Quartz2D绘制圆形进度条

#import "ViewController.h"
#import "IProgressView.h"

@interface ViewController ()

@property (strong, nonatomic) IBOutlet IProgressView *pinkView;
@property (strong, nonatomic) IBOutlet UILabel *progressLabel;

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
}

- (IBAction)sliderValueChanged:(UISlider *)sender {
    float value = sender.value;
    self.progressLabel.text = [NSString stringWithFormat:@"%.1f%%", value * 100];
    self.pinkView.progress = value;
}

@end#import "ViewController.h"
#import "IProgressVi