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MDCCurvedCornerTreatment.m
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MDCCurvedCornerTreatment.m
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// Copyright 2017-present the Material Components for iOS authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#import "MDCCurvedCornerTreatment.h"
#import "MaterialShapes.h"
@implementation MDCCurvedCornerTreatment
- (instancetype)init {
return [self initWithSize:CGSizeZero];
}
- (instancetype)initWithSize:(CGSize)size {
if (self = [super init]) {
_size = size;
}
return self;
}
- (MDCPathGenerator *)pathGeneratorForCornerWithAngle:(CGFloat)angle {
return [self pathGeneratorForCornerWithAngle:angle andCurve:_size];
}
- (MDCPathGenerator *)pathGeneratorForCornerWithAngle:(CGFloat)angle forViewSize:(CGSize)viewSize {
CGSize normalizedCurve =
CGSizeMake(_size.width * viewSize.height, _size.height * viewSize.height);
return [self pathGeneratorForCornerWithAngle:angle andCurve:normalizedCurve];
}
- (MDCPathGenerator *)pathGeneratorForCornerWithAngle:(CGFloat)angle andCurve:(CGSize)curve {
MDCPathGenerator *path =
[MDCPathGenerator pathGeneratorWithStartPoint:CGPointMake(0, curve.height)];
[path addQuadCurveWithControlPoint:CGPointZero toPoint:CGPointMake(curve.width, 0)];
return path;
}
- (id)copyWithZone:(NSZone *)zone {
MDCCurvedCornerTreatment *copy = [super copyWithZone:zone];
copy.size = _size;
return copy;
}
- (BOOL)isEqual:(id)object {
if (object == self) {
return YES;
} else if (![super isEqual:object]) {
return NO;
}
if (!object || ![[object class] isEqual:[self class]]) {
return NO;
}
MDCCurvedCornerTreatment *otherCurvedCorner = (MDCCurvedCornerTreatment *)object;
return CGSizeEqualToSize(self.size, otherCurvedCorner.size);
}
- (NSUInteger)hash {
return @(self.size.height).hash ^ @(self.size.width).hash ^ (NSUInteger)self.valueType;
}
@end