1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_TRIANGLE_H
#define MOZILLA_GFX_TRIANGLE_H
#include <algorithm>
#include "mozilla/Move.h"
#include "Point.h"
#include "Rect.h"
namespace mozilla {
namespace gfx {
/**
* A simple triangle data structure.
*/
template<class Units, class F = Float>
struct TriangleTyped
{
PointTyped<Units, F> p1, p2, p3;
F width, height;
TriangleTyped()
: p1(), p2(), p3() {}
TriangleTyped(PointTyped<Units, F> aP1,
PointTyped<Units, F> aP2,
PointTyped<Units, F> aP3)
: p1(aP1), p2(aP2), p3(aP3) {}
RectTyped<Units, F> BoundingBox() const
{
F minX = std::min(std::min(p1.x, p2.x), p3.x);
F maxX = std::max(std::max(p1.x, p2.x), p3.x);
F minY = std::min(std::min(p1.y, p2.y), p3.y);
F maxY = std::max(std::max(p1.y, p2.y), p3.y);
return RectTyped<Units, F>(minX, minY, maxX - minX, maxY - minY);
}
};
typedef TriangleTyped<UnknownUnits, Float> Triangle;
template<class Units, class F = Float>
struct TexturedTriangleTyped : public TriangleTyped<Units, F>
{
explicit TexturedTriangleTyped(const TriangleTyped<Units, F>& aTriangle)
: TriangleTyped<Units, F>(aTriangle) {}
explicit TexturedTriangleTyped(TriangleTyped<Units, F>&& aTriangle)
: TriangleTyped<Units, F>(Move(aTriangle)) {}
TriangleTyped<Units, F> textureCoords;
};
typedef TexturedTriangleTyped<UnknownUnits, Float> TexturedTriangle;
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_TRIANGLE_H */
|
