UIImageHandle.m
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//
// UIImageHandle.m
// ZZFramework
//
// Created by Yuan on 16/1/4.
// Copyright © 2016年 zzl. All rights reserved.
//
#import "UIImageHandle.h"
@implementation UIImageHandle
+(UIImage*)scaleImage:(UIImage *)image multiple:(CGFloat) multiple
{
CGSize size = CGSizeMake(image.size.width * multiple, image.size.height * multiple);
UIGraphicsBeginImageContext(size);
[image drawInRect:CGRectMake(0,0,size.width,size.height)];
UIImage*newImage=UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
+(UIImage *)compressImage:(UIImage *)artWork
{
NSData *data2 = UIImageJPEGRepresentation(artWork, 0.7);
UIImage *image = [UIImage imageWithData:data2];
return image;
}
+(UIImage*)cutRectangleImage:(UIImage *)image rect:(CGRect)rect
{
CGImageRef subImageRef = CGImageCreateWithImageInRect(image.CGImage, rect);
CGRect cutBounds = CGRectMake(0, 0, CGImageGetWidth(subImageRef), CGImageGetHeight(subImageRef));
UIGraphicsBeginImageContext(cutBounds.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextDrawImage(context, cutBounds, subImageRef);
UIImage* cutImage = [UIImage imageWithCGImage:subImageRef];
UIGraphicsEndImageContext();
return cutImage;
}
@end