root / trunk / extensions / extCAD / src / com / iver / cit / gvsig / project / documents / view / snapping / snappers / CentralPointSnapper.java @ 8943
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package com.iver.cit.gvsig.project.documents.view.snapping.snappers; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.core.Handler; |
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import com.iver.cit.gvsig.fmap.core.ICenterHandler; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.project.documents.view.snapping.AbstractSnapper; |
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import com.iver.cit.gvsig.project.documents.view.snapping.ISnapperVectorial; |
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import java.awt.Graphics; |
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import java.awt.geom.Point2D; |
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/**
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* Central point snapper.
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*
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* @author Vicente Caballero Navarro
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*/
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public class CentralPointSnapper extends AbstractSnapper |
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implements ISnapperVectorial {
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.snapping.ISnapper#getSnapPoint(Point2D point,
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* IGeometry geom,double tolerance, Point2D lastPointEntered)
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*/
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public Point2D getSnapPoint(Point2D point, IGeometry geom, |
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double tolerance, Point2D lastPointEntered) { |
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Point2D resul = null; |
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Handler[] handlers = geom.getHandlers(IGeometry.SELECTHANDLER); |
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double minDist = tolerance;
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for (int j = 0; j < handlers.length; j++) { |
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if (handlers[j] instanceof ICenterHandler) { |
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Point2D handlerPoint = handlers[j].getPoint();
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double dist = handlerPoint.distance(point);
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if ((dist < minDist)) {
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resul = handlerPoint; |
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minDist = dist; |
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} |
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} |
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} |
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return resul;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.snapping.ISnapper#getToolTipText()
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*/
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public String getToolTipText() { |
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return PluginServices.getText(this, "central_point"); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.snapping.ISnapper#draw(java.awt.Graphics, java.awt.geom.Point2D)
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*/
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public void draw(Graphics g, Point2D pPixels) { |
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g.setColor(getColor()); |
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int half = getSizePixels() / 2; |
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g.drawOval((int) (pPixels.getX() - half),
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(int) (pPixels.getY() - half), getSizePixels(), getSizePixels());
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.snapping.ISnapper#getPriority()
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*/
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public int getPriority() { |
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return 4; |
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} |
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} |