C# Graphics.TextRenderingHint属性代码示例

private void ChangeTextRenderingHintAndTextContrast(PaintEventArgs e)
{

    // Retrieve the graphics object.
    Graphics formGraphics = e.Graphics;

    // Declare a new font.
    Font myFont = new Font(FontFamily.GenericSansSerif, 20, 
        FontStyle.Regular);

    // Set the TextRenderingHint property.
    formGraphics.TextRenderingHint = 
        System.Drawing.Text.TextRenderingHint.SingleBitPerPixel;

    // Draw the string.
    formGraphics.DrawString("Hello World", myFont, 
        Brushes.Firebrick, 20.0F, 20.0F);

    // Change the TextRenderingHint property.
    formGraphics.TextRenderingHint = 
        System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;

    // Draw the string again.
    formGraphics.DrawString("Hello World", myFont, 
        Brushes.Firebrick, 20.0F, 60.0F);

    // Set the text contrast to a high-contrast setting.
    formGraphics.TextContrast = 0;

    // Draw the string.
    formGraphics.DrawString("Hello World", myFont, 
        Brushes.DodgerBlue, 20.0F, 100.0F);

    // Set the text contrast to a low-contrast setting.
    formGraphics.TextContrast = 12;

    // Draw the string again.
    formGraphics.DrawString("Hello World", myFont, 
        Brushes.DodgerBlue, 20.0F, 140.0F);

    // Dispose of the font object.
    myFont.Dispose();
}

/*
User Interfaces in C#: Windows Forms and Custom Controls
by Matthew MacDonald

Publisher: Apress
ISBN: 1590590457
*/
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Drawing.Text;

namespace GDI_Basics
{
    /// <summary>
    /// Summary description for SmoothingFonts.
    /// </summary>
    public class SmoothingFonts : System.Windows.Forms.Form
    {
        internal System.Windows.Forms.Label Label3;
        internal System.Windows.Forms.Label Label2;
        internal System.Windows.Forms.Label Label1;
        /// <summary>
        /// Required designer variable.
        /// </summary>
        private System.ComponentModel.Container components = null;

        public SmoothingFonts()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            //
            // TODO: Add any constructor code after InitializeComponent call
            //
        }

        /// <summary>
        /// Clean up any resources being used.
        /// </summary>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if(components != null)
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.Label3 = new System.Windows.Forms.Label();
            this.Label2 = new System.Windows.Forms.Label();
            this.Label1 = new System.Windows.Forms.Label();
            this.SuspendLayout();
            // 
            // Label3
            // 
            this.Label3.BackColor = System.Drawing.Color.White;
            this.Label3.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label3.Location = new System.Drawing.Point(272, 168);
            this.Label3.Name = "Label3";
            this.Label3.Size = new System.Drawing.Size(128, 16);
            this.Label3.TabIndex = 5;
            this.Label3.Text = " ClearTypeGridFit";
            // 
            // Label2
            // 
            this.Label2.BackColor = System.Drawing.Color.White;
            this.Label2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label2.Location = new System.Drawing.Point(272, 100);
            this.Label2.Name = "Label2";
            this.Label2.Size = new System.Drawing.Size(128, 16);
            this.Label2.TabIndex = 4;
            this.Label2.Text = " AntiAliasGridFit";
            // 
            // Label1
            // 
            this.Label1.BackColor = System.Drawing.Color.White;
            this.Label1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
            this.Label1.Location = new System.Drawing.Point(272, 36);
            this.Label1.Name = "Label1";
            this.Label1.Size = new System.Drawing.Size(128, 16);
            this.Label1.TabIndex = 3;
            this.Label1.Text = " SingleBitPerPixelGridFit";
            // 
            // SmoothingFonts
            // 
            this.AutoScaleBaseSize = new System.Drawing.Size(5, 14);
            this.ClientSize = new System.Drawing.Size(440, 314);
            this.Controls.AddRange(new System.Windows.Forms.Control[] {
                                                                          this.Label3,
                                                                          this.Label2,
                                                                          this.Label1});
            this.Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
            this.Name = "SmoothingFonts";
            this.Text = "SmoothingFonts";
            this.Paint += new System.Windows.Forms.PaintEventHandler(this.SmoothingFonts_Paint);
            this.ResumeLayout(false);

        }
        #endregion


        [STAThread]
        static void Main() 
        {
            Application.Run(new SmoothingFonts());
        }

        private void SmoothingFonts_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
        {
            Font TextFont = new Font("Times New Roman", 25, FontStyle.Italic);
            e.Graphics.TextRenderingHint = TextRenderingHint.SingleBitPerPixelGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 20);
            e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 85);
            e.Graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
            e.Graphics.DrawString("Sample Text", TextFont, Brushes.Black, 20, 150);
        }
    }
}