org.apache.flex.swf

Class Header

java.lang.Object

org.apache.flex.swf.Header

public class Header
extends Object

Represents the header of a SWF file.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Header.Compression

Field Summary

Fields

Modifier and Type	Field and Description
static char[]	SIGNATURE_COMPRESSED_LZMA
static char[]	SIGNATURE_COMPRESSED_ZLIB
static char[]	SIGNATURE_UNCOMPRESSED

Constructor Summary

Constructors

Constructor and Description
Header() Constructor.

Method Summary

Methods

Modifier and Type	Method and Description
static Header.Compression	decideCompression(boolean compressed, int swfVersion, boolean debug) Based on desire for compression, debug, and swf version, pick the appropriate compression type
long	getCompressedLength() Length is the LZMA "compressedLength" from the header
Header.Compression	getCompression() Check if the SWF file uses compression.
int	getFrameCount() Get frame count.
float	getFrameRate() Get frame rate.
Rect	getFrameSize() Frame size in twips.
long	getLength() Length of entire file in bytes.
char[]	getSignature() SWF signature: CWS - compressed FWS - uncompressed
int	getVersion() SWF file version.
boolean	isSignatureValid(char[] signature) Determine if the signature is valid.
void	setCompressedLength(long length)
void	setFrameCount(int frameCount)
void	setFrameRate(float frameRate)
void	setFrameSize(Rect frameSize)
void	setLength(long length)
void	setSignature(char[] signature)
void	setVersion(int version)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

SIGNATURE_COMPRESSED_ZLIB

public static final char[] SIGNATURE_COMPRESSED_ZLIB

SIGNATURE_COMPRESSED_LZMA

public static final char[] SIGNATURE_COMPRESSED_LZMA

SIGNATURE_UNCOMPRESSED

public static final char[] SIGNATURE_UNCOMPRESSED

Constructor Detail

Header

public Header()

Constructor.

Method Detail

getSignature

public char[] getSignature()

SWF signature:

• CWS - compressed
• FWS - uncompressed

Returns:

signature string

isSignatureValid

public boolean isSignatureValid(char[] signature)

Determine if the signature is valid.

Parameters:

signature - The signature to be checked.

Returns:

true if the signature is valid, false otherwise.

setSignature

public void setSignature(char[] signature)

getVersion

public int getVersion()

SWF file version.

Returns:

version

setVersion

public void setVersion(int version)

getLength

public long getLength()

Length of entire file in bytes. If the SWF file is compressed, the length is the size after decompression.

Returns:

file length

getCompressedLength

public long getCompressedLength()

Length is the LZMA "compressedLength" from the header

setLength

public void setLength(long length)

setCompressedLength

public void setCompressedLength(long length)

getFrameSize

public Rect getFrameSize()

Frame size in twips.

Returns:

frame size

setFrameSize

public void setFrameSize(Rect frameSize)

getFrameRate

public float getFrameRate()

Get frame rate.

Returns:

frame rate

setFrameRate

public void setFrameRate(float frameRate)

getFrameCount

public int getFrameCount()

Get frame count.

Returns:

frame count

setFrameCount

public void setFrameCount(int frameCount)

getCompression

public Header.Compression getCompression()

Check if the SWF file uses compression.

Returns:

true if compressed

decideCompression

public static Header.Compression decideCompression(boolean compressed,
                                   int swfVersion,
                                   boolean debug)

Based on desire for compression, debug, and swf version, pick the appropriate compression type

toString

public String toString()

Overrides:

toString in class Object