iOS 自定义图片 聊天气泡制作

实现图片拉伸,两边,上下,以及尖角不会变形,实现图片气泡聊天的效果

//气泡对话

+(UIImage*)resizeWithImage2:(UIImage*)image;

+(UIImage*)resizeWithImage2:(UIImage*)image{

CGFloattop = image.size.height/2.0;

CGFloatleft = image.size.width/2.0;

CGFloatbottom = image.size.height/2.0;

CGFloatright = image.size.width/2.0;

return[imageresizableImageWithCapInsets:UIEdgeInsetsMake(top, left, bottom, right)resizingMode:UIImageResizingModeStretch];

}