зеркало из https://github.com/mozilla/gecko-dev.git
86 строки
2.9 KiB
C
86 строки
2.9 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998-2000 Netscape Communications Corporation.
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* All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@netscape.com>
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*/
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#ifndef NSMARGIN2_H
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#define NSMARGIN2_H
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#include "gfxtypes.h"
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struct nsMargin2 {
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gfx_coord left, top, right, bottom;
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// Constructors
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nsMargin2() {}
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nsMargin2(const nsMargin2& aMargin) {*this = aMargin;}
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nsMargin2(gfx_coord aLeft, gfx_coord aTop, gfx_coord aRight, gfx_coord aBottom) {
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left = aLeft; top = aTop;
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right = aRight; bottom = aBottom;
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}
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void SizeTo(gfx_coord aLeft, gfx_coord aTop,
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gfx_coord aRight, gfx_coord aBottom) {
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left = aLeft; top = aTop;
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right = aRight; bottom = aBottom;
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}
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void SizeBy(gfx_coord aLeft, gfx_coord aTop,
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gfx_coord aRight, gfx_coord aBottom) {
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left += aLeft; top += aTop;
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right += aRight; bottom += aBottom;
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}
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// Overloaded operators. Note that '=' isn't defined so we'll get the
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// compiler generated default assignment operator
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PRBool operator==(const nsMargin2& aMargin) const {
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return (PRBool) ((left == aMargin.left) && (top == aMargin.top) &&
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(right == aMargin.right) && (bottom == aMargin.bottom));
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}
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PRBool operator!=(const nsMargin2& aMargin) const {
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return (PRBool) ((left != aMargin.left) || (top != aMargin.top) ||
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(right != aMargin.right) || (bottom != aMargin.bottom));
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}
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nsMargin2 operator+(const nsMargin2& aMargin) const {
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return nsMargin2(left + aMargin.left, top + aMargin.top,
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right + aMargin.right, bottom + aMargin.bottom);
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}
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nsMargin2 operator-(const nsMargin2& aMargin) const {
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return nsMargin2(left - aMargin.left, top - aMargin.top,
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right - aMargin.right, bottom - aMargin.bottom);
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}
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nsMargin2& operator+=(const nsMargin2& aMargin) {
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left += aMargin.left;
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top += aMargin.top;
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right += aMargin.right;
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bottom += aMargin.bottom;
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return *this;
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}
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nsMargin2& operator-=(const nsMargin2& aMargin) {
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left -= aMargin.left;
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top -= aMargin.top;
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right -= aMargin.right;
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bottom -= aMargin.bottom;
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return *this;
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}
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};
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#endif /* NSMARGIN2_H */
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