net.rim.device.api.system
Class JPEGEncodedImage

java.lang.Object
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  +--net.rim.device.api.system.EncodedImage
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        +--net.rim.device.api.system.JPEGEncodedImage

public final class JPEGEncodedImage

extends EncodedImage

Represents an image encoded in the JPEG format.

Since:

JDE 3.7.0

See Also:

EncodedImage

Field Summary

static int	FILETYPE_JFIF Constant indicating the JFIF file type.
static int	FILETYPE_UNKNOWN Constant indicating an unknown file type.
static int	FRAMETYPE_BASELINE Constant indicating the baseline jpeg mode.
static int	FRAMETYPE_PROGRESSIVE Constant indicating the progressive jpg mode.
static int	FRAMETYPE_SEQUENTIAL Constnat indicating the sequential jpeg mode .

Fields inherited from class net.rim.device.api.system.EncodedImage

DECODE_ALPHA, DECODE_NATIVE, DECODE_READONLY, IMAGE_TYPE_JPEG, IMAGE_TYPE_PNG, IMAGE_TYPE_WBMP

Method Summary

int	getAlphaType(int frameIndex) Gets the bitmap type for the given frame's alpha channel
int	getBitmapType(int frameIndex) Gets the bitmap type for the given frame.
int	getFileType() Returns an integer representing the file type.
int	getFrameType() Returns an integer representing the frame type.
boolean	isColor() Returns a boolean indicating whether or not the jpeg is color.

Methods inherited from class net.rim.device.api.system.EncodedImage

createEncodedImage, createEncodedImage, getBitmap, getBitmap, getData, getDecodeMode, getFrameCount, getFrameHeight, getFrameMonochrome, getFrameTransparency, getFrameWidth, getHeight, getImageType, getLength, getOffset, getScale, getScaledHeight, getScaledWidth, getSupportedMIMETypes, getWidth, hasTransparency, isMonochrome, setDecodeMode, setScale

Methods inherited from class java.lang.Object

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

Field Detail

FILETYPE_UNKNOWN

public static final int FILETYPE_UNKNOWN

Constant indicating an unknown file type.

Since:

JDE 3.7.0

FILETYPE_JFIF

public static final int FILETYPE_JFIF

Constant indicating the JFIF file type.

Since:

JDE 3.7.0

FRAMETYPE_BASELINE

public static final int FRAMETYPE_BASELINE

Constant indicating the baseline jpeg mode.

Since:

JDE 3.7.0

FRAMETYPE_SEQUENTIAL

public static final int FRAMETYPE_SEQUENTIAL

Constnat indicating the sequential jpeg mode .

Since:

JDE 3.7.0

FRAMETYPE_PROGRESSIVE

public static final int FRAMETYPE_PROGRESSIVE

Constant indicating the progressive jpg mode.

Since:

JDE 3.7.0

Method Detail

isColor

public boolean isColor()

Returns a boolean indicating whether or not the jpeg is color.

Returns:

true if the jpeg is color, false otherwise.

Since:

JDE 3.7.0

getFileType

public int getFileType()

Returns an integer representing the file type.

One of FILETYPE_UNKNOWN, FILETYPE_JFIF.

Returns:

An integer representing the file type.

Since:

JDE 3.7.0

getFrameType

public int getFrameType()

Returns an integer representing the frame type.

One of FRAMETYPE_BASELINE, FRAMETYPE_SEQUENTIAL, FRAMETYPE_PROGRESSIVE.

Returns:

An integer representing the file type.

Since:

JDE 3.7.0

getBitmapType

public int getBitmapType(int frameIndex)

Description copied from class: EncodedImage

Gets the bitmap type for the given frame.

Overrides:

getBitmapType in class EncodedImage

Since:

JDE 3.7.0

getAlphaType

public int getAlphaType(int frameIndex)

Description copied from class: EncodedImage

Gets the bitmap type for the given frame's alpha channel

Overrides:

getAlphaType in class EncodedImage

Since:

JDE 3.7.0