/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ // vim:cindent:ts=8:et:sw=4: /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
namespace mozilla { class PresShell;
} // namespace mozilla
/* * A list-based class (hopefully tree-based when I get around to it) * for representing a set of ranges on a number-line.
*/ class nsIntervalSet { public: typedef nscoord coord_type;
/* * Include the interval [aBegin, aEnd] in the set. * * Removal of intervals added is not supported because that would * require keeping track of the individual intervals that were * added (nsIntervalMap should do that). It would be simple to * implement ExcludeInterval if anyone wants it, though.
*/ void IncludeInterval(coord_type aBegin, coord_type aEnd);
/* * Are _some_ points in [aBegin, aEnd] contained within the set * of intervals?
*/ bool Intersects(coord_type aBegin, coord_type aEnd) const;
/* * Are _all_ points in [aBegin, aEnd] contained within the set * of intervals?
*/ bool Contains(coord_type aBegin, coord_type aEnd) const;
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