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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/smil/SMILFloatType.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/smil/SMILFloatType.cpp')
-rw-r--r-- | dom/smil/SMILFloatType.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/dom/smil/SMILFloatType.cpp b/dom/smil/SMILFloatType.cpp new file mode 100644 index 0000000000..ac50cfe8d2 --- /dev/null +++ b/dom/smil/SMILFloatType.cpp @@ -0,0 +1,81 @@ +/* -*- 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 "SMILFloatType.h" + +#include "mozilla/SMILValue.h" +#include "nsDebug.h" +#include <math.h> + +namespace mozilla { + +void SMILFloatType::Init(SMILValue& aValue) const { + MOZ_ASSERT(aValue.IsNull(), "Unexpected value type"); + aValue.mU.mDouble = 0.0; + aValue.mType = this; +} + +void SMILFloatType::Destroy(SMILValue& aValue) const { + MOZ_ASSERT(aValue.mType == this, "Unexpected SMIL value"); + aValue.mU.mDouble = 0.0; + aValue.mType = SMILNullType::Singleton(); +} + +nsresult SMILFloatType::Assign(SMILValue& aDest, const SMILValue& aSrc) const { + MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types"); + MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL value"); + aDest.mU.mDouble = aSrc.mU.mDouble; + return NS_OK; +} + +bool SMILFloatType::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 aLeft.mU.mDouble == aRight.mU.mDouble; +} + +nsresult SMILFloatType::Add(SMILValue& aDest, const SMILValue& aValueToAdd, + uint32_t aCount) const { + MOZ_ASSERT(aValueToAdd.mType == aDest.mType, "Trying to add invalid types"); + MOZ_ASSERT(aValueToAdd.mType == this, "Unexpected source type"); + aDest.mU.mDouble += aValueToAdd.mU.mDouble * aCount; + return NS_OK; +} + +nsresult SMILFloatType::ComputeDistance(const SMILValue& aFrom, + const SMILValue& aTo, + double& aDistance) const { + MOZ_ASSERT(aFrom.mType == aTo.mType, "Trying to compare different types"); + MOZ_ASSERT(aFrom.mType == this, "Unexpected source type"); + + const double& from = aFrom.mU.mDouble; + const double& to = aTo.mU.mDouble; + + aDistance = fabs(to - from); + + return NS_OK; +} + +nsresult SMILFloatType::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 double& startVal = aStartVal.mU.mDouble; + const double& endVal = aEndVal.mU.mDouble; + + aResult.mU.mDouble = (startVal + (endVal - startVal) * aUnitDistance); + + return NS_OK; +} + +} // namespace mozilla |