Package org.apache.poi.sl.image

Class ImageHeaderWMF

java.lang.Object

org.apache.poi.sl.image.ImageHeaderWMF

@Internal
public class ImageHeaderWMF
extends java.lang.Object

Aldus Placeable Metafile header - 22 byte structure before WMF data.

• int Key; Magic number (always 9AC6CDD7h)
• short Handle; Metafile HANDLE number (always 0)
• short Left; Left coordinate in metafile units
• short Top; Top coordinate in metafile units
• short Right; Right coordinate in metafile units
• short Bottom; Bottom coordinate in metafile units
• short Inch; Number of metafile units per inch
• int Reserved; Reserved (always 0)
• short Checksum; Checksum value for previous 10 shorts

Field Summary

Fields

Modifier and Type	Field	Description
static int	APMHEADER_KEY

Constructor Summary

Constructors

Constructor	Description
ImageHeaderWMF(byte[] data, int off)
ImageHeaderWMF(java.awt.Rectangle dim)

Method Summary

Modifier and Type	Method	Description
java.awt.Rectangle	getBounds()
int	getChecksum()	Returns a checksum value for the previous 10 shorts in the header.
int	getLength()
java.awt.Dimension	getSize()
void	write(java.io.OutputStream out)

Methods inherited from class java.lang.Object

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

Field Detail

APMHEADER_KEY

public static final int APMHEADER_KEY

See Also:

Constant Field Values

Constructor Detail

ImageHeaderWMF

public ImageHeaderWMF(java.awt.Rectangle dim)

ImageHeaderWMF

public ImageHeaderWMF(byte[] data,
                      int off)

Method Detail

getChecksum

public int getChecksum()

Returns a checksum value for the previous 10 shorts in the header. The checksum is calculated by XORing each short value to an initial value of 0:

write

public void write(java.io.OutputStream out)
           throws java.io.IOException

Throws:

java.io.IOException

getSize

public java.awt.Dimension getSize()

getBounds

public java.awt.Rectangle getBounds()

getLength

public int getLength()