Tim Mayberry
c4e31fc322
Called when an item has requested a redraw and intersects with visible canvas area. Also add Canvas::prepare_for_render that will call Item::prepare_for_render for items visible on the canvas.
60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/*
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Copyright (C) 2011-2014 Paul Davis
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Author: Carl Hetherington <cth@carlh.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "canvas/container.h"
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using namespace ArdourCanvas;
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Container::Container (Canvas* canvas)
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: Item (canvas)
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{
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}
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Container::Container (Item* parent)
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: Item (parent)
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{
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}
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Container::Container (Item* parent, Duple const & p)
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: Item (parent, p)
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{
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}
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void
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Container::prepare_for_render (Rect const & area) const
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{
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Item::prepare_for_render_children (area);
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}
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void
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Container::render (Rect const & area, Cairo::RefPtr<Cairo::Context> context) const
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{
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Item::render_children (area, context);
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}
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void
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Container::compute_bounding_box () const
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{
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_bounding_box = Rect ();
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add_child_bounding_boxes ();
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_bounding_box_dirty = false;
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}
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