diff options
Diffstat (limited to 'libs/canvas/item.cc')
| -rw-r--r-- | libs/canvas/item.cc | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libs/canvas/item.cc b/libs/canvas/item.cc index 569d03f81f..dca3064bce 100644 --- a/libs/canvas/item.cc +++ b/libs/canvas/item.cc @@ -127,6 +127,20 @@ Item::canvas_to_item (ArdourCanvas::Duple const & d) const return d.translate (offset); } +ArdourCanvas::Rect +Item::canvas_to_item (ArdourCanvas::Rect const & d) const +{ + Item const * i = this; + Duple offset; + + while (i) { + offset = offset.translate (-(i->position())); + i = i->parent(); + } + + return d.translate (offset); +} + void Item::item_to_canvas (Coord& x, Coord& y) const { @@ -145,6 +159,24 @@ Item::canvas_to_item (Coord& x, Coord& y) const y = d.y; } +Duple +Item::item_to_window (ArdourCanvas::Duple const & d) const +{ + return _canvas->canvas_to_window (item_to_canvas (d)); +} + +Duple +Item::window_to_item (ArdourCanvas::Duple const & d) const +{ + return _canvas->window_to_canvas (canvas_to_item (d)); +} + +Rect +Item::item_to_window (ArdourCanvas::Rect const & r) const +{ + return _canvas->canvas_to_window (item_to_canvas (r)); +} + /** Set the position of this item in the parent's coordinates */ void Item::set_position (Duple p) |