com.bumptech.glide.load

Interface ImageHeaderParser

All Known Implementing Classes:

DefaultImageHeaderParser, ExifInterfaceImageHeaderParser

public interface ImageHeaderParser

Interface for the ImageHeaderParser.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ImageHeaderParser.ImageType The format of the image data including whether or not the image may include transparent pixels.

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.

Method Summary

Modifier and Type	Method and Description
int	getOrientation(java.nio.ByteBuffer byteBuffer, ArrayPool byteArrayPool)
int	getOrientation(java.io.InputStream is, ArrayPool byteArrayPool) Parse the orientation from the image header.
ImageHeaderParser.ImageType	getType(java.nio.ByteBuffer byteBuffer)
ImageHeaderParser.ImageType	getType(java.io.InputStream is)

Field Detail

UNKNOWN_ORIENTATION

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

Method Detail

getType

@NonNull
ImageHeaderParser.ImageType getType(@NonNull
                                             java.io.InputStream is)
                                      throws java.io.IOException

Throws:

java.io.IOException

getType

@NonNull
ImageHeaderParser.ImageType getType(@NonNull
                                             java.nio.ByteBuffer byteBuffer)
                                      throws java.io.IOException

Throws:

java.io.IOException

getOrientation

int getOrientation(@NonNull
                   java.io.InputStream is,
                   @NonNull
                   ArrayPool byteArrayPool)
            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

getOrientation

int getOrientation(@NonNull
                   java.nio.ByteBuffer byteBuffer,
                   @NonNull
                   ArrayPool byteArrayPool)
            throws java.io.IOException

Throws:

java.io.IOException