public TrueTypeFont(string filename, int fontSize)
{
_fontFace = new SharpFont.Face(_library, filename);
fontSize = Math.Max(fontSize, 10);
fontSize = Math.Min(1024 / 16, fontSize);
_lineHeight = 0;
SetFontSize(fontSize);
}
static void Main(string[] args)
{
Console.WriteLine("Version string: " + HB.VersionString);
Version v = HB.Version;
Console.WriteLine("Version: " + v.Major + "." + v.Minor + "." + v.Build);
Console.WriteLine("VersionCheck: " + HB.VersionAtLeast(v));
var lib = new Library();
var face = new SharpFont.Face(lib, @"/usr/share/fonts/noto/NotoSans-Regular.ttf");
face.SetCharSize(0, 50, 72, 72);
var font = HarfBuzz.Font.FromFTFace(face);
var buf = new HarfBuzz.Buffer();
buf.Direction = Direction.RightToLeft;
buf.Script = Script.Arabic;
buf.AddText("متن");
font.Shape(buf);
var glyphInfos = buf.GlyphInfo();
var glyphPositions = buf.GlyphPositions();
int height = (face.MaxAdvanceHeight - face.Descender) >> 6;
int width = 0;
for (int i = 0; i < glyphInfos.Length; ++i)
{
width += glyphPositions[i].xAdvance >> 6;
}
Bitmap bmp = new Bitmap(width, height);
Graphics g = Graphics.FromImage(bmp);
g.Clear(Color.Gray);
int penX = 0, penY = face.MaxAdvanceHeight >> 6;
//draw the string
for (int i = 0; i < glyphInfos.Length; ++i)
{
face.LoadGlyph(glyphInfos[i].codepoint, LoadFlags.Default, LoadTarget.Normal);
face.Glyph.RenderGlyph(RenderMode.Normal);
Bitmap cBmp = face.Glyph.Bitmap.ToGdipBitmap(Color.Firebrick);
g.DrawImageUnscaled(cBmp,
penX + (glyphPositions[i].xOffset >> 6) + face.Glyph.BitmapLeft,
penY - (glyphPositions[i].yOffset >> 6) - face.Glyph.BitmapTop);
penX += glyphPositions[i].xAdvance >> 6;
penY -= glyphPositions[i].yAdvance >> 6;
}
g.Dispose();
bmp.Save("output.bmp");
}
private bool LoadFontFile(string path)
{
AppSettings.fontFamilies.Clear();
SharpFont.Face face = new SharpFont.Face(ftLib, path, -1);
//Console.WriteLine("Count {0}, Index {1}, Family {2}", face.FaceCount, face.FaceIndex, face.FamilyName);
var faceCount = face.FaceCount;
if (faceCount > 1)
{
for (var i = 0; i < faceCount; i++)
{
face = new SharpFont.Face(ftLib, path, i);
AppSettings.fontFamilies.Add(face.FamilyName);
Console.WriteLine("Index {0}, Family {1}", face.FaceIndex, face.FamilyName);
}
}
else
{
AppSettings.fontFamilies.Add(face.FamilyName);
Console.WriteLine("Index {0}, Family {1}", face.FaceIndex, face.FamilyName);
}
return(true);
}
public Font(SharpFont.Face fontFace, float size = 12f)
{
RenderMap = new FontFaceRenderMap(fontFace, size);
ShaderParameters = RenderMap.CreateShaderParameters();
Size = size;
}
private bool LoadFontFamily(int index)
{
ftFace = new SharpFont.Face(ftLib, appSettings.FontFile, index);
return(true);
}
static FontDef ToFontDef(string fileName, ZipFile archive, out string name)
{
JsonData json;
using (MemoryStream ms = new MemoryStream()) {
archive[fileName].Extract(ms);
json = JsonMapper.ToObject(Encoding.UTF8.GetString(ms.ToArray()));
}
string fontFile = (string)json["file"];
int size = (int)json["size"];
FontDef font;
// find font file
using (MemoryStream ms = new MemoryStream()) {
archive["fonts/" + fontFile].Extract(ms);
SharpFont.Face face = new SharpFont.Face(fontLibrary, ms.ToArray(), 0);
font = new FontDef(face, size);
}
name = fileName.Substring("fonts/".Length);
name = name.Substring(0, name.Length - 5);
name = name.Replace('/', '.');
return font;
}
