Tall in the Center : Text « 2D Graphics « C# / C Sharp
Tall in the Center
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
class FontMenuForm: Form
{
protected string strText = "Tall in the Center";
protected Font font = new Font("Times New Roman", 24);
public static void Main()
{
Application.Run(new FontMenuForm());
}
public FontMenuForm()
{
ResizeRedraw = true;
}
protected void DoPage(Graphics grfx, Color clr, int cx, int cy)
{
GraphicsPath path = new GraphicsPath();
float fFontSize = PointsToPageUnits(grfx, font);
path.AddString(strText, font.FontFamily, (int) font.Style,
fFontSize, new PointF(0, 0), new StringFormat());
RectangleF rectf = path.GetBounds();
path.Transform(new Matrix(1, 0, 0, 1,
-(rectf.Left + rectf.Right) / 2,
-(rectf.Top + rectf.Bottom) / 2));
rectf = path.GetBounds();
PointF[] aptf = path.PathPoints;
for (int i = 0; i < aptf.Length; i++)
aptf[i].Y *= 2 * (rectf.Width - Math.Abs(aptf[i].X)) /
rectf.Width;
path = new GraphicsPath(aptf, path.PathTypes);
grfx.TranslateTransform(cx / 2, cy / 2);
grfx.FillPath(new SolidBrush(clr), path);
}
public float GetAscent(Graphics grfx, Font font)
{
return font.GetHeight(grfx) *
font.FontFamily.GetCellAscent(font.Style) /
font.FontFamily.GetLineSpacing(font.Style);
}
public float GetDescent(Graphics grfx, Font font)
{
return font.GetHeight(grfx) *
font.FontFamily.GetCellDescent(font.Style) /
font.FontFamily.GetLineSpacing(font.Style);
}
public float PointsToPageUnits(Graphics grfx, Font font)
{
float fFontSize;
if (grfx.PageUnit == GraphicsUnit.Display)
fFontSize = 100 * font.SizeInPoints / 72;
else
fFontSize = grfx.DpiX * font.SizeInPoints / 72;
return fFontSize;
}
}
