimension.h"
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@implementation ZXDimension
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- (id)initWithWidth:(int)width height:(int)height {
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if (width < 0 || height < 0) {
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[NSException raise:NSInvalidArgumentException format:@"Width and height must not be negative"];
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}
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if (self = [super init]) {
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_width = width;
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_height = height;
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}
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return self;
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}
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- (BOOL)isEqual:(id)other {
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if ([other isKindOfClass:[ZXDimension class]]) {
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ZXDimension *d = (ZXDimension *)other;
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return self.width == d.width && self.height == d.height;
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}
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return NO;
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}
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- (NSUInteger)hash {
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return self.width * 32713 + self.height;
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"%dx%d", self.width, self.height];
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}
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@end
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