image图片拉伸

p.p1 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px "PingFang SC"; color: #1d9421 }
p.p2 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo }
p.p3 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; color: #1d9421 }
p.p4 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; color: #3d1d81 }
p.p5 { margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px Menlo; min-height: 21.0px }
span.s1 { font: 18.0px Menlo }
span.s2 { }
span.s3 { color: #c32275 }
span.s4 { color: #000000 }
span.s5 { color: #6122ae }
span.s6 { color: #3d1d81 }
span.s7 { color: #0435ff }
span.s8 { color: #c91b13 }
span.s9 { font: 18.0px "PingFang SC"; color: #c91b13 }
span.s10 { color: #703daa }
span.s11 { font: 18.0px "PingFang SC" }
span.s12 { font: 18.0px Menlo; color: #000000 }

//iOS5以前设置拉伸图片

-(void)loadImageBeforeIOS5{

//35*30

UIButton *nextButton = [[UIButton alloc] initWithFrame:CGRectMake(80, 180, 100, 40)];

[nextButton setTitle:@"iOS5之前" forState:UIControlStateNormal];

nextButton.layer.borderColor=[[UIColor redColor] CGColor];

nextButton.layer.borderWidth=1.0f;

UIImage *image = [UIImage imageNamed:@"Question"];

// 设置左边端盖宽度  rightCap=width - leftCapWidth - 1

NSInteger leftCapWidth = image.size.width * 0.5;

// 设置上边端盖高度  bottom=height - topCapWidth - 1

NSInteger topCapHeight = image.size.height * 0.5;

UIImage *newImage = [image stretchableImageWithLeftCapWidth:leftCapWidth topCapHeight:topCapHeight];

[nextButton setBackgroundImage:newImage forState:UIControlStateNormal];

[self.view addSubview:nextButton];

}

//iOS5 拉伸图片

-(void)loadImageIOS5{

UIImage *image = [UIImage imageNamed:@"Question"];

UIButton  *resizableButton=[[UIButton alloc]initWithFrame:CGRectMake(80, 250, 100, 40)];

[resizableButton setTitle:@"iOS5" forState:UIControlStateNormal];

// 设置端盖的值

CGFloat top = image.size.height * 0.5;

CGFloat left = image.size.width * 0.5;

CGFloat bottom = image.size.height * 0.5;

CGFloat right = image.size.width * 0.5;

UIEdgeInsets edgeInsets = UIEdgeInsetsMake(top, left, bottom, right);

// 拉伸图片

UIImage *edgeImage = [image resizableImageWithCapInsets:edgeInsets];

// 设置按钮的背景图片

[resizableButton setBackgroundImage:edgeImage forState:UIControlStateNormal];

[self.view addSubview:resizableButton];

}

//iOS6 拉伸图片

-(void)loadImageAfterIOS6{

UIImage *image = [UIImage imageNamed:@"Question"];

UIButton  *resizableButtonMode=[[UIButton alloc]initWithFrame:CGRectMake(80, 320, 180, 400)];

[resizableButtonMode setTitle:@"iOS6" forState:UIControlStateNormal];

[resizableButtonMode addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];

// 设置上左下右边距

CGFloat topMode= image.size.height * 0.5;

CGFloat leftMode= image.size.width * 0.5;

CGFloat bottomMode= image.size.height * 0.5;

CGFloat rightMode= image.size.width * 0.5;

UIEdgeInsets edgeInsetsMode= UIEdgeInsetsMake(topMode, leftMode, bottomMode, rightMode);

// 拉伸图片

UIImage *edgeModeImage = [image resizableImageWithCapInsets:edgeInsetsMode resizingMode:UIImageResizingModeStretch];

//    UIImage *edgeModeImage = [image resizableImageWithCapInsets:edgeInsetsMode resizingMode:UIImageResizingModeTile];

//设置图片

[resizableButtonMode setBackgroundImage:edgeModeImage forState:UIControlStateNormal];

[self.view addSubview:resizableButtonMode];

}