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72 lines
3.1 KiB
C
72 lines
3.1 KiB
C
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/* -*- 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 Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef NSMARGIN_H
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#define NSMARGIN_H
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#include "nsCoord.h"
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struct nsMargin {
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nscoord left, top, right, bottom;
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// Constructors
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nsMargin() {}
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nsMargin(const nsMargin& aMargin) {*this = aMargin;}
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nsMargin(nscoord aLeft, nscoord aTop,
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nscoord aRight, nscoord aBottom) {left = aLeft; top = aTop;
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right = aRight; bottom = aBottom;}
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void SizeTo(nscoord aLeft, nscoord aTop,
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nscoord aRight, nscoord aBottom) {left = aLeft; top = aTop;
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right = aRight; bottom = aBottom;}
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void SizeBy(nscoord aLeft, nscoord aTop,
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nscoord aRight, nscoord aBottom) {left += aLeft; top += aTop;
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right += aRight; bottom += aBottom;}
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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 nsMargin& 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 nsMargin& 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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nsMargin operator+(const nsMargin& aMargin) const {
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return nsMargin(left + aMargin.left, top + aMargin.top,
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right + aMargin.right, bottom + aMargin.bottom);
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}
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nsMargin operator-(const nsMargin& aMargin) const {
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return nsMargin(left - aMargin.left, top - aMargin.top,
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right - aMargin.right, bottom - aMargin.bottom);
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}
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nsMargin& operator+=(const nsMargin& aMargin) {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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nsMargin& operator-=(const nsMargin& aMargin) {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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#endif /* NSMARGIN_H */
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