Clip Text : Text « 2D Graphics « C# / C Sharp

1. C# / C Sharp
2. 2D Graphics
3. Text

Clip Text

 


using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Text;
using System.Windows.Forms;

class FontMenuForm : Form {
    protected string strText = "Clip Text";
    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());

        grfx.SetClip(path);

        RectangleF rectfBounds = path.GetBounds();
        grfx.TranslateClip(
                       (cx - rectfBounds.Width) / 2 - rectfBounds.Left,
                       (cy - rectfBounds.Height) / 2 - rectfBounds.Top);

        Random rand = new Random();

        for (int y = 0; y < cy; y++) {
            Pen pen = new Pen(Color.FromArgb(rand.Next(255),
                                             rand.Next(255),
                                             rand.Next(255)));

            grfx.DrawBezier(pen, new Point(0, y),
                                 new Point(cx / 3, y + cy / 3),
                                 new Point(2 * cx / 3, y - cy / 3),
                                 new Point(cx, y));
        }
    }
    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;
    }
}

 

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