public unsafe void ReleaseDataWasInvokedOnlyAfterTheTypefaceWasFinished()
{
if (IsMac)
{
throw new SkipException("macOS does not release the data when the typeface is disposed.");
}
var path = Path.Combine(PathToFonts, "Distortable.ttf");
var bytes = File.ReadAllBytes(path);
var released = false;
fixed(byte *b = bytes)
{
var data = SKData.Create((IntPtr)b, bytes.Length, (addr, ctx) => released = true);
var typeface = SKTypeface.FromData(data);
Assert.Equal("Distortable", typeface.FamilyName);
data.Dispose();
Assert.False(released, "The SKDataReleaseDelegate was called too soon.");
typeface.Dispose();
Assert.True(released, "The SKDataReleaseDelegate was not called at all.");
}
}
public unsafe bool Register(ResourceFile file, out string familyName)
{
if (file.IsNone)
{
throw new ArgumentException("file is none.", nameof(file));
}
using var stream = file.GetStream();
SKTypeface tf;
if (stream.CanSeek && stream.Length <= int.MaxValue)
{
var size = (int)stream.Length;
using var data = SKData.Create(size);
stream.Read(new Span <byte>((void *)data.Data, size));
tf = SKTypeface.FromData(data, 0);
}
else
{
using var data = SKData.Create(stream);
tf = SKTypeface.FromData(data, 0);
}
familyName = tf.FamilyName;
return(_dic.TryAdd(tf.FamilyName, tf));
}
public unsafe void FromDataReturnsDifferentObject()
{
using var data = SKData.Create(Path.Combine(PathToFonts, "Roboto2-Regular_NoEmbed.ttf"));
using var tf1 = SKTypeface.FromData(data);
using var tf2 = SKTypeface.FromData(data);
Assert.NotSame(tf1, tf2);
}
public void CanReadData()
{
var bytes = File.ReadAllBytes(Path.Combine(PathToFonts, "Distortable.ttf"));
using (var data = SKData.CreateCopy(bytes))
using (var typeface = SKTypeface.FromData(data))
{
Assert.NotNull(typeface);
}
}
private void initFonts()
{
fonts.forEach(s =>
{
var buf = App.LoadData($"fonts/{s}");
var data = SKData.CreateCopy(buf);
faces[s] = SKTypeface.FromData(data);
data.Dispose();
});
}
public CustomTypefaceProvider(SKData data, int index = 0)
{
Typeface = SKTypeface.FromData(data, index);
FamilyName = Typeface.FamilyName;
}
/// <summary>
/// Load a font from a file
/// </summary>
/// <param name="fileName">The path to the input file</param>
/// <returns>The loaded font</returns>
public static SKTypeface LoadFont(string fileName)
{
using (var stream = File.OpenRead(fileName))
using (var data = SKData.Create(stream))
return(SKTypeface.FromData(data));
}