Package popinjay

Class AffineTransform

  • public class AffineTransform
extends java.lang.Object
    A mutable affine transformation on 2D points.

    • Constructor Summary

      Constructors 
      Constructor Description
      AffineTransform()
      Create the identity transformation.
      AffineTransform​(int m00, int m01, int m10, int m11)
      Create a linear transformation.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Point apply​(Point p)
      Return a point that is the transformation of p.
      void compose​(AffineTransform t)
      Effect: compose the current transformation with the transformation t.
      void translate​(int dx, int dy)
      Effect: Compose the current transformation with a translation.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • AffineTransform

        public AffineTransform()
        Create the identity transformation.

      • AffineTransform

        public AffineTransform​(int m00,
                       int m01,
                       int m10,
                       int m11)
        Create a linear transformation.

    • Method Detail

      • translate

        public void translate​(int dx,
                      int dy)
        Effect: Compose the current transformation with a translation.

      • compose

        public void compose​(AffineTransform t)
        Effect: compose the current transformation with the transformation t.

      • apply

        public Point apply​(Point p)
        Return a point that is the transformation of p.