swift画小黄人

//
//  YellowMan.swift
//  小黄人
//
//  Created by admin on 16/1/23.
//  Copyright © 2016年 jin. All rights reserved.
//

import UIKit

class YellowMan: UIView {
    override func drawRect(rect: CGRect) {
        let yellowMan = UIGraphicsGetCurrentContext()
        let viewSize = self.frame.size
        let middlePoint = CGPointMake(viewSize.width / 2, 0)
        let yellowManW = viewSize.width * 0.5
        let margin:CGFloat = 30
        // 头部圆
        let headerCircle = CGRectMake((viewSize.width - yellowManW) / 2, margin, yellowManW, yellowManW)
        CGContextSetRGBFillColor(yellowMan, 253/255, 215/255, 62/255, 1)
        CGContextAddEllipseInRect(yellowMan, headerCircle)

        // 身体矩形
        let body = CGRectMake(headerCircle.origin.x, margin + (yellowManW * 0.5) , yellowManW, yellowManW)
        CGContextAddRect(yellowMan, body)

        // 尾部圆
        let footerCircel = CGRectMake((viewSize.width - yellowManW) / 2, yellowManW + margin, yellowManW, yellowManW)
        CGContextClosePath(yellowMan)
        CGContextAddEllipseInRect(yellowMan, footerCircel)
        CGContextFillPath(yellowMan)

        // 画眼镜
        let glasserMargin:CGFloat = 5
        let glasses = CGRectMake(body.origin.x - glasserMargin, body.origin.y + glasserMargin, yellowManW + 2 * glasserMargin, yellowManW * 0.15)
        CGContextSetRGBFillColor(yellowMan, 2/255, 2/55, 6/255, 1)
        CGContextAddRect(yellowMan, glasses)
        CGContextFillPath(yellowMan)

        // 画左眼睛
        let eyeW = yellowManW * 0.8 * 0.5
        let eyeMagin = (yellowManW - (eyeW * 2)) / 2
        let leftEye = CGRectMake(body.origin.x + eyeMagin, glasses.origin.y - ((eyeW - glasses.size.height) / 2), eyeW, eyeW)
        CGContextSetRGBFillColor(yellowMan, 58/255, 58/255, 58/255, 1)
        CGContextAddEllipseInRect(yellowMan, leftEye)
        // 画右眼睛
        let rightEye = CGRectMake(body.origin.x + eyeMagin + eyeW, glasses.origin.y - ((eyeW - glasses.size.height) / 2), eyeW, eyeW)
        CGContextAddEllipseInRect(yellowMan, rightEye)
        CGContextFillPath(yellowMan)

        // 画左眼睛
        let eyeWa = eyeW * 0.8
        let eyeMagina = ((eyeW - eyeWa) * 0.5)
        let leftEyea = CGRectMake(leftEye.origin.x + eyeMagina, leftEye.origin.y + eyeMagina, eyeWa, eyeWa)
        CGContextSetRGBFillColor(yellowMan, 254/255, 254/255, 254/255, 1)
        CGContextAddEllipseInRect(yellowMan, leftEyea)
        // 画右眼睛
        let rightEyea = CGRectMake(rightEye.origin.x + eyeMagina, rightEye.origin.y + eyeMagina, eyeWa, eyeWa)
        CGContextAddEllipseInRect(yellowMan, rightEyea)
        CGContextFillPath(yellowMan)

        // 画左眼睛
        let eyeWb = eyeWa * 0.5 * 0.8
        let eyeMaginb = eyeWa * 0.5
        let leftEyeb = CGRectMake(leftEyea.origin.x + eyeMaginb, (leftEyea.size.height - eyeWb) * 0.5 + leftEyea.origin.y, eyeWb, eyeWb)
        CGContextSetRGBFillColor(yellowMan, 114/255, 28/255, 26/255, 1)
        CGContextAddEllipseInRect(yellowMan, leftEyeb)
        // 画右眼睛
        let rightEyeb = CGRectMake(rightEyea.origin.x + (eyeMaginb - eyeWb), (rightEyea.size.height - eyeWb) * 0.5 + rightEyea.origin.y, eyeWb, eyeWb)
        CGContextAddEllipseInRect(yellowMan, rightEyeb)
        CGContextFillPath(yellowMan)

        // 画左眼睛
        let eyeWc = eyeWb * 0.5
        let eyeMaginc = (eyeWb - eyeWc) * 0.5
        let leftEyec = CGRectMake(leftEyeb.origin.x + eyeMaginc, leftEyeb.origin.y + eyeMaginc, eyeWc, eyeWc)
        CGContextSetRGBFillColor(yellowMan, 0/255, 0/255, 0/255, 1)
        CGContextAddEllipseInRect(yellowMan, leftEyec)
        // 画右眼睛
        let rightEyec = CGRectMake(rightEyeb.origin.x + eyeMaginc, rightEyeb.origin.y + eyeMaginc, eyeWc, eyeWc)
        CGContextAddEllipseInRect(yellowMan, rightEyec)
        CGContextFillPath(yellowMan)

        // 画左眼睛
        let eyeWd = eyeWc * 0.5
        let eyeMagind = (eyeWc - eyeWd) * 0.5
        let leftEyed = CGRectMake(leftEyec.origin.x, leftEyec.origin.y, eyeWd, eyeWd)
        CGContextSetRGBFillColor(yellowMan, 255/255, 255/255, 255/255, 1)
        CGContextAddEllipseInRect(yellowMan, leftEyed)
        // 画右眼睛
        let rightEyed = CGRectMake(rightEyec.origin.x, rightEyec.origin.y, eyeWd, eyeWd)
        CGContextAddEllipseInRect(yellowMan, rightEyed)
        CGContextFillPath(yellowMan)


        // 画笑脸
        let smileRadius = yellowManW * 0.3
        let startAngle:Double = 0.3
        CGContextSetLineWidth(yellowMan, 2)
        CGContextAddArc(yellowMan, middlePoint.x, CGRectGetMaxY(leftEye), smileRadius, CGFloat(startAngle * M_PI), CGFloat((1 - startAngle) * M_PI), 0)
        CGContextSetRGBFillColor(yellowMan, 0/255, 0/255, 0/255, 0)
        CGContextStrokePath(yellowMan)

    }
}