gecko-dev/layout/generic/nsHTMLReflowMetrics.cpp

89 строки
3.1 KiB
C++

/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is nsHTMLReflowMetrics.cpp.
*
* The Initial Developer of the Original Code is the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@dbaron.org>, Mozilla Corporation (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* decision by deleting the provisions above and replace them with the notice
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* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* struct containing the output from nsIFrame::Reflow */
#include "nsHTMLReflowMetrics.h"
void
nsOverflowAreas::UnionWith(const nsOverflowAreas& aOther)
{
// FIXME: We should probably change scrollable overflow to use
// UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
mRects[otype].UnionRect(mRects[otype], aOther.mRects[otype]);
}
}
void
nsOverflowAreas::UnionAllWith(const nsRect& aRect)
{
// FIXME: We should probably change scrollable overflow to use
// UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
mRects[otype].UnionRect(mRects[otype], aRect);
}
}
void
nsOverflowAreas::SetAllTo(const nsRect& aRect)
{
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
mRects[otype] = aRect;
}
}
void
nsHTMLReflowMetrics::SetOverflowAreasToDesiredBounds()
{
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
mOverflowAreas.Overflow(otype).SetRect(0, 0, width, height);
}
}
void
nsHTMLReflowMetrics::UnionOverflowAreasWithDesiredBounds()
{
// FIXME: We should probably change scrollable overflow to use
// UnionRectIncludeEmpty (but leave visual overflow using UnionRect).
nsRect rect(0, 0, width, height);
NS_FOR_FRAME_OVERFLOW_TYPES(otype) {
nsRect& o = mOverflowAreas.Overflow(otype);
o.UnionRect(o, rect);
}
}