iOS 绘图CAGradientLayer~demo

//联系人:石虎QQ: 1224614774昵称:嗡嘛呢叭咪哄

一、CAGradientLayer 效果图

二、代码实现

//

//  ViewController.m

//  CAGradientLayer~demo1

//

//  Created by石虎on 2017/9/5.

//  Copyright © 2017年石虎. All rights reserved.

//

#import"ViewController.h"

@interfaceViewController()

@end

@implementationViewController

- (void)viewDidLoad {

[superviewDidLoad];

CAGradientLayer*colorLayer = [CAGradientLayerlayer];

colorLayer.frame= (CGRect){CGPointZero,CGSizeMake(400,600)};

colorLayer.position=self.view.center;

[self.view.layeraddSublayer:colorLayer];

//颜色分配

colorLayer.colors=@[(__bridgeid)[UIColorredColor].CGColor,

(__bridgeid)[UIColorgreenColor].CGColor,

(__bridgeid)[UIColororangeColor].CGColor,

(__bridgeid)[UIColoryellowColor].CGColor,

(__bridgeid)[UIColormagentaColor].CGColor,

(__bridgeid)[UIColorpurpleColor].CGColor,

(__bridgeid)[UIColorbrownColor].CGColor,

(__bridgeid)[UIColorblueColor].CGColor];

//颜色分割线

colorLayer.locations=@[@(0.15),@(0.3),@(0.45),@(0.55),@(0.65),@(0.75)];

//起始点

colorLayer.startPoint=CGPointMake(0,0);

//结束点(垂直)

//colorLayer.endPoint   = CGPointMake(1, 0);

//结束点(45度)

colorLayer.endPoint=CGPointMake(1,1);

}

@end

谢谢!!!