public Rectangle getRectangle(final IModelSpaceCanvas canvas) {
Rectangle rect = _image.getBounds();
int w = rect.x;
int h = rect.y;
int numPoints = getPointCount();
if (numPoints == 1) {
ImageAnchor anchor = getAnchorType();
Point2D.Double m = new Point2D.Double(getPoint(0).getX(), getPoint(0).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
if (anchor.equals(ImageAnchor.Center)) {
rect = new Rectangle((int) (p.x - w / 2), (int) (p.y - h / 2), w, h);
} else if (anchor.equals(ImageAnchor.UpperLeft)) {
rect = new Rectangle((int) p.x, (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.UpperRight)) {
rect = new Rectangle((int) (p.x - w), (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.LowerLeft)) {
rect = new Rectangle((int) p.x, (int) (p.y - h), w, h);
} else if (anchor.equals(ImageAnchor.LowerRight)) {
rect = new Rectangle((int) (p.x - w), (int) (p.y - h), w, h);
} else {
throw new RuntimeException("Invalid image anchor: " + anchor);
}
} else if (numPoints >= 2) {
int xmin = Integer.MAX_VALUE;
int xmax = -Integer.MAX_VALUE;
int ymin = Integer.MAX_VALUE;
int ymax = -Integer.MAX_VALUE;
for (int i = 0; i < numPoints; i++) {
Point2D.Double m = new Point2D.Double(getPoint(i).getX(), getPoint(i).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
xmin = Math.min(xmin, (int) p.getX());
xmax = Math.max(xmax, (int) p.getX());
ymin = Math.min(ymin, (int) p.getY());
ymax = Math.max(ymax, (int) p.getY());
}
w = xmax - xmin + 1;
h = ymax - ymin + 1;
rect = new Rectangle(xmin, ymin, w, h);
} else {
throw new RuntimeException("Invalid image definition.");
}
return rect;
}
