Revision 1726 org.gvsig.raster.georeferencing/trunk/org.gvsig.raster.georeferencing/org.gvsig.raster.georeferencing.swing/org.gvsig.raster.georeferencing.swing.impl/src/main/java/org/gvsig/raster/georeferencing/swing/impl/view/CanvasZone.java

View differences:

CanvasZone.java
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 */
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package org.gvsig.raster.georeferencing.swing.impl.view;
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import java.awt.AlphaComposite;


  		




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import java.awt.Color;


  		




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import java.awt.Graphics;


  		




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import java.awt.Graphics2D;


  		




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import java.awt.event.MouseEvent;


  		




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import java.awt.event.MouseListener;


  		




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import java.awt.event.MouseMotionListener;


  		




  
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import java.awt.geom.AffineTransform;


  		




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import java.awt.geom.Point2D;


  		




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import java.awt.geom.Rectangle2D;


  		




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import java.awt.image.BufferedImage;


  		




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     */


  		




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    private ViewEvent              viewEvent            = null;


  		




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    private AffineTransform        panAT                = new AffineTransform();


  		




  
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    //private BufferedImage          draggedImage         = null;


  		




  
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    /**


  		




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	 * Asigna los par?metros de dibujado


  		




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	 * @param img Buffer con un ?rea de datos


  		




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		Rectangle2D ext = getCanvasExtent(w, h, scale);


  		




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		if(lastImage == null || !equal(lastExtent, ext)) { 


  		




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			lastImage = new BufferedImage((int)w, (int)h, BufferedImage.TYPE_INT_RGB);


  		




  
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			lastImage = new BufferedImage((int)w, (int)h, BufferedImage.TYPE_INT_ARGB);


  		




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			lastImageWithLayers = new BufferedImage((int)w, (int)h, BufferedImage.TYPE_INT_RGB);


  		




  
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		} else if(!panAT.isIdentity()) {


  		




  
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			//Cuando se hace un Pan se dibuja el fondo y un imagen superpuesta transparente


  		




  
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			g.drawImage(lastImageWithLayers, 0, 0, null);


  		




  
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			((Graphics2D)g).transform(panAT);


  		




  
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			AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_ATOP, 0.4f);


  		




  
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			((Graphics2D)g).setComposite(composite);


  		




  
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			g.drawImage(lastImage, 0, 0, null);


  		




  
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			return;


  		




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		}


  		




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		if(clear) {


  		




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			g.setColor(backgroundColor);


  		




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			g.fillRect(0, 0, w, h);


  		




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	public void setForceRequest(boolean forceRequest) {


  		




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		this.forceRequest = forceRequest;


  		




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	}


  		




  
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	/*public BufferedImage getLastBufferedImage() {


  		




  
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		return lastImage;


  		




  
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	}*/


  		




  
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	public AffineTransform getAffineTransform() {


  		




  
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		return panAT;


  		




  
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	}


  		




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}


  		












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