//
//  ViewController.m
//  SignDemo
//
//  Created by yunlong on 2017/6/28.
//  Copyright © 2017年 yunlong. All rights reserved.
//

#import "SignViewController.h"
#import "BJTSignView.h"

#define kScreenHeight [UIScreen mainScreen].bounds.size.height
#define kScreenWidth [UIScreen mainScreen].bounds.size.width
@interface SignViewController ()
@property(nonatomic,strong) BJTSignView *signView;
@property(nonatomic,strong) UIImageView *imageView;
@end

@implementation SignViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    self.navigationItem.title = @"签名";
         UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
         [button setBackgroundImage:[UIImage imageNamed:@"icon_back.png"]
                           forState:UIControlStateNormal];
         [button addTarget:self action:@selector(goBack)
          forControlEvents:UIControlEventTouchUpInside];
         button.frame = CGRectMake(0, 0,15,18);
         UIBarButtonItem *menuButton = [[UIBarButtonItem alloc] initWithCustomView:button];
         self.navigationItem.leftBarButtonItem = menuButton;
    // Do any additional setup after loading the view.
    self.view.backgroundColor = [UIColor whiteColor];
    //画布
    UIView *backView = [[UIView alloc] initWithFrame:CGRectMake(0, 20, kScreenWidth, 300)];
    backView.layer.borderWidth = 1;
    backView.layer.borderColor = [[UIColor lightGrayColor] CGColor];
    [self.view addSubview:backView];
    self.signView = [[BJTSignView alloc] initWithFrame:backView.bounds];
    [backView addSubview:self.signView];
    
    
    UIButton *clearBtn = [[UIButton alloc] initWithFrame:CGRectMake(Screen_Width/2-100,CGRectGetMaxY(backView.frame)+20, 90, 25)];
    [clearBtn setTitle:@"清除签名" forState:UIControlStateNormal];
    [clearBtn setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
    [self.view addSubview:clearBtn];
    [clearBtn addTarget:self action:@selector(clearBtnClick) forControlEvents:UIControlEventTouchUpInside];
    
    UIButton *imageBtn = [[UIButton alloc] initWithFrame:CGRectMake(CGRectGetMaxX(clearBtn.frame)+20, CGRectGetMaxY(backView.frame)+20, 90, 25)];
    [imageBtn setTitle:@"生成图片" forState:UIControlStateNormal];
    [imageBtn setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
    [self.view addSubview:imageBtn];
    [imageBtn addTarget:self action:@selector(imageBtnClick) forControlEvents:UIControlEventTouchUpInside];

    
}

-(void) goBack
{
    [self.navigationController popViewControllerAnimated:YES];
}
#pragma mark - 清楚图片
- (void)clearBtnClick{
    [self.signView clearSignature];
}

#pragma mark - 生成图片
- (void)imageBtnClick{
    UIImage *image  =  [self.signView getSignatureImage];
    if([self.signDelegate respondsToSelector:@selector(getSignImg:)])
    {
        [self.signDelegate getSignImg:image];
    }
    [self.navigationController popViewControllerAnimated:YES];
}


- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    
}
@end