IOS 建立一張有顏色的UIImage

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#import <UIKit/UIKit.h>@interface UIImage (ImageWithColor)+ (UIImage *)imageWithColor:(UIColor *)color;@end#import "UIImage+ImageWithColor.h"@implementation UIImage (ImageWithColor)+ (UIImage *)imageWithColor:(UIColor *)color{    CGRect rect = CGRectMake(0, 0, 1, 1);    UIGraphicsBeginImageContext(rect.size);    CGContextRef context = UIGraphicsGetCurrentContext();        CGContextSetFillColorWithColor(context, [color CGColor]);    CGContextFillRect(context, rect);        UIImage *image = UIGraphicsGetImageFromCurrentImageContext();    UIGraphicsEndImageContext();        return image;}@end// 使用

 UIColor *purpleColor = [UIColor colorWithRed:.927f green:.264f blue:.03f alpha:1];

 UIImage *image = [UIImage imageWithColor:purpleColor];

 

IOS 建立一張有顏色的UIImage