w32tex
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Position.h
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1 /* GRAPHITE2 LICENSING
2 
3  Copyright 2010, SIL International
4  All rights reserved.
5 
6  This library is free software; you can redistribute it and/or modify
7  it under the terms of the GNU Lesser General Public License as published
8  by the Free Software Foundation; either version 2.1 of License, or
9  (at your option) any later version.
10 
11  This program is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  Lesser General Public License for more details.
15 
16  You should also have received a copy of the GNU Lesser General Public
17  License along with this library in the file named "LICENSE".
18  If not, write to the Free Software Foundation, 51 Franklin Street,
19  Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
20  internet at http://www.fsf.org/licenses/lgpl.html.
21 
22 Alternatively, the contents of this file may be used under the terms of the
23 Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
24 License, as published by the Free Software Foundation, either version 2
25 of the License or (at your option) any later version.
26 */
27 #pragma once
28 
29 namespace graphite2 {
30 
31 class Position
32 {
33 public:
34  Position() : x(0), y(0) { }
35  Position(const float inx, const float iny) : x(inx), y(iny) {}
36  Position operator + (const Position& a) const { return Position(x + a.x, y + a.y); }
37  Position operator - (const Position& a) const { return Position(x - a.x, y - a.y); }
38  Position operator * (const float m) const { return Position(x * m, y * m); }
39  Position &operator += (const Position &a) { x += a.x; y += a.y; return *this; }
40  Position &operator *= (const float m) { x *= m; y *= m; return *this; }
41 
42  float x;
43  float y;
44 };
45 
46 class Rect
47 {
48 public :
49  Rect() {}
50  Rect(const Position& botLeft, const Position& topRight): bl(botLeft), tr(topRight) {}
51  Rect widen(const Rect& other) { return Rect(Position(bl.x > other.bl.x ? other.bl.x : bl.x, bl.y > other.bl.y ? other.bl.y : bl.y), Position(tr.x > other.tr.x ? tr.x : other.tr.x, tr.y > other.tr.y ? tr.y : other.tr.y)); }
52  Rect operator + (const Position &a) const { return Rect(Position(bl.x + a.x, bl.y + a.y), Position(tr.x + a.x, tr.y + a.y)); }
53  Rect operator - (const Position &a) const { return Rect(Position(bl.x - a.x, bl.y - a.y), Position(tr.x - a.x, tr.y - a.y)); }
54  Rect operator * (float m) const { return Rect(Position(bl.x, bl.y) * m, Position(tr.x, tr.y) * m); }
55  float width() const { return tr.x - bl.x; }
56  float height() const { return tr.y - bl.y; }
57 
58  bool hitTest(Rect &other);
59 
60  // returns Position(overlapx, overlapy) where overlap<0 if overlapping else positive)
62  //Position constrainedAvoid(Position &offset, Rect &box, Rect &sdbox, Position &other, Rect &obox, Rect &osdbox);
63 
64  Position bl;
65  Position tr;
66 };
67 
68 } // namespace graphite2
Position & operator*=(const float m)
Definition: Position.h:40
Position(const float inx, const float iny)
Definition: Position.h:35
Position operator-(const Position &a) const
Definition: Position.h:37
Position & operator+=(const Position &a)
Definition: Position.h:39
Position operator*(const float m) const
Definition: Position.h:38
Position operator+(const Position &a) const
Definition: Position.h:36
bool hitTest(Rect &other)
Rect operator-(const Position &a) const
Definition: Position.h:53
Rect operator+(const Position &a) const
Definition: Position.h:52
float width() const
Definition: Position.h:55
float height() const
Definition: Position.h:56
Position tr
Definition: Position.h:65
Position overlap(Position &offset, Rect &other, Position &otherOffset)
Rect operator*(float m) const
Definition: Position.h:54
Rect widen(const Rect &other)
Definition: Position.h:51
Position bl
Definition: Position.h:64
Rect(const Position &botLeft, const Position &topRight)
Definition: Position.h:50
#define a(n)
Definition: gpos-common.c:148
@ other
Definition: mtxline.h:22
Definition: bits.h:30
static int offset
Definition: ppmtogif.c:642
Definition: picttoppm.c:71
m
Definition: tex4ht.c:3990