expand bounding box of all objects by 0.5 before computing intersection for render cycle; alter debug output
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c21ed2b877
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@ -83,6 +83,13 @@ Canvas::render (Rect const & area, Cairo::RefPtr<Cairo::Context> const & context
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_root.render (*draw, context);
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}
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#if 0
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/* debug render area */
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Rect r = _root.item_to_window (area);
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context->rectangle (r.x0, r.y0, r.x1 - r.x0, r.y1 - r.y0);
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context->set_source_rgba (1.0, 0.0, 0.0, 1.0);
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context->stroke ();
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#endif
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}
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ostream&
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@ -205,11 +212,11 @@ Canvas::item_moved (Item* item, boost::optional<Rect> pre_change_parent_bounding
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* to be in parent coordinate space since the bounding box of
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* an item does not change when moved. If we use
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* item->item_to_canvas() on the old bounding box, we will be
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* using the item's new position, and so will compute the wrong
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* invalidation area. If we use the parent (which has not
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* moved, then this will work.
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*/
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queue_draw_item_area (item->parent(), pre_change_parent_bounding_box.get ());
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}
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@ -341,27 +348,27 @@ GtkCanvas::enter_leave_items (Duple const & point, int state)
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* we have entered it
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*/
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cerr << "E/L: " << items.size() << " to check at " << point << endl;
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//cerr << "E/L: " << items.size() << " to check at " << point << endl;
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#ifdef CANVAS_DEBUG
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for (vector<Item const*>::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i) {
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cerr << '\t' << (*i)->whatami() << ' ' << (*i)->name << " ignore ? " << (*i)->ignore_events() << " current ? " << (_current_item == (*i)) << endl;
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//cerr << '\t' << (*i)->whatami() << ' ' << (*i)->name << " ignore ? " << (*i)->ignore_events() << " current ? " << (_current_item == (*i)) << endl;
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}
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#endif
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cerr << "------------\n";
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//cerr << "------------\n";
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for (vector<Item const*>::const_reverse_iterator i = items.rbegin(); i != items.rend(); ++i) {
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Item const * new_item = *i;
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#ifdef CANVAS_DEBUG
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cerr << "\tE/L check out " << new_item->whatami() << ' ' << new_item->name << " ignore ? " << new_item->ignore_events() << " current ? " << (_current_item == new_item) << endl;
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//cerr << "\tE/L check out " << new_item->whatami() << ' ' << new_item->name << " ignore ? " << new_item->ignore_events() << " current ? " << (_current_item == new_item) << endl;
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#endif
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if (new_item->ignore_events()) {
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cerr << "continue1\n";
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//cerr << "continue1\n";
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continue;
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}
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if (_current_item == new_item) {
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cerr << "continue2\n";
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//cerr << "continue2\n";
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continue;
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}
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@ -379,7 +386,7 @@ GtkCanvas::enter_leave_items (Duple const & point, int state)
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break;
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}
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cerr << "Loop around again\n";
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//cerr << "Loop around again\n";
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}
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}
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@ -88,7 +88,7 @@ Group::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
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if (!(*i)->visible ()) {
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#ifdef CANVAS_DEBUG
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if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) {
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// cerr << _canvas->render_indent() << "Item " << (*i)->whatami() << " [" << (*i)->name << "] invisible - skipped\n";
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cerr << _canvas->render_indent() << "Item " << (*i)->whatami() << " [" << (*i)->name << "] invisible - skipped\n";
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}
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#endif
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continue;
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@ -104,15 +104,24 @@ Group::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
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#endif
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continue;
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}
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Rect item = (*i)->item_to_window (item_bbox.get());
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item.expand (0.5);
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boost::optional<Rect> draw = item.intersection (area);
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if (draw) {
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#ifdef CANVAS_DEBUG
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if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) {
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cerr << string_compose ("%1render %2 %3 item = %4 intersect = %5\n", _canvas->render_indent(), (*i)->whatami(),
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(*i)->name, item, draw.get());
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cerr << _canvas->render_indent() << " render "
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<< ' '
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<< (*i)->whatami()
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<< ' '
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<< (*i)->name
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<< " item = "
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<< item
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<< " intersect = "
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<< draw.get()
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<< endl;
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}
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#endif
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