com.yalantis.ucrop.util

Class ImageHeaderParser

java.lang.Object

com.yalantis.ucrop.util.ImageHeaderParser

public class ImageHeaderParser
extends java.lang.Object

A class for parsing the exif orientation from an image header.

Field Summary

Fields

Modifier and Type	Field and Description
static int	UNKNOWN_ORIENTATION A constant indicating we were unable to parse the orientation from the image either because no exif segment containing orientation data existed, or because of an I/O error attempting to read the exif segment.

Constructor Summary

Constructors

Constructor and Description
ImageHeaderParser(java.io.InputStream is)

Method Summary

Modifier and Type	Method and Description
static void	copyExif(android.media.ExifInterface originalExif, int width, int height, java.lang.String imageOutputPath)
int	getOrientation() Parse the orientation from the image header.

Methods inherited from class java.lang.Object

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

Field Detail

UNKNOWN_ORIENTATION

public static final int UNKNOWN_ORIENTATION

A constant indicating we were unable to parse the orientation from the image either because no exif segment containing orientation data existed, or because of an I/O error attempting to read the exif segment.

See Also:

Constant Field Values

Constructor Detail

ImageHeaderParser

public ImageHeaderParser(java.io.InputStream is)

Method Detail

getOrientation

public int getOrientation()
                   throws java.io.IOException

Parse the orientation from the image header. If it doesn't handle this image type (or this is not an image) it will return a default value rather than throwing an exception.

Returns:

The exif orientation if present or -1 if the header couldn't be parsed or doesn't contain an orientation

Throws:

java.io.IOException

copyExif

public static void copyExif(android.media.ExifInterface originalExif,
                            int width,
                            int height,
                            java.lang.String imageOutputPath)