Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 137 insertions, 0 deletions

diff --git a/svgio/inc/svgtools.hxx b/svgio/inc/svgtools.hxx
new file mode 100644
index 000000000..5effa7df3
--- /dev/null
+++ b/svgio/inc/svgtools.hxx
@@ -0,0 +1,137 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#pragma once
+
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/vector/b2ivector.hxx>
+#include <rtl/ustrbuf.hxx>
+#include "svgpaint.hxx"
+#include "SvgNumber.hxx"
+
+#include <string_view>
+#include <vector>
+
+
+namespace svgio::svgreader
+    {
+        // common non-token strings
+        struct commonStrings
+        {
+            static constexpr OUStringLiteral aStrUserSpaceOnUse = u"userSpaceOnUse";
+            static constexpr OUStringLiteral aStrObjectBoundingBox = u"objectBoundingBox";
+            static constexpr OUStringLiteral aStrNonzero = u"nonzero";
+            static constexpr OUStringLiteral aStrEvenOdd = u"evenodd";
+        };
+
+        enum class SvgUnits
+        {
+            userSpaceOnUse,
+            objectBoundingBox
+        };
+
+        enum class SvgAlign
+        {
+            none,
+            xMinYMin,
+            xMidYMin,
+            xMaxYMin,
+            xMinYMid,
+            xMidYMid, // default
+            xMaxYMid,
+            xMinYMax,
+            xMidYMax,
+            xMaxYMax
+        };
+
+        class SvgAspectRatio
+        {
+        private:
+            SvgAlign    maSvgAlign;
+
+            bool        mbMeetOrSlice : 1; // true = meet (default), false = slice
+            bool        mbSet : 1;
+
+        public:
+            SvgAspectRatio()
+            :   maSvgAlign(SvgAlign::xMidYMid),
+                mbMeetOrSlice(true),
+                mbSet(false)
+            {
+            }
+
+            SvgAspectRatio(SvgAlign aSvgAlign, bool bMeetOrSlice)
+            :   maSvgAlign(aSvgAlign),
+                mbMeetOrSlice(bMeetOrSlice),
+                mbSet(true)
+            {
+            }
+
+            /// data read access
+            SvgAlign getSvgAlign() const { return maSvgAlign; }
+            bool isMeetOrSlice() const { return mbMeetOrSlice; }
+            bool isSet() const { return mbSet; }
+
+            /// tooling
+            static basegfx::B2DHomMatrix createLinearMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource);
+            basegfx::B2DHomMatrix createMapping(const basegfx::B2DRange& rTarget, const basegfx::B2DRange& rSource) const;
+        };
+
+        void skip_char(std::u16string_view rCandidate, sal_Unicode aChar, sal_Int32& nPos, const sal_Int32 nLen);
+        void skip_char(std::u16string_view rCandidate, sal_Unicode aCharA, sal_Unicode nCharB, sal_Int32& nPos, const sal_Int32 nLen);
+        void copySign(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyNumber(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyHex(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyString(std::u16string_view rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyToLimiter(std::u16string_view rCandidate, sal_Unicode aLimiter, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        bool readNumber(std::u16string_view rCandidate, sal_Int32& nPos, double& fNum, const sal_Int32 nLen);
+        SvgUnit readUnit(std::u16string_view rCandidate, sal_Int32& nPos, const sal_Int32 nLen);
+        bool readNumberAndUnit(std::u16string_view rCandidate, sal_Int32& nPos, SvgNumber& aNum, const sal_Int32 nLen);
+        bool readAngle(std::u16string_view rCandidate, sal_Int32& nPos, double& fAngle, const sal_Int32 nLen);
+        sal_Int32 read_hex(sal_Unicode aChar);
+        bool match_colorKeyword(basegfx::BColor& rColor, const OUString& rName);
+        bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, SvgNumber& rOpacity);
+        basegfx::B2DRange readViewBox(const OUString& rCandidate, InfoProvider const & rInfoProvider);
+        basegfx::B2DHomMatrix readTransform(const OUString& rCandidate, InfoProvider const & rInfoProvider);
+        bool readSingleNumber(const OUString& rCandidate, SvgNumber& aNum);
+        bool readLocalUrl(const OUString& rCandidate, OUString& rURL);
+        bool readSvgPaint(const OUString& rCandidate, SvgPaint& rSvgPaint, OUString& rURL, SvgNumber& rOpacity);
+
+        bool readSvgNumberVector(const OUString& rCandidate, SvgNumberVector& rSvgNumberVector);
+        ::std::vector< double > solveSvgNumberVector(const SvgNumberVector& rInput, const InfoProvider& rInfoProvider);
+
+        SvgAspectRatio readSvgAspectRatio(const OUString& rCandidate);
+
+        typedef ::std::vector< OUString > SvgStringVector;
+        bool readSvgStringVector(const OUString& rCandidate, SvgStringVector& rSvgStringVector);
+
+        void readImageLink(const OUString& rCandidate, OUString& rXLink, OUString& rUrl, OUString& rMimeType, OUString& rData);
+
+        OUString convert(const OUString& rCandidate, sal_Unicode nPattern, sal_Unicode nNew, bool bRemove);
+        OUString consolidateContiguousSpace(const OUString& rCandidate);
+        OUString xmlSpaceHandling(const OUString& rCandidate, bool bIsDefault);
+
+        // #125325# removes block comment of the general form '/* ... */', returns
+        // an adapted string or the original if no comments included
+        OUString removeBlockComments(const OUString& rCandidate);
+
+} // end of namespace svgio::svgreader
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */