public Font(Xamarin.Forms.NamedSize namedSize, FontStyle style = 0)
{
UIFont uiFont = UIFont.SystemFontOfSize((float)Xamarin.Forms.Device.GetNamedSize(namedSize, typeof(Xamarin.Forms.Label)));
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = uiFont.FamilyName,
Size = (float)uiFont.PointSize
};
uiFont.Dispose();
if ((style & FontStyle.Bold) != 0)
{
fda.StyleName = "Bold";
}
else if ((style & FontStyle.Italic) != 0)
{
fda.StyleName = "Italic";
}
CTFontDescriptor fd = new CTFontDescriptor(fda);
nativeFont = new CTFont(fd, 0);
fd.Dispose();
}
public void WithFeature()
{
#if __TVOS__
var fontName = "Gujarati Sangam MN";
#else
var fontName = "HoeflerText-Regular";
#endif
using (var font = new CTFont(fontName, 10)) {
var f1 = font.GetFeatures();
var ligatures = f1.Where(l => l.FeatureGroup == FontFeatureGroup.Ligatures).First();
bool rare = ligatures.Selectors.Cast <CTFontFeatureLigatures> ().Any(l => l.Feature == CTFontFeatureLigatures.Selector.RareLigaturesOn);
Assert.That(rare, Is.True, "RareLigaturesOn available");
Assert.That(font.GetFeatureSettings(), Is.Empty, "No custom settings");
}
using (var fd = new CTFontDescriptor(fontName, 20))
using (var rare_on_fd = fd.WithFeature(CTFontFeatureLigatures.Selector.RareLigaturesOn))
using (var font = new CTFont(rare_on_fd, 13)) {
var set_feature = font.GetFeatureSettings()[0];
Assert.That(set_feature.FeatureGroup, Is.EqualTo(FontFeatureGroup.Ligatures), "#1");
Assert.That(set_feature.FeatureWeak, Is.EqualTo((int)CTFontFeatureLigatures.Selector.RareLigaturesOn), "#2");
}
}
public Font(int size, FontStyle style = 0)
{
UIFont uiFont = UIFont.SystemFontOfSize(size);
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = uiFont.FamilyName,
Size = (float)uiFont.PointSize
};
uiFont.Dispose();
if ((style & FontStyle.Bold) != 0)
{
fda.StyleName = "Bold";
}
else if ((style & FontStyle.Italic) != 0)
{
fda.StyleName = "Italic";
}
CTFontDescriptor fd = new CTFontDescriptor(fda);
nativeFont = new CTFont(fd, 0);
fd.Dispose();
}
static CTFont CTFontWithFamilyName(string family, CTFontSymbolicTraits straits, float size, float weight)
{
var bold = Math.Abs(weight - CTFontWeight.Bold) < 0.01f;
var traits = new NSMutableDictionary();
if (Math.Abs(weight) > 0.01 && !bold)
{
traits[CTFontTraitKey.Weight] = NSNumber.FromFloat(weight);
}
if (bold)
{
straits |= CTFontSymbolicTraits.Bold;
}
if (0 != (straits & (CTFontSymbolicTraits.Bold | CTFontSymbolicTraits.Italic)))
{
traits[CTFontTraitKey.Symbolic] = NSNumber.FromUInt32((UInt32)straits);
}
var attrs = new NSMutableDictionary();
attrs[CTFontDescriptorAttributeKey.FamilyName] = (NSString)family;
attrs[CTFontDescriptorAttributeKey.Traits] = traits;
var desc = new CTFontDescriptor(new CTFontDescriptorAttributes(attrs));
var font = new CTFont(desc, size);
return(font);
}
public static CTFontDescriptor GetFontDescriptor(MACaptionAppearanceDomain domain, ref MACaptionAppearanceBehavior behavior, MACaptionAppearanceFontStyle fontStyle)
{
nint b = (int)behavior;
var rv = new CTFontDescriptor(MACaptionAppearanceCopyFontDescriptorForStyle((int)domain, ref b, (int)fontStyle), owns: true);
behavior = (MACaptionAppearanceBehavior)(int)b;
return(rv);
}
public static CTFont GetCtFont(this UIFont font)
{
var fda = new CTFontDescriptorAttributes
{
FamilyName = font.FamilyName,
Size = (float)font.PointSize,
StyleName = font.FontDescriptor.Face
};
var fd = new CTFontDescriptor(fda);
return(new CTFont(fd, 0));
}
public void CTFontCreateWithFontDescriptorAndOptions()
{
TestRuntime.AssertXcodeVersion(5, 0);
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (var fd = new CTFontDescriptor(fda))
using (var font = new CTFont(fd, 10, CTFontOptions.Default)) {
Assert.That(font.Handle, Is.Not.EqualTo(IntPtr.Zero), "Handle");
}
}
public void RegisterFontDescriptors_NoCallback()
{
TestRuntime.AssertXcodeVersion(11, 1); // Introduced in iOS 13.0, but with a bug that makes it crash. Apple fixed it for iOS 13.1
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (CTFontDescriptor fd = new CTFontDescriptor(fda)) {
var array = new [] { fd };
CTFontManager.RegisterFontDescriptors(array, CTFontManagerScope.Process, true, null);
CTFontManager.UnregisterFontDescriptors(array, CTFontManagerScope.Process, null);
}
}
public void RegisterFontDescriptors_WithCallback()
{
TestRuntime.AssertXcodeVersion(11, 0);
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (CTFontDescriptor fd = new CTFontDescriptor(fda)) {
var array = new [] { fd };
CTFontManager.RegisterFontDescriptors(array, CTFontManagerScope.Process, true, SuccessDone);
CTFontManager.UnregisterFontDescriptors(array, CTFontManagerScope.Process, SuccessDone);
}
}
private void CreateNativeFontFamily(string extendedName, FontCollection fontCollection, bool createDefaultIfNotExists)
{
RemoveSemiboldSuffix(extendedName, out string name);
if (fontCollection != null)
{
if (fontCollection.nativeFontDescriptors.ContainsKey(name))
{
nativeFontDescriptor = fontCollection.nativeFontDescriptors [name];
}
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor(SANS_SERIF, 0);
}
}
else
{
nativeFontDescriptor = new CTFontDescriptor(name, 0);
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor(SANS_SERIF, 0);
}
}
if (nativeFontDescriptor == null)
{
throw new ArgumentException("name specifies a font that is not installed on the computer running the application.");
}
else
{
var attrs = nativeFontDescriptor.GetAttributes();
familyName = attrs.FamilyName;
// if the font description attributes do not contain a value for FamilyName then we
// need to try and create the font to get the family name from the actual font.
if (string.IsNullOrEmpty(familyName))
{
var font = new CTFont(nativeFontDescriptor, 0);
familyName = font.FamilyName; // extendedName;
}
}
}
// http://stackoverflow.com/questions/9007991/monotouch-custom-font-with-attributes/9009161#9009161
public void FromAttributes()
{
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (CTFontDescriptor fd = new CTFontDescriptor(fda))
using (CTFont font = new CTFont(fd, 0)) {
// check that the created font match the descriptor's attributes
Assert.That(font.FamilyName, Is.EqualTo("Courier"), "FamilyName");
Assert.That(font.FullName, Is.EqualTo("Courier Bold"), "FullName");
Assert.That(font.Size, Is.EqualTo((nfloat)16), "Size");
// that changed in iOS 8.3, there's an undocumented flag + MonoSpace (make sense) + bold
Assert.True((font.SymbolicTraits & CTFontSymbolicTraits.Bold) != 0, "SymbolicTraits");
}
}
private CTFontDescriptor getDescriptor(FontStyle style)
{
if (!style.HasFlag(FontStyle.Underline) && !style.HasFlag(FontStyle.Strikeout)) return null;
NSMutableDictionary dict = new NSMutableDictionary();
if (style.HasFlag(FontStyle.Underline))
{
NSString underline = UIStringAttributeKey.UnderlineStyle;
dict[underline] = NSNumber.FromInt32((int)NSUnderlineStyle.Single);
}
if (style.HasFlag(FontStyle.Strikeout))
{
NSString strike = UIStringAttributeKey.StrikethroughStyle;
dict[strike] = NSNumber.FromInt32((int)NSUnderlineStyle.Single);
}
CTFontDescriptorAttributes attrs = new CTFontDescriptorAttributes(dict);
CTFontDescriptor desc = new CTFontDescriptor(attrs);
return desc;
}
public void CTFontCreateWithFontDescriptorAndOptions()
{
// Apple documents CTFontCreateWithFontDescriptorAndOptions as availble since 3.2 but it does not work before 7.0 (e.g. 6.1)
// it seems to be a known issue, http://stackoverflow.com/q/4419283 but I still left feedback to Apple to fix it
try {
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (var fd = new CTFontDescriptor(fda))
using (var font = new CTFont(fd, 10, CTFontOptions.Default)) {
Assert.That(font.Handle, Is.Not.EqualTo(IntPtr.Zero), "Handle");
}
}
catch (EntryPointNotFoundException) {
Assert.True(!UIDevice.CurrentDevice.CheckSystemVersion(7, 0), "< iOS 7.0");
}
}
public void RequestFonts()
{
TestRuntime.AssertXcodeVersion(11, 0);
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (CTFontDescriptor fd = new CTFontDescriptor(fda)) {
Assert.Throws <ArgumentNullException> (() => CTFontManager.RequestFonts(new [] { fd }, null), "null");
var callback = false;
CTFontManager.RequestFonts(new [] { fd }, (unresolved) => {
Assert.That(unresolved.Length, Is.EqualTo(0), "all resolved");
callback = true;
});
Assert.True(callback, "callback");
}
}
public Font(string name, int size, FontStyle style = 0)
{
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = name,
Size = size
};
if ((style & FontStyle.Bold) != 0)
{
fda.StyleName = "Bold";
}
else if ((style & FontStyle.Italic) != 0)
{
fda.StyleName = "Italic";
}
CTFontDescriptor fd = new CTFontDescriptor(fda);
nativeFont = new CTFont(fd, 0);
fd.Dispose();
}
protected INativeObject GetINativeInstance(Type t)
{
var ctor = t.GetConstructor (Type.EmptyTypes);
if ((ctor != null) && !ctor.IsAbstract)
return ctor.Invoke (null) as INativeObject;
if (!NativeObjectInterfaceType.IsAssignableFrom (t))
throw new ArgumentException ("t");
switch (t.Name) {
case "CFAllocator":
return CFAllocator.SystemDefault;
case "CFBundle":
var bundles = CFBundle.GetAll ();
if (bundles.Length > 0)
return bundles [0];
else
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
case "CFNotificationCenter":
return CFNotificationCenter.Darwin;
case "CFReadStream":
case "CFStream":
CFReadStream readStream;
CFWriteStream writeStream;
CFStream.CreatePairWithSocketToHost ("www.google.com", 80, out readStream, out writeStream);
return readStream;
case "CFWriteStream":
CFStream.CreatePairWithSocketToHost ("www.google.com", 80, out readStream, out writeStream);
return writeStream;
case "CFUrl":
return CFUrl.FromFile ("/etc");
case "AudioFile":
var path = Path.GetFullPath ("1.caf");
var af = AudioFile.Open (CFUrl.FromFile (path), AudioFilePermission.Read, AudioFileType.CAF);
return af;
case "CFHTTPMessage":
return CFHTTPMessage.CreateEmpty (false);
case "CGBitmapContext":
byte[] data = new byte [400];
using (CGColorSpace space = CGColorSpace.CreateDeviceRGB ()) {
return new CGBitmapContext (data, 10, 10, 8, 40, space, CGBitmapFlags.PremultipliedLast);
}
case "CGContextPDF":
var filename = Environment.GetFolderPath (Environment.SpecialFolder.CommonDocuments) + "/t.pdf";
using (var url = new NSUrl (filename))
return new CGContextPDF (url);
case "CGColorConverter":
var cvt = new CGColorConverterTriple () {
Space = CGColorSpace.CreateGenericRgb (),
Intent = CGColorRenderingIntent.Default,
Transform = CGColorConverterTransformType.ApplySpace
};
return new CGColorConverter (null, cvt, cvt, cvt);
case "CGDataConsumer":
using (NSMutableData destData = new NSMutableData ()) {
return new CGDataConsumer (destData);
}
case "CGDataProvider":
filename = "xamarin1.png";
return new CGDataProvider (filename);
case "CGFont":
return CGFont.CreateWithFontName ("Courier New");
case "CGPattern":
return new CGPattern (
new RectangleF (0, 0, 16, 16),
CGAffineTransform.MakeIdentity (),
16, 16,
CGPatternTiling.NoDistortion,
true,
(cgc) => {});
case "CMBufferQueue":
return CMBufferQueue.CreateUnsorted (2);
case "CTFont":
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes () {
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (var fd = new CTFontDescriptor (fda))
return new CTFont (fd, 10, CTFontOptions.Default);
case "CTFontCollection":
return new CTFontCollection (new CTFontCollectionOptions ());
case "CTFontDescriptor":
fda = new CTFontDescriptorAttributes ();
return new CTFontDescriptor (fda);
case "CTTextTab":
return new CTTextTab (CTTextAlignment.Left, 2);
case "CTTypesetter":
return new CTTypesetter (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 24)
}));
case "CTFrame":
var framesetter = new CTFramesetter (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 24)
}));
var bPath = UIBezierPath.FromRect (new RectangleF (0, 0, 3, 3));
return framesetter.GetFrame (new NSRange (0, 0), bPath.CGPath, null);
case "CTFramesetter":
return new CTFramesetter (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 24)
}));
case "CTGlyphInfo":
return new CTGlyphInfo ("Zapfino", new CTFont ("Arial", 24), "Foo");
case "CTLine":
return new CTLine (new NSAttributedString ("Hello, world",
new CTStringAttributes () {
ForegroundColorFromContext = true,
Font = new CTFont ("Arial", 24)
}));
case "CGImageDestination":
var storage = new NSMutableData ();
return CGImageDestination.Create (new CGDataConsumer (storage), "public.png", 1);
case "CGImageMetadataTag":
using (NSString name = new NSString ("tagName"))
using (var value = new NSString ("value"))
return new CGImageMetadataTag (CGImageMetadataTagNamespaces.Exif, CGImageMetadataTagPrefixes.Exif, name, CGImageMetadataType.Default, value);
case "CGImageSource":
filename = "xamarin1.png";
return CGImageSource.FromUrl (NSUrl.FromFilename (filename));
case "SecPolicy":
return SecPolicy.CreateSslPolicy (false, null);
case "SecIdentity":
using (var options = NSDictionary.FromObjectAndKey (new NSString ("farscape"), SecImportExport.Passphrase)) {
NSDictionary[] array;
var result = SecImportExport.ImportPkcs12 (farscape_pfx, options, out array);
if (result != SecStatusCode.Success)
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0} due to {1}.", t.Name, result));
return new SecIdentity (array [0].LowlevelObjectForKey (SecImportExport.Identity.Handle));
}
case "SecTrust":
X509Certificate x = new X509Certificate (mail_google_com);
using (var policy = SecPolicy.CreateSslPolicy (true, "mail.google.com"))
return new SecTrust (x, policy);
case "SslContext":
return new SslContext (SslProtocolSide.Client, SslConnectionType.Stream);
case "UIFontFeature":
return new UIFontFeature (CTFontFeatureNumberSpacing.Selector.ProportionalNumbers);
case "NetworkReachability":
return new NetworkReachability (IPAddress.Loopback, null);
#if !__TVOS__
case "VTCompressionSession":
case "VTSession":
return VTCompressionSession.Create (1024, 768, CMVideoCodecType.H264, (sourceFrame, status, flags, buffer) => { }, null, (CVPixelBufferAttributes) null);
case "VTFrameSilo":
return VTFrameSilo.Create ();
case "VTMultiPassStorage":
return VTMultiPassStorage.Create ();
#endif
case "CFString":
return new CFString ("test");
case "DispatchQueue":
return new DispatchQueue ("com.example.subsystem.taskXYZ");
case "DispatchGroup":
return DispatchGroup.Create ();
case "CGColorSpace":
return CGColorSpace.CreateAcesCGLinear ();
case "CGGradient":
CGColor[] cArray = { UIColor.Black.CGColor, UIColor.Clear.CGColor, UIColor.Blue.CGColor };
return new CGGradient (null, cArray);
case "CGImage":
filename = "xamarin1.png";
using (var dp = new CGDataProvider (filename))
return CGImage.FromPNG (dp, null, false, CGColorRenderingIntent.Default);
case "CGColor":
return UIColor.Black.CGColor;
case "CMClock":
CMClockError ce;
CMClock clock = CMClock.CreateAudioClock (out ce);
if (ce == CMClockError.None)
return clock;
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
case "CMTimebase":
clock = CMClock.CreateAudioClock (out ce);
if (ce == CMClockError.None) {
return new CMTimebase (clock);
}
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
case "CVPixelBufferPool":
return new CVPixelBufferPool (
new CVPixelBufferPoolSettings (),
new CVPixelBufferAttributes (CVPixelFormatType.CV24RGB, 100, 50)
);
case "SecCertificate":
using (var cdata = NSData.FromArray (mail_google_com))
return new SecCertificate (cdata);
case "SecKey":
SecKey private_key;
SecKey public_key;
using (var record = new SecRecord (SecKind.Key)) {
record.KeyType = SecKeyType.RSA;
record.KeySizeInBits = 512; // it's not a performance test :)
SecKey.GenerateKeyPair (record.ToDictionary (), out public_key, out private_key);
return private_key;
}
case "SecAccessControl":
return new SecAccessControl (SecAccessible.WhenPasscodeSetThisDeviceOnly);
default:
throw new InvalidOperationException (string.Format ("Could not create the new instance for type {0}.", t.Name));
}
}
protected INativeObject GetINativeInstance(Type t)
{
var ctor = t.GetConstructor(Type.EmptyTypes);
if ((ctor != null) && !ctor.IsAbstract)
{
return(ctor.Invoke(null) as INativeObject);
}
if (!NativeObjectInterfaceType.IsAssignableFrom(t))
{
throw new ArgumentException("t");
}
switch (t.Name)
{
case "CFAllocator":
return(CFAllocator.SystemDefault);
case "CFBundle":
var bundles = CFBundle.GetAll();
if (bundles.Length > 0)
{
return(bundles [0]);
}
else
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name));
}
case "CFNotificationCenter":
return(CFNotificationCenter.Darwin);
case "CFReadStream":
case "CFStream":
CFReadStream readStream;
CFWriteStream writeStream;
CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream);
return(readStream);
case "CFWriteStream":
CFStream.CreatePairWithSocketToHost("www.google.com", 80, out readStream, out writeStream);
return(writeStream);
case "CFUrl":
return(CFUrl.FromFile("/etc"));
case "CFPropertyList":
return(CFPropertyList.FromData(NSData.FromString("<string>data</string>")).PropertyList);
case "DispatchData":
return(DispatchData.FromByteBuffer(new byte [] { 1, 2, 3, 4 }));
case "AudioFile":
var path = Path.GetFullPath("1.caf");
var af = AudioFile.Open(CFUrl.FromFile(path), AudioFilePermission.Read, AudioFileType.CAF);
return(af);
case "CFHTTPMessage":
return(CFHTTPMessage.CreateEmpty(false));
case "CFMutableString":
return(new CFMutableString("xamarin"));
case "CGBitmapContext":
byte[] data = new byte [400];
using (CGColorSpace space = CGColorSpace.CreateDeviceRGB()) {
return(new CGBitmapContext(data, 10, 10, 8, 40, space, CGBitmapFlags.PremultipliedLast));
}
case "CGContextPDF":
var filename = Environment.GetFolderPath(Environment.SpecialFolder.CommonDocuments) + "/t.pdf";
using (var url = new NSUrl(filename))
return(new CGContextPDF(url));
case "CGColorConversionInfo":
var cci = new GColorConversionInfoTriple()
{
Space = CGColorSpace.CreateGenericRgb(),
Intent = CGColorRenderingIntent.Default,
Transform = CGColorConversionInfoTransformType.ApplySpace
};
return(new CGColorConversionInfo((NSDictionary)null, cci, cci, cci));
case "CGDataConsumer":
using (NSMutableData destData = new NSMutableData()) {
return(new CGDataConsumer(destData));
}
case "CGDataProvider":
filename = "xamarin1.png";
return(new CGDataProvider(filename));
case "CGFont":
return(CGFont.CreateWithFontName("Courier New"));
case "CGPattern":
return(new CGPattern(
new RectangleF(0, 0, 16, 16),
CGAffineTransform.MakeIdentity(),
16, 16,
CGPatternTiling.NoDistortion,
true,
(cgc) => {}));
case "CMBufferQueue":
return(CMBufferQueue.CreateUnsorted(2));
case "CTFont":
CTFontDescriptorAttributes fda = new CTFontDescriptorAttributes()
{
FamilyName = "Courier",
StyleName = "Bold",
Size = 16.0f
};
using (var fd = new CTFontDescriptor(fda))
return(new CTFont(fd, 10));
case "CTFontCollection":
return(new CTFontCollection(new CTFontCollectionOptions()));
case "CTFontDescriptor":
fda = new CTFontDescriptorAttributes();
return(new CTFontDescriptor(fda));
case "CTTextTab":
return(new CTTextTab(CTTextAlignment.Left, 2));
case "CTTypesetter":
return(new CTTypesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CTFrame":
var framesetter = new CTFramesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
}));
var bPath = UIBezierPath.FromRect(new RectangleF(0, 0, 3, 3));
return(framesetter.GetFrame(new NSRange(0, 0), bPath.CGPath, null));
case "CTFramesetter":
return(new CTFramesetter(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CTGlyphInfo":
return(new CTGlyphInfo("copyright", new CTFont("ArialMY", 24), "Foo"));
case "CTLine":
return(new CTLine(new NSAttributedString("Hello, world",
new CTStringAttributes()
{
ForegroundColorFromContext = true,
Font = new CTFont("ArialMT", 24)
})));
case "CGImageDestination":
var storage = new NSMutableData();
return(CGImageDestination.Create(new CGDataConsumer(storage), "public.png", 1));
case "CGImageMetadataTag":
using (NSString name = new NSString("tagName"))
using (var value = new NSString("value"))
return(new CGImageMetadataTag(CGImageMetadataTagNamespaces.Exif, CGImageMetadataTagPrefixes.Exif, name, CGImageMetadataType.Default, value));
case "CGImageSource":
filename = "xamarin1.png";
return(CGImageSource.FromUrl(NSUrl.FromFilename(filename)));
case "SecPolicy":
return(SecPolicy.CreateSslPolicy(false, null));
case "SecIdentity":
using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) {
NSDictionary[] array;
var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array);
if (result != SecStatusCode.Success)
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result));
}
return(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle)));
}
case "SecTrust":
X509Certificate x = new X509Certificate(mail_google_com);
using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com"))
return(new SecTrust(x, policy));
case "SslContext":
return(new SslContext(SslProtocolSide.Client, SslConnectionType.Stream));
case "UIFontFeature":
return(new UIFontFeature(CTFontFeatureNumberSpacing.Selector.ProportionalNumbers));
case "NetworkReachability":
return(new NetworkReachability(IPAddress.Loopback, null));
case "VTCompressionSession":
case "VTSession":
return(VTCompressionSession.Create(1024, 768, CMVideoCodecType.H264, (sourceFrame, status, flags, buffer) => { }, null, (CVPixelBufferAttributes)null));
case "VTFrameSilo":
return(VTFrameSilo.Create());
case "VTMultiPassStorage":
return(VTMultiPassStorage.Create());
case "CFString":
return(new CFString("test"));
case "DispatchBlock":
return(new DispatchBlock(() => { }));
case "DispatchQueue":
return(new DispatchQueue("com.example.subsystem.taskXYZ"));
case "DispatchGroup":
return(DispatchGroup.Create());
case "CGColorSpace":
return(CGColorSpace.CreateDeviceCmyk());
case "CGGradient":
CGColor[] cArray = { UIColor.Black.CGColor, UIColor.Clear.CGColor, UIColor.Blue.CGColor };
return(new CGGradient(null, cArray));
case "CGImage":
filename = "xamarin1.png";
using (var dp = new CGDataProvider(filename))
return(CGImage.FromPNG(dp, null, false, CGColorRenderingIntent.Default));
case "CGColor":
return(UIColor.Black.CGColor);
case "CMClock":
return(CMClock.HostTimeClock);
case "CMTimebase":
return(new CMTimebase(CMClock.HostTimeClock));
case "CVPixelBufferPool":
return(new CVPixelBufferPool(
new CVPixelBufferPoolSettings(),
new CVPixelBufferAttributes(CVPixelFormatType.CV24RGB, 100, 50)
));
case "SecCertificate":
using (var cdata = NSData.FromArray(mail_google_com))
return(new SecCertificate(cdata));
case "SecCertificate2":
using (var cdata = NSData.FromArray(mail_google_com))
return(new SecCertificate2(new SecCertificate(cdata)));
case "SecTrust2":
X509Certificate x2 = new X509Certificate(mail_google_com);
using (var policy = SecPolicy.CreateSslPolicy(true, "mail.google.com"))
return(new SecTrust2(new SecTrust(x2, policy)));
case "SecIdentity2":
using (var options = NSDictionary.FromObjectAndKey(new NSString("farscape"), SecImportExport.Passphrase)) {
NSDictionary[] array;
var result = SecImportExport.ImportPkcs12(farscape_pfx, options, out array);
if (result != SecStatusCode.Success)
{
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0} due to {1}.", t.Name, result));
}
return(new SecIdentity2(new SecIdentity(array [0].LowlevelObjectForKey(SecImportExport.Identity.Handle))));
}
case "SecKey":
SecKey private_key;
SecKey public_key;
using (var record = new SecRecord(SecKind.Key)) {
record.KeyType = SecKeyType.RSA;
record.KeySizeInBits = 512; // it's not a performance test :)
SecKey.GenerateKeyPair(record.ToDictionary(), out public_key, out private_key);
return(private_key);
}
case "SecAccessControl":
return(new SecAccessControl(SecAccessible.WhenPasscodeSetThisDeviceOnly));
default:
throw new InvalidOperationException(string.Format("Could not create the new instance for type {0}.", t.Name));
}
}
// Listing 2-7
static CTFont CreateFont (CTFontDescriptor fontDescriptor, float size)
{
return new CTFont (fontDescriptor, size);
}
static bool IsFontInstalled(CTFontDescriptor descriptor)
{
var matching = descriptor.GetMatchingFontDescriptors((NSSet)null);
return(matching != null && matching.Length > 0);
}
private void CreateNativeFontFamily(string name, FontCollection fontCollection, bool createDefaultIfNotExists)
{
if (fontCollection != null)
{
if (fontCollection.nativeFontDescriptors.ContainsKey (name))
nativeFontDescriptor = fontCollection.nativeFontDescriptors [name];
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor (SANS_SERIF, 0);
}
}
else
{
nativeFontDescriptor = new CTFontDescriptor (name, 0);
if (nativeFontDescriptor == null && createDefaultIfNotExists)
{
nativeFontDescriptor = new CTFontDescriptor (SANS_SERIF, 0);
}
}
if (nativeFontDescriptor == null)
throw new ArgumentException ("name specifies a font that is not installed on the computer running the application.");
else
{
var attrs = nativeFontDescriptor.GetAttributes ();
familyName = attrs.FamilyName;
// if the font description attributes do not contain a value for FamilyName then we
// need to try and create the font to get the family name from the actual font.
if (string.IsNullOrEmpty (familyName))
{
var font = new CTFont (nativeFontDescriptor, 0);
familyName = font.FamilyName;
}
}
}
