org.apache.batik.transcoder.wmf.tosvg

Class WMFHeaderProperties

java.lang.Object

org.apache.batik.transcoder.wmf.tosvg.AbstractWMFReader

org.apache.batik.transcoder.wmf.tosvg.WMFHeaderProperties

public class WMFHeaderProperties
extends AbstractWMFReader

This class holds simple properties about a WMF Metafile. It can be used whenever general information must be retrieved about this file.

Version:

$Id: WMFHeaderProperties.java 577131 2007-09-19 02:10:25Z cam $

Field Summary

Fields

Modifier and Type	Field and Description
static int	BRUSH
static int	FONT
static int	NULL_BRUSH
static int	NULL_PEN
static int	OBJ_BITMAP
static int	OBJ_REGION
static int	PALETTE
static int	PEN
protected java.io.DataInputStream	stream

Fields inherited from class org.apache.batik.transcoder.wmf.tosvg.AbstractWMFReader

bottom, bReading, height, inch, isAldus, isotropic, lastObjectIdx, left, MM_PER_PIXEL, mtHeaderSize, mtMaxRecord, mtNoObjects, mtNoParameters, mtSize, mtType, mtVersion, numObjects, objectVector, PIXEL_PER_INCH, right, scaleX, scaleXY, scaleY, top, vpH, vpW, vpX, vpY, width, windowHeight, windowWidth, xSign, ySign

Constructor Summary

Constructors

Constructor and Description
WMFHeaderProperties() Creates a new WMFHeaderProperties, with no associated file.
WMFHeaderProperties(java.io.File wmffile) Creates a new WMFHeaderProperties, and sets the associated WMF File.

Method Summary

Modifier and Type	Method and Description
void	closeResource()
int	getHeightBoundsPixels()
int	getHeightBoundsUnits()
java.io.DataInputStream	getStream() Get the associated stream.
int	getWidthBoundsPixels()
int	getWidthBoundsUnits()
int	getXOffset()
int	getYOffset()
protected boolean	readRecords(java.io.DataInputStream is) Read this InputStream records.
void	reset() Resets the internal storage and viewport coordinates.
void	setFile(java.io.File wmffile) Creates the properties associated file.

Methods inherited from class org.apache.batik.transcoder.wmf.tosvg.AbstractWMFReader

addObject, addObjectAt, getBottomUnits, getHeightPixels, getHeightUnits, getLeftUnits, getMetaFileUnitsPerInch, getNumObjects, getObject, getPixelsPerUnit, getRectangleInch, getRectanglePixel, getRectangleUnits, getRightUnits, getTopUnits, getUnitsToPixels, getViewportHeightInch, getViewportHeightUnits, getViewportWidthInch, getViewportWidthUnits, getVpH, getVpHFactor, getVpW, getVpWFactor, getWidthPixels, getWidthUnits, getXSign, getYSign, isReading, read, readInt, readShort, setReading

Methods inherited from class java.lang.Object

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

Field Detail

stream

protected java.io.DataInputStream stream

PEN

public static final int PEN

See Also:

Constant Field Values

BRUSH

public static final int BRUSH

See Also:

Constant Field Values

FONT

public static final int FONT

See Also:

Constant Field Values

NULL_PEN

public static final int NULL_PEN

See Also:

Constant Field Values

NULL_BRUSH

public static final int NULL_BRUSH

See Also:

Constant Field Values

PALETTE

public static final int PALETTE

See Also:

Constant Field Values

OBJ_BITMAP

public static final int OBJ_BITMAP

See Also:

Constant Field Values

OBJ_REGION

public static final int OBJ_REGION

See Also:

Constant Field Values

Constructor Detail

WMFHeaderProperties

public WMFHeaderProperties(java.io.File wmffile)
                    throws java.io.IOException

Creates a new WMFHeaderProperties, and sets the associated WMF File.

Parameters:

wmffile - the WMF Metafile

Throws:

java.io.IOException - on read errors

WMFHeaderProperties

public WMFHeaderProperties()

Creates a new WMFHeaderProperties, with no associated file.

Method Detail

closeResource

public void closeResource()

setFile

public void setFile(java.io.File wmffile)
             throws java.io.IOException

Creates the properties associated file.

Parameters:

wmffile - WMF file

Throws:

java.io.IOException - on read and format errors

reset

public void reset()

Resets the internal storage and viewport coordinates.

Specified by:

reset in class AbstractWMFReader

getStream

public java.io.DataInputStream getStream()

Get the associated stream.

Returns:

the associated stream

readRecords

protected boolean readRecords(java.io.DataInputStream is)
                       throws java.io.IOException

Description copied from class: AbstractWMFReader

Read this InputStream records. The aldus placeable header have already been read (see AbstractWMFReader.read(DataInputStream)). The behavior of this method is left to the subclass.

Each Metafile record is composed of:

• the size of the Record in int (32 bits)
• the function ID for the Record on a short word (16 bits)
• the function parameters, according to the WMF Metafile specification. the remaining size in short words (16 bits) for the parameters is equal to the total size for the record minus 3 short words (= 16 + 32 bits)

Example:

while (functionId > 0) {
        recSize = readInt( is );
        // Subtract size in 16-bit words of recSize and functionId;
        recSize -= 3;
        functionId = readShort( is );
        if ( functionId <= 0 )
          break;
        switch ( functionId ) {
          case WMFConstants.<a WMF function ID> {
            do something when this function is encountered
          }
          break;

          default:
             for ( int j = 0; j < recSize; j++ )
               readShort(is);
          break;
 

Specified by:

readRecords in class AbstractWMFReader

Parameters:

is - input stream to read from

Returns:

true if reading was successful, false if any unhandled exception was caught

Throws:

java.io.IOException - on read errors

See Also:

WMFConstants

getWidthBoundsPixels

public int getWidthBoundsPixels()

Returns:

the width of the Rectangle bounding the figures enclosed in the Metafile, in pixels

getHeightBoundsPixels

public int getHeightBoundsPixels()

Returns:

the height of the Rectangle bounding the figures enclosed in the Metafile, in pixels.

getWidthBoundsUnits

public int getWidthBoundsUnits()

Returns:

the width of the Rectangle bounding the figures enclosed in the Metafile, in Metafile Units.

getHeightBoundsUnits

public int getHeightBoundsUnits()

Returns:

the height of the Rectangle bounding the figures enclosed in the Metafile in Metafile Units.

getXOffset

public int getXOffset()

Returns:

the X offset of the Rectangle bounding the figures enclosed in the Metafile.

getYOffset

public int getYOffset()

Returns:

the Y offset of the Rectangle bounding the figures enclosed in the Metafile.