/// <summary>
/// Initializes a new instance of the <see cref="Face"/> class.
/// </summary>
/// <param name="library">The parent library.</param>
/// <param name="path">The path of the font file.</param>
/// <param name="faceIndex">The index of the face to take from the file.</param>
public Face(Library library, string path, int faceIndex)
: this()
{
IntPtr reference;
Error err = FT.FT_New_Face(library.Reference, path, faceIndex, out reference);
if (err != Error.Ok)
throw new FreeTypeException(err);
Reference = reference;
parentLibrary = library;
parentLibrary.AddChildFace(this);
}
//TODO make an overload with a FileStream instead of a byte[]
/// <summary>
/// Initializes a new instance of the <see cref="Face"/> class from a file that's already loaded into memory.
/// </summary>
/// <param name="library">The parent library.</param>
/// <param name="file">The loaded file.</param>
/// <param name="faceIndex">The index of the face to take from the file.</param>
public unsafe Face(Library library, byte[] file, int faceIndex)
: this()
{
memoryFaceHandle = GCHandle.Alloc(file, GCHandleType.Pinned);
IntPtr reference;
Error err = FT.FT_New_Memory_Face(library.Reference, memoryFaceHandle.AddrOfPinnedObject(), file.Length, faceIndex, out reference);
if (err != Error.Ok)
throw new FreeTypeException(err);
Reference = reference;
parentLibrary = library;
parentLibrary.AddChildFace(this);
}
/// <summary>
/// Initializes a new instance of the Face class.
/// </summary>
/// <param name="reference">A pointer to the unmanaged memory containing the Face.</param>
/// <param name="parent">The parent <see cref="Library"/>.</param>
internal Face(IntPtr reference, Library parent)
: this()
{
Reference = reference;
if (parent != null)
{
parentLibrary = parent;
parentLibrary.AddChildFace(this);
}
else
{
//if there's no parent, this is a marshalled duplicate.
FT.FT_Reference_Face(Reference);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="Face"/> class from a file that's already loaded into memory.
/// </summary>
/// <param name="library">The parent library.</param>
/// <param name="bufferPtr"></param>
/// <param name="length"></param>
/// <param name="faceIndex">The index of the face to take from the file.</param>
public Face(Library library, IntPtr bufferPtr, int length, int faceIndex)
: this()
{
Error err = FT.FT_New_Memory_Face(library.Reference, bufferPtr, length, faceIndex, out reference);
if (err != Error.Ok)
throw new FreeTypeException(err);
Reference = reference;
parentLibrary = library;
parentLibrary.AddChildFace(this);
}
private Face(Library parent)
: base(IntPtr.Zero)
{
childSizes = new List<FTSize>();
if (parent != null)
{
parentLibrary = parent;
parentLibrary.AddChildFace(this);
}
else
{
//if there's no parent, this is a marshalled duplicate.
FT.FT_Reference_Face(Reference);
}
}
//TODO make an overload with a FileStream instead of a byte[]
/// <summary>
/// Initializes a new instance of the <see cref="Face"/> class from a file that's already loaded into memory.
/// </summary>
/// <param name="library">The parent library.</param>
/// <param name="file">The loaded file.</param>
/// <param name="faceIndex">The index of the face to take from the file.</param>
public unsafe Face(Library library, byte[] file, int faceIndex)
: this()
{
fixed (byte* ptr = file)
{
IntPtr reference;
Error err = FT.FT_New_Memory_Face(library.Reference, (IntPtr)ptr, file.Length, faceIndex, out reference);
if (err != Error.Ok)
throw new FreeTypeException(err);
Reference = reference;
}
parentLibrary = library;
parentLibrary.AddChildFace(this);
}