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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/svg/SVGTransformList.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/svg/SVGTransformList.cpp')
-rw-r--r--dom/svg/SVGTransformList.cpp80
1 files changed, 80 insertions, 0 deletions
diff --git a/dom/svg/SVGTransformList.cpp b/dom/svg/SVGTransformList.cpp
new file mode 100644
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+++ b/dom/svg/SVGTransformList.cpp
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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 "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<nsSVGTransform>& 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