Core Text

// フォントの準備
CTFontRef font = CTFontCreateWithName(CFSTR("Times"), 48, NULL);
 
// 属性付き文字列の生成
CFStringRef keys[] = { kCTFontAttributeName };
CFTypeRef values[] = { font };
CFDictionaryRef attr = CFDictionaryCreate(NULL, (const void **)&keys, (const void **)&values,
                                          sizeof(keys) / sizeof(keys[0]), &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
CFAttributedStringRef attrString = CFAttributedStringCreate(NULL, CFSTR("Hello, World!"), attr);
CFRelease(attr);
 
// 文字列の描画
CTLineRef line = CTLineCreateWithAttributedString(attrString);
CGContextSetTextMatrix(context, CGAffineTransformIdentity);
CGContextSetTextPosition(context, 10, 20);
CTLineDraw(line, context);
 
// 後片付け
CFRelease(line);
CFRelease(attrString);
CFRelease(font);