kmpdfkit_demo/PDFViewer/View/CPDFTextPreview.m

//
//  CPDFTextPreview.m
//  PDFViewer
//
//  Created by kdan on 2022/11/18.
//

#import "CPDFTextPreview.h"
#import "Masonry.h"

@implementation CPDFTextPreview

- (instancetype)initWithFrame:(CGRect)frame
{
    if (self = [super initWithFrame:frame]) {
        _watermarkLabel = [[UILabel alloc] init];
        _rotationBtn = [UIButton buttonWithType:UIButtonTypeCustom];
        _documentView = [[UIImageView alloc] init];

        [self addSubview:_documentView];
        [_documentView addSubview:_watermarkLabel];
        [_documentView addSubview:_rotationBtn];
    }
    return self;
}

- (void)layoutSubviews {
    [super layoutSubviews];

    _watermarkLabel.layer.borderWidth = 2;
    _watermarkLabel.layer.borderColor = UIColor.blackColor.CGColor;
    _watermarkLabel.text = @"Watermark";
    _watermarkLabel.textColor = UIColor.redColor;
    _watermarkLabel.font = [UIFont systemFontOfSize:24];
    
    [_watermarkLabel sizeToFit];
    CGRect frame = _watermarkLabel.frame;
    frame.origin = CGPointMake(self.bounds.size.width / 2 - _watermarkLabel.frame.size.width / 2, self.bounds.size.height / 2 - _watermarkLabel.frame.size.height / 2);
    _watermarkLabel.frame = frame;
    
    _rotationBtn.layer.cornerRadius = 10;
    _rotationBtn.layer.masksToBounds = YES;
    _rotationBtn.layer.borderColor = UIColor.blueColor.CGColor;
    [_rotationBtn setBackgroundImage:[UIImage imageNamed:@"btn_selected"] forState:UIControlStateNormal];
    
//    [_rotationBtn mas_makeConstraints:^(MASConstraintMaker *make) {
//        make.top.equalTo(self.watermarkLabel).offset(self.watermarkLabel.frame.size.height - 10);
//        make.bottom.equalTo(self.watermarkLabel).offset(10);
//        make.right.equalTo(self.watermarkLabel).offset(20);
//        make.left.equalTo(self.watermarkLabel).offset(self.watermarkLabel.frame.size.width);
//        make.width.equalTo(@20);
//        make.height.equalTo(@20);
//    }];
    _rotationBtn.frame = CGRectMake(self.bounds.size.width / 2 + _watermarkLabel.frame.size.width / 2 - 10, self.bounds.size.height / 2 + _watermarkLabel.frame.size.height / 2 - 10, 20, 20);
    
    _documentView.frame = self.bounds;
    _documentView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
}

@end