comparison window/rect.h @ 0:223b71206888

Initial import
author thib
date Fri, 01 Aug 2008 16:32:45 +0000
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-1:000000000000 0:223b71206888
1 /*
2 * Copyright (c) 2004-2006 Kazunori "jagarl" Ueno
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28
29 #ifndef __RECT_H__
30 #define __RECT_H__
31
32 #include<vector>
33
34 struct Rect {
35 int lx, rx; // x = [lx,rx)
36 int ty, by; // y = [ty,by)
37
38 Rect(int x1, int y1);
39 Rect(int x1, int y1, int x2, int y2);
40 Rect(const Rect& rect);
41 Rect(const class Surface& rect);
42 Rect(const class TextGlyph& glyph);
43 void intersect(const Rect& rect);
44 bool is_crossed(const Rect& rect) const;
45 bool is_inner(const Rect& inner_rect) const;
46 bool is_nearly_inner(const Rect& inner_rect, int delta) const;
47 void join(const Rect& rect);
48 void rmove(int add_x, int add_y);
49 /** Subtracts rect from this. The resulting area is the set of pixels contained in this but not in the rect.
50 * result will be push_backed to ret_array.
51 */
52 void subtract(const Rect& rect, std::vector<Rect>& ret_array) const;
53 bool point_in(int x, int y) const;
54 bool empty(void) const {
55 return (lx == rx) || (ty == by);
56 }
57 int width(void) const {
58 return rx-lx;
59 }
60 int height(void) const {
61 return by-ty;
62 }
63 };
64
65 inline bool operator ==(const Rect& r1, const Rect& r2) {
66 return (r1.lx == r2.lx && r1.rx == r2.rx && r1.ty == r2.ty && r1.by == r2.by);
67 }
68 inline bool Rect::point_in(int x, int y) const {
69 return (lx <= x && x < rx && ty <= y && y < by);
70 }
71
72 struct Color {
73 int r,g,b,a;
74 Color(int _r, int _g, int _b) : r(_r),g(_g),b(_b),a(0xff) {}
75 Color(int _r, int _g, int _b, int _a) : r(_r),g(_g),b(_b),a(_a) {}
76 };
77 #endif