Iphone 要删除标签的边框和固定点吗

我正在创建一个标签，该标签将根据用户的需要通过用户触摸来调整大小，我已经使用github中的类完成了这项工作

但它在标签上显示锚点和边框，我希望在使用“单击背景”时，此锚点和边框将被删除..hlp

编辑

userresizebleview.h文件

@interface UserResizableView : UIView {
    SPGripViewBorderView *borderView;
    UIView *contentView;
    CGPoint touchStart;
    CGFloat minWidth;
    CGFloat minHeight;

    BOOL shouldDrawAnchorPoint;
    // Used to determine which components of the bounds we'll be modifying, based upon where the user's touch started.
    SPUserResizableViewAnchorPoint anchorPoint;

    id <UserResizableViewDelegate> delegate;
}

@interface userresizebleview:UIView{
SPGripViewBorderView*边框视图；
UIView*contentView；
CGPoint触摸启动；
CGF最小宽度；
cg-minHeight；
布尔应拉锚点；
//用于根据用户触摸的起始位置确定要修改边界的哪些组件。
SpuserResilizableeWanchorpoint锚点；
id代表；
}

userresizebleview.m文件

@implementation SPGripViewBorderView

- (id)initWithFrame:(CGRect)frame {
    if ((self = [super initWithFrame:frame])) {
        // Clear background to ensure the content view shows through.
        self.backgroundColor = [UIColor clearColor];
        shouldDrawAnchorPoint = NO;
    }

    return self;
}

- (void)drawRect:(CGRect)rect {
    if(shouldDrawAnchorPoint)
    {
    CGContextRef context = UIGraphicsGetCurrentContext();
    CGContextSaveGState(context);

    // (1) Draw the bounding box.
    CGContextSetLineWidth(context, 1.0);
    CGContextSetStrokeColorWithColor(context, [UIColor clearColor].CGColor);
    CGContextAddRect(context, CGRectInset(self.bounds, kSPUserResizableViewInteractiveBorderSize/2, kSPUserResizableViewInteractiveBorderSize/2));
    CGContextStrokePath(context);

    // (2) Calculate the bounding boxes for each of the anchor points.
    CGRect upperLeft = CGRectMake(0.0, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect upperRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect lowerRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect lowerLeft = CGRectMake(0.0, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect upperMiddle = CGRectMake((self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize)/2, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect lowerMiddle = CGRectMake((self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize)/2, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect middleLeft = CGRectMake(0.0, (self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize)/2, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
    CGRect middleRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, (self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize)/2, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);

    // (3) Create the gradient to paint the anchor points.
    CGFloat colors []= { 
        0.4, 0.8, 1.0, 1.0, 
       0.0, 0.0, 1.0, 1.0
    };
    CGColorSpaceRef baseSpace = CGColorSpaceCreateDeviceRGB();
    CGGradientRef gradient = CGGradientCreateWithColorComponents(baseSpace, NO, NULL, 2);
    CGColorSpaceRelease(baseSpace), baseSpace = NULL;


    // (4) Set up the stroke for drawing the border of each of the anchor points.
    CGContextSetLineWidth(context, 1);
    CGContextSetShadow(context, CGSizeMake(0.5, 0.5), 1);
    CGContextSetStrokeColorWithColor(context, [UIColor blackColor].CGColor);

    // (5) Fill each anchor point using the gradient, then stroke the border.
    CGRect allPoints[8] = { upperLeft, upperRight, lowerRight, lowerLeft, upperMiddle, lowerMiddle, middleLeft, middleRight };
    for (NSInteger i = 0; i < 8; i++) {
        CGRect currPoint = allPoints[i];
        CGContextSaveGState(context);
        CGContextAddEllipseInRect(context, currPoint);
        CGContextClip(context);
        CGPoint startPoint = CGPointMake(CGRectGetMidX(currPoint), CGRectGetMinY(currPoint));
        CGPoint endPoint = CGPointMake(CGRectGetMidX(currPoint), CGRectGetMaxY(currPoint));
        CGContextDrawLinearGradient(context, gradient, startPoint, endPoint, 0);
        CGContextRestoreGState(context);
        CGContextStrokeEllipseInRect(context, CGRectInset(currPoint, 1, 1));
    }

    CGGradientRelease(gradient), gradient = NULL;
    CGContextRestoreGState(context);
    }
}
- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    shouldDrawAnchorPoint = YES;
    // Notify the delegate we've begun our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidBeginEditing:)]) {
        [self.delegate userResizableViewDidBeginEditing:self];
    }

    [borderView setHidden:NO];
    UITouch *touch = [touches anyObject];
    anchorPoint = [self anchorPointForTouchLocation:[touch locationInView:self]];

    // When resizing, all calculations are done in the superview's coordinate space.
    touchStart = [touch locationInView:self.superview];
    if (![self isResizing]) {
        // When translating, all calculations are done in the view's coordinate space.
        touchStart = [touch locationInView:self];
    }
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    shouldDrawAnchorPoint = NO;
    // Notify the delegate we've ended our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidEndEditing:)]) {
        [self.delegate userResizableViewDidEndEditing:self];
        [borderView setHidden:YES];
        UITouch *touch = [touches anyObject];
        anchorPoint = [self anchorPointForTouchLocation:[touch locationInView:self]];
    }
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
    shouldDrawAnchorPoint = NO;
    // Notify the delegate we've ended our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidEndEditing:)]) {
        [self.delegate userResizableViewDidEndEditing:self];
    }
}

@implementation-spgripvieworderview
-（id）initWithFrame:（CGRect）帧{
if（（self=[super initWithFrame:frame]））{
//清除背景以确保内容视图显示完整。
self.backgroundColor=[UIColor clearColor]；
shouldDrawAnchorPoint=否；
}
回归自我；
}
-（void）drawRect:（CGRect）rect{
if（shouldDrawAnchorPoint）
{
CGContextRef context=UIGraphicsGetCurrentContext（）；
CGContextSaveGState（上下文）；
//（1）绘制边界框。
CGContextSetLineWidth（上下文，1.0）；
CGContextSetStrokeColorWithColor（上下文[UIColor clearColor].CGColor）；
CGContextAddRect（上下文，CGRectInset（self.bounds，kSPUserResizableViewInteractiveBorderSize/2，kSPUserResizableViewInteractiveBorderSize/2））；
CGContextStrokePath（上下文）；
//（2）计算每个锚定点的边界框。
CGRect upperLeft=CGRectMake（0.0,0.0，kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize）；
CGRect upperRight=CGRectMake（self.bounds.size.width-kSPUserResizableViewInteractiveBorderSize，0.0，kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize）；
CGRect lowerRight=CGRectMake（self.bounds.size.width-kspuserresizebleviewinterActiveBorderSize，self.bounds.size.height-kspuserresizebleviewinterActiveBorderSize，kspuserresizebleviewinterActiveBorderSize，kspuserresizebliewinterActiveBorderSize）；
CGRect lowerLeft=CGRectMake（0.0，self.bounds.size.height-kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize，kSPUserResizableViewInteractiveBorderSize）；
CGRect upperMiddle=CGRectMake（（self.bounds.size.width-kspuserResizebleViewInteractiveBorderSize）/2,0.0，kspuserResizebleViewInteractiveBorderSize，kspuserResizebleViewInteractiveBorderSize）；
CGRect LOWERMIDLE=CGRectMake（（self.bounds.size.width-kspuserresizeblevievieinteractivebordersize）/2，self.bounds.size.height-kspuserresizebleviewiinteractivebordersize，kspuserresizebleviewiinteractivebordersize，kspuserresizebleviewiinteractivebordersize）；
CGRect MIDLEFT=CGRectMake（0.0，（self.bounds.size.height-kspuserresizablevievieinteractivebordersize）/2，kspuserresizableviewiinteractivebordersize，kspuserresizableviewiinteractivebordersize）；
CGRect middleRight=CGRectMake（self.bounds.size.width-kspuserresizeblevievieinteractiveborderSize，（self.bounds.size.height-kspuserresizebleviewiinteractiveborderSize）/2，kspuserresizebleviewiinteractiveborderSize，kspuserresizebleviewiinteractiveborderSize）；
//（3）创建渐变以绘制锚点。
CGFloat颜色[]={
0.4, 0.8, 1.0, 1.0, 
0.0, 0.0, 1.0, 1.0
};
CGColorSpaceRef baseSpace=CGColorSpaceCreateDeviceRGB（）；
CGGradientRef gradient=CGGradientCreateWithColorComponents（baseSpace，NO，NULL，2）；
CGColorSpaceRelease（baseSpace），baseSpace=NULL；
//（4）设置绘制每个锚定点边界的行程。
CGContextSetLineWidth（上下文，1）；
CGContextSetShadow（上下文，CGSizeMake（0.5,0.5），1）；
CGContextSetStrokeColorWithColor（上下文[UIColor blackColor].CGColor）；
//（5）使用坡度填充每个锚定点，然后划过边界。
CGRect allPoints[8]={upperLeft，upperRight，lowerRight，lowerLeft，upperMiddle，lowerMiddle，middleLeft，middleRight}；
对于（NSInteger i=0；i<8；i++）{
CGRect currPoint=所有点[i]；
CGContextSaveGState（上下文）；
CGContextAddEllipseInRect（上下文，currPoint）；
CGContextClip（上下文）；
CGPoint startPoint=CGPointMake（CGRectGetMidX（currPoint），CGRectGetMinY（currPoint））；
CGPoint endPoint=CGPointMake（CGRectGetMidX（currPoint），CGRectGetMaxY（currPoint））；
CGContextDrawLinearGradient（上下文、渐变、起点、终点，0）；
CGContextRestoreGState（上下文）；
CGContextStrokeEllipseInRect（上下文，CGRectInset（currPoint，1，1））；
}
CGGradientRelease（梯度），梯度=NULL；
CGContextRestoreGState（上下文）；
}
}
-（无效）触摸开始：（NSSet*）触摸事件：（UIEvent*）事件{
shouldDrawAnchorPoint=是；
//通知学员我们已开始编辑课程。
if（self.delegate&&[self.delegate respondsToSelector:@selector（userresizeableviewidbeginediting:）））{
[self.delegate userresizeableviewdibeginediting:self]；
}
[边界视图设置隐藏：否]；
UITouch*touch=[触摸任何对象]；
anchorPoint=[self anchorPointForTouchLocation:[touch locationInView:self]]；
//调整大小时，所有计算都在superview的坐标空间中完成。
touchStart=[TouchLocationInView:self.superview]；
如果（！[self isresising]）{
//平移时，所有计算都在视图的坐标空间中完成。
touchStart=[触摸位置查看：自]；
}
}
-（void）touchesend:（NSSet*）toucheevent:（UIEvent*）event{
shouldDrawAnchorPoint=否；
//通知学员我们已结束编辑会话。
if（self.delegate&[self.delegate respondsToSelector:@selector（userresizeableviewdidendediting:）））{
[self.del]
@interface SPGripViewBorderView : UIView
{
  BOOL shouldDrawAnchorPoint;
}

@property(nonatomic, readwrite) BOOL shouldDrawAnchorPoint;

@end

@implementation SPGripViewBorderView

@synthesize shouldDrawAnchorPoint;

- (id)initWithFrame:(CGRect)frame {
    if ((self = [super initWithFrame:frame])) {
        // Clear background to ensure the content view shows through.
        self.backgroundColor = [UIColor clearColor];
        shouldDrawAnchorPoint = NO;
    }
    return self;
}

- (void)drawRect:(CGRect)rect {

    if(shouldDrawAnchorPoint)
    {
        CGContextRef context = UIGraphicsGetCurrentContext();
        CGContextSaveGState(context);

        // (1) Draw the bounding box.
        CGContextSetLineWidth(context, 1.0);
        CGContextSetStrokeColorWithColor(context, [UIColor blueColor].CGColor);
        CGContextAddRect(context, CGRectInset(self.bounds, kSPUserResizableViewInteractiveBorderSize/2, kSPUserResizableViewInteractiveBorderSize/2));
        CGContextStrokePath(context);

        // (2) Calculate the bounding boxes for each of the anchor points.
        CGRect upperLeft = CGRectMake(0.0, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect upperRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect lowerRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect lowerLeft = CGRectMake(0.0, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect upperMiddle = CGRectMake((self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize)/2, 0.0, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect lowerMiddle = CGRectMake((self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize)/2, self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect middleLeft = CGRectMake(0.0, (self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize)/2, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);
        CGRect middleRight = CGRectMake(self.bounds.size.width - kSPUserResizableViewInteractiveBorderSize, (self.bounds.size.height - kSPUserResizableViewInteractiveBorderSize)/2, kSPUserResizableViewInteractiveBorderSize, kSPUserResizableViewInteractiveBorderSize);

        // (3) Create the gradient to paint the anchor points.
        CGFloat colors [] = {
        0.4, 0.8, 1.0, 1.0,
        0.0, 0.0, 1.0, 1.0
        };
        CGColorSpaceRef baseSpace = CGColorSpaceCreateDeviceRGB();
        CGGradientRef gradient = CGGradientCreateWithColorComponents(baseSpace, colors, NULL, 2);
        CGColorSpaceRelease(baseSpace), baseSpace = NULL;

        // (4) Set up the stroke for drawing the border of each of the anchor points.
        CGContextSetLineWidth(context, 1);
        CGContextSetShadow(context, CGSizeMake(0.5, 0.5), 1);
        CGContextSetStrokeColorWithColor(context, [UIColor whiteColor].CGColor);

        // (5) Fill each anchor point using the gradient, then stroke the border.
        CGRect allPoints[8] = { upperLeft, upperRight, lowerRight, lowerLeft, upperMiddle, lowerMiddle, middleLeft, middleRight };
        for (NSInteger i = 0; i < 8; i++) {
            CGRect currPoint = allPoints[i];
            CGContextSaveGState(context);
            CGContextAddEllipseInRect(context, currPoint);
            CGContextClip(context);
            CGPoint startPoint = CGPointMake(CGRectGetMidX(currPoint), CGRectGetMinY(currPoint));
            CGPoint endPoint = CGPointMake(CGRectGetMidX(currPoint), CGRectGetMaxY(currPoint));
            CGContextDrawLinearGradient(context, gradient, startPoint, endPoint, 0);
            CGContextRestoreGState(context);
            CGContextStrokeEllipseInRect(context, CGRectInset(currPoint, 1, 1));
        }
        CGGradientRelease(gradient), gradient = NULL;
        CGContextRestoreGState(context);
    }
}
@end

- (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    borderView.shouldDrawAnchorPoint = YES;
    [borderView needsDisplay];

    // Notify the delegate we've begun our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidBeginEditing:)]) {
        [self.delegate userResizableViewDidBeginEditing:self];
    }

    [borderView setHidden:NO];
    UITouch *touch = [touches anyObject];
    anchorPoint = [self anchorPointForTouchLocation:[touch locationInView:self]];

    // When resizing, all calculations are done in the superview's coordinate space.
    touchStart = [touch locationInView:self.superview];
    if (![self isResizing]) {
        // When translating, all calculations are done in the view's coordinate space.
        touchStart = [touch locationInView:self];
    }
}

- (void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    borderView.shouldDrawAnchorPoint = NO;
    [borderView needsDisplay];

    // Notify the delegate we've ended our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidEndEditing:)]) {
        [self.delegate userResizableViewDidEndEditing:self];
    }
}

- (void)touchesCancelled:(NSSet *)touches withEvent:(UIEvent *)event {
    borderView.shouldDrawAnchorPoint = NO;
    [borderView needsDisplay];

    // Notify the delegate we've ended our editing session.
    if (self.delegate && [self.delegate respondsToSelector:@selector(userResizableViewDidEndEditing:)]) {
        [self.delegate userResizableViewDidEndEditing:self];
    }
}