protected Drawing2(DrawingGroupObject dgo,
    DrawingGroup dg) 
{
    Drawing2 d = (Drawing2) dgo;
    Assert.verify(d.origin == Origin.READ);
    msoDrawingRecord = d.msoDrawingRecord;
    initialized = false;
    origin = Origin.READ;
    drawingData = d.drawingData;
    drawingGroup = dg;
    drawingNumber = d.drawingNumber;
    drawingGroup.addDrawing(this);
}

Copy constructor used to copy drawings from read to write

Parameters:

dgo - the drawing group object

dg - the drawing group

 public Drawing2(MsoDrawingRecord mso,
    DrawingData dd,
    DrawingGroup dg) 
{
                               
    drawingGroup = dg;
    msoDrawingRecord = mso;
    drawingData = dd;
    initialized = false;
    origin = Origin.READ;
    // there is no drawing number associated with this drawing
    drawingData.addRawData(msoDrawingRecord.getData());
    drawingGroup.addDrawing(this);
    Assert.verify(mso != null);
    initialize();
}

Constructor used when reading images

Parameters:

mso - the drawing record

dd - the drawing data for all drawings on this sheet

dg - the drawing group

 public Drawing2(double x,
    double y,
    double w,
    double h,
    File image) 
{
    imageFile = image;
    initialized = true;
    origin = Origin.WRITE;
    this.x = x;
    this.y = y;
    this.width = w;
    this.height = h;
    referenceCount = 1;
    type = ShapeType.PICTURE_FRAME;
}

Constructor invoked when writing the images

Parameters:

x - the column

y - the row

w - the width in cells

h - the height in cells

image - the image file

 public Drawing2(double x,
    double y,
    double w,
    double h,
    byte[] image) 
{
    imageData = image;
    initialized = true;
    origin = Origin.WRITE;
    this.x = x;
    this.y = y;
    this.width = w;
    this.height = h;
    referenceCount = 1;
    type = ShapeType.PICTURE_FRAME;
}

Constructor invoked when writing the images

Parameters:

x - the column

y - the row

w - the width in cells

h - the height in cells

image - the image data

 public final int getBlipId() 
{
    if (!initialized)
    {
      initialize();
    }
    return blipId;
}

Accessor for the blip id

 public double getColumn() 
{
    return getX();
}

Interface method

 public DrawingGroup getDrawingGroup() 
{
    return drawingGroup;
}

Accessor for the drawing group

 public double getHeight() 
{
    if (!initialized)
    {
      initialize();
    }
    return height;
}

Accessor for the height of this drawing

 public byte[] getImageBytes() throws IOException 
{
    Assert.verify(false);
    if (origin == Origin.READ || origin == Origin.READ_WRITE)
    {
      return getImageData();
    }
    Assert.verify(origin == Origin.WRITE);
    if (imageFile == null)
    {
      Assert.verify(imageData != null);
      return imageData;
    }
    byte[] data = new byte[(int) imageFile.length()];
    FileInputStream fis = new FileInputStream(imageFile);
    fis.read(data, 0, data.length);
    fis.close();
    return data;
}

Accessor for the image data

 public byte[] getImageData() 
{
    Assert.verify(false);
    Assert.verify(origin == Origin.READ || origin == Origin.READ_WRITE);
    if (!initialized)
    {
      initialize();
    }
    return drawingGroup.getImageData(blipId);
}

Accessor for the image data

 public String getImageFilePath() 
{
    Assert.verify(false);
    return null;
}

Accessor for the image file path. Normally this is the absolute path of a file on the directory system, but if this drawing was constructed using an byte[] then the blip id is returned

 public MsoDrawingRecord getMsoDrawingRecord() 
{
    return msoDrawingRecord;
}

Gets the drawing record which was read in

 public final int getObjectId() 
{
    if (!initialized)
    {
      initialize();
    }
    return objectId;
}

Accessor for the object id

 public Origin getOrigin() 
{
    return origin;
}

Gets the origin of this drawing

 public int getReferenceCount() 
{
    return referenceCount;
}

Accessor for the reference count on this drawing

 public double getRow() 
{
    return getY();
}

Interface method

 public int getShapeId() 
{
    if (!initialized)
    {
      initialize();
    }
    return shapeId;
}

Accessor for the shape id

 public EscherContainer getSpContainer() 
{
    if (!initialized)
    {
      initialize();
    }
    Assert.verify(origin == Origin.READ);
    return getReadSpContainer();
}

Creates the main Sp container for the drawing

 public ShapeType getType() 
{
    return type;
}

Accessor for the type

 public double getWidth() 
{
    if (!initialized)
    {
      initialize();
    }
    return width;
}

Accessor for the width of this drawing

 public double getX() 
{
    if (!initialized)
    {
      initialize();
    }
    return x;
}

Accessor for the column of this drawing

 public double getY() 
{
    if (!initialized)
    {
      initialize();
    }
    return y;
}

Accessor for the row of this drawing

 public boolean isFirst() 
{
    return msoDrawingRecord.isFirst();
}

Accessor for the first drawing on the sheet. This is used when copying unmodified sheets to indicate that this drawing contains the first time Escher gubbins

 public boolean isFormObject() 
{
    return false;
}

Queries whether this object is a form object. Form objects have their drawings records spread over TXO and CONTINUE records and require special handling

 public  void removeRow(int r) 
{
    if (y  > r)
    {
      setY(r);
    }
}

Removes a row

 public  void setDrawingGroup(DrawingGroup dg) 
{
    drawingGroup = dg;
}

Sets the drawing group for this drawing. Called by the drawing group when this drawing is added to it

 public  void setHeight(double h) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    height = h;
}

Accessor for the height of this drawing

 public final  void setObjectId(int objid,
    int bip,
    int sid) 
{
    objectId = objid;
    blipId = bip;
    shapeId = sid;
    if (origin == Origin.READ)
    {
      origin = Origin.READ_WRITE;
    }
}

Sets the object id. Invoked by the drawing group when the object is added to id

 public  void setReferenceCount(int r) 
{
    referenceCount = r;
}

Sets the new reference count on the drawing

 public  void setWidth(double w) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    width = w;
}

Accessor for the width

 public  void setX(double x) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    this.x = x;
}

Sets the column position of this drawing

 public  void setY(double y) 
{
    if (origin == Origin.READ)
    {
      if (!initialized)
      {
        initialize();
      }
      origin = Origin.READ_WRITE;
    }
    this.y = y;
}

Accessor for the row of the drawing

 public  void writeAdditionalRecords(File outputFile) throws IOException 
{
    // no records to write
}

Writes any other records associated with this drawing group object

 public  void writeTailRecords(File outputFile) throws IOException 
{
    // does nothing
}

Writes any records that need to be written after all the drawing group objects have been written Does nothing here