Revision 11138 trunk/libraries/libFMap/src/com/iver/cit/gvsig/fmap/rendering/styling/IPlacementConstraints.java

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IPlacementConstraints.java
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 * $Id$
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 * $Log$
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 * Revision 1.3  2007-04-02 16:34:56  jaume
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 * Revision 1.4  2007-04-11 16:01:08  jaume
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 * maybe a label placer refactor
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 *
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 * Revision 1.3  2007/04/02 16:34:56  jaume
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 * Styled labeling (start commiting)
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 * Revision 1.2  2007/03/09 08:33:43  jaume
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package com.iver.cit.gvsig.fmap.rendering.styling;


  		




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import java.awt.geom.AffineTransform;


  		




  
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import org.cresques.px.gml.MultiPolygon;


  		




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import com.iver.cit.gvsig.fmap.core.FShape;


  		




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public interface IPlacementConstraints {


  		




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	// constants regarding label duplication


  		




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	public static final int REMOVE_DUPLICATE_LABELS = 2;


  		




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	public static final int ONE_LABEL_PER_FEATURE = 3;


  		




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	public static final int ONE_LABEL_PER_FEATURE_PART = 4;


  		




  
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	public static final int REMOVE_DUPLICATE_LABELS             =       2;


  		




  
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	public static final int ONE_LABEL_PER_FEATURE               =       3;


  		




  
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	public static final int ONE_LABEL_PER_FEATURE_PART          =       4;


  		




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	// constants regarding point settings


  		




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	public static final int OFFSET_HORIZONTALY_AROUND_THE_POINT = 5;


  		




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	public static final int ON_TOP_OF_THE_POINT = 6;


  		




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	public static final int AT_SPECIFIED_ANGLE = 7;


  		




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	public static final int AT_ANGLE_SPECIFIED_BY_A_FIELD = 8;


  		




  
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	public static final int OFFSET_HORIZONTALY_AROUND_THE_POINT =       5;


  		




  
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	public static final int ON_TOP_OF_THE_POINT                 =       6;


  		




  
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	public static final int AT_SPECIFIED_ANGLE                  =       7;


  		




  
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	public static final int AT_ANGLE_SPECIFIED_BY_A_FIELD       =       8;


  		




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	// constants regarding polygon settings (also apply for lines)


  		




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	public static final int HORIZONTAL = 9;


  		




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	public static final int PARALLEL = 10;


  		




  
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	public static final int HORIZONTAL                          =       9;


  		




  
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	public static final int PARALLEL                            =      10;


  		




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	// constants regarding line settings


  		




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	public static final int FOLLOWING_LINE = 11;


  		




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	public static final int PERPENDICULAR = 12;


  		




  
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	public static final int FOLLOWING_LINE                      =      11;


  		




  
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	public static final int PERPENDICULAR                       =      12;


  		




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	// constants regarding label position along the line


  		




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	public static final int ABOVE_THE_LINE = 1000;


  		




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	public static final int ON_THE_LINE = 1100;


  		




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	public static final int BELLOW_THE_LINE = 1200;


  		




  
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	public static final int ABOVE_THE_LINE                      =    1000;


  		




  
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	public static final int ON_THE_LINE                         =    1100;


  		




  
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	public static final int BELLOW_THE_LINE                     =    1200;


  		




  
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	public static final int AT_THE_BEGINING                     =   10000;


  		




  
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	public static final int AT_THE_END                          =   20000;


  		




  
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	public static final int PAGE_ORIENTED                       =  100000;


  		




  
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	public static final int LINE_ORIENTED                       =  200000;


  		




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	public abstract void setDuplicateLabelsMode(int mode);


  		




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	public abstract int getDuplicateLabelsMode();


  		




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	/**


  		




  
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	 * Tells if the place mode selected is to put the label over the <b>POINT</b>


  		




  
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	 * @return boolean


  		




  
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	 */


  		




  
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	public abstract boolean isOnTopOfThePoint();


  		




  
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	public abstract boolean isAtTheBeginingOfLine();


  		




  
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	public abstract boolean isAtTheEndOfLine();


  		




  
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	public abstract boolean isBellowTheLine();


  		




  
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	public abstract boolean isAboveTheLine();


  		




  
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	public abstract boolean isPageOriented();


  		




  
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	public abstract boolean isLineOriented();


  		




  
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	/**


  		




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	 * Calculates the position where the next label will be placed. Or null


  		




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	 * if the label does not have to be placed.


  		




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	 *


  		




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	public abstract FShape[] getLocationsFor(IGeometry geom, FShape labelShape,


  		




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			MultiPolygon exclusionZone);


  		




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	public abstract void placeLabel(IGeometry geom, LabelClass lc, MultiPolygon exclusionZone, AffineTransform transform);


  		




  
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}


  		












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