Application: gvSIG desktop

import org.cresques.io.GeoRasterFile;

import org.cresques.io.raster.RasterFilterStackManager;

import org.cresques.ui.raster.BandSetupPanel;

import org.cresques.ui.raster.FilterRasterDialogPanel;

import com.iver.cit.gvsig.fmap.MapControl;

import com.iver.cit.gvsig.fmap.ViewPort;

import com.iver.cit.gvsig.fmap.layers.RasterAdapter;

import com.iver.cit.gvsig.gui.View;

import com.iver.cit.gvsig.gui.Panels.PropertiesRasterDialog;

 * 

 * @author Nacho Brodin <brodin_ign@gva.es>

 *

 * Entrada de men? para la activaci?n de la funcionalidad de zoom a un

 * pixel.

 */

class ZoomPixelTocMenuEntry extends TocMenuEntry{

	private JMenuItem properties;

	FLayer lyr = null;

	public void initialize(FPopupMenu m) {

		super.initialize(m);

		if (isTocItemBranch()) {

			lyr = getNodeLayer();

    		// Opcciones para capas raster

    		if ((lyr instanceof FLyrRaster)) {

    			properties = new JMenuItem(PluginServices.getText(this, "Zoom_pixel"));

    			getMenu().add( properties );

    			properties.setFont(FPopupMenu.theFont);

    			getMenu().setEnabled(true);

    			getMenu().addSeparator();

    			properties.addActionListener(this);

     		}

		}

	}

	public void actionPerformed(ActionEvent e) {

		System.out.println("Zoom a un pixel");

		FLayer[] actives = getMapContext().getLayers().getActives();

		if (actives.length==1) {

	        try {

	        	Rectangle2D r = actives[0].getFullExtent();

	        	ArrayList attr = ((FLyrRaster)actives[0]).getSource().getAttributes();

	        	int width = 0, height = 0;

	       		for (int i=0; i<attr.size(); i++) {

	    			Object[] a = (Object []) attr.get(i);

	    			if(a[0].toString().equals("Width"))

	    				width = ((Integer)a[1]).intValue();

	    			if(a[0].toString().equals("Height"))

	    				height = ((Integer)a[1]).intValue();	    			    			

	    		}

	        	ViewPort v = getMapContext().getViewPort();

	        	//A centro de imagen

	        	/*double centroX = width/2;

				double centroY = height/2;

				int minX = (int)Math.round(centroX - (v.getImageWidth()/2));

				int minY = (int)Math.round(centroY - (v.getImageHeight()/2));

				int maxX = (int)Math.round(minX + v.getImageWidth());

				int maxY = (int)Math.round(minY + v.getImageHeight());

				double wcOriginWidth = r.getMaxX() - r.getMinX();

				double wcOriginHeight = r.getMaxY() - r.getMinY();

				double wcDstMinX = r.getMinX()+((minX*wcOriginWidth)/width);

				double wcDstMinY = r.getMinY()+((minY*wcOriginHeight)/height);

				double wcDstMaxX = r.getMinX()+((maxX*wcOriginWidth)/width);

				double wcDstMaxY = r.getMinY()+((maxY*wcOriginHeight)/height);

				double wcDstWidth = wcDstMaxX - wcDstMinX;

				double wcDstHeight = wcDstMaxY - wcDstMinY;*/

	        	//A centro de vista

	        	double wcOriginCenterX = v.getExtent().getMinX()+((v.getExtent().getMaxX()-v.getExtent().getMinX())/2);

	        	double wcOriginCenterY = v.getExtent().getMinY()+((v.getExtent().getMaxY()-v.getExtent().getMinY())/2);

	        	//Hallamos la relaci?n entre el pixel y las WC a partir de la imagen de la capa

				double relacionPixelWcWidth =  (r.getMaxX() - r.getMinX())/width;

				double relacionPixelWcHeight = (r.getMaxY() - r.getMinY())/height;

				double desplazamientoX = r.getMinX(); 

				double desplazamientoY = r.getMinY();

				double wcOriginX = wcOriginCenterX - ((v.getImageWidth()*relacionPixelWcWidth)/2);

				double wcOriginY = wcOriginCenterY - ((v.getImageHeight()*relacionPixelWcHeight)/2);

				double wcDstMinX = wcOriginX; 

				double wcDstMinY = wcOriginY; 

				double wcDstMaxX = wcDstMinX + (v.getImageWidth()*relacionPixelWcWidth);

				double wcDstMaxY = wcDstMinY + (v.getImageHeight()*relacionPixelWcHeight);

				double wcDstWidth = wcDstMaxX - wcDstMinX;

				double wcDstHeight = wcDstMaxY - wcDstMinY;

	        	r = new Rectangle2D.Double(wcDstMinX, wcDstMinY, wcDstWidth, wcDstHeight);

	        	getMapContext().getViewPort().setExtent(r);

			} catch (com.iver.cit.gvsig.fmap.DriverException e1) {

				e1.printStackTrace();

			}

		} 

		//View vista = (View) PluginServices.getMDIManager().getActiveView();

		//MapControl mapCtrl = vista.getMapControl();

	}

}

/**

 * 

 * @author Nacho Brodin <brodin_ign@gva.es>

 *

 * Entrada de men? para la activaci?n de la funcionalidad de salvar

 * a raster una parte de la vista.

 */

class SaveRasterTocMenuEntry extends TocMenuEntry{

	private JMenuItem properties;

	FLayer lyr = null;

	public void initialize(FPopupMenu m) {

		super.initialize(m);

		if (isTocItemBranch()) {

			lyr = getNodeLayer();

    		// Opcciones para capas raster

    		if ((lyr instanceof FLyrRaster)) {

    			properties = new JMenuItem(PluginServices.getText(this, "salvar_raster"));

    			getMenu().add( properties );

    			properties.setFont(FPopupMenu.theFont);

    			getMenu().setEnabled(true);

    			getMenu().addSeparator();

    	        //Cambio color

    			properties.addActionListener(this);

     		}

		}

	}

	public void actionPerformed(ActionEvent e) {

		lyr = getNodeLayer();

		View vista = (View) PluginServices.getMDIManager().getActiveView();

		MapControl mapCtrl = vista.getMapControl();

		mapCtrl.setTool("saveRaster");

	}

}

/**

/**

 * 

 * @author Nacho Brodin <brodin_ign@gva.es>

 *

 * Entrada de men? para el dialogo de propiedades del raster

 */

class FLyrRasterAdjustPropertiesTocMenuEntry extends TocMenuEntry {

	private JMenuItem 				properties;

	FLayer 							lyr = null;

	private PropertiesRasterDialog	propsDialog = null;

	private BandSetupPanel 			bandSetup = null;

    			properties = new JMenuItem(PluginServices.getText(this, "propiedades_raster"));

    			getMenu().add( properties );

    			properties.setFont(FPopupMenu.theFont);

    			properties.addActionListener(this);

	/**

	 * Gestiona la apertura del dialogo de propiedades de raster cuando se pulsa

	 * la opci?n asignando a este las propiedades iniciales. 

       	if(lyr instanceof FLyrRaster){

       		RasterFilterStackManager 	stackManager = null;

       		stackManager = new RasterFilterStackManager(((FLyrRaster)lyr).getSource().getFilterStack());

       		int[][] rangeR = stackManager.getTransparecyR();

       		int[][] rangeG = stackManager.getTransparecyG();

       		int[][] rangeB = stackManager.getTransparecyB();

       		propsDialog = new PropertiesRasterDialog(((FLyrRaster)lyr), rangeR, rangeG, rangeB);

			int alpha = 255-((FLyrRaster)lyr).getSource().getTransparency();

			bandSetup = ((FilterRasterDialogPanel)propsDialog.getContentPane()).getBandSetup();

			GeoRasterFile[] files = ((FLyrRaster)lyr).getSource().getFiles();

			bandSetup.addFiles(files);

			RasterAdapter rad = ((FLyrRaster)lyr).getSource();

			int posR = 0, posG = 0, posB = 0;

			for(int i=0;i<rad.getPosFile(GeoRasterFile.RED_BAND);i++)

				posR += files[i].getBandCount();

			posR += rad.getBand(GeoRasterFile.RED_BAND);

			for(int i=0;i<rad.getPosFile(GeoRasterFile.GREEN_BAND);i++)

				posG += files[i].getBandCount();

			posG += rad.getBand(GeoRasterFile.GREEN_BAND);

			for(int i=0;i<rad.getPosFile(GeoRasterFile.BLUE_BAND);i++)

				posB += files[i].getBandCount();

			posB += rad.getBand(GeoRasterFile.BLUE_BAND);

			bandSetup.assignBand(posR, GeoRasterFile.RED_BAND);

			bandSetup.assignBand(posG, GeoRasterFile.GREEN_BAND);

			bandSetup.assignBand(posB, GeoRasterFile.BLUE_BAND);	

			//Asignaci?n del alpha actual de la imagen al dialogo

			RasterTransparencyPanel rasterTrans = ((FilterRasterDialogPanel)propsDialog.getContentPane()).getTransparencyPanel();

			rasterTrans.setOpacity(alpha);

			//Asignaci?n del porcentaje de recorte actual de la imagen al dialogo

			EnhancedPanel pEnhan =  ((FilterRasterDialogPanel)propsDialog.getContentPane()).getEnhancedPanel();

			propsDialog.setRasterFilterStackManager(stackManager);

			int tail = 0;

			if(	pEnhan != null &&

				stackManager.getStackStats() != null){

				tail = (int)(stackManager.getStackStats().tailPercent*200);

				pEnhan.setPercentTail(tail);

			}

			if(stackManager.isActive(stackManager.getTypeFilter("enhanced")))

				pEnhan.setSelectedFilter(1);

			else

				pEnhan.setSelectedFilter(0);

			propsDialog.readStat();

       		PluginServices.getMDIManager().addView(propsDialog);

        }

    	menuEntrys.add(new FLyrRasterAdjustPropertiesTocMenuEntry());

    	menuEntrys.add(new ZoomPixelTocMenuEntry());