Revision 1711 org.gvsig.raster.georeferencing/trunk/org.gvsig.raster.georeferencing/org.gvsig.raster.georeferencing.app/org.gvsig.raster.georeferencing.app.georeferencingclient/src/main/java/org/gvsig/raster/georeferencing/app/georeferencingclient/listener/ViewRasterRequestManager.java
| ViewRasterRequestManager.java | ||
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics2D; |
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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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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.util.RasterUtils; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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import org.gvsig.raster.fmap.layers.DefaultFLyrRaster; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.georeferencing.swing.exception.InvalidRequestException; |
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import org.gvsig.raster.georeferencing.swing.impl.GeoreferencingSwingImplLibrary; |
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import org.gvsig.raster.georeferencing.swing.impl.layer.GCPsGraphicLayer; |
| ... | ... | |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public class ViewRasterRequestManager implements IExtensionRequest {
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private GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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private GeoreferencingView view = null; |
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private RasterDataStore store = null; |
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private IGraphicLayer graphicLayer = null; |
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private Color backGroundColor = null; |
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private FLyrRaster lyr = null; |
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/** |
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* Asigna la capa a georreferenciar de donde se obtienen los datos. |
| ... | ... | |
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public ViewRasterRequestManager(GeoreferencingView view, RasterDataStore store) {
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this.store = store; |
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this.view = view; |
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lyr = new DefaultFLyrRaster(); |
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try {
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((DefaultFLyrRaster)lyr).setDataStore(store); |
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} catch (LoadLayerException e) {
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GeoreferencingSwingImplLibrary.messageBoxError("error_setview_preview", null, e);
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} |
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} |
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/** |
| ... | ... | |
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if(extent.getWidth() < extent.getHeight()) {
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if(((double)view.getCanvasWidth() / (double)view.getCanvasHeight()) <= (extent.getWidth() / extent.getHeight())) {
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h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
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y = extent.getCenterY() - (h / 2);
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y = extent.getCenterY() + (h / 2);
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} else { //p1 < p2
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w = (view.getCanvasWidth() * h) / view.getCanvasHeight(); |
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x = extent.getCenterX() - (w / 2); |
| ... | ... | |
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x = extent.getCenterX() - (w / 2); |
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} else { //p1 < p2
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h = (view.getCanvasHeight() * w) / view.getCanvasWidth(); |
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y = extent.getCenterY() - (h / 2);
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y = extent.getCenterY() + (h / 2);
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} |
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} |
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Rectangle2D r = new Rectangle2D.Double(x, y, w, h); |
| ... | ... | |
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} |
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/** |
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* Ajusta la extensi?n del primer par?metro a los l?mites de la segunda |
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* @param extToAdj |
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* @param imgExt |
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* @return |
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*/ |
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private Extent calculateAdjustedView(Extent extToAdj, Extent imgExt) {
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double vx = extToAdj.minX(); |
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double vy = extToAdj.minY(); |
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double vx2 = extToAdj.maxX(); |
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double vy2 = extToAdj.maxY(); |
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if (extToAdj.minX() < imgExt.minX()) |
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vx = imgExt.minX(); |
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if (extToAdj.minY() < imgExt.minY()) |
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vy = imgExt.minY(); |
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if (extToAdj.maxX() > imgExt.maxX()) |
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vx2 = imgExt.maxX(); |
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if (extToAdj.maxY() > imgExt.maxY()) |
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vy2 = imgExt.maxY(); |
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return RasterLocator.getManager().getDataStructFactory().createExtent(vx, vy2, vx2, vy); |
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} |
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/** |
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* Obtiene el color de fondo |
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* @return |
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*/ |
| ... | ... | |
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} |
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//Ajustamos el extent al del raster |
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Extent ext = null; |
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Extent extSelection = null; |
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if(view.getCanvas().getMinxMaxyUL()) {
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Extent ext = RasterLocator.getManager().getDataStructFactory().createExtent(extent.getMinX(), extent.getMaxY(), extent.getMaxX(), extent.getMinY()); |
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/*if(view.getCanvas().getMinxMaxyUL()) {
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ext = RasterLocator.getManager().getDataStructFactory().createExtent(extent); |
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extSelection = calculateAdjustedView(ext, store.getExtent()); |
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} else {
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ext = RasterLocator.getManager().getDataStructFactory().createExtent(extent.getMinX(), extent.getMinY(), extent.getMaxX(), extent.getMaxY()); |
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RasterUtils rasterUtil = RasterLocator.getManager().getRasterUtils(); |
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extSelection = rasterUtil.calculateAdjustedView(ext, store.getExtent()); |
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} |
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}*/ |
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//Obtenemos el viewport y calculamos la matriz de transformaci?n |
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ViewPortData vp = RasterLocator.getManager().createViewPortData(); |
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vp.setExtent(ext); |
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vp.setSize(new Dimension(view.getCanvasWidth(), view.getCanvasHeight())); |
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vp.calculateAffineTransform(); |
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//Calculamos el punto del canvas de la vista donde se empieza a dibujar el buffer de la imagen |
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Point2D pt = new Point2D.Double(extSelection.getULX(), extSelection.getULY()); |
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AffineTransform at = vp.getMat(); |
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if(!view.getCanvas().getMinxMaxyUL()) {
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at = new AffineTransform(1, 0, 0, -1, 0, 0); |
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at.concatenate(vp.getMat()); |
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} |
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at.transform(pt, pt); |
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try {
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ViewPort vp = new ViewPort(); |
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vp.setImageSize(new Dimension(view.getCanvasWidth(), view.getCanvasHeight())); |
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Envelope env = geomManager.createEnvelope(ext.getMin().getX(), ext.getMin().getY(), ext.getMax().getX(), ext.getMax().getY(), SUBTYPES.GEOM2D); |
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vp.setEnvelope(env); |
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|
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//Dibujamos a trav?s del render de la capa en un graphics como el de la vista |
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BufferedImage initImg = new BufferedImage(view.getCanvasWidth(), view.getCanvasHeight(), BufferedImage.TYPE_INT_RGB); |
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BufferedImage initImg = new BufferedImage(view.getCanvasWidth(), view.getCanvasHeight(), BufferedImage.TYPE_INT_ARGB);
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Graphics2D g2d = ((Graphics2D)initImg.getGraphics()); |
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if(backGroundColor != null && backGroundColor != Color.BLACK) {
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g2d.setColor(backGroundColor); |
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g2d.fillRect(0, 0, view.getCanvasWidth(), view.getCanvasHeight()); |
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} |
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BufferedImage drawedImg = (BufferedImage)store.getRender().draw(g2d, vp, null); |
|
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g2d.drawImage(drawedImg, (int) Math.round(pt.getX()), (int) Math.round(pt.getY()), null); |
|
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lyr.draw(initImg, g2d, vp, null, 1); |
|
| 213 | 186 |
|
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setDrawParams(initImg, extent); |
| 215 | 188 |
|
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if(graphicLayer != null) |
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graphicLayer.recalcPixelDrawCoordinates(); |
| 218 | 191 |
|
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} catch (RasterDriverException e) {
|
|
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} catch (ReadException e) {
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throw new InvalidRequestException("Error en al acceso al fichero", e);
|
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} catch (InvalidSetViewException e) {
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} catch (CreateEnvelopeException e) {
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throw new InvalidRequestException("Error asignando el ?rea de la petici?n", e);
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} catch (ProcessInterruptedException e) {
|
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| 224 | 196 |
} |
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return extent; |
| 226 | 198 |
} |
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