org.ifeth.sehr.core.lib

Class ImageUtils

java.lang.Object

org.ifeth.sehr.core.lib.ImageUtils

public final class ImageUtils
extends java.lang.Object

Set dots per inch in the metadata of a PNG image.

Constructor Summary

Constructors

Constructor and Description
ImageUtils()

Method Summary

Modifier and Type	Method and Description
static int	getHeight(java.io.File image) Return image height in pixels.
static void	setDPI(java.io.File image) Set the DPI on image to 160.
static void	setDPI(java.io.File image, int dotsPerInch) Set the DPI on image to dotsPerInch.
static void	setSafeDpi(java.io.File image, int maxHeightInInches) Set the DPI on image so that it fits in maxHeightInInches, or to 160 if short enough.

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageUtils

public ImageUtils()

Method Detail

getHeight

public static int getHeight(java.io.File image)
                     throws java.io.IOException

Return image height in pixels.

Parameters:

image - image file.

Returns:

Image height in pixels.

Throws:

java.io.IOException - Failed to read the image.

setSafeDpi

public static void setSafeDpi(java.io.File image,
                              int maxHeightInInches)
                       throws java.io.IOException

Set the DPI on image so that it fits in maxHeightInInches, or to 160 if short enough.

Parameters:

image - PNG image file.

maxHeightInInches - maximum available image height in inches.

Throws:

java.io.IOException - Failed to save the image.

setDPI

public static void setDPI(java.io.File image)
                   throws java.io.IOException

Set the DPI on image to 160.

Parameters:

image - PNG image file.

Throws:

java.io.IOException - Failed to save the image.

setDPI

public static void setDPI(java.io.File image,
                          int dotsPerInch)
                   throws java.io.IOException

Set the DPI on image to dotsPerInch.

Parameters:

image - PNG image file.

dotsPerInch - DPI to set in metadata.

Throws:

java.io.IOException - Failed to save the image.