Revision 2354 org.gvsig.raster.tools/trunk/templates/rasterTaskProjectTemplate/alg_with_preview_template/sources/app/ProjectTemplatePreview.java
| ProjectTemplatePreview.java | ||
|---|---|---|
| 3 | 3 |
import java.awt.Graphics2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.FilterTypeException; |
|
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.grid.RasterFilter; |
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import org.gvsig.fmap.dal.coverage.grid.RasterFilterList; |
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import org.gvsig.fmap.dal.coverage.grid.render.ImageDrawer; |
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import org.gvsig.fmap.dal.coverage.store.props.ColorInterpretation; |
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import org.gvsig.fmap.dal.coverage.store.props.Transparency; |
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import org.gvsig.gui.beans.imagenavigator.ImageUnavailableException; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import org.gvsig.raster.projecttemplate.algorithm.ProjectTemplateProcess; |
| ... | ... | |
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HashMap<String, Object> map = (HashMap<String, Object>)task.getResult(); |
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Buffer buf = (Buffer)map.get(ProjectTemplateProcess.BUFFER); |
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buf.setDataExtent(ext.toRectangle2D()); |
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if(buf.getBandCount() == 1) {
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buf.replicateBand(0, 1); |
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buf.replicateBand(0, 2); |
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} |
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|
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/*ColorInterpretation ci = inputLyr.getDataStore().getColorInterpretation(); |
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Transparency transparency = null; |
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if(ci.isRGB() || ci.isRGBA()) {
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Integer alphaBandNumber = (Integer)map.get(ProjectTemplateProcess.ALPHA_BAND); |
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transparency = RasterLocator.getManager().getDataStructFactory().createTransparency(buf.getBandCount()); |
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transparency.setTransparencyBand(alphaBandNumber); |
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transparency.activeTransparency(); |
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}*/ |
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|
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ImageDrawer drawer = RasterLocator.getManager().createImageDrawerService(); |
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drawer.setBuffer(buf); |
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try {
|
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//drawer.addEnhanced(inputLyr.getDataStore().getStatistics(), true, 0.2); |
|
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applyFiltersToPreview(drawer); |
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|
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return (BufferedImage)drawer.drawBufferOverImageObject(); |
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} catch (ProcessInterruptedException e) {
|
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return null; |
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} |
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} |
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|
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/** |
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* Adds filters to the preview. |
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* @param drawer |
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*/ |
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private void applyFiltersToPreview(ImageDrawer drawer) {
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RasterFilterList filterList = inputLyr.getRender().getFilterList(); |
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List<RasterFilter> list = new ArrayList<RasterFilter>(); |
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if(filterList.lenght() > 0) {
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for (int i = 0; i < filterList.lenght(); i++) {
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RasterFilter rf = filterList.get(i); |
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list.add(rf); |
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} |
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} |
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try {
|
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drawer.addFilters(inputLyr.getDataStore().getStatistics(), list); |
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} catch (FilterTypeException e) {
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logger.debug("The filters have not been applied", e);
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} |
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} |
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public Object getSource() {
|
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return null; |
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} |
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