public CTFontDescriptor(CTFontDescriptorAttributes attributes)
{
if (attributes == null)
{
throw ConstructorError.ArgumentNull(this, "attributes");
}
handle = CTFontDescriptorCreateWithAttributes(attributes.Dictionary.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
internal CTFontDescriptor(IntPtr handle, bool owns)
{
if (handle == IntPtr.Zero)
{
throw ConstructorError.ArgumentNull(this, "handle");
}
this.handle = handle;
if (!owns)
{
CFObject.CFRetain(handle);
}
}
public CTRunDelegate(CTRunDelegateOperations operations)
{
if (operations == null)
{
throw ConstructorError.ArgumentNull(this, "operations");
}
handle = CTRunDelegateCreate(operations.GetCallbacks(), GCHandle.ToIntPtr(operations.handle));
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
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 CTFontDescriptor(string name, nfloat size)
{
if (name == null)
{
throw ConstructorError.ArgumentNull(this, "name");
}
using (CFString n = name)
handle = CTFontDescriptorCreateWithNameAndSize(n.Handle, size);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
public CTLine(NSAttributedString value)
{
if (value == null)
{
throw ConstructorError.ArgumentNull(this, "value");
}
handle = CTLineCreateWithAttributedString(value.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
public CTTypesetter(NSAttributedString value, CTTypesetterOptions options)
{
if (value == null)
{
throw ConstructorError.ArgumentNull(this, "value");
}
handle = CTTypesetterCreateWithAttributedStringAndOptions(value.Handle,
options == null ? IntPtr.Zero : options.Dictionary.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
public CTGlyphInfo(CGFontIndex cid, CTCharacterCollection collection, string baseString)
{
if (baseString == null)
{
throw ConstructorError.ArgumentNull(this, "baseString");
}
using (var bs = new NSString(baseString))
handle = CTGlyphInfoCreateWithCharacterIdentifier(cid, collection, bs.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
public CTGlyphInfo(CGGlyph glyph, CTFont font, string baseString)
{
if (font == null)
{
throw ConstructorError.ArgumentNull(this, "font");
}
if (baseString == null)
{
throw ConstructorError.ArgumentNull(this, "baseString");
}
using (var bs = new NSString(baseString))
handle = CTGlyphInfoCreateWithGlyph(glyph, font.Handle, bs.Handle);
if (handle == IntPtr.Zero)
{
throw ConstructorError.Unknown(this);
}
}
