/**
* Sets the anchor (the bounding box rectangle) of this shape. All coordinates should be expressed
* in Master units (576 dpi).
*
* @param anchor new anchor
*/
public void setAnchor(java.awt.Rectangle anchor) {
EscherContainerRecord spContainer =
(EscherContainerRecord) _escherContainer.getChildRecords().get(0);
EscherClientAnchorRecord clientAnchor =
(EscherClientAnchorRecord) getEscherChild(spContainer, EscherClientAnchorRecord.RECORD_ID);
// hack. internal variable EscherClientAnchorRecord.shortRecord can be
// initialized only in fillFields(). We need to set shortRecord=false;
byte[] header = new byte[16];
LittleEndian.putUShort(header, 0, 0);
LittleEndian.putUShort(header, 2, 0);
LittleEndian.putInt(header, 4, 8);
clientAnchor.fillFields(header, 0, null);
clientAnchor.setFlag((short) (anchor.y * MASTER_DPI / POINT_DPI));
clientAnchor.setCol1((short) (anchor.x * MASTER_DPI / POINT_DPI));
clientAnchor.setDx1((short) ((anchor.width + anchor.x) * MASTER_DPI / POINT_DPI));
clientAnchor.setRow1((short) ((anchor.height + anchor.y) * MASTER_DPI / POINT_DPI));
EscherSpgrRecord spgr =
(EscherSpgrRecord) getEscherChild(spContainer, EscherSpgrRecord.RECORD_ID);
spgr.setRectX1(anchor.x * MASTER_DPI / POINT_DPI);
spgr.setRectY1(anchor.y * MASTER_DPI / POINT_DPI);
spgr.setRectX2((anchor.x + anchor.width) * MASTER_DPI / POINT_DPI);
spgr.setRectY2((anchor.y + anchor.height) * MASTER_DPI / POINT_DPI);
}
/**
* Create a new ShapeGroup and create an instance of <code>EscherSpgrContainer</code> which
* represents a group of shapes
*/
protected EscherContainerRecord createSpContainer(boolean isChild) {
EscherContainerRecord spgr = new EscherContainerRecord();
spgr.setRecordId(EscherContainerRecord.SPGR_CONTAINER);
spgr.setOptions((short) 15);
// The group itself is a shape, and always appears as the first EscherSpContainer in the group
// container.
EscherContainerRecord spcont = new EscherContainerRecord();
spcont.setRecordId(EscherContainerRecord.SP_CONTAINER);
spcont.setOptions((short) 15);
EscherSpgrRecord spg = new EscherSpgrRecord();
spg.setOptions((short) 1);
spcont.addChildRecord(spg);
EscherSpRecord sp = new EscherSpRecord();
short type = (ShapeTypes.NotPrimitive << 4) + 2;
sp.setOptions(type);
sp.setFlags(EscherSpRecord.FLAG_HAVEANCHOR | EscherSpRecord.FLAG_GROUP);
spcont.addChildRecord(sp);
EscherClientAnchorRecord anchor = new EscherClientAnchorRecord();
spcont.addChildRecord(anchor);
spgr.addChildRecord(spcont);
return spgr;
}
/**
* Sets the coordinate space of this group. All children are constrained to these coordinates.
*
* @param anchor the coordinate space of this group
*/
public void setCoordinates(Rectangle2D anchor) {
EscherContainerRecord spContainer =
(EscherContainerRecord) _escherContainer.getChildRecords().get(0);
EscherSpgrRecord spgr =
(EscherSpgrRecord) getEscherChild(spContainer, EscherSpgrRecord.RECORD_ID);
int x1 = (int) Math.round(anchor.getX() * MASTER_DPI / POINT_DPI);
int y1 = (int) Math.round(anchor.getY() * MASTER_DPI / POINT_DPI);
int x2 = (int) Math.round((anchor.getX() + anchor.getWidth()) * MASTER_DPI / POINT_DPI);
int y2 = (int) Math.round((anchor.getY() + anchor.getHeight()) * MASTER_DPI / POINT_DPI);
spgr.setRectX1(x1);
spgr.setRectY1(y1);
spgr.setRectX2(x2);
spgr.setRectY2(y2);
}
/**
* Gets the coordinate space of this group. All children are constrained to these coordinates.
*
* @return the coordinate space of this group
*/
public Rectangle2D getCoordinates() {
EscherContainerRecord spContainer =
(EscherContainerRecord) _escherContainer.getChildRecords().get(0);
EscherSpgrRecord spgr =
(EscherSpgrRecord) getEscherChild(spContainer, EscherSpgrRecord.RECORD_ID);
Rectangle2D.Float anchor = new Rectangle2D.Float();
anchor.x = (float) spgr.getRectX1() * POINT_DPI / MASTER_DPI;
anchor.y = (float) spgr.getRectY1() * POINT_DPI / MASTER_DPI;
anchor.width = (float) (spgr.getRectX2() - spgr.getRectX1()) * POINT_DPI / MASTER_DPI;
anchor.height = (float) (spgr.getRectY2() - spgr.getRectY1()) * POINT_DPI / MASTER_DPI;
return anchor;
}