bee.tool.gif

类 GifDecoder

java.lang.Object

bee.tool.gif.GifDecoder

public class GifDecoder
extends java.lang.Object

字段概要

字段

限定符和类型	字段和说明
static int	STATUS_FORMAT_ERROR File read status: Error decoding file (may be partially decoded)
static int	STATUS_OK File read status: No errors.
static int	STATUS_OPEN_ERROR File read status: Unable to open source.

构造器概要

构造器

构造器和说明
GifDecoder()

方法概要

限定符和类型	方法和说明
int	getDelay(int n) Gets display duration for specified frame.
java.awt.image.BufferedImage	getFrame(int n) Gets the image contents of frame n.
int	getFrameCount() Gets the number of frames read from file.
java.awt.Dimension	getFrameSize() Gets image size.
java.awt.image.BufferedImage	getImage() Gets the first (or only) image read.
int	getLoopCount() Gets the "Netscape" iteration count, if any.
int	read(java.io.BufferedInputStream is) Reads GIF image from stream
int	read(java.io.InputStream ois) Reads GIF image from stream
int	read(java.lang.String name) Reads GIF file from specified file/URL source (URL assumed if name contains ":/" or "file:")

从类继承的方法 java.lang.Object

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

字段详细资料

STATUS_OK

public static final int STATUS_OK

File read status: No errors.

另请参阅:

常量字段值

STATUS_FORMAT_ERROR

public static final int STATUS_FORMAT_ERROR

File read status: Error decoding file (may be partially decoded)

另请参阅:

常量字段值

STATUS_OPEN_ERROR

public static final int STATUS_OPEN_ERROR

File read status: Unable to open source.

另请参阅:

常量字段值

构造器详细资料

GifDecoder

public GifDecoder()

方法详细资料

getDelay

public int getDelay(int n)

Gets display duration for specified frame.

参数:

n - int index of frame

返回:

delay in milliseconds

getFrameCount

public int getFrameCount()

Gets the number of frames read from file.

返回:

frame count

getImage

public java.awt.image.BufferedImage getImage()

Gets the first (or only) image read.

返回:

BufferedImage containing first frame, or null if none.

getLoopCount

public int getLoopCount()

Gets the "Netscape" iteration count, if any. A count of 0 means repeat indefinitiely.

返回:

iteration count if one was specified, else 1.

getFrame

public java.awt.image.BufferedImage getFrame(int n)

Gets the image contents of frame n.

参数:

n - -

返回:

BufferedImage representation of frame, or null if n is invalid.

getFrameSize

public java.awt.Dimension getFrameSize()

Gets image size.

返回:

GIF image dimensions

read

public int read(java.io.BufferedInputStream is)

Reads GIF image from stream

参数:

is - containing GIF file.

返回:

read status code (0 = no errors)

read

public int read(java.io.InputStream ois)

Reads GIF image from stream

参数:

ois - containing GIF file.

返回:

read status code (0 = no errors)

read

public int read(java.lang.String name)

Reads GIF file from specified file/URL source (URL assumed if name contains ":/" or "file:")

参数:

name - String containing source

返回:

read status code (0 = no errors)