smooth.aspx

asp.net技术内幕的书配源码

<%@ ContentType="image/jpeg" Language="C#" %>
<%@ Import namespace="System.Drawing" %>
<%@ Import namespace="System.Drawing.Imaging" %>
<%@ Import namespace="System.Drawing.Drawing2D" %>
<%@ Import namespace="System.Drawing.Text" %>

<script language="C#" runat=server>

void Page_Load(Object sender , EventArgs e) 
{
	Bitmap objBitmap;
	Graphics objGraphics;
	Pen objPen;
	Brush objBrush;
	Font objFont;
	  
	// Create Bitmap
	objBitmap = new Bitmap( 400, 400 );

	// Initialize Graphics class
	objGraphics = Graphics.FromImage( objBitmap );

	// Create Pen, Brush and Font
	objPen = new Pen( Color.Yellow );
	objBrush = new SolidBrush( Color.Yellow );
	objFont = new Font( "Lucida Sans Unicode", 18 );

	// Default SmoothingMode
	objGraphics.SmoothingMode = SmoothingMode.Default;
	objGraphics.DrawString( "Default", objFont, objBrush, 50, 20 );
	objGraphics.DrawEllipse( objPen, 10, 10, 200, 50 )  ;

	// AntiAlias SmoothingMode
	objGraphics.SmoothingMode = SmoothingMode.AntiAlias;
	objGraphics.DrawString( "AntiAlias", objFont, objBrush, 50, 80 );
	objGraphics.DrawEllipse( objPen, 10, 70, 200, 50 )  ;

	// HighQuality SmoothingMode
	objGraphics.SmoothingMode = SmoothingMode.HighQuality;
	objGraphics.DrawString( "HighQuality", objFont, objBrush, 50, 140 );
	objGraphics.DrawEllipse( objPen, 10, 130, 200, 50 )  ;

	// HighSpeed SmoothingMode
	objGraphics.SmoothingMode = SmoothingMode.HighSpeed;
	objGraphics.DrawString( "HighSpeed", objFont, objBrush, 50, 200 );
	objGraphics.DrawEllipse( objPen, 10, 190, 200, 50 )  ;

	// None SmoothingMode
	objGraphics.SmoothingMode = SmoothingMode.None;
	objGraphics.DrawString( "None", objFont, objBrush, 50, 260 );
	objGraphics.DrawEllipse( objPen, 10, 250, 200, 50 )  ;

	// Display Bitmap
	objBitmap.Save( Response.OutputStream, ImageFormat.Jpeg );
}

</Script>