@yangdingli@增加插件IPUMobileUIPlugin.getSign

IPUMobileFunc/IPUMobileFunc.xcodeproj/project.pbxproj

@@ -15,6 +15,11 @@
		045994D224247BBF0002F4A3 /* IPUScreenCapture.m in Sources */ = {isa = PBXBuildFile; fileRef = 045994D024247BBF0002F4A3 /* IPUScreenCapture.m */; };
		04C30B9B22E6ADF200BA7B68 /* IPUTipsHUDPlugin.m in Sources */ = {isa = PBXBuildFile; fileRef = 04C30B9922E6ADF200BA7B68 /* IPUTipsHUDPlugin.m */; };
		04C30B9C22E6ADF200BA7B68 /* IPUTipsHUDPlugin.h in Headers */ = {isa = PBXBuildFile; fileRef = 04C30B9A22E6ADF200BA7B68 /* IPUTipsHUDPlugin.h */; settings = {ATTRIBUTES = (Public, ); }; };
		76EC0CDB276056A30019B2F5 /* IPUSignStoryboard.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 76EC0CD62760569E0019B2F5 /* IPUSignStoryboard.storyboard */; };
		76EC0CDC276056A30019B2F5 /* IPUSignViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 76EC0CD72760569F0019B2F5 /* IPUSignViewController.m */; };
		76EC0CDD276056A30019B2F5 /* IPUSignView.h in Headers */ = {isa = PBXBuildFile; fileRef = 76EC0CD8276056A10019B2F5 /* IPUSignView.h */; };
		76EC0CDE276056A30019B2F5 /* IPUSignViewController.h in Headers */ = {isa = PBXBuildFile; fileRef = 76EC0CD9276056A20019B2F5 /* IPUSignViewController.h */; };
		76EC0CDF276056A30019B2F5 /* IPUSignView.m in Sources */ = {isa = PBXBuildFile; fileRef = 76EC0CDA276056A30019B2F5 /* IPUSignView.m */; };
		76FEC2E3275F4E2100F87937 /* IPUDialogUtil.h in Headers */ = {isa = PBXBuildFile; fileRef = 76FEC2E1275F4E2000F87937 /* IPUDialogUtil.h */; };
		76FEC2E4275F4E2100F87937 /* IPUDialogUtil.m in Sources */ = {isa = PBXBuildFile; fileRef = 76FEC2E2275F4E2100F87937 /* IPUDialogUtil.m */; };
		B2074DAB24AC82B700E6E924 /* IPUClipBoardPlugin.m in Sources */ = {isa = PBXBuildFile; fileRef = B2074DA924AC82B700E6E924 /* IPUClipBoardPlugin.m */; };
@@ -153,6 +158,11 @@
		045994D024247BBF0002F4A3 /* IPUScreenCapture.m */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.objc; path = IPUScreenCapture.m; sourceTree = "<group>"; };
		04C30B9922E6ADF200BA7B68 /* IPUTipsHUDPlugin.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IPUTipsHUDPlugin.m; sourceTree = "<group>"; };
		04C30B9A22E6ADF200BA7B68 /* IPUTipsHUDPlugin.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IPUTipsHUDPlugin.h; sourceTree = "<group>"; };
		76EC0CD62760569E0019B2F5 /* IPUSignStoryboard.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; path = IPUSignStoryboard.storyboard; sourceTree = "<group>"; };
		76EC0CD72760569F0019B2F5 /* IPUSignViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IPUSignViewController.m; sourceTree = "<group>"; };
		76EC0CD8276056A10019B2F5 /* IPUSignView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IPUSignView.h; sourceTree = "<group>"; };
		76EC0CD9276056A20019B2F5 /* IPUSignViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IPUSignViewController.h; sourceTree = "<group>"; };
		76EC0CDA276056A30019B2F5 /* IPUSignView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IPUSignView.m; sourceTree = "<group>"; };
		76FEC2E1275F4E2000F87937 /* IPUDialogUtil.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = IPUDialogUtil.h; sourceTree = "<group>"; };
		76FEC2E2275F4E2100F87937 /* IPUDialogUtil.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IPUDialogUtil.m; sourceTree = "<group>"; };
		B2074DA924AC82B700E6E924 /* IPUClipBoardPlugin.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = IPUClipBoardPlugin.m; sourceTree = "<group>"; };
@@ -288,6 +298,18 @@
/* End PBXFrameworksBuildPhase section */
/* Begin PBXGroup section */
		76EC0CD5276056790019B2F5 /* sign */ = {
			isa = PBXGroup;
			children = (
				76EC0CD62760569E0019B2F5 /* IPUSignStoryboard.storyboard */,
				76EC0CD8276056A10019B2F5 /* IPUSignView.h */,
				76EC0CDA276056A30019B2F5 /* IPUSignView.m */,
				76EC0CD9276056A20019B2F5 /* IPUSignViewController.h */,
				76EC0CD72760569F0019B2F5 /* IPUSignViewController.m */,
			);
			path = sign;
			sourceTree = "<group>";
		};
		B2445C7C21F177E8007AB82E /* Utils */ = {
			isa = PBXGroup;
			children = (
@@ -431,6 +453,7 @@
		B2D71A0122A6528F00604504 /* Implementation */ = {
			isa = PBXGroup;
			children = (
				76EC0CD5276056790019B2F5 /* sign */,
				B2D71A0222A652E400604504 /* IPUBasicUtil.h */,
				B2D71A0322A652E400604504 /* IPUBasicUtil.m */,
				B2D71A2A22A66D2500604504 /* IPUEmailUtil.h */,
@@ -513,6 +536,7 @@
				B264A22B22B33EB200714D0D /* IPUDatabaseUtil.h in Headers */,
				B28E568621F1A76E00422D15 /* IPUCustomCameraPlugin.h in Headers */,
				B28E56D621F1C3D100422D15 /* IPUAuthenticationPlugin.h in Headers */,
				76EC0CDE276056A30019B2F5 /* IPUSignViewController.h in Headers */,
				B2D5191D23B5ADE1008086A7 /* IPUBMapPlugin.h in Headers */,
				B2445C7F21F1780E007AB82E /* IPUDatabaseHelper.h in Headers */,
				B28E56B221F1B89E00422D15 /* IPUMailPlugin.h in Headers */,
@@ -533,6 +557,7 @@
				B28E569A21F1AE0600422D15 /* IPUImageCachePlugin.h in Headers */,
				B28E567421F188DF00422D15 /* IPUUNIRestUtil.h in Headers */,
				B2DB0D61273A6BCB0010074A /* EBBannerWindow.h in Headers */,
				76EC0CDD276056A30019B2F5 /* IPUSignView.h in Headers */,
				B28E56D221F1C39700422D15 /* IPUSystemPermissionPlugin.h in Headers */,
				B2464E8822CF2C4E002A159E /* IPUNetworkUtil.h in Headers */,
				B22F9162274BAAA30034D77D /* IPUNFCPlugin.h in Headers */,
@@ -637,6 +662,7 @@
			files = (
				B2DB0D67273A6BCB0010074A /* EBBannerView.xib in Resources */,
				B2DB0D68273A6BCB0010074A /* EBBannerViewController.xib in Resources */,
				76EC0CDB276056A30019B2F5 /* IPUSignStoryboard.storyboard in Resources */,
			);
			runOnlyForDeploymentPostprocessing = 0;
		};
@@ -662,6 +688,7 @@
				045994D224247BBF0002F4A3 /* IPUScreenCapture.m in Sources */,
				B26A20A123CD9E0200844692 /* UIImage+IPUCompress.m in Sources */,
				04449845267997990024A808 /* IPUSysLocationPlugin.m in Sources */,
				76EC0CDF276056A30019B2F5 /* IPUSignView.m in Sources */,
				B281A33B22CC85B600D69B25 /* IPUAudioPlugin.m in Sources */,
				B28E568721F1A76E00422D15 /* IPUCustomCameraPlugin.m in Sources */,
				B271C33A22ADE4AC0030F3C9 /* IPUUploadDownloadUtil.m in Sources */,
@@ -705,6 +732,7 @@
				B2DB0D6D273A6BCB0010074A /* EBBannerView+Categories.m in Sources */,
				B264A22C22B33EB200714D0D /* IPUDatabaseUtil.m in Sources */,
				B2DB0D70273A6BCB0010074A /* EBBannerViewController.m in Sources */,
				76EC0CDC276056A30019B2F5 /* IPUSignViewController.m in Sources */,
				B29195532539307500AD4C60 /* IPUServiceChangePlugin.m in Sources */,
				04C30B9B22E6ADF200BA7B68 /* IPUTipsHUDPlugin.m in Sources */,
				B28E568F21F1A8F500422D15 /* IPUCameraPlugin.m in Sources */,

IPUMobileFunc/IPUMobileFunc/IPUMobileUIPlugin.h

@@ -107,8 +107,9 @@
- (void)tip:(NSArray *)param;
//alert弹出框
- (void)alert:(NSArray *)param;
//弹出列表选择alert
/// 弹出列表选择的alert
- (void)getChoice:(NSArray *)params;
/// 弹出一个签名的界面，返回签名照片的base64字符串
/// 如果需要保存到相册，需要添加权限Privacy - Photo Library Additions Usage Description
- (void)getSign:(NSArray *)params;
@end

IPUMobileFunc/IPUMobileFunc/IPUMobileUIPlugin.m

@@ -11,6 +11,7 @@
#import "IPUNetworkPlugin.h"
#import "IPUNetworkUtil.h"
#import "IPUDialogUtil.h"
#import "IPUSignViewController.h"
#import <IPUFoundation/IPUFoundation.h>
#import <IPUMobile/IPUMobile.h>
#import <IPUMobileUI/IPUMobileUI.h>
@@ -817,6 +818,17 @@
    }];
}
- (void)getSign:(NSArray *)params {
    IPUSignViewController *vc = [[UIStoryboard storyboardWithName:"IPUSignStoryboard" bundle:nil] instantiateInitialViewController];
    vc.modalPresentationStyle = UIModalPresentationCustom
    vc.saveToPhotos = false;
    vc.completion = ^(NSString * _Nonnull base64) {
        [self callback: base64];
    }
    UIViewController *current = [self getViewController];
    [current presentViewController:vc animated:true completion:nil];
}
#pragma mark - other method
- (void)clearBackStack:(NSArray *)param {
    [[self.mobileDelegate getFlipperView] clearBackStack];

IPUMobileFunc/IPUMobileFunc/Implementation/IPUDialogUtil.h

@@ -1,6 +1,6 @@
//
//  IPUDialogUtil.h
//  IPUMobile
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.

IPUMobileFunc/IPUMobileFunc/Implementation/IPUDialogUtil.m

@@ -1,6 +1,6 @@
//
//  IPUDialogUtil.m
//  IPUMobile
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.

IPUMobileFunc/IPUMobileFunc/Implementation/sign/IPUSignStoryboard.storyboard

@@ -0,0 +1,72 @@
<?xml version="1.0" encoding="UTF-8"?>
<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="19455" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="Y6W-OH-hqX">
    <device id="retina6_1" orientation="portrait" appearance="light"/>
    <dependencies>
        <deployment identifier="iOS"/>
        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="19454"/>
        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
        <capability name="System colors in document resources" minToolsVersion="11.0"/>
        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
    </dependencies>
    <scenes>
        <!--Sign View Controller-->
        <scene sceneID="s0d-6b-0kx">
            <objects>
                <viewController id="Y6W-OH-hqX" customClass="IPUSignViewController" sceneMemberID="viewController">
                    <view key="view" contentMode="scaleToFill" id="5EZ-qb-Rvc">
                        <rect key="frame" x="0.0" y="0.0" width="414" height="896"/>
                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
                        <subviews>
                            <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="JDQ-qe-blJ" customClass="IPUSignView">
                                <rect key="frame" x="0.0" y="44" width="414" height="763"/>
                                <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                            </view>
                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="nZ7-Az-xxi">
                                <rect key="frame" x="80" y="812" width="80" height="40"/>
                                <constraints>
                                    <constraint firstAttribute="height" constant="40" id="9Ed-Eu-Rwv"/>
                                    <constraint firstAttribute="width" constant="80" id="rYN-Nu-Jsx"/>
                                </constraints>
                                <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
                                <state key="normal" title="Button"/>
                            </button>
                            <button opaque="NO" contentMode="scaleToFill" contentHorizontalAlignment="center" contentVerticalAlignment="center" buttonType="system" lineBreakMode="middleTruncation" translatesAutoresizingMaskIntoConstraints="NO" id="fq0-8T-6Eo">
                                <rect key="frame" x="254" y="812" width="80" height="40"/>
                                <constraints>
                                    <constraint firstAttribute="width" constant="80" id="9xs-5q-bxK"/>
                                    <constraint firstAttribute="height" constant="40" id="sbr-57-GDl"/>
                                </constraints>
                                <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
                                <state key="normal" title="Button"/>
                            </button>
                        </subviews>
                        <viewLayoutGuide key="safeArea" id="vDu-zF-Fre"/>
                        <color key="backgroundColor" systemColor="systemBackgroundColor"/>
                        <constraints>
                            <constraint firstItem="JDQ-qe-blJ" firstAttribute="top" secondItem="vDu-zF-Fre" secondAttribute="top" id="XrI-J0-biz"/>
                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="fq0-8T-6Eo" secondAttribute="trailing" constant="80" id="am9-7w-WM4"/>
                            <constraint firstItem="vDu-zF-Fre" firstAttribute="trailing" secondItem="JDQ-qe-blJ" secondAttribute="trailing" id="cWD-2E-6PR"/>
                            <constraint firstItem="vDu-zF-Fre" firstAttribute="bottom" secondItem="JDQ-qe-blJ" secondAttribute="bottom" constant="55" id="ccY-SJ-Z23"/>
                            <constraint firstItem="nZ7-Az-xxi" firstAttribute="leading" secondItem="vDu-zF-Fre" secondAttribute="leading" constant="80" id="dNO-d2-hmS"/>
                            <constraint firstItem="vDu-zF-Fre" firstAttribute="bottom" secondItem="nZ7-Az-xxi" secondAttribute="bottom" constant="10" id="hVf-iq-PXH"/>
                            <constraint firstItem="JDQ-qe-blJ" firstAttribute="leading" secondItem="vDu-zF-Fre" secondAttribute="leading" id="pFJ-rp-u3i"/>
                            <constraint firstItem="fq0-8T-6Eo" firstAttribute="centerY" secondItem="nZ7-Az-xxi" secondAttribute="centerY" id="x7e-p8-ce8"/>
                        </constraints>
                    </view>
                    <connections>
                        <outlet property="cancelButton" destination="nZ7-Az-xxi" id="fwY-hU-GCo"/>
                        <outlet property="confirmButton" destination="fq0-8T-6Eo" id="V6z-aw-p91"/>
                        <outlet property="signView" destination="JDQ-qe-blJ" id="xD8-gd-mpB"/>
                    </connections>
                </viewController>
                <placeholder placeholderIdentifier="IBFirstResponder" id="Ief-a0-LHa" userLabel="First Responder" customClass="UIResponder" sceneMemberID="firstResponder"/>
            </objects>
            <point key="canvasLocation" x="132" y="117"/>
        </scene>
    </scenes>
    <resources>
        <systemColor name="systemBackgroundColor">
            <color white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
        </systemColor>
    </resources>
</document>

IPUMobileFunc/IPUMobileFunc/Implementation/sign/IPUSignView.h

@@ -0,0 +1,23 @@
//
//  IPUSignView.m
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
NS_ASSUME_NONNULL_BEGIN
IB_DESIGNABLE
@interface IPUSignView : UIView
@property (nonatomic, strong) UIColor *panColor;
@property (nonatomic, assign) CGFloat panLineWidth;
@property (nonatomic, strong) CAShapeLayer *currentDrawLayer;
@property (nonatomic, strong) UIBezierPath *currentDrawPath;
@property (nonatomic, strong) NSMutableArray *drawLayerArray;
@end
NS_ASSUME_NONNULL_END

IPUMobileFunc/IPUMobileFunc/Implementation/sign/IPUSignView.m

@@ -0,0 +1,93 @@
//
//  IPUSignView.m
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.
//
#import "IPUSignView.h"
@implementation IPUSignView
- (instancetype)init {
    if (self = [super init]) {
        self.backgroundColor = [UIColor whiteColor];
        self.panColor = [UIColor blackColor];
        self.panLineWidth = 2.f;
    }
    
    return self;
}
- (instancetype)initWithCoder:(NSCoder *)coder {
    if (self = [super initWithCoder:coder]) {
        self.backgroundColor = [UIColor whiteColor];
        self.panColor = [UIColor blackColor];
        self.panLineWidth = 2.f;
    }
    return self;
}
- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.backgroundColor = [UIColor whiteColor];
        self.panColor = [UIColor blackColor];
        self.panLineWidth = 2.f;
    }
    return self;
}
- (void)dealloc {
    [self releaseAllLayers];
}
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    UITouch *touch = touches.anyObject;
    CGPoint startPoint = [touch locationInView:self];
    
    self.currentDrawLayer = [self makeDrawLayer];
    self.currentDrawPath = [self makeDrawPath];
    [self.currentDrawPath moveToPoint:startPoint];
}
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
    UITouch *touch = touches.anyObject;
    CGPoint currentPoint = [touch locationInView:self];
    
    [self.currentDrawPath addLineToPoint:currentPoint];
    self.currentDrawLayer.path = self.currentDrawPath.CGPath;
}
- (NSMutableArray *)drawLayerArray {
    if (!_drawLayerArray) {
        _drawLayerArray = [NSMutableArray arrayWithCapacity:10];
    }
    return _drawLayerArray;
}
- (CAShapeLayer *)makeDrawLayer {
    CAShapeLayer *drawLayer = [CAShapeLayer layer];
    drawLayer.frame = self.bounds;
    drawLayer.fillColor = [UIColor clearColor].CGColor;
    drawLayer.lineWidth = self.panLineWidth;
    drawLayer.strokeColor = self.panColor.CGColor;
    [self.layer insertSublayer:drawLayer atIndex:(unsigned)self.drawLayerArray.count];
    [self.drawLayerArray addObject:drawLayer];
    return drawLayer;
}
- (UIBezierPath *)makeDrawPath {
    UIBezierPath *drawPath = [UIBezierPath bezierPath];
    drawPath.lineCapStyle = kCGLineCapRound;
    drawPath.lineJoinStyle = kCGLineJoinRound;
    
    return drawPath;
}
- (void)releaseAllLayers {
    [self.drawLayerArray makeObjectsPerformSelector:@selector(removeFromSuperlayer)];
    [self.drawLayerArray removeAllObjects];
}
@end

IPUMobileFunc/IPUMobileFunc/Implementation/sign/IPUSignViewController.h

@@ -0,0 +1,21 @@
//
//  IPUSignViewController.m
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.
//
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
#import "IPUSignView.h"
NS_ASSUME_NONNULL_BEGIN
typedef void(^IPUSignCompletion)(NSString * base64);
@interface IPUSignViewController : UIViewController
@property (nonatomic, copy) IPUSignCompletion completion;
@property (nonatomic, assign) BOOL saveToPhotos;
@end
NS_ASSUME_NONNULL_END

IPUMobileFunc/IPUMobileFunc/Implementation/sign/IPUSignViewController.m

@@ -0,0 +1,86 @@
//
//  IPUSignViewController.m
//  IPUMobileFunc
//
//  Created by yang dingli on 2021/12/7.
//  Copyright © 2021 Asiainfo. All rights reserved.
//
#import "IPUSignViewController.h"
#import <Photos/Photos.h>
@interface IPUSignViewController ()
@property (weak, nonatomic) IBOutlet IPUSignView *signView;
@property (weak, nonatomic) IBOutlet UIButton *cancelButton;
@property (weak, nonatomic) IBOutlet UIButton *confirmButton;
@end
@implementation IPUSignViewController
- (void)loadView {
    [super loadView];
    [[UIDevice currentDevice] setValue:[NSNumber numberWithInteger:UIDeviceOrientationLandscapeLeft] forKey:@"orientation"];
}
- (void)viewDidLoad {
    [super viewDidLoad];
    self.view.backgroundColor = UIColor.whiteColor;
    _cancelButton.layer.cornerRadius = 5;
    _cancelButton.layer.masksToBounds = true;
    [_cancelButton setBackgroundColor:UIColor.systemBlueColor];
    [_cancelButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
    [_cancelButton setTitle:@"取消" forState:UIControlStateNormal];
    [_cancelButton addTarget:self action:@selector(onCancel:) forControlEvents:UIControlEventTouchUpInside];
    _confirmButton.layer.cornerRadius = 5;
    _confirmButton.layer.masksToBounds = true;
    [_confirmButton setBackgroundColor:UIColor.systemBlueColor];
    [_confirmButton setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
    [_confirmButton setTitle:@"确定" forState:UIControlStateNormal];
    [_confirmButton addTarget:self action:@selector(onConfirm:) forControlEvents:UIControlEventTouchUpInside];
}
- (void)dealloc {
    [[UIDevice currentDevice] setValue:[NSNumber numberWithInteger:UIDeviceOrientationPortrait] forKey:@"orientation"];
}
-(void)onConfirm:(UIButton *)sender {
    UIImage *image = [self snapshot:self.signView];
    if (_completion) {
        _completion([self encodeToBase64String:image]);
    }
    if(_saveToPhotos) {
        [self saveImageToPhotos:image];
    }
    [self dismissViewControllerAnimated:true completion:nil];
}
-(void)onCancel:(UIButton *)sender {
    [self dismissViewControllerAnimated:true completion:nil];
}
-(void)saveImageToPhotos:(UIImage*)image{
    [PHPhotoLibrary.sharedPhotoLibrary performChanges:^{
        [PHAssetChangeRequest creationRequestForAssetFromImage: image];
    } completionHandler:^(BOOL success, NSError * _Nullable error) {
        NSLog(@"save iamge to photos result:%@  error:%@", success ? @"成功" : @"失败", error.localizedDescription);
    }];
}
- (UIImage *)snapshot:(UIView *)view {
    UIGraphicsBeginImageContextWithOptions(view.bounds.size, YES, 0);
    [view drawViewHierarchyInRect:view.bounds afterScreenUpdates:YES];
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return image;
}
- (NSString*)encodeToBase64String:(UIImage*)image {
    return [UIImagePNGRepresentation(image) base64EncodedStringWithOptions:NSDataBase64Encoding64CharacterLineLength];
}
@end