зеркало из https://github.com/mozilla/pjs.git
174 строки
5.9 KiB
C
174 строки
5.9 KiB
C
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is Oracle Corporation.
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Stuart Parmenter <pavlov@pavlov.net>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 GFX_POINT_H
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#define GFX_POINT_H
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#include "nsMathUtils.h"
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#include "gfxTypes.h"
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/*
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* gfxSize and gfxIntSize -- please keep their member functions in sync.
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* also note: gfxIntSize may be replaced by nsIntSize at some point...
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*/
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struct THEBES_API gfxIntSize {
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PRInt32 width, height;
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gfxIntSize() {}
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gfxIntSize(PRInt32 _width, PRInt32 _height) : width(_width), height(_height) {}
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void SizeTo(PRInt32 _width, PRInt32 _height) {width = _width; height = _height;}
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int operator==(const gfxIntSize& s) const {
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return ((width == s.width) && (height == s.height));
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}
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int operator!=(const gfxIntSize& s) const {
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return ((width != s.width) || (height != s.height));
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}
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bool operator<(const gfxIntSize& s) const {
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return (operator<=(s) &&
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(width < s.width || height < s.height));
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}
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bool operator<=(const gfxIntSize& s) const {
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return (width <= s.width) && (height <= s.height);
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}
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gfxIntSize operator+(const gfxIntSize& s) const {
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return gfxIntSize(width + s.width, height + s.height);
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}
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gfxIntSize operator-() const {
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return gfxIntSize(- width, - height);
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}
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gfxIntSize operator-(const gfxIntSize& s) const {
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return gfxIntSize(width - s.width, height - s.height);
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}
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gfxIntSize operator*(const PRInt32 v) const {
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return gfxIntSize(width * v, height * v);
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}
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gfxIntSize operator/(const PRInt32 v) const {
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return gfxIntSize(width / v, height / v);
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}
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};
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struct THEBES_API gfxSize {
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gfxFloat width, height;
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gfxSize() {}
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gfxSize(gfxFloat _width, gfxFloat _height) : width(_width), height(_height) {}
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gfxSize(const gfxIntSize& size) : width(size.width), height(size.height) {}
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void SizeTo(gfxFloat _width, gfxFloat _height) {width = _width; height = _height;}
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int operator==(const gfxSize& s) const {
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return ((width == s.width) && (height == s.height));
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}
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int operator!=(const gfxSize& s) const {
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return ((width != s.width) || (height != s.height));
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}
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gfxSize operator+(const gfxSize& s) const {
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return gfxSize(width + s.width, height + s.height);
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}
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gfxSize operator-() const {
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return gfxSize(- width, - height);
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}
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gfxSize operator-(const gfxSize& s) const {
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return gfxSize(width - s.width, height - s.height);
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}
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gfxSize operator*(const gfxFloat v) const {
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return gfxSize(width * v, height * v);
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}
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gfxSize operator/(const gfxFloat v) const {
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return gfxSize(width / v, height / v);
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}
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};
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struct THEBES_API gfxPoint {
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gfxFloat x, y;
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gfxPoint() { }
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gfxPoint(gfxFloat _x, gfxFloat _y) : x(_x), y(_y) {}
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void MoveTo(gfxFloat aX, gfxFloat aY) { x = aX; y = aY; }
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int operator==(const gfxPoint& p) const {
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return ((x == p.x) && (y == p.y));
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}
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int operator!=(const gfxPoint& p) const {
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return ((x != p.x) || (y != p.y));
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}
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const gfxPoint& operator+=(const gfxPoint& p) {
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x += p.x;
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y += p.y;
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return *this;
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}
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gfxPoint operator+(const gfxPoint& p) const {
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return gfxPoint(x + p.x, y + p.y);
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}
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gfxPoint operator+(const gfxSize& s) const {
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return gfxPoint(x + s.width, y + s.height);
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}
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gfxPoint operator-(const gfxPoint& p) const {
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return gfxPoint(x - p.x, y - p.y);
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}
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gfxPoint operator-(const gfxSize& s) const {
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return gfxPoint(x - s.width, y - s.height);
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}
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gfxPoint operator-() const {
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return gfxPoint(- x, - y);
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}
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gfxPoint operator*(const gfxFloat v) const {
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return gfxPoint(x * v, y * v);
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}
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gfxPoint operator/(const gfxFloat v) const {
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return gfxPoint(x / v, y / v);
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}
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// Round() is *not* rounding to nearest integer if the values are negative.
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// They are always rounding as floor(n + 0.5).
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=410748#c14
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// And if you need similar method which is using NS_round(), you should
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// create new |RoundAwayFromZero()| method.
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gfxPoint& Round() {
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x = NS_floor(x + 0.5);
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y = NS_floor(y + 0.5);
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return *this;
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}
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};
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#endif /* GFX_POINT_H */
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