#import "UIImage_Extension.h"

@implementation UIImage+Extension

/**

 *返回一张可以随意拉伸不变形的图片

 *

 */

+(UIImage *)resizableImage:(NSString *)name

{

    UIImage *normal=[UIImage imageNamed:name];

    CGFloat w=normal.size.width*0.5;

    CGFloat h=normal.size.height*0.5;

    return [normal resizableImageWithCapInsets:UIEdgeInsetsMake(h, w, h, w)];

}

@end

   [self.textView setBackgroundImage:[UIImage resizableImage:@"chat_send_nor"] forState:UIControlStateNormal];