public CTFontCollection(CTFontDescriptor[] queryDescriptors, CTFontCollectionOptions options)
{
using (var descriptors = queryDescriptors == null
? null
: CFArray.FromNativeObjects (queryDescriptors))
handle = CTFontCollectionCreateWithFontDescriptors (
descriptors == null ? IntPtr.Zero : descriptors.Handle,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
if (handle == IntPtr.Zero)
throw ConstructorError.Unknown (this);
}
public static CTFontDescriptor[] GetFonts(NSUrl url)
{
if (url == null)
{
throw new ArgumentNullException("url");
}
var arrayPtr = CTFontManagerCreateFontDescriptorsFromURL(url.Handle);
if (arrayPtr == IntPtr.Zero)
{
return(new CTFontDescriptor [0]);
}
using (var unmanageFonts = new CFArray(arrayPtr, true)) {
var managedFonts = new CTFontDescriptor [unmanageFonts.Count];
for (int index = 0; index < unmanageFonts.Count; index++)
{
managedFonts [index] = new CTFontDescriptor(unmanageFonts.GetValue(index), false);
}
return(managedFonts);
}
}
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 bool MatchFontDescriptors(CTFontDescriptor[] descriptors, NSSet mandatoryAttributes, Func<CTFontDescriptorMatchingState, IntPtr, bool> progressHandler)
{
// FIXME: the P/Invoke used below is wrong, it expects a block, not a function pointer.
// throwing a NIE instead of crashing until this is implemented properly.
throw new NotImplementedException ();
// var ma = mandatoryAttributes == null ? IntPtr.Zero : mandatoryAttributes.Handle;
// // FIXME: SIGSEGV probably due to mandatoryAttributes mismatch
// using (var ar = CFArray.FromNativeObjects (descriptors)) {
// return CTFontDescriptorMatchFontDescriptorsWithProgressHandler (ar.Handle, ma, progressHandler);
// }
}
public CTFontCollection WithFontDescriptors(CTFontDescriptor[] queryDescriptors, CTFontCollectionOptions options)
{
IntPtr h;
using (var descriptors = queryDescriptors == null
? null
: CFArray.FromNativeObjects (queryDescriptors)) {
h = CTFontCollectionCreateCopyWithFontDescriptors (
handle,
descriptors == null ? IntPtr.Zero : descriptors.Handle,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
}
if (h == IntPtr.Zero)
return null;
return new CTFontCollection (h, true);
}
public static CTFontDescriptor[] GetFonts(NSUrl url)
{
if (url == null)
throw new ArgumentNullException ("url");
var arrayPtr = CTFontManagerCreateFontDescriptorsFromURL (url.Handle);
if (arrayPtr == IntPtr.Zero)
return new CTFontDescriptor [0];
using (var unmanageFonts = new CFArray (arrayPtr, true)) {
var managedFonts = new CTFontDescriptor [unmanageFonts.Count];
for (int index = 0; index < unmanageFonts.Count; index++) {
managedFonts [index] = new CTFontDescriptor (unmanageFonts.GetValue (index), false);
}
return managedFonts;
}
}
