public void TestBlob()
{
using var fira = new Blob(File.ReadAllBytes(Utilities.GetResource(@"FiraSans-Regular.ttf")));
using var face = new Face(fira);
using var font = new Font(face);
font.Scale = (72 * 64, 72 * 64);
using var buffer = new Buffer();
buffer.AddUtf("Hello, HarfBuzz");
buffer.GuessSegmentProperties();
buffer.Shape(font);
var info = buffer.GlyphInfos.ToArray();
var pos = buffer.GlyphPositions.ToArray();
var cursorX = 0d;
var cursorY = 0d;
for (var i = 0; i < buffer.Length; i++)
{
var glyphId = info[i];
var xOffset = pos[i].XOffset / 64d;
var yOffset = pos[i].YOffset / 64d;
var xAdvance = pos[i].XAdvance / 64d;
var yAdvance = pos[i].YAdvance / 64d;
cursorX += xAdvance;
cursorY += yAdvance;
TestContext.WriteLine($"{glyphId.Codepoint:x4}: {xAdvance}");
}
Assert.That(cursorX, Is.GreaterThan(0d));
}
public void TestFreeType()
{
var faceHandleProperty = typeof(Face).GetProperty(@"Reference",
BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
using var freetype = new Library();
using var fira = new SharpFont.Face(freetype, Utilities.GetResource(@"FiraSans-Regular.ttf"));
fira.SetPixelSizes(72, 72);
using var font = fira.ToHarfBuzzFont();
using var buffer = new Buffer();
buffer.AddUtf("Helo, HarfBuzz");
buffer.GuessSegmentProperties();
buffer.Shape(font);
var info = buffer.GlyphInfos.ToArray();
var pos = buffer.GlyphPositions.ToArray();
var cursorX = 0d;
var cursorY = 0d;
for (var i = 0; i < buffer.Length; i++)
{
var glyphId = info[i];
var xOffset = pos[i].XOffset / 64d;
var yOffset = pos[i].YOffset / 64d;
var xAdvance = pos[i].XAdvance / 64d;
var yAdvance = pos[i].YAdvance / 64d;
cursorX += xAdvance;
cursorY += yAdvance;
TestContext.WriteLine($"{glyphId.Codepoint:x4}: {xAdvance}");
}
Assert.That(cursorX, Is.GreaterThan(0d));
}
