//
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// UIImage+DDKit.m
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// DDCategory
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//
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// Created by DeJohn Dong on 14-12-21.
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// Copyright (c) 2014年 DDKit. All rights reserved.
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//
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#import "UIImage+DDKit.h"
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@implementation UIImage (DDKit)
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+ (UIImage *)dd_createImageWithCGSize:(CGSize)size color:(UIColor *)color{
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CGSize imageSize = size;
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UIGraphicsBeginImageContextWithOptions(imageSize, 0, [UIScreen mainScreen].scale);
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[color set];
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UIRectFill(CGRectMake(0, 0, imageSize.width, imageSize.height));
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UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return image;
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}
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+ (UIImage *)dd_navigationBarBackButton
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{
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CGSize size = CGSizeMake(18.0, 30.0);
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UIGraphicsBeginImageContextWithOptions(size, 0, [UIScreen mainScreen].scale);
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[[UIColor clearColor] set];
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UIRectFill(CGRectMake(0, 0, 18.0, 30.0));
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CGContextRef ctx = UIGraphicsGetCurrentContext();
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//画四个边角
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CGContextSetLineWidth(ctx, 2.5);
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CGContextSetRGBStrokeColor(ctx, 1, 1, 1, 1);
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//左上角
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CGPoint pointsTopLeftA[] = {
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CGPointMake(1, 15.5),
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CGPointMake(10, 6)
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};
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CGPoint pointsTopLeftB[] = {
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CGPointMake(1, 14.5),
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CGPointMake(10, 24)
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};
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[self addLine:pointsTopLeftA pointB:pointsTopLeftB ctx:ctx];
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CGContextStrokePath(ctx);
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UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return image;
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}
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+ (void)addLine:(CGPoint[])pointA pointB:(CGPoint[])pointB ctx:(CGContextRef)ctx {
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CGContextAddLines(ctx, pointA, 2);
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CGContextAddLines(ctx, pointB, 2);
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}
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@end
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