Revision 210 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.api/src/main/java/org/gvsig/fmap/dal/coverage/grid/render/Render.java
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package org.gvsig.fmap.dal.coverage.grid.render; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.ViewPortData; |
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* Renders a Grid object |
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* @author Nacho Brodin (nachobrodin@gmail.com) |
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*/ |
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public interface Render {
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public interface Render extends Runnable {
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/** |
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* Obtiene las lista de filtros aplicados en la renderizaci?n |
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* @return RasterFilterList |
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* @throws InvalidSetViewException |
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* @throws ArrayIndexOutOfBoundsException |
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*/ |
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public Image draw(Graphics2D g, ViewPortData vp)
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public void draw(Graphics2D g, ViewPortData vp)
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throws RasterDriverException, InvalidSetViewException, ProcessInterruptedException; |
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/** |
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* <p> |
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* This method throws the draw call in a Thread. This is useful to draw tiles. |
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* </p> |
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* <p> |
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* Strategy: |
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* <ul> |
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* <li>If the image is out of the view the thread won't be thrown</li> |
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* <li>Throw the thread to draw</li> |
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* <li>The main thread waits until the secondary thread ends</li> |
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* <li>When the buffer of a new tile has been received then nextBuffer is called from the store</li> |
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* <li>When the last tile has been received then endReading is called from the store. This method unlocks the main |
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* thread and will finish the process</li> |
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* <li></li> |
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* </ul> |
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* </p> |
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* |
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* @see draw |
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*/ |
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public void drawThread(Graphics2D g, ViewPortData vp); |
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/** |
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* Sets the view structures to draw |
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* @param g |
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* @param vp |
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*/ |
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public void setGraphicInfo(Graphics2D g, ViewPortData vp); |
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public void setReading(boolean reading); |
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} |
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