//

// ScanBGView.m

// Coding_iOS

//

// Created by Ease on 15/7/6.

// Copyright (c) 2015年 Coding. All rights reserved.

//

#import "ScanBGView.h"

@implementation ScanBGView

- (void)setBackgroundColor:(UIColor *)backgroundColor{

super.backgroundColor = backgroundColor;

[self setNeedsDisplay];

}

- (void)setScanRect:(CGRect)scanRect{

_scanRect = scanRect;

[self setNeedsDisplay];

}

- (void)drawRect:(CGRect)rect{

CGContextRef context = UIGraphicsGetCurrentContext();

CGRect bounds = self.bounds;

[[UIColor clearColor] setFill];

CGContextFillRect(context, rect);

[self.backgroundColor setFill];

CGRect topRect = CGRectMake(0, 0, CGRectGetWidth(bounds), CGRectGetMinY(_scanRect));

CGRect bottomRect = CGRectMake(0, CGRectGetMaxY(_scanRect), CGRectGetWidth(bounds), CGRectGetHeight(bounds) - CGRectGetMaxY(_scanRect));

CGRect leftRect = CGRectMake(0, CGRectGetMinY(_scanRect), CGRectGetMinX(_scanRect), CGRectGetHeight(_scanRect));

CGRect rightRect = CGRectMake(CGRectGetMaxX(_scanRect), CGRectGetMinY(_scanRect), CGRectGetWidth(bounds) - CGRectGetMaxX(_scanRect), CGRectGetHeight(_scanRect));

CGContextAddRect(context, topRect);

CGContextAddRect(context, bottomRect);

CGContextAddRect(context, leftRect);

CGContextAddRect(context, rightRect);

CGContextFillPath(context);

}

@end