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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/* -*- Mode: C++; tab-width: 8; 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/. */
#include "mozilla/dom/DOMQuad.h"
#include "mozilla/dom/DOMQuadBinding.h"
#include "mozilla/dom/DOMPoint.h"
#include "mozilla/dom/DOMRect.h"
#include <algorithm>
using namespace mozilla;
using namespace mozilla::dom;
using namespace mozilla::gfx;
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMQuad, mParent, mBounds, mPoints[0],
mPoints[1], mPoints[2], mPoints[3])
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(DOMQuad, AddRef)
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(DOMQuad, Release)
DOMQuad::DOMQuad(nsISupports* aParent, CSSPoint aPoints[4])
: mParent(aParent)
{
for (uint32_t i = 0; i < 4; ++i) {
mPoints[i] = new DOMPoint(aParent, aPoints[i].x, aPoints[i].y);
}
}
DOMQuad::DOMQuad(nsISupports* aParent)
: mParent(aParent)
{
}
DOMQuad::~DOMQuad()
{
}
JSObject*
DOMQuad::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return DOMQuadBinding::Wrap(aCx, this, aGivenProto);
}
already_AddRefed<DOMQuad>
DOMQuad::Constructor(const GlobalObject& aGlobal,
const DOMPointInit& aP1,
const DOMPointInit& aP2,
const DOMPointInit& aP3,
const DOMPointInit& aP4,
ErrorResult& aRV)
{
RefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports());
obj->mPoints[0] = DOMPoint::Constructor(aGlobal, aP1, aRV);
obj->mPoints[1] = DOMPoint::Constructor(aGlobal, aP2, aRV);
obj->mPoints[2] = DOMPoint::Constructor(aGlobal, aP3, aRV);
obj->mPoints[3] = DOMPoint::Constructor(aGlobal, aP4, aRV);
return obj.forget();
}
already_AddRefed<DOMQuad>
DOMQuad::Constructor(const GlobalObject& aGlobal, const DOMRectReadOnly& aRect,
ErrorResult& aRV)
{
CSSPoint points[4];
Float x = aRect.X(), y = aRect.Y(), w = aRect.Width(), h = aRect.Height();
points[0] = CSSPoint(x, y);
points[1] = CSSPoint(x + w, y);
points[2] = CSSPoint(x + w, y + h);
points[3] = CSSPoint(x, y + h);
RefPtr<DOMQuad> obj = new DOMQuad(aGlobal.GetAsSupports(), points);
return obj.forget();
}
class DOMQuad::QuadBounds final : public DOMRectReadOnly
{
public:
explicit QuadBounds(DOMQuad* aQuad)
: DOMRectReadOnly(aQuad->GetParentObject())
, mQuad(aQuad)
{}
NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(QuadBounds, DOMRectReadOnly)
NS_DECL_ISUPPORTS_INHERITED
virtual double X() const override
{
double x1, x2;
GetHorizontalMinMax(&x1, &x2);
return x1;
}
virtual double Y() const override
{
double y1, y2;
GetVerticalMinMax(&y1, &y2);
return y1;
}
virtual double Width() const override
{
double x1, x2;
GetHorizontalMinMax(&x1, &x2);
return x2 - x1;
}
virtual double Height() const override
{
double y1, y2;
GetVerticalMinMax(&y1, &y2);
return y2 - y1;
}
void GetHorizontalMinMax(double* aX1, double* aX2) const
{
double x1, x2;
x1 = x2 = mQuad->Point(0)->X();
for (uint32_t i = 1; i < 4; ++i) {
double x = mQuad->Point(i)->X();
x1 = std::min(x1, x);
x2 = std::max(x2, x);
}
*aX1 = x1;
*aX2 = x2;
}
void GetVerticalMinMax(double* aY1, double* aY2) const
{
double y1, y2;
y1 = y2 = mQuad->Point(0)->Y();
for (uint32_t i = 1; i < 4; ++i) {
double y = mQuad->Point(i)->Y();
y1 = std::min(y1, y);
y2 = std::max(y2, y);
}
*aY1 = y1;
*aY2 = y2;
}
protected:
virtual ~QuadBounds() {}
RefPtr<DOMQuad> mQuad;
};
NS_IMPL_CYCLE_COLLECTION_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly, mQuad)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(DOMQuad::QuadBounds)
NS_INTERFACE_MAP_END_INHERITING(DOMRectReadOnly)
NS_IMPL_ADDREF_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly)
NS_IMPL_RELEASE_INHERITED(DOMQuad::QuadBounds, DOMRectReadOnly)
DOMRectReadOnly*
DOMQuad::Bounds() const
{
if (!mBounds) {
mBounds = new QuadBounds(const_cast<DOMQuad*>(this));
}
return mBounds;
}
|
