类 RotateFilter

  • 所有已实现的接口:
    BufferedImageOp, Cloneable

    public class RotateFilter
    extends TransformFilter
    A filter which rotates an image. These days this is easier done with Java2D, but this filter remains.
    • 构造器详细资料

      • RotateFilter

        public RotateFilter()
        Construct a RotateFilter.
      • RotateFilter

        public RotateFilter​(float angle)
        Construct a RotateFilter.
        参数:
        angle - the angle to rotate
      • RotateFilter

        public RotateFilter​(float angle,
                            boolean resize)
        Construct a RotateFilter.
        参数:
        angle - the angle to rotate
        resize - true if the output image should be resized
    • 方法详细资料

      • setAngle

        public void setAngle​(float angle)
        Specifies the angle of rotation.
        参数:
        angle - the angle of rotation.
        另请参阅:
        getAngle()
      • getAngle

        public float getAngle()
        Returns the angle of rotation.
        返回:
        the angle of rotation.
        另请参阅:
        setAngle(float)
      • transformSpace

        protected void transformSpace​(Rectangle rect)
        从类复制的说明: TransformFilter
        Forward transform a rectangle. Used to determine the size of the output image.
        覆盖:
        transformSpace 在类中 TransformFilter
        参数:
        rect - the rectangle to transform
      • transformInverse

        protected void transformInverse​(int x,
                                        int y,
                                        float[] out)
        从类复制的说明: TransformFilter
        Inverse transform a point. This method needs to be overriden by all subclasses.
        指定者:
        transformInverse 在类中 TransformFilter
        参数:
        x - the X position of the pixel in the output image
        y - the Y position of the pixel in the output image
        out - the position of the pixel in the input image