/**
* Gets an instance of a CircleAnnotation that has valid Object Reference.
*
* @param library document library
* @param rect bounding rectangle in user space
* @return new CircleAnnotation Instance.
*/
public static CircleAnnotation getInstance(Library library, Rectangle rect) {
// state manager
StateManager stateManager = library.getStateManager();
// create a new entries to hold the annotation properties
HashMap<Name, Object> entries = new HashMap<Name, Object>();
// set default link annotation values.
entries.put(Dictionary.TYPE_KEY, Annotation.TYPE_VALUE);
entries.put(Dictionary.SUBTYPE_KEY, Annotation.SUBTYPE_CIRCLE);
// coordinates
if (rect != null) {
entries.put(Annotation.RECTANGLE_KEY, PRectangle.getPRectangleVector(rect));
} else {
entries.put(Annotation.RECTANGLE_KEY, new Rectangle(10, 10, 50, 100));
}
// create the new instance
CircleAnnotation circleAnnotation = new CircleAnnotation(library, entries);
circleAnnotation.init();
circleAnnotation.setPObjectReference(stateManager.getNewReferencNumber());
circleAnnotation.setNew(true);
// set default flags.
circleAnnotation.setFlag(Annotation.FLAG_READ_ONLY, false);
circleAnnotation.setFlag(Annotation.FLAG_NO_ROTATE, false);
circleAnnotation.setFlag(Annotation.FLAG_NO_ZOOM, false);
circleAnnotation.setFlag(Annotation.FLAG_PRINT, true);
return circleAnnotation;
}
/**
* Returns a new PRectangle object representing the intersection of this PRectangle with the
* specified PRectangle using the Cartesian coordinate system. If a Java2D coordinate system is
* used, then the rectangle should be first converted to that space {@see #toJava2dCoordinates()
* }.
*
* @param src2 the Rectangle2D to be intersected with this Rectangle2D.
* @return object representing the intersection of the two PRectangles.
*/
public PRectangle createCartesianIntersection(PRectangle src2) {
PRectangle rec = new PRectangle(src2.x, src2.y, src2.width, src2.height);
float xLeft = (x > rec.x) ? x : rec.x;
float xRight = ((x + width) > (rec.x + rec.width)) ? (rec.x + rec.width) : (x + width);
float yBottom = ((y - height) < (rec.y - rec.height) ? (rec.y - rec.height) : (y - height));
float yTop = (y > rec.y) ? rec.y : y;
rec.x = xLeft;
rec.y = yTop;
rec.width = xRight - xLeft;
rec.height = yTop - yBottom;
// If rectangles don't intersect, return zeroed intersection.
if (rec.width < 0 || rec.height < 0) {
rec.x = rec.y = rec.width = rec.height = 0;
}
return rec;
}
/** Resets the annotations appearance stream. */
public void resetAppearanceStream(double dx, double dy, AffineTransform pageTransform) {
matrix = new AffineTransform();
shapes = new Shapes();
// setup the AP stream.
setModifiedDate(PDate.formatDateTime(new Date()));
// refresh rectangle
rectangle = getUserSpaceRectangle().getBounds();
entries.put(Annotation.RECTANGLE_KEY, PRectangle.getPRectangleVector(rectangle));
userSpaceRectangle =
new Rectangle2D.Float(
(float) rectangle.getX(), (float) rectangle.getY(),
(float) rectangle.getWidth(), (float) rectangle.getHeight());
int strokeWidth = (int) borderStyle.getStrokeWidth();
Rectangle rectangleToDraw =
new Rectangle(
(int) rectangle.getX() + strokeWidth,
(int) rectangle.getY() + strokeWidth,
(int) rectangle.getWidth() - strokeWidth * 2,
(int) rectangle.getHeight() - strokeWidth * 2);
// setup the space for the AP content stream.
AffineTransform af = new AffineTransform();
af.scale(1, -1);
af.translate(-this.bbox.getMinX(), -this.bbox.getMaxY());
BasicStroke stroke;
if (borderStyle.isStyleDashed()) {
stroke =
new BasicStroke(
borderStyle.getStrokeWidth(),
BasicStroke.CAP_BUTT,
BasicStroke.JOIN_MITER,
borderStyle.getStrokeWidth() * 2.0f,
borderStyle.getDashArray(),
0.0f);
} else {
stroke = new BasicStroke(borderStyle.getStrokeWidth());
}
Ellipse2D.Double circle =
new Ellipse2D.Double(
rectangleToDraw.getMinX(),
rectangleToDraw.getMinY(),
rectangleToDraw.getWidth(),
rectangleToDraw.getHeight());
shapes.add(new TransformDrawCmd(af));
shapes.add(new StrokeDrawCmd(stroke));
shapes.add(new ShapeDrawCmd(circle));
if (isFillColor) {
shapes.add(new ColorDrawCmd(fillColor));
shapes.add(new FillDrawCmd());
}
if (borderStyle.getStrokeWidth() > 0) {
shapes.add(new ColorDrawCmd(color));
shapes.add(new DrawDrawCmd());
}
// update the appearance stream
// create/update the appearance stream of the xObject.
StateManager stateManager = library.getStateManager();
Form form;
if (hasAppearanceStream()) {
form = (Form) getAppearanceStream();
// else a stream, we won't support this for annotations.
} else {
// create a new xobject/form object
HashMap formEntries = new HashMap();
formEntries.put(Form.TYPE_KEY, Form.TYPE_VALUE);
formEntries.put(Form.SUBTYPE_KEY, Form.SUB_TYPE_VALUE);
form = new Form(library, formEntries, null);
form.setPObjectReference(stateManager.getNewReferencNumber());
library.addObject(form, form.getPObjectReference());
}
if (form != null) {
Rectangle2D formBbox =
new Rectangle2D.Float(0, 0, (float) bbox.getWidth(), (float) bbox.getHeight());
form.setAppearance(shapes, matrix, formBbox);
stateManager.addChange(new PObject(form, form.getPObjectReference()));
// update the AP's stream bytes so contents can be written out
form.setRawBytes(PostScriptEncoder.generatePostScript(shapes.getShapes()));
HashMap appearanceRefs = new HashMap();
appearanceRefs.put(APPEARANCE_STREAM_NORMAL_KEY, form.getPObjectReference());
entries.put(APPEARANCE_STREAM_KEY, appearanceRefs);
// compress the form object stream.
if (compressAppearanceStream) {
form.getEntries().put(Stream.FILTER_KEY, new Name("FlateDecode"));
} else {
form.getEntries().remove(Stream.FILTER_KEY);
}
}
}