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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /dom/svg/SVGTransformList.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/svg/SVGTransformList.cpp')
-rw-r--r-- | dom/svg/SVGTransformList.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/dom/svg/SVGTransformList.cpp b/dom/svg/SVGTransformList.cpp new file mode 100644 index 0000000000..244ca61c85 --- /dev/null +++ b/dom/svg/SVGTransformList.cpp @@ -0,0 +1,69 @@ +/* -*- 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 "SVGTransformList.h" +#include "SVGTransformListParser.h" +#include "nsString.h" +#include "nsError.h" + +namespace mozilla { + +gfxMatrix SVGTransformList::GetConsolidationMatrix() const { + // To benefit from Return Value Optimization and avoid copy constructor calls + // due to our use of return-by-value, we must return the exact same object + // from ALL return points. This function must only return THIS variable: + gfxMatrix result; + + if (mItems.IsEmpty()) return result; + + result = mItems[0].GetMatrix(); + + if (mItems.Length() == 1) return result; + + for (uint32_t i = 1; i < mItems.Length(); ++i) { + result.PreMultiply(mItems[i].GetMatrix()); + } + + return result; +} + +nsresult SVGTransformList::CopyFrom(const SVGTransformList& rhs) { + return CopyFrom(rhs.mItems); +} + +nsresult SVGTransformList::CopyFrom( + const nsTArray<SVGTransform>& aTransformArray) { + if (!mItems.Assign(aTransformArray, fallible)) { + return NS_ERROR_OUT_OF_MEMORY; + } + return NS_OK; +} + +void SVGTransformList::GetValueAsString(nsAString& aValue) const { + aValue.Truncate(); + uint32_t last = mItems.Length() - 1; + for (uint32_t i = 0; i < mItems.Length(); ++i) { + nsAutoString length; + mItems[i].GetValueAsString(length); + // We ignore OOM, since it's not useful for us to return an error. + aValue.Append(length); + if (i != last) { + aValue.Append(' '); + } + } +} + +nsresult SVGTransformList::SetValueFromString(const nsAString& aValue) { + SVGTransformListParser parser(aValue); + if (!parser.Parse()) { + // there was a parse error. + return NS_ERROR_DOM_SYNTAX_ERR; + } + + return CopyFrom(parser.GetTransformList()); +} + +} // namespace mozilla |