/** @param mouseLoc the mouse location, relative to the panel (pre-transform) */ private Selection getSelection(ShapeCreationPanel scp, Point2D mouseLoc) { AffineTransform tx = scp.getTransform(); CubicPath[] paths = getCubicPaths(scp); Integer shapeIntersection = null; int r = scp.getHandleSize() / 2; Active active = scp.getHandlesActive(); for (int shapeIndex = paths.length - 1; shapeIndex >= 0; shapeIndex--) { if (active.supports(scp, shapeIndex)) { CubicPath path = paths[shapeIndex]; for (int nodeIndex = 0; nodeIndex < path.getNodeCount(); nodeIndex++) { Point2D p2 = path.getPrevControlForNode(nodeIndex, null); if (p2 != null) { tx.transform(p2, p2); if (hit(scp, mouseLoc, p2)) { return new Selection(shapeIndex, nodeIndex, Handle.PREVIOUS_CONTROL); } } p2 = path.getNode(nodeIndex, null); if (p2 != null) { tx.transform(p2, p2); if (hit(scp, mouseLoc, p2)) { return new Selection(shapeIndex, nodeIndex, Handle.PRIMARY); } } p2 = path.getNextControlForNode(nodeIndex, null); if (p2 != null) { tx.transform(p2, p2); if (hit(scp, mouseLoc, p2)) { return new Selection(shapeIndex, nodeIndex, Handle.NEXT_CONTROL); } } } if (shapeIntersection == null) { Shape outline = new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_ROUND) .createStrokedShape(path); if (outline.intersects(mouseLoc.getX() - r, mouseLoc.getY() - r, 2 * r, 2 * r)) { shapeIntersection = shapeIndex; } } } } return getSelectedShape(scp, mouseLoc); }
@Override protected void paintControls(Graphics2D g, ShapeCreationPanel scp) { g = (Graphics2D) g.create(); Rectangle2D r = new Rectangle2D.Float(); Ellipse2D e = new Ellipse2D.Float(); Line2D line = new Line2D.Float(); double z = ((double) scp.getHandleSize()) / 2.0; AffineTransform tx = scp.getTransform(); try { g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g.setColor(Color.black); g.setStroke(new BasicStroke(1)); CubicPath[] paths = getCubicPaths(scp); Selection selection = scp.getSelectionModel().getSelection(); Selection indication = scp.getSelectionModel().getIndication(); for (int shapeIndex = 0; shapeIndex < paths.length; shapeIndex++) { if (scp.getHandlesActive().supports(scp, shapeIndex)) { CubicPath path = paths[shapeIndex]; if (path != null && path.isEmpty() == false) { for (int nodeIndex = 0; nodeIndex < path.getNodeCount(); nodeIndex++) { Point2D nodePoint = path.getNode(nodeIndex, null); nodePoint = tx.transform(nodePoint, null); Point2D p = path.getPrevControlForNode(nodeIndex, null); if (p != null) { p = tx.transform(p, null); g.setColor(Color.lightGray); line.setLine(nodePoint, p); g.draw(line); e.setFrame(p.getX() - z, p.getY() - z, 2 * z, 2 * z); if (selection.getShapeIndex() == shapeIndex && selection.getNodeIndex() == nodeIndex && Handle.PREVIOUS_CONTROL.equals(selection.getHandle())) { g.setColor(Color.black); } else if (indication.getShapeIndex() == shapeIndex && indication.getNodeIndex() == nodeIndex && Handle.PREVIOUS_CONTROL.equals(indication.getHandle())) { g.setColor(Color.gray); } else { g.setColor(Color.white); } g.fill(e); g.setColor(Color.black); g.draw(e); } p = path.getNextControlForNode(nodeIndex, null); if (p != null) { p = tx.transform(p, null); g.setColor(Color.lightGray); line.setLine(nodePoint, p); g.draw(line); e.setFrame(p.getX() - z, p.getY() - z, 2 * z, 2 * z); if (selection.getShapeIndex() == shapeIndex && selection.getNodeIndex() == nodeIndex && Handle.NEXT_CONTROL.equals(selection.getHandle())) { g.setColor(Color.black); } else if (indication.getShapeIndex() == shapeIndex && indication.getNodeIndex() == nodeIndex && Handle.NEXT_CONTROL.equals(indication.getHandle())) { } else { g.setColor(Color.white); } g.fill(e); g.setColor(Color.black); g.draw(e); } r.setFrame(nodePoint.getX() - z, nodePoint.getY() - z, 2 * z, 2 * z); if (selection.getShapeIndex() == shapeIndex && selection.getNodeIndex() == nodeIndex && Handle.PRIMARY.equals(selection.getHandle())) { g.setColor(Color.black); } else if (indication.getShapeIndex() == shapeIndex && indication.getNodeIndex() == nodeIndex && Handle.PRIMARY.equals(indication.getHandle())) { g.setColor(Color.gray); } else { g.setColor(Color.white); } g.fill(r); g.setColor(Color.black); g.draw(r); } } } } } finally { g.dispose(); } }