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/* -*- 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 "SVGPathSegListSMILType.h"
#include "SVGPathData.h"
#include "SVGPathSegUtils.h"
#include "mozilla/DebugOnly.h"
#include "mozilla/SMILValue.h"
namespace mozilla {
//----------------------------------------------------------------------
// nsISMILType implementation
void SVGPathSegListSMILType::InitValue(SMILValue& aValue) const {
MOZ_ASSERT(aValue.IsNull(), "Unexpected value type");
aValue.mU.mPtr = new SVGPathDataAndInfo();
aValue.mType = this;
}
void SVGPathSegListSMILType::DestroyValue(SMILValue& aValue) const {
MOZ_ASSERT(aValue.mType == this, "Unexpected SMIL value type");
delete static_cast<SVGPathDataAndInfo*>(aValue.mU.mPtr);
aValue.mU.mPtr = nullptr;
aValue.mType = SMILNullType::Singleton();
}
nsresult SVGPathSegListSMILType::Assign(SMILValue& aDest,
const SMILValue& aSrc) const {
MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types");
MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL value");
const SVGPathDataAndInfo* src =
static_cast<const SVGPathDataAndInfo*>(aSrc.mU.mPtr);
SVGPathDataAndInfo* dest = static_cast<SVGPathDataAndInfo*>(aDest.mU.mPtr);
dest->CopyFrom(*src);
return NS_OK;
}
bool SVGPathSegListSMILType::IsEqual(const SMILValue& aLeft,
const SMILValue& aRight) const {
MOZ_ASSERT(aLeft.mType == aRight.mType, "Incompatible SMIL types");
MOZ_ASSERT(aLeft.mType == this, "Unexpected type for SMIL value");
return *static_cast<const SVGPathDataAndInfo*>(aLeft.mU.mPtr) ==
*static_cast<const SVGPathDataAndInfo*>(aRight.mU.mPtr);
}
nsresult SVGPathSegListSMILType::Add(SMILValue& aDest,
const SMILValue& aValueToAdd,
uint32_t aCount) const {
MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL type");
MOZ_ASSERT(aValueToAdd.mType == this, "Incompatible SMIL type");
SVGPathDataAndInfo& dest = *static_cast<SVGPathDataAndInfo*>(aDest.mU.mPtr);
const SVGPathDataAndInfo& valueToAdd =
*static_cast<const SVGPathDataAndInfo*>(aValueToAdd.mU.mPtr);
if (valueToAdd.IsIdentity()) { // Adding identity value - no-op
return NS_OK;
}
if (dest.IsIdentity()) {
dest.CopyFrom(valueToAdd);
aCount--;
}
if (aCount &&
!Servo_SVGPathData_Add(&dest.RawData(), &valueToAdd.RawData(), aCount)) {
// SVGContentUtils::ReportToConsole - can't add path segment lists with
// different numbers of segments, with arcs that have different flag
// values, or with incompatible segment types.
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult SVGPathSegListSMILType::ComputeDistance(const SMILValue& aFrom,
const SMILValue& aTo,
double& aDistance) const {
MOZ_ASSERT(aFrom.mType == this, "Unexpected SMIL type");
MOZ_ASSERT(aTo.mType == this, "Incompatible SMIL type");
// See https://bugzilla.mozilla.org/show_bug.cgi?id=522306#c18
// SVGContentUtils::ReportToConsole
return NS_ERROR_NOT_IMPLEMENTED;
}
nsresult SVGPathSegListSMILType::Interpolate(const SMILValue& aStartVal,
const SMILValue& aEndVal,
double aUnitDistance,
SMILValue& aResult) const {
MOZ_ASSERT(aStartVal.mType == aEndVal.mType,
"Trying to interpolate different types");
MOZ_ASSERT(aStartVal.mType == this, "Unexpected types for interpolation");
MOZ_ASSERT(aResult.mType == this, "Unexpected result type");
const SVGPathDataAndInfo& start =
*static_cast<const SVGPathDataAndInfo*>(aStartVal.mU.mPtr);
const SVGPathDataAndInfo& end =
*static_cast<const SVGPathDataAndInfo*>(aEndVal.mU.mPtr);
SVGPathDataAndInfo& result =
*static_cast<SVGPathDataAndInfo*>(aResult.mU.mPtr);
MOZ_ASSERT(result.IsIdentity(),
"expecting outparam to start out as identity");
result.SetElement(end.Element());
if (!Servo_SVGPathData_Interpolate(
start.IsIdentity() ? nullptr : &start.RawData(), &end.RawData(),
aUnitDistance, &result.RawData())) {
return NS_ERROR_FAILURE;
}
return NS_OK;
}
} // namespace mozilla
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