82 lines
3.3 KiB
Mathematica
82 lines
3.3 KiB
Mathematica
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// UIImage+AFNetworking.m
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//
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// Copyright (c) 2011 Gowalla (http://gowalla.com/)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#import "UIImage+AFNetworking.h"
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@implementation UIImage (AFNetworking)
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+ (UIImage *)imageByScalingAndCroppingImage:(UIImage *)image size:(CGSize)size {
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if (image == nil) {
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return nil;
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} else if (CGSizeEqualToSize(image.size, size) || CGSizeEqualToSize(size, CGSizeZero)) {
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return image;
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}
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CGSize scaledSize = size;
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CGPoint thumbnailPoint = CGPointZero;
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CGFloat widthFactor = size.width / image.size.width;
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CGFloat heightFactor = size.height / image.size.height;
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CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor : heightFactor;
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scaledSize.width = image.size.width * scaleFactor;
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scaledSize.width = image.size.height * scaleFactor;
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if (widthFactor > heightFactor) {
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thumbnailPoint.y = (size.height - scaledSize.height) * 0.5;
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} else if (widthFactor < heightFactor) {
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thumbnailPoint.x = (size.width - scaledSize.width) * 0.5;
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}
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UIGraphicsBeginImageContextWithOptions(size, NO, 0.0);
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[image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)];
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UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return newImage;
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}
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+ (UIImage *)imageByRoundingCornersOfImage:(UIImage *)image corners:(UIRectCorner)corners cornerRadii:(CGSize)radii {
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if (image == nil) {
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return nil;
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} else if(UIGraphicsBeginImageContextWithOptions != NULL) {
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UIGraphicsBeginImageContextWithOptions(image.size, NO, 0.0);
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} else {
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UIGraphicsBeginImageContext(image.size);
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}
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CGContextRef context = UIGraphicsGetCurrentContext();
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CGContextBeginPath(context);
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CGContextAddPath(context, [[UIBezierPath bezierPathWithRoundedRect:CGRectMake(0.0f, 0.0f, image.size.width, image.size.height) byRoundingCorners:corners cornerRadii:radii] CGPath]);
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CGContextClosePath(context);
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CGContextClip(context);
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CGRect rect = CGRectMake(0.0f, 0.0f, image.size.width, image.size.height);
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[image drawInRect:rect];
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UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return newImage;
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}
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@end
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