如何为Cocoapod添加自定义字体？ [英] How do I add a custom font to a Cocoapod?

问题描述

我想在Cocoapod中使用自定义字体，但是在静态库中使用自定义字体找不到任何东西。由于没有info.plist文件，因此没有位置告诉应用程序使用哪种字体。

I want to use a custom font within a Cocoapod, but I can't find anything on using a custom font within a static library. As there is no info.plist file, there is no where to tell the app what font to use.

有什么想法吗？

推荐答案

有一种使用自定义字体而不向plist文件添加任何内容的方法。

There is a way of using a custom font without adding anything to the plist file.

    NSBundle *bundle = [NSBundle bundleForClass:[self class]];
    NSURL *fontURL = [bundle URLForResource:<#fontName#> withExtension:@"otf"/*or TTF*/];
    NSData *inData = [NSData dataWithContentsOfURL:fontURL];
    CFErrorRef error;
    CGDataProviderRef provider = CGDataProviderCreateWithCFData((CFDataRef)inData);
    CGFontRef font = CGFontCreateWithDataProvider(provider);
    if (!CTFontManagerRegisterGraphicsFont(font, &error)) {
        CFStringRef errorDescription = CFErrorCopyDescription(error);
        NSLog(@"Failed to load font: %@", errorDescription);
        CFRelease(errorDescription);
    }
    CFSafeRelease(font);
    CFSafeRelease(provider);

您还需要 CFSafeRelease 函数

void CFSafeRelease(CFTypeRef cf) {
    if (cf != NULL) {
        CFRelease(cf);
    }
}

来源：动态加载iOS字体。

快速等效：

extension UIFont {
    static func registerFont(bundle: Bundle, fontName: String, fontExtension: String) -> Bool {
        guard let fontURL = bundle.url(forResource: fontName, withExtension: fontExtension) else {
            fatalError("Couldn't find font \(fontName)")
        }

        guard let fontDataProvider = CGDataProvider(url: fontURL as CFURL) else {
            fatalError("Couldn't load data from the font \(fontName)")
        }

        guard let font = CGFont(fontDataProvider) else {
            fatalError("Couldn't create font from data")
        }

        var error: Unmanaged<CFError>?
        let success = CTFontManagerRegisterGraphicsFont(font, &error)
        guard success else {
            print("Error registering font: maybe it was already registered.")
            return false
        }

        return true
    }
}

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