fonts – 从Font中提取几何

我希望能够在TrueType字体文件中提取每个字母的几何.每个字母都有一组坐标,假设每个字母都在自己的网格中.

如图所示,千言万语 – 我想获得与下图相似的字母顶点(由http://polymaps.org/提供)

更新

由于提示使用GDI,现在已经将其集成到.NET System.Drawing.Drawing2D中,我获得了以下代码来创建WKT多边形.没有bezier曲线可能.即使在翻转和旋转字母后,某些路径仍然无法正确连接.

// C# Visual Studio

        GraphicsPath gp = new GraphicsPath();

        Point origin = new Point(0,0);
        StringFormat format = new StringFormat();
        FontFamily ff = new FontFamily("Arial");
        //enter letter here
        gp.AddString("T",ff,12,origin,format); //ABCDEFGHIJKLMNOPQRSTUVWXYZ

        StringBuilder sb = new StringBuilder();
        sb.AppendLine("DECLARE @g geometry;");
        sb.Append("SET @g = geometry::STGeomFromText('POLYGON ((");


        Matrix flipmatrix = new Matrix(-1,1,0);
        gp.Transform(flipmatrix);
        Matrix rotationtransform = new Matrix();

        RectangleF r = gp.GetBounds();

        // Get center point
        PointF rotationPoint = new PointF(r.Left + (r.Width / 2),r.Top + (r.Height / 2));
        rotationtransform.RotateAt(180,rotationPoint);
        gp.Transform(rotationtransform);
        //gp.CloseAllFigures(); //make sure the polygon is closed - does not work

        foreach (PointF pt in gp.PathData.Points)
        {
            sb.AppendFormat("{0} {1},",pt.X,pt.Y);

        }
        PointF firstpoint = gp.PathData.Points[0];

        sb.AppendFormat("{0} {1}",firstpoint.X,firstpoint.Y); //make last point same as first
        sb.Append("))',0);");
        sb.AppendLine("");
        sb.AppendLine("SELECT @g");
        System.Diagnostics.Debug.WriteLine(sb.ToString());

解决方法

然后检查PathData或PathPoints.

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