Revision 39059
| branches/v2_0_0_prep/libraries/libFMap_mapcontext/src/org/gvsig/fmap/mapcontext/layers/FLayerHidesArea.java | ||
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package org.gvsig.fmap.mapcontext.layers; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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public interface FLayerHidesArea {
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boolean hidesThisArea(Envelope area); |
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} |
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| branches/v2_0_0_prep/libraries/libFMap_mapcontext/src/org/gvsig/fmap/mapcontext/layers/FLyrDefault.java | ||
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.DataTypes; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.exceptions.LoadLayerException; |
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* @see FLayer |
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* @see FLayerStatus |
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*/ |
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public abstract class FLyrDefault extends AbstractDisposable implements FLayer, |
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public abstract class FLyrDefault extends AbstractDisposable implements FLayer, FLayerHidesArea,
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LayerListener {
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/** |
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* Useful for debug the problems during the implementation. |
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public String toString() {
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return super.toString() + ": " + getName(); |
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} |
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public boolean hidesThisArea(Envelope area) {
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return false; |
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} |
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} |
| branches/v2_0_0_prep/libraries/libFMap_mapcontext/src/org/gvsig/fmap/mapcontext/impl/DefaultMapContextDrawer.java | ||
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import org.gvsig.compat.CompatLocator; |
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import org.gvsig.compat.print.PrintAttributes; |
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import org.gvsig.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.MapContextDrawer; |
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.FLayerHidesArea; |
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import org.gvsig.fmap.mapcontext.layers.FLayers; |
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import org.gvsig.fmap.mapcontext.layers.LayerDrawEvent; |
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import org.gvsig.fmap.mapcontext.layers.LayersIterator; |
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cachedImage = new CachedImage(); |
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// Draw all layers |
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firstLayerToDraw = 0; |
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lastLayerToDraw = drawList.getLayerCount() - 1; |
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//lastLayerToDraw = drawList.getLayerCount() - 1; |
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lastLayerToDraw = drawList.getLastLayerVisible(viewPort); |
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} else {
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// Draw the first group of layers without changes to be cached |
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// next time |
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return this.layers.size(); |
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} |
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public int getLastLayerVisible(ViewPort viewPort) {
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Envelope area = viewPort.getAdjustedEnvelope(); |
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for( int n=0; n<this.layers.size()-1; n++ ) {
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FLayer layer = (FLayer) this.layers.get(n); |
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if( layer instanceof FLayerHidesArea ) {
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if( ((FLayerHidesArea)(layer)).hidesThisArea(area) ) {
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return n; |
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} |
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} |
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} |
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return this.layers.size()-1; |
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} |
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private boolean hasChanged(FLayer layer, int pos) {
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FLayer previous = (FLayer) this.previosList.layers.get(pos); |
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// String previousName = previous.getName(); |
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