/* -*- 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