Mobile background image

Abstract: Mobile background image

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/ / A moving background images of animation
Import java.awt .*;
Import java.applet.Applet;
Public class Pan extends Applet implements Runnable (
Thread runner;
Image back and fore, workspace;
Graphics offscreen;
String text;
String fontName;
Int fontSize = 24;
Int x1 = 0;
Int x2;

Public void init () (
CreateImage workspace = (size (). Width, size (). Height);
Workspace.getGraphics offscreen = ();

String imageBack = getParameter ( "background");
If (imageBack! = Null)
Back = getImage (getDocumentBase (), imageBack);

String imageFore = getParameter ( "foreground");
If (imageFore! = Null)
Back = getImage (getDocumentBase (), imageFore);
X2 = size (). Width;
Text = getParameter ( "text");
FontName = getParameter ( "font");
If (fontName == null)
FontName = "Arial";
String param = getParameter ( "fontsize");
If (param! = Null)
FontSize = Integer.parseInt ( "0" + param);
)

Public void start () (
If (runner == null) (
Runner = new Thread (this);
Runner.start ();
)
)

Public void stop () (
If (runner! = Null) (
Runner = null;
)
)

Public void run () (
Thread thisThread = Thread.currentThread ();
While (runner == thisThread) (
Repaint ();
Try (Thread.sleep (200);)
Catch (InterruptedException e) ()
X1 = x1-5;
X2 = x2-5;
If (x1 <= (size (). Width * (-1)))
X1 = size (). Width;
If (x2 <= (size (). Width * (-1)))
X2 = size (). Width;
)
)

Public void paint (Graphics g) (
Offscreen.drawImage (back, x1, 0, null);
Offscreen.drawImage (back, x2, 0, null);
If (fore! = Null)
Offscreen.drawImage (fore, 0,0, null);
If (text! = Null) (
Offscreen.setColor (Color.black);
Font f = new Font (fontName, Font.BOLD, fontSize);
FontMetrics fm = g.getFontMetrics ();
Offscreen.setFont (f);
Int xStart size = () .width/2-fm.stringWidth (text) / 2-100;
Int yStart = size (). Height / 2 + fm.getHeight () / 2;
Offscreen.drawString (text, xStart, yStart);
Offscreen.setColor (Color.white);
Offscreen.drawString (text, xStart-2, yStart-2);
)
G.drawImage (workspace, 0, 0, this);
)

Public void update (Graphics g) (
Paint (g);
)
)

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