ch.hsr.worldfiletool.util
Class RotateImage

java.lang.Object
  ch.hsr.worldfiletool.util.RotateImage

public class RotateImage
extends java.lang.Object

The Class RotateImage.

Constructor Summary

RotateImage()

Method Summary

static java.awt.image.BufferedImage	rotate_angle(java.io.File file, double angle) 2D image rotation with angle in deegree.
static java.awt.image.BufferedImage	rotate_vectors(java.io.File file, double vecx, double vecy) 2D image rotation with vectors.
private static java.awt.image.BufferedImage	rotate(java.awt.geom.AffineTransform at, java.awt.image.BufferedImage bi, double angle) Rotate and Translate Image.
private static java.awt.geom.Point2D	transform_point(double x, double y, java.awt.geom.AffineTransform at)
private static java.awt.geom.AffineTransform	translate(java.awt.geom.AffineTransform at, java.awt.image.BufferedImage bi, double angle) translate to make sure the rotation doesn't cut off any image data.

Methods inherited from class java.lang.Object

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

Constructor Detail

RotateImage

public RotateImage()

Method Detail

rotate_vectors

public static java.awt.image.BufferedImage rotate_vectors(java.io.File file,
                                                          double vecx,
                                                          double vecy)

2D image rotation with vectors.

Parameters:

file - InputFile

vecx - Vector x

vecy - Vector y

Returns:

bi - BufferedImage

rotate_angle

public static java.awt.image.BufferedImage rotate_angle(java.io.File file,
                                                        double angle)

2D image rotation with angle in deegree.

Parameters:

file - InputFile

angle - Angle in deegree

Returns:

bi - BufferedImage

translate

private static java.awt.geom.AffineTransform translate(java.awt.geom.AffineTransform at,
                                                       java.awt.image.BufferedImage bi,
                                                       double angle)

translate to make sure the rotation doesn't cut off any image data.

Parameters:

at - AffineTransform

bi - BufferedImage

angle - Rotation in deegree

Returns:

att Translate AffineTransform

transform_point

private static java.awt.geom.Point2D transform_point(double x,
                                                     double y,
                                                     java.awt.geom.AffineTransform at)

rotate

private static java.awt.image.BufferedImage rotate(java.awt.geom.AffineTransform at,
                                                   java.awt.image.BufferedImage bi,
                                                   double angle)

Rotate and Translate Image.

Parameters:

at - AffineTransform

bi - BufferedImage Input

angle - Rotate Angle

Returns:

BufferedImage