/* -*- 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 SVGFEMorphologyElement_Binding::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 }

};

//----------------------------------------------------------------------

// nsINode 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);

  MorphologyAttributes atts;

  atts.mRadii = Size(rx, ry);

  atts.mOperator = (uint32_t)mEnumAttributes[OPERATOR].GetAnimValue();

  return FilterPrimitiveDescription(AsVariant(std::move(atts)));

}

bool

SVGFEMorphologyElement::AttributeAffectsRendering(int32_t aNameSpaceID,

                                                  nsAtom* 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