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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /dom/svg/SVGIntegerPairSMILType.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGIntegerPairSMILType.cpp')
-rw-r--r-- | dom/svg/SVGIntegerPairSMILType.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/dom/svg/SVGIntegerPairSMILType.cpp b/dom/svg/SVGIntegerPairSMILType.cpp new file mode 100644 index 0000000000..838522b272 --- /dev/null +++ b/dom/svg/SVGIntegerPairSMILType.cpp @@ -0,0 +1,97 @@ +/* -*- 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 "SVGIntegerPairSMILType.h" + +#include "mozilla/SMILValue.h" +#include "nsMathUtils.h" +#include "nsDebug.h" + +namespace mozilla { + +void SVGIntegerPairSMILType::Init(SMILValue& aValue) const { + MOZ_ASSERT(aValue.IsNull(), "Unexpected value type"); + + aValue.mU.mIntPair[0] = 0; + aValue.mU.mIntPair[1] = 0; + aValue.mType = this; +} + +void SVGIntegerPairSMILType::Destroy(SMILValue& aValue) const { + MOZ_ASSERT(aValue.mType == this, "Unexpected SMIL value"); + aValue.mU.mIntPair[0] = 0; + aValue.mU.mIntPair[1] = 0; + aValue.mType = SMILNullType::Singleton(); +} + +nsresult SVGIntegerPairSMILType::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.mIntPair[0] = aSrc.mU.mIntPair[0]; + aDest.mU.mIntPair[1] = aSrc.mU.mIntPair[1]; + return NS_OK; +} + +bool SVGIntegerPairSMILType::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.mIntPair[0] == aRight.mU.mIntPair[0] && + aLeft.mU.mIntPair[1] == aRight.mU.mIntPair[1]; +} + +nsresult SVGIntegerPairSMILType::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.mIntPair[0] += aValueToAdd.mU.mIntPair[0] * aCount; + aDest.mU.mIntPair[1] += aValueToAdd.mU.mIntPair[1] * aCount; + + return NS_OK; +} + +nsresult SVGIntegerPairSMILType::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"); + + double delta[2]; + delta[0] = aTo.mU.mIntPair[0] - aFrom.mU.mIntPair[0]; + delta[1] = aTo.mU.mIntPair[1] - aFrom.mU.mIntPair[1]; + + aDistance = NS_hypot(delta[0], delta[1]); + return NS_OK; +} + +nsresult SVGIntegerPairSMILType::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"); + + double currentVal[2]; + currentVal[0] = + aStartVal.mU.mIntPair[0] + + (aEndVal.mU.mIntPair[0] - aStartVal.mU.mIntPair[0]) * aUnitDistance; + currentVal[1] = + aStartVal.mU.mIntPair[1] + + (aEndVal.mU.mIntPair[1] - aStartVal.mU.mIntPair[1]) * aUnitDistance; + + aResult.mU.mIntPair[0] = NS_lround(currentVal[0]); + aResult.mU.mIntPair[1] = NS_lround(currentVal[1]); + return NS_OK; +} + +} // namespace mozilla |