@Override
public void getBoundingBox(final RectangularShape bbox) {
ensureLayout();
boolean change = false;
RenderpassPainter.getBoundingBox(bbox, nlFront);
final Rectangle2D rect = new Rectangle2D.Double();
RenderpassPainter.getBoundingBox(rect, nlBack);
RenderpassPainter.addToRect(bbox, rect);
if (layout != null) {
change = layout.addBoundingBox(bbox, members);
} else {
for (final RenderpassPosition<T> p : members) {
if (!p.pass.isVisible()) {
continue;
}
if (p.checkBBoxChange()) {
change = true;
}
RenderpassPainter.addToRect(bbox, p.getPassBBox());
}
}
if (change) {
invalidate();
}
}
@Override
public void processMessage(final String[] ids, final String msg) {
super.processMessage(ids, msg);
RenderpassPainter.processMessage(nlBack, ids, msg);
RenderpassPainter.processMessage(nlFront, ids, msg);
for (final RenderpassPosition<T> p : members) {
p.pass.processMessage(ids, msg);
}
}
@Override
public boolean moveMouse(final Point2D cur) {
boolean moved = RenderpassPainter.moveMouse(nlFront, cur);
for (final RenderpassPosition<T> p : reverseArray(members())) {
final Renderpass r = p.pass;
if (!r.isVisible()) {
continue;
}
final Point2D pos = RenderpassPainter.getPositionFromCanvas(r, cur);
if (r.moveMouse(pos)) {
moved = true;
}
}
return RenderpassPainter.moveMouse(nlBack, cur) || moved;
}
@Override
public final void drag(
final Point2D _start, final Point2D cur, final double dx, final double dy) {
if (dragging == null) return;
// dx and dy do not change
final Point2D pos = RenderpassPainter.getPositionFromCanvas(dragging, cur);
dragging.drag(start, pos, dx, dy);
}
@Override
public boolean click(final Camera cam, final Point2D position, final MouseEvent e) {
if (RenderpassPainter.click(nlFront, cam, position, e)) return true;
final Rectangle2D bbox = new Rectangle2D.Double();
for (final RenderpassPosition<T> p : reverseArray(members())) {
final Renderpass r = p.pass;
if (!r.isVisible()) {
continue;
}
r.getBoundingBox(bbox);
final Point2D pos = RenderpassPainter.getPositionFromCanvas(r, position);
if (!bbox.contains(pos)) {
continue;
}
if (r.click(cam, pos, e)) return true;
}
return RenderpassPainter.click(nlBack, cam, position, e);
}
/**
* Checks whether the given render pass accepts the drag. When the render pass accepts the drag
* everything is set up properly.
*
* @param r The render pass to check.
* @param position The position in canvas coordinates.
* @param e The mouse event.
* @return Whether the drag was accepted.
* @see #acceptDrag(Point2D, MouseEvent)
*/
private boolean acceptDrag(final Renderpass r, final Point2D position, final MouseEvent e) {
if (!r.isVisible()) return false;
final Rectangle2D bbox = new Rectangle2D.Double();
r.getBoundingBox(bbox);
final Point2D pos = RenderpassPainter.getPositionFromCanvas(r, position);
if (!bbox.contains(pos)) return false;
if (!r.acceptDrag(pos, e)) return false;
start = pos;
dragging = r;
return true;
}
@Override
public String getTooltip(final Point2D position) {
final String tt = RenderpassPainter.getTooltip(nlFront, position);
if (tt != null) return tt;
final Rectangle2D bbox = new Rectangle2D.Double();
for (final RenderpassPosition<T> p : reverseArray(members())) {
final Renderpass r = p.pass;
if (!r.isVisible()) {
continue;
}
r.getBoundingBox(bbox);
final Point2D pos = RenderpassPainter.getPositionFromCanvas(r, position);
if (!bbox.contains(pos)) {
continue;
}
final String tooltip = r.getTooltip(pos);
if (tooltip != null) return tooltip;
}
return RenderpassPainter.getTooltip(nlBack, position);
}
/**
* Picks a layouted render pass.
*
* @param position The position.
* @return The render pass at the given position or <code>null</code> if there is none.
*/
protected Renderpass pickLayouted(final Point2D position) {
final Rectangle2D bbox = new Rectangle2D.Double();
for (final RenderpassPosition<T> p : reverseArray(members())) {
final Renderpass r = p.pass;
if (!r.isVisible()) {
continue;
}
r.getBoundingBox(bbox);
final Point2D pos = RenderpassPainter.getPositionFromCanvas(r, position);
if (!bbox.contains(pos)) {
continue;
}
return r;
}
return null;
}
@Override
public void draw(final Graphics2D gfx, final KanvasContext ctx) {
ensureLayout();
if (layout != null) {
final Graphics2D g = (Graphics2D) gfx.create();
final Rectangle2D bbox = new Rectangle2D.Double();
getBoundingBox(bbox);
layout.drawBackground(g, ctx, bbox, members);
g.dispose();
}
gfx.setColor(java.awt.Color.GREEN);
RenderpassPainter.draw(nlBack, gfx, ctx);
final Rectangle2D view = ctx.getVisibleCanvas();
boolean changed = false;
T last = null;
for (final RenderpassPosition<T> p : members) {
final T r = p.pass;
if (!r.isVisible()) {
continue;
}
if (p.checkBBoxChange()) {
changed = true;
}
final Rectangle2D bbox = p.getPassBBox();
if (!view.intersects(bbox)) {
continue;
}
final Graphics2D g = (Graphics2D) gfx.create();
g.clip(bbox);
final double dx = r.getOffsetX();
final double dy = r.getOffsetY();
g.translate(dx, dy);
final KanvasContext c = RenderpassPainter.getContextFor(r, ctx);
r.draw(g, c);
g.dispose();
drawBetween(gfx, ctx, last, r);
last = r;
}
drawBetween(gfx, ctx, last, null);
if (jkanvas.Canvas.DEBUG_BBOX) {
final Graphics2D g = (Graphics2D) gfx.create();
PaintUtil.setAlpha(g, 0.3);
g.setColor(java.awt.Color.BLUE);
for (final RenderpassPosition<T> rp : members) {
final Renderpass r = rp.pass;
if (!r.isVisible()) {
continue;
}
if (rp.checkBBoxChange()) {
changed = true;
}
final Rectangle2D bbox = rp.getPassBBox();
if (!view.intersects(bbox)) {
continue;
}
g.fill(bbox);
}
}
gfx.setColor(java.awt.Color.GREEN);
RenderpassPainter.draw(nlFront, gfx, ctx);
if (changed) {
invalidate();
}
}
/**
* Checks whether the bounding box has changed since the last call and sets the current bounding
* box.
*
* @return Whether the bounding box has changed.
*/
public boolean checkBBoxChange() {
final double oldWidth = bbox.getWidth();
final double oldHeight = bbox.getHeight();
RenderpassPainter.getPassBoundingBox(bbox, pass);
return bbox.getWidth() != oldWidth || bbox.getHeight() != oldHeight;
}