summaryrefslogtreecommitdiffstats
path: root/dom/svg/SVGFEMorphologyElement.cpp
blob: 3d2de3a0f587920925e58f438eac5fe28f697fe9 (plain)
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
160
161
162
163
164
165
166
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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/SVGFEMorphologyElement.h"
#include "mozilla/dom/SVGFEMorphologyElementBinding.h"
#include "nsSVGFilterInstance.h"

NS_IMPL_NS_NEW_NAMESPACED_SVG_ELEMENT(FEMorphology)

using namespace mozilla::gfx;

namespace mozilla {
namespace dom {

JSObject*
SVGFEMorphologyElement::WrapNode(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
  return SVGFEMorphologyElementBinding::Wrap(aCx, this, aGivenProto);
}

nsSVGElement::NumberPairInfo SVGFEMorphologyElement::sNumberPairInfo[1] =
{
  { &nsGkAtoms::radius, 0, 0 }
};

nsSVGEnumMapping SVGFEMorphologyElement::sOperatorMap[] = {
  {&nsGkAtoms::erode, SVG_OPERATOR_ERODE},
  {&nsGkAtoms::dilate, SVG_OPERATOR_DILATE},
  {nullptr, 0}
};

nsSVGElement::EnumInfo SVGFEMorphologyElement::sEnumInfo[1] =
{
  { &nsGkAtoms::_operator,
    sOperatorMap,
    SVG_OPERATOR_ERODE
  }
};

nsSVGElement::StringInfo SVGFEMorphologyElement::sStringInfo[2] =
{
  { &nsGkAtoms::result, kNameSpaceID_None, true },
  { &nsGkAtoms::in, kNameSpaceID_None, true }
};

//----------------------------------------------------------------------
// nsIDOMNode methods


NS_IMPL_ELEMENT_CLONE_WITH_INIT(SVGFEMorphologyElement)


//----------------------------------------------------------------------
// SVGFEMorphologyElement methods

already_AddRefed<SVGAnimatedString>
SVGFEMorphologyElement::In1()
{
  return mStringAttributes[IN1].ToDOMAnimatedString(this);
}

already_AddRefed<SVGAnimatedEnumeration>
SVGFEMorphologyElement::Operator()
{
  return mEnumAttributes[OPERATOR].ToDOMAnimatedEnum(this);
}

already_AddRefed<SVGAnimatedNumber>
SVGFEMorphologyElement::RadiusX()
{
  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eFirst, this);
}

already_AddRefed<SVGAnimatedNumber>
SVGFEMorphologyElement::RadiusY()
{
  return mNumberPairAttributes[RADIUS].ToDOMAnimatedNumber(nsSVGNumberPair::eSecond, this);
}

void
SVGFEMorphologyElement::SetRadius(float rx, float ry)
{
  mNumberPairAttributes[RADIUS].SetBaseValues(rx, ry, this);
}

void
SVGFEMorphologyElement::GetSourceImageNames(nsTArray<nsSVGStringInfo>& aSources)
{
  aSources.AppendElement(nsSVGStringInfo(&mStringAttributes[IN1], this));
}

#define MORPHOLOGY_EPSILON 0.0001

void
SVGFEMorphologyElement::GetRXY(int32_t *aRX, int32_t *aRY,
                               const nsSVGFilterInstance& aInstance)
{
  // Subtract an epsilon here because we don't want a value that's just
  // slightly larger than an integer to round up to the next integer; it's
  // probably meant to be the integer it's close to, modulo machine precision
  // issues.
  *aRX = NSToIntCeil(aInstance.GetPrimitiveNumber(SVGContentUtils::X,
                                                  &mNumberPairAttributes[RADIUS],
                                                  nsSVGNumberPair::eFirst) -
                     MORPHOLOGY_EPSILON);
  *aRY = NSToIntCeil(aInstance.GetPrimitiveNumber(SVGContentUtils::Y,
                                                  &mNumberPairAttributes[RADIUS],
                                                  nsSVGNumberPair::eSecond) -
                     MORPHOLOGY_EPSILON);
}

FilterPrimitiveDescription
SVGFEMorphologyElement::GetPrimitiveDescription(nsSVGFilterInstance* aInstance,
                                                const IntRect& aFilterSubregion,
                                                const nsTArray<bool>& aInputsAreTainted,
                                                nsTArray<RefPtr<SourceSurface>>& aInputImages)
{
  int32_t rx, ry;
  GetRXY(&rx, &ry, *aInstance);
  FilterPrimitiveDescription descr(PrimitiveType::Morphology);
  descr.Attributes().Set(eMorphologyRadii, Size(rx, ry));
  descr.Attributes().Set(eMorphologyOperator,
                         (uint32_t)mEnumAttributes[OPERATOR].GetAnimValue());
  return descr;
}

bool
SVGFEMorphologyElement::AttributeAffectsRendering(int32_t aNameSpaceID,
                                                  nsIAtom* aAttribute) const
{
  return SVGFEMorphologyElementBase::AttributeAffectsRendering(aNameSpaceID, aAttribute) ||
         (aNameSpaceID == kNameSpaceID_None &&
          (aAttribute == nsGkAtoms::in ||
           aAttribute == nsGkAtoms::radius ||
           aAttribute == nsGkAtoms::_operator));
}

//----------------------------------------------------------------------
// nsSVGElement methods

nsSVGElement::NumberPairAttributesInfo
SVGFEMorphologyElement::GetNumberPairInfo()
{
  return NumberPairAttributesInfo(mNumberPairAttributes, sNumberPairInfo,
                                  ArrayLength(sNumberPairInfo));
}

nsSVGElement::EnumAttributesInfo
SVGFEMorphologyElement::GetEnumInfo()
{
  return EnumAttributesInfo(mEnumAttributes, sEnumInfo,
                            ArrayLength(sEnumInfo));
}

nsSVGElement::StringAttributesInfo
SVGFEMorphologyElement::GetStringInfo()
{
  return StringAttributesInfo(mStringAttributes, sStringInfo,
                              ArrayLength(sStringInfo));
}

} // namespace dom
} // namespace mozilla