diff options
Diffstat (limited to 'libs/canvas/group.cc')
| -rw-r--r-- | libs/canvas/group.cc | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/libs/canvas/group.cc b/libs/canvas/group.cc index 7d0d61308f..a6ddec52bc 100644 --- a/libs/canvas/group.cc +++ b/libs/canvas/group.cc @@ -1,6 +1,8 @@ #include <iostream> #include <cairomm/context.h> + #include "pbd/stacktrace.h" +#include "pbd/compose.h" #include "pbd/xml++.h" #include "canvas/group.h" @@ -55,15 +57,34 @@ Group::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const ensure_lut (); vector<Item*> items = _lut->get (area); + ++render_depth; + +#ifdef CANVAS_DEBUG + if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) { + cerr << string_compose ("%1GROUP %2 render %3 items out of %4\n", + _canvas->render_indent(), (name.empty() ? string ("[unnamed]") : name), items.size(), _items.size()); + } +#endif + for (vector<Item*>::const_iterator i = items.begin(); i != items.end(); ++i) { if (!(*i)->visible ()) { +#ifdef CANVAS_DEBUG + if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) { + cerr << _canvas->render_indent() << "Item " << (*i)->whatami() << ' ' << (*i)->name << " invisible - skipped\n"; + } +#endif continue; } boost::optional<Rect> item_bbox = (*i)->bounding_box (); if (!item_bbox) { +#ifdef CANVAS_DEBUG + if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) { + cerr << _canvas->render_indent() << "Item " << (*i)->whatami() << ' ' << (*i)->name << " empty - skipped\n"; + } +#endif continue; } @@ -77,11 +98,26 @@ Group::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const /* render the intersection */ context->save (); context->translate ((*i)->position().x, (*i)->position().y); +#ifdef CANVAS_DEBUG + if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) { + cerr << string_compose ("%1render %2 %3\n", _canvas->render_indent(), (*i)->whatami(), + (*i)->name); + } +#endif (*i)->render (r.get(), context); - context->restore (); ++render_count; + context->restore (); + } else { +#ifdef CANVAS_DEBUG + if (DEBUG_ENABLED(PBD::DEBUG::CanvasRender)) { + cerr << string_compose ("%1skip render of %2 %3, no intersection\n", _canvas->render_indent(), (*i)->whatami(), + (*i)->name); + } +#endif } } + + --render_depth; } void |