зеркало из https://github.com/mozilla/gecko-dev.git
66 строки
2.4 KiB
C
66 строки
2.4 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 Netscape 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/NPL/
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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 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef NSSIZE_H
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#define NSSIZE_H
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#include "nsCoord.h"
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// Maximum allowable size
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#define NS_MAXSIZE nscoord(1 << 30)
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struct nsSize {
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nscoord width, height;
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// Constructors
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nsSize() {}
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nsSize(const nsSize& aSize) {width = aSize.width; height = aSize.height;}
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nsSize(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
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void SizeTo(nscoord aWidth, nscoord aHeight) {width = aWidth; height = aHeight;}
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void SizeBy(nscoord aDeltaWidth, nscoord aDeltaHeight) {width += aDeltaWidth;
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height += aDeltaHeight;}
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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 nsSize& aSize) const {
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return (PRBool) ((width == aSize.width) && (height == aSize.height));
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}
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PRBool operator!=(const nsSize& aSize) const {
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return (PRBool) ((width != aSize.width) || (height != aSize.height));
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}
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nsSize operator+(const nsSize& aSize) const {
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return nsSize(width + aSize.width, height + aSize.height);
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}
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nsSize operator-(const nsSize& aSize) const {
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return nsSize(width - aSize.width, height - aSize.height);
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}
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nsSize& operator+=(const nsSize& aSize) {width += aSize.width;
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height += aSize.height;
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return *this;}
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nsSize& operator-=(const nsSize& aSize) {width -= aSize.width;
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height -= aSize.height;
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return *this;}
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};
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#endif /* NSSIZE_H */
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