Class MutableAffineTransformer

java.lang.Object
edu.uci.ics.jung.visualization.transform.AffineTransformer
edu.uci.ics.jung.visualization.transform.MutableAffineTransformer
All Implemented Interfaces:
BidirectionalTransformer, MutableTransformer, ShapeTransformer, ChangeEventSupport
public class MutableAffineTransformer extends AffineTransformer implements MutableTransformer, ShapeTransformer, ChangeEventSupport
Provides methods to mutate the AffineTransform used by AffineTransformer base class to map points from one coordinate system to another.

  • Field Details

  • Constructor Details

    • MutableAffineTransformer

      public MutableAffineTransformer()
      create an instance that does not transform points

    • MutableAffineTransformer

      public MutableAffineTransformer(AffineTransform transform)
      Create an instance with the supplied transform
      Parameters:
      transform - the transform to use

  • Method Details

    • toString

      public String toString()
      Overrides:
      toString in class AffineTransformer

    • scale

      public void scale(double scalex, double scaley, Point2D from)
      setter for the scale fires a PropertyChangeEvent with the AffineTransforms representing the previous and new values for scale and offset
      Specified by:
      scale in interface MutableTransformer
      Parameters:
      scalex - the amount to scale in the x direction
      scaley - the amount to scale in the y direction
      from - the point to transform

    • setScale

      public void setScale(double scalex, double scaley, Point2D from)
      setter for the scale fires a PropertyChangeEvent with the AffineTransforms representing the previous and new values for scale and offset
      Specified by:
      setScale in interface MutableTransformer
      Parameters:
      scalex - the amount to scale in the x direction
      scaley - the amount to scale in the y direction
      from - the point to transform

    • shear

      public void shear(double shx, double shy, Point2D from)
      shears the transform by passed parameters
      Specified by:
      shear in interface MutableTransformer
      Parameters:
      shx - x value to shear
      shy - y value to shear
      from - the point to transform

    • setTranslate

      public void setTranslate(double tx, double ty)
      Replace the Transform's translate x and y values with the passed values, leaving the scale values unchanged.
      Specified by:
      setTranslate in interface MutableTransformer
      Parameters:
      tx - the x value of the translation
      ty - the y value of the translation

    • translate

      public void translate(double offsetx, double offsety)
      Apply the passed values to the current Transform
      Specified by:
      translate in interface MutableTransformer
      Parameters:
      offsetx - the x-value
      offsety - the y-value

    • rotate

      public void rotate(double theta, Point2D from)
      preconcatenates the rotation at the supplied point with the current transform
      Specified by:
      rotate in interface MutableTransformer
      Parameters:
      theta - the angle by which to rotate the point
      from - the point to transform

    • rotate

      public void rotate(double radians, double x, double y)
      rotates the current transform at the supplied points
      Specified by:
      rotate in interface MutableTransformer
      Parameters:
      radians - angle by which to rotate the supplied coordinates
      x - the x coordinate of the point to transform
      y - the y coordinate of the point to transform

    • concatenate

      public void concatenate(AffineTransform xform)
      Specified by:
      concatenate in interface MutableTransformer

    • preConcatenate

      public void preConcatenate(AffineTransform xform)
      Specified by:
      preConcatenate in interface MutableTransformer

    • addChangeListener

      public void addChangeListener(ChangeListener l)
      Adds a ChangeListener.
      Specified by:
      addChangeListener in interface ChangeEventSupport
      Parameters:
      l - the listener to be added

    • removeChangeListener

      public void removeChangeListener(ChangeListener l)
      Removes a ChangeListener.
      Specified by:
      removeChangeListener in interface ChangeEventSupport
      Parameters:
      l - the listener to be removed

    • getChangeListeners

      public ChangeListener[] getChangeListeners()
      Returns an array of all the ChangeListeners added with addChangeListener().
      Specified by:
      getChangeListeners in interface ChangeEventSupport
      Returns:
      all of the ChangeListeners added or an empty array if no listeners have been added

    • fireStateChanged

      public void fireStateChanged()
      Notifies all listeners that have registered interest for notification on this event type. The event instance is lazily created.
      Specified by:
      fireStateChanged in interface ChangeEventSupport
      See Also:

    • setToIdentity

      public void setToIdentity()
      Specified by:
      setToIdentity in interface MutableTransformer