头像图片裁剪

1.第三方 

TZImagePickerController.h

- (void)pushTZImagePickerController {
    //    if (self.maxCountTF.text.integerValue <= 0) {
    //        return;
    //    }
    TZImagePickerController *imagePickerVc = [[TZImagePickerController alloc] initWithMaxImagesCount:1 columnNumber:3 delegate:self pushPhotoPickerVc:YES];
    // imagePickerVc.navigationBar.translucent = NO;
    
#pragma mark - 五类个性化设置，这些参数都可以不传，此时会走默认设置
    imagePickerVc.isSelectOriginalPhoto = YES;
    
    //    if (self.maxCountTF.text.integerValue > 1) {
    // 1.设置目前已经选中的图片数组
    //        imagePickerVc.selectedAssets = YES; // 目前已经选中的图片数组
    //    }
    imagePickerVc.allowTakePicture = YES; // 在内部显示拍照按钮
    imagePickerVc.allowTakeVideo = YES;   // 在内部显示拍视频按
    imagePickerVc.videoMaximumDuration = 10; // 视频最大拍摄时间
    [imagePickerVc setUiImagePickerControllerSettingBlock:^(UIImagePickerController *imagePickerController) {
        imagePickerController.videoQuality = UIImagePickerControllerQualityTypeHigh;
    }];
    
    // imagePickerVc.photoWidth = 1000;
    
    // 2. Set the appearance
    // 2. 在这里设置imagePickerVc的外观
    // imagePickerVc.navigationBar.barTintColor = [UIColor greenColor];
    // imagePickerVc.oKButtonTitleColorDisabled = [UIColor lightGrayColor];
    // imagePickerVc.oKButtonTitleColorNormal = [UIColor greenColor];
    // imagePickerVc.navigationBar.translucent = NO;
    imagePickerVc.iconThemeColor = [UIColor colorWithRed:31 / 255.0 green:185 / 255.0 blue:34 / 255.0 alpha:1.0];
    imagePickerVc.showPhotoCannotSelectLayer = YES;
    imagePickerVc.cannotSelectLayerColor = [[UIColor whiteColor] colorWithAlphaComponent:0.8];
    [imagePickerVc setPhotoPickerPageUIConfigBlock:^(UICollectionView *collectionView, UIView *bottomToolBar, UIButton *previewButton, UIButton *originalPhotoButton, UILabel *originalPhotoLabel, UIButton *doneButton, UIImageView *numberImageView, UILabel *numberLabel, UIView *divideLine) {
        [doneButton setTitleColor:[UIColor redColor] forState:UIControlStateNormal];
    }];
    /*
     [imagePickerVc setAssetCellDidSetModelBlock:^(TZAssetCell *cell, UIImageView *imageView, UIImageView *selectImageView, UILabel *indexLabel, UIView *bottomView, UILabel *timeLength, UIImageView *videoImgView) {
     cell.contentView.clipsToBounds = YES;
     cell.contentView.layer.cornerRadius = cell.contentView.tz_width * 0.5;
     }];
     */
    
    // 3. Set allow picking video & photo & originalPhoto or not
    // 3. 设置是否可以选择视频/图片/原图
    imagePickerVc.allowPickingVideo = NO;
    imagePickerVc.allowPickingImage = YES;
    imagePickerVc.allowPickingOriginalPhoto = YES;
    imagePickerVc.allowPickingGif = NO;
    imagePickerVc.allowPickingMultipleVideo = NO; // 是否可以多选视频
    
    // 4. 照片排列按修改时间升序
    imagePickerVc.sortAscendingByModificationDate = NO;
    
    //     imagePickerVc.minImagesCount = 3;
    // imagePickerVc.alwaysEnableDoneBtn = YES;
    
    // imagePickerVc.minPhotoWidthSelectable = 3000;
    // imagePickerVc.minPhotoHeightSelectable = 2000;
    
    /// 5. Single selection mode, valid when maxImagesCount = 1
    /// 5. 单选模式,maxImagesCount为1时才生效
    imagePickerVc.showSelectBtn = NO;
    imagePickerVc.allowCrop = YES;
    //    imagePickerVc.needCircleCrop = YES;
    // 设置竖屏下的裁剪尺寸
    NSInteger left = 30;
    NSInteger widthHeight = self.view.frame.size.width - 2 * left;
    NSInteger top = (self.view.frame.size.height - widthHeight) / 2;
    //    imagePickerVc.cropRect = CGRectMake(left, top, widthHeight, widthHeight);
    imagePickerVc.cropRect = CGRectMake(left, top, widthHeight, widthHeight);
    //imagePickerVc.allowPreview = NO;
    // Deprecated, Use statusBarStyle
    // imagePickerVc.isStatusBarDefault = NO;
    imagePickerVc.statusBarStyle = UIStatusBarStyleLightContent;
    
    // 设置是否显示图片序号
    imagePickerVc.showSelectedIndex = YES;
    
#pragma mark - 到这里为止
    
    // You can get the photos by block, the same as by delegate.
    // 你可以通过block或者代理，来得到用户选择的照片.
    [imagePickerVc setDidFinishPickingPhotosHandle:^(NSArray<UIImage *> *photos, NSArray *assets, BOOL isSelectOriginalPhoto) {
        NSLog(@"");
        for (UIImage *img in photos) {
            self.image = img;
            
        }
        [self.tableView reloadData];
    }];
    
    [self presentViewController:imagePickerVc animated:YES completion:nil];
}