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, 508 insertions, 0 deletions

diff --git a/svgio/source/svgreader/svggradientnode.cxx b/svgio/source/svgreader/svggradientnode.cxx
new file mode 100644
index 000000000000..74878d1ecb9e
--- /dev/null
+++ b/svgio/source/svgreader/svggradientnode.cxx
@@ -0,0 +1,508 @@
+/* -*- 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/svggradientnode.hxx>
+#include <svgio/svgreader/svgdocument.hxx>
+#include <svgio/svgreader/svggradientstopnode.hxx>
+
+//////////////////////////////////////////////////////////////////////////////
+
+namespace svgio
+{
+    namespace svgreader
+    {
+        void SvgGradientNode::tryToFindLink()
+        {
+            if(!mpXLink && maXLink.getLength())
+            {
+                mpXLink = dynamic_cast< const SvgGradientNode* >(getDocument().findSvgNodeById(maXLink));
+            }
+        }
+
+        SvgGradientNode::SvgGradientNode(
+            SVGToken aType,
+            SvgDocument& rDocument,
+            SvgNode* pParent)
+        :   SvgNode(aType, rDocument, pParent),
+            maSvgStyleAttributes(*this),
+            maX1(),
+            maY1(),
+            maX2(),
+            maY2(),
+            maCx(),
+            maCy(),
+            maR(),
+            maFx(),
+            maFy(),
+            maGradientUnits(objectBoundingBox),
+            maSpreadMethod(drawinglayer::primitive2d::Spread_pad),
+            mpaGradientTransform(0),
+            maXLink(),
+            mpXLink(0)
+        {
+        }
+
+        SvgGradientNode::~SvgGradientNode()
+        {
+            if(mpaGradientTransform) delete mpaGradientTransform;
+            // do NOT delete mpXLink, it's only referenced, not owned
+        }
+
+        const SvgStyleAttributes* SvgGradientNode::getSvgStyleAttributes() const
+        {
+            return &maSvgStyleAttributes;
+        }
+
+        void SvgGradientNode::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 SVGTokenX1:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setX1(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenY1:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setY1(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenX2:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setX2(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenY2:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setY2(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenCx:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setCx(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenCy:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setCy(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenFx:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setFx(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenFy:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        setFy(aNum);
+                    }
+                    break;
+                }
+                case SVGTokenR:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        if(aNum.isPositive())
+                        {
+                            setR(aNum);
+                        }
+                    }
+                    break;
+                }
+                case SVGTokenGradientUnits:
+                {
+                    if(aContent.getLength())
+                    {
+                        if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0))
+                        {
+                            setGradientUnits(userSpaceOnUse);
+                        }
+                        else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0))
+                        {
+                            setGradientUnits(objectBoundingBox);
+                        }
+                    }
+                    break;
+                }
+                case SVGTokenSpreadMethod:
+                {
+                    if(aContent.getLength())
+                    {
+                        static rtl::OUString aStrPad(rtl::OUString::createFromAscii("pad"));
+                        static rtl::OUString aStrReflect(rtl::OUString::createFromAscii("reflect"));
+                        static rtl::OUString aStrRepeat(rtl::OUString::createFromAscii("repeat"));
+
+                        if(aContent.match(aStrPad, 0))
+                        {
+                            setSpreadMethod(drawinglayer::primitive2d::Spread_pad);
+                        }
+                        else if(aContent.match(aStrReflect, 0))
+                        {
+                            setSpreadMethod(drawinglayer::primitive2d::Spread_reflect);
+                        }
+                        else if(aContent.match(aStrRepeat, 0))
+                        {
+                            setSpreadMethod(drawinglayer::primitive2d::Spread_repeat);
+                        }
+                    }
+                    break;
+                }
+                case SVGTokenGradientTransform:
+                {
+                    const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
+
+                    if(!aMatrix.isIdentity())
+                    {
+                        setGradientTransform(&aMatrix);
+                    }
+                    break;
+                }
+                case SVGTokenXlinkHref:
+                {
+                    const sal_Int32 nLen(aContent.getLength());
+
+                    if(nLen && sal_Unicode('#') == aContent[0])
+                    {
+                        maXLink = aContent.copy(1);
+                        tryToFindLink();
+                    }
+                    break;
+                }
+                default:
+                {
+                    break;
+                }
+            }
+        }
+
+        void SvgGradientNode::collectGradientEntries(drawinglayer::primitive2d::SvgGradientEntryVector& aVector) const
+        {
+            if(getChildren().empty())
+            {
+                const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+                if(mpXLink)
+                {
+                    mpXLink->collectGradientEntries(aVector);
+                }
+            }
+            else
+            {
+                const sal_uInt32 nCount(getChildren().size());
+
+                for(sal_uInt32 a(0); a < nCount; a++)
+                {
+                    const SvgGradientStopNode* pCandidate = dynamic_cast< const SvgGradientStopNode* >(getChildren()[a]);
+
+                    if(pCandidate)
+                    {
+                        const SvgStyleAttributes* pStyle = pCandidate->getSvgStyleAttributes();
+
+                        if(pStyle)
+                        {
+                            const SvgNumber aOffset(pCandidate->getOffset());
+                            double fOffset(0.0);
+
+                            if(Unit_percent == aOffset.getUnit())
+                            {
+                                // percent is not relative to distances in ColorStop context, solve locally
+                                fOffset = aOffset.getNumber() * 0.01;
+                            }
+                            else
+                            {
+                                fOffset = aOffset.solve(*this);
+                            }
+
+                            if(fOffset < 0.0)
+                            {
+                                OSL_ENSURE(false, "OOps, SvgGradientStopNode with offset out of range (!)");
+                                fOffset = 0.0;
+                            }
+                            else if(fOffset > 1.0)
+                            {
+                                OSL_ENSURE(false, "OOps, SvgGradientStopNode with offset out of range (!)");
+                                fOffset = 1.0;
+                            }
+
+                            aVector.push_back(
+                                drawinglayer::primitive2d::SvgGradientEntry(
+                                    fOffset,
+                                    pStyle->getStopColor(),
+                                    pStyle->getStopOpacity().solve(*this)));
+                        }
+                        else
+                        {
+                            OSL_ENSURE(false, "OOps, SvgGradientStopNode without Style (!)");
+                        }
+                    }
+                }
+            }
+        }
+
+        const SvgNumber SvgGradientNode::getX1() const
+        {
+            if(maX1.isSet())
+            {
+                return maX1;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getX1();
+            }
+
+            // default is 0%
+            return SvgNumber(0.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getY1() const
+        {
+            if(maY1.isSet())
+            {
+                return maY1;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getY1();
+            }
+
+            // default is 0%
+            return SvgNumber(0.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getX2() const
+        {
+            if(maX2.isSet())
+            {
+                return maX2;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getX2();
+            }
+
+            // default is 100%
+            return SvgNumber(100.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getY2() const
+        {
+            if(maY2.isSet())
+            {
+                return maY2;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getY2();
+            }
+
+            // default is 0%
+            return SvgNumber(0.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getCx() const
+        {
+            if(maCx.isSet())
+            {
+                return maCx;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getCx();
+            }
+
+            // default is 50%
+            return SvgNumber(50.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getCy() const
+        {
+            if(maCy.isSet())
+            {
+                return maCy;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getCy();
+            }
+
+            // default is 50%
+            return SvgNumber(50.0, Unit_percent);
+        }
+
+        const SvgNumber SvgGradientNode::getR() const
+        {
+            if(maR.isSet())
+            {
+                return maR;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getR();
+            }
+
+            // default is 50%
+            return SvgNumber(50.0, Unit_percent);
+        }
+
+        const SvgNumber* SvgGradientNode::getFx() const
+        {
+            if(maFx.isSet())
+            {
+                return &maFx;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getFx();
+            }
+
+            return 0;
+        }
+
+        const SvgNumber* SvgGradientNode::getFy() const
+        {
+            if(maFy.isSet())
+            {
+                return &maFy;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getFy();
+            }
+
+            return 0;
+        }
+
+        const basegfx::B2DHomMatrix* SvgGradientNode::getGradientTransform() const
+        {
+            if(mpaGradientTransform)
+            {
+                return mpaGradientTransform;
+            }
+
+            const_cast< SvgGradientNode* >(this)->tryToFindLink();
+
+            if(mpXLink)
+            {
+                return mpXLink->getGradientTransform();
+            }
+
+            return 0;
+        }
+
+        void SvgGradientNode::setGradientTransform(const basegfx::B2DHomMatrix* pMatrix)
+        {
+            if(mpaGradientTransform)
+            {
+                delete mpaGradientTransform;
+                mpaGradientTransform = 0;
+            }
+
+            if(pMatrix)
+            {
+                mpaGradientTransform = new basegfx::B2DHomMatrix(*pMatrix);
+            }
+        }
+
+    } // end of namespace svgreader
+} // end of namespace svgio
+
+//////////////////////////////////////////////////////////////////////////////
+// eof
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */