Revision 21100 branches/v2_0_0_prep/libraries/libFMap/src/org/gvsig/fmap/core/geometries/utils/FLabel.java
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import java.awt.geom.Rectangle2D; |
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import org.apache.batik.ext.awt.geom.PathLength; |
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import org.gvsig.fmap.core.shapes.FMultiPoint2D;
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import org.gvsig.fmap.core.shapes.FPoint2D;
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import org.gvsig.fmap.core.shapes.FShape;
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import org.gvsig.fmap.geom.aggregate.MultiPoint2D;
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import org.gvsig.fmap.geom.primitive.FShape;
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import org.gvsig.fmap.geom.util.Converter;
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import org.gvsig.fmap.mapcontext.ViewPort; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.FGraphicUtilities; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.FSymbol; |
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* |
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* @return nuevo FLabel creado. |
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*/ |
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public static FLabel createFLabel(FShape shp) {
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public static FLabel createFLabel(org.gvsig.fmap.geom.Geometry geom) {
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float angle; |
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Point2D pAux = createLabelPoint(shp);
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Point2D pAux = createLabelPoint(geom);
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FLabel label = new FLabel(); |
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label.setOrig(pAux); |
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switch (shp.getShapeType()) {
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case FShape.LINE:
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case FShape.LINE + FShape.Z:
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PathLength pathLen = new PathLength(shp);
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switch (geom.getType()) {
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE:
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE + org.gvsig.fmap.geom.Geometry.TYPES.Z:
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PathLength pathLen = new PathLength(geom);
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float midDistance = pathLen.lengthOfPath() / 2; |
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angle = pathLen.angleAtLength(midDistance); |
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|
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return label; |
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} |
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public static Point2D createLabelPoint(Shape shp) {
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public static Point2D createLabelPoint(org.gvsig.fmap.geom.Geometry geom) {
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Point2D pAux = null; |
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if (shp instanceof FShape){
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switch (((FShape)shp).getShapeType()) {
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case FShape.POINT: |
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case FShape.POINT + FShape.Z: |
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pAux = new Point2D.Double(((FPoint2D) shp).getX(), |
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((FPoint2D) shp).getY()); |
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switch (geom.getType()) {
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case org.gvsig.fmap.geom.Geometry.TYPES.POINT: |
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case org.gvsig.fmap.geom.Geometry.TYPES.POINT + org.gvsig.fmap.geom.Geometry.TYPES.Z: |
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pAux = new Point2D.Double(((org.gvsig.fmap.geom.primitive.Point2D) geom).getX(), |
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((org.gvsig.fmap.geom.primitive.Point2D) geom).getY()); |
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return pAux; |
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case FShape.LINE:
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case FShape.LINE + FShape.Z:
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PathLength pathLen = new PathLength(shp);
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE:
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case org.gvsig.fmap.geom.Geometry.TYPES.CURVE + org.gvsig.fmap.geom.Geometry.TYPES.Z:
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PathLength pathLen = new PathLength(geom);
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// if (pathLen.lengthOfPath() < width / mT.getScaleX()) return; |
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float midDistance = pathLen.lengthOfPath() / 2; |
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pAux = pathLen.pointAtLength(midDistance); |
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return pAux; |
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case FShape.POLYGON:
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case FShape.POLYGON + FShape.Z:
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Geometry geo = FConverter.java2d_to_jts((FShape)shp);
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case org.gvsig.fmap.geom.Geometry.TYPES.SURFACE:
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case org.gvsig.fmap.geom.Geometry.TYPES.SURFACE + org.gvsig.fmap.geom.Geometry.TYPES.Z:
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Geometry geo = Converter.java2d_to_jts((FShape)geom);
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if (geo == null) {
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return null; |
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Point pJTS = geo.getCentroid(); |
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if (pJTS != null) {
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FShape pLabel = FConverter.jts_to_java2d(pJTS);
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return new Point2D.Double(((FPoint2D) pLabel).getX(),
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((FPoint2D) pLabel).getY());
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FShape pLabel = Converter.jts_to_java2d(pJTS); |
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return new Point2D.Double(((org.gvsig.fmap.geom.primitive.Point2D) pLabel).getX(),
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((org.gvsig.fmap.geom.primitive.Point2D) pLabel).getY());
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} |
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break; |
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case org.gvsig.fmap.geom.Geometry.TYPES.MULTIPOINT: |
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int num=((MultiPoint2D)geom).getPrimitivesNumber(); |
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Rectangle2D r=null; |
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if (num>0){
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r= ((MultiPoint2D)geom).getPoint(0).getBounds2D(); |
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for (int i=1;i<num;i++){
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org.gvsig.fmap.geom.primitive.Point2D fp=((MultiPoint2D)geom).getPoint(i); |
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r.add(new Point2D.Double(fp.getX(),fp.getY())); |
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} |
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} |
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if (r!=null) |
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return new Point2D.Double(r.getCenterX(),r.getCenterY()); |
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break; |
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} // switch |
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}else if (shp instanceof FMultiPoint2D){
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int num=((FMultiPoint2D)shp).getNumPoints(); |
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Rectangle2D r=null; |
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if (num>0){
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r= ((FMultiPoint2D)shp).getPoint(0).getBounds2D(); |
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for (int i=1;i<num;i++){
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FPoint2D fp=((FMultiPoint2D)shp).getPoint(i); |
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r.add(new Point2D.Double(fp.getX(),fp.getY())); |
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} |
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} |
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if (r!=null) |
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return new Point2D.Double(r.getCenterX(),r.getCenterY()); |
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} |
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return null; |
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} |
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public void setTypeFont(String t) {
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*/ |
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public void draw(Graphics2D g, AffineTransform affineTransform, Shape theShape, ISymbol theSymbol) {
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FGraphicUtilities.DrawLabel(g, affineTransform, |
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(FShape) theShape, (FSymbol) theSymbol, this);
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(org.gvsig.fmap.geom.Geometry) theShape, (FSymbol) theSymbol, this);
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} |
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