зеркало из https://github.com/mozilla/pjs.git
132 строки
4.3 KiB
C
132 строки
4.3 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef NSPOINT_H
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#define NSPOINT_H
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#include "nsCoord.h"
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struct nsIntPoint;
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struct nsPoint {
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nscoord x, y;
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// Constructors
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nsPoint() {}
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nsPoint(const nsPoint& aPoint) { x = aPoint.x; y = aPoint.y;}
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nsPoint(nscoord aX, nscoord aY) { VERIFY_COORD(aX); VERIFY_COORD(aY); x = aX; y = aY;}
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void MoveTo(nscoord aX, nscoord aY) {x = aX; y = aY;}
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void MoveBy(nscoord aDx, nscoord aDy) {x += aDx; y += aDy;}
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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 nsPoint& aPoint) const {
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return (PRBool) ((x == aPoint.x) && (y == aPoint.y));
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}
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PRBool operator!=(const nsPoint& aPoint) const {
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return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
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}
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nsPoint operator+(const nsPoint& aPoint) const {
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return nsPoint(x + aPoint.x, y + aPoint.y);
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}
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nsPoint operator-(const nsPoint& aPoint) const {
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return nsPoint(x - aPoint.x, y - aPoint.y);
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}
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nsPoint& operator+=(const nsPoint& aPoint) {
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x += aPoint.x;
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y += aPoint.y;
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return *this;
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}
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nsPoint& operator-=(const nsPoint& aPoint) {
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x -= aPoint.x;
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y -= aPoint.y;
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return *this;
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}
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nsPoint operator-() const {
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return nsPoint(-x, -y);
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}
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inline nsIntPoint ToNearestPixels(nscoord aAppUnitsPerPixel) const;
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};
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struct nsIntPoint {
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PRInt32 x, y;
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// Constructors
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nsIntPoint() {}
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nsIntPoint(const nsIntPoint& aPoint) { x = aPoint.x; y = aPoint.y;}
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nsIntPoint(PRInt32 aX, PRInt32 aY) { x = aX; y = aY;}
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PRBool operator==(const nsIntPoint& aPoint) const {
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return (PRBool) ((x == aPoint.x) && (y == aPoint.y));
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}
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PRBool operator!=(const nsIntPoint& aPoint) const {
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return (PRBool) ((x != aPoint.x) || (y != aPoint.y));
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}
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nsIntPoint operator+(const nsIntPoint& aPoint) const {
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return nsIntPoint(x + aPoint.x, y + aPoint.y);
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}
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nsIntPoint operator-(const nsIntPoint& aPoint) const {
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return nsIntPoint(x - aPoint.x, y - aPoint.y);
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}
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nsIntPoint& operator+=(const nsIntPoint& aPoint) {
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x += aPoint.x;
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y += aPoint.y;
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return *this;
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}
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nsIntPoint& operator-=(const nsIntPoint& aPoint) {
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x -= aPoint.x;
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y -= aPoint.y;
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return *this;
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}
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nsIntPoint operator-() const {
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return nsIntPoint(-x, -y);
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}
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void MoveTo(PRInt32 aX, PRInt32 aY) {x = aX; y = aY;}
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};
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inline nsIntPoint
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nsPoint::ToNearestPixels(nscoord aAppUnitsPerPixel) const {
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return nsIntPoint(
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NSToIntRound(NSAppUnitsToFloatPixels(x, float(aAppUnitsPerPixel))),
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NSToIntRound(NSAppUnitsToFloatPixels(y, float(aAppUnitsPerPixel))));
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}
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#endif /* NSPOINT_H */
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