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, 469 insertions, 0 deletions

diff --git a/svgio/source/svgreader/svgpatternnode.cxx b/svgio/source/svgreader/svgpatternnode.cxx
new file mode 100644
index 000000000..7024e58c6
--- /dev/null
+++ b/svgio/source/svgreader/svgpatternnode.cxx
@@ -0,0 +1,469 @@
+/* -*- 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 .
+ */
+
+#include <svgpatternnode.hxx>
+#include <svgdocument.hxx>
+
+namespace svgio::svgreader
+{
+        void SvgPatternNode::tryToFindLink()
+        {
+            if(!mpXLink && !maXLink.isEmpty())
+            {
+                mpXLink = dynamic_cast< const SvgPatternNode* >(getDocument().findSvgNodeById(maXLink));
+            }
+        }
+
+        SvgPatternNode::SvgPatternNode(
+            SvgDocument& rDocument,
+            SvgNode* pParent)
+        :   SvgNode(SVGToken::Pattern, rDocument, pParent),
+            maSvgStyleAttributes(*this),
+            mbResolvingLink(false),
+            mpXLink(nullptr)
+        {
+        }
+
+        SvgPatternNode::~SvgPatternNode()
+        {
+        }
+
+        const SvgStyleAttributes* SvgPatternNode::getSvgStyleAttributes() const
+        {
+            return checkForCssStyle("pattern", maSvgStyleAttributes);
+        }
+
+        void SvgPatternNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent)
+        {
+            // call parent
+            SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
+
+            // read style attributes
+            maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false);
+
+            // parse own
+            switch(aSVGToken)
+            {
+                case SVGToken::Style:
+                {
+                    readLocalCssStyle(aContent);
+                    break;
+                }
+                case SVGToken::ViewBox:
+                {
+                    const basegfx::B2DRange aRange(readViewBox(aContent, *this));
+
+                    if(!aRange.isEmpty())
+                    {
+                        setViewBox(&aRange);
+                    }
+                    break;
+                }
+                case SVGToken::PreserveAspectRatio:
+                {
+                    maSvgAspectRatio = readSvgAspectRatio(aContent);
+                    break;
+                }
+                case SVGToken::X:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        maX = aNum;
+                    }
+                    break;
+                }
+                case SVGToken::Y:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        maY = aNum;
+                    }
+                    break;
+                }
+                case SVGToken::Width:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        if(aNum.isPositive())
+                        {
+                            maWidth = aNum;
+                        }
+                    }
+                    break;
+                }
+                case SVGToken::Height:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        if(aNum.isPositive())
+                        {
+                            maHeight = aNum;
+                        }
+                    }
+                    break;
+                }
+                case SVGToken::PatternUnits:
+                {
+                    if(!aContent.isEmpty())
+                    {
+                        if(aContent.match(commonStrings::aStrUserSpaceOnUse))
+                        {
+                            setPatternUnits(SvgUnits::userSpaceOnUse);
+                        }
+                        else if(aContent.match(commonStrings::aStrObjectBoundingBox))
+                        {
+                            setPatternUnits(SvgUnits::objectBoundingBox);
+                        }
+                    }
+                    break;
+                }
+                case SVGToken::PatternContentUnits:
+                {
+                    if(!aContent.isEmpty())
+                    {
+                        if(aContent.match(commonStrings::aStrUserSpaceOnUse))
+                        {
+                            setPatternContentUnits(SvgUnits::userSpaceOnUse);
+                        }
+                        else if(aContent.match(commonStrings::aStrObjectBoundingBox))
+                        {
+                            setPatternContentUnits(SvgUnits::objectBoundingBox);
+                        }
+                    }
+                    break;
+                }
+                case SVGToken::PatternTransform:
+                {
+                    const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
+
+                    if(!aMatrix.isIdentity())
+                    {
+                        setPatternTransform(aMatrix);
+                    }
+                    break;
+                }
+                case SVGToken::Href:
+                case SVGToken::XlinkHref:
+                {
+                    const sal_Int32 nLen(aContent.getLength());
+
+                    if(nLen && '#' == aContent[0])
+                    {
+                        maXLink = aContent.copy(1);
+                        tryToFindLink();
+                    }
+                    break;
+                }
+                default:
+                {
+                    break;
+                }
+            }
+        }
+
+        void SvgPatternNode::getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode const & rUser) const
+        {
+            double fTargetWidth(rGeoRange.getWidth());
+            double fTargetHeight(rGeoRange.getHeight());
+
+            if(fTargetWidth <= 0.0 || fTargetHeight <= 0.0)
+                return;
+
+            const SvgUnits aPatternUnits(getPatternUnits() ? *getPatternUnits() : SvgUnits::objectBoundingBox);
+
+            if (SvgUnits::objectBoundingBox == aPatternUnits)
+            {
+                rfW = (getWidth().isSet()) ? getWidth().getNumber() : 0.0;
+                rfH = (getHeight().isSet()) ? getHeight().getNumber() : 0.0;
+
+                if(SvgUnit::percent == getWidth().getUnit())
+                {
+                    rfW *= 0.01;
+                }
+
+                if(SvgUnit::percent == getHeight().getUnit())
+                {
+                    rfH *= 0.01;
+                }
+            }
+            else
+            {
+                rfW = (getWidth().isSet()) ? getWidth().solve(rUser, NumberType::xcoordinate) : 0.0;
+                rfH = (getHeight().isSet()) ? getHeight().solve(rUser, NumberType::ycoordinate) : 0.0;
+
+                // make relative to rGeoRange
+                rfW /= fTargetWidth;
+                rfH /= fTargetHeight;
+            }
+
+            if(rfW <= 0.0 || rfH <= 0.0)
+                return;
+
+            if (SvgUnits::objectBoundingBox == aPatternUnits)
+            {
+                rfX = (getX().isSet()) ? getX().getNumber() : 0.0;
+                rfY = (getY().isSet()) ? getY().getNumber() : 0.0;
+
+                if(SvgUnit::percent == getX().getUnit())
+                {
+                    rfX *= 0.01;
+                }
+
+                if(SvgUnit::percent == getY().getUnit())
+                {
+                    rfY *= 0.01;
+                }
+            }
+            else
+            {
+                rfX = (getX().isSet()) ? getX().solve(rUser, NumberType::xcoordinate) : 0.0;
+                rfY = (getY().isSet()) ? getY().solve(rUser, NumberType::ycoordinate) : 0.0;
+
+                // make relative to rGeoRange
+                rfX = (rfX - rGeoRange.getMinX()) / fTargetWidth;
+                rfY = (rfY - rGeoRange.getMinY()) / fTargetHeight;
+            }
+        }
+
+        const drawinglayer::primitive2d::Primitive2DContainer& SvgPatternNode::getPatternPrimitives() const
+        {
+            if(aPrimitives.empty() && Display::None != getDisplay())
+            {
+                decomposeSvgNode(const_cast< SvgPatternNode* >(this)->aPrimitives, true);
+            }
+
+            if(aPrimitives.empty() && !maXLink.isEmpty())
+            {
+                const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+                if (mpXLink && !mbResolvingLink)
+                {
+                    mbResolvingLink = true;
+                    const drawinglayer::primitive2d::Primitive2DContainer& ret = mpXLink->getPatternPrimitives();
+                    mbResolvingLink = false;
+                    return ret;
+                }
+            }
+
+            return aPrimitives;
+        }
+
+        basegfx::B2DRange SvgPatternNode::getCurrentViewPort() const
+        {
+            if(getViewBox())
+            {
+                return *(getViewBox());
+            }
+            else
+            {
+                return SvgNode::getCurrentViewPort();
+            }
+        }
+
+        const basegfx::B2DRange* SvgPatternNode::getViewBox() const
+        {
+            if(mpViewBox)
+            {
+                return mpViewBox.get();
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                auto ret = mpXLink->getViewBox();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return nullptr;
+        }
+
+        const SvgAspectRatio& SvgPatternNode::getSvgAspectRatio() const
+        {
+            if(maSvgAspectRatio.isSet())
+            {
+                return maSvgAspectRatio;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                const SvgAspectRatio& ret = mpXLink->getSvgAspectRatio();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return maSvgAspectRatio;
+        }
+
+        const SvgNumber& SvgPatternNode::getX() const
+        {
+            if(maX.isSet())
+            {
+                return maX;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                const SvgNumber& ret = mpXLink->getX();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return maX;
+        }
+
+        const SvgNumber& SvgPatternNode::getY() const
+        {
+            if(maY.isSet())
+            {
+                return maY;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                const SvgNumber& ret = mpXLink->getY();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return maY;
+        }
+
+        const SvgNumber& SvgPatternNode::getWidth() const
+        {
+            if(maWidth.isSet())
+            {
+                return maWidth;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                const SvgNumber& ret = mpXLink->getWidth();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return maWidth;
+        }
+
+        const SvgNumber& SvgPatternNode::getHeight() const
+        {
+            if(maHeight.isSet())
+            {
+                return maHeight;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                const SvgNumber& ret = mpXLink->getHeight();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return maHeight;
+        }
+
+        const SvgUnits* SvgPatternNode::getPatternUnits() const
+        {
+            if(mpPatternUnits)
+            {
+                return mpPatternUnits.get();
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                auto ret = mpXLink->getPatternUnits();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return nullptr;
+        }
+
+        const SvgUnits* SvgPatternNode::getPatternContentUnits() const
+        {
+            if(mpPatternContentUnits)
+            {
+                return mpPatternContentUnits.get();
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                auto ret = mpXLink->getPatternContentUnits();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return nullptr;
+        }
+
+        std::optional<basegfx::B2DHomMatrix> SvgPatternNode::getPatternTransform() const
+        {
+            if(mpaPatternTransform)
+            {
+                return mpaPatternTransform;
+            }
+
+            const_cast< SvgPatternNode* >(this)->tryToFindLink();
+
+            if (mpXLink && !mbResolvingLink)
+            {
+                mbResolvingLink = true;
+                auto ret = mpXLink->getPatternTransform();
+                mbResolvingLink = false;
+                return ret;
+            }
+
+            return std::nullopt;
+        }
+
+} // end of namespace svgio::svgreader
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */