YYXC_Student/jiaPei/Vendor/SmallVideo/General/Tool/SLMethod.m

//
//  SLMethod.m
//  DarkMode
//
//  Created by wsl on 2020/4/24.
//  Copyright © 2020 https://github.com/wsl2ls   ----- . All rights reserved.
//

#import "SLMethod.h"

@implementation SLMethod

+ (void)userDefaultsSetObject:(nullable id)value forKey:(NSString *)key {
    NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
    NSDictionary *dict = @{key:value};
    [userDefault setObject:dict forKey:SLUserDefaultsKey];
    [userDefault synchronize];
}
+ (id)userDefaultsObjectForKey:(NSString *)key {
    NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];
    NSDictionary *dict = [userDefault objectForKey:SLUserDefaultsKey];
    return dict[key];
}

/// 动态计算文字的宽高
+ (CGSize)sizeFromText:(NSString *)text textFont:(UIFont *)font maxSize:(CGSize)maxSize {
    if(text == nil || text == NULL || [text isKindOfClass:[NSNull class]] || [[text stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] length] == 0){
        return CGSizeZero;
    }
    NSDictionary *attrs = @{NSFontAttributeName:font};
    CGSize size = [text boundingRectWithSize:CGSizeMake(maxSize.width, maxSize.height) options:NSStringDrawingUsesLineFragmentOrigin attributes:attrs context:nil].size;
    return CGSizeMake(ceil(size.width), ceil(size.height));
}
+ (CGSize)sizeFromAttributedText:(NSAttributedString *)attributedText maxSize:(CGSize)maxSize
{
    if (attributedText == nil) {
        return CGSizeZero;
    }
    CGSize size = [attributedText boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingUsesFontLeading context:nil].size;
    return CGSizeMake(ceil(size.width), (ceil(size.height)+1));
}

/// 切四个不同半径圆角的函数
/// @param bounds 区域
/// @param cornerRadii 四个圆角的半径
+ (CGPathRef)cornerPathCreateWithRoundedRect:(CGRect)bounds  cornerRadii:(SLCornerRadii)cornerRadii {
    const CGFloat minX = CGRectGetMinX(bounds);
    const CGFloat minY = CGRectGetMinY(bounds);
    const CGFloat maxX = CGRectGetMaxX(bounds);
    const CGFloat maxY = CGRectGetMaxY(bounds);
    
    const CGFloat topLeftCenterX = minX +  cornerRadii.topLeft;
    const CGFloat topLeftCenterY = minY + cornerRadii.topLeft;
    
    const CGFloat topRightCenterX = maxX - cornerRadii.topRight;
    const CGFloat topRightCenterY = minY + cornerRadii.topRight;
    
    const CGFloat bottomLeftCenterX = minX +  cornerRadii.bottomLeft;
    const CGFloat bottomLeftCenterY = maxY - cornerRadii.bottomLeft;
    
    const CGFloat bottomRightCenterX = maxX -  cornerRadii.bottomRight;
    const CGFloat bottomRightCenterY = maxY - cornerRadii.bottomRight;
    //虽然顺时针参数是YES，在iOS中的UIView中，这里实际是逆时针
    
    CGMutablePathRef path = CGPathCreateMutable();
    //顶 左
    CGPathAddArc(path, NULL, topLeftCenterX, topLeftCenterY,cornerRadii.topLeft, M_PI, 3 * M_PI_2, NO);
    //顶 右
    CGPathAddArc(path, NULL, topRightCenterX , topRightCenterY, cornerRadii.topRight, 3 * M_PI_2, 0, NO);
    //底 右
    CGPathAddArc(path, NULL, bottomRightCenterX, bottomRightCenterY, cornerRadii.bottomRight,0, M_PI_2, NO);
    //底 左
    CGPathAddArc(path, NULL, bottomLeftCenterX, bottomLeftCenterY, cornerRadii.bottomLeft, M_PI_2,M_PI, NO);
    CGPathCloseSubpath(path);
    return path;
}

@end