re-base on ALv2 code. Includes (at least) relevant parts of:

    linecap: Reintegrating finished LineCap feature
    Patch contributed by Regina Henschel
    http://svn.apache.org/viewvc?view=revision&revision=1232507

    Patches contributed by Sven Jacobi
    impress212: #i81610# fixed animation export
    http://svn.apache.org/viewvc?view=revision&revision=1167620
    impress212: drawinglayer gbuild environment changes
    http://svn.apache.org/viewvc?view=revision&revision=1167627
    http://svn.apache.org/viewvc?view=revision&revision=1167628
    impress212: DffPropSet -> minor code improvements, removing table
    http://svn.apache.org/viewvc?view=revision&revision=1167634
    impress212: #158494# fixed excel import (text rotation)
    http://svn.apache.org/viewvc?view=revision&revision=1167638

    Patches contributed by Armin Le Grand
    Svg: Reintegrated Svg replacement from /branches/alg/svgreplavement
    http://svn.apache.org/viewvc?view=revision&revision=1220836
    #118728# changed indentifying definitions for Svg file detection
    http://svn.apache.org/viewvc?view=revision&revision=1229961
    #118838# LineGeometry creation for complicated cases optimized to
	create single Polygons
    http://svn.apache.org/viewvc?view=revision&revision=1236232
    #119176# corrected file type detection for SVG for svg files
	without xml header
    http://svn.apache.org/viewvc?view=revision&revision=1309445
    #118728# Extended Svg file detection
    http://svn.apache.org/viewvc?view=revision&revision=1230531
    #118529# solve break converters and convert commands for OLEs and images
    http://svn.apache.org/viewvc?view=revision&revision=1186168
    svg: added WaE changes from branch svgreplacement to trunc
    http://svn.apache.org/viewvc?view=revision&revision=1222974
    svg: corrected missing member initialization
    http://svn.apache.org/viewvc?view=revision&revision=1226134
    fix for #118525#: Using primitives for chart sub-geometry visualisation
    http://svn.apache.org/viewvc?view=revision&revision=1226879
    #118898# Adapted ImpGraphic::ImplGetBitmap to correctly convert
	metafiles to bitmapEx ...
    http://svn.apache.org/viewvc?view=revision&revision=1293316
    fix for #118525#: removed no longer used variable maOriginalMapMode, one
    more exception eliminated
    http://svn.apache.org/viewvc?view=revision&revision=1227097
    #16758# Added buffering to the VDev usages of the VclProcessor2D derivates...
    http://svn.apache.org/viewvc?view=revision&revision=1229521
    #116758# Secured VDev buffer device to Vcl deinit
    http://svn.apache.org/viewvc?view=revision&revision=1230574
    #116758# added remembering allocated VDevs for VDevBuffer to be able to also
    delete these when vcl goes down; it should never happen, but You never know
    http://svn.apache.org/viewvc?view=revision&revision=1230927
    #118730# Changed SvgClipPathNode to use MaskPrimitive2D for primitive
	representation instead of TransparencePrimitive2D
    http://svn.apache.org/viewvc?view=revision&revision=1231198
    #118822# secured 3D geometry creation (slices) by subdividing the 2D
    source polyPolygon early
    http://svn.apache.org/viewvc?view=revision&revision=1234749
    #118829# enhanced Svg gradient quality, obstacles avoided
    http://svn.apache.org/viewvc?view=revision&revision=1235361
    #118834# Unified usage of TextBreakupHelper as single tooling class
    for i18n text primitive breakup
    http://svn.apache.org/viewvc?view=revision&revision=1236110
    #118853# added square pixel size limit to conversion of
    TransparencePrimitive2D to Metafile action
    http://svn.apache.org/viewvc?view=revision&revision=1237656
    #118824# coreccted mirroring and boundrect when the graphicmanager
    is used for bitmap output
    http://svn.apache.org/viewvc?view=revision&revision=1240097
    #115092# Corrected VclProcessor2D::RenderPolygonStrokePrimitive2D for
    various optimization scenarios
    http://svn.apache.org/viewvc?view=revision&revision=1241434
    #118783# Corrected errors in ID strings, corrected Svg line/fill export,
    corrected polygon close state
    http://svn.apache.org/viewvc?view=revision&revision=1232006
    #118796# corrected null-pointer usage in SVG text exporter
    http://svn.apache.org/viewvc?view=revision&revision=1240262
    #118729# Use GraphicStreamUrl and GraphicUrl to allow multi image
    import with linked graphics, too
    http://svn.apache.org/viewvc?view=revision&revision=1229962
    #118898# corrected error in GDIMetaFile::GetBoundRect in handling
    MetaFloatTransparentAction
    http://svn.apache.org/viewvc?view=revision&revision=1293349
    #118855# Corrected handling of possibly created empty clipRegions
    after PolyPolygon clipping
    http://svn.apache.org/viewvc?view=revision&revision=1237725
	#115962# Better (but not yet optimal, see comments in task) handling
	of MetaFloatTransparentAction in PDF export
	http://svn.apache.org/viewvc?view=revision&revision=1241078
    IP clearance: #118466# This patch removes librsvg, libcroco, libgsf, ...
    http://svn.apache.org/viewvc?view=revision&revision=1200879
    118779# Added svg content streaming in/out to ImpGraphic stream operators
    http://svn.apache.org/viewvc?view=revision&revision=1231908
    linecap: correctons for WaE and mac drawing
    http://svn.apache.org/viewvc?view=revision&revision=1232793
    svg: uses current system Dpi for Svg replacement image creation
    http://svn.apache.org/viewvc?view=revision&revision=1233948

    Patches contributed by Mathias Bauer (and others)
    gnumake4 work variously
    http://svn.apache.org/viewvc?view=revision&revision=1394326
    http://svn.apache.org/viewvc?view=revision&revision=1396797
    http://svn.apache.org/viewvc?view=revision&revision=1397315
    http://svn.apache.org/viewvc?view=revision&revision=1394326
    Remove duplicate header includes.
    cws mba34issues01: #i117720#: convert assertion into warning
    http://svn.apache.org/viewvc?view=revision&revision=1172352
    118485 - Styles for OLEs are not saved. Submitted by Armin Le Grand.
    http://svn.apache.org/viewvc?view=revision&revision=1182166
    cws mba34issues01: #i117714#: remove assertion
    http://svn.apache.org/viewvc?view=revision&revision=1172357

    Patch contributed by Jurgen Schmidt
    add some additional checks to ensure proper reading operations
    http://svn.apache.org/viewvc?view=revision&revision=1209022
    mostly prefer our stream / bounds checking work.

    Patches contributed by Herbert Duerr
    #i118816# add clarifying comment regarding Font::*Color*() methods
    http://svn.apache.org/viewvc?view=revision&revision=1233833
    extend macro->string handling for empty strings
    http://svn.apache.org/viewvc?view=revision&revision=1175801
    avoid magic constants for SALCOLOR_NONE
    http://svn.apache.org/viewvc?view=revision&revision=1177543
    initialize slant properly in ImplFontMetricData constructor (author=iorsh)
    http://svn.apache.org/viewvc?view=revision&revision=1177551
    #i118675# make check for extension updates more stable
    http://svn.apache.org/viewvc?view=revision&revision=1214797
    #a118617# remove VBasicEventListener.dll binary
    There are no known users depending on its CLSID
    http://svn.apache.org/viewvc?view=revision&revision=1203697

    Patches contributed by Ariel Constenla-Haile
    Fix build breaker on Linux/gcc
    http://svn.apache.org/viewvc?view=revision&revision=1221104
    Fix crash when trying to instantiate css.graphic.GraphicRasterizer_RSVG
    http://svn.apache.org/viewvc?view=revision&revision=1215559

    Patches contributed by Oliver-Rainer Wittmann
    sw34bf06: #i117962# - method <SwFlyFrm::IsPaint(..)> - consider
    instances of <SwFlyDrawObj>
    http://svn.apache.org/viewvc?view=revision&revision=1172120
    sw34bf06: #i117783# - Writer's implementation of XPagePrintable -
    apply print settings to new printing routines
    http://svn.apache.org/viewvc?view=revision&revision=1172115

    gnumake4 work variously from Hans-Joachim Lankenau
    http://svn.apache.org/viewvc?view=revision&revision=1397315
    http://svn.apache.org/viewvc?view=revision&revision=1396797
    http://svn.apache.org/viewvc?view=revision&revision=1396782
    http://svn.apache.org/viewvc?view=revision&revision=1394707
    plus some amount of re-splitting of legacy headers.

    Patch contributed by Pavel Janik
    WaE: Remove unused variables.
    http://svn.apache.org/viewvc?view=revision&revision=1230697

    Patches contributed by Takashi Ono
    mingwport35: i#117795: MinGW port fix for vcl2gnumake
    http://svn.apache.org/viewvc?view=revision&revision=1172091
    mingwport35: i#117795: MinGW port fix for vcl2gnumake
    http://svn.apache.org/viewvc?view=revision&revision=1172091

    Patch contributed by Christian Lippka
    impress212: #i98044# re enable Text menu for outline and title shapes
    http://svn.apache.org/viewvc?view=revision&revision=1167639

    Patch contributed by Andre Fischer
    118674: Made category B code optional and disabled by default.
    http://svn.apache.org/viewvc?view=revision&revision=1215131
    118881: Ignore empty paragraphs after bullets.
    http://svn.apache.org/viewvc?view=revision&revision=1296205

    Patches contributed by Philipp Lohmann
    ooo340fixes: #i117780# use rtl allocator
    http://svn.apache.org/viewvc?view=revision&revision=1172087
    ooo34gsl02: #i117807# fix an off by one error (index actually
    inside the pfb section header)
    http://svn.apache.org/viewvc?view=revision&revision=1167576

various cleanups, related compilation fixes, warning cleanups, re-working
of obsolete stl template pieces to use boost instead, changed string
classes, re-adapt KDE about data, about dialog, fixing warnings,
and other fixes & improvements.
Disable svg import / render for about/ branding code-paths for now.
Restore full icon theme set.
Remove OS/2 conditionals and sources.
Remove conflicting gtk/full-screen monitors support.
Retain existing svg rasterizer files - temporarily disabled.
Standardize stringificaiton and fixup dllpostfix issues.
Rename SvgGradientHelper::== to equalTo to avoid overloading issues.
Use the flat GdiPlus API for LineCaps calls.

1 files changed, 203 insertions, 0 deletions

diff --git a/svgio/source/svgreader/svgclippathnode.cxx b/svgio/source/svgreader/svgclippathnode.cxx
new file mode 100644
index 000000000000..5c271400d5f0
--- /dev/null
+++ b/svgio/source/svgreader/svgclippathnode.cxx
@@ -0,0 +1,203 @@
+/* -*- 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 <svgio/svgreader/svgclippathnode.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
+#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <drawinglayer/geometry/viewinformation2d.hxx>
+#include <drawinglayer/processor2d/contourextractor2d.hxx>
+#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace svgio
+{
+    namespace svgreader
+    {
+        SvgClipPathNode::SvgClipPathNode(
+            SvgDocument& rDocument,
+            SvgNode* pParent)
+        :   SvgNode(SVGTokenClipPathNode, rDocument, pParent),
+            maSvgStyleAttributes(*this),
+            mpaTransform(0),
+            maClipPathUnits(userSpaceOnUse)
+        {
+        }
+
+        SvgClipPathNode::~SvgClipPathNode()
+        {
+            if(mpaTransform) delete mpaTransform;
+        }
+
+        const SvgStyleAttributes* SvgClipPathNode::getSvgStyleAttributes() const
+        {
+            return &maSvgStyleAttributes;
+        }
+
+        void SvgClipPathNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent)
+        {
+            // call parent
+            SvgNode::parseAttribute(rTokenName, aSVGToken, aContent);
+
+            // read style attributes
+            maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent);
+
+            // parse own
+            switch(aSVGToken)
+            {
+                case SVGTokenStyle:
+                {
+                    maSvgStyleAttributes.readStyle(aContent);
+                    break;
+                }
+                case SVGTokenTransform:
+                {
+                    const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
+
+                    if(!aMatrix.isIdentity())
+                    {
+                        setTransform(&aMatrix);
+                    }
+                    break;
+                }
+                case SVGTokenClipPathUnits:
+                {
+                    if(aContent.getLength())
+                    {
+                        if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0))
+                        {
+                            setClipPathUnits(userSpaceOnUse);
+                        }
+                        else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0))
+                        {
+                            setClipPathUnits(objectBoundingBox);
+                        }
+                    }
+                    break;
+                }
+                default:
+                {
+                    break;
+                }
+            }
+        }
+
+        void SvgClipPathNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const
+        {
+            drawinglayer::primitive2d::Primitive2DSequence aNewTarget;
+
+            // decompose childs
+            SvgNode::decomposeSvgNode(aNewTarget, bReferenced);
+
+            if(aNewTarget.hasElements())
+            {
+                if(getTransform())
+                {
+                    // create embedding group element with transformation
+                    const drawinglayer::primitive2d::Primitive2DReference xRef(
+                        new drawinglayer::primitive2d::TransformPrimitive2D(
+                            *getTransform(),
+                            aNewTarget));
+
+                    drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(rTarget, xRef);
+                }
+                else
+                {
+                    // append to current target
+                    drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewTarget);
+                }
+            }
+        }
+
+        void SvgClipPathNode::apply(drawinglayer::primitive2d::Primitive2DSequence& rContent) const
+        {
+            if(rContent.hasElements())
+            {
+                const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
+                drawinglayer::primitive2d::Primitive2DSequence aClipTarget;
+                basegfx::B2DPolyPolygon aClipPolyPolygon;
+
+                // get clipPath definition as primitives
+                decomposeSvgNode(aClipTarget, true);
+
+                if(aClipTarget.hasElements())
+                {
+                    // extract filled plygons as base for a mask PolyPolygon
+                    drawinglayer::processor2d::ContourExtractor2D aExtractor(aViewInformation2D, true);
+
+                    aExtractor.process(aClipTarget);
+
+                    const basegfx::B2DPolyPolygonVector& rResult(aExtractor.getExtractedContour());
+                    const sal_uInt32 nSize(rResult.size());
+
+                    if(nSize > 1)
+                    {
+                        // merge to single clipPolyPolygon
+                        aClipPolyPolygon = basegfx::tools::mergeToSinglePolyPolygon(rResult);
+                    }
+                    else
+                    {
+                        aClipPolyPolygon = rResult[0];
+                    }
+                }
+
+                if(aClipPolyPolygon.count())
+                {
+                    if(objectBoundingBox == getClipPathUnits())
+                    {
+                        // clip is object-relative, transform using content transformation
+                        const basegfx::B2DRange aContentRange(
+                            drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence(
+                                rContent,
+                                aViewInformation2D));
+
+                        aClipPolyPolygon.transform(
+                            basegfx::tools::createScaleTranslateB2DHomMatrix(
+                                aContentRange.getRange(),
+                                aContentRange.getMinimum()));
+                    }
+
+                    // redefine target. Use MaskPrimitive2D with created clip
+                    // geometry. Using the automatically set mbIsClipPathContent at
+                    // SvgStyleAttributes the clip definition is without fill, stroke,
+                    // and strokeWidth and forced to black
+                    const drawinglayer::primitive2d::Primitive2DReference xEmbedTransparence(
+                        new drawinglayer::primitive2d::MaskPrimitive2D(
+                            aClipPolyPolygon,
+                            rContent));
+
+                    rContent = drawinglayer::primitive2d::Primitive2DSequence(&xEmbedTransparence, 1);
+                }
+                else
+                {
+                    // An empty clipping path will completely clip away the element that had
+                    // the ‘clip-path’ property applied. (Svg spec)
+                    rContent.realloc(0);
+                }
+            }
+        }
+
+    } // end of namespace svgreader
+} // end of namespace svgio
+
+//////////////////////////////////////////////////////////////////////////////
+// eof
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */