Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 228 insertions, 0 deletions

diff --git a/svgio/inc/svgtools.hxx b/svgio/inc/svgtools.hxx
new file mode 100644
index 000000000..215ea6e87
--- /dev/null
+++ b/svgio/inc/svgtools.hxx
@@ -0,0 +1,228 @@
+/* -*- 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 .
+ */
+
+#ifndef INCLUDED_SVGIO_INC_SVGTOOLS_HXX
+#define INCLUDED_SVGIO_INC_SVGTOOLS_HXX
+
+#include <basegfx/color/bcolor.hxx>
+#include <basegfx/range/b2drange.hxx>
+#include <basegfx/vector/b2ivector.hxx>
+#include <rtl/ustrbuf.hxx>
+#include "svgpaint.hxx"
+#include <vector>
+
+namespace svgio
+{
+    namespace svgreader
+    {
+
+// recommended value for this device dependent unit, see CSS2 section 4.3.2 Lengths
+#define F_SVG_PIXEL_PER_INCH  96.0
+
+        // common non-token strings
+        struct commonStrings
+        {
+            static const OUString aStrUserSpaceOnUse;
+            static const OUString aStrObjectBoundingBox;
+            static const OUString aStrNonzero;
+            static const OUString aStrEvenOdd;
+        };
+
+        enum SvgUnits
+        {
+            userSpaceOnUse,
+            objectBoundingBox
+        };
+
+        enum NumberType
+        {
+            xcoordinate,
+            ycoordinate,
+            length
+        };
+
+        class InfoProvider
+        {
+        public:
+            virtual ~InfoProvider() {}
+            virtual basegfx::B2DRange getCurrentViewPort() const = 0;
+            /// return font size of node inherited from parents
+            virtual double getCurrentFontSizeInherited() const = 0;
+            /// return xheight of node inherited from parents
+            virtual double getCurrentXHeightInherited() const = 0;
+        };
+
+        enum SvgUnit
+        {
+            Unit_em = 0,    // relative to current font size
+            Unit_ex,        // relative to current x-height
+
+            Unit_px,        // 'user unit'
+            Unit_pt,        // points, 1.25 px
+            Unit_pc,        // 15.0 px
+            Unit_cm,        // 35.43307 px
+            Unit_mm,        // 3.543307 px
+            Unit_in,        // 90 px
+
+            Unit_percent,   // relative to range
+            Unit_none       // for stroke-miterlimit, which has no unit
+        };
+
+        class SvgNumber
+        {
+        private:
+            double      mfNumber;
+            SvgUnit     meUnit;
+
+            bool        mbSet : 1;
+
+        public:
+            SvgNumber()
+            :   mfNumber(0.0),
+                meUnit(Unit_px),
+                mbSet(false)
+            {
+            }
+
+            SvgNumber(double fNum, SvgUnit aSvgUnit = Unit_px, bool bSet = true)
+            :   mfNumber(fNum),
+                meUnit(aSvgUnit),
+                mbSet(bSet)
+            {
+            }
+
+            double getNumber() const
+            {
+                return mfNumber;
+            }
+
+            SvgUnit getUnit() const
+            {
+                return meUnit;
+            }
+
+            bool isSet() const
+            {
+                return mbSet;
+            }
+
+            bool isPositive() const;
+
+            // Only usable in cases, when the unit is not Unit_percent, otherwise use method solve
+            double solveNonPercentage(const InfoProvider& rInfoProvider) const;
+
+            double solve(const InfoProvider& rInfoProvider, NumberType aNumberType = length) const;
+
+
+        };
+
+        typedef ::std::vector< SvgNumber > SvgNumberVector;
+
+        enum SvgAlign
+        {
+            Align_none,
+            Align_xMinYMin,
+            Align_xMidYMin,
+            Align_xMaxYMin,
+            Align_xMinYMid,
+            Align_xMidYMid, // default
+            Align_xMaxYMid,
+            Align_xMinYMax,
+            Align_xMidYMax,
+            Align_xMaxYMax
+        };
+
+        class SvgAspectRatio
+        {
+        private:
+            SvgAlign    maSvgAlign;
+
+            bool        mbMeetOrSlice : 1; // true = meet (default), false = slice
+            bool        mbSet : 1;
+
+        public:
+            SvgAspectRatio()
+            :   maSvgAlign(Align_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(const OUString& rCandidate, sal_Unicode aChar, sal_Int32& nPos, const sal_Int32 nLen);
+        void skip_char(const OUString& rCandidate, sal_Unicode aCharA, sal_Unicode nCharB, sal_Int32& nPos, const sal_Int32 nLen);
+        void copySign(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyNumber(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyHex(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyString(const OUString& rCandidate, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        void copyToLimiter(const OUString& rCandidate, sal_Unicode aLimiter, sal_Int32& nPos, OUStringBuffer& rTarget, const sal_Int32 nLen);
+        bool readNumber(const OUString& rCandidate, sal_Int32& nPos, double& fNum, const sal_Int32 nLen);
+        SvgUnit readUnit(const OUString& rCandidate, sal_Int32& nPos, const sal_Int32 nLen);
+        bool readNumberAndUnit(const OUString& rCandidate, sal_Int32& nPos, SvgNumber& aNum, const sal_Int32 nLen);
+        bool readAngle(const OUString& 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 bCaseIndependent);
+        bool read_color(const OUString& rCandidate, basegfx::BColor& rColor, bool bCaseIndependent, 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, bool bCaseIndependent, 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 whiteSpaceHandlingDefault(const OUString& rCandidate);
+        OUString whiteSpaceHandlingPreserve(const OUString& rCandidate);
+
+        // #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 svgreader
+} // end of namespace svgio
+
+#endif // INCLUDED_SVGIO_INC_SVGTOOLS_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */