//
//  KKCutGridLayer.m
//  WWImageEdit
//
//  Created by 邬维 on 2017/1/16.
//  Copyright © 2017年 kook. All rights reserved.
//

#import "KKCutGridLayer.h"

@implementation KKCutGridLayer


- (void)drawInContext:(CGContextRef)context
{
    CGRect rct = self.bounds;
    CGContextSetFillColorWithColor(context, self.bgColor.CGColor);
    CGContextFillRect(context, rct);
    
    //清除范围（截图范围）
    CGContextClearRect(context, _clippingRect);
    
    CGContextSetStrokeColorWithColor(context, self.gridColor.CGColor);
    CGContextSetLineWidth(context, 0.8);
    
    rct = self.clippingRect;
    
    CGContextBeginPath(context);
    CGFloat dW = 0;
    //画竖线
    for(int i=0;i<4;++i){
        CGContextMoveToPoint(context, rct.origin.x+dW, rct.origin.y);
        CGContextAddLineToPoint(context, rct.origin.x+dW, rct.origin.y+rct.size.height);
        dW += _clippingRect.size.width/3;
    }
    
    dW = 0;
    
    //画横线
    for(int i=0;i<4;++i){
        CGContextMoveToPoint(context, rct.origin.x, rct.origin.y+dW);
        CGContextAddLineToPoint(context, rct.origin.x+rct.size.width, rct.origin.y+dW);
        dW += rct.size.height/3;
    }
    CGContextStrokePath(context);
}

@end