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-rw-r--r--vcl/source/gdi/svmconverter.cxx1245
1 files changed, 1245 insertions, 0 deletions
diff --git a/vcl/source/gdi/svmconverter.cxx b/vcl/source/gdi/svmconverter.cxx
new file mode 100644
index 000000000..d65b6c52f
--- /dev/null
+++ b/vcl/source/gdi/svmconverter.cxx
@@ -0,0 +1,1245 @@
+/* -*- 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 <algorithm>
+#include <string.h>
+
+#include <o3tl/safeint.hxx>
+#include <osl/thread.h>
+#include <tools/fract.hxx>
+#include <tools/stream.hxx>
+#include <vcl/dibtools.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/lineinfo.hxx>
+#include <vcl/metaact.hxx>
+#include <sal/log.hxx>
+#include <osl/diagnose.h>
+
+#include <TypeSerializer.hxx>
+#include <svmconverter.hxx>
+#include <memory>
+#include <stack>
+
+// Inlines
+static void ImplReadRect( SvStream& rIStm, tools::Rectangle& rRect )
+{
+ Point aTL;
+ Point aBR;
+
+ TypeSerializer aSerializer(rIStm);
+ aSerializer.readPoint(aTL);
+ aSerializer.readPoint(aBR);
+
+ rRect = tools::Rectangle( aTL, aBR );
+}
+
+static bool ImplReadPoly(SvStream& rIStm, tools::Polygon& rPoly)
+{
+ TypeSerializer aSerializer(rIStm);
+
+ sal_Int32 nSize32(0);
+ rIStm.ReadInt32(nSize32);
+ sal_uInt16 nSize = nSize32;
+
+ const size_t nMaxPossiblePoints = rIStm.remainingSize() / 2 * sizeof(sal_Int32);
+ if (nSize > nMaxPossiblePoints)
+ {
+ SAL_WARN("vcl.gdi", "svm record claims to have: " << nSize << " points, but only " << nMaxPossiblePoints << " possible");
+ return false;
+ }
+
+ rPoly = tools::Polygon(nSize);
+
+ for (sal_uInt16 i = 0; i < nSize && rIStm.good(); ++i)
+ {
+ aSerializer.readPoint(rPoly[i]);
+ }
+ return rIStm.good();
+}
+
+static bool ImplReadPolyPoly(SvStream& rIStm, tools::PolyPolygon& rPolyPoly)
+{
+ bool bSuccess = true;
+
+ tools::Polygon aPoly;
+ sal_Int32 nPolyCount32(0);
+ rIStm.ReadInt32(nPolyCount32);
+ sal_uInt16 nPolyCount = static_cast<sal_uInt16>(nPolyCount32);
+
+ for (sal_uInt16 i = 0; i < nPolyCount && rIStm.good(); ++i)
+ {
+ if (!ImplReadPoly(rIStm, aPoly))
+ {
+ bSuccess = false;
+ break;
+ }
+ rPolyPoly.Insert(aPoly);
+ }
+
+ return bSuccess && rIStm.good();
+}
+
+static void ImplReadColor( SvStream& rIStm, Color& rColor )
+{
+ sal_Int16 nVal(0);
+
+ rIStm.ReadInt16( nVal ); rColor.SetRed( sal::static_int_cast<sal_uInt8>(static_cast<sal_uInt16>(nVal) >> 8) );
+ rIStm.ReadInt16( nVal ); rColor.SetGreen( sal::static_int_cast<sal_uInt8>(static_cast<sal_uInt16>(nVal) >> 8) );
+ rIStm.ReadInt16( nVal ); rColor.SetBlue( sal::static_int_cast<sal_uInt8>(static_cast<sal_uInt16>(nVal) >> 8) );
+}
+
+static bool ImplReadMapMode(SvStream& rIStm, MapMode& rMapMode)
+{
+ sal_Int16 nUnit(0);
+ rIStm.ReadInt16(nUnit);
+
+ Point aOrg;
+ TypeSerializer aSerializer(rIStm);
+ aSerializer.readPoint(aOrg);
+
+ sal_Int32 nXNum(0), nXDenom(0), nYNum(0), nYDenom(0);
+ rIStm.ReadInt32(nXNum).ReadInt32(nXDenom).ReadInt32(nYNum).ReadInt32(nYDenom);
+
+ if (!rIStm.good() || nXDenom <= 0 || nYDenom <= 0 || nXNum <= 0 || nYNum <= 0)
+ {
+ SAL_WARN("vcl.gdi", "Parsing error: invalid mapmode fraction");
+ return false;
+ }
+
+ if (nUnit < sal_Int16(MapUnit::Map100thMM) || nUnit > sal_Int16(MapUnit::LAST))
+ {
+ SAL_WARN("vcl.gdi", "Parsing error: invalid mapmode");
+ return false;
+ }
+
+ rMapMode = MapMode(static_cast<MapUnit>(nUnit), aOrg, Fraction(nXNum, nXDenom), Fraction(nYNum, nYDenom));
+
+ return true;
+}
+
+static void ImplReadUnicodeComment( sal_uInt32 nStrmPos, SvStream& rIStm, OUString& rString )
+{
+ sal_uInt32 nOld = rIStm.Tell();
+ if ( nStrmPos )
+ {
+ sal_uInt16 nType;
+ sal_uInt32 nActionSize;
+ std::size_t nStringLen;
+
+ rIStm.Seek( nStrmPos );
+ rIStm .ReadUInt16( nType )
+ .ReadUInt32( nActionSize );
+
+ nStringLen = (nActionSize - 4) >> 1;
+
+ if ( nStringLen && ( nType == GDI_UNICODE_COMMENT ) )
+ rString = read_uInt16s_ToOUString(rIStm, nStringLen);
+ }
+ rIStm.Seek( nOld );
+}
+
+static void ImplSkipActions(SvStream& rIStm, sal_uLong nSkipCount)
+{
+ sal_Int32 nActionSize;
+ sal_Int16 nType;
+ for (sal_uLong i = 0; i < nSkipCount; ++i)
+ {
+ rIStm.ReadInt16(nType).ReadInt32(nActionSize);
+ if (!rIStm.good() || nActionSize < 4)
+ break;
+ rIStm.SeekRel(nActionSize - 4);
+ }
+}
+
+static void ImplReadExtendedPolyPolygonAction(SvStream& rIStm, tools::PolyPolygon& rPolyPoly)
+{
+ TypeSerializer aSerializer(rIStm);
+
+ rPolyPoly.Clear();
+ sal_uInt16 nPolygonCount(0);
+ rIStm.ReadUInt16( nPolygonCount );
+
+ if (!nPolygonCount)
+ return;
+
+ const size_t nMinRecordSize = sizeof(sal_uInt16);
+ const size_t nMaxRecords = rIStm.remainingSize() / nMinRecordSize;
+ if (nPolygonCount > nMaxRecords)
+ {
+ SAL_WARN("vcl.gdi", "Parsing error: " << nMaxRecords <<
+ " max possible entries, but " << nPolygonCount << " claimed, truncating");
+ nPolygonCount = nMaxRecords;
+ }
+
+ for(sal_uInt16 a(0); a < nPolygonCount; a++)
+ {
+ sal_uInt16 nPointCount(0);
+ rIStm.ReadUInt16(nPointCount);
+
+ const size_t nMinPolygonSize = sizeof(sal_Int32) * 2;
+ const size_t nMaxPolygons = rIStm.remainingSize() / nMinPolygonSize;
+ if (nPointCount > nMaxPolygons)
+ {
+ SAL_WARN("vcl.gdi", "Parsing error: " << nMaxPolygons <<
+ " max possible entries, but " << nPointCount << " claimed, truncating");
+ nPointCount = nMaxPolygons;
+ }
+
+ tools::Polygon aCandidate(nPointCount);
+
+ if (nPointCount)
+ {
+ for(sal_uInt16 b(0); b < nPointCount; b++)
+ {
+ aSerializer.readPoint(aCandidate[b]);
+ }
+
+ sal_uInt8 bHasFlags(int(false));
+ rIStm.ReadUChar( bHasFlags );
+
+ if(bHasFlags)
+ {
+ sal_uInt8 aPolyFlags(0);
+
+ for(sal_uInt16 c(0); c < nPointCount; c++)
+ {
+ rIStm.ReadUChar( aPolyFlags );
+ aCandidate.SetFlags(c, static_cast<PolyFlags>(aPolyFlags));
+ }
+ }
+ }
+
+ rPolyPoly.Insert(aCandidate);
+ }
+}
+
+SVMConverter::SVMConverter( SvStream& rStm, GDIMetaFile& rMtf )
+{
+ if( !rStm.GetError() )
+ {
+ ImplConvertFromSVM1( rStm, rMtf );
+ }
+}
+
+namespace
+{
+ sal_Int32 SkipActions(sal_Int32 i, sal_Int32 nFollowingActionCount, sal_Int32 nActions)
+ {
+ sal_Int32 remainingActions = nActions - i;
+ if (nFollowingActionCount < 0)
+ nFollowingActionCount = remainingActions;
+ return std::min(remainingActions, nFollowingActionCount);
+ }
+}
+
+#define LF_FACESIZE 32
+
+void static lcl_error( SvStream& rIStm, const SvStreamEndian& nOldFormat, sal_uLong nPos)
+{
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ rIStm.SetEndian(nOldFormat);
+ rIStm.Seek(nPos);
+ return;
+}
+void SVMConverter::ImplConvertFromSVM1( SvStream& rIStm, GDIMetaFile& rMtf )
+{
+ const sal_uLong nPos = rIStm.Tell();
+ const SvStreamEndian nOldFormat = rIStm.GetEndian();
+
+ rIStm.SetEndian( SvStreamEndian::LITTLE );
+
+ char aCode[ 5 ];
+ Size aPrefSz;
+
+ // read header
+ rIStm.ReadBytes(aCode, sizeof(aCode)); // Identifier
+ sal_Int16 nSize(0);
+ rIStm.ReadInt16( nSize ); // Size
+ sal_Int16 nVersion(0);
+ rIStm.ReadInt16( nVersion ); // Version
+ sal_Int32 nTmp32(0);
+ rIStm.ReadInt32( nTmp32 );
+ if (nTmp32 < 0)
+ {
+ SAL_WARN("vcl.gdi", "svm: value for width should be positive");
+ lcl_error(rIStm, nOldFormat, nPos);
+ return;
+ }
+ aPrefSz.setWidth( nTmp32 ); // PrefSize.Width()
+ rIStm.ReadInt32( nTmp32 );
+ if (nTmp32 < 0)
+ {
+ SAL_WARN("vcl.gdi", "svm: value for height should be positive");
+ lcl_error(rIStm, nOldFormat, nPos);
+ return;
+ }
+ aPrefSz.setHeight( nTmp32 ); // PrefSize.Height()
+
+ // check header-magic and version
+ if( rIStm.GetError()
+ || ( memcmp( aCode, "SVGDI", sizeof( aCode ) ) != 0 )
+ || ( nVersion != 200 ) )
+ {
+ SAL_WARN("vcl.gdi", "svm: wrong check for header-magic and version");
+ lcl_error(rIStm, nOldFormat, nPos);
+ return;
+ }
+
+ LineInfo aLineInfo( LineStyle::NONE, 0 );
+ std::stack<std::unique_ptr<LineInfo>> aLIStack;
+ ScopedVclPtrInstance< VirtualDevice > aFontVDev;
+ rtl_TextEncoding eActualCharSet = osl_getThreadTextEncoding();
+ bool bFatLine = false;
+
+ tools::Polygon aActionPoly;
+ tools::Rectangle aRect;
+ Point aPt, aPt1;
+ Size aSz;
+ Color aActionColor;
+
+ sal_uInt32 nUnicodeCommentStreamPos = 0;
+ sal_Int32 nUnicodeCommentActionNumber = 0;
+
+ rMtf.SetPrefSize(aPrefSz);
+
+ MapMode aMapMode;
+ if (ImplReadMapMode(rIStm, aMapMode)) // MapMode
+ rMtf.SetPrefMapMode(aMapMode);
+
+ sal_Int32 nActions(0);
+ rIStm.ReadInt32(nActions); // Action count
+ if (nActions < 0)
+ {
+ SAL_WARN("vcl.gdi", "svm claims negative action count (" << nActions << ")");
+ nActions = 0;
+ }
+
+ const size_t nMinActionSize = sizeof(sal_uInt16) + sizeof(sal_Int32);
+ const size_t nMaxPossibleActions = rIStm.remainingSize() / nMinActionSize;
+ if (o3tl::make_unsigned(nActions) > nMaxPossibleActions)
+ {
+ SAL_WARN("vcl.gdi", "svm claims more actions (" << nActions << ") than stream could provide, truncating");
+ nActions = nMaxPossibleActions;
+ }
+
+ size_t nLastPolygonAction(0);
+
+ TypeSerializer aSerializer(rIStm);
+
+ for (sal_Int32 i = 0; i < nActions && rIStm.good(); ++i)
+ {
+ sal_Int16 nType(0);
+ rIStm.ReadInt16(nType);
+ sal_Int32 nActBegin = rIStm.Tell();
+ sal_Int32 nActionSize(0);
+ rIStm.ReadInt32(nActionSize);
+
+ SAL_WARN_IF( ( nType > 33 ) && ( nType < 1024 ), "vcl.gdi", "Unknown GDIMetaAction while converting!" );
+
+ switch( nType )
+ {
+ case GDI_PIXEL_ACTION:
+ {
+ aSerializer.readPoint(aPt);
+ ImplReadColor( rIStm, aActionColor );
+ rMtf.AddAction( new MetaPixelAction( aPt, aActionColor ) );
+ }
+ break;
+
+ case GDI_POINT_ACTION:
+ {
+ aSerializer.readPoint(aPt);
+ rMtf.AddAction( new MetaPointAction( aPt ) );
+ }
+ break;
+
+ case GDI_LINE_ACTION:
+ {
+ aSerializer.readPoint(aPt);
+ aSerializer.readPoint(aPt1);
+ rMtf.AddAction( new MetaLineAction( aPt, aPt1, aLineInfo ) );
+ }
+ break;
+
+ case GDI_LINEJOIN_ACTION :
+ {
+ sal_Int16 nLineJoin(0);
+ rIStm.ReadInt16( nLineJoin );
+ aLineInfo.SetLineJoin(static_cast<basegfx::B2DLineJoin>(nLineJoin));
+ }
+ break;
+
+ case GDI_LINECAP_ACTION :
+ {
+ sal_Int16 nLineCap(0);
+ rIStm.ReadInt16( nLineCap );
+ aLineInfo.SetLineCap(static_cast<css::drawing::LineCap>(nLineCap));
+ }
+ break;
+
+ case GDI_LINEDASHDOT_ACTION :
+ {
+ sal_Int16 a(0);
+ sal_Int32 b(0);
+
+ rIStm.ReadInt16( a ); aLineInfo.SetDashCount(a);
+ rIStm.ReadInt32( b ); aLineInfo.SetDashLen(b);
+ rIStm.ReadInt16( a ); aLineInfo.SetDotCount(a);
+ rIStm.ReadInt32( b ); aLineInfo.SetDotLen(b);
+ rIStm.ReadInt32( b ); aLineInfo.SetDistance(b);
+
+ if(((aLineInfo.GetDashCount() && aLineInfo.GetDashLen())
+ || (aLineInfo.GetDotCount() && aLineInfo.GetDotLen()))
+ && aLineInfo.GetDistance())
+ {
+ aLineInfo.SetStyle(LineStyle::Dash);
+ }
+ }
+ break;
+
+ case GDI_EXTENDEDPOLYGON_ACTION :
+ {
+ // read the tools::PolyPolygon in every case
+ tools::PolyPolygon aInputPolyPolygon;
+ ImplReadExtendedPolyPolygonAction(rIStm, aInputPolyPolygon);
+
+ // now check if it can be set somewhere
+ if(nLastPolygonAction < rMtf.GetActionSize())
+ {
+ MetaPolyLineAction* pPolyLineAction = dynamic_cast< MetaPolyLineAction* >(rMtf.GetAction(nLastPolygonAction));
+
+ if(pPolyLineAction)
+ {
+ // replace MetaPolyLineAction when we have a single polygon. Do not rely on the
+ // same point count; the originally written GDI_POLYLINE_ACTION may have been
+ // Subdivided for better quality for older usages
+ if(1 == aInputPolyPolygon.Count())
+ {
+ rMtf.ReplaceAction(
+ new MetaPolyLineAction(
+ aInputPolyPolygon.GetObject(0),
+ pPolyLineAction->GetLineInfo()),
+ nLastPolygonAction);
+ }
+ }
+ else
+ {
+ MetaPolyPolygonAction* pPolyPolygonAction = dynamic_cast< MetaPolyPolygonAction* >(rMtf.GetAction(nLastPolygonAction));
+
+ if(pPolyPolygonAction)
+ {
+ // replace MetaPolyPolygonAction when we have a curved polygon. Do rely on the
+ // same sub-polygon count
+ if(pPolyPolygonAction->GetPolyPolygon().Count() == aInputPolyPolygon.Count())
+ {
+ rMtf.ReplaceAction(
+ new MetaPolyPolygonAction(
+ aInputPolyPolygon),
+ nLastPolygonAction);
+ }
+ }
+ else
+ {
+ MetaPolygonAction* pPolygonAction = dynamic_cast< MetaPolygonAction* >(rMtf.GetAction(nLastPolygonAction));
+
+ if(pPolygonAction)
+ {
+ // replace MetaPolygonAction
+ if(1 == aInputPolyPolygon.Count())
+ {
+ rMtf.ReplaceAction(
+ new MetaPolygonAction(
+ aInputPolyPolygon.GetObject(0)),
+ nLastPolygonAction);
+ }
+ }
+ }
+ }
+ }
+ }
+ break;
+
+ case GDI_RECT_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+ sal_Int32 nTmp(0), nTmp1(0);
+ rIStm.ReadInt32( nTmp ).ReadInt32( nTmp1 );
+
+ if( nTmp || nTmp1 )
+ rMtf.AddAction( new MetaRoundRectAction( aRect, nTmp, nTmp1 ) );
+ else
+ {
+ rMtf.AddAction( new MetaRectAction( aRect ) );
+
+ if( bFatLine )
+ rMtf.AddAction( new MetaPolyLineAction( aRect, aLineInfo ) );
+ }
+ }
+ break;
+
+ case GDI_ELLIPSE_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+
+ if( bFatLine )
+ {
+ const tools::Polygon aPoly( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 );
+
+ rMtf.AddAction( new MetaPushAction( PushFlags::LINECOLOR ) );
+ rMtf.AddAction( new MetaLineColorAction( COL_TRANSPARENT, false ) );
+ rMtf.AddAction( new MetaPolygonAction( aPoly ) );
+ rMtf.AddAction( new MetaPopAction() );
+ rMtf.AddAction( new MetaPolyLineAction( aPoly, aLineInfo ) );
+ }
+ else
+ rMtf.AddAction( new MetaEllipseAction( aRect ) );
+ }
+ break;
+
+ case GDI_ARC_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+ aSerializer.readPoint(aPt);
+ aSerializer.readPoint(aPt1);
+
+ if( bFatLine )
+ {
+ const tools::Polygon aPoly( aRect, aPt, aPt1, PolyStyle::Arc );
+
+ rMtf.AddAction( new MetaPushAction( PushFlags::LINECOLOR ) );
+ rMtf.AddAction( new MetaLineColorAction( COL_TRANSPARENT, false ) );
+ rMtf.AddAction( new MetaPolygonAction( aPoly ) );
+ rMtf.AddAction( new MetaPopAction() );
+ rMtf.AddAction( new MetaPolyLineAction( aPoly, aLineInfo ) );
+ }
+ else
+ rMtf.AddAction( new MetaArcAction( aRect, aPt, aPt1 ) );
+ }
+ break;
+
+ case GDI_PIE_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+ aSerializer.readPoint(aPt);
+ aSerializer.readPoint(aPt1);
+
+ if( bFatLine )
+ {
+ const tools::Polygon aPoly( aRect, aPt, aPt1, PolyStyle::Pie );
+
+ rMtf.AddAction( new MetaPushAction( PushFlags::LINECOLOR ) );
+ rMtf.AddAction( new MetaLineColorAction( COL_TRANSPARENT, false ) );
+ rMtf.AddAction( new MetaPolygonAction( aPoly ) );
+ rMtf.AddAction( new MetaPopAction() );
+ rMtf.AddAction( new MetaPolyLineAction( aPoly, aLineInfo ) );
+ }
+ else
+ rMtf.AddAction( new MetaPieAction( aRect, aPt, aPt1 ) );
+ }
+ break;
+
+ case GDI_INVERTRECT_ACTION:
+ case GDI_HIGHLIGHTRECT_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+ rMtf.AddAction( new MetaPushAction( PushFlags::RASTEROP ) );
+ rMtf.AddAction( new MetaRasterOpAction( RasterOp::Invert ) );
+ rMtf.AddAction( new MetaRectAction( aRect ) );
+ rMtf.AddAction( new MetaPopAction() );
+ }
+ break;
+
+ case GDI_POLYLINE_ACTION:
+ {
+ if (ImplReadPoly(rIStm, aActionPoly))
+ {
+ nLastPolygonAction = rMtf.GetActionSize();
+
+ if( bFatLine )
+ rMtf.AddAction( new MetaPolyLineAction( aActionPoly, aLineInfo ) );
+ else
+ rMtf.AddAction( new MetaPolyLineAction( aActionPoly ) );
+ }
+ }
+ break;
+
+ case GDI_POLYGON_ACTION:
+ {
+ if (ImplReadPoly(rIStm, aActionPoly))
+ {
+ if( bFatLine )
+ {
+ rMtf.AddAction( new MetaPushAction( PushFlags::LINECOLOR ) );
+ rMtf.AddAction( new MetaLineColorAction( COL_TRANSPARENT, false ) );
+ rMtf.AddAction( new MetaPolygonAction( aActionPoly ) );
+ rMtf.AddAction( new MetaPopAction() );
+ rMtf.AddAction( new MetaPolyLineAction( aActionPoly, aLineInfo ) );
+ }
+ else
+ {
+ nLastPolygonAction = rMtf.GetActionSize();
+ rMtf.AddAction( new MetaPolygonAction( aActionPoly ) );
+ }
+ }
+ }
+ break;
+
+ case GDI_POLYPOLYGON_ACTION:
+ {
+ tools::PolyPolygon aPolyPoly;
+
+ if (ImplReadPolyPoly(rIStm, aPolyPoly))
+ {
+ if( bFatLine )
+ {
+ rMtf.AddAction( new MetaPushAction( PushFlags::LINECOLOR ) );
+ rMtf.AddAction( new MetaLineColorAction( COL_TRANSPARENT, false ) );
+ rMtf.AddAction( new MetaPolyPolygonAction( aPolyPoly ) );
+ rMtf.AddAction( new MetaPopAction() );
+
+ for( sal_uInt16 nPoly = 0, nCount = aPolyPoly.Count(); nPoly < nCount; nPoly++ )
+ rMtf.AddAction( new MetaPolyLineAction( aPolyPoly[ nPoly ], aLineInfo ) );
+ }
+ else
+ {
+ nLastPolygonAction = rMtf.GetActionSize();
+ rMtf.AddAction( new MetaPolyPolygonAction( aPolyPoly ) );
+ }
+ }
+ }
+ break;
+
+ case GDI_FONT_ACTION:
+ {
+ vcl::Font aFont;
+ char aName[LF_FACESIZE+1];
+
+ ImplReadColor( rIStm, aActionColor ); aFont.SetColor( aActionColor );
+ ImplReadColor( rIStm, aActionColor ); aFont.SetFillColor( aActionColor );
+ size_t nRet = rIStm.ReadBytes(aName, LF_FACESIZE);
+ aName[nRet] = 0;
+ aFont.SetFamilyName( OUString( aName, strlen(aName), rIStm.GetStreamCharSet() ) );
+
+ sal_Int32 nWidth(0), nHeight(0);
+ rIStm.ReadInt32(nWidth).ReadInt32(nHeight);
+ sal_Int16 nCharOrient(0), nLineOrient(0);
+ rIStm.ReadInt16(nCharOrient).ReadInt16(nLineOrient);
+ sal_Int16 nCharSet(0), nFamily(0), nPitch(0), nAlign(0), nWeight(0), nUnderline(0), nStrikeout(0);
+ rIStm.ReadInt16(nCharSet).ReadInt16(nFamily).ReadInt16(nPitch).ReadInt16(nAlign).ReadInt16(nWeight).ReadInt16(nUnderline).ReadInt16(nStrikeout);
+ bool bItalic(false), bOutline(false), bShadow(false), bTransparent(false);
+ rIStm.ReadCharAsBool(bItalic).ReadCharAsBool(bOutline).ReadCharAsBool(bShadow).ReadCharAsBool(bTransparent);
+
+ aFont.SetFontSize( Size( nWidth, nHeight ) );
+ aFont.SetCharSet( static_cast<rtl_TextEncoding>(nCharSet) );
+ aFont.SetFamily( static_cast<FontFamily>(nFamily) );
+ aFont.SetPitch( static_cast<FontPitch>(nPitch) );
+ aFont.SetAlignment( static_cast<FontAlign>(nAlign) );
+ aFont.SetWeight( ( nWeight == 1 ) ? WEIGHT_LIGHT : ( nWeight == 2 ) ? WEIGHT_NORMAL :
+ ( nWeight == 3 ) ? WEIGHT_BOLD : WEIGHT_DONTKNOW );
+ aFont.SetUnderline( static_cast<FontLineStyle>(nUnderline) );
+ aFont.SetStrikeout( static_cast<FontStrikeout>(nStrikeout) );
+ aFont.SetItalic( bItalic ? ITALIC_NORMAL : ITALIC_NONE );
+ aFont.SetOutline( bOutline );
+ aFont.SetShadow( bShadow );
+ aFont.SetOrientation( nLineOrient );
+ aFont.SetTransparent( bTransparent );
+
+ eActualCharSet = aFont.GetCharSet();
+ if ( eActualCharSet == RTL_TEXTENCODING_DONTKNOW )
+ eActualCharSet = osl_getThreadTextEncoding();
+
+ rMtf.AddAction( new MetaFontAction( aFont ) );
+ rMtf.AddAction( new MetaTextAlignAction( aFont.GetAlignment() ) );
+ rMtf.AddAction( new MetaTextColorAction( aFont.GetColor() ) );
+ rMtf.AddAction( new MetaTextFillColorAction( aFont.GetFillColor(), !aFont.IsTransparent() ) );
+
+ // #106172# Track font relevant data in shadow VDev
+ aFontVDev->SetFont( aFont );
+ }
+ break;
+
+ case GDI_TEXT_ACTION:
+ {
+ sal_Int32 nIndex(0), nLen(0), nTmp(0);
+ aSerializer.readPoint(aPt);
+ rIStm.ReadInt32( nIndex ).ReadInt32( nLen ).ReadInt32( nTmp );
+ if (nTmp > 0)
+ {
+ OString aByteStr = read_uInt8s_ToOString(rIStm, nTmp);
+ sal_uInt8 nTerminator = 0;
+ rIStm.ReadUChar( nTerminator );
+ SAL_WARN_IF( nTerminator != 0, "vcl.gdi", "expected string to be NULL terminated" );
+
+ OUString aStr(OStringToOUString(aByteStr, eActualCharSet));
+ if ( nUnicodeCommentActionNumber == i )
+ ImplReadUnicodeComment( nUnicodeCommentStreamPos, rIStm, aStr );
+ rMtf.AddAction( new MetaTextAction( aPt, aStr, nIndex, nLen ) );
+ }
+
+ if (nActionSize < 24)
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ else
+ rIStm.Seek(nActBegin + nActionSize);
+ }
+ break;
+
+ case GDI_TEXTARRAY_ACTION:
+ {
+ sal_Int32 nIndex(0), nLen(0), nAryLen(0), nTmp(0);
+ aSerializer.readPoint(aPt);
+ rIStm.ReadInt32( nIndex ).ReadInt32( nLen ).ReadInt32( nTmp ).ReadInt32( nAryLen );
+ if (nTmp > 0)
+ {
+ OString aByteStr = read_uInt8s_ToOString(rIStm, nTmp);
+ sal_uInt8 nTerminator = 0;
+ rIStm.ReadUChar( nTerminator );
+ SAL_WARN_IF( nTerminator != 0, "vcl.gdi", "expected string to be NULL terminated" );
+
+ OUString aStr(OStringToOUString(aByteStr, eActualCharSet));
+
+ std::unique_ptr<long[]> pDXAry;
+ sal_Int32 nDXAryLen = 0;
+ if (nAryLen > 0)
+ {
+ const size_t nMinRecordSize = sizeof(sal_Int32);
+ const size_t nMaxRecords = rIStm.remainingSize() / nMinRecordSize;
+ if (o3tl::make_unsigned(nAryLen) > nMaxRecords)
+ {
+ SAL_WARN("vcl.gdi", "Parsing error: " << nMaxRecords <<
+ " max possible entries, but " << nAryLen << " claimed, truncating");
+ nAryLen = nMaxRecords;
+ }
+
+ sal_Int32 nStrLen( aStr.getLength() );
+
+ nDXAryLen = std::max(nAryLen, nStrLen);
+
+ if (nDXAryLen < nLen)
+ {
+ //MetaTextArrayAction ctor expects pDXAry to be >= nLen if set, so if this can't
+ //be achieved, don't read it, it's utterly broken.
+ SAL_WARN("vcl.gdi", "dxary too short, discarding completely");
+ rIStm.SeekRel(sizeof(sal_Int32) * nDXAryLen);
+ nLen = 0;
+ nIndex = 0;
+ }
+ else
+ {
+ pDXAry.reset(new long[nDXAryLen]);
+
+ for (sal_Int32 j = 0; j < nAryLen; ++j)
+ {
+ rIStm.ReadInt32( nTmp );
+ pDXAry[ j ] = nTmp;
+ }
+
+ // #106172# Add last DX array elem, if missing
+ if( nAryLen != nStrLen )
+ {
+ if (nAryLen+1 == nStrLen && nIndex >= 0)
+ {
+ std::unique_ptr<long[]> pTmpAry(new long[nStrLen]);
+
+ aFontVDev->GetTextArray( aStr, pTmpAry.get(), nIndex, nLen );
+
+ // now, the difference between the
+ // last and the second last DX array
+ // is the advancement for the last
+ // glyph. Thus, to complete our meta
+ // action's DX array, just add that
+ // difference to last elem and store
+ // in very last.
+ if( nStrLen > 1 )
+ pDXAry[ nStrLen-1 ] = pDXAry[ nStrLen-2 ] + pTmpAry[ nStrLen-1 ] - pTmpAry[ nStrLen-2 ];
+ else
+ pDXAry[ nStrLen-1 ] = pTmpAry[ nStrLen-1 ]; // len=1: 0th position taken to be 0
+ }
+#ifdef DBG_UTIL
+ else
+ OSL_FAIL("More than one DX array element missing on SVM import");
+#endif
+ }
+ }
+ }
+ if ( nUnicodeCommentActionNumber == i )
+ ImplReadUnicodeComment( nUnicodeCommentStreamPos, rIStm, aStr );
+ rMtf.AddAction( new MetaTextArrayAction( aPt, aStr, pDXAry.get(), nIndex, nLen ) );
+ }
+
+ if (nActionSize < 24)
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ else
+ rIStm.Seek(nActBegin + nActionSize);
+ }
+ break;
+
+ case GDI_STRETCHTEXT_ACTION:
+ {
+ sal_Int32 nIndex(0), nLen(0), nWidth(0), nTmp(0);
+
+ aSerializer.readPoint(aPt);
+ rIStm.ReadInt32( nIndex ).ReadInt32( nLen ).ReadInt32( nTmp ).ReadInt32( nWidth );
+ if (nTmp > 0)
+ {
+ OString aByteStr = read_uInt8s_ToOString(rIStm, nTmp);
+ sal_uInt8 nTerminator = 0;
+ rIStm.ReadUChar( nTerminator );
+ SAL_WARN_IF( nTerminator != 0, "vcl.gdi", "expected string to be NULL terminated" );
+
+ OUString aStr(OStringToOUString(aByteStr, eActualCharSet));
+ if ( nUnicodeCommentActionNumber == i )
+ ImplReadUnicodeComment( nUnicodeCommentStreamPos, rIStm, aStr );
+ rMtf.AddAction( new MetaStretchTextAction( aPt, nWidth, aStr, nIndex, nLen ) );
+ }
+
+ if (nActionSize < 28)
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ else
+ rIStm.Seek(nActBegin + nActionSize);
+ }
+ break;
+
+ case GDI_BITMAP_ACTION:
+ {
+ Bitmap aBmp;
+
+ aSerializer.readPoint(aPt);
+ ReadDIB(aBmp, rIStm, true);
+ rMtf.AddAction( new MetaBmpAction( aPt, aBmp ) );
+ }
+ break;
+
+ case GDI_BITMAPSCALE_ACTION:
+ {
+ Bitmap aBmp;
+
+ aSerializer.readPoint(aPt);
+ aSerializer.readSize(aSz);
+ ReadDIB(aBmp, rIStm, true);
+ rMtf.AddAction( new MetaBmpScaleAction( aPt, aSz, aBmp ) );
+ }
+ break;
+
+ case GDI_BITMAPSCALEPART_ACTION:
+ {
+ Bitmap aBmp;
+ Size aSz2;
+
+ aSerializer.readPoint(aPt);
+ aSerializer.readSize(aSz);
+ aSerializer.readPoint(aPt1);
+ aSerializer.readSize(aSz2);
+ ReadDIB(aBmp, rIStm, true);
+ rMtf.AddAction( new MetaBmpScalePartAction( aPt, aSz, aPt1, aSz2, aBmp ) );
+ }
+ break;
+
+ case GDI_PEN_ACTION:
+ {
+ sal_Int32 nPenWidth;
+ sal_Int16 nPenStyle;
+
+ ImplReadColor( rIStm, aActionColor );
+ rIStm.ReadInt32( nPenWidth ).ReadInt16( nPenStyle );
+
+ aLineInfo.SetStyle( nPenStyle ? LineStyle::Solid : LineStyle::NONE );
+ aLineInfo.SetWidth( nPenWidth );
+ bFatLine = nPenStyle && !aLineInfo.IsDefault();
+
+ rMtf.AddAction( new MetaLineColorAction( aActionColor, nPenStyle != 0 ) );
+ }
+ break;
+
+ case GDI_FILLBRUSH_ACTION:
+ {
+ sal_Int16 nBrushStyle;
+
+ ImplReadColor( rIStm, aActionColor );
+ rIStm.SeekRel( 6 );
+ rIStm.ReadInt16( nBrushStyle );
+ rMtf.AddAction( new MetaFillColorAction( aActionColor, nBrushStyle != 0 ) );
+ rIStm.SeekRel( 2 );
+ }
+ break;
+
+ case GDI_MAPMODE_ACTION:
+ {
+ if (ImplReadMapMode(rIStm, aMapMode))
+ {
+ rMtf.AddAction(new MetaMapModeAction(aMapMode));
+
+ // #106172# Track font relevant data in shadow VDev
+ aFontVDev->SetMapMode(aMapMode);
+ };
+ }
+ break;
+
+ case GDI_CLIPREGION_ACTION:
+ {
+ vcl::Region aRegion;
+ sal_Int16 nRegType;
+ sal_Int16 bIntersect;
+ bool bClip = false;
+
+ rIStm.ReadInt16( nRegType ).ReadInt16( bIntersect );
+ ImplReadRect( rIStm, aRect );
+
+ switch( nRegType )
+ {
+ case 0:
+ break;
+
+ case 1:
+ {
+ tools::Rectangle aRegRect;
+
+ ImplReadRect( rIStm, aRegRect );
+ aRegion = vcl::Region( aRegRect );
+ bClip = true;
+ }
+ break;
+
+ case 2:
+ {
+ if (ImplReadPoly(rIStm, aActionPoly))
+ {
+ aRegion = vcl::Region( aActionPoly );
+ bClip = true;
+ }
+ }
+ break;
+
+ case 3:
+ {
+ bool bSuccess = true;
+ tools::PolyPolygon aPolyPoly;
+ sal_Int32 nPolyCount32(0);
+ rIStm.ReadInt32(nPolyCount32);
+ sal_uInt16 nPolyCount(nPolyCount32);
+
+ for (sal_uInt16 j = 0; j < nPolyCount && rIStm.good(); ++j)
+ {
+ if (!ImplReadPoly(rIStm, aActionPoly))
+ {
+ bSuccess = false;
+ break;
+ }
+ aPolyPoly.Insert(aActionPoly);
+ }
+
+ if (bSuccess)
+ {
+ aRegion = vcl::Region( aPolyPoly );
+ bClip = true;
+ }
+ }
+ break;
+ }
+
+ if( bIntersect )
+ aRegion.Intersect( aRect );
+
+ rMtf.AddAction( new MetaClipRegionAction( aRegion, bClip ) );
+ }
+ break;
+
+ case GDI_MOVECLIPREGION_ACTION:
+ {
+ sal_Int32 nTmp(0), nTmp1(0);
+ rIStm.ReadInt32( nTmp ).ReadInt32( nTmp1 );
+ rMtf.AddAction( new MetaMoveClipRegionAction( nTmp, nTmp1 ) );
+ }
+ break;
+
+ case GDI_ISECTCLIPREGION_ACTION:
+ {
+ ImplReadRect( rIStm, aRect );
+ rMtf.AddAction( new MetaISectRectClipRegionAction( aRect ) );
+ }
+ break;
+
+ case GDI_RASTEROP_ACTION:
+ {
+ RasterOp eRasterOp;
+ sal_Int16 nRasterOp;
+
+ rIStm.ReadInt16( nRasterOp );
+
+ switch( nRasterOp )
+ {
+ case 1:
+ eRasterOp = RasterOp::Invert;
+ break;
+
+ case 4:
+ case 5:
+ eRasterOp = RasterOp::Xor;
+ break;
+
+ default:
+ eRasterOp = RasterOp::OverPaint;
+ break;
+ }
+
+ rMtf.AddAction( new MetaRasterOpAction( eRasterOp ) );
+ }
+ break;
+
+ case GDI_PUSH_ACTION:
+ {
+ aLIStack.push(std::make_unique<LineInfo>(aLineInfo));
+ rMtf.AddAction( new MetaPushAction( PushFlags::ALL ) );
+
+ // #106172# Track font relevant data in shadow VDev
+ aFontVDev->Push();
+ }
+ break;
+
+ case GDI_POP_ACTION:
+ {
+
+ std::unique_ptr<LineInfo> xLineInfo;
+ if (!aLIStack.empty())
+ {
+ xLineInfo = std::move(aLIStack.top());
+ aLIStack.pop();
+ }
+
+ // restore line info
+ if (xLineInfo)
+ {
+ aLineInfo = *xLineInfo;
+ xLineInfo.reset();
+ bFatLine = ( LineStyle::NONE != aLineInfo.GetStyle() ) && !aLineInfo.IsDefault();
+ }
+
+ rMtf.AddAction( new MetaPopAction() );
+
+ // #106172# Track font relevant data in shadow VDev
+ aFontVDev->Pop();
+ }
+ break;
+
+ case GDI_GRADIENT_ACTION:
+ {
+ Color aStartCol;
+ Color aEndCol;
+ sal_Int16 nStyle;
+ sal_Int16 nAngle;
+ sal_Int16 nBorder;
+ sal_Int16 nOfsX;
+ sal_Int16 nOfsY;
+ sal_Int16 nIntensityStart;
+ sal_Int16 nIntensityEnd;
+
+ ImplReadRect( rIStm, aRect );
+ rIStm.ReadInt16( nStyle );
+ ImplReadColor( rIStm, aStartCol );
+ ImplReadColor( rIStm, aEndCol );
+ rIStm.ReadInt16( nAngle ).ReadInt16( nBorder ).ReadInt16( nOfsX ).ReadInt16( nOfsY ).ReadInt16( nIntensityStart ).ReadInt16( nIntensityEnd );
+
+ Gradient aGrad( static_cast<GradientStyle>(nStyle), aStartCol, aEndCol );
+
+ aGrad.SetAngle( nAngle );
+ aGrad.SetBorder( nBorder );
+ aGrad.SetOfsX( nOfsX );
+ aGrad.SetOfsY( nOfsY );
+ aGrad.SetStartIntensity( nIntensityStart );
+ aGrad.SetEndIntensity( nIntensityEnd );
+ rMtf.AddAction( new MetaGradientAction( aRect, aGrad ) );
+ }
+ break;
+
+ case GDI_TRANSPARENT_COMMENT:
+ {
+ tools::PolyPolygon aPolyPoly;
+ sal_Int32 nFollowingActionCount(0);
+ sal_Int16 nTrans(0);
+
+ ReadPolyPolygon( rIStm, aPolyPoly );
+ rIStm.ReadInt16( nTrans ).ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaTransparentAction( aPolyPoly, nTrans ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_FLOATTRANSPARENT_COMMENT:
+ {
+ GDIMetaFile aMtf;
+ Point aPos;
+ Size aSize;
+ Gradient aGradient;
+ sal_Int32 nFollowingActionCount(0);
+
+ ReadGDIMetaFile( rIStm, aMtf );
+ aSerializer.readPoint(aPos);
+ aSerializer.readSize(aSize);
+ aSerializer.readGradient(aGradient);
+ rIStm.ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaFloatTransparentAction( aMtf, aPos, aSize, aGradient ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_HATCH_COMMENT:
+ {
+ tools::PolyPolygon aPolyPoly;
+ Hatch aHatch;
+ sal_Int32 nFollowingActionCount(0);
+
+ ReadPolyPolygon( rIStm, aPolyPoly );
+ ReadHatch( rIStm, aHatch );
+ rIStm.ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaHatchAction( aPolyPoly, aHatch ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_REFPOINT_COMMENT:
+ {
+ Point aRefPoint;
+ bool bSet;
+ sal_Int32 nFollowingActionCount(0);
+
+ aSerializer.readPoint(aRefPoint);
+ rIStm.ReadCharAsBool( bSet ).ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaRefPointAction( aRefPoint, bSet ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+
+ // #106172# Track font relevant data in shadow VDev
+ if( bSet )
+ aFontVDev->SetRefPoint( aRefPoint );
+ else
+ aFontVDev->SetRefPoint();
+ }
+ break;
+
+ case GDI_TEXTLINECOLOR_COMMENT:
+ {
+ Color aColor;
+ bool bSet;
+ sal_Int32 nFollowingActionCount(0);
+
+ aSerializer.readColor(aColor);
+ rIStm.ReadCharAsBool( bSet ).ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaTextLineColorAction( aColor, bSet ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_TEXTLINE_COMMENT:
+ {
+ Point aStartPt;
+ sal_Int32 nWidth(0);
+ sal_uInt32 nStrikeout(0);
+ sal_uInt32 nUnderline(0);
+ sal_Int32 nFollowingActionCount(0);
+
+ aSerializer.readPoint(aStartPt);
+ rIStm.ReadInt32(nWidth ).ReadUInt32(nStrikeout).ReadUInt32(nUnderline).ReadInt32(nFollowingActionCount);
+ ImplSkipActions(rIStm, nFollowingActionCount);
+ rMtf.AddAction( new MetaTextLineAction( aStartPt, nWidth,
+ static_cast<FontStrikeout>(nStrikeout),
+ static_cast<FontLineStyle>(nUnderline),
+ LINESTYLE_NONE ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_GRADIENTEX_COMMENT:
+ {
+ tools::PolyPolygon aPolyPoly;
+ Gradient aGradient;
+ sal_Int32 nFollowingActionCount(0);
+
+ ReadPolyPolygon( rIStm, aPolyPoly );
+ aSerializer.readGradient(aGradient);
+ rIStm.ReadInt32( nFollowingActionCount );
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction( new MetaGradientExAction( aPolyPoly, aGradient ) );
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_COMMENT_COMMENT:
+ {
+ std::vector<sal_uInt8> aData;
+
+ OString aComment = read_uInt16_lenPrefixed_uInt8s_ToOString(rIStm);
+ sal_Int32 nValue(0);
+ sal_uInt32 nDataSize(0);
+ rIStm.ReadInt32(nValue).ReadUInt32(nDataSize);
+
+ if (nDataSize)
+ {
+ const size_t nMaxPossibleData = rIStm.remainingSize();
+ if (nDataSize > nMaxPossibleActions)
+ {
+ SAL_WARN("vcl.gdi", "svm record claims to have: " << nDataSize << " data, but only " << nMaxPossibleData << " possible");
+ nDataSize = nMaxPossibleActions;
+ }
+ aData.resize(nDataSize);
+ nDataSize = rIStm.ReadBytes(aData.data(), nDataSize);
+ }
+
+ sal_Int32 nFollowingActionCount(0);
+ rIStm.ReadInt32(nFollowingActionCount);
+ ImplSkipActions( rIStm, nFollowingActionCount );
+ rMtf.AddAction(new MetaCommentAction(aComment, nValue, aData.data(), nDataSize));
+
+ i = SkipActions(i, nFollowingActionCount, nActions);
+ }
+ break;
+
+ case GDI_UNICODE_COMMENT:
+ {
+ nUnicodeCommentActionNumber = i + 1;
+ nUnicodeCommentStreamPos = rIStm.Tell() - 6;
+ if (nActionSize < 4)
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ else
+ rIStm.SeekRel(nActionSize - 4);
+ }
+ break;
+
+ default:
+ if (nActionSize < 4)
+ rIStm.SetError(SVSTREAM_FILEFORMAT_ERROR);
+ else
+ rIStm.SeekRel(nActionSize - 4);
+ break;
+ }
+ }
+
+ rIStm.SetEndian( nOldFormat );
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 21:22:17 +0000