ccm

    private static void ImportFont()
        {
            string ccmPath = $@"{ptde}\font\dbgfont14h.ccm";
            var ccm = CCM.Read(SFUtil.Backup(ccmPath));
            ccm.TexCount = 1;
            ccm.TexWidth = 1024;
            ccm.TexHeight = 1024;
            ccm.FullWidth = 32;
            ccm.Glyphs.Clear();

            var face = new Typeface(new FontFamily("Comic Sans MS"), FontStyles.Normal, FontWeights.ExtraBlack, FontStretches.Normal);
            GlyphTypeface font;

            if (!face.TryGetGlyphTypeface(out font))
                return;

            int ColumnCount = 32;
            double fontSize = ccm.FullWidth;
            // the height of each cell has to include over/underhanging glyphs
            Size cellSize = new Size(fontSize, fontSize * font.Height);

            // now create the visual we'll draw them to
            var viz = new DrawingVisual();
            int drawCount = -1;
            using (DrawingContext dc = viz.RenderOpen())
            {
                foreach (int code in font.CharacterToGlyphMap.Keys)
                {
                    Geometry g = font.GetGlyphOutline(font.CharacterToGlyphMap[code], fontSize, 1);
                    if (g.IsEmpty())
                        continue; // don't draw the blank ones
                    drawCount++;

                    var uv1 = new Vector2(((drawCount % ColumnCount) * (float)cellSize.Width) / ccm.TexWidth,
                        ((drawCount / ColumnCount) * (float)cellSize.Height) / ccm.TexHeight);
                    var uv2 = new Vector2(uv1.X + (float)cellSize.Width / ccm.TexWidth, uv1.Y + (float)cellSize.Height / ccm.TexHeight);
                    var cg = new CCM.Glyph(uv1, uv2, 0, ccm.FullWidth, ccm.FullWidth, 0);
                    ccm.Glyphs[code] = cg;

                    // center horizontally in the cell
                    double xOffset = (drawCount % ColumnCount) * cellSize.Width + cellSize.Width / 2d - g.Bounds.Width / 2d;
                    // place the character on the baseline of the cell
                    double yOffset = (drawCount / ColumnCount) * cellSize.Height + fontSize * font.Baseline;
                    dc.PushTransform(new TranslateTransform(xOffset, yOffset));
                    dc.DrawGeometry(Brushes.White, new Pen(Brushes.Black, 2), g);
                    dc.Pop(); // get rid of the transform
                }
            }

            int RowCount = drawCount / ColumnCount;
            if (drawCount % ColumnCount != 0)
                RowCount++; // to include partial rows
            int bitWidth = (int)Math.Ceiling(cellSize.Width * ColumnCount);
            int bitHeight = (int)Math.Ceiling(cellSize.Height * RowCount);
            var bmp = new RenderTargetBitmap(bitWidth, bitHeight, 96, 96, PixelFormats.Pbgra32);
            bmp.Render(viz);

            var encoder = new PngBitmapEncoder();
            encoder.Frames.Add(BitmapFrame.Create(bmp));
            using (FileStream fs = File.Create("FontTable.png"))
                encoder.Save(fs);

            ccm.Write(ccmPath);
        }