com.bumptech.glide.load.resource.bitmap
Class ImageHeaderParser

java.lang.Object
  com.bumptech.glide.load.resource.bitmap.ImageHeaderParser

public class ImageHeaderParser
extends Object

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

Nested Class Summary

static class

ImageHeaderParser.ImageType The format of the image data including whether or not the image may include transparent pixels.

Constructor Summary

ImageHeaderParser(InputStream is)

Method Summary

int	getOrientation() Parse the orientation from the image header.
ImageHeaderParser.ImageType	getType()
boolean	hasAlpha()

Methods inherited from class java.lang.Object

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

Constructor Detail

ImageHeaderParser

public ImageHeaderParser(InputStream is)

Method Detail

hasAlpha

public boolean hasAlpha()
                 throws IOException

Throws:

IOException

getType

public ImageHeaderParser.ImageType getType()
                                    throws IOException

Throws:

IOException

getOrientation

public int getOrientation()
                   throws 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:

IOException