/** * Gets the mark for the specified panel. * * @param trackerPanel the tracker panel * @return the mark */ protected Mark getMark(TrackerPanel trackerPanel) { Mark mark = marks.get(trackerPanel); TPoint selection = null; if (mark == null) { selection = trackerPanel.getSelectedPoint(); Point p = null; valid = true; // assume true for (int n = 0; n < points.length; n++) { if (!valid) continue; // determine if point is valid (ie not NaN) valid = valid && !Double.isNaN(points[n].getX()) && !Double.isNaN(points[n].getY()); screenPoints[n] = points[n].getScreenPosition(trackerPanel); if (valid && selection == points[n]) p = screenPoints[n]; } mark = footprint.getMark(screenPoints); if (p != null) { // point is selected, so draw selection shape transform.setToTranslation(p.x, p.y); int scale = FontSizer.getIntegerFactor(); if (scale > 1) { transform.scale(scale, scale); } final Color color = footprint.getColor(); final Mark stepMark = mark; final Shape selectedShape = transform.createTransformedShape(selectionShape); mark = new Mark() { public void draw(Graphics2D g, boolean highlighted) { stepMark.draw(g, false); Paint gpaint = g.getPaint(); g.setPaint(color); g.fill(selectedShape); g.setPaint(gpaint); } public Rectangle getBounds(boolean highlighted) { Rectangle bounds = selectedShape.getBounds(); bounds.add(stepMark.getBounds(false)); return bounds; } }; } final Mark theMark = mark; mark = new Mark() { public void draw(Graphics2D g, boolean highlighted) { if (!valid) return; theMark.draw(g, false); } public Rectangle getBounds(boolean highlighted) { return theMark.getBounds(highlighted); } }; marks.put(trackerPanel, mark); } return mark; }
/* Draws the ball at its current position */ public void draw(Graphics2D g) { double imageWidth = img.getWidth(parent); double imageHeight = img.getHeight(parent); // translate image such that its centred on its actual position objectTransform.setToTranslation( (double) pos_x - imageWidth / 2, (double) pos_y - imageHeight / 2); // // this rotates the planet! // objectTransform.rotate(Math.PI/800,50.0,51.0); g.setTransform(new AffineTransform()); g.drawImage(img, objectTransform, parent); }