comparison src/samer/tools/ImageTrace.java @ 0:bf79fb79ee13

Initial Mercurial check in.

+/*
+ *	Copyright (c) 2000, Samer Abdallah, King's College London.
+ *	All rights reserved.
+ *
+ *	This software is provided AS iS and WITHOUT ANY WARRANTY; 
+ *	without even the implied warranty of MERCHANTABILITY or 
+ *	FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+package samer.tools;
+import java.awt.*;
+import java.util.*;
+
+public class ImageTrace extends ImageTraceBase
+{
+	private	int		x=0;
+
+	public ImageTrace( ImageSourceBase i, Observable o) { super(i,o); }
+
+	public void next()
+	{ 
+		ip.sendPixels(); 
+
+		// make room for next image
+		if (scroll) while (x+sx>width) { 
+			graphics.copyArea(scrollStep,0,width-scrollStep,height,-scrollStep,0);
+			x-=scrollStep;
+		}
+		else if (x>=width) x=0; 
+
+		if (!sc) {
+			graphics.drawImage( img, x, 0, null);  
+		} else {
+			if (stretch) {
+				graphics.drawImage( img, x, 0, sx, height, null); 
+			} else {
+				graphics.drawImage( img, x, 0, sx, sy, null); 
+			}
+		}
+		getToolkit().sync();
+		
+		x+=sx;
+	}
+
+	public Dimension getPreferredSize() {
+		return new Dimension(cx*256,cy*ip.getHeight());
+	}
+}