//
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// GradientProgressView.m
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// screendisplay
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//
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// Created by 单军华 on 2018/7/10.
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// Copyright © 2018年 单军华. All rights reserved.
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//
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#import "GradientProgressView.h"
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@interface GradientProgressView (){
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UIColor *_bgProgressColor;
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NSArray *_colorArr;
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CGFloat _progress;
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}
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@property (nonatomic, strong) CALayer *bgLayer;
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@property (nonatomic, strong) CAGradientLayer *gradientLayer;
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@end
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@implementation GradientProgressView
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- (void)setProgress:(CGFloat)progress {
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if (progress < 0) {
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_progress = 0;
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}
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if (progress > 1) {
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_progress = 1;
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}
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_progress = progress;
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[self updateProgressView];
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}
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- (void)setColorArr:(NSArray *)colorArr {
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if (colorArr.count >= 2) {
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_colorArr = colorArr;
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}else {
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NSLog(@">>>>>颜色数组个数小于2，显示默认颜色");
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}
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}
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- (void)updateProgressView {
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self.gradientLayer.bounds = CGRectMake(0, 0, self.frame.size.width * self.progress, self.frame.size.height);
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self.gradientLayer.colors = self.colorArr;
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}
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#pragma mark - init
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/*从Xib创建对象时调用*/
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- (instancetype)initWithCoder:(NSCoder *)aDecoder{
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self = [super initWithCoder:aDecoder];
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if(self) {
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[self commonInit];
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}
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return self;
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}
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/*从代码创建对象时调用*/
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- (instancetype)initWithFrame:(CGRect)frame{
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self = [super initWithFrame:frame];
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if(self) {
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[self commonInit];
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}
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return self;
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}
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- (void)commonInit{
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_colorArr = @[(id)HexColor(0xFDDF76).CGColor, (id)HexColor(0xFEBC19).CGColor];
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_progress = 0.65;
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_bgProgressColor = HexColor(0xf2f2f2);
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}
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-(void)drawRect:(CGRect)rect{
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if (!_bgLayer) {
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_bgLayer = [CALayer layer];
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//一般不用frame，因为不支持隐式动画
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_bgLayer.bounds = CGRectMake(0, 0, rect.size.width, rect.size.height);
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_bgLayer.anchorPoint = CGPointMake(0, 0);
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_bgLayer.backgroundColor = self.bgProgressColor.CGColor;
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// _bgLayer.cornerRadius = rect.size.height / 2.;
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[self.layer addSublayer:_bgLayer];
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}
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if (!_gradientLayer) {
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_gradientLayer = [CAGradientLayer layer];
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_gradientLayer.bounds = CGRectMake(0, 0, rect.size.width * self.progress, rect.size.height);
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_gradientLayer.startPoint = CGPointMake(0, 0);
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_gradientLayer.endPoint = CGPointMake(1, 0);
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_gradientLayer.anchorPoint = CGPointMake(0, 0);
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NSArray *colorArr = self.colorArr;
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_gradientLayer.colors = colorArr;
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//_gradientLayer.cornerRadius = rect.size.height / 2.;
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[self.layer addSublayer:_gradientLayer];
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}
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//self.layer.cornerRadius = rect.size.height / 2.;
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self.clipsToBounds = YES;
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}
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@end
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