fontLabel.font = [UIFont fontWithName:@"Marion" size:17];

/*     UIFontDescriptorFamilyAttribute：设置字体家族名     UIFontDescriptorNameAttribute  ：设置字体的字体名     UIFontDescriptorSizeAttribute  ：设置字体尺寸     UIFontDescriptorMatrixAttribute：设置字体形变*/    UIFontDescriptor *attributeFontDescriptor = [UIFontDescriptor fontDescriptorWithFontAttributes:                                                 @{UIFontDescriptorFamilyAttribute: @"Marion",                                                   UIFontDescriptorNameAttribute:@"Marion-Regular",                                                   UIFontDescriptorSizeAttribute: @40.0,                                                   UIFontDescriptorMatrixAttribute:[NSValue valueWithCGAffineTransform:CGAffineTransformMakeRotation(M_1_PI*1.5)                                                                                    ]}];    fnotLabel.font = [UIFont fontWithDescriptor:attributeFontDescriptor size:0.0];

NSLog(@"familyNames：%@",[UIFont familyNames]);

- (void)asynchronouslySetFontName:(NSString *)fontName{    UIFont* aFont = [UIFont fontWithName:fontName size:24];// If the font is already downloadedif (aFont && ([aFont.fontName compare:fontName] == NSOrderedSame || [aFont.familyName compare:fontName] == NSOrderedSame)) {// Go ahead and display the sample text.        _fLabelView.text = @"欢迎查看我的博客";        _fLabelView.font = [UIFont fontWithName:fontName size:24];return;    }

// Create a dictionary with the font's PostScript name.    NSMutableDictionary *attrs = [NSMutableDictionary dictionaryWithObjectsAndKeys:fontName, kCTFontNameAttribute, nil];

// Create a new font descriptor reference from the attributes dictionary.    CTFontDescriptorRef desc = CTFontDescriptorCreateWithAttributes((__bridge CFDictionaryRef)attrs);

    NSMutableArray *descs = [NSMutableArray arrayWithCapacity:0];    [descs addObject:(__bridge id)desc];    CFRelease(desc);

    __block BOOL errorDuringDownload = NO;

// Start processing the font descriptor..// This function returns immediately, but can potentially take long time to process.// The progress is notified via the callback block of CTFontDescriptorProgressHandler type.// See CTFontDescriptor.h for the list of progress states and keys for progressParameter dictionary.    CTFontDescriptorMatchFontDescriptorsWithProgressHandler( (__bridge CFArrayRef)descs, NULL,  ^(CTFontDescriptorMatchingState state, CFDictionaryRef progressParameter) {

//NSLog( @"state %d - %@", state, progressParameter);

double progressValue = [[(__bridge NSDictionary *)progressParameter objectForKey:(id)kCTFontDescriptorMatchingPercentage] doubleValue];

if (state == kCTFontDescriptorMatchingDidBegin) {            dispatch_async( dispatch_get_main_queue(), ^ {// Show an activity indicator                NSLog(@"Begin Matching");            });        } else if (state == kCTFontDescriptorMatchingDidFinish) {            dispatch_async( dispatch_get_main_queue(), ^ {// Remove the activity indicator

// Display the sample text for the newly downloaded font                _fLabelView.text = @"欢迎查看我的博客";                _fLabelView.font = [UIFont fontWithName:fontName size:24];

// Log the font URL in the console                CTFontRef fontRef = CTFontCreateWithName((__bridge CFStringRef)fontName, 0., NULL);                CFStringRef fontURL = CTFontCopyAttribute(fontRef, kCTFontURLAttribute);                NSLog(@"%@", (__bridge NSURL*)(fontURL));                CFRelease(fontURL);                CFRelease(fontRef);

if (!errorDuringDownload) {                    NSLog(@"%@ downloaded", fontName);                }            });        } else if (state == kCTFontDescriptorMatchingWillBeginDownloading) {            dispatch_async( dispatch_get_main_queue(), ^ {// Show a progress bar

                NSLog(@"Begin Downloading");            });        } else if (state == kCTFontDescriptorMatchingDidFinishDownloading) {            dispatch_async( dispatch_get_main_queue(), ^ {// Remove the progress bar

                NSLog(@"Finish downloading");            });        } else if (state == kCTFontDescriptorMatchingDownloading) {            dispatch_async( dispatch_get_main_queue(), ^ {// Use the progress bar to indicate the progress of the downloading                NSLog(@"Downloading %.0f%% complete", progressValue);            });        } else if (state == kCTFontDescriptorMatchingDidFailWithError) {// An error has occurred.// Get the error message            NSError *error = [(__bridge NSDictionary *)progressParameter objectForKey:(id)kCTFontDescriptorMatchingError];if (error != nil) {                _errorMessage = [error description];            } else {                _errorMessage = @"ERROR MESSAGE IS NOT AVAILABLE!";            }// Set our flag            errorDuringDownload = YES;

            dispatch_async( dispatch_get_main_queue(), ^ {                NSLog(@"Download error: %@", _errorMessage);            });        }return (bool)YES;    });   }

- (void)viewDidLoad {    [super viewDidLoad];// Do any additional setup after loading the view, typically from a nib.    _fLabelView = [[UITextView alloc] initWithFrame:CGRectMake(50, 100, 250, 100)];    [self.view addSubview:_fLabelView];

    [self asynchronouslySetFontName:@"HanziPenSC-W3"];

}