diff options
Diffstat (limited to 'emfio/source/reader')
| -rw-r--r-- | emfio/source/reader/emfreader.cxx | 2230 | ||||
| -rw-r--r-- | emfio/source/reader/mtftools.cxx | 2528 | ||||
| -rw-r--r-- | emfio/source/reader/wmfreader.cxx | 2015 |
3 files changed, 6773 insertions, 0 deletions
diff --git a/emfio/source/reader/emfreader.cxx b/emfio/source/reader/emfreader.cxx new file mode 100644 index 000000000..1613fd859 --- /dev/null +++ b/emfio/source/reader/emfreader.cxx @@ -0,0 +1,2230 @@ +/* -*- 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 <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/polygon/b2dpolypolygoncutter.hxx> +#include <emfreader.hxx> +#include <sal/log.hxx> +#include <osl/diagnose.h> +#include <vcl/dibtools.hxx> +#include <o3tl/safeint.hxx> +#include <tools/stream.hxx> +#include <memory> +#include <unotools/configmgr.hxx> +#include <vcl/graph.hxx> +#include <vcl/pdfread.hxx> +#include <rtl/bootstrap.hxx> + +#ifdef DBG_UTIL +#include <vcl/pngwrite.hxx> +#endif + +// GDI-Array + +#define EMR_HEADER 1 +#define EMR_POLYBEZIER 2 +#define EMR_POLYGON 3 +#define EMR_POLYLINE 4 +#define EMR_POLYBEZIERTO 5 +#define EMR_POLYLINETO 6 +#define EMR_POLYPOLYLINE 7 +#define EMR_POLYPOLYGON 8 +#define EMR_SETWINDOWEXTEX 9 +#define EMR_SETWINDOWORGEX 10 +#define EMR_SETVIEWPORTEXTEX 11 +#define EMR_SETVIEWPORTORGEX 12 +#define EMR_SETBRUSHORGEX 13 +#define EMR_EOF 14 +#define EMR_SETPIXELV 15 +#define EMR_SETMAPPERFLAGS 16 +#define EMR_SETMAPMODE 17 +#define EMR_SETBKMODE 18 +#define EMR_SETPOLYFILLMODE 19 +#define EMR_SETROP2 20 +#define EMR_SETSTRETCHBLTMODE 21 +#define EMR_SETTEXTALIGN 22 +#define EMR_SETCOLORADJUSTMENT 23 +#define EMR_SETTEXTCOLOR 24 +#define EMR_SETBKCOLOR 25 +#define EMR_OFFSETCLIPRGN 26 +#define EMR_MOVETOEX 27 +#define EMR_SETMETARGN 28 +#define EMR_EXCLUDECLIPRECT 29 +#define EMR_INTERSECTCLIPRECT 30 +#define EMR_SCALEVIEWPORTEXTEX 31 +#define EMR_SCALEWINDOWEXTEX 32 +#define EMR_SAVEDC 33 +#define EMR_RESTOREDC 34 +#define EMR_SETWORLDTRANSFORM 35 +#define EMR_MODIFYWORLDTRANSFORM 36 +#define EMR_SELECTOBJECT 37 +#define EMR_CREATEPEN 38 +#define EMR_CREATEBRUSHINDIRECT 39 +#define EMR_DELETEOBJECT 40 +#define EMR_ANGLEARC 41 +#define EMR_ELLIPSE 42 +#define EMR_RECTANGLE 43 +#define EMR_ROUNDRECT 44 +#define EMR_ARC 45 +#define EMR_CHORD 46 +#define EMR_PIE 47 +#define EMR_SELECTPALETTE 48 +#define EMR_CREATEPALETTE 49 +#define EMR_SETPALETTEENTRIES 50 +#define EMR_RESIZEPALETTE 51 +#define EMR_REALIZEPALETTE 52 +#define EMR_EXTFLOODFILL 53 +#define EMR_LINETO 54 +#define EMR_ARCTO 55 +#define EMR_POLYDRAW 56 +#define EMR_SETARCDIRECTION 57 +#define EMR_SETMITERLIMIT 58 +#define EMR_BEGINPATH 59 +#define EMR_ENDPATH 60 +#define EMR_CLOSEFIGURE 61 +#define EMR_FILLPATH 62 +#define EMR_STROKEANDFILLPATH 63 +#define EMR_STROKEPATH 64 +#define EMR_FLATTENPATH 65 +#define EMR_WIDENPATH 66 +#define EMR_SELECTCLIPPATH 67 +#define EMR_ABORTPATH 68 + +#define EMR_COMMENT 70 // Contains arbitrary private data. +// Comment Identifiers: +#define EMR_COMMENT_EMFPLUS 0x2B464D45 // Contains embedded EMF+ records. +#define EMR_COMMENT_EMFSPOOL 0x00000000 // Contains embedded EMFSPOOL records. +#define EMR_COMMENT_PUBLIC 0x43494447 // Specify extensions to EMF processing. + +#define EMR_FILLRGN 71 +#define EMR_FRAMERGN 72 +#define EMR_INVERTRGN 73 +#define EMR_PAINTRGN 74 +#define EMR_EXTSELECTCLIPRGN 75 +#define EMR_BITBLT 76 +#define EMR_STRETCHBLT 77 +#define EMR_MASKBLT 78 +#define EMR_PLGBLT 79 +#define EMR_SETDIBITSTODEVICE 80 +#define EMR_STRETCHDIBITS 81 +#define EMR_EXTCREATEFONTINDIRECTW 82 +#define EMR_EXTTEXTOUTA 83 +#define EMR_EXTTEXTOUTW 84 +#define EMR_POLYBEZIER16 85 +#define EMR_POLYGON16 86 +#define EMR_POLYLINE16 87 +#define EMR_POLYBEZIERTO16 88 +#define EMR_POLYLINETO16 89 +#define EMR_POLYPOLYLINE16 90 +#define EMR_POLYPOLYGON16 91 +#define EMR_POLYDRAW16 92 +#define EMR_CREATEMONOBRUSH 93 +#define EMR_CREATEDIBPATTERNBRUSHPT 94 +#define EMR_EXTCREATEPEN 95 +#define EMR_POLYTEXTOUTA 96 +#define EMR_POLYTEXTOUTW 97 + +// WINDOWS VERSION >= 0x400 +#define EMR_SETICMMODE 98 +#define EMR_CREATECOLORSPACE 99 +#define EMR_SETCOLORSPACE 100 +#define EMR_DELETECOLORSPACE 101 +#define EMR_GLSRECORD 102 +#define EMR_GLSBOUNDEDRECORD 103 +#define EMR_PIXELFORMAT 104 + +// WINDOWS VERSION >= 0x500 +#define EMR_DRAWESCAPE 105 +#define EMR_EXTESCAPE 106 +#define EMR_STARTDOC 107 +#define EMR_SMALLTEXTOUT 108 +#define EMR_FORCEUFIMAPPING 109 +#define EMR_NAMEDESCAPE 110 +#define EMR_COLORCORRECTPALETTE 111 +#define EMR_SETICMPROFILEA 112 +#define EMR_SETICMPROFILEW 113 +#define EMR_ALPHABLEND 114 +#define EMR_ALPHADIBBLEND 115 +#define EMR_TRANSPARENTBLT 116 +#define EMR_TRANSPARENTDIB 117 +#define EMR_GRADIENTFILL 118 +#define EMR_SETLINKEDUFIS 119 +#define EMR_SETTEXTJUSTIFICATION 120 + +#define PDF_SIGNATURE 0x50444620 // "PDF " + +/* [MS-EMF] - v20210625 - page 28 */ +constexpr sal_Int32 ARCDIRECTION_CLOCKWISE = 0x00000002; + +namespace +{ + +const char * +record_type_name(sal_uInt32 nRecType) +{ +#ifndef SAL_LOG_INFO + (void) nRecType; + return ""; +#else + switch( nRecType ) + { + case EMR_HEADER: return "HEADER"; + case EMR_POLYBEZIER: return "POLYBEZIER"; + case EMR_POLYGON: return "POLYGON"; + case EMR_POLYLINE: return "POLYLINE"; + case EMR_POLYBEZIERTO: return "POLYBEZIERTO"; + case EMR_POLYLINETO: return "POLYLINETO"; + case EMR_POLYPOLYLINE: return "POLYPOLYLINE"; + case EMR_POLYPOLYGON: return "POLYPOLYGON"; + case EMR_SETWINDOWEXTEX: return "SETWINDOWEXTEX"; + case EMR_SETWINDOWORGEX: return "SETWINDOWORGEX"; + case EMR_SETVIEWPORTEXTEX: return "SETVIEWPORTEXTEX"; + case EMR_SETVIEWPORTORGEX: return "SETVIEWPORTORGEX"; + case EMR_SETBRUSHORGEX: return "SETBRUSHORGEX"; + case EMR_EOF: return "EOF"; + case EMR_SETPIXELV: return "SETPIXELV"; + case EMR_SETMAPPERFLAGS: return "SETMAPPERFLAGS"; + case EMR_SETMAPMODE: return "SETMAPMODE"; + case EMR_SETBKMODE: return "SETBKMODE"; + case EMR_SETPOLYFILLMODE: return "SETPOLYFILLMODE"; + case EMR_SETROP2: return "SETROP2"; + case EMR_SETSTRETCHBLTMODE: return "SETSTRETCHBLTMODE"; + case EMR_SETTEXTALIGN: return "SETTEXTALIGN"; + case EMR_SETCOLORADJUSTMENT: return "SETCOLORADJUSTMENT"; + case EMR_SETTEXTCOLOR: return "SETTEXTCOLOR"; + case EMR_SETBKCOLOR: return "SETBKCOLOR"; + case EMR_OFFSETCLIPRGN: return "OFFSETCLIPRGN"; + case EMR_MOVETOEX: return "MOVETOEX"; + case EMR_SETMETARGN: return "SETMETARGN"; + case EMR_EXCLUDECLIPRECT: return "EXCLUDECLIPRECT"; + case EMR_INTERSECTCLIPRECT: return "INTERSECTCLIPRECT"; + case EMR_SCALEVIEWPORTEXTEX: return "SCALEVIEWPORTEXTEX"; + case EMR_SCALEWINDOWEXTEX: return "SCALEWINDOWEXTEX"; + case EMR_SAVEDC: return "SAVEDC"; + case EMR_RESTOREDC: return "RESTOREDC"; + case EMR_SETWORLDTRANSFORM: return "SETWORLDTRANSFORM"; + case EMR_MODIFYWORLDTRANSFORM: return "MODIFYWORLDTRANSFORM"; + case EMR_SELECTOBJECT: return "SELECTOBJECT"; + case EMR_CREATEPEN: return "CREATEPEN"; + case EMR_CREATEBRUSHINDIRECT: return "CREATEBRUSHINDIRECT"; + case EMR_DELETEOBJECT: return "DELETEOBJECT"; + case EMR_ANGLEARC: return "ANGLEARC"; + case EMR_ELLIPSE: return "ELLIPSE"; + case EMR_RECTANGLE: return "RECTANGLE"; + case EMR_ROUNDRECT: return "ROUNDRECT"; + case EMR_ARC: return "ARC"; + case EMR_CHORD: return "CHORD"; + case EMR_PIE: return "PIE"; + case EMR_SELECTPALETTE: return "SELECTPALETTE"; + case EMR_CREATEPALETTE: return "CREATEPALETTE"; + case EMR_SETPALETTEENTRIES: return "SETPALETTEENTRIES"; + case EMR_RESIZEPALETTE: return "RESIZEPALETTE"; + case EMR_REALIZEPALETTE: return "REALIZEPALETTE"; + case EMR_EXTFLOODFILL: return "EXTFLOODFILL"; + case EMR_LINETO: return "LINETO"; + case EMR_ARCTO: return "ARCTO"; + case EMR_POLYDRAW: return "POLYDRAW"; + case EMR_SETARCDIRECTION: return "SETARCDIRECTION"; + case EMR_SETMITERLIMIT: return "SETMITERLIMIT"; + case EMR_BEGINPATH: return "BEGINPATH"; + case EMR_ENDPATH: return "ENDPATH"; + case EMR_CLOSEFIGURE: return "CLOSEFIGURE"; + case EMR_FILLPATH: return "FILLPATH"; + case EMR_STROKEANDFILLPATH: return "STROKEANDFILLPATH"; + case EMR_STROKEPATH: return "STROKEPATH"; + case EMR_FLATTENPATH: return "FLATTENPATH"; + case EMR_WIDENPATH: return "WIDENPATH"; + case EMR_SELECTCLIPPATH: return "SELECTCLIPPATH"; + case EMR_ABORTPATH: return "ABORTPATH"; + case EMR_COMMENT: return "COMMENT"; + case EMR_FILLRGN: return "FILLRGN"; + case EMR_FRAMERGN: return "FRAMERGN"; + case EMR_INVERTRGN: return "INVERTRGN"; + case EMR_PAINTRGN: return "PAINTRGN"; + case EMR_EXTSELECTCLIPRGN: return "EXTSELECTCLIPRGN"; + case EMR_BITBLT: return "BITBLT"; + case EMR_STRETCHBLT: return "STRETCHBLT"; + case EMR_MASKBLT: return "MASKBLT"; + case EMR_PLGBLT: return "PLGBLT"; + case EMR_SETDIBITSTODEVICE: return "SETDIBITSTODEVICE"; + case EMR_STRETCHDIBITS: return "STRETCHDIBITS"; + case EMR_EXTCREATEFONTINDIRECTW: return "EXTCREATEFONTINDIRECTW"; + case EMR_EXTTEXTOUTA: return "EXTTEXTOUTA"; + case EMR_EXTTEXTOUTW: return "EXTTEXTOUTW"; + case EMR_POLYBEZIER16: return "POLYBEZIER16"; + case EMR_POLYGON16: return "POLYGON16"; + case EMR_POLYLINE16: return "POLYLINE16"; + case EMR_POLYBEZIERTO16: return "POLYBEZIERTO16"; + case EMR_POLYLINETO16: return "POLYLINETO16"; + case EMR_POLYPOLYLINE16: return "POLYPOLYLINE16"; + case EMR_POLYPOLYGON16: return "POLYPOLYGON16"; + case EMR_POLYDRAW16: return "POLYDRAW16"; + case EMR_CREATEMONOBRUSH: return "CREATEMONOBRUSH"; + case EMR_CREATEDIBPATTERNBRUSHPT: return "CREATEDIBPATTERNBRUSHPT"; + case EMR_EXTCREATEPEN: return "EXTCREATEPEN"; + case EMR_POLYTEXTOUTA: return "POLYTEXTOUTA"; + case EMR_POLYTEXTOUTW: return "POLYTEXTOUTW"; + case EMR_SETICMMODE: return "SETICMMODE"; + case EMR_CREATECOLORSPACE: return "CREATECOLORSPACE"; + case EMR_SETCOLORSPACE: return "SETCOLORSPACE"; + case EMR_DELETECOLORSPACE: return "DELETECOLORSPACE"; + case EMR_GLSRECORD: return "GLSRECORD"; + case EMR_GLSBOUNDEDRECORD: return "GLSBOUNDEDRECORD"; + case EMR_PIXELFORMAT: return "PIXELFORMAT"; + case EMR_DRAWESCAPE: return "DRAWESCAPE"; + case EMR_EXTESCAPE: return "EXTESCAPE"; + case EMR_STARTDOC: return "STARTDOC"; + case EMR_SMALLTEXTOUT: return "SMALLTEXTOUT"; + case EMR_FORCEUFIMAPPING: return "FORCEUFIMAPPING"; + case EMR_NAMEDESCAPE: return "NAMEDESCAPE"; + case EMR_COLORCORRECTPALETTE: return "COLORCORRECTPALETTE"; + case EMR_SETICMPROFILEA: return "SETICMPROFILEA"; + case EMR_SETICMPROFILEW: return "SETICMPROFILEW"; + case EMR_ALPHABLEND: return "ALPHABLEND"; + case EMR_ALPHADIBBLEND: return "ALPHADIBBLEND"; + case EMR_TRANSPARENTBLT: return "TRANSPARENTBLT"; + case EMR_TRANSPARENTDIB: return "TRANSPARENTDIB"; + case EMR_GRADIENTFILL: return "GRADIENTFILL"; + case EMR_SETLINKEDUFIS: return "SETLINKEDUFIS"; + case EMR_SETTEXTJUSTIFICATION: return "SETTEXTJUSTIFICATION"; + default: + // Yes, return a pointer to a static buffer. This is a very + // local debugging output function, so no big deal. + static char buffer[11]; + sprintf(buffer, "0x%08" SAL_PRIxUINT32, nRecType); + return buffer; + } +#endif +} + +struct BLENDFUNCTION +{ + unsigned char aBlendOperation; + unsigned char aBlendFlags; + unsigned char aSrcConstantAlpha; + unsigned char aAlphaFormat; + + friend SvStream& operator>>(SvStream& rInStream, BLENDFUNCTION& rBlendFun); +}; + +SvStream& operator>>(SvStream& rInStream, BLENDFUNCTION& rBlendFun) +{ + rInStream.ReadUChar(rBlendFun.aBlendOperation); + rInStream.ReadUChar(rBlendFun.aBlendFlags); + rInStream.ReadUChar(rBlendFun.aSrcConstantAlpha); + rInStream.ReadUChar(rBlendFun.aAlphaFormat); + return rInStream; +} + +bool ImplReadRegion( basegfx::B2DPolyPolygon& rPolyPoly, SvStream& rStream, sal_uInt32 nLen ) +{ + if (nLen < 32) // 32 bytes - Size of RegionDataHeader + return false; + + sal_uInt32 nHdSize, nType, nCountRects, nRgnSize; + rStream.ReadUInt32(nHdSize); + rStream.ReadUInt32(nType); + rStream.ReadUInt32(nCountRects); + rStream.ReadUInt32(nRgnSize); + + sal_Int32 nLeft, nTop, nRight, nBottom; + //bounds of the region + rStream.ReadInt32(nLeft); + rStream.ReadInt32(nTop); + rStream.ReadInt32(nRight); + rStream.ReadInt32(nBottom); + + if (!rStream.good() || nCountRects == 0 || nType != emfio::RDH_RECTANGLES) + return false; + + SAL_INFO("emfio", "\t\tBounds Left: " << nLeft << ", top: " << nTop << ", right: " << nRight << ", bottom: " << nBottom); + + nLen -= 32; + + sal_uInt32 nSize; + if (o3tl::checked_multiply<sal_uInt32>(nCountRects, 16, nSize)) + return false; + if (nLen < nSize) + return false; + + for (sal_uInt32 i = 0; i < nCountRects; ++i) + { + rStream.ReadInt32(nLeft); + rStream.ReadInt32(nTop); + rStream.ReadInt32(nRight); + rStream.ReadInt32(nBottom); + rPolyPoly.append( basegfx::utils::createPolygonFromRect( ::basegfx::B2DRectangle( nLeft, nTop, nRight, nBottom ) ) ); + SAL_INFO("emfio", "\t\t" << i << " Left: " << nLeft << ", top: " << nTop << ", right: " << nRight << ", bottom: " << nBottom); + } + if (!utl::ConfigManager::IsFuzzing()) + { + rPolyPoly = basegfx::utils::solveCrossovers(rPolyPoly); + rPolyPoly = basegfx::utils::stripNeutralPolygons(rPolyPoly); + rPolyPoly = basegfx::utils::stripDispensablePolygons(rPolyPoly); + } + return true; +} + +} // anonymous namespace + +namespace emfio +{ + EmfReader::EmfReader(SvStream& rStream,GDIMetaFile& rGDIMetaFile) + : MtfTools(rGDIMetaFile, rStream) + , mnRecordCount(0) + , mbRecordPath(false) + , mbEMFPlus(false) + , mbEMFPlusDualMode(false) + { + } + + EmfReader::~EmfReader() + { + } + + const sal_uInt32 EMR_COMMENT_BEGINGROUP = 0x00000002; + const sal_uInt32 EMR_COMMENT_ENDGROUP = 0x00000003; + const sal_uInt32 EMR_COMMENT_MULTIFORMATS = 0x40000004; + const sal_uInt32 EMR_COMMENT_WINDOWS_METAFILE = 0x80000001; + + void EmfReader::ReadGDIComment(sal_uInt32 nCommentId) + { + sal_uInt32 nPublicCommentIdentifier(0); + mpInputStream->ReadUInt32(nPublicCommentIdentifier); + + SAL_INFO("emfio", "\t\tEMR_COMMENT_PUBLIC, id: 0x" << std::hex << nCommentId << std::dec); + switch (nPublicCommentIdentifier) + { + case EMR_COMMENT_BEGINGROUP: + { + SAL_INFO("emfio", "\t\t\tEMR_COMMENT_BEGINGROUP"); + sal_uInt32 left, top, right, bottom; + mpInputStream->ReadUInt32(left).ReadUInt32(top).ReadUInt32(right).ReadUInt32(bottom); + + SAL_INFO("emfio", "\t\t\t\tBounding rect"); + SAL_INFO("emfio", "\t\t\t\t\tLeft: " << left); + SAL_INFO("emfio", "\t\t\t\t\tTop: " << top); + SAL_INFO("emfio", "\t\t\t\t\tRight: " << right); + SAL_INFO("emfio", "\t\t\t\t\tBottom: " << bottom); + + sal_uInt32 nDescChars(0); + mpInputStream->ReadUInt32(nDescChars); + + OUString aDesc; + for (sal_uInt32 i=0; i < nDescChars; i++) + { + sal_uInt16 cChar(0); + mpInputStream->ReadUInt16(cChar); + if (cChar == '\0') + break; + + sal_Unicode cUniChar = static_cast<sal_Unicode>(cChar); + aDesc = aDesc + OUStringChar(cUniChar); + } + + SAL_INFO("emfio", "\t\tDescription: " << aDesc); + } + break; + + case EMR_COMMENT_ENDGROUP: + SAL_INFO("emfio", "\t\t\tEMR_COMMENT_ENDGROUP"); + break; + + case EMR_COMMENT_MULTIFORMATS: + ReadMultiformatsComment(); + break; + + case EMR_COMMENT_WINDOWS_METAFILE: + SAL_WARN("emfio", "\t\tEMR_COMMENT_WINDOWS_METAFILE not implemented"); + break; + + default: + SAL_WARN("emfio", "\t\tEMR_COMMENT_PUBLIC not implemented, id: 0x" << std::hex << nCommentId << std::dec); + break; + } + } + + void EmfReader::ReadMultiformatsComment() + { + tools::Rectangle aOutputRect = EmfReader::ReadRectangle(); + + sal_uInt32 nCountFormats(0); + mpInputStream->ReadUInt32(nCountFormats); + if (nCountFormats < 1) + { + return; + } + + // Read the first EmrFormat. + sal_uInt32 nSignature(0); + mpInputStream->ReadUInt32(nSignature); + if (nSignature != PDF_SIGNATURE) + { + return; + } + + sal_uInt32 nVersion(0); + mpInputStream->ReadUInt32(nVersion); + if (nVersion != 1) + { + return; + } + + sal_uInt32 nSizeData(0); + mpInputStream->ReadUInt32(nSizeData); + if (!nSizeData || nSizeData > mpInputStream->remainingSize()) + { + return; + } + + sal_uInt32 nOffData(0); + mpInputStream->ReadUInt32(nOffData); + if (!nOffData) + { + return; + } + + std::vector<char> aPdfData(nSizeData); + mpInputStream->ReadBytes(aPdfData.data(), aPdfData.size()); + if (!mpInputStream->good()) + { + return; + } + + SvMemoryStream aPdfStream; + aPdfStream.WriteBytes(aPdfData.data(), aPdfData.size()); + aPdfStream.Seek(0); + Graphic aGraphic; + if (!vcl::ImportPDF(aPdfStream, aGraphic)) + { + return; + } + + // aGraphic will be the only output of the EMF parser, so its size hint can be the same as + // ours. + aGraphic.getVectorGraphicData()->setSizeHint(maSizeHint); + + maBmpSaveList.emplace_back( + aGraphic.GetBitmapEx(), aOutputRect, SRCCOPY, /*bForceAlpha=*/true); + const std::shared_ptr<VectorGraphicData> pVectorGraphicData + = aGraphic.getVectorGraphicData(); + if (!pVectorGraphicData) + { + return; + } + + if (pVectorGraphicData->getType() != VectorGraphicDataType::Pdf) + { + return; + } + + mbReadOtherGraphicFormat = true; + } + + void EmfReader::ReadEMFPlusComment(sal_uInt32 length, bool& bHaveDC) + { + if (!mbEMFPlus) + { + PassEMFPlusHeaderInfo(); + + #if OSL_DEBUG_LEVEL > 1 + // debug code - write the stream to debug file /tmp/emf-stream.emf + sal_uInt64 const pos = mpInputStream->Tell(); + mpInputStream->Seek(0); + SvFileStream file( OUString( "/tmp/emf-stream.emf" ), StreamMode::WRITE | StreamMode::TRUNC ); + + mpInputStream->WriteStream(file); + file.Flush(); + file.Close(); + + mpInputStream->Seek( pos ); + #endif + + } + + mbEMFPlus = true; + sal_uInt64 const pos = mpInputStream->Tell(); + auto buffer = std::make_unique<char[]>( length ); + PassEMFPlus( buffer.get(), mpInputStream->ReadBytes(buffer.get(), length) ); + buffer.reset(); + mpInputStream->Seek( pos ); + + bHaveDC = false; + + // skip in SeekRel if impossibly unavailable + sal_uInt32 nRemainder = length; + + const size_t nRequiredHeaderSize = 12; + while (nRemainder >= nRequiredHeaderSize) + { + sal_uInt16 type(0), flags(0); + sal_uInt32 size(0), dataSize(0); + + mpInputStream->ReadUInt16( type ).ReadUInt16( flags ).ReadUInt32( size ).ReadUInt32( dataSize ); + nRemainder -= nRequiredHeaderSize; + + SAL_INFO("emfio", "\t\tEMF+ record type: 0x" << std::hex << type << std::dec); + + // Get Device Context + // TODO We should use EmfPlusRecordType::GetDC instead + if( type == 0x4004 ) + { + bHaveDC = true; + SAL_INFO("emfio", "\t\tEMF+ lock DC (device context)"); + } + + // look for the "dual mode" in header + // it indicates that either EMF or EMF+ records should be processed + // 0x4001 = EMF+ header + // flags & 1 = dual mode active + if ( type == 0x4001 && flags & 1 ) + { + mbEMFPlusDualMode = true; + SAL_INFO ("emfio", "\t\tEMF+ dual mode detected"); + } + + // Get the length of the remaining data of this record based + // on the alleged size + sal_uInt32 nRemainingRecordData = size >= nRequiredHeaderSize ? + size-nRequiredHeaderSize : 0; + // clip to available size + nRemainingRecordData = std::min(nRemainingRecordData, nRemainder); + mpInputStream->SeekRel(nRemainingRecordData); + nRemainder -= nRemainingRecordData; + } + mpInputStream->SeekRel(nRemainder); + } + + // these are referenced from inside the templates + static SvStream& operator >> (SvStream& rStream, sal_Int16 &n) + { + return rStream.ReadInt16(n); + } + + static SvStream& operator >> (SvStream& rStream, sal_Int32 &n) + { + return rStream.ReadInt32(n); + } + + /** + * Reads polygons from the stream. + * The \<class T> parameter is for the type of the points (sal_uInt32 or sal_uInt16). + * skipFirst: if the first point read is the 0th point or the 1st point in the array. + * */ + template <class T> + tools::Polygon EmfReader::ReadPolygonWithSkip(const bool skipFirst, sal_uInt32 nNextPos) + { + sal_uInt32 nPoints(0), nStartIndex(0); + mpInputStream->SeekRel( 16 ); + mpInputStream->ReadUInt32( nPoints ); + if (skipFirst) + { + nPoints ++; + nStartIndex ++; + } + + return ReadPolygon<T>(nStartIndex, nPoints, nNextPos); + } + + /** + * Reads polygons from the stream. + * The \<class T> parameter is for the type of the points + * nStartIndex: which is the starting index in the polygon of the first point read + * nPoints: number of points + * mpInputStream: the stream containing the polygons + * */ + template <class T> + tools::Polygon EmfReader::ReadPolygon(sal_uInt32 nStartIndex, sal_uInt32 nPoints, sal_uInt32 nNextPos) + { + SAL_INFO ("emfio", "\t\tPolygon:"); + + bool bRecordOk = nPoints <= SAL_MAX_UINT16; + SAL_WARN_IF(!bRecordOk, "emfio", "polygon record has more polygons than we can handle"); + if (!bRecordOk || !nPoints) + return tools::Polygon(); + + auto nRemainingSize = std::min(nNextPos - mpInputStream->Tell(), mpInputStream->remainingSize()); + auto nMaxPossiblePoints = nRemainingSize / (sizeof(T) * 2); + auto nPointCount = nPoints - nStartIndex; + if (nPointCount > nMaxPossiblePoints) + { + SAL_WARN("emfio", "polygon claims more points than record can provide, truncating"); + nPoints = nMaxPossiblePoints + nStartIndex; + } + + tools::Polygon aPolygon(nPoints); + for (sal_uInt32 i = nStartIndex ; i < nPoints && mpInputStream->good(); i++ ) + { + T nX, nY; + *mpInputStream >> nX >> nY; + + SAL_INFO("emfio", "\t\t\tPoint " << i << " of " << nPoints - 1 << ": " << nX << ", " << nY); + + if (!mpInputStream->good()) + { + SAL_WARN("emfio", "short read on polygon, truncating"); + aPolygon.SetSize(i); + break; + } + aPolygon[ i ] = Point( nX, nY ); + } + + return aPolygon; + } + + /** + * Reads a polyline from the WMF file and draws it + * The \<class T> parameter refers to the type of the points. (e.g. sal_uInt16 or sal_uInt32) + * */ + template <class T> + void EmfReader::ReadAndDrawPolyLine(sal_uInt32 nNextPos) + { + SAL_INFO("emfio", "\t\tPolyline: "); + + mpInputStream->SeekRel( 0x10 ); // TODO Skipping Bounds. A 128-bit WMF RectL object (specifies the bounding rectangle in device units.) + + sal_uInt32 nNumberOfPolylines = 0; + mpInputStream->ReadUInt32( nNumberOfPolylines ); + SAL_INFO("emfio", "\t\t\tPolylines: " << nNumberOfPolylines); + + sal_uInt32 nCount = 0; + mpInputStream->ReadUInt32( nCount ); // total number of points in all polylines + SAL_INFO("emfio", "\t\t\tPoints: " << nCount); + + const auto nEndPos = std::min(nNextPos, mnEndPos); + if (mpInputStream->Tell() >= nEndPos) + return; + + // taking the amount of points of each polygon, retrieving the total number of points + if ( !(mpInputStream->good() && + ( nNumberOfPolylines < SAL_MAX_UINT32 / sizeof( sal_uInt16 ) ) && + ( nNumberOfPolylines * sizeof( sal_uInt16 ) ) <= ( nEndPos - mpInputStream->Tell() )) + ) + return; + + std::unique_ptr< sal_uInt32[] > pnPolylinePointCount( new sal_uInt32[ nNumberOfPolylines ] ); + for ( sal_uInt32 i = 0; i < nNumberOfPolylines && mpInputStream->good(); i++ ) + { + sal_uInt32 nPoints; + mpInputStream->ReadUInt32( nPoints ); + SAL_INFO("emfio", "\t\t\tPoint " << i << " of " << nNumberOfPolylines << ": " << nPoints); + pnPolylinePointCount[ i ] = nPoints; + } + + // Get polyline points: + for ( sal_uInt32 i = 0; ( i < nNumberOfPolylines ) && mpInputStream->good(); i++ ) + { + tools::Polygon aPolygon = ReadPolygon<T>(0, pnPolylinePointCount[i], nNextPos); + DrawPolyLine(std::move(aPolygon), false, mbRecordPath); + } + } + + /** + * Reads a poly polygon from the WMF file and draws it. + * The \<class T> parameter refers to the type of the points. (e.g. sal_uInt16 or sal_uInt32) + * */ + template <class T> + void EmfReader::ReadAndDrawPolyPolygon(sal_uInt32 nNextPos) + { + SAL_INFO("emfio", "\t\tPolygon: "); + mpInputStream->SeekRel( 0x10 ); // RectL bounds + + sal_uInt32 nPoly(0), nGesPoints(0), nReadPoints(0); + // Number of polygons + mpInputStream->ReadUInt32( nPoly ).ReadUInt32( nGesPoints ); + SAL_INFO("emfio", "\t\t\tPolygons: " << nPoly); + SAL_INFO("emfio", "\t\t\tPoints: " << nGesPoints); + + const auto nEndPos = std::min(nNextPos, mnEndPos); + if (mpInputStream->Tell() >= nEndPos) + return; + if (!mpInputStream->good()) + return; + //check against numeric overflowing + if (nGesPoints >= SAL_MAX_UINT32 / sizeof(Point)) + return; + if (nPoly >= SAL_MAX_UINT32 / sizeof(sal_uInt16)) + return; + if (nPoly * sizeof(sal_uInt16) > nEndPos - mpInputStream->Tell()) + return; + + // Get number of points in each polygon + std::vector<sal_uInt16> aPoints(nPoly); + for (sal_uInt32 i = 0; i < nPoly && mpInputStream->good(); ++i) + { + sal_uInt32 nPoints(0); + mpInputStream->ReadUInt32( nPoints ); + + SAL_INFO("emfio", "\t\t\t\tPolygon " << i << " points: " << nPoints); + + aPoints[i] = static_cast<sal_uInt16>(nPoints); + } + + if ( mpInputStream->good() && ( nGesPoints * (sizeof(T)+sizeof(T)) ) <= ( nEndPos - mpInputStream->Tell() ) ) + { + // Get polygon points + tools::PolyPolygon aPolyPoly(nPoly); + for (sal_uInt32 i = 0; i < nPoly && mpInputStream->good(); ++i) + { + const sal_uInt16 nPointCount(aPoints[i]); + std::vector<Point> aPtAry(nPointCount); + for (sal_uInt16 j = 0; j < nPointCount && mpInputStream->good(); ++j) + { + T nX(0), nY(0); + *mpInputStream >> nX >> nY; + aPtAry[j] = Point( nX, nY ); + ++nReadPoints; + } + + aPolyPoly.Insert(tools::Polygon(aPtAry.size(), aPtAry.data())); + } + + DrawPolyPolygon(aPolyPoly, mbRecordPath); + } + + OSL_ENSURE(nReadPoints == nGesPoints, "The number Points processed from EMR_POLYPOLYGON is unequal imported number (!)"); + } + + bool EmfReader::ReadEnhWMF() + { + sal_uInt32 nStretchBltMode = 0; + sal_uInt32 nNextPos(0), + nW(0), nH(0), nColor(0), nIndex(0), + nDat32(0), nNom1(0), nDen1(0), nNom2(0), nDen2(0); + sal_Int32 nX32(0), nY32(0), nx32(0), ny32(0); + + bool bStatus = ReadHeader(); + bool bHaveDC = false; + + OUString aEMFPlusDisable; + rtl::Bootstrap::get("EMF_PLUS_DISABLE", aEMFPlusDisable); + bool bEnableEMFPlus = aEMFPlusDisable.isEmpty(); + if (!mbEnableEMFPlus) + { + // EMF+ is enabled if neither the bootstrap variable, not the member variable disables + // it. + bEnableEMFPlus = mbEnableEMFPlus; + } + + SAL_INFO("emfio", "EMF+ reading is " << (bEnableEMFPlus ? "enabled" : "disabled")); + + while (bStatus && mnRecordCount-- && mpInputStream->good() && !mbReadOtherGraphicFormat) + { + sal_uInt32 nRecType(0), nRecSize(0); + mpInputStream->ReadUInt32(nRecType).ReadUInt32(nRecSize); + + if ( !mpInputStream->good() || ( nRecSize < 8 ) || ( nRecSize & 3 ) ) // Parameters are always divisible by 4 + { + bStatus = false; + break; + } + + auto nCurPos = mpInputStream->Tell(); + + if (mnEndPos < nCurPos - 8) + { + bStatus = false; + break; + } + + const sal_uInt32 nMaxPossibleRecSize = mnEndPos - (nCurPos - 8); + if (nRecSize > nMaxPossibleRecSize) + { + bStatus = false; + break; + } + + nNextPos = nCurPos + (nRecSize - 8); + + if( !maBmpSaveList.empty() + && ( nRecType != EMR_STRETCHBLT ) + && ( nRecType != EMR_STRETCHDIBITS ) + ) { + ResolveBitmapActions( maBmpSaveList ); + } + + bool bFlag = false; + + SAL_INFO("emfio", "0x" << std::hex << (nNextPos - nRecSize) << "-0x" << nNextPos << " " << record_type_name(nRecType) << " size: " + << std::dec << nRecSize); + + if( bEnableEMFPlus && nRecType == EMR_COMMENT ) + { + sal_uInt32 length; + + mpInputStream->ReadUInt32( length ); + + SAL_INFO("emfio", "\tGDI comment, length: " << length); + + if( mpInputStream->good() && length >= 4 && length <= mpInputStream->remainingSize() ) { + sal_uInt32 nCommentId; + + mpInputStream->ReadUInt32( nCommentId ); + + SAL_INFO("emfio", "\t\tbegin " << static_cast<char>(nCommentId & 0xff) << static_cast<char>((nCommentId & 0xff00) >> 8) << static_cast<char>((nCommentId & 0xff0000) >> 16) << static_cast<char>((nCommentId & 0xff000000) >> 24) << " id: 0x" << std::hex << nCommentId << std::dec); + + if( nCommentId == EMR_COMMENT_EMFPLUS && nRecSize >= 12 ) + { + // [MS-EMF] 2.3.3: DataSize includes both CommentIdentifier and CommentRecordParm fields. + // We have already read 4-byte CommentIdentifier, so reduce length appropriately + ReadEMFPlusComment( length-4, bHaveDC ); + } + else if( nCommentId == EMR_COMMENT_PUBLIC && nRecSize >= 12 ) + { + ReadGDIComment(nCommentId); + } + else if( nCommentId == EMR_COMMENT_EMFSPOOL && nRecSize >= 12 ) + { + SAL_WARN("emfio", "\t\tEMFSPOOL not implemented, id: 0x" << std::hex << nCommentId << std::dec); + // TODO Implement reading EMFSPOOL comment + + } + else + { + SAL_WARN("emfio", "\t\tunknown id: 0x" << std::hex << nCommentId << std::dec); + } + } + } + else if ( !bHaveDC && mbEMFPlusDualMode && nRecType != EMR_HEADER && nRecType != EMR_EOF ) + { + // skip content (EMF record) in dual mode + // we process only EMR_COMMENT (see above) to access EMF+ data + // with 2 exceptions, according to EMF+ specification: + // EMR_HEADER and EMR_EOF + // if a device context is given (bHaveDC) process the following EMF record, too. + } + else if( !mbEMFPlus || bHaveDC || nRecType == EMR_EOF ) + { + switch( nRecType ) + { + case EMR_POLYBEZIERTO : + DrawPolyBezier(ReadPolygonWithSkip<sal_Int32>(true, nNextPos), true, mbRecordPath); + break; + case EMR_POLYBEZIER : + DrawPolyBezier(ReadPolygonWithSkip<sal_Int32>(false, nNextPos), false, mbRecordPath); + break; + + case EMR_POLYGON : + DrawPolygon(ReadPolygonWithSkip<sal_Int32>(false, nNextPos), mbRecordPath); + break; + + case EMR_POLYLINETO : + DrawPolyLine(ReadPolygonWithSkip<sal_Int32>(true, nNextPos), true, mbRecordPath); + break; + + case EMR_POLYLINE : + DrawPolyLine(ReadPolygonWithSkip<sal_Int32>(false, nNextPos), false, mbRecordPath); + break; + + case EMR_POLYPOLYLINE : + ReadAndDrawPolyLine<sal_Int32>(nNextPos); + break; + + case EMR_POLYPOLYGON : + ReadAndDrawPolyPolygon<sal_Int32>(nNextPos); + break; + + case EMR_SETWINDOWEXTEX : + { + sal_Int32 w = 0, h = 0; + mpInputStream->ReadInt32( w ).ReadInt32( h ); + SAL_INFO("emfio", "\t\tWidth: " << w); + SAL_INFO("emfio", "\t\tHeight: " << h); + SetWinExt( Size( w, h ), true); + } + break; + + case EMR_SETWINDOWORGEX : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + SetWinOrg( Point( nX32, nY32 ), true); + } + break; + + case EMR_SCALEWINDOWEXTEX : + { + mpInputStream->ReadUInt32( nNom1 ).ReadUInt32( nDen1 ).ReadUInt32( nNom2 ).ReadUInt32( nDen2 ); + SAL_INFO("emfio", "\t\tHorizontal scale: " << nNom1 << " / " << nDen1); + SAL_INFO("emfio", "\t\tVertical scale: " << nNom2 << " / " << nDen2); + + if (nDen1 != 0 && nDen2 != 0) + ScaleWinExt( static_cast<double>(nNom1) / nDen1, static_cast<double>(nNom2) / nDen2 ); + else + SAL_WARN("vcl.emf", "ignoring bogus divide by zero"); + } + break; + + case EMR_SETVIEWPORTORGEX : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + SetDevOrg( Point( nX32, nY32 ) ); + } + break; + + case EMR_SCALEVIEWPORTEXTEX : + { + mpInputStream->ReadUInt32( nNom1 ).ReadUInt32( nDen1 ).ReadUInt32( nNom2 ).ReadUInt32( nDen2 ); + SAL_INFO("emfio", "\t\tHorizontal scale: " << nNom1 << " / " << nDen1); + SAL_INFO("emfio", "\t\tVertical scale: " << nNom2 << " / " << nDen2); + + if (nDen1 != 0 && nDen2 != 0) + ScaleDevExt( static_cast<double>(nNom1) / nDen1, static_cast<double>(nNom2) / nDen2 ); + else + SAL_WARN("vcl.emf", "ignoring bogus divide by zero"); + } + break; + + case EMR_SETVIEWPORTEXTEX : + { + sal_Int32 w = 0, h = 0; + mpInputStream->ReadInt32( w ).ReadInt32( h ); + SAL_INFO("emfio", "\t\tWidth: " << w); + SAL_INFO("emfio", "\t\tHeight: " << h); + + SetDevExt( Size( w, h ) ); + } + break; + + case EMR_EOF : + mnRecordCount = 0; + break; + + case EMR_SETPIXELV : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + DrawPixel( Point( nX32, nY32 ), ReadColor() ); + } + break; + + case EMR_SETMAPMODE : + { + sal_uInt32 nMapMode(0); + mpInputStream->ReadUInt32( nMapMode ); + SAL_INFO("emfio", "\t\tMapMode: 0x" << std::hex << nMapMode << std::dec); + SetMapMode( static_cast<MappingMode>(nMapMode) ); + } + break; + + case EMR_SETBKMODE : + { + mpInputStream->ReadUInt32( nDat32 ); + SAL_INFO("emfio", "\t\tBkMode: 0x" << std::hex << nDat32 << std::dec); + SetBkMode( static_cast<BackgroundMode>(nDat32) ); + } + break; + + case EMR_SETPOLYFILLMODE : + break; + + case EMR_SETROP2 : + { + mpInputStream->ReadUInt32( nDat32 ); + SAL_INFO("emfio", "\t\tROP2: 0x" << std::hex << nDat32 << std::dec); + SetRasterOp( static_cast<WMFRasterOp>(nDat32) ); + } + break; + + case EMR_SETSTRETCHBLTMODE : + { + mpInputStream->ReadUInt32( nStretchBltMode ); + SAL_INFO("emfio", "\t\tStretchBltMode: 0x" << std::hex << nDat32 << std::dec); + } + break; + + case EMR_SETTEXTALIGN : + { + mpInputStream->ReadUInt32( nDat32 ); + SAL_INFO("emfio", "\t\tTextAlign: 0x" << std::hex << nDat32 << std::dec); + SetTextAlign( nDat32 ); + } + break; + + case EMR_SETTEXTCOLOR : + { + SetTextColor( ReadColor() ); + } + break; + + case EMR_SETARCDIRECTION: + { + mpInputStream->ReadUInt32(nIndex); + SetArcDirection(nIndex == ARCDIRECTION_CLOCKWISE); + } + break; + + case EMR_SETBKCOLOR : + { + SetBkColor( ReadColor() ); + } + break; + + case EMR_OFFSETCLIPRGN : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + MoveClipRegion( Size( nX32, nY32 ) ); + } + break; + + case EMR_MOVETOEX : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + MoveTo( Point( nX32, nY32 ), mbRecordPath); + } + break; + + case EMR_INTERSECTCLIPRECT : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ); + IntersectClipRect( ReadRectangle( nX32, nY32, nx32, ny32 ) ); + SAL_INFO("emfio", "\t\tPoint: (" << nX32 << ", " << nY32 << ")"); + SAL_INFO("emfio", "\t\tPoint: (" << nx32 << ", " << ny32 << ")"); + } + break; + + case EMR_SAVEDC : + { + Push(); + } + break; + + case EMR_RESTOREDC : + { + sal_Int32 nSavedDC(0); + mpInputStream->ReadInt32( nSavedDC ); + SAL_INFO( "emfio", "\t\t SavedDC Index: " << nSavedDC ); + if ( nSavedDC < 0 ) + Pop( nSavedDC ); + else + Pop( -1 ); // For RestoreDC values above -1, treat as get last element + } + break; + + case EMR_SETWORLDTRANSFORM : + { + XForm aTempXForm; + *mpInputStream >> aTempXForm; + SetWorldTransform( aTempXForm ); + } + break; + + case EMR_MODIFYWORLDTRANSFORM : + { + sal_uInt32 nMode(0); + XForm aTempXForm; + *mpInputStream >> aTempXForm; + mpInputStream->ReadUInt32( nMode ); + ModifyWorldTransform( aTempXForm, static_cast<ModifyWorldTransformMode>(nMode) ); + } + break; + + case EMR_SELECTOBJECT : + { + mpInputStream->ReadUInt32( nIndex ); + SelectObject( nIndex ); + } + break; + + case EMR_CREATEPEN: + { + mpInputStream->ReadUInt32(nIndex); + if ((nIndex & ENHMETA_STOCK_OBJECT) == 0) + { + sal_uInt32 nStyle(0); + sal_Int32 nPenWidth(0), nIgnored; + mpInputStream->ReadUInt32(nStyle).ReadInt32(nPenWidth).ReadInt32(nIgnored); + SAL_INFO("emfio", "\t\tIndex: " << nIndex << " Style: 0x" << std::hex + << nStyle << std::dec + << " PenWidth: " << nPenWidth); + CreateObjectIndexed(nIndex, std::make_unique<WinMtfLineStyle>(ReadColor(), nStyle, nPenWidth)); + } + } + break; + + case EMR_EXTCREATEPEN: + { + mpInputStream->ReadUInt32(nIndex); + if ((nIndex & ENHMETA_STOCK_OBJECT) == 0) + { + sal_uInt32 offBmi, cbBmi, offBits, cbBits, nStyle, nWidth, nBrushStyle, elpNumEntries; + sal_Int32 elpHatch; + mpInputStream->ReadUInt32(offBmi).ReadUInt32(cbBmi).ReadUInt32(offBits).ReadUInt32(cbBits); + mpInputStream->ReadUInt32(nStyle).ReadUInt32(nWidth).ReadUInt32(nBrushStyle); + + SAL_INFO("emfio", "\t\tStyle: 0x" << std::hex << nStyle << std::dec); + SAL_INFO("emfio", "\t\tWidth: " << nWidth); + Color aColorRef = ReadColor(); + mpInputStream->ReadInt32(elpHatch).ReadUInt32(elpNumEntries); + + if (!mpInputStream->good()) + bStatus = false; + else + CreateObjectIndexed(nIndex, std::make_unique<WinMtfLineStyle>(aColorRef, nStyle, nWidth)); + } + } + break; + + case EMR_CREATEBRUSHINDIRECT : + { + mpInputStream->ReadUInt32( nIndex ); + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 ) + { + sal_uInt32 nStyle; + mpInputStream->ReadUInt32( nStyle ); + BrushStyle eStyle = static_cast<BrushStyle>(nStyle); + CreateObjectIndexed(nIndex, std::make_unique<WinMtfFillStyle>( ReadColor(), ( eStyle == BrushStyle::BS_HOLLOW ) )); + } + } + break; + + case EMR_DELETEOBJECT : + { + mpInputStream->ReadUInt32( nIndex ); + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 ) + DeleteObject( nIndex ); + } + break; + + case EMR_ELLIPSE : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ); + SAL_INFO("emfio", "\t\t Rectangle, left: " << nX32 << ", top: " << nY32 << ", right: " << nx32 << ", bottom: " << ny32); + + sal_Int32 w(0), h(0); + if (o3tl::checked_sub(nx32, nX32, w) || o3tl::checked_sub(ny32, nY32, h)) + SAL_WARN("emfio", "broken ellipse"); + else + { + tools::Long dw = w / 2; + tools::Long dh = h / 2; + Point aCenter( nX32 + dw, nY32 + dh ); + tools::Polygon aPoly( aCenter, dw, dh ); + DrawPolygon( std::move(aPoly), mbRecordPath ); + } + } + break; + + case EMR_RECTANGLE : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ); + SAL_INFO("emfio", "\t\t Rectangle, left: " << nX32 << ", top: " << nY32 << ", right: " << nx32 << ", bottom: " << ny32); + Point aPoints[] { Point(nX32, nY32), + Point(nx32, nY32), + Point(nx32, ny32), + Point(nX32, ny32) }; + tools::Polygon aPoly(4, aPoints); + aPoly.Optimize( PolyOptimizeFlags::CLOSE ); + DrawPolygon( std::move(aPoly), mbRecordPath ); + } + break; + + case EMR_ROUNDRECT : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nW ).ReadUInt32( nH ); + tools::Polygon aRoundRectPoly( ReadRectangle( nX32, nY32, nx32, ny32 ), nW, nH ); + DrawPolygon( std::move(aRoundRectPoly), mbRecordPath ); + } + break; + + case EMR_ARC : + case EMR_ARCTO : + case EMR_CHORD : + { + sal_Int32 nStartX, nStartY, nEndX, nEndY; + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadInt32( nStartX ).ReadInt32( nStartY ).ReadInt32( nEndX ).ReadInt32( nEndY ); + if (!mpInputStream->good()) + bStatus = false; + else + { + SAL_INFO( "emfio", "\t\t Bounds: " << nX32 << ":" << nY32 << ", " << nx32 << ":" << ny32 << ", Start: " << nStartX << ":" << nStartY << ", End: " << nEndX << ":" << nEndY ); + tools::Polygon aPoly(ReadRectangle(nX32, nY32, nx32, ny32), Point(nStartX, nStartY), Point(nEndX, nEndY), PolyStyle::Arc, IsArcDirectionClockWise()); + + if ( nRecType == EMR_CHORD ) + DrawPolygon( std::move(aPoly), mbRecordPath ); + else + DrawPolyLine( std::move(aPoly), nRecType == EMR_ARCTO, mbRecordPath ); + } + } + break; + + case EMR_PIE : + { + sal_Int32 nStartX, nStartY, nEndX, nEndY; + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadInt32( nStartX ).ReadInt32( nStartY ).ReadInt32( nEndX ).ReadInt32( nEndY ); + if (!mpInputStream->good()) + bStatus = false; + else + { + tools::Polygon aPoly(ReadRectangle(nX32, nY32, nx32, ny32), Point(nStartX, nStartY), Point(nEndX, nEndY), PolyStyle::Pie, IsArcDirectionClockWise()); + DrawPolygon( std::move(aPoly), mbRecordPath ); + } + } + break; + + case EMR_LINETO : + { + mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ); + LineTo( Point( nX32, nY32 ), mbRecordPath); + } + break; + + case EMR_BEGINPATH : + { + ClearPath(); + mbRecordPath = true; + } + break; + + case EMR_ABORTPATH : + ClearPath(); + [[fallthrough]]; + case EMR_ENDPATH : + mbRecordPath = false; + break; + + case EMR_CLOSEFIGURE : + ClosePath(); + break; + + case EMR_FILLPATH : + StrokeAndFillPath( false, true ); + break; + + case EMR_STROKEANDFILLPATH : + StrokeAndFillPath( true, true ); + break; + + case EMR_STROKEPATH : + StrokeAndFillPath( true, false ); + break; + + case EMR_SELECTCLIPPATH : + { + sal_Int32 nClippingMode(0); + mpInputStream->ReadInt32(nClippingMode); + SetClipPath(GetPathObj(), static_cast<RegionMode>(nClippingMode), true); + } + break; + + case EMR_EXTSELECTCLIPRGN : + { + sal_uInt32 nRemainingRecSize = nRecSize - 8; + if (nRemainingRecSize < 8) + bStatus = false; + else + { + sal_Int32 nClippingMode(0), cbRgnData(0); + mpInputStream->ReadInt32(cbRgnData); + mpInputStream->ReadInt32(nClippingMode); + nRemainingRecSize -= 8; + + // This record's region data should be ignored if mode + // is RGN_COPY - see EMF spec section 2.3.2.2 + if (static_cast<RegionMode>(nClippingMode) == RegionMode::RGN_COPY) + { + SetDefaultClipPath(); + } + else + { + basegfx::B2DPolyPolygon aPolyPoly; + if (cbRgnData) + ImplReadRegion(aPolyPoly, *mpInputStream, nRemainingRecSize); + const tools::PolyPolygon aPolyPolygon(aPolyPoly); + SetClipPath(aPolyPolygon, static_cast<RegionMode>(nClippingMode), false); + } + } + } + break; + + case EMR_ALPHABLEND: + { + sal_Int32 xDest(0), yDest(0), cxDest(0), cyDest(0); + + BLENDFUNCTION aFunc; + sal_Int32 xSrc(0), ySrc(0), cxSrc(0), cySrc(0); + XForm xformSrc; + sal_uInt32 BkColorSrc(0), iUsageSrc(0), offBmiSrc(0); + sal_uInt32 cbBmiSrc(0), offBitsSrc(0), cbBitsSrc(0); + + sal_uInt32 nStart = mpInputStream->Tell() - 8; + mpInputStream->SeekRel( 0x10 ); + + mpInputStream->ReadInt32( xDest ).ReadInt32( yDest ).ReadInt32( cxDest ).ReadInt32( cyDest ); + *mpInputStream >> aFunc; + mpInputStream->ReadInt32( xSrc ).ReadInt32( ySrc ); + *mpInputStream >> xformSrc; + mpInputStream->ReadUInt32( BkColorSrc ).ReadUInt32( iUsageSrc ).ReadUInt32( offBmiSrc ).ReadUInt32( cbBmiSrc ) + .ReadUInt32( offBitsSrc ).ReadUInt32( cbBitsSrc ).ReadInt32( cxSrc ).ReadInt32( cySrc ) ; + + if ( !mpInputStream->good() || + (cbBitsSrc > (SAL_MAX_UINT32 - 14)) || + ((SAL_MAX_UINT32 - 14) - cbBitsSrc < cbBmiSrc) || + cxDest == SAL_MAX_INT32 || cyDest == SAL_MAX_INT32 ) + { + bStatus = false; + } + else + { + tools::Rectangle aRect(Point(xDest, yDest), Size(cxDest + 1, cyDest + 1)); + + const sal_uInt32 nSourceSize = cbBmiSrc + cbBitsSrc + 14; + bool bSafeRead = nSourceSize <= (mnEndPos - mnStartPos); + sal_uInt32 nDeltaToDIB5HeaderSize(0); + const bool bReadAlpha(0x01 == aFunc.aAlphaFormat); + if (bSafeRead && bReadAlpha) + { + // we need to read alpha channel data if AlphaFormat of BLENDFUNCTION is + // AC_SRC_ALPHA (==0x01). To read it, create a temp DIB-File which is ready + // for DIB-5 format + const sal_uInt32 nHeaderSize = getDIBV5HeaderSize(); + if (cbBmiSrc > nHeaderSize) + bSafeRead = false; + else + nDeltaToDIB5HeaderSize = nHeaderSize - cbBmiSrc; + } + if (bSafeRead) + { + const sal_uInt32 nTargetSize(cbBmiSrc + nDeltaToDIB5HeaderSize + cbBitsSrc + 14); + char* pBuf = new char[ nTargetSize ]; + SvMemoryStream aTmp( pBuf, nTargetSize, StreamMode::READ | StreamMode::WRITE ); + + aTmp.ObjectOwnsMemory( true ); + + // write BM-Header (14 bytes) + aTmp.WriteUChar( 'B' ) + .WriteUChar( 'M' ) + .WriteUInt32( cbBitsSrc ) + .WriteUInt16( 0 ) + .WriteUInt16( 0 ) + .WriteUInt32( cbBmiSrc + nDeltaToDIB5HeaderSize + 14 ); + + // copy DIBInfoHeader from source (cbBmiSrc bytes) + mpInputStream->Seek( nStart + offBmiSrc ); + char* pWritePos = pBuf + 14; + auto nRead = mpInputStream->ReadBytes(pWritePos, cbBmiSrc); + if (nRead != cbBmiSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBmiSrc - nRead); + } + + if (bReadAlpha) + { + // need to add values for all stuff that DIBV5Header is bigger + // than DIBInfoHeader, all values are correctly initialized to zero, + // so we can use memset here + memset(pBuf + cbBmiSrc + 14, 0, nDeltaToDIB5HeaderSize); + } + + // copy bitmap data from source (offBitsSrc bytes) + mpInputStream->Seek( nStart + offBitsSrc ); + pWritePos = pBuf + 14 + nDeltaToDIB5HeaderSize + cbBmiSrc; + nRead = mpInputStream->ReadBytes(pWritePos, cbBitsSrc); + if (nRead != cbBitsSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBitsSrc - nRead); + } + + aTmp.Seek( 0 ); + + // prepare to read and fill BitmapEx + BitmapEx aBitmapEx; + + if(bReadAlpha) + { + Bitmap aBitmap; + AlphaMask aAlpha; + + if(ReadDIBV5(aBitmap, aAlpha, aTmp)) + { + aBitmapEx = BitmapEx(aBitmap, aAlpha); + } + } + else + { + Bitmap aBitmap; + + if(ReadDIB(aBitmap, aTmp, true)) + { + if(0xff != aFunc.aSrcConstantAlpha) + { + // add const alpha channel + aBitmapEx = BitmapEx( + aBitmap, + AlphaMask(aBitmap.GetSizePixel(), &aFunc.aSrcConstantAlpha)); + } + else + { + // just use Bitmap + aBitmapEx = BitmapEx(aBitmap); + } + } + } + + if(!aBitmapEx.IsEmpty()) + { + // test if it is sensible to crop + if (cxSrc > 0 && cySrc > 0 && xSrc >= 0 && ySrc >= 0) + { + sal_Int32 xEndSrc; + sal_Int32 yEndSrc; + if (!o3tl::checked_add(xSrc, cxSrc, xEndSrc) && xEndSrc < aBitmapEx.GetSizePixel().Width() && + !o3tl::checked_add(ySrc, cySrc, yEndSrc) && yEndSrc < aBitmapEx.GetSizePixel().Height()) + { + const tools::Rectangle aCropRect( Point( xSrc, ySrc ), Size( cxSrc, cySrc ) ); + aBitmapEx.Crop( aCropRect ); + } + } + + #ifdef DBG_UTIL + static bool bDoSaveForVisualControl(false); // loplugin:constvars:ignore + + if(bDoSaveForVisualControl) + { + SvFileStream aNew("c:\\metafile_content.png", StreamMode::WRITE|StreamMode::TRUNC); + vcl::PNGWriter aPNGWriter(aBitmapEx); + aPNGWriter.Write(aNew); + } + #endif + maBmpSaveList.emplace_back(aBitmapEx, aRect, SRCAND|SRCINVERT); + } + } + } + } + break; + + case EMR_BITBLT : // PASSTHROUGH INTENDED + case EMR_STRETCHBLT : + { + sal_Int32 xDest, yDest, cxDest, cyDest, xSrc, ySrc, cxSrc, cySrc; + sal_uInt32 dwRop, iUsageSrc, offBmiSrc, cbBmiSrc, offBitsSrc, cbBitsSrc; + XForm xformSrc; + + sal_uInt32 nStart = mpInputStream->Tell() - 8; + + mpInputStream->SeekRel( 0x10 ); + mpInputStream->ReadInt32( xDest ).ReadInt32( yDest ).ReadInt32( cxDest ).ReadInt32( cyDest ).ReadUInt32( dwRop ).ReadInt32( xSrc ).ReadInt32( ySrc ) + >> xformSrc; + mpInputStream->ReadUInt32( nColor ).ReadUInt32( iUsageSrc ).ReadUInt32( offBmiSrc ).ReadUInt32( cbBmiSrc ) + .ReadUInt32( offBitsSrc ).ReadUInt32( cbBitsSrc ); + + if ( nRecType == EMR_STRETCHBLT ) + mpInputStream->ReadInt32( cxSrc ).ReadInt32( cySrc ); + else + cxSrc = cySrc = 0; + + if (!mpInputStream->good() || (cbBitsSrc > (SAL_MAX_UINT32 - 14)) || ((SAL_MAX_UINT32 - 14) - cbBitsSrc < cbBmiSrc)) + bStatus = false; + else + { + Bitmap aBitmap; + tools::Rectangle aRect(Point(xDest, yDest), Size(cxDest, cyDest)); + + sal_uInt32 nSize = cbBmiSrc + cbBitsSrc + 14; + if ( nSize <= ( mnEndPos - mnStartPos ) ) + { + char* pBuf = new char[ nSize ]; + SvMemoryStream aTmp( pBuf, nSize, StreamMode::READ | StreamMode::WRITE ); + aTmp.ObjectOwnsMemory( true ); + aTmp.WriteUChar( 'B' ) + .WriteUChar( 'M' ) + .WriteUInt32( cbBitsSrc ) + .WriteUInt16( 0 ) + .WriteUInt16( 0 ) + .WriteUInt32( cbBmiSrc + 14 ); + + mpInputStream->Seek( nStart + offBmiSrc ); + char* pWritePos = pBuf + 14; + auto nRead = mpInputStream->ReadBytes(pWritePos, cbBmiSrc); + if (nRead != cbBmiSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBmiSrc - nRead); + } + + mpInputStream->Seek( nStart + offBitsSrc ); + pWritePos = pBuf + 14 + cbBmiSrc; + nRead = mpInputStream->ReadBytes(pWritePos, cbBitsSrc); + if (nRead != cbBitsSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBitsSrc - nRead); + } + + aTmp.Seek( 0 ); + ReadDIB(aBitmap, aTmp, true); + + // test if it is sensible to crop + if ( (cxSrc > 0) && (cySrc > 0) && + (xSrc >= 0) && (ySrc >= 0) && + (aBitmap.GetSizePixel().Width() >= cxSrc) && + (xSrc <= aBitmap.GetSizePixel().Width() - cxSrc) && + (aBitmap.GetSizePixel().Height() >= cySrc) && + (ySrc <= aBitmap.GetSizePixel().Height() - cySrc) ) + { + tools::Rectangle aCropRect( Point( xSrc, ySrc ), Size( cxSrc, cySrc ) ); + aBitmap.Crop( aCropRect ); + } + + maBmpSaveList.emplace_back(aBitmap, aRect, dwRop); + } + } + } + break; + + case EMR_STRETCHDIBITS : + { + sal_Int32 xDest, yDest, xSrc, ySrc, cxSrc, cySrc, cxDest, cyDest; + sal_uInt32 offBmiSrc, cbBmiSrc, offBitsSrc, cbBitsSrc, iUsageSrc, dwRop; + sal_uInt32 nStart = mpInputStream->Tell() - 8; + + mpInputStream->SeekRel( 0x10 ); + mpInputStream->ReadInt32( xDest ) + .ReadInt32( yDest ) + .ReadInt32( xSrc ) + .ReadInt32( ySrc ) + .ReadInt32( cxSrc ) + .ReadInt32( cySrc ) + .ReadUInt32( offBmiSrc ) + .ReadUInt32( cbBmiSrc ) + .ReadUInt32( offBitsSrc ) + .ReadUInt32( cbBitsSrc ) + .ReadUInt32( iUsageSrc ) + .ReadUInt32( dwRop ) + .ReadInt32( cxDest ) + .ReadInt32( cyDest ); + + if (!mpInputStream->good() || + ((SAL_MAX_UINT32 - 14) < cbBitsSrc) || + ((SAL_MAX_UINT32 - 14) - cbBitsSrc < cbBmiSrc)) + { + bStatus = false; + } + else + { + Bitmap aBitmap; + tools::Rectangle aRect(xDest, yDest); + aRect.SaturatingSetSize(Size(cxDest, cyDest)); + + sal_uInt32 nSize = cbBmiSrc + cbBitsSrc + 14; + if ( nSize <= ( mnEndPos - mnStartPos ) ) + { + char* pBuf = new char[ nSize ]; + SvMemoryStream aTmp( pBuf, nSize, StreamMode::READ | StreamMode::WRITE ); + aTmp.ObjectOwnsMemory( true ); + aTmp.WriteUChar( 'B' ) + .WriteUChar( 'M' ) + .WriteUInt32( cbBitsSrc ) + .WriteUInt16( 0 ) + .WriteUInt16( 0 ) + .WriteUInt32( cbBmiSrc + 14 ); + + mpInputStream->Seek( nStart + offBmiSrc ); + char* pWritePos = pBuf + 14; + auto nRead = mpInputStream->ReadBytes(pWritePos, cbBmiSrc); + if (nRead != cbBmiSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBmiSrc - nRead); + } + + mpInputStream->Seek( nStart + offBitsSrc ); + pWritePos = pBuf + 14 + cbBmiSrc; + nRead = mpInputStream->ReadBytes(pWritePos, cbBitsSrc); + if (nRead != cbBitsSrc) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBitsSrc - nRead); + } + + aTmp.Seek( 0 ); + ReadDIB(aBitmap, aTmp, true); + + const tools::Long nWidthDiff = aBitmap.GetSizePixel().Width() - cxSrc; + const tools::Long nHeightDiff = aBitmap.GetSizePixel().Height() - cySrc; + + // test if it is sensible to crop + if ( (cxSrc > 0) && (cySrc > 0) && + (xSrc >= 0) && (ySrc >= 0) && + (xSrc <= nWidthDiff) && (ySrc <= nHeightDiff) ) + { + tools::Rectangle aCropRect( Point( xSrc, ySrc ), Size( cxSrc, cySrc ) ); + aBitmap.Crop( aCropRect ); + } + maBmpSaveList.emplace_back(aBitmap, aRect, dwRop); + } + } + } + break; + + case EMR_EXTCREATEFONTINDIRECTW : + { + mpInputStream->ReadUInt32( nIndex ); + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 ) + { + LOGFONTW aLogFont; + mpInputStream->ReadInt32( aLogFont.lfHeight ) + .ReadInt32( aLogFont.lfWidth ) + .ReadInt32( aLogFont.lfEscapement ) + .ReadInt32( aLogFont.lfOrientation ) + .ReadInt32( aLogFont.lfWeight ) + .ReadUChar( aLogFont.lfItalic ) + .ReadUChar( aLogFont.lfUnderline ) + .ReadUChar( aLogFont.lfStrikeOut ) + .ReadUChar( aLogFont.lfCharSet ) + .ReadUChar( aLogFont.lfOutPrecision ) + .ReadUChar( aLogFont.lfClipPrecision ) + .ReadUChar( aLogFont.lfQuality ) + .ReadUChar( aLogFont.lfPitchAndFamily ); + + sal_Unicode lfFaceName[LF_FACESIZE+1]; + lfFaceName[LF_FACESIZE] = 0; + for (int i = 0; i < LF_FACESIZE; ++i) + { + sal_uInt16 nChar(0); + mpInputStream->ReadUInt16(nChar); + lfFaceName[i] = nChar; + } + aLogFont.alfFaceName = OUString( lfFaceName ); + + // #i123216# Not used in the test case of #121382# (always identity in XForm), also + // no hints in ms docu if FontSize should be scaled with WT. Using with the example + // from #i123216# creates errors, so removing. + + // // #i121382# Need to apply WorldTransform to FontHeight/Width; this should be completely + // // changed to basegfx::B2DHomMatrix instead of 'struct XForm', but not now due to time + // // constraints and dangers + // const XForm& rXF = GetWorldTransform(); + // const basegfx::B2DHomMatrix aWT(rXF.eM11, rXF.eM21, rXF.eDx, rXF.eM12, rXF.eM22, rXF.eDy); + // const basegfx::B2DVector aTransVec(aWT * basegfx::B2DVector(aLogFont.lfWidth, aLogFont.lfHeight)); + // aLogFont.lfWidth = aTransVec.getX(); + // aLogFont.lfHeight = aTransVec.getY(); + if (mpInputStream->good() && aLogFont.lfHeight != SAL_MIN_INT32 && aLogFont.lfWidth != SAL_MIN_INT32) + { + CreateObjectIndexed(nIndex, std::make_unique<WinMtfFontStyle>( aLogFont )); + } + } + } + break; + + case EMR_POLYTEXTOUTA : + case EMR_EXTTEXTOUTA : + bFlag = true; + [[fallthrough]]; + case EMR_POLYTEXTOUTW : + case EMR_EXTTEXTOUTW : + { + sal_Int32 nLeft, nTop, nRight, nBottom; + sal_uInt32 nGfxMode; + float nXScale, nYScale; + sal_uInt32 ncStrings( 1 ); + sal_Int32 ptlReferenceX, ptlReferenceY; + sal_uInt32 nLen, nOffString, nOptions, offDx; + sal_Int32 nLeftRect, nTopRect, nRightRect, nBottomRect; + + nCurPos = mpInputStream->Tell() - 8; + + mpInputStream->ReadInt32( nLeft ).ReadInt32( nTop ).ReadInt32( nRight ).ReadInt32( nBottom ) + .ReadUInt32( nGfxMode ).ReadFloat( nXScale ).ReadFloat( nYScale ); + SAL_INFO("emfio", "\t\tBounds: " << nLeft << ", " << nTop << ", " << nRight << ", " << nBottom); + SAL_INFO("emfio", "\t\tiGraphicsMode: 0x" << std::hex << nGfxMode << std::dec); + SAL_INFO("emfio", "\t\t Scale: " << nXScale << " x " << nYScale); + if ( ( nRecType == EMR_POLYTEXTOUTA ) || ( nRecType == EMR_POLYTEXTOUTW ) ) + { + mpInputStream->ReadUInt32( ncStrings ); + SAL_INFO("emfio", "\t\t Number of Text objects: " << ncStrings); + if ( ncStrings == 0 ) + break; + } + mpInputStream->ReadInt32( ptlReferenceX ).ReadInt32( ptlReferenceY ).ReadUInt32( nLen ).ReadUInt32( nOffString ).ReadUInt32( nOptions ); + SAL_INFO("emfio", "\t\tReference: (" << ptlReferenceX << ", " << ptlReferenceY << ")"); + + mpInputStream->ReadInt32( nLeftRect ).ReadInt32( nTopRect ).ReadInt32( nRightRect ).ReadInt32( nBottomRect ); + mpInputStream->ReadUInt32( offDx ); + + if (!mpInputStream->good()) + bStatus = false; + else + { + const tools::Rectangle aRect( nLeftRect, nTopRect, nRightRect, nBottomRect ); + const BackgroundMode mnBkModeBackup = mnBkMode; + if ( nOptions & ETO_NO_RECT ) // Don't draw the background rectangle and text background + mnBkMode = BackgroundMode::Transparent; + else if ( nOptions & ETO_OPAQUE ) + DrawRectWithBGColor( aRect ); + + // ETO_RTLREADING indicates that the characters are laid from right to left + vcl::text::ComplexTextLayoutFlags nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::Default; + if ( nOptions & ETO_RTLREADING ) + nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::TextOriginLeft; + SetTextLayoutMode( nTextLayoutMode ); + SAL_WARN_IF( ( nOptions & ( ETO_PDY | ETO_GLYPH_INDEX ) ) != 0, "emfio", "SJ: ETO_PDY || ETO_GLYPH_INDEX in EMF" ); + + Point aPos( ptlReferenceX, ptlReferenceY ); + bool bOffStringSane = nOffString <= mnEndPos - nCurPos; + if ( bOffStringSane ) + { + mpInputStream->Seek( nCurPos + nOffString ); + OUString aText; + if ( bFlag ) + { + if ( nLen <= ( mnEndPos - mpInputStream->Tell() ) ) + { + std::vector<char> pBuf( nLen ); + mpInputStream->ReadBytes(pBuf.data(), nLen); + aText = OUString(pBuf.data(), nLen, GetCharSet()); + } + } + else + { + if ( ( nLen * sizeof(sal_Unicode) ) <= ( mnEndPos - mpInputStream->Tell() ) ) + { + aText = read_uInt16s_ToOUString(*mpInputStream, nLen); + } + } + + SAL_INFO("emfio", "\t\tText: " << aText); + SAL_INFO("emfio", "\t\tDxBuffer:"); + + std::vector<sal_Int32> aDXAry; + std::unique_ptr<tools::Long[]> pDYAry; + + sal_Int32 nDxSize; + sal_Int32 nBytesEach; + + // Reading OutputDx + // ETO_PDY flag indicates that we should read twice values + // compared to the number of characters in the output string. + // Values are stored in an array of 32-bit unsigned integers + // named OutputDx, so there will be either 8 bytes or 4 bytes + // each depending on ETO_PDY is set or not. + if (nOptions & ETO_PDY) + nBytesEach = 8; + else + nBytesEach = 4; + + bool bOverflow = o3tl::checked_multiply<sal_Int32>(nLen, nBytesEach, nDxSize); + if (!bOverflow && offDx && ((nCurPos + offDx + nDxSize) <= nNextPos ) && nNextPos <= mnEndPos) + { + mpInputStream->Seek( nCurPos + offDx ); + aDXAry.resize(aText.getLength()); + if (nOptions & ETO_PDY) + { + pDYAry.reset( new tools::Long[aText.getLength()] ); + } + + for (sal_Int32 i = 0; i < aText.getLength(); ++i) + { + sal_Int32 nDxCount = 1; + if ( static_cast<sal_uInt32>( aText.getLength() ) != nLen ) + { + sal_Unicode cUniChar = aText[i]; + OString aTmp(&cUniChar, 1, GetCharSet()); + if (aTmp.getLength() > 1) + { + nDxCount = aTmp.getLength(); + } + } + + aDXAry[i] = 0; + if (nOptions & ETO_PDY) + { + pDYAry[i] = 0; + } + + while (nDxCount--) + { + sal_Int32 nDxTmp = 0; + mpInputStream->ReadInt32(nDxTmp); + aDXAry[i] = o3tl::saturating_add(aDXAry[i], nDxTmp); + if (nOptions & ETO_PDY) + { + sal_Int32 nDyTmp = 0; + mpInputStream->ReadInt32(nDyTmp); + pDYAry[i] += nDyTmp; + } + } + + SAL_INFO("emfio", "\t\t\tSpacing " << i << ": " << aDXAry[i]); + } + } + if ( nOptions & ETO_CLIPPED ) + { + Push(); // Save the current clip. It will be restored after text drawing + IntersectClipRect( aRect ); + } + DrawText(aPos, aText, aDXAry.empty() ? nullptr : &aDXAry, pDYAry.get(), mbRecordPath, static_cast<GraphicsMode>(nGfxMode)); + if ( nOptions & ETO_CLIPPED ) + Pop(); + } + mnBkMode = mnBkModeBackup; + } + } + break; + + case EMR_POLYBEZIERTO16 : + DrawPolyBezier(ReadPolygonWithSkip<sal_Int16>(true, nNextPos), true, mbRecordPath); + break; + + case EMR_POLYBEZIER16 : + DrawPolyBezier(ReadPolygonWithSkip<sal_Int16>(false, nNextPos), false, mbRecordPath); + break; + + case EMR_POLYGON16 : + DrawPolygon(ReadPolygonWithSkip<sal_Int16>(false, nNextPos), mbRecordPath); + break; + + case EMR_POLYLINETO16 : + DrawPolyLine(ReadPolygonWithSkip<sal_Int16>(true, nNextPos), true, mbRecordPath); + break; + + case EMR_POLYLINE16 : + DrawPolyLine(ReadPolygonWithSkip<sal_Int16>(false, nNextPos), false, mbRecordPath); + break; + + case EMR_POLYPOLYLINE16 : + ReadAndDrawPolyLine<sal_Int16>(nNextPos); + break; + + case EMR_POLYPOLYGON16 : + ReadAndDrawPolyPolygon<sal_Int16>(nNextPos); + break; + + case EMR_FILLRGN : + { + sal_uInt32 nRemainingRecSize = nRecSize - 8; + if (nRemainingRecSize < 24) + bStatus = false; + else + { + sal_uInt32 nRgnDataSize; + basegfx::B2DPolyPolygon aPolyPoly; + mpInputStream->SeekRel(16); // RectL bounds + mpInputStream->ReadUInt32( nRgnDataSize ).ReadUInt32( nIndex ); + nRemainingRecSize -= 24; + + if (ImplReadRegion(aPolyPoly, *mpInputStream, nRemainingRecSize)) + { + Push(); + SelectObject( nIndex ); + tools::PolyPolygon aPolyPolygon(aPolyPoly); + DrawPolyPolygon( aPolyPolygon ); + Pop(); + } + } + } + break; + + case EMR_PAINTRGN : + { + sal_uInt32 nRemainingRecSize = nRecSize - 8; + if (nRemainingRecSize < 20) + bStatus = false; + else + { + sal_uInt32 nRgnDataSize; + basegfx::B2DPolyPolygon aPolyPoly; + mpInputStream->SeekRel(16); // Skipping RectL bounds + mpInputStream->ReadUInt32( nRgnDataSize ); + nRemainingRecSize -= 20; + + if (ImplReadRegion(aPolyPoly, *mpInputStream, nRemainingRecSize)) + { + tools::PolyPolygon aPolyPolygon(aPolyPoly); + DrawPolyPolygon( aPolyPolygon ); + } + } + } + break; + + case EMR_CREATEDIBPATTERNBRUSHPT : + { + sal_uInt32 nStart = mpInputStream->Tell() - 8; + Bitmap aBitmap; + + mpInputStream->ReadUInt32( nIndex ); + + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 ) + { + sal_uInt32 usage, offBmi, cbBmi, offBits, cbBits; + + mpInputStream->ReadUInt32( usage ); + mpInputStream->ReadUInt32( offBmi ); + mpInputStream->ReadUInt32( cbBmi ); + mpInputStream->ReadUInt32( offBits ); + mpInputStream->ReadUInt32( cbBits ); + + if ( !mpInputStream->good() || (cbBits > (SAL_MAX_UINT32 - 14)) || ((SAL_MAX_UINT32 - 14) - cbBits < cbBmi) ) + bStatus = false; + else if ( offBmi ) + { + sal_uInt32 nSize = cbBmi + cbBits + 14; + if ( nSize <= ( mnEndPos - mnStartPos ) ) + { + char* pBuf = new char[ nSize ]; + + SvMemoryStream aTmp( pBuf, nSize, StreamMode::READ | StreamMode::WRITE ); + aTmp.ObjectOwnsMemory( true ); + aTmp.WriteUChar( 'B' ) + .WriteUChar( 'M' ) + .WriteUInt32( cbBits ) + .WriteUInt16( 0 ) + .WriteUInt16( 0 ) + .WriteUInt32( cbBmi + 14 ); + + mpInputStream->Seek( nStart + offBmi ); + char* pWritePos = pBuf + 14; + auto nRead = mpInputStream->ReadBytes(pWritePos, cbBmi); + if (nRead != cbBmi) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBmi - nRead); + } + + mpInputStream->Seek( nStart + offBits ); + pWritePos = pBuf + 14 + cbBmi; + nRead = mpInputStream->ReadBytes(pWritePos, cbBits); + if (nRead != cbBits) + { + // zero remainder if short read + memset(pWritePos + nRead, 0, cbBits - nRead); + } + + aTmp.Seek( 0 ); + ReadDIB(aBitmap, aTmp, true); + } + } + } + + CreateObjectIndexed(nIndex, std::make_unique<WinMtfFillStyle>( aBitmap )); + } + break; + + case EMR_MASKBLT : + case EMR_PLGBLT : + case EMR_SETDIBITSTODEVICE : + case EMR_FRAMERGN : + case EMR_INVERTRGN : + case EMR_FLATTENPATH : + case EMR_WIDENPATH : + case EMR_POLYDRAW : + case EMR_SETPALETTEENTRIES : + case EMR_RESIZEPALETTE : + case EMR_EXTFLOODFILL : + case EMR_ANGLEARC : + case EMR_SETCOLORADJUSTMENT : + case EMR_POLYDRAW16 : + case EMR_CREATECOLORSPACE : + case EMR_SETCOLORSPACE : + case EMR_DELETECOLORSPACE : + case EMR_GLSRECORD : + case EMR_GLSBOUNDEDRECORD : + case EMR_PIXELFORMAT : + case EMR_DRAWESCAPE : + case EMR_EXTESCAPE : + case EMR_STARTDOC : + case EMR_SMALLTEXTOUT : + case EMR_FORCEUFIMAPPING : + case EMR_NAMEDESCAPE : + case EMR_COLORCORRECTPALETTE : + case EMR_SETICMPROFILEA : + case EMR_SETICMPROFILEW : + case EMR_TRANSPARENTBLT : + case EMR_TRANSPARENTDIB : + case EMR_GRADIENTFILL : + case EMR_SETLINKEDUFIS : + case EMR_SETMAPPERFLAGS : + case EMR_SETICMMODE : + case EMR_CREATEMONOBRUSH : + case EMR_SETBRUSHORGEX : + case EMR_SETMETARGN : + case EMR_SETMITERLIMIT : + case EMR_EXCLUDECLIPRECT : + case EMR_REALIZEPALETTE : + case EMR_SELECTPALETTE : + case EMR_CREATEPALETTE : + case EMR_ALPHADIBBLEND : + case EMR_SETTEXTJUSTIFICATION : + { + SAL_WARN("emfio", "TODO: EMF record not implemented: " << record_type_name(nRecType)); + } + break; + + case EMR_COMMENT : + case EMR_HEADER : // has already been read at ReadHeader() + break; + + default : SAL_INFO("emfio", "Unknown Meta Action"); break; + } + } + mpInputStream->Seek( nNextPos ); + } + + // tdf#127471 + maScaledFontHelper.applyAlternativeFontScale(); + + if( !maBmpSaveList.empty() ) + ResolveBitmapActions( maBmpSaveList ); + + if ( bStatus ) + mpInputStream->Seek(mnEndPos); + + return bStatus; + }; + + bool EmfReader::ReadHeader() + { + // Spare me the METAFILEHEADER here + // Reading the METAHEADER - EMR_HEADER ([MS-EMF] section 2.3.4.2 EMR_HEADER Record Types) + sal_uInt32 nType(0), nHeaderSize(0); + mpInputStream->ReadUInt32(nType).ReadUInt32(nHeaderSize); + SAL_INFO ("emfio", "0x0-0x" << std::hex << nHeaderSize << " " << record_type_name(nType) << " size: " << std::dec << nHeaderSize); + if (nType != 0x00000001) + { + // per [MS-EMF] 2.3.4.2 EMF Header Record Types, type MUST be 0x00000001 + SAL_WARN("emfio", "EMF header type is not set to 0x00000001 - possibly corrupted file?"); + return false; + } + + // Start reading the EMR_HEADER Header object + + // bound size (RectL object, see [MS-WMF] section 2.2.2.19) + SAL_INFO("emfio", "\tBounding rectangle"); + tools::Rectangle rclBounds = ReadRectangle(); // rectangle in logical units + + // picture frame size (RectL object) + SAL_INFO("emfio", "\tPicture frame"); + tools::Rectangle rclFrame = ReadRectangle(); // rectangle in device units 1/100th mm + + sal_uInt32 nSignature(0); + mpInputStream->ReadUInt32(nSignature); + SAL_INFO("emfio", "\tSignature: 0x" << std::hex << nSignature << std::dec); + + // nSignature MUST be the ASCII characters "FME", see [WS-EMF] 2.2.9 Header Object + // and 2.1.14 FormatSignature Enumeration + if (nSignature != 0x464d4520) + { + SAL_WARN("emfio", "EMF\t\tSignature is not 0x464d4520 (\"FME\") - possibly corrupted file?"); + return false; + } + + sal_uInt32 nVersion(0); + mpInputStream->ReadUInt32(nVersion); // according to [WS-EMF] 2.2.9, this SHOULD be 0x0001000, however + // Microsoft note that not even Windows checks this... + SAL_INFO("emfio", "\tVersion: 0x" << std::hex << nVersion << std::dec); + if (nVersion != 0x00010000) + { + SAL_WARN("emfio", "EMF\t\tThis really should be 0x00010000, though not absolutely essential..."); + } + + mpInputStream->ReadUInt32(mnEndPos); // size of metafile + SAL_INFO("emfio", "\tMetafile size: " << mnEndPos); + mnEndPos += mnStartPos; + + sal_uInt32 nStrmPos = mpInputStream->Tell(); // checking if mnEndPos is valid + sal_uInt32 nActualFileSize = nStrmPos + mpInputStream->remainingSize(); + + if ( nActualFileSize < mnEndPos ) + { + SAL_WARN("emfio", "EMF\t\tEMF Header object records number of bytes as " << mnEndPos + << ", however the file size is actually " << nActualFileSize + << " bytes. Possible file corruption?"); + mnEndPos = nActualFileSize; + } + + mpInputStream->ReadUInt32(mnRecordCount); + SAL_INFO("emfio", "\tRecords: " << mnRecordCount); + + // the number of "handles", or graphics objects used in the metafile + + sal_uInt16 nHandlesCount; + mpInputStream->ReadUInt16(nHandlesCount); + SAL_INFO("emfio", "\tGraphics: " << nHandlesCount); + + // the next 2 bytes are reserved, but according to [MS-EMF] section 2.2.9 + // it MUST be 0x000 and MUST be ignored... the thing is, having such a specific + // value is actually pretty useful in checking if there is possible corruption + + sal_uInt16 nReserved(0); + mpInputStream->ReadUInt16(nReserved); + SAL_INFO("emfio", "\tReserved: 0x" << std::hex << nReserved << std::dec); + + if ( nReserved != 0x0000 ) + { + SAL_WARN("emfio", "EMF\t\tEMF Header object's reserved field is NOT 0x0000... possible " + "corruption?"); + } + + // The next 4 bytes specifies the number of characters in the metafile description. + // The 4 bytes after that specific the offset from this record that contains the + // metafile description... zero means no description string. + // For now, we ignore it. + + mpInputStream->SeekRel(0x8); + + sal_uInt32 nPalEntries(0); + mpInputStream->ReadUInt32(nPalEntries); + SAL_INFO("emfio", "\tPalette entries: " << nPalEntries); + sal_Int32 nPixX(0), nPixY(0), nMillX(0), nMillY(0); + mpInputStream->ReadInt32(nPixX); + mpInputStream->ReadInt32(nPixY); + SAL_INFO("emfio", "\tRef (pixels): " << nPixX << ", " << nPixY); + mpInputStream->ReadInt32(nMillX); + mpInputStream->ReadInt32(nMillY); + SAL_INFO("emfio", "\tRef (mm): " << nMillX << ", " << nMillY); + + SetrclFrame(rclFrame); + SetrclBounds(rclBounds); + SetRefPix(Size( nPixX, nPixY ) ); + SetRefMill(Size( nMillX, nMillY ) ); + + return checkSeek(*mpInputStream, mnStartPos + nHeaderSize); + } + + tools::Rectangle EmfReader::ReadRectangle() + { + sal_Int32 nLeft(0), nTop(0), nRight(0), nBottom(0); + mpInputStream->ReadInt32(nLeft); + mpInputStream->ReadInt32(nTop); + mpInputStream->ReadInt32(nRight); + mpInputStream->ReadInt32(nBottom); + + SAL_INFO("emfio", "\t\tLeft: " << nLeft << ", top: " << nTop << ", right: " << nRight << ", bottom: " << nBottom); + if (nLeft > nRight || nTop > nBottom) + { + SAL_WARN("emfio", "broken rectangle"); + return tools::Rectangle::Justify(Point(nLeft, nTop), Point(nRight, nBottom)); + } + + return tools::Rectangle(nLeft, nTop, nRight, nBottom); + } + + tools::Rectangle EmfReader::ReadRectangle( sal_Int32 x1, sal_Int32 y1, sal_Int32 x2, sal_Int32 y2 ) + { + Point aTL(x1, y1); + Point aBR(o3tl::saturating_add<sal_Int32>(x2, -1), o3tl::saturating_add<sal_Int32>(y2, -1)); + return tools::Rectangle(aTL, aBR); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/emfio/source/reader/mtftools.cxx b/emfio/source/reader/mtftools.cxx new file mode 100644 index 000000000..85429a501 --- /dev/null +++ b/emfio/source/reader/mtftools.cxx @@ -0,0 +1,2528 @@ +/* -*- 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 <mtftools.hxx> + +#include <cstdlib> +#include <memory> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <basegfx/polygon/b2dpolypolygontools.hxx> +#include <vcl/metric.hxx> +#include <vcl/graphictools.hxx> +#include <vcl/BitmapTools.hxx> +#include <vcl/metaact.hxx> +#include <vcl/canvastools.hxx> +#include <vcl/svapp.hxx> +#include <tools/stream.hxx> +#include <rtl/tencinfo.h> +#include <sal/log.hxx> +#include <osl/diagnose.h> +#include <vcl/virdev.hxx> +#include <o3tl/safeint.hxx> +#include <unotools/configmgr.hxx> +#include <unotools/defaultencoding.hxx> +#include <unotools/wincodepage.hxx> + +#if OSL_DEBUG_LEVEL > 1 +#define EMFP_DEBUG(x) x +#else +#define EMFP_DEBUG(x) +#endif + +namespace emfio +{ + SvStream& operator >> (SvStream& rInStream, XForm& rXForm) + { + if (sizeof(float) != 4) + { + OSL_FAIL("EmfReader::sizeof( float ) != 4"); + rXForm = XForm(); + } + else + { + rInStream.ReadFloat(rXForm.eM11); + rInStream.ReadFloat(rXForm.eM12); + rInStream.ReadFloat(rXForm.eM21); + rInStream.ReadFloat(rXForm.eM22); + rInStream.ReadFloat(rXForm.eDx); + rInStream.ReadFloat(rXForm.eDy); + } + return rInStream; + } + + void WinMtfClipPath::intersectClip( const basegfx::B2DPolyPolygon& rPolyPolygon ) + { + maClip.intersectPolyPolygon(rPolyPolygon); + } + + void WinMtfClipPath::excludeClip( const basegfx::B2DPolyPolygon& rPolyPolygon ) + { + maClip.subtractPolyPolygon(rPolyPolygon); + } + + void WinMtfClipPath::setClipPath( const basegfx::B2DPolyPolygon& rB2DPoly, RegionMode nClippingMode ) + { + switch ( nClippingMode ) + { + case RegionMode::RGN_OR : + maClip.unionPolyPolygon(rB2DPoly); + break; + case RegionMode::RGN_XOR : + maClip.xorPolyPolygon(rB2DPoly); + break; + case RegionMode::RGN_DIFF : + maClip.subtractPolyPolygon(rB2DPoly); + break; + case RegionMode::RGN_AND : + maClip.intersectPolyPolygon(rB2DPoly); + break; + case RegionMode::RGN_COPY : + maClip = basegfx::utils::B2DClipState(rB2DPoly); + break; + } + } + + void WinMtfClipPath::moveClipRegion( const Size& rSize ) + { + basegfx::B2DHomMatrix aTranslate; + aTranslate.translate(rSize.Width(), rSize.Height()); + maClip.transform(aTranslate); + } + + void WinMtfClipPath::setDefaultClipPath() + { + // Empty clip region - everything visible + maClip = basegfx::utils::B2DClipState(); + } + + basegfx::B2DPolyPolygon const & WinMtfClipPath::getClipPath() const + { + return maClip.getClipPoly(); + } + + void WinMtfPathObj::AddPoint( const Point& rPoint ) + { + if ( bClosed ) + Insert( tools::Polygon() ); + tools::Polygon& rPoly = static_cast<tools::PolyPolygon&>(*this)[ Count() - 1 ]; + rPoly.Insert( rPoly.GetSize(), rPoint ); + bClosed = false; + } + + void WinMtfPathObj::AddPolyLine( const tools::Polygon& rPolyLine ) + { + if ( bClosed ) + Insert( tools::Polygon() ); + tools::Polygon& rPoly = static_cast<tools::PolyPolygon&>(*this)[ Count() - 1 ]; + rPoly.Insert( rPoly.GetSize(), rPolyLine ); + bClosed = false; + } + + void WinMtfPathObj::AddPolygon( const tools::Polygon& rPoly ) + { + Insert( rPoly ); + bClosed = true; + } + + void WinMtfPathObj::AddPolyPolygon( const tools::PolyPolygon& rPolyPoly ) + { + sal_uInt16 i, nCount = rPolyPoly.Count(); + for ( i = 0; i < nCount; i++ ) + Insert( rPolyPoly[ i ] ); + bClosed = true; + } + + void WinMtfPathObj::ClosePath() + { + if ( Count() ) + { + tools::Polygon& rPoly = static_cast<tools::PolyPolygon&>(*this)[ Count() - 1 ]; + if ( rPoly.GetSize() > 2 ) + { + Point aFirst( rPoly[ 0 ] ); + if ( aFirst != rPoly[ rPoly.GetSize() - 1 ] ) + rPoly.Insert( rPoly.GetSize(), aFirst ); + } + } + bClosed = true; + } + + WinMtfFontStyle::WinMtfFontStyle( LOGFONTW const & rFont ) + { + rtl_TextEncoding eCharSet; + if ((rFont.alfFaceName == "Symbol") + || (rFont.alfFaceName == "MT Extra")) + eCharSet = RTL_TEXTENCODING_SYMBOL; + else if ((rFont.lfCharSet == DEFAULT_CHARSET) || (rFont.lfCharSet == OEM_CHARSET)) + eCharSet = utl_getWinTextEncodingFromLangStr(utl_getLocaleForGlobalDefaultEncoding(), + rFont.lfCharSet == OEM_CHARSET); + else + eCharSet = rtl_getTextEncodingFromWindowsCharset( rFont.lfCharSet ); + if ( eCharSet == RTL_TEXTENCODING_DONTKNOW ) + eCharSet = RTL_TEXTENCODING_MS_1252; + aFont.SetCharSet( eCharSet ); + aFont.SetFamilyName( rFont.alfFaceName ); + FontFamily eFamily; + switch ( rFont.lfPitchAndFamily >> 4 & 0x0f ) + { + case FamilyFont::FF_ROMAN: + eFamily = FAMILY_ROMAN; + break; + + case FamilyFont::FF_SWISS: + eFamily = FAMILY_SWISS; + break; + + case FamilyFont::FF_MODERN: + eFamily = FAMILY_MODERN; + break; + + case FamilyFont::FF_SCRIPT: + eFamily = FAMILY_SCRIPT; + break; + + case FamilyFont::FF_DECORATIVE: + eFamily = FAMILY_DECORATIVE; + break; + + default: + eFamily = FAMILY_DONTKNOW; + break; + } + aFont.SetFamily( eFamily ); + + FontPitch ePitch; + switch ( rFont.lfPitchAndFamily & 0x0f ) + { + case FIXED_PITCH: + ePitch = PITCH_FIXED; + break; + + case DEFAULT_PITCH: + case VARIABLE_PITCH: + default: + ePitch = PITCH_VARIABLE; + break; + } + aFont.SetPitch( ePitch ); + + FontWeight eWeight; + if (rFont.lfWeight == 0) // default weight SHOULD be used + eWeight = WEIGHT_DONTKNOW; + else if (rFont.lfWeight <= FW_THIN) + eWeight = WEIGHT_THIN; + else if( rFont.lfWeight <= FW_ULTRALIGHT ) + eWeight = WEIGHT_ULTRALIGHT; + else if( rFont.lfWeight <= FW_LIGHT ) + eWeight = WEIGHT_LIGHT; + else if( rFont.lfWeight < FW_MEDIUM ) + eWeight = WEIGHT_NORMAL; + else if( rFont.lfWeight == FW_MEDIUM ) + eWeight = WEIGHT_MEDIUM; + else if( rFont.lfWeight <= FW_SEMIBOLD ) + eWeight = WEIGHT_SEMIBOLD; + else if( rFont.lfWeight <= FW_BOLD ) + eWeight = WEIGHT_BOLD; + else if( rFont.lfWeight <= FW_ULTRABOLD ) + eWeight = WEIGHT_ULTRABOLD; + else + eWeight = WEIGHT_BLACK; + aFont.SetWeight( eWeight ); + + if( rFont.lfItalic ) + aFont.SetItalic( ITALIC_NORMAL ); + + if( rFont.lfUnderline ) + aFont.SetUnderline( LINESTYLE_SINGLE ); + + if( rFont.lfStrikeOut ) + aFont.SetStrikeout( STRIKEOUT_SINGLE ); + + aFont.SetOrientation( Degree10(static_cast<sal_Int16>(rFont.lfEscapement)) ); + + Size aFontSize( Size( rFont.lfWidth, rFont.lfHeight ) ); + if ( rFont.lfHeight > 0 ) + { + // #i117968# VirtualDevice is not thread safe, but filter is used in multithreading + SolarMutexGuard aGuard; + ScopedVclPtrInstance< VirtualDevice > pVDev; + // converting the cell height into a font height + aFont.SetFontSize( aFontSize ); + pVDev->SetFont( aFont ); + FontMetric aMetric( pVDev->GetFontMetric() ); + tools::Long nHeight = aMetric.GetAscent() + aMetric.GetDescent(); + if (nHeight) + { + double fHeight = (static_cast<double>(aFontSize.Height()) * rFont.lfHeight ) / nHeight; + aFontSize.setHeight( static_cast<sal_Int32>( fHeight + 0.5 ) ); + } + } + + // Convert height to positive + aFontSize.setHeight( std::abs(aFontSize.Height()) ); + aFont.SetFontSize(aFontSize); + + // tdf#127471 adapt nFontWidth from Windows-like notation to + // NormedFontScaling if used for text scaling +#ifndef _WIN32 + const bool bFontScaledHorizontally(aFontSize.Width() != 0 && aFontSize.Width() != aFontSize.Height()); + + if(bFontScaledHorizontally) + { + // tdf#127471 nFontWidth is the Windows FontScaling, need to convert to + // Non-Windowslike notation relative to FontHeight. + const tools::Long nAverageFontWidth(aFont.GetOrCalculateAverageFontWidth()); + + if(nAverageFontWidth > 0) + { + const double fScaleFactor(static_cast<double>(aFontSize.Height()) / static_cast<double>(nAverageFontWidth)); + aFont.SetAverageFontWidth(static_cast<tools::Long>(static_cast<double>(aFontSize.Width()) * fScaleFactor)); + } + } +#endif + }; + + // tdf#127471 + ScaledFontDetectCorrectHelper::ScaledFontDetectCorrectHelper() + { + } + + void ScaledFontDetectCorrectHelper::endCurrentMetaFontAction() + { + if(maCurrentMetaFontAction.is() && !maAlternativeFontScales.empty()) + { + // create average corrected FontScale value and count + // positive/negative hits + sal_uInt32 nPositive(0); + sal_uInt32 nNegative(0); + double fAverage(0.0); + + for(double fPart : maAlternativeFontScales) + { + if(fPart < 0.0) + { + nNegative++; + fAverage += -fPart; + } + else + { + nPositive++; + fAverage += fPart; + } + } + + fAverage /= static_cast<double>(maAlternativeFontScales.size()); + + if(nPositive >= nNegative) + { + // correction intended, it is probably an old imported file + maPositiveIdentifiedCases.push_back(std::pair<rtl::Reference<MetaFontAction>, double>(maCurrentMetaFontAction, fAverage)); + } + else + { + // correction not favorable in the majority of cases for this Font, still + // remember to have a weight in the last decision for correction + maNegativeIdentifiedCases.push_back(std::pair<rtl::Reference<MetaFontAction>, double>(maCurrentMetaFontAction, fAverage)); + } + } + + maCurrentMetaFontAction.clear(); + maAlternativeFontScales.clear(); + } + + void ScaledFontDetectCorrectHelper::newCurrentMetaFontAction(const rtl::Reference<MetaFontAction>& rNewMetaFontAction) + { + maCurrentMetaFontAction.clear(); + maAlternativeFontScales.clear(); + + if(!rNewMetaFontAction.is()) + return; + + // check 1st criteria for FontScale active. We usually write this, + // so this will already sort out most situations + const vcl::Font& rCandidate(rNewMetaFontAction->GetFont()); + + if(0 != rCandidate.GetAverageFontWidth()) + { + const tools::Long nUnscaledAverageFontWidth(rCandidate.GetOrCalculateAverageFontWidth()); + + // check 2nd (system-dependent) criteria for FontScale + if(nUnscaledAverageFontWidth != rCandidate.GetFontHeight()) + { + // FontScale is active, remember and use as current + maCurrentMetaFontAction = rNewMetaFontAction; + } + } + } + + void ScaledFontDetectCorrectHelper::evaluateAlternativeFontScale(OUString const & rText, tools::Long nImportedTextLength) + { + if(!maCurrentMetaFontAction.is()) + return; + + SolarMutexGuard aGuard; // VirtualDevice is not thread-safe + ScopedVclPtrInstance< VirtualDevice > pTempVirtualDevice; + + // calculate measured TextLength + const vcl::Font& rFontCandidate(maCurrentMetaFontAction->GetFont()); + pTempVirtualDevice->SetFont(rFontCandidate); + tools::Long nMeasuredTextLength(pTempVirtualDevice->GetTextWidth(rText)); + // on failure, use original length + if (!nMeasuredTextLength) + nMeasuredTextLength = nImportedTextLength; + + // compare expected and imported TextLengths + if (nImportedTextLength == nMeasuredTextLength) + return; + + const double fFactorText(static_cast<double>(nImportedTextLength) / static_cast<double>(nMeasuredTextLength)); + const double fFactorTextPercent(fabs(1.0 - fFactorText) * 100.0); + + // if we assume that loaded file was written on old linux, we have to + // back-convert the scale value depending on which system we run +#ifdef _WIN32 + // When running on Windows the value was not adapted at font import (see WinMtfFontStyle + // constructor), so it is still NormedFontScaling and we need to convert to Windows-style + // scaling +#else + // When running on unx (non-Windows) the value was already adapted at font import (see WinMtfFontStyle + // constructor). It was wrongly assumed to be Windows-style FontScaling, so we need to revert that + // to get back to the needed unx-style FontScale +#endif + // Interestingly this leads to the *same* correction, so no need to make this + // system-dependent (!) + const tools::Long nUnscaledAverageFontWidth(rFontCandidate.GetOrCalculateAverageFontWidth()); + const tools::Long nScaledAverageFontWidth(rFontCandidate.GetAverageFontWidth()); + const double fScaleFactor(static_cast<double>(nUnscaledAverageFontWidth) / static_cast<double>(rFontCandidate.GetFontHeight())); + const double fCorrectedAverageFontWidth(static_cast<double>(nScaledAverageFontWidth) * fScaleFactor); + tools::Long nCorrectedTextLength(0); + + { // do in own scope, only need nUnscaledAverageFontWidth + vcl::Font rFontCandidate2(rFontCandidate); + rFontCandidate2.SetAverageFontWidth(static_cast<tools::Long>(fCorrectedAverageFontWidth)); + pTempVirtualDevice->SetFont(rFontCandidate2); + nCorrectedTextLength = pTempVirtualDevice->GetTextWidth(rText); + // on failure, use original length + if (!nCorrectedTextLength) + nCorrectedTextLength = nImportedTextLength; + } + + const double fFactorCorrectedText(static_cast<double>(nImportedTextLength) / static_cast<double>(nCorrectedTextLength)); + const double fFactorCorrectedTextPercent(fabs(1.0 - fFactorCorrectedText) * 100.0); + + // If FactorCorrectedText fits better than FactorText this is probably + // an import of an old EMF/WMF written by LibreOffice on a non-Windows (unx) system + // and should be corrected. + // Usually in tested cases this lies inside 5% of range, so detecting this just using + // fFactorTextPercent inside 5% -> no old file + // fFactorCorrectedTextPercent inside 5% -> is old file + // works not too bad, but there are some strange not so often used fonts where that + // values do deviate, so better just compare if old corrected would fit better than + // the uncorrected case, that is usually safe. + if(fFactorCorrectedTextPercent < fFactorTextPercent) + { + maAlternativeFontScales.push_back(fCorrectedAverageFontWidth); + } + else + { + // also push, but negative to remember non-fitting case + maAlternativeFontScales.push_back(-fCorrectedAverageFontWidth); + } + } + + void ScaledFontDetectCorrectHelper::applyAlternativeFontScale() + { + // make sure last evtl. detected current FontAction gets added to identified cases + endCurrentMetaFontAction(); + + // Take final decision to correct FontScaling for this imported Metafile or not. + // It is possible to weight positive against negative cases, so to only finally + // correct when more positive cases were detected. + // But that would be inconsequent and wrong. *If* the detected case is an old import + // the whole file was written with wrong FontScale values and all Font actions + // need to be corrected. Thus, for now, correct all when there are/is positive + // cases detected. + // On the other hand it *may* be that for some strange fonts there is a false-positive + // in the positive cases, so at least insist on positive cases being more than negative. + // Still, do then correct *all* cases. + if(!maPositiveIdentifiedCases.empty() + && maPositiveIdentifiedCases.size() >= maNegativeIdentifiedCases.size()) + { + for(std::pair<rtl::Reference<MetaFontAction>, double>& rCandidate : maPositiveIdentifiedCases) + { + rCandidate.first->correctFontScale(static_cast<tools::Long>(rCandidate.second)); + } + for(std::pair<rtl::Reference<MetaFontAction>, double>& rCandidate : maNegativeIdentifiedCases) + { + rCandidate.first->correctFontScale(static_cast<tools::Long>(rCandidate.second)); + } + } + + maPositiveIdentifiedCases.clear(); + maNegativeIdentifiedCases.clear(); + } + + Color MtfTools::ReadColor() + { + sal_uInt32 nColor(0); + mpInputStream->ReadUInt32( nColor ); + Color aColor( COL_BLACK ); + if ( ( nColor & 0xFFFF0000 ) == 0x01000000 ) + { + size_t index = nColor & 0x0000FFFF; + if ( index < maPalette.aPaletteColors.size() ) + aColor = maPalette.aPaletteColors[ index ]; + else + SAL_INFO( "emfio", "\t\t Palette index out of range: " << index ); + } + else + aColor = Color( static_cast<sal_uInt8>( nColor ), static_cast<sal_uInt8>( nColor >> 8 ), static_cast<sal_uInt8>( nColor >> 16 ) ); + + SAL_INFO("emfio", "\t\tColor: " << aColor); + return aColor; + }; + + Point MtfTools::ImplScale(const Point& rPoint) // Hack to set varying defaults for incompletely defined files. + { + if (!mbIsMapDevSet) + return Point(rPoint.X() * UNDOCUMENTED_WIN_RCL_RELATION - mrclFrame.Left(), + rPoint.Y() * UNDOCUMENTED_WIN_RCL_RELATION - mrclFrame.Top()); + else + return rPoint; + } + + Point MtfTools::ImplMap( const Point& rPt ) + { + if ( mnWinExtX && mnWinExtY ) + { + double fX = rPt.X(); + double fY = rPt.Y(); + + double fX2 = fX * maXForm.eM11 + fY * maXForm.eM21 + maXForm.eDx; + double fY2 = fX * maXForm.eM12 + fY * maXForm.eM22 + maXForm.eDy; + + if ( meGfxMode == GraphicsMode::GM_COMPATIBLE ) + { + fX2 -= mnWinOrgX; + fY2 -= mnWinOrgY; + + switch( meMapMode ) + { + case MappingMode::MM_LOENGLISH : + { + fX2 = o3tl::convert(fX2, o3tl::Length::in100, o3tl::Length::mm100); + fY2 = o3tl::convert(-fY2, o3tl::Length::in100, o3tl::Length::mm100); + } + break; + case MappingMode::MM_HIENGLISH : + { + fX2 = o3tl::convert(fX2, o3tl::Length::in1000, o3tl::Length::mm100); + fY2 = o3tl::convert(-fY2, o3tl::Length::in1000, o3tl::Length::mm100); + } + break; + case MappingMode::MM_TWIPS: + { + fX2 = o3tl::convert(fX2, o3tl::Length::twip, o3tl::Length::mm100); + fY2 = o3tl::convert(-fY2, o3tl::Length::twip, o3tl::Length::mm100); + } + break; + case MappingMode::MM_LOMETRIC : + { + fX2 = o3tl::convert(fX2, o3tl::Length::mm10, o3tl::Length::mm100); + fY2 = o3tl::convert(-fY2, o3tl::Length::mm10, o3tl::Length::mm100); + } + break; + case MappingMode::MM_HIMETRIC : // in hundredth of a millimeter + { + fY2 *= -1; + } + break; + default : + { + if (mnPixX == 0 || mnPixY == 0) + { + SAL_WARN("emfio", "invalid scaling factor"); + return Point(); + } + else + { + if ( meMapMode != MappingMode::MM_TEXT ) + { + fX2 /= mnWinExtX; + fY2 /= mnWinExtY; + fX2 *= mnDevWidth; + fY2 *= mnDevHeight; + } + fX2 *= static_cast<double>(mnMillX) * 100.0 / static_cast<double>(mnPixX); + fY2 *= static_cast<double>(mnMillY) * 100.0 / static_cast<double>(mnPixY); + } + } + break; + } + + double nDevOrgX = mnDevOrgX; + if (mnPixX) + nDevOrgX *= static_cast<double>(mnMillX) * 100.0 / static_cast<double>(mnPixX); + fX2 += nDevOrgX; + double nDevOrgY = mnDevOrgY; + if (mnPixY) + nDevOrgY *= static_cast<double>(mnMillY) * 100.0 / static_cast<double>(mnPixY); + fY2 += nDevOrgY; + + fX2 -= mrclFrame.Left(); + fY2 -= mrclFrame.Top(); + } + return Point(basegfx::fround(fX2), basegfx::fround(fY2)); + } + else + return Point(); + }; + + Size MtfTools::ImplMap(const Size& rSz, bool bDoWorldTransform) + { + if ( mnWinExtX && mnWinExtY ) + { + // #i121382# apply the whole WorldTransform, else a rotation will be misinterpreted + double fWidth, fHeight; + if (bDoWorldTransform) + { + fWidth = rSz.Width() * maXForm.eM11 + rSz.Height() * maXForm.eM21; + fHeight = rSz.Width() * maXForm.eM12 + rSz.Height() * maXForm.eM22; + } + else + { + //take the scale, but not the rotation + basegfx::B2DHomMatrix aMatrix(maXForm.eM11, maXForm.eM12, 0, + maXForm.eM21, maXForm.eM22, 0); + basegfx::B2DTuple aScale, aTranslate; + double fRotate, fShearX; + if (!aMatrix.decompose(aScale, aTranslate, fRotate, fShearX)) + { + aScale.setX(1.0); + aScale.setY(1.0); + } + fWidth = rSz.Width() * aScale.getX(); + fHeight = rSz.Height() * aScale.getY(); + } + + if ( meGfxMode == GraphicsMode::GM_COMPATIBLE ) + { + switch( meMapMode ) + { + case MappingMode::MM_LOENGLISH : + { + fWidth = o3tl::convert(fWidth, o3tl::Length::in100, o3tl::Length::mm100); + fHeight = o3tl::convert(-fHeight, o3tl::Length::in100, o3tl::Length::mm100); + } + break; + case MappingMode::MM_HIENGLISH : + { + fWidth = o3tl::convert(fWidth, o3tl::Length::in1000, o3tl::Length::mm100); + fHeight = o3tl::convert(-fHeight, o3tl::Length::in1000, o3tl::Length::mm100); + } + break; + case MappingMode::MM_LOMETRIC : + { + fWidth = o3tl::convert(fWidth, o3tl::Length::mm10, o3tl::Length::mm100); + fHeight = o3tl::convert(-fHeight, o3tl::Length::mm10, o3tl::Length::mm100); + } + break; + case MappingMode::MM_HIMETRIC : // in hundredth of millimeters + { + fHeight *= -1; + } + break; + case MappingMode::MM_TWIPS: + { + fWidth = o3tl::convert(fWidth, o3tl::Length::twip, o3tl::Length::mm100); + fHeight = o3tl::convert(-fHeight, o3tl::Length::twip, o3tl::Length::mm100); + } + break; + default : + { + if (mnPixX == 0 || mnPixY == 0) + { + SAL_WARN("emfio", "invalid scaling factor"); + return Size(); + } + else + { + if ( meMapMode != MappingMode::MM_TEXT ) + { + fWidth /= mnWinExtX; + fHeight /= mnWinExtY; + fWidth *= mnDevWidth; + fHeight *= mnDevHeight; + } + fWidth *= static_cast<double>(mnMillX) * 100.0 / static_cast<double>(mnPixX); + fHeight *= static_cast<double>(mnMillY) * 100.0 / static_cast<double>(mnPixY); + } + } + break; + } + } + return Size(basegfx::fround(fWidth), basegfx::fround(fHeight)); + } + else + return Size(); + } + + tools::Rectangle MtfTools::ImplMap( const tools::Rectangle& rRect ) + { + tools::Rectangle aRect; + aRect.SetPos(ImplMap(rRect.TopLeft())); + aRect.SaturatingSetSize(ImplMap(rRect.GetSize())); + return aRect; + } + + void MtfTools::ImplMap( vcl::Font& rFont ) + { + // !!! HACK: we now always set the width to zero because the OS width is interpreted differently; + // must later be made portable in SV (KA 1996-02-08) + Size aFontSize = ImplMap (rFont.GetFontSize(), false); + + const auto nHeight = aFontSize.Height(); + if (nHeight < 0) + aFontSize.setHeight( o3tl::saturating_toggle_sign(nHeight) ); + + rFont.SetFontSize( aFontSize ); + + sal_Int32 nResult; + const bool bFail = o3tl::checked_multiply(mnWinExtX, mnWinExtY, nResult); + if (!bFail && nResult < 0) + rFont.SetOrientation( 3600_deg10 - rFont.GetOrientation() ); + } + + tools::Polygon& MtfTools::ImplMap( tools::Polygon& rPolygon ) + { + sal_uInt16 nPoints = rPolygon.GetSize(); + for ( sal_uInt16 i = 0; i < nPoints; i++ ) + { + rPolygon[ i ] = ImplMap( rPolygon[ i ] ); + } + return rPolygon; + } + + void MtfTools::ImplScale( tools::Polygon& rPolygon ) + { + sal_uInt16 nPoints = rPolygon.GetSize(); + for ( sal_uInt16 i = 0; i < nPoints; i++ ) + { + rPolygon[ i ] = ImplScale( rPolygon[ i ] ); + } + } + + tools::PolyPolygon& MtfTools::ImplScale( tools::PolyPolygon& rPolyPolygon ) + { + sal_uInt16 nPolys = rPolyPolygon.Count(); + for (sal_uInt16 i = 0; i < nPolys; ++i) + { + ImplScale(rPolyPolygon[i]); + } + return rPolyPolygon; + } + + tools::PolyPolygon& MtfTools::ImplMap( tools::PolyPolygon& rPolyPolygon ) + { + sal_uInt16 nPolys = rPolyPolygon.Count(); + for ( sal_uInt16 i = 0; i < nPolys; ImplMap( rPolyPolygon[ i++ ] ) ) ; + return rPolyPolygon; + } + + void MtfTools::SelectObject( sal_uInt32 nIndex ) + { + if ( nIndex & ENHMETA_STOCK_OBJECT ) + { + SAL_INFO ( "emfio", "\t\t ENHMETA_STOCK_OBJECT, StockObject Enumeration: 0x" << std::hex << nIndex ); + StockObject nStockId = static_cast<StockObject>(nIndex & 0xFF); + switch( nStockId ) + { + case StockObject::WHITE_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_WHITE ); + mbFillStyleSelected = true; + } + break; + case StockObject::LTGRAY_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_LIGHTGRAY ); + mbFillStyleSelected = true; + } + break; + case StockObject::GRAY_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_GRAY ); + mbFillStyleSelected = true; + } + break; + case StockObject::DKGRAY_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_GRAY7 ); + mbFillStyleSelected = true; + } + break; + case StockObject::BLACK_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_BLACK ); + mbFillStyleSelected = true; + } + break; + case StockObject::NULL_BRUSH : + { + maFillStyle = WinMtfFillStyle( COL_TRANSPARENT, true ); + mbFillStyleSelected = true; + } + break; + case StockObject::WHITE_PEN : + { + maLineStyle = WinMtfLineStyle( COL_WHITE ); + } + break; + case StockObject::BLACK_PEN : + { + maLineStyle = WinMtfLineStyle( COL_BLACK ); + } + break; + case StockObject::NULL_PEN : + { + maLineStyle = WinMtfLineStyle( COL_TRANSPARENT, true ); + } + break; + default: + break; + } + } + else + { + nIndex &= 0xffff; // safety check: don't allow index to be > 65535 + + GDIObj *pGDIObj = nullptr; + + if ( nIndex < mvGDIObj.size() ) + pGDIObj = mvGDIObj[ nIndex ].get(); + + if ( pGDIObj ) + { + + SAL_INFO ( "emfio", "\t\t Index: " << nIndex ); + if (const auto pen = dynamic_cast<WinMtfLineStyle*>(pGDIObj)) + { + maLineStyle = *pen; + SAL_INFO ( "emfio", "\t Line Style, Color: 0x" << std::hex << maLineStyle.aLineColor + << ", Weight: " << maLineStyle.aLineInfo.GetWidth() ); + } + else if (const auto brush = dynamic_cast<WinMtfFillStyle*>( + pGDIObj)) + { + maFillStyle = *brush; + mbFillStyleSelected = true; + SAL_INFO("emfio", "\t\tBrush Object, Index: " << nIndex << ", Color: " << maFillStyle.aFillColor); + } + else if (const auto font = dynamic_cast<WinMtfFontStyle*>( + pGDIObj)) + { + maFont = font->aFont; + SAL_INFO("emfio", "\t\tFont Object, Index: " << nIndex << ", Font: " << maFont.GetFamilyName() << " " << maFont.GetStyleName()); + } + else if (const auto palette = dynamic_cast<WinMtfPalette*>( + pGDIObj)) + { + maPalette = palette->aPaletteColors; + SAL_INFO("emfio", "\t\tPalette Object, Index: " << nIndex << ", Number of colours: " << maPalette.aPaletteColors.size() ); + } + } + else + { + SAL_WARN("emfio", "Warning: Unable to find Object with index:" << nIndex); + } + } + } + + void MtfTools::SetTextLayoutMode( vcl::text::ComplexTextLayoutFlags nTextLayoutMode ) + { + mnTextLayoutMode = nTextLayoutMode; + } + + void MtfTools::SetArcDirection(bool bClockWise) + { + SAL_INFO("emfio", "\t\t Arc direction: " << (bClockWise ? "ClockWise" : "CounterClockWise")); + mbClockWiseArcDirection = bClockWise; + } + + void MtfTools::SetBkMode( BackgroundMode nMode ) + { + mnBkMode = nMode; + } + + void MtfTools::SetBkColor( const Color& rColor ) + { + maBkColor = rColor; + } + + void MtfTools::SetTextColor( const Color& rColor ) + { + maTextColor = rColor; + } + + void MtfTools::SetTextAlign( sal_uInt32 nAlign ) + { + mnTextAlign = nAlign; + } + + void MtfTools::ImplResizeObjectArry( sal_uInt32 nNewEntrys ) + { + mvGDIObj.resize(nNewEntrys); + } + + void MtfTools::ImplDrawClippedPolyPolygon( const tools::PolyPolygon& rPolyPoly ) + { + if ( !rPolyPoly.Count() ) + return; + + ImplSetNonPersistentLineColorTransparenz(); + if ( rPolyPoly.Count() == 1 ) + { + if ( rPolyPoly.IsRect() ) + mpGDIMetaFile->AddAction( new MetaRectAction( rPolyPoly.GetBoundRect() ) ); + else + { + tools::Polygon aPoly( rPolyPoly[ 0 ] ); + sal_uInt16 nCount = aPoly.GetSize(); + if ( nCount ) + { + if ( aPoly[ nCount - 1 ] != aPoly[ 0 ] ) + { + Point aPoint( aPoly[ 0 ] ); + aPoly.Insert( nCount, aPoint ); + } + mpGDIMetaFile->AddAction( new MetaPolygonAction( aPoly ) ); + } + } + } + else + mpGDIMetaFile->AddAction( new MetaPolyPolygonAction( rPolyPoly ) ); + } + + void MtfTools::CreateObject( std::unique_ptr<GDIObj> pObject ) + { + if ( pObject ) + { + const auto pLineStyle = dynamic_cast<WinMtfLineStyle*>(pObject.get()); + const auto pFontStyle = dynamic_cast<WinMtfFontStyle*>(pObject.get()); + + if ( pFontStyle ) + { + if (pFontStyle->aFont.GetFontHeight() == 0) + pFontStyle->aFont.SetFontHeight(423); + ImplMap(pFontStyle->aFont); // defaulting to 12pt + } + else if ( pLineStyle ) + { + Size aSize(pLineStyle->aLineInfo.GetWidth(), 0); + aSize = ImplMap(aSize); + pLineStyle->aLineInfo.SetWidth(aSize.Width()); + } + } + std::vector<std::unique_ptr<GDIObj>>::size_type nIndex; + for ( nIndex = 0; nIndex < mvGDIObj.size(); nIndex++ ) + { + if ( !mvGDIObj[ nIndex ] ) + break; + } + if ( nIndex == mvGDIObj.size() ) + ImplResizeObjectArry( mvGDIObj.size() + 16 ); + + mvGDIObj[ nIndex ] = std::move(pObject); + } + + void MtfTools::CreateObjectIndexed( sal_uInt32 nIndex, std::unique_ptr<GDIObj> pObject ) + { + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) != 0 ) + return; + + nIndex &= 0xffff; // safety check: do not allow index to be > 65535 + if ( pObject ) + { + const auto pLineStyle = dynamic_cast<WinMtfLineStyle*>(pObject.get()); + const auto pFontStyle = dynamic_cast<WinMtfFontStyle*>(pObject.get()); + if ( pFontStyle ) + { + if (pFontStyle->aFont.GetFontHeight() == 0) + pFontStyle->aFont.SetFontHeight(423); + ImplMap(pFontStyle->aFont); + } + else if ( pLineStyle ) + { + Size aSize(pLineStyle->aLineInfo.GetWidth(), 0); + pLineStyle->aLineInfo.SetWidth( ImplMap(aSize).Width() ); + + if ( pLineStyle->aLineInfo.GetStyle() == LineStyle::Dash ) + { + aSize.AdjustWidth(1 ); + tools::Long nDotLen = ImplMap( aSize ).Width(); + pLineStyle->aLineInfo.SetDistance( nDotLen ); + pLineStyle->aLineInfo.SetDotLen( nDotLen ); + pLineStyle->aLineInfo.SetDashLen( nDotLen * 3 ); + } + } + } + if ( nIndex >= mvGDIObj.size() ) + ImplResizeObjectArry( nIndex + 16 ); + + mvGDIObj[ nIndex ] = std::move(pObject); + } + + void MtfTools::CreateObject() + { + CreateObject(std::make_unique<GDIObj>()); + } + + void MtfTools::DeleteObject( sal_uInt32 nIndex ) + { + if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 ) + { + if ( nIndex < mvGDIObj.size() ) + { + mvGDIObj[ nIndex ].reset(); + } + } + } + + void MtfTools::IntersectClipRect( const tools::Rectangle& rRect ) + { + if (utl::ConfigManager::IsFuzzing()) + return; + mbClipNeedsUpdate=true; + if ((rRect.Left()-rRect.Right()==0) && (rRect.Top()-rRect.Bottom()==0)) + { + return; // empty rectangles cause trouble + } + tools::Polygon aPoly( rRect ); + const tools::PolyPolygon aPolyPolyRect( ImplMap( aPoly ) ); + maClipPath.intersectClip( aPolyPolyRect.getB2DPolyPolygon() ); + } + + void MtfTools::ExcludeClipRect( const tools::Rectangle& rRect ) + { + if (utl::ConfigManager::IsFuzzing()) + return; + mbClipNeedsUpdate=true; + tools::Polygon aPoly( rRect ); + const tools::PolyPolygon aPolyPolyRect( ImplMap( aPoly ) ); + maClipPath.excludeClip( aPolyPolyRect.getB2DPolyPolygon() ); + } + + void MtfTools::MoveClipRegion( const Size& rSize ) + { + if (utl::ConfigManager::IsFuzzing()) + return; + mbClipNeedsUpdate=true; + maClipPath.moveClipRegion( ImplMap( rSize ) ); + } + + void MtfTools::SetClipPath( const tools::PolyPolygon& rPolyPolygon, RegionMode eClippingMode, bool bIsMapped ) + { + if (utl::ConfigManager::IsFuzzing()) + return; + mbClipNeedsUpdate = true; + tools::PolyPolygon aPolyPolygon(rPolyPolygon); + + if (!bIsMapped) + { + if (!mbIsMapDevSet && (meMapMode == MappingMode::MM_ISOTROPIC || meMapMode == MappingMode::MM_ANISOTROPIC)) + aPolyPolygon = ImplScale(aPolyPolygon); + else + aPolyPolygon = ImplMap(aPolyPolygon); + } + maClipPath.setClipPath(aPolyPolygon.getB2DPolyPolygon(), eClippingMode); + } + + void MtfTools::SetDefaultClipPath() + { + mbClipNeedsUpdate = true; + maClipPath.setDefaultClipPath(); + } + + MtfTools::MtfTools( GDIMetaFile& rGDIMetaFile, SvStream& rStreamWMF) + : mnLatestTextAlign(90), + mnTextAlign(TextAlignmentMode::TA_LEFT | TextAlignmentMode::TA_TOP | TextAlignmentMode::TA_NOUPDATECP), + maLatestBkColor(ColorTransparency, 0x12345678), + maBkColor(COL_WHITE), + mnLatestTextLayoutMode(vcl::text::ComplexTextLayoutFlags::Default), + mnTextLayoutMode(vcl::text::ComplexTextLayoutFlags::Default), + mnLatestBkMode(BackgroundMode::NONE), + mnBkMode(BackgroundMode::OPAQUE), + meLatestRasterOp(RasterOp::Invert), + meRasterOp(RasterOp::OverPaint), + mnRop(), + meGfxMode(GraphicsMode::GM_COMPATIBLE), + meMapMode(MappingMode::MM_TEXT), + mnDevOrgX(0), + mnDevOrgY(0), + mnDevWidth(1), + mnDevHeight(1), + mnWinOrgX(0), + mnWinOrgY(0), + mnWinExtX(1), + mnWinExtY(1), + mnPixX(100), + mnPixY(100), + mnMillX(1), + mnMillY(1), + mpGDIMetaFile(&rGDIMetaFile), + mpInputStream(&rStreamWMF), + mnStartPos(0), + mnEndPos(0), + mbNopMode(false), + mbClockWiseArcDirection(false), + mbFillStyleSelected(false), + mbClipNeedsUpdate(true), + mbComplexClip(false), + mbIsMapWinSet(false), + mbIsMapDevSet(false) + { + SvLockBytes *pLB = mpInputStream->GetLockBytes(); + + if (pLB) + { + pLB->SetSynchronMode(); + } + + mnStartPos = mpInputStream->Tell(); + SetDevOrg(Point()); + + mpGDIMetaFile->AddAction( new MetaPushAction( vcl::PushFlags::CLIPREGION ) ); // The original clipregion has to be on top + // of the stack so it can always be restored + // this is necessary to be able to support + // SetClipRgn( NULL ) and similar ClipRgn actions (SJ) + + maFont.SetFamilyName( "Arial" ); // sj: #i57205#, we do have some scaling problems if using + maFont.SetCharSet( RTL_TEXTENCODING_MS_1252 ); // the default font then most times a x11 font is used, we + maFont.SetFontHeight( 423 ); // will prevent this defining a font + + maLatestLineStyle.aLineColor = Color( 0x12, 0x34, 0x56 ); + maLatestFillStyle.aFillColor = Color( 0x12, 0x34, 0x56 ); + + mnRop = WMFRasterOp::Black; + meRasterOp = RasterOp::OverPaint; + mpGDIMetaFile->AddAction( new MetaRasterOpAction( RasterOp::OverPaint ) ); + } + + MtfTools::~MtfTools() COVERITY_NOEXCEPT_FALSE + { + mpGDIMetaFile->AddAction( new MetaPopAction() ); + mpGDIMetaFile->SetPrefMapMode(MapMode(MapUnit::Map100thMM)); + if ( mrclFrame.IsEmpty() ) + mpGDIMetaFile->SetPrefSize( Size( mnDevWidth, mnDevHeight ) ); + else + mpGDIMetaFile->SetPrefSize( mrclFrame.GetSize() ); + } + + void MtfTools::UpdateClipRegion() + { + if (!mbClipNeedsUpdate) + return; + + mbClipNeedsUpdate = false; + mbComplexClip = false; + + mpGDIMetaFile->AddAction( new MetaPopAction() ); // taking the original clipregion + mpGDIMetaFile->AddAction( new MetaPushAction( vcl::PushFlags::CLIPREGION ) ); + + // skip for 'no clipping at all' case + if( maClipPath.isEmpty() ) + return; + + const basegfx::B2DPolyPolygon& rClipPoly( maClipPath.getClipPath() ); + + mbComplexClip = rClipPoly.count() > 1 + || !basegfx::utils::isRectangle(rClipPoly); + + // This makes cases like tdf#45820 work in reasonable time. + if (mbComplexClip) + { + mpGDIMetaFile->AddAction( + new MetaISectRegionClipRegionAction( + vcl::Region(rClipPoly))); + mbComplexClip = false; + } + else + { + mpGDIMetaFile->AddAction( + new MetaISectRectClipRegionAction( + vcl::unotools::rectangleFromB2DRectangle( + rClipPoly.getB2DRange()))); + } + } + + void MtfTools::ImplSetNonPersistentLineColorTransparenz() + { + WinMtfLineStyle aTransparentLine( COL_TRANSPARENT, true ); + if ( ! ( maLatestLineStyle == aTransparentLine ) ) + { + maLatestLineStyle = aTransparentLine; + mpGDIMetaFile->AddAction( new MetaLineColorAction( aTransparentLine.aLineColor, !aTransparentLine.bTransparent ) ); + } + } + + void MtfTools::UpdateLineStyle() + { + if (!( maLatestLineStyle == maLineStyle ) ) + { + maLatestLineStyle = maLineStyle; + mpGDIMetaFile->AddAction( new MetaLineColorAction( maLineStyle.aLineColor, !maLineStyle.bTransparent ) ); + } + } + + void MtfTools::UpdateFillStyle() + { + if ( !mbFillStyleSelected ) // SJ: #i57205# taking care of bkcolor if no brush is selected + maFillStyle = WinMtfFillStyle( maBkColor, mnBkMode == BackgroundMode::Transparent ); + if (!( maLatestFillStyle == maFillStyle ) ) + { + maLatestFillStyle = maFillStyle; + if (maFillStyle.aType == WinMtfFillStyleType::Solid) + mpGDIMetaFile->AddAction( new MetaFillColorAction( maFillStyle.aFillColor, !maFillStyle.bTransparent ) ); + } + } + + WMFRasterOp MtfTools::SetRasterOp( WMFRasterOp nRasterOp ) + { + WMFRasterOp nRetROP = mnRop; + if ( nRasterOp != mnRop ) + { + mnRop = nRasterOp; + + if ( mbNopMode && ( nRasterOp != WMFRasterOp::Nop ) ) + { // changing modes from WMFRasterOp::Nop so set pen and brush + maFillStyle = maNopFillStyle; + maLineStyle = maNopLineStyle; + mbNopMode = false; + } + switch( nRasterOp ) + { + case WMFRasterOp::Not: + meRasterOp = RasterOp::Invert; + break; + + case WMFRasterOp::XorPen: + meRasterOp = RasterOp::Xor; + break; + + case WMFRasterOp::Nop: + { + meRasterOp = RasterOp::OverPaint; + if( !mbNopMode ) + { + maNopFillStyle = maFillStyle; + maNopLineStyle = maLineStyle; + maFillStyle = WinMtfFillStyle( COL_TRANSPARENT, true ); + maLineStyle = WinMtfLineStyle( COL_TRANSPARENT, true ); + mbNopMode = true; + } + } + break; + + default: + meRasterOp = RasterOp::OverPaint; + break; + } + } + if ( nRetROP != nRasterOp ) + mpGDIMetaFile->AddAction( new MetaRasterOpAction( meRasterOp ) ); + return nRetROP; + }; + + void MtfTools::StrokeAndFillPath( bool bStroke, bool bFill ) + { + if ( !maPathObj.Count() ) + return; + + UpdateClipRegion(); + UpdateLineStyle(); + UpdateFillStyle(); + if ( bFill ) + { + if ( !bStroke ) + { + mpGDIMetaFile->AddAction( new MetaPushAction( vcl::PushFlags::LINECOLOR ) ); + mpGDIMetaFile->AddAction( new MetaLineColorAction( Color(), false ) ); + } + if ( maPathObj.Count() == 1 ) + mpGDIMetaFile->AddAction( new MetaPolygonAction( maPathObj.GetObject( 0 ) ) ); + else + mpGDIMetaFile->AddAction( new MetaPolyPolygonAction( maPathObj ) ); + + if ( !bStroke ) + mpGDIMetaFile->AddAction( new MetaPopAction() ); + } + // tdf#142014 By default the stroke is made with hairline. If width is bigger, we need to use PolyLineAction + if ( bStroke ) + { + // bFill is drawing hairstyle line. So we need to draw it only when the width is different than 0 + if ( !bFill || maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + sal_uInt16 i, nCount = maPathObj.Count(); + for ( i = 0; i < nCount; i++ ) + mpGDIMetaFile->AddAction( new MetaPolyLineAction( maPathObj[ i ], maLineStyle.aLineInfo ) ); + } + } + ClearPath(); + } + + void MtfTools::DrawPixel( const Point& rSource, const Color& rColor ) + { + mpGDIMetaFile->AddAction( new MetaPixelAction( ImplMap( rSource), rColor ) ); + } + + void MtfTools::MoveTo( const Point& rPoint, bool bRecordPath ) + { + Point aDest( ImplMap( rPoint ) ); + if ( bRecordPath ) + { + // fdo#57353 create new subpath for subsequent moves + if ( maPathObj.Count() ) + if ( maPathObj[ maPathObj.Count() - 1 ].GetSize() ) + maPathObj.Insert( tools::Polygon() ); + maPathObj.AddPoint( aDest ); + } + maActPos = aDest; + } + + void MtfTools::LineTo( const Point& rPoint, bool bRecordPath ) + { + UpdateClipRegion(); + Point aDest( ImplMap( rPoint ) ); + if ( bRecordPath ) + maPathObj.AddPoint( aDest ); + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaLineAction( maActPos, aDest, maLineStyle.aLineInfo ) ); + } + maActPos = aDest; + } + + void MtfTools::DrawRectWithBGColor(const tools::Rectangle& rRect) + { + WinMtfFillStyle aFillStyleBackup = maFillStyle; + bool aTransparentBackup = maLineStyle.bTransparent; + BackgroundMode mnBkModeBackup = mnBkMode; + + const tools::Polygon aPoly( rRect ); + maLineStyle.bTransparent = true; + maFillStyle = maBkColor; + mnBkMode = BackgroundMode::OPAQUE; + ImplSetNonPersistentLineColorTransparenz(); + DrawPolygon(std::move(aPoly), false); + mnBkMode = mnBkModeBackup; // The rectangle needs to be always drawned even if mode is transparent + maFillStyle = aFillStyleBackup; + maLineStyle.bTransparent = aTransparentBackup; + } + + void MtfTools::DrawRect( const tools::Rectangle& rRect, bool bEdge ) + { + UpdateClipRegion(); + UpdateFillStyle(); + + if ( mbComplexClip ) + { + tools::Polygon aPoly( ImplMap( rRect ) ); + tools::PolyPolygon aPolyPolyRect( aPoly ); + tools::PolyPolygon aDest; + tools::PolyPolygon(maClipPath.getClipPath()).GetIntersection( aPolyPolyRect, aDest ); + ImplDrawClippedPolyPolygon( aDest ); + } + else + { + if ( bEdge ) + { + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaRectAction( ImplMap( rRect ) ) ); + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( ImplMap( rRect ) ),maLineStyle.aLineInfo ) ); + } + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaRectAction( ImplMap( rRect ) ) ); + } + } + else + { + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaRectAction( ImplMap( rRect ) ) ); + } + } + } + + void MtfTools::DrawRoundRect( const tools::Rectangle& rRect, const Size& rSize ) + { + UpdateClipRegion(); + UpdateLineStyle(); + UpdateFillStyle(); + mpGDIMetaFile->AddAction( new MetaRoundRectAction( ImplMap( rRect ), std::abs( ImplMap( rSize ).Width() ), std::abs( ImplMap( rSize ).Height() ) ) ); + // tdf#142139 Wrong line width during WMF import + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + tools::Polygon aRoundRectPoly( rRect, rSize.Width(), rSize.Height() ); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( ImplMap( aRoundRectPoly ), maLineStyle.aLineInfo ) ); + } + } + + void MtfTools::DrawEllipse( const tools::Rectangle& rRect ) + { + UpdateClipRegion(); + UpdateFillStyle(); + + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + Point aCenter( ImplMap( rRect.Center() ) ); + Size aRad( ImplMap( Size( rRect.GetWidth() / 2, rRect.GetHeight() / 2 ) ) ); + + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaEllipseAction( ImplMap( rRect ) ) ); + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( aCenter, aRad.Width(), aRad.Height() ), maLineStyle.aLineInfo ) ); + } + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaEllipseAction( ImplMap( rRect ) ) ); + } + } + + void MtfTools::DrawArc( const tools::Rectangle& rRect, const Point& rStart, const Point& rEnd, bool bTo ) + { + UpdateClipRegion(); + UpdateLineStyle(); + UpdateFillStyle(); + + tools::Rectangle aRect( ImplMap( rRect ) ); + Point aStart( ImplMap( rStart ) ); + Point aEnd( ImplMap( rEnd ) ); + + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + if ( aStart == aEnd ) + { // SJ: #i53768# if start & end is identical, then we have to draw a full ellipse + Point aCenter( aRect.Center() ); + Size aRad( aRect.GetWidth() / 2, aRect.GetHeight() / 2 ); + + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( aCenter, aRad.Width(), aRad.Height() ), maLineStyle.aLineInfo ) ); + } + else + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( aRect, aStart, aEnd, PolyStyle::Arc ), maLineStyle.aLineInfo ) ); + } + else + mpGDIMetaFile->AddAction( new MetaArcAction( aRect, aStart, aEnd ) ); + + if ( bTo ) + maActPos = aEnd; + } + + void MtfTools::DrawPie( const tools::Rectangle& rRect, const Point& rStart, const Point& rEnd ) + { + UpdateClipRegion(); + UpdateFillStyle(); + + tools::Rectangle aRect( ImplMap( rRect ) ); + Point aStart( ImplMap( rStart ) ); + Point aEnd( ImplMap( rEnd ) ); + + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaPieAction( aRect, aStart, aEnd ) ); + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( aRect, aStart, aEnd, PolyStyle::Pie ), maLineStyle.aLineInfo ) ); + } + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPieAction( aRect, aStart, aEnd ) ); + } + } + + void MtfTools::DrawChord( const tools::Rectangle& rRect, const Point& rStart, const Point& rEnd ) + { + UpdateClipRegion(); + UpdateFillStyle(); + + tools::Rectangle aRect( ImplMap( rRect ) ); + Point aStart( ImplMap( rStart ) ); + Point aEnd( ImplMap( rEnd ) ); + + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaChordAction( aRect, aStart, aEnd ) ); + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( tools::Polygon( aRect, aStart, aEnd, PolyStyle::Chord ), maLineStyle.aLineInfo ) ); + } + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaChordAction( aRect, aStart, aEnd ) ); + } + } + + void MtfTools::DrawPolygon( tools::Polygon rPolygon, bool bRecordPath ) + { + UpdateClipRegion(); + ImplMap( rPolygon ); + if ( bRecordPath ) + maPathObj.AddPolygon( rPolygon ); + else + { + UpdateFillStyle(); + + if ( mbComplexClip ) + { + tools::PolyPolygon aPolyPoly( rPolygon ); + auto tmp = maClipPath.getClip(); + tmp.intersectPolyPolygon(aPolyPoly.getB2DPolyPolygon()); + tools::PolyPolygon aDest(tmp.getClipPoly()); + ImplDrawClippedPolyPolygon( aDest ); + } + else + { + if ( maLineStyle.aLineInfo.GetWidth() || ( maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash ) ) + { + sal_uInt16 nCount = rPolygon.GetSize(); + if ( nCount ) + { + if ( rPolygon[ nCount - 1 ] != rPolygon[ 0 ] ) + { + Point aPoint( rPolygon[ 0 ] ); + rPolygon.Insert( nCount, aPoint ); + } + } + ImplSetNonPersistentLineColorTransparenz(); + mpGDIMetaFile->AddAction( new MetaPolygonAction( rPolygon ) ); + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( rPolygon, maLineStyle.aLineInfo ) ); + } + else + { + UpdateLineStyle(); + + if (maLatestFillStyle.aType != WinMtfFillStyleType::Pattern) + mpGDIMetaFile->AddAction( new MetaPolygonAction( rPolygon ) ); + else { + SvtGraphicFill aFill( tools::PolyPolygon( rPolygon ), + Color(), + 0.0, + SvtGraphicFill::fillNonZero, + SvtGraphicFill::fillTexture, + SvtGraphicFill::Transform(), + true, + SvtGraphicFill::hatchSingle, + Color(), + SvtGraphicFill::GradientType::Linear, + Color(), + Color(), + 0, + Graphic (BitmapEx(maLatestFillStyle.aBmp))); + + SvMemoryStream aMemStm; + + WriteSvtGraphicFill( aMemStm, aFill ); + + mpGDIMetaFile->AddAction( new MetaCommentAction( "XPATHFILL_SEQ_BEGIN", 0, + static_cast<const sal_uInt8*>(aMemStm.GetData()), + aMemStm.TellEnd() ) ); + mpGDIMetaFile->AddAction( new MetaCommentAction( "XPATHFILL_SEQ_END" ) ); + } + + } + } + } + } + + void MtfTools::DrawPolyPolygon( tools::PolyPolygon& rPolyPolygon, bool bRecordPath ) + { + UpdateClipRegion(); + + ImplMap( rPolyPolygon ); + + if ( bRecordPath ) + maPathObj.AddPolyPolygon( rPolyPolygon ); + else + { + UpdateFillStyle(); + + if ( mbComplexClip ) + { + tools::PolyPolygon aDest; + tools::PolyPolygon(maClipPath.getClipPath()).GetIntersection( rPolyPolygon, aDest ); + ImplDrawClippedPolyPolygon( aDest ); + } + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyPolygonAction( rPolyPolygon ) ); + if (maLineStyle.aLineInfo.GetWidth() > 0 || maLineStyle.aLineInfo.GetStyle() == LineStyle::Dash) + { + for (sal_uInt16 nPoly = 0; nPoly < rPolyPolygon.Count(); ++nPoly) + { + mpGDIMetaFile->AddAction(new MetaPolyLineAction(rPolyPolygon[nPoly], maLineStyle.aLineInfo)); + } + } + } + } + } + + void MtfTools::DrawPolyLine( tools::Polygon rPolygon, bool bTo, bool bRecordPath ) + { + UpdateClipRegion(); + + sal_uInt16 nPoints = rPolygon.GetSize(); + if (nPoints < 1) + return; + + ImplMap( rPolygon ); + if ( bTo ) + { + rPolygon[ 0 ] = maActPos; + maActPos = rPolygon[ rPolygon.GetSize() - 1 ]; + } + if ( bRecordPath ) + maPathObj.AddPolyLine( rPolygon ); + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( rPolygon, maLineStyle.aLineInfo ) ); + } + } + + void MtfTools::DrawPolyBezier( tools::Polygon rPolygon, bool bTo, bool bRecordPath ) + { + sal_uInt16 nPoints = rPolygon.GetSize(); + if ( ( nPoints < 4 ) || ( ( ( nPoints - 4 ) % 3 ) != 0 ) ) + return; + + UpdateClipRegion(); + + ImplMap( rPolygon ); + if ( bTo ) + { + rPolygon[ 0 ] = maActPos; + maActPos = rPolygon[ nPoints - 1 ]; + } + sal_uInt16 i; + for ( i = 0; ( i + 2 ) < nPoints; ) + { + rPolygon.SetFlags( i++, PolyFlags::Normal ); + rPolygon.SetFlags( i++, PolyFlags::Control ); + rPolygon.SetFlags( i++, PolyFlags::Control ); + } + if ( bRecordPath ) + maPathObj.AddPolyLine( rPolygon ); + else + { + UpdateLineStyle(); + mpGDIMetaFile->AddAction( new MetaPolyLineAction( rPolygon, maLineStyle.aLineInfo ) ); + } + } + + void MtfTools::DrawText( Point& rPosition, OUString const & rText, std::vector<sal_Int32>* pDXArry, tools::Long* pDYArry, bool bRecordPath, GraphicsMode nGfxMode ) + { + UpdateClipRegion(); + rPosition = ImplMap( rPosition ); + GraphicsMode nOldGfxMode = GetGfxMode(); + SetGfxMode( GraphicsMode::GM_COMPATIBLE ); + + if (pDXArry) + { + sal_Int64 nSumX = 0, nSumY = 0; + for (sal_Int32 i = 0; i < rText.getLength(); i++ ) + { + nSumX += (*pDXArry)[i]; + + // #i121382# Map DXArray using WorldTransform + const Size aSizeX(ImplMap(Size(nSumX, 0))); + const basegfx::B2DVector aVectorX(aSizeX.Width(), aSizeX.Height()); + (*pDXArry)[i] = basegfx::fround(aVectorX.getLength()); + (*pDXArry)[i] *= (nSumX >= 0 ? 1 : -1); + + if (pDYArry) + { + nSumY += pDYArry[i]; + + const Size aSizeY(ImplMap(Size(0, nSumY))); + const basegfx::B2DVector aVectorY(aSizeY.Width(), aSizeY.Height()); + // Reverse Y + pDYArry[i] = basegfx::fround(aVectorY.getLength()); + pDYArry[i] *= (nSumY >= 0 ? -1 : 1); + } + } + } + if ( mnLatestTextLayoutMode != mnTextLayoutMode ) + { + mnLatestTextLayoutMode = mnTextLayoutMode; + mpGDIMetaFile->AddAction( new MetaLayoutModeAction( mnTextLayoutMode ) ); + } + SetGfxMode( nGfxMode ); + TextAlign eTextAlign; + if ( ( mnTextAlign & TA_BASELINE) == TA_BASELINE ) + eTextAlign = ALIGN_BASELINE; + else if( ( mnTextAlign & TA_BOTTOM) == TA_BOTTOM ) + eTextAlign = ALIGN_BOTTOM; + else + eTextAlign = ALIGN_TOP; + bool bChangeFont = false; + if ( mnLatestTextAlign != mnTextAlign ) + { + bChangeFont = true; + mnLatestTextAlign = mnTextAlign; + mpGDIMetaFile->AddAction( new MetaTextAlignAction( eTextAlign ) ); + } + if ( maLatestTextColor != maTextColor ) + { + bChangeFont = true; + maLatestTextColor = maTextColor; + mpGDIMetaFile->AddAction( new MetaTextColorAction( maTextColor ) ); + } + bool bChangeFillColor = false; + if ( maLatestBkColor != maBkColor ) + { + bChangeFillColor = true; + maLatestBkColor = maBkColor; + } + if ( mnLatestBkMode != mnBkMode ) + { + bChangeFillColor = true; + mnLatestBkMode = mnBkMode; + } + if ( bChangeFillColor ) + { + bChangeFont = true; + mpGDIMetaFile->AddAction( new MetaTextFillColorAction( maFont.GetFillColor(), !maFont.IsTransparent() ) ); + } + vcl::Font aTmp( maFont ); + aTmp.SetColor( maTextColor ); + aTmp.SetFillColor( maBkColor ); + + if( mnBkMode == BackgroundMode::Transparent ) + aTmp.SetTransparent( true ); + else + aTmp.SetTransparent( false ); + + aTmp.SetAlignment( eTextAlign ); + + if ( nGfxMode == GraphicsMode::GM_ADVANCED ) + { + // check whether there is a font rotation applied via transformation + Point aP1( ImplMap( Point() ) ); + Point aP2( ImplMap( Point( 0, 100 ) ) ); + aP2.AdjustX( -(aP1.X()) ); + aP2.AdjustY( -(aP1.Y()) ); + double fX = aP2.X(); + double fY = aP2.Y(); + if ( fX ) + { + double fOrientation = basegfx::rad2deg(acos(fX / std::hypot(fX, fY))); + if ( fY > 0 ) + fOrientation = 360 - fOrientation; + fOrientation += 90; + fOrientation *= 10; + aTmp.SetOrientation( aTmp.GetOrientation() + Degree10( static_cast<sal_Int16>(fOrientation) ) ); + } + } + + if( mnTextAlign & ( TA_UPDATECP | TA_RIGHT_CENTER ) ) + { + // #i117968# VirtualDevice is not thread safe, but filter is used in multithreading + SolarMutexGuard aGuard; + ScopedVclPtrInstance< VirtualDevice > pVDev; + sal_Int32 nTextWidth; + Point aActPosDelta; + pVDev->SetMapMode( MapMode( MapUnit::Map100thMM ) ); + pVDev->SetFont( maFont ); + const sal_uInt32 nLen = pDXArry ? rText.getLength() : 0; + if (nLen) + { + nTextWidth = pVDev->GetTextWidth( OUString(rText[ nLen - 1 ]) ); + if( nLen > 1 ) + nTextWidth += (*pDXArry)[ nLen - 2 ]; + // tdf#39894: We should consider the distance to next character cell origin + aActPosDelta.setX( (*pDXArry)[ nLen - 1 ] ); + if ( pDYArry ) + { + aActPosDelta.setY( pDYArry[ nLen - 1 ] ); + } + } + else + { + nTextWidth = pVDev->GetTextWidth( rText ); + aActPosDelta.setX( nTextWidth ); + } + + if( mnTextAlign & TA_UPDATECP ) + rPosition = maActPos; + + if ( mnTextAlign & TA_RIGHT_CENTER ) + { + Point aDisplacement( ( ( mnTextAlign & TA_RIGHT_CENTER ) == TA_RIGHT ) ? nTextWidth : nTextWidth >> 1, 0 ); + Point().RotateAround(aDisplacement, maFont.GetOrientation()); + rPosition -= aDisplacement; + } + + if( mnTextAlign & TA_UPDATECP ) + { + Point().RotateAround(aActPosDelta, maFont.GetOrientation()); + maActPos = rPosition + aActPosDelta; + } + } + + if(bChangeFont || (maLatestFont != aTmp)) + { + maLatestFont = aTmp; + rtl::Reference<MetaFontAction> aNewMetaFontAction(new MetaFontAction(aTmp)); + + // tdf#127471 end evtl active MetaFontAction scale corrector detector/collector + maScaledFontHelper.endCurrentMetaFontAction(); + + // !bRecordPath: else no MetaTextArrayAction will be created + // nullptr != pDXArry: detection only possible when text size is given + // rText.getLength(): no useful check without text + if(!bRecordPath && nullptr != pDXArry && 0 != rText.getLength()) + { + maScaledFontHelper.newCurrentMetaFontAction(aNewMetaFontAction); + } + + mpGDIMetaFile->AddAction( aNewMetaFontAction ); + mpGDIMetaFile->AddAction( new MetaTextAlignAction( aTmp.GetAlignment() ) ); + mpGDIMetaFile->AddAction( new MetaTextColorAction( aTmp.GetColor() ) ); + mpGDIMetaFile->AddAction( new MetaTextFillColorAction( aTmp.GetFillColor(), !aTmp.IsTransparent() ) ); + } + + if ( bRecordPath ) + { + // TODO + } + else + { + if ( pDXArry && pDYArry ) + { + for (sal_Int32 i = 0; i < rText.getLength(); ++i) + { + Point aCharDisplacement( i ? (*pDXArry)[i-1] : 0, i ? pDYArry[i-1] : 0 ); + Point().RotateAround(aCharDisplacement, maFont.GetOrientation()); + mpGDIMetaFile->AddAction( new MetaTextArrayAction( rPosition + aCharDisplacement, OUString( rText[i] ), o3tl::span<const sal_Int32>{}, 0, 1 ) ); + } + } + else + { + /* because text without dx array is badly scaled, we + will create such an array if necessary */ + o3tl::span<const sal_Int32> pDX; + std::vector<sal_Int32> aMyDXArray; + if (pDXArry) + { + pDX = { pDXArry->data(), pDXArry->size() }; + // only useful when we have an imported DXArray + if(!rText.isEmpty()) + { + maScaledFontHelper.evaluateAlternativeFontScale( + rText, + (*pDXArry)[rText.getLength() - 1] // extract imported TextLength + ); + } + } + else + { + // #i117968# VirtualDevice is not thread safe, but filter is used in multithreading + SolarMutexGuard aGuard; + ScopedVclPtrInstance< VirtualDevice > pVDev; + pVDev->SetMapMode(MapMode(MapUnit::Map100thMM)); + pVDev->SetFont( maLatestFont ); + pVDev->GetTextArray( rText, &aMyDXArray, 0, rText.getLength()); + pDX = aMyDXArray; + } + mpGDIMetaFile->AddAction( new MetaTextArrayAction( rPosition, rText, pDX, 0, rText.getLength() ) ); + } + } + SetGfxMode( nOldGfxMode ); + } + + void MtfTools::ImplDrawBitmap( const Point& rPos, const Size& rSize, const BitmapEx& rBitmap ) + { + BitmapEx aBmpEx( rBitmap ); + if ( mbComplexClip ) + { + vcl::bitmap::DrawAndClipBitmap(rPos, rSize, rBitmap, aBmpEx, maClipPath.getClipPath()); + } + + if ( aBmpEx.IsAlpha() ) + mpGDIMetaFile->AddAction( new MetaBmpExScaleAction( rPos, rSize, aBmpEx ) ); + else + mpGDIMetaFile->AddAction( new MetaBmpScaleAction( rPos, rSize, aBmpEx.GetBitmap() ) ); + } + + void MtfTools::ResolveBitmapActions( std::vector<BSaveStruct>& rSaveList ) + { + UpdateClipRegion(); + + size_t nObjects = rSaveList.size(); + size_t nObjectsLeft = nObjects; + + while ( nObjectsLeft ) + { + size_t i; + size_t nObjectsOfSameSize = 0; + size_t nObjectStartIndex = nObjects - nObjectsLeft; + + BSaveStruct* pSave = &rSaveList[nObjectStartIndex]; + tools::Rectangle aRect( pSave->aOutRect ); + + for ( i = nObjectStartIndex; i < nObjects; ) + { + nObjectsOfSameSize++; + if ( ++i < nObjects ) + { + pSave = &rSaveList[i]; + if ( pSave->aOutRect != aRect ) + break; + } + } + Point aPos( ImplMap( aRect.TopLeft() ) ); + Size aSize( ImplMap( aRect.GetSize() ) ); + + for ( i = nObjectStartIndex; i < ( nObjectStartIndex + nObjectsOfSameSize ); i++ ) + { + pSave = &rSaveList[i]; + + sal_uInt32 nWinRop = pSave->nWinRop; + sal_uInt8 nRasterOperation = static_cast<sal_uInt8>( nWinRop >> 16 ); + + sal_uInt32 nUsed = 0; + if ( ( nRasterOperation & 0xf ) != ( nRasterOperation >> 4 ) ) + nUsed |= 1; // pattern is used + if ( ( nRasterOperation & 0x33 ) != ( ( nRasterOperation & 0xcc ) >> 2 ) ) + nUsed |= 2; // source is used + if ( ( nRasterOperation & 0xaa ) != ( ( nRasterOperation & 0x55 ) << 1 ) ) + nUsed |= 4; // destination is used + + if ( (nUsed & 1) && (( nUsed & 2 ) == 0) && nWinRop != PATINVERT ) + { // patterns aren't well supported yet + WMFRasterOp nOldRop = SetRasterOp( WMFRasterOp::NONE ); // in this case nRasterOperation is either 0 or 0xff + UpdateFillStyle(); + DrawRect( aRect, false ); + SetRasterOp( nOldRop ); + } + else + { + bool bDrawn = false; + + if ( i == nObjectStartIndex ) // optimizing, sometimes it is possible to create just one transparent bitmap + { + if ( nObjectsOfSameSize == 2 ) + { + BSaveStruct* pSave2 = &rSaveList[i + 1]; + if ( ( pSave->aBmpEx.GetPrefSize() == pSave2->aBmpEx.GetPrefSize() ) && + ( pSave->aBmpEx.GetPrefMapMode() == pSave2->aBmpEx.GetPrefMapMode() ) ) + { + // TODO: Strictly speaking, we should + // check whether mask is monochrome, and + // whether image is black (upper branch) + // or white (lower branch). Otherwise, the + // effect is not the same as a masked + // bitmap. + if ( ( nWinRop == SRCPAINT ) && ( pSave2->nWinRop == SRCAND ) ) + { + Bitmap aMask( pSave->aBmpEx.GetBitmap() ); aMask.Invert(); + BitmapEx aBmpEx( pSave2->aBmpEx.GetBitmap(), aMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + bDrawn = true; + i++; + } + // #i20085# This is just the other way + // around as above. Only difference: mask + // is inverted + else if ( ( nWinRop == SRCAND ) && ( pSave2->nWinRop == SRCPAINT ) ) + { + const Bitmap & rMask( pSave->aBmpEx.GetBitmap() ); + BitmapEx aBmpEx( pSave2->aBmpEx.GetBitmap(), rMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + bDrawn = true; + i++; + } + // tdf#90539 + else if ( ( nWinRop == SRCAND ) && ( pSave2->nWinRop == SRCINVERT ) ) + { + const Bitmap & rMask( pSave->aBmpEx.GetBitmap() ); + BitmapEx aBmpEx( pSave2->aBmpEx.GetBitmap(), rMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + bDrawn = true; + i++; + } + } + } + } + + if ( !bDrawn ) + { + Push(); + WMFRasterOp nOldRop = SetRasterOp( WMFRasterOp::CopyPen ); + Bitmap aBitmap( pSave->aBmpEx.GetBitmap() ); + sal_uInt32 nOperation = ( nRasterOperation & 0xf ); + switch( nOperation ) + { + case 0x1 : + case 0xe : + { + if(pSave->aBmpEx.IsAlpha()) + { + ImplDrawBitmap( aPos, aSize, pSave->aBmpEx ); + } + else + { + SetRasterOp( WMFRasterOp::XorPen ); + ImplDrawBitmap( aPos, aSize, BitmapEx(aBitmap) ); + SetRasterOp( WMFRasterOp::CopyPen ); + Bitmap aMask( aBitmap ); + aMask.Invert(); + BitmapEx aBmpEx( aBitmap, aMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + if ( nOperation == 0x1 ) + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + } + } + break; + case 0x7 : + case 0x8 : + { + Bitmap aMask( aBitmap ); + if ( ( nUsed & 1 ) && ( nRasterOperation & 0xb0 ) == 0xb0 ) // pattern used + { + aBitmap.Convert( BmpConversion::N24Bit ); + aBitmap.Erase( maFillStyle.aFillColor ); + } + BitmapEx aBmpEx( aBitmap, aMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + if ( nOperation == 0x7 ) + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + } + break; + + case 0x4 : + case 0xb : + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + SetRasterOp( WMFRasterOp::CopyPen ); + Bitmap aMask( aBitmap ); + aBitmap.Invert(); + BitmapEx aBmpEx( aBitmap, aMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + SetRasterOp( WMFRasterOp::XorPen ); + ImplDrawBitmap( aPos, aSize, BitmapEx(aBitmap) ); + if ( nOperation == 0xb ) + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + } + break; + + case 0x2 : + case 0xd : + { + Bitmap aMask( aBitmap ); + aMask.Invert(); + BitmapEx aBmpEx( aBitmap, aMask ); + ImplDrawBitmap( aPos, aSize, aBmpEx ); + SetRasterOp( WMFRasterOp::XorPen ); + ImplDrawBitmap( aPos, aSize, BitmapEx(aBitmap) ); + if ( nOperation == 0xd ) + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + } + break; + case 0x6 : + case 0x9 : + { + SetRasterOp( WMFRasterOp::XorPen ); + ImplDrawBitmap( aPos, aSize, BitmapEx(aBitmap) ); + if ( nOperation == 0x9 ) + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + } + break; + + case 0x0 : // WHITENESS + case 0xf : // BLACKNESS + { // in this case nRasterOperation is either 0 or 0xff + maFillStyle = WinMtfFillStyle( Color( nRasterOperation, nRasterOperation, nRasterOperation ) ); + UpdateFillStyle(); + DrawRect( aRect, false ); + } + break; + + case 0x3 : // only source is used + case 0xc : + { + if ( nRasterOperation == 0x33 ) + aBitmap.Invert(); + if (pSave->m_bForceAlpha) + { + ImplDrawBitmap(aPos, aSize, pSave->aBmpEx); + } + else + { + ImplDrawBitmap(aPos, aSize, BitmapEx(aBitmap)); + } + } + break; + + case 0x5 : // only destination is used + { + SetRasterOp( WMFRasterOp::Not ); + DrawRect( aRect, false ); + } + break; + + case 0xa : // no operation + break; + } + SetRasterOp( nOldRop ); + Pop(); + } + } + } + nObjectsLeft -= nObjectsOfSameSize; + } + + rSaveList.clear(); + } + + void MtfTools::SetDevOrg( const Point& rPoint ) + { + mnDevOrgX = rPoint.X(); + mnDevOrgY = rPoint.Y(); + } + + void MtfTools::SetDevOrgOffset( sal_Int32 nXAdd, sal_Int32 nYAdd ) + { + mnDevOrgX += nXAdd; + mnDevOrgY += nYAdd; + } + + void MtfTools::SetDevExt( const Size& rSize ,bool regular) + { + if ( !(rSize.Width() && rSize.Height()) ) + return; + + switch( meMapMode ) + { + case MappingMode::MM_ISOTROPIC : + case MappingMode::MM_ANISOTROPIC : + { + mnDevWidth = rSize.Width(); + mnDevHeight = rSize.Height(); + break; + } + + //do nothing + default: + break; + } + if (regular) + { + mbIsMapDevSet=true; + } + } + + void MtfTools::ScaleDevExt(double fX, double fY) + { + mnDevWidth = basegfx::fround(mnDevWidth * fX); + mnDevHeight = basegfx::fround(mnDevHeight * fY); + } + + void MtfTools::SetWinOrg( const Point& rPoint , bool bIsEMF) + { + mnWinOrgX = rPoint.X(); + mnWinOrgY = rPoint.Y(); + if (bIsEMF) + { + SetDevByWin(); + } + mbIsMapWinSet=true; + } + + void MtfTools::SetWinOrgOffset( sal_Int32 nXAdd, sal_Int32 nYAdd ) + { + mnWinOrgX += nXAdd; + mnWinOrgY += nYAdd; + } + + void MtfTools::SetDevByWin() //mnWinExt...-stuff has to be assigned before. + { + if (!mbIsMapDevSet) + { + if ( meMapMode == MappingMode::MM_ISOTROPIC ) //TODO: WHAT ABOUT ANISOTROPIC??? + { + sal_Int32 nX, nY; + if (o3tl::checked_add(mnWinExtX, mnWinOrgX, nX) || o3tl::checked_sub(mnWinExtY, mnWinOrgY, nY)) + return; + Size aSize(nX >> MS_FIXPOINT_BITCOUNT_28_4, -(nY >> MS_FIXPOINT_BITCOUNT_28_4)); + SetDevExt(aSize, false); + } + } + } + + void MtfTools::SetWinExt(const Size& rSize, bool bIsEMF) + { + if (!(rSize.Width() && rSize.Height())) + return; + + switch( meMapMode ) + { + case MappingMode::MM_ISOTROPIC : + case MappingMode::MM_ANISOTROPIC : + { + mnWinExtX = rSize.Width(); + mnWinExtY = rSize.Height(); + if (bIsEMF) + { + SetDevByWin(); + } + mbIsMapWinSet = true; + break; + } + + default: + //do nothing + break; + } + } + + void MtfTools::ScaleWinExt(double fX, double fY) + { + mnWinExtX = basegfx::fround(mnWinExtX * fX); + mnWinExtY = basegfx::fround(mnWinExtY * fY); + } + + void MtfTools::SetrclBounds( const tools::Rectangle& rRect ) + { + mrclBounds = rRect; + } + + void MtfTools::SetrclFrame( const tools::Rectangle& rRect ) + { + mrclFrame = rRect; + } + + void MtfTools::SetRefPix( const Size& rSize ) + { + mnPixX = rSize.Width(); + mnPixY = rSize.Height(); + } + + void MtfTools::SetRefMill( const Size& rSize ) + { + mnMillX = rSize.Width(); + mnMillY = rSize.Height(); + } + + void MtfTools::SetMapMode( MappingMode nMapMode ) + { + meMapMode = nMapMode; + if ( nMapMode == MappingMode::MM_TEXT && !mbIsMapWinSet ) + { + mnWinExtX = mnDevWidth; + mnWinExtY = mnDevHeight; + } + else if ( meMapMode == MappingMode::MM_HIMETRIC ) + { + sal_Int32 nWinExtX, nWinExtY; + if (o3tl::checked_multiply<sal_Int32>(mnMillX, 100, nWinExtX) || + o3tl::checked_multiply<sal_Int32>(mnMillY, 100, nWinExtY)) + { + return; + } + mnWinExtX = nWinExtX; + mnWinExtY = nWinExtY; + } + } + + void MtfTools::SetWorldTransform( const XForm& rXForm ) + { + maXForm.eM11 = rXForm.eM11; + maXForm.eM12 = rXForm.eM12; + maXForm.eM21 = rXForm.eM21; + maXForm.eM22 = rXForm.eM22; + maXForm.eDx = rXForm.eDx; + maXForm.eDy = rXForm.eDy; + } + + void MtfTools::ModifyWorldTransform( const XForm& rXForm, ModifyWorldTransformMode nMode ) + { + switch( nMode ) + { + case ModifyWorldTransformMode::MWT_IDENTITY : + { + maXForm.eM11 = maXForm.eM22 = 1.0f; + maXForm.eM12 = maXForm.eM21 = maXForm.eDx = maXForm.eDy = 0.0f; + break; + } + + case ModifyWorldTransformMode::MWT_RIGHTMULTIPLY : + case ModifyWorldTransformMode::MWT_LEFTMULTIPLY : + { + const XForm* pLeft; + const XForm* pRight; + + if ( nMode == ModifyWorldTransformMode::MWT_LEFTMULTIPLY ) + { + pLeft = &rXForm; + pRight = &maXForm; + } + else + { + pLeft = &maXForm; + pRight = &rXForm; + } + + float aF[3][3]; + float bF[3][3]; + float cF[3][3]; + + aF[0][0] = pLeft->eM11; + aF[0][1] = pLeft->eM12; + aF[0][2] = 0; + aF[1][0] = pLeft->eM21; + aF[1][1] = pLeft->eM22; + aF[1][2] = 0; + aF[2][0] = pLeft->eDx; + aF[2][1] = pLeft->eDy; + aF[2][2] = 1; + + bF[0][0] = pRight->eM11; + bF[0][1] = pRight->eM12; + bF[0][2] = 0; + bF[1][0] = pRight->eM21; + bF[1][1] = pRight->eM22; + bF[1][2] = 0; + bF[2][0] = pRight->eDx; + bF[2][1] = pRight->eDy; + bF[2][2] = 1; + + int i, j, k; + for ( i = 0; i < 3; i++ ) + { + for ( j = 0; j < 3; j++ ) + { + cF[i][j] = 0; + for ( k = 0; k < 3; k++ ) + cF[i][j] += aF[i][k] * bF[k][j]; + } + } + maXForm.eM11 = cF[0][0]; + maXForm.eM12 = cF[0][1]; + maXForm.eM21 = cF[1][0]; + maXForm.eM22 = cF[1][1]; + maXForm.eDx = cF[2][0]; + maXForm.eDy = cF[2][1]; + break; + } + case ModifyWorldTransformMode::MWT_SET: + { + SetWorldTransform(rXForm); + break; + } + } + } + + void MtfTools::Push() // !! to be able to access the original ClipRegion it + { // is not allowed to use the MetaPushAction() + UpdateClipRegion(); // (the original clip region is on top of the stack) (SJ) + auto pSave = std::make_shared<SaveStruct>(); + + pSave->aLineStyle = maLineStyle; + pSave->aFillStyle = maFillStyle; + + pSave->aFont = maFont; + pSave->aTextColor = maTextColor; + pSave->nTextAlign = mnTextAlign; + pSave->nTextLayoutMode = mnTextLayoutMode; + pSave->eMapMode = meMapMode; + pSave->eGfxMode = meGfxMode; + pSave->nBkMode = mnBkMode; + pSave->aBkColor = maBkColor; + pSave->bClockWiseArcDirection = mbClockWiseArcDirection; + pSave->bFillStyleSelected = mbFillStyleSelected; + + pSave->aActPos = maActPos; + pSave->aXForm = maXForm; + pSave->eRasterOp = meRasterOp; + + pSave->nWinOrgX = mnWinOrgX; + pSave->nWinOrgY = mnWinOrgY; + pSave->nWinExtX = mnWinExtX; + pSave->nWinExtY = mnWinExtY; + pSave->nDevOrgX = mnDevOrgX; + pSave->nDevOrgY = mnDevOrgY; + pSave->nDevWidth = mnDevWidth; + pSave->nDevHeight = mnDevHeight; + + pSave->maPathObj = maPathObj; + pSave->maClipPath = maClipPath; + + SAL_INFO("emfio", "\t\t GfxMode: " << static_cast<sal_uInt32>(meGfxMode)); + SAL_INFO("emfio", "\t\t MapMode: " << static_cast<sal_uInt32>(meMapMode)); + SAL_INFO("emfio", "\t\t WinOrg: " << mnWinOrgX << ", " << mnWinOrgY); + SAL_INFO("emfio", "\t\t WinExt: " << mnWinExtX << " x " << mnWinExtY); + SAL_INFO("emfio", "\t\t DevOrg: " << mnDevOrgX << ", " << mnDevOrgY); + SAL_INFO("emfio", "\t\t DevWidth/Height: " << mnDevWidth << " x " << mnDevHeight); + SAL_INFO("emfio", "\t\t LineStyle: " << maLineStyle.aLineColor << " FillStyle: " << maFillStyle.aFillColor ); + mvSaveStack.push_back( pSave ); + } + + void MtfTools::Pop( const sal_Int32 nSavedDC ) + { + if ( nSavedDC == 0 ) + return; + + sal_Int32 aIndex; + if ( nSavedDC < 0 ) // WMF/EMF, if negative, nSavedDC represents an instance relative to the current state. + aIndex = static_cast< sal_Int32 >( mvSaveStack.size() ) + nSavedDC; + else + aIndex = nSavedDC; // WMF, if positive, nSavedDC represents a specific instance of the state to be restored. + if( aIndex < 0 ) + { + mvSaveStack.clear(); + return; + } + if( mvSaveStack.empty() || ( aIndex >= static_cast< sal_Int32 >( mvSaveStack.size() ) ) ) + return; + + mvSaveStack.resize( aIndex + 1 ); + // Backup the current data on the stack + std::shared_ptr<SaveStruct>& pSave( mvSaveStack.back() ); + + maLineStyle = pSave->aLineStyle; + maFillStyle = pSave->aFillStyle; + + maFont = pSave->aFont; + maTextColor = pSave->aTextColor; + mnTextAlign = pSave->nTextAlign; + mnTextLayoutMode = pSave->nTextLayoutMode; + mnBkMode = pSave->nBkMode; + meGfxMode = pSave->eGfxMode; + meMapMode = pSave->eMapMode; + maBkColor = pSave->aBkColor; + mbClockWiseArcDirection = pSave->bClockWiseArcDirection; + mbFillStyleSelected = pSave->bFillStyleSelected; + + maActPos = pSave->aActPos; + maXForm = pSave->aXForm; + meRasterOp = pSave->eRasterOp; + + mnWinOrgX = pSave->nWinOrgX; + mnWinOrgY = pSave->nWinOrgY; + mnWinExtX = pSave->nWinExtX; + mnWinExtY = pSave->nWinExtY; + mnDevOrgX = pSave->nDevOrgX; + mnDevOrgY = pSave->nDevOrgY; + mnDevWidth = pSave->nDevWidth; + mnDevHeight = pSave->nDevHeight; + + maPathObj = pSave->maPathObj; + if ( ! ( maClipPath == pSave->maClipPath ) ) + { + maClipPath = pSave->maClipPath; + mbClipNeedsUpdate = true; + } + if ( meLatestRasterOp != meRasterOp ) + { + mpGDIMetaFile->AddAction( new MetaRasterOpAction( meRasterOp ) ); + meLatestRasterOp = meRasterOp; + } + + SAL_INFO("emfio", "\t\t GfxMode: " << static_cast<sal_uInt32>(meGfxMode)); + SAL_INFO("emfio", "\t\t MapMode: " << static_cast<sal_uInt32>(meMapMode)); + SAL_INFO("emfio", "\t\t WinOrg: " << mnWinOrgX << ", " << mnWinOrgY); + SAL_INFO("emfio", "\t\t WinExt: " << mnWinExtX << " x " << mnWinExtY); + SAL_INFO("emfio", "\t\t DevOrg: " << mnDevOrgX << ", " << mnDevOrgY); + SAL_INFO("emfio", "\t\t DevWidth/Height: " << mnDevWidth << " x " << mnDevHeight); + SAL_INFO("emfio", "\t\t LineStyle: " << maLineStyle.aLineColor << " FillStyle: " << maFillStyle.aFillColor ); + mvSaveStack.pop_back(); + } + + void MtfTools::AddFromGDIMetaFile( GDIMetaFile& rGDIMetaFile ) + { + rGDIMetaFile.Play( *mpGDIMetaFile ); + } + + void MtfTools::PassEMFPlusHeaderInfo() + { + EMFP_DEBUG(printf ("\t\t\tadd EMF_PLUS header info\n")); + + SvMemoryStream mem; + sal_Int32 nLeft, nRight, nTop, nBottom; + + nLeft = mrclFrame.Left(); + nTop = mrclFrame.Top(); + nRight = mrclFrame.Right(); + nBottom = mrclFrame.Bottom(); + + // emf header info + mem.WriteInt32( nLeft ).WriteInt32( nTop ).WriteInt32( nRight ).WriteInt32( nBottom ); + mem.WriteInt32( mnPixX ).WriteInt32( mnPixY ).WriteInt32( mnMillX ).WriteInt32( mnMillY ); + + float one, zero; + + one = 1; + zero = 0; + + // add transformation matrix to be used in vcl's metaact.cxx for + // rotate and scale operations + mem.WriteFloat( one ).WriteFloat( zero ).WriteFloat( zero ).WriteFloat( one ).WriteFloat( zero ).WriteFloat( zero ); + + // need to flush the stream, otherwise GetEndOfData will return 0 + // on windows where the function parameters are probably resolved in reverse order + mem.Flush(); + + mpGDIMetaFile->AddAction( new MetaCommentAction( "EMF_PLUS_HEADER_INFO", 0, static_cast<const sal_uInt8*>(mem.GetData()), mem.GetEndOfData() ) ); + mpGDIMetaFile->UseCanvas( true ); + } + + void MtfTools::PassEMFPlus( void const * pBuffer, sal_uInt32 nLength ) + { + EMFP_DEBUG(printf ("\t\t\tadd EMF_PLUS comment length %04x\n",(unsigned int) nLength)); + mpGDIMetaFile->AddAction( new MetaCommentAction( "EMF_PLUS", 0, static_cast<const sal_uInt8*>(pBuffer), nLength ) ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ diff --git a/emfio/source/reader/wmfreader.cxx b/emfio/source/reader/wmfreader.cxx new file mode 100644 index 000000000..bb79033a3 --- /dev/null +++ b/emfio/source/reader/wmfreader.cxx @@ -0,0 +1,2015 @@ +/* -*- 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 <wmfreader.hxx> +#include <emfreader.hxx> + +#include <cstdlib> +#include <memory> +#include <optional> +#include <o3tl/safeint.hxx> +#include <o3tl/unit_conversion.hxx> +#include <rtl/crc.h> +#include <rtl/tencinfo.h> +#include <sal/log.hxx> +#include <osl/endian.h> +#include <vcl/gdimtf.hxx> +#include <vcl/svapp.hxx> +#include <vcl/dibtools.hxx> +#include <vcl/outdev.hxx> +#include <vcl/wmfexternal.hxx> +#include <tools/fract.hxx> +#include <vcl/BitmapReadAccess.hxx> +#include <vcl/BitmapTools.hxx> +#include <osl/thread.h> + +namespace +{ + // MS Windows defines + enum WMFRecords + { + W_META_EOF = 0x0000, + W_META_SETBKCOLOR = 0x0201, + W_META_SETBKMODE = 0x0102, + W_META_SETMAPMODE = 0x0103, + W_META_SETROP2 = 0x0104, + W_META_SETRELABS = 0x0105, + W_META_SETPOLYFILLMODE = 0x0106, + W_META_SETSTRETCHBLTMODE = 0x0107, + W_META_SETTEXTCHAREXTRA = 0x0108, + W_META_SETTEXTCOLOR = 0x0209, + W_META_SETTEXTJUSTIFICATION = 0x020A, + W_META_SETWINDOWORG = 0x020B, + W_META_SETWINDOWEXT = 0x020C, + W_META_SETVIEWPORTORG = 0x020D, + W_META_SETVIEWPORTEXT = 0x020E, + W_META_OFFSETWINDOWORG = 0x020F, + W_META_SCALEWINDOWEXT = 0x0410, + W_META_OFFSETVIEWPORTORG = 0x0211, + W_META_SCALEVIEWPORTEXT = 0x0412, + W_META_LINETO = 0x0213, + W_META_MOVETO = 0x0214, + W_META_EXCLUDECLIPRECT = 0x0415, + W_META_INTERSECTCLIPRECT = 0x0416, + W_META_ARC = 0x0817, + W_META_ELLIPSE = 0x0418, + W_META_FLOODFILL = 0x0419, + W_META_PIE = 0x081A, + W_META_RECTANGLE = 0x041B, + W_META_ROUNDRECT = 0x061C, + W_META_PATBLT = 0x061D, + W_META_SAVEDC = 0x001E, + W_META_SETPIXEL = 0x041F, + W_META_OFFSETCLIPRGN = 0x0220, + W_META_TEXTOUT = 0x0521, + W_META_BITBLT = 0x0922, + W_META_STRETCHBLT = 0x0B23, + W_META_POLYGON = 0x0324, + W_META_POLYLINE = 0x0325, + W_META_ESCAPE = 0x0626, + W_META_RESTOREDC = 0x0127, + W_META_FILLREGION = 0x0228, + W_META_FRAMEREGION = 0x0429, + W_META_INVERTREGION = 0x012A, + W_META_PAINTREGION = 0x012B, + W_META_SELECTCLIPREGION = 0x012C, + W_META_SELECTOBJECT = 0x012D, + W_META_SETTEXTALIGN = 0x012E, + W_META_DRAWTEXT = 0x062F, + W_META_CHORD = 0x0830, + W_META_SETMAPPERFLAGS = 0x0231, + W_META_EXTTEXTOUT = 0x0a32, + W_META_SETDIBTODEV = 0x0d33, + W_META_SELECTPALETTE = 0x0234, + W_META_REALIZEPALETTE = 0x0035, + W_META_ANIMATEPALETTE = 0x0436, + W_META_SETPALENTRIES = 0x0037, + W_META_POLYPOLYGON = 0x0538, + W_META_RESIZEPALETTE = 0x0139, + W_META_DIBBITBLT = 0x0940, + W_META_DIBSTRETCHBLT = 0x0b41, + W_META_DIBCREATEPATTERNBRUSH = 0x0142, + W_META_STRETCHDIB = 0x0f43, + W_META_EXTFLOODFILL = 0x0548, + W_META_RESETDC = 0x014C, + W_META_STARTDOC = 0x014D, + W_META_STARTPAGE = 0x004F, + W_META_ENDPAGE = 0x0050, + W_META_ABORTDOC = 0x0052, + W_META_ENDDOC = 0x005E, + W_META_DELETEOBJECT = 0x01f0, + W_META_CREATEPALETTE = 0x00f7, + W_META_CREATEBRUSH = 0x00F8, + W_META_CREATEPATTERNBRUSH = 0x01F9, + W_META_CREATEPENINDIRECT = 0x02FA, + W_META_CREATEFONTINDIRECT = 0x02FB, + W_META_CREATEBRUSHINDIRECT = 0x02FC, + W_META_CREATEBITMAPINDIRECT = 0x02FD, + W_META_CREATEBITMAP = 0x06FE, + W_META_CREATEREGION = 0x06FF + }; + + void GetWinExtMax(const Point& rSource, tools::Rectangle& rPlaceableBound, emfio::MappingMode eMapMode) + { + Point aSource(rSource); + if (eMapMode == emfio::MappingMode::MM_HIMETRIC) + aSource.setY( -rSource.Y() ); + if (aSource.X() < rPlaceableBound.Left()) + rPlaceableBound.SetLeft( aSource.X() ); + if (aSource.X() > rPlaceableBound.Right()) + rPlaceableBound.SetRight( aSource.X() ); + if (aSource.Y() < rPlaceableBound.Top()) + rPlaceableBound.SetTop( aSource.Y() ); + if (aSource.Y() > rPlaceableBound.Bottom()) + rPlaceableBound.SetBottom( aSource.Y() ); + } + + void GetWinExtMax(const tools::Rectangle& rSource, tools::Rectangle& rPlaceableBound, emfio::MappingMode nMapMode) + { + GetWinExtMax(rSource.TopLeft(), rPlaceableBound, nMapMode); + GetWinExtMax(rSource.BottomRight(), rPlaceableBound, nMapMode); + } + + const char * + record_type_name(sal_uInt16 nRecType) + { + #ifndef SAL_LOG_INFO + (void) nRecType; + return ""; + #else + switch( nRecType ) + { + case W_META_SETBKCOLOR: return "META_SETBKCOLOR"; + case W_META_SETBKMODE: return "META_SETBKMODE"; + case W_META_SETMAPMODE: return "META_SETMAPMODE"; + case W_META_SETROP2: return "META_SETROP2"; + case W_META_SETRELABS: return "META_SETRELABS"; + case W_META_SETPOLYFILLMODE: return "META_SETPOLYFILLMODE"; + case W_META_SETSTRETCHBLTMODE: return "META_SETSTRETCHBLTMODE"; + case W_META_SETTEXTCHAREXTRA: return "META_SETTEXTCHAREXTRA"; + case W_META_SETTEXTCOLOR: return "META_SETTEXTCOLOR"; + case W_META_SETTEXTJUSTIFICATION: return "META_SETTEXTJUSTIFICATION"; + case W_META_SETWINDOWORG: return "META_SETWINDOWORG"; + case W_META_SETWINDOWEXT: return "META_SETWINDOWEXT"; + case W_META_SETVIEWPORTORG: return "META_SETVIEWPORTORG"; + case W_META_SETVIEWPORTEXT: return "META_SETVIEWPORTEXT"; + case W_META_OFFSETWINDOWORG: return "META_OFFSETWINDOWORG"; + case W_META_SCALEWINDOWEXT: return "META_SCALEWINDOWEXT"; + case W_META_OFFSETVIEWPORTORG: return "META_OFFSETVIEWPORTORG"; + case W_META_SCALEVIEWPORTEXT: return "META_SCALEVIEWPORTEXT"; + case W_META_LINETO: return "META_LINETO"; + case W_META_MOVETO: return "META_MOVETO"; + case W_META_EXCLUDECLIPRECT: return "META_EXCLUDECLIPRECT"; + case W_META_INTERSECTCLIPRECT: return "META_INTERSECTCLIPRECT"; + case W_META_ARC: return "META_ARC"; + case W_META_ELLIPSE: return "META_ELLIPSE"; + case W_META_FLOODFILL: return "META_FLOODFILL"; + case W_META_PIE: return "META_PIE"; + case W_META_RECTANGLE: return "META_RECTANGLE"; + case W_META_ROUNDRECT: return "META_ROUNDRECT"; + case W_META_PATBLT: return "META_PATBLT"; + case W_META_SAVEDC: return "META_SAVEDC"; + case W_META_SETPIXEL: return "META_SETPIXEL"; + case W_META_OFFSETCLIPRGN: return "META_OFFSETCLIPRGN"; + case W_META_TEXTOUT: return "META_TEXTOUT"; + case W_META_BITBLT: return "META_BITBLT"; + case W_META_STRETCHBLT: return "META_STRETCHBLT"; + case W_META_POLYGON: return "META_POLYGON"; + case W_META_POLYLINE: return "META_POLYLINE"; + case W_META_ESCAPE: return "META_ESCAPE"; + case W_META_RESTOREDC: return "META_RESTOREDC"; + case W_META_FILLREGION: return "META_FILLREGION"; + case W_META_FRAMEREGION: return "META_FRAMEREGION"; + case W_META_INVERTREGION: return "META_INVERTREGION"; + case W_META_PAINTREGION: return "META_PAINTREGION"; + case W_META_SELECTCLIPREGION: return "META_SELECTCLIPREGION"; + case W_META_SELECTOBJECT: return "META_SELECTOBJECT"; + case W_META_SETTEXTALIGN: return "META_SETTEXTALIGN"; + case W_META_DRAWTEXT: return "META_DRAWTEXT"; + case W_META_CHORD: return "META_CHORD"; + case W_META_SETMAPPERFLAGS: return "META_SETMAPPERFLAGS"; + case W_META_EXTTEXTOUT: return "META_EXTTEXTOUT"; + case W_META_SETDIBTODEV: return "META_SETDIBTODEV"; + case W_META_SELECTPALETTE: return "META_SELECTPALETTE"; + case W_META_REALIZEPALETTE: return "META_REALIZEPALETTE"; + case W_META_ANIMATEPALETTE: return "META_ANIMATEPALETTE"; + case W_META_SETPALENTRIES: return "META_SETPALENTRIES"; + case W_META_POLYPOLYGON: return "META_POLYPOLYGON"; + case W_META_RESIZEPALETTE: return "META_RESIZEPALETTE"; + case W_META_DIBBITBLT: return "META_DIBBITBLT"; + case W_META_DIBSTRETCHBLT: return "META_DIBSTRETCHBLT"; + case W_META_DIBCREATEPATTERNBRUSH: return "META_DIBCREATEPATTERNBRUSH"; + case W_META_STRETCHDIB: return "META_STRETCHDIB"; + case W_META_EXTFLOODFILL: return "META_EXTFLOODFILL"; + case W_META_RESETDC: return "META_RESETDC"; + case W_META_STARTDOC: return "META_STARTDOC"; + case W_META_STARTPAGE: return "META_STARTPAGE"; + case W_META_ENDPAGE: return "META_ENDPAGE"; + case W_META_ABORTDOC: return "META_ABORTDOC"; + case W_META_ENDDOC: return "META_ENDDOC"; + case W_META_DELETEOBJECT: return "META_DELETEOBJECT"; + case W_META_CREATEPALETTE: return "META_CREATEPALETTE"; + case W_META_CREATEBRUSH: return "META_CREATEBRUSH"; + case W_META_CREATEPATTERNBRUSH: return "META_CREATEPATTERNBRUSH"; + case W_META_CREATEPENINDIRECT: return "META_CREATEPENINDIRECT"; + case W_META_CREATEFONTINDIRECT: return "META_CREATEFONTINDIRECT"; + case W_META_CREATEBRUSHINDIRECT: return "META_CREATEBRUSHINDIRECT"; + case W_META_CREATEBITMAPINDIRECT: return "META_CREATEBITMAPINDIRECT"; + case W_META_CREATEBITMAP: return "META_CREATEBITMAP"; + case W_META_CREATEREGION: return "META_CREATEREGION"; + default: + // Yes, return a pointer to a static buffer. This is a very + // local debugging output function, so no big deal. + static char buffer[11]; + sprintf(buffer, "0x%08" SAL_PRIxUINT32, sal_uInt32(nRecType)); + return buffer; + } + #endif + } + +} + +namespace emfio +{ + inline Point WmfReader::ReadPoint() + { + short nX = 0, nY = 0; + mpInputStream->ReadInt16( nX ).ReadInt16( nY ); + return Point( nX, nY ); + } + + inline Point WmfReader::ReadYX() + { + short nX = 0, nY = 0; + mpInputStream->ReadInt16( nY ).ReadInt16( nX ); + return Point( nX, nY ); + } + + tools::Rectangle WmfReader::ReadRectangle() + { + Point aBR, aTL; + aBR = ReadYX(); + aTL = ReadYX(); + aBR.AdjustX( -1 ); + aBR.AdjustY( -1 ); + if (aTL.X() > aBR.X() || aTL.Y() > aBR.Y()) + { + SAL_WARN("emfio", "broken rectangle"); + return tools::Rectangle::Justify(aTL, aBR); + } + return tools::Rectangle( aTL, aBR ); + } + + Size WmfReader::ReadYXExt() + { + short nW=0, nH=0; + mpInputStream->ReadInt16( nH ).ReadInt16( nW ); + return Size( nW, nH ); + } + + void WmfReader::ReadRecordParams( sal_uInt32 nRecordSize, sal_uInt16 nFunc ) + { + SAL_INFO("emfio", "\t" << record_type_name(nFunc)); + switch( nFunc ) + { + case W_META_SETBKCOLOR: + { + SetBkColor( ReadColor() ); + } + break; + + case W_META_SETBKMODE: + { + sal_uInt16 nDat = 0; + mpInputStream->ReadUInt16( nDat ); + SetBkMode( static_cast<BackgroundMode>(nDat) ); + } + break; + + // !!! + case W_META_SETMAPMODE: + { + sal_Int16 nMapMode = 0; + mpInputStream->ReadInt16( nMapMode ); + SetMapMode( static_cast<MappingMode>(nMapMode) ); + } + break; + + case W_META_SETROP2: + { + sal_uInt16 nROP2 = 0; + mpInputStream->ReadUInt16( nROP2 ); + SetRasterOp( static_cast<WMFRasterOp>(nROP2) ); + } + break; + + case W_META_SETTEXTCOLOR: + { + SetTextColor( ReadColor() ); + } + break; + + case W_META_SETWINDOWORG: + { + SetWinOrg( ReadYX() ); + } + break; + + case W_META_SETWINDOWEXT: + { + short nWidth = 0, nHeight = 0; + mpInputStream->ReadInt16( nHeight ).ReadInt16( nWidth ); + SetWinExt( Size( nWidth, nHeight ) ); + } + break; + + case W_META_OFFSETWINDOWORG: + { + short nXAdd = 0, nYAdd = 0; + mpInputStream->ReadInt16( nYAdd ).ReadInt16( nXAdd ); + SetWinOrgOffset( nXAdd, nYAdd ); + } + break; + + case W_META_SCALEWINDOWEXT: + { + short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0; + mpInputStream->ReadInt16( nYDenom ).ReadInt16( nYNum ).ReadInt16( nXDenom ).ReadInt16( nXNum ); + if (!nYDenom || !nXDenom) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + ScaleWinExt( static_cast<double>(nXNum) / nXDenom, static_cast<double>(nYNum) / nYDenom ); + } + break; + + case W_META_SETVIEWPORTORG: + case W_META_SETVIEWPORTEXT: + break; + + case W_META_OFFSETVIEWPORTORG: + { + short nXAdd = 0, nYAdd = 0; + mpInputStream->ReadInt16( nYAdd ).ReadInt16( nXAdd ); + SetDevOrgOffset( nXAdd, nYAdd ); + } + break; + + case W_META_SCALEVIEWPORTEXT: + { + short nXNum = 0, nXDenom = 0, nYNum = 0, nYDenom = 0; + mpInputStream->ReadInt16( nYDenom ).ReadInt16( nYNum ).ReadInt16( nXDenom ).ReadInt16( nXNum ); + if (!nYDenom || !nXDenom) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + ScaleDevExt( static_cast<double>(nXNum) / nXDenom, static_cast<double>(nYNum) / nYDenom ); + } + break; + + case W_META_LINETO: + { + LineTo( ReadYX() ); + } + break; + + case W_META_MOVETO: + { + MoveTo( ReadYX() ); + } + break; + + case W_META_INTERSECTCLIPRECT: + { + IntersectClipRect( ReadRectangle() ); + } + break; + + case W_META_RECTANGLE: + { + DrawRect( ReadRectangle() ); + } + break; + + case W_META_ROUNDRECT: + { + Size aSize( ReadYXExt() ); + DrawRoundRect( ReadRectangle(), Size( aSize.Width() / 2, aSize.Height() / 2 ) ); + } + break; + + case W_META_ELLIPSE: + { + DrawEllipse( ReadRectangle() ); + } + break; + + case W_META_ARC: + { + Point aEnd( ReadYX() ); + Point aStart( ReadYX() ); + tools::Rectangle aRect( ReadRectangle() ); + aRect.Justify(); + DrawArc( aRect, aStart, aEnd ); + } + break; + + case W_META_PIE: + { + Point aEnd( ReadYX() ); + Point aStart( ReadYX() ); + tools::Rectangle aRect( ReadRectangle() ); + aRect.Justify(); + + // #i73608# OutputDevice deviates from WMF + // semantics. start==end means full ellipse here. + if( aStart == aEnd ) + DrawEllipse( aRect ); + else + DrawPie( aRect, aStart, aEnd ); + } + break; + + case W_META_CHORD: + { + Point aEnd( ReadYX() ); + Point aStart( ReadYX() ); + tools::Rectangle aRect( ReadRectangle() ); + aRect.Justify(); + DrawChord( aRect, aStart, aEnd ); + } + break; + + case W_META_POLYGON: + { + bool bRecordOk = true; + + sal_uInt16 nPoints(0); + mpInputStream->ReadUInt16(nPoints); + + if (nPoints > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + } + else + { + tools::Polygon aPoly(nPoints); + for (sal_uInt16 i(0); i < nPoints && mpInputStream->good(); ++i) + aPoly[ i ] = ReadPoint(); + DrawPolygon(std::move(aPoly), false/*bRecordPath*/); + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polygon record has more points than we can handle"); + + bRecordOk &= mpInputStream->good(); + + if (!bRecordOk) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + } + break; + + case W_META_POLYPOLYGON: + { + sal_uInt16 nPolyCount(0); + // Number of polygons: + mpInputStream->ReadUInt16( nPolyCount ); + if (nPolyCount && mpInputStream->good()) + { + bool bRecordOk = true; + if (nPolyCount > mpInputStream->remainingSize() / sizeof(sal_uInt16)) + { + break; + } + + // Number of points of each polygon. Determine total number of points + std::unique_ptr<sal_uInt16[]> xPolygonPointCounts(new sal_uInt16[nPolyCount]); + sal_uInt16* pnPoints = xPolygonPointCounts.get(); + tools::PolyPolygon aPolyPoly(nPolyCount); + sal_uInt16 nPoints = 0; + for (sal_uInt16 a = 0; a < nPolyCount && mpInputStream->good(); ++a) + { + mpInputStream->ReadUInt16( pnPoints[a] ); + + if (pnPoints[a] > SAL_MAX_UINT16 - nPoints) + { + bRecordOk = false; + break; + } + + nPoints += pnPoints[a]; + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record has more polygons than we can handle"); + + bRecordOk &= mpInputStream->good(); + + if (!bRecordOk) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + + // Polygon points are: + for (sal_uInt16 a = 0; a < nPolyCount && mpInputStream->good(); ++a) + { + const sal_uInt16 nPointCount(pnPoints[a]); + + if (nPointCount > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + break; + } + + std::unique_ptr<Point[]> xPolygonPoints(new Point[nPointCount]); + Point* pPtAry = xPolygonPoints.get(); + + for(sal_uInt16 b(0); b < nPointCount && mpInputStream->good(); ++b) + { + pPtAry[b] = ReadPoint(); + } + + aPolyPoly.Insert( tools::Polygon(nPointCount, pPtAry) ); + } + + bRecordOk &= mpInputStream->good(); + + if (!bRecordOk) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + + DrawPolyPolygon( aPolyPoly ); + } + } + break; + + case W_META_POLYLINE: + { + bool bRecordOk = true; + + sal_uInt16 nPoints(0); + mpInputStream->ReadUInt16(nPoints); + + if (nPoints > mpInputStream->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + } + else + { + tools::Polygon aPoly(nPoints); + for (sal_uInt16 i(0); i < nPoints && mpInputStream->good(); ++i) + aPoly[ i ] = ReadPoint(); + DrawPolyLine( std::move(aPoly) ); + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polyline record has more points than we can handle"); + + bRecordOk &= mpInputStream->good(); + + if (!bRecordOk) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + } + break; + + case W_META_SAVEDC: + { + Push(); + } + break; + + case W_META_RESTOREDC: + { + sal_Int16 nSavedDC(0); + mpInputStream->ReadInt16( nSavedDC ); + SAL_INFO( "emfio", "\t\t SavedDC: " << nSavedDC ); + Pop( nSavedDC ); + } + break; + + case W_META_SETPIXEL: + { + const Color aColor = ReadColor(); + DrawPixel( ReadYX(), aColor ); + } + break; + + case W_META_OFFSETCLIPRGN: + { + MoveClipRegion( ReadYXExt() ); + } + break; + + case W_META_TEXTOUT: + { + //record is Recordsize, RecordFunction, StringLength, <String>, YStart, XStart + const sal_uInt32 nNonStringLen = sizeof(sal_uInt32) + 4 * sizeof(sal_uInt16); + const sal_uInt32 nRecSize = mnRecSize * 2; + + if (nRecSize < nNonStringLen) + { + SAL_WARN("emfio", "W_META_TEXTOUT too short"); + break; + } + + sal_uInt16 nLength = 0; + mpInputStream->ReadUInt16(nLength); + sal_uInt16 nStoredLength = (nLength + 1) &~ 1; + + if (nRecSize - nNonStringLen < nStoredLength) + { + SAL_WARN("emfio", "W_META_TEXTOUT too short, truncating string"); + nLength = nStoredLength = nRecSize - nNonStringLen; + } + + if (nLength) + { + std::vector<char> aChars(nStoredLength); + nLength = std::min<sal_uInt16>(nLength, mpInputStream->ReadBytes(aChars.data(), aChars.size())); + OUString aText(aChars.data(), nLength, GetCharSet()); + Point aPosition( ReadYX() ); + DrawText( aPosition, aText ); + } + } + break; + + case W_META_EXTTEXTOUT: + { + //record is Recordsize, RecordFunction, Y, X, StringLength, options, maybe rectangle, <String> + sal_uInt32 nNonStringLen = sizeof(sal_uInt32) + 5 * sizeof(sal_uInt16); + const sal_uInt32 nRecSize = mnRecSize * 2; + + if (nRecSize < nNonStringLen) + { + SAL_WARN("emfio", "W_META_EXTTEXTOUT too short"); + break; + } + + auto nRecordPos = mpInputStream->Tell() - 6; + Point aPosition = ReadYX(); + sal_uInt16 nLen = 0, nOptions = 0; + mpInputStream->ReadUInt16( nLen ).ReadUInt16( nOptions ); + SAL_INFO( "emfio", "\t\t\t Pos: " << aPosition.getX() << ":" << aPosition.getY() << " String Length: " << nLen << " Options: " << nOptions ); + tools::Rectangle aRect; + if ( ( nOptions & ETO_CLIPPED ) || ( nOptions & ETO_OPAQUE ) ) + { + nNonStringLen += 2 * sizeof(sal_uInt16); + + if (nRecSize < nNonStringLen) + { + SAL_WARN("emfio", "W_META_TEXTOUT too short"); + break; + } + const Point aTopLeft = ReadPoint(); + const Point aBottomRight = ReadPoint(); + aRect = tools::Rectangle( aTopLeft, aBottomRight ); + if ( nOptions & ETO_OPAQUE ) + DrawRectWithBGColor( aRect ); + SAL_INFO( "emfio", "\t\t\t Rectangle : " << aTopLeft.getX() << ":" << aTopLeft.getY() << ", " << aBottomRight.getX() << ":" << aBottomRight.getY() ); + } + + vcl::text::ComplexTextLayoutFlags nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::Default; + if ( nOptions & ETO_RTLREADING ) + nTextLayoutMode = vcl::text::ComplexTextLayoutFlags::BiDiRtl | vcl::text::ComplexTextLayoutFlags::TextOriginLeft; + SetTextLayoutMode( nTextLayoutMode ); + SAL_WARN_IF( ( nOptions & ( ETO_PDY | ETO_GLYPH_INDEX ) ) != 0, "emfio", "SJ: ETO_PDY || ETO_GLYPH_INDEX in WMF" ); + + // output only makes sense if the text contains characters + if (nLen) + { + sal_Int32 nOriginalTextLen = nLen; + sal_Int32 nOriginalBlockLen = ( nOriginalTextLen + 1 ) &~ 1; + + auto nMaxStreamPos = nRecordPos + nRecSize; + auto nRemainingSize = std::min(mpInputStream->remainingSize(), nMaxStreamPos - mpInputStream->Tell()); + if (nRemainingSize < o3tl::make_unsigned(nOriginalBlockLen)) + { + SAL_WARN("emfio", "exttextout record claimed more data than the stream can provide"); + nOriginalTextLen = nOriginalBlockLen = nRemainingSize; + } + + std::vector<char> pChar(nOriginalBlockLen); + mpInputStream->ReadBytes(pChar.data(), nOriginalBlockLen); + OUString aText(pChar.data(), nOriginalTextLen, GetCharSet()); // after this conversion the text may contain + sal_Int32 nNewTextLen = aText.getLength(); // less character (japanese version), so the + // dxAry will not fit + if ( nNewTextLen ) + { + if ( nOptions & ETO_CLIPPED ) + { + Push(); // Save the current clip. It will be restored after text drawing + IntersectClipRect( aRect ); + } + SAL_INFO( "emfio", "\t\t\t Text : " << aText ); + std::vector<sal_Int32> aDXAry; + std::unique_ptr<tools::Long[]> pDYAry; + auto nDxArySize = nMaxStreamPos - mpInputStream->Tell(); + auto nDxAryEntries = nDxArySize >> 1; + bool bUseDXAry = false; + + if ( ( ( nDxAryEntries % nOriginalTextLen ) == 0 ) && ( nNewTextLen <= nOriginalTextLen ) ) + { + sal_Int32 i; // needed just outside the for + aDXAry.resize( nNewTextLen ); + if ( nOptions & ETO_PDY ) + { + pDYAry.reset(new tools::Long[ nNewTextLen ]); + } + for (i = 0; i < nNewTextLen; i++ ) + { + if ( mpInputStream->Tell() >= nMaxStreamPos ) + break; + sal_Int32 nDxCount = 1; + if ( nNewTextLen != nOriginalTextLen ) + { + sal_Unicode cUniChar = aText[i]; + OString aTmp(&cUniChar, 1, GetCharSet()); + if ( aTmp.getLength() > 1 ) + { + nDxCount = aTmp.getLength(); + } + } + + sal_Int16 nDx = 0, nDy = 0; + while ( nDxCount-- ) + { + if ( ( mpInputStream->Tell() + 2 ) > nMaxStreamPos ) + break; + sal_Int16 nDxTmp = 0; + mpInputStream->ReadInt16(nDxTmp); + nDx += nDxTmp; + if ( nOptions & ETO_PDY ) + { + if ( ( mpInputStream->Tell() + 2 ) > nMaxStreamPos ) + break; + sal_Int16 nDyTmp = 0; + mpInputStream->ReadInt16(nDyTmp); + nDy += nDyTmp; + } + } + + aDXAry[ i ] = nDx; + if ( nOptions & ETO_PDY ) + { + pDYAry[i] = nDy; + } + } + if ( i == nNewTextLen ) + bUseDXAry = true; + } + if ( bUseDXAry ) + DrawText( aPosition, aText, &aDXAry, pDYAry.get() ); + else + DrawText( aPosition, aText ); + if ( nOptions & ETO_CLIPPED ) + Pop(); + } + } + } + break; + + case W_META_SELECTOBJECT: + case W_META_SELECTPALETTE: + { + sal_uInt16 nObjIndex = 0; + mpInputStream->ReadUInt16( nObjIndex ); + SelectObject( nObjIndex ); + } + break; + + case W_META_SETTEXTALIGN: + { + sal_uInt16 nAlign = 0; + mpInputStream->ReadUInt16( nAlign ); + SetTextAlign( nAlign ); + } + break; + + case W_META_BITBLT: + case W_META_STRETCHBLT: + { + sal_uInt32 nRasterOperation = 0; + sal_Int16 nSrcHeight = 0, nSrcWidth = 0, nYSrc, nXSrc, nSye, nSxe, nBitmapType, nWidth, nHeight, nBytesPerScan; + sal_uInt8 nPlanes, nBitCount; + const bool bNoSourceBitmap = ( nRecordSize == ( static_cast< sal_uInt32 >( nFunc ) >> 8 ) + 3 ); + + mpInputStream->ReadUInt32( nRasterOperation ); + SAL_INFO("emfio", "\t\t Raster operation: 0x" << std::hex << nRasterOperation << std::dec << ", No source bitmap: " << bNoSourceBitmap); + + if( nFunc == W_META_STRETCHBLT ) + mpInputStream->ReadInt16( nSrcHeight ).ReadInt16( nSrcWidth ); + + mpInputStream->ReadInt16( nYSrc ).ReadInt16( nXSrc ); + if ( bNoSourceBitmap ) + mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored) + mpInputStream->ReadInt16( nSye ).ReadInt16( nSxe ); + Point aPoint( ReadYX() ); // The upper-left corner of the destination rectangle. + mpInputStream->ReadInt16( nBitmapType ).ReadInt16( nWidth ).ReadInt16( nHeight ).ReadInt16( nBytesPerScan ).ReadUChar( nPlanes ).ReadUChar( nBitCount ); + + SAL_INFO("emfio", "\t\t Bitmap type:" << nBitmapType << " Width:" << nWidth << " Height:" << nHeight << " WidthBytes:" << nBytesPerScan << " Planes: " << static_cast< sal_uInt16 >( nPlanes ) << " BitCount: " << static_cast< sal_uInt16 >( nBitCount ) ); + if (!mpInputStream->good() || bNoSourceBitmap || nBitCount == 4 || nBitCount == 8 || nPlanes != 1) + { + SAL_WARN("emfio", "\t\t TODO The unsupported Bitmap record. Please fill a bug."); + break; + } + const vcl::PixelFormat ePixelFormat = vcl::bitDepthToPixelFormat( nBitCount ); + bool bOk = nWidth > 0 && nHeight > 0 && nBytesPerScan > 0 && ePixelFormat != vcl::PixelFormat::INVALID; + if (bOk) + { + // must be enough data to fulfil the request + bOk = o3tl::make_unsigned( nBytesPerScan ) <= mpInputStream->remainingSize() / nHeight; + } + if (bOk) + { + // scanline must be large enough to provide all pixels + bOk = nBytesPerScan >= nWidth * nBitCount / 8; + } + if (bOk) + { + std::unique_ptr< sal_uInt8[] > pData; + pData.reset( new sal_uInt8[ nHeight * nBytesPerScan ] ); + mpInputStream->ReadBytes( pData.get(), nHeight * nBytesPerScan ); + BitmapEx aBitmap = vcl::bitmap::CreateFromData( pData.get(), nWidth, nHeight, nBytesPerScan, ePixelFormat, true ); + if ( nSye && nSxe && + ( nXSrc + nSxe <= nWidth ) && + ( nYSrc + nSye <= nHeight ) ) + { + tools::Rectangle aCropRect( Point( nXSrc, nYSrc ), Size( nSxe, nSye ) ); + aBitmap.Crop( aCropRect ); + } + tools::Rectangle aDestRect( aPoint, Size( nSxe, nSye ) ); + maBmpSaveList.emplace_back(aBitmap, aDestRect, nRasterOperation); + } + } + break; + + case W_META_DIBBITBLT: + case W_META_DIBSTRETCHBLT: + case W_META_STRETCHDIB: + { + sal_uInt32 nRasterOperation = 0; + sal_uInt16 nColorUsage = 0; + sal_Int16 nSrcHeight = 0, nSrcWidth = 0, nYSrc = 0, nXSrc = 0; + Bitmap aBmp; + const bool bNoSourceBitmap = ( nFunc != W_META_STRETCHDIB ) && ( nRecordSize == ( ( static_cast< sal_uInt32 >( nFunc ) >> 8 ) + 3 ) ); + + mpInputStream->ReadUInt32( nRasterOperation ); + SAL_INFO("emfio", "\t\t Raster operation: 0x" << std::hex << nRasterOperation << std::dec << ", No source bitmap: " << bNoSourceBitmap); + if( nFunc == W_META_STRETCHDIB ) + mpInputStream->ReadUInt16( nColorUsage ); + + // nSrcHeight and nSrcWidth is the number of pixels that has to been used + // If they are set to zero, it is as indicator not to scale the bitmap later + if( nFunc == W_META_DIBSTRETCHBLT || + nFunc == W_META_STRETCHDIB ) + mpInputStream->ReadInt16( nSrcHeight ).ReadInt16( nSrcWidth ); + + // nYSrc and nXSrc is the offset of the first pixel + mpInputStream->ReadInt16( nYSrc ).ReadInt16( nXSrc ); + + if ( bNoSourceBitmap ) + mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored) + + Size aDestSize( ReadYXExt() ); + if ( aDestSize.Width() && aDestSize.Height() ) // #92623# do not try to read buggy bitmaps + { + tools::Rectangle aDestRect( ReadYX(), aDestSize ); + if ( !bNoSourceBitmap ) + { + // tdf#142625 Read the DIBHeader and check if bitmap is supported + // If bitmap is not supported don't run ReadDIB, as it will interrupt image processing + const auto nOldPos(mpInputStream->Tell()); + sal_uInt32 nHeaderSize(0); + mpInputStream->ReadUInt32( nHeaderSize ); + if ( nHeaderSize == 0xC ) // BitmapCoreHeader + mpInputStream->SeekRel( 6 ); // skip Width (16), Height (16), Planes (16) + else + mpInputStream->SeekRel( 10 ); // skip Width (32), Height (32), Planes (16) + sal_uInt16 nBitCount(0); + mpInputStream->ReadUInt16( nBitCount ); + if ( nBitCount == 0 ) // TODO Undefined BitCount (JPEG/PNG), which are not supported + break; + mpInputStream->Seek(nOldPos); + + if ( !ReadDIB( aBmp, *mpInputStream, false ) ) + SAL_WARN( "emfio", "\tTODO Read DIB failed. Interrupting processing whole image. Please report bug report." ); + } + // test if it is sensible to crop + if ( nSrcHeight && nSrcWidth && + ( nXSrc + nSrcWidth <= aBmp.GetSizePixel().Width() ) && + ( nYSrc + nSrcHeight <= aBmp.GetSizePixel().Height() ) ) + { + tools::Rectangle aCropRect( Point( nXSrc, nYSrc ), Size( nSrcWidth, nSrcHeight ) ); + aBmp.Crop( aCropRect ); + } + + maBmpSaveList.emplace_back(aBmp, aDestRect, nRasterOperation); + } + } + break; + + case W_META_DIBCREATEPATTERNBRUSH: + { + Bitmap aBmp; + sal_uInt32 nRed(0), nGreen(0), nBlue(0), nCount(1); + sal_uInt16 nStyle(0), nColorUsage(0); + + mpInputStream->ReadUInt16( nStyle ).ReadUInt16( nColorUsage ); + BrushStyle eStyle = static_cast<BrushStyle>(nStyle); + SAL_INFO( "emfio", "\t\t Style:" << nStyle << ", ColorUsage: " << nColorUsage ); + if ( eStyle == BrushStyle::BS_PATTERN ) // TODO tdf#142625 Add support for pattern + { + SAL_WARN( "emfio", "\tTODO: Pattern brush style is not supported." ); + CreateObject(); + break; + } + if ( !ReadDIB( aBmp, *mpInputStream, false ) ) + SAL_WARN( "emfio", "\tTODO Read DIB failed. Interrupting processing whole image. Please report bug report." ); + if ( !aBmp.IsEmpty() ) + { + Bitmap::ScopedReadAccess pBmp(aBmp); + for ( tools::Long y = 0; y < pBmp->Height(); y++ ) + { + for ( tools::Long x = 0; x < pBmp->Width(); x++ ) + { + const BitmapColor aColor( pBmp->GetColor( y, x ) ); + + nRed += aColor.GetRed(); + nGreen += aColor.GetGreen(); + nBlue += aColor.GetBlue(); + } + } + nCount = pBmp->Height() * pBmp->Width(); + if ( !nCount ) + nCount++; + } + Color aColor( static_cast<sal_uInt8>( nRed / nCount ), static_cast<sal_uInt8>( nGreen / nCount ), static_cast<sal_uInt8>( nBlue / nCount ) ); + CreateObject(std::make_unique<WinMtfFillStyle>( aColor, false )); + } + break; + + case W_META_DELETEOBJECT: + { + sal_uInt16 nIndex = 0; + mpInputStream->ReadUInt16( nIndex ); + DeleteObject( nIndex ); + } + break; + + case W_META_CREATEPALETTE: + { + sal_uInt16 nStart = 0; + sal_uInt16 nNumberOfEntries = 0; + mpInputStream->ReadUInt16( nStart ); + mpInputStream->ReadUInt16( nNumberOfEntries ); + + SAL_INFO("emfio", "\t\t Start 0x" << std::hex << nStart << std::dec << ", Number of entries: " << nNumberOfEntries); + sal_uInt32 nPalleteEntry; + std::vector< Color > aPaletteColors; + for (sal_uInt16 i = 0; i < nNumberOfEntries; ++i) + { + //PALETTEENTRY: Values, Blue, Green, Red + mpInputStream->ReadUInt32( nPalleteEntry ); + SAL_INFO("emfio", "\t\t " << i << ". Palette entry: " << std::setw(10) << std::showbase <<std::hex << nPalleteEntry << std::dec ); + aPaletteColors.push_back(Color(static_cast<sal_uInt8>(nPalleteEntry), static_cast<sal_uInt8>(nPalleteEntry >> 8), static_cast<sal_uInt8>(nPalleteEntry >> 16))); + } + CreateObject(std::make_unique<WinMtfPalette>( aPaletteColors )); + } + break; + + case W_META_CREATEBRUSH: + { + SAL_WARN( "emfio", "TODO: Not implemented. Please fill the bug report" ); + CreateObject(std::make_unique<WinMtfFillStyle>( COL_WHITE, false )); + } + break; + + case W_META_CREATEPATTERNBRUSH: + { + SAL_WARN( "emfio", "TODO: Not implemented. Please fill the bug report" ); + CreateObject(std::make_unique<WinMtfFillStyle>( COL_WHITE, false )); + } + break; + + case W_META_CREATEPENINDIRECT: + { + LineInfo aLineInfo; + sal_uInt16 nStyle = 0; + sal_uInt16 nWidth = 0; + sal_uInt16 nHeight = 0; + + mpInputStream->ReadUInt16(nStyle); + mpInputStream->ReadUInt16(nWidth); + mpInputStream->ReadUInt16(nHeight); + CreateObject(std::make_unique<WinMtfLineStyle>(ReadColor(), nStyle, nWidth)); + } + break; + + case W_META_CREATEBRUSHINDIRECT: + { + sal_uInt16 nBrushStyle = 0; + mpInputStream->ReadUInt16( nBrushStyle ); + BrushStyle eBrushStyle = static_cast<BrushStyle>(nBrushStyle); + CreateObject(std::make_unique<WinMtfFillStyle>( ReadColor(), ( eBrushStyle == BrushStyle::BS_NULL ) )); + SAL_WARN_IF( (eBrushStyle != BrushStyle::BS_SOLID) && (eBrushStyle != BrushStyle::BS_NULL), "emfio", "TODO: Brush style not implemented. Please fill the bug report" ); + } + break; + + case W_META_CREATEFONTINDIRECT: + { + Size aFontSize; + char lfFaceName[LF_FACESIZE+1]; + sal_Int16 lfEscapement = 0; + sal_Int16 lfOrientation = 0; + sal_Int16 lfWeight = 0; + + LOGFONTW aLogFont; + aFontSize = ReadYXExt(); + mpInputStream->ReadInt16( lfEscapement ); + mpInputStream->ReadInt16( lfOrientation ); + mpInputStream->ReadInt16( lfWeight ); + mpInputStream->ReadUChar( aLogFont.lfItalic ); + mpInputStream->ReadUChar( aLogFont.lfUnderline ); + mpInputStream->ReadUChar( aLogFont.lfStrikeOut ); + mpInputStream->ReadUChar( aLogFont.lfCharSet ); + mpInputStream->ReadUChar( aLogFont.lfOutPrecision ); + mpInputStream->ReadUChar( aLogFont.lfClipPrecision ); + mpInputStream->ReadUChar( aLogFont.lfQuality ); + mpInputStream->ReadUChar( aLogFont.lfPitchAndFamily ); + size_t nRet = mpInputStream->ReadBytes( lfFaceName, LF_FACESIZE ); + lfFaceName[nRet] = 0; + aLogFont.lfWidth = aFontSize.Width(); + aLogFont.lfHeight = aFontSize.Height(); + aLogFont.lfEscapement = lfEscapement; + aLogFont.lfOrientation = lfOrientation; + aLogFont.lfWeight = lfWeight; + + rtl_TextEncoding eCharSet; + if ( ( aLogFont.lfCharSet == OEM_CHARSET ) || ( aLogFont.lfCharSet == DEFAULT_CHARSET ) ) + eCharSet = osl_getThreadTextEncoding(); + else + eCharSet = rtl_getTextEncodingFromWindowsCharset( aLogFont.lfCharSet ); + if ( eCharSet == RTL_TEXTENCODING_DONTKNOW ) + eCharSet = osl_getThreadTextEncoding(); + if ( eCharSet == RTL_TEXTENCODING_SYMBOL ) + eCharSet = RTL_TEXTENCODING_MS_1252; + aLogFont.alfFaceName = OUString( lfFaceName, strlen(lfFaceName), eCharSet ); + + CreateObject(std::make_unique<WinMtfFontStyle>( aLogFont )); + } + break; + + case W_META_CREATEBITMAPINDIRECT: + { + SAL_WARN( "emfio", "TODO: W_META_CREATEBITMAPINDIRECT is not implemented. Please fill the bug report" ); + CreateObject(); + } + break; + + case W_META_CREATEBITMAP: + { + SAL_WARN( "emfio", "TODO: W_META_CREATEBITMAP is not implemented. Please fill the bug report" ); + CreateObject(); + } + break; + + case W_META_CREATEREGION: + { + SAL_WARN( "emfio", "TODO: W_META_CREATEREGION is not implemented. Please fill the bug report" ); + CreateObject(); + } + break; + + case W_META_EXCLUDECLIPRECT : + { + SAL_WARN( "emfio", "TODO: Not working correctly. Please fill the bug report" ); + ExcludeClipRect( ReadRectangle() ); + } + break; + + case W_META_PATBLT: + { + sal_uInt32 nROP = 0; + mpInputStream->ReadUInt32( nROP ); + Size aSize = ReadYXExt(); + WMFRasterOp nOldROP = SetRasterOp( static_cast<WMFRasterOp>(nROP) ); + DrawRect( tools::Rectangle( ReadYX(), aSize ), false ); + SetRasterOp( nOldROP ); + } + break; + + case W_META_SELECTCLIPREGION: + { + sal_uInt16 nObjIndex = 0; + mpInputStream->ReadUInt16( nObjIndex ); + SAL_WARN( "emfio", "TODO: W_META_SELECTCLIPREGION is not implemented. Please fill the bug report" ); + if ( !nObjIndex ) + { + tools::PolyPolygon aEmptyPolyPoly; + SetClipPath( aEmptyPolyPoly, RegionMode::RGN_COPY, true ); + } + } + break; + + case W_META_ESCAPE : + { + // mnRecSize has been checked previously to be greater than 3 + sal_uInt64 nMetaRecSize = static_cast< sal_uInt64 >(mnRecSize - 2 ) * 2; + sal_uInt64 nMetaRecEndPos = mpInputStream->Tell() + nMetaRecSize; + + // taking care that mnRecSize does not exceed the maximal stream position + if ( nMetaRecEndPos > mnEndPos ) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + if (mnRecSize >= 4 ) // minimal escape length + { + sal_uInt16 nMode = 0, nLen = 0; + mpInputStream->ReadUInt16( nMode ) + .ReadUInt16( nLen ); + if ( ( nMode == W_MFCOMMENT ) && ( nLen >= 4 ) ) + { + sal_uInt32 nNewMagic = 0; // we have to read int32 for + mpInputStream->ReadUInt32( nNewMagic ); // META_ESCAPE_ENHANCED_METAFILE CommentIdentifier + + if( nNewMagic == 0x2c2a4f4f && nLen >= 14 ) + { + sal_uInt16 nMagic2 = 0; + mpInputStream->ReadUInt16( nMagic2 ); + if( nMagic2 == 0x0a ) // 2nd half of magic + { // continue with private escape + sal_uInt32 nCheck = 0, nEsc = 0; + mpInputStream->ReadUInt32( nCheck ) + .ReadUInt32( nEsc ); + + sal_uInt32 nEscLen = nLen - 14; + if ( nEscLen <= (mnRecSize * 2 ) ) + { + #ifdef OSL_BIGENDIAN + sal_uInt32 nTmp = OSL_SWAPDWORD( nEsc ); + sal_uInt32 nCheckSum = rtl_crc32( 0, &nTmp, 4 ); + #else + sal_uInt32 nCheckSum = rtl_crc32( 0, &nEsc, 4 ); + #endif + std::unique_ptr<sal_Int8[]> pData; + + if ( ( static_cast< sal_uInt64 >( nEscLen ) + mpInputStream->Tell() ) > nMetaRecEndPos ) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + break; + } + if ( nEscLen > 0 ) + { + pData.reset(new sal_Int8[ nEscLen ]); + mpInputStream->ReadBytes(pData.get(), nEscLen); + nCheckSum = rtl_crc32( nCheckSum, pData.get(), nEscLen ); + } + if ( nCheck == nCheckSum ) + { + switch( nEsc ) + { + case PRIVATE_ESCAPE_UNICODE : + { + // we will use text instead of polygons only if we have the correct font + if ( Application::GetDefaultDevice()->IsFontAvailable( GetFont().GetFamilyName() ) ) + { + Point aPt; + sal_uInt32 nStringLen, nDXCount; + std::vector<sal_Int32> aDXAry; + SvMemoryStream aMemoryStream( nEscLen ); + aMemoryStream.WriteBytes(pData.get(), nEscLen); + aMemoryStream.Seek( STREAM_SEEK_TO_BEGIN ); + sal_Int32 nTmpX(0), nTmpY(0); + aMemoryStream.ReadInt32( nTmpX ) + .ReadInt32( nTmpY ) + .ReadUInt32( nStringLen ); + aPt.setX( nTmpX ); + aPt.setY( nTmpY ); + + if ( ( static_cast< sal_uInt64 >( nStringLen ) * sizeof( sal_Unicode ) ) < ( nEscLen - aMemoryStream.Tell() ) ) + { + OUString aString = read_uInt16s_ToOUString(aMemoryStream, nStringLen); + aMemoryStream.ReadUInt32( nDXCount ); + if ( ( static_cast< sal_uInt64 >( nDXCount ) * sizeof( sal_Int32 ) ) >= ( nEscLen - aMemoryStream.Tell() ) ) + nDXCount = 0; + if ( nDXCount ) + aDXAry.resize(nDXCount); + for (sal_uInt32 i = 0; i < nDXCount; i++ ) + { + sal_Int32 val; + aMemoryStream.ReadInt32( val); + aDXAry[ i ] = val; + } + aMemoryStream.ReadUInt32(mnSkipActions); + DrawText( aPt, aString, aDXAry.empty() ? nullptr : &aDXAry ); + } + } + } + break; + } + } + } + } + } + else if ( (nNewMagic == static_cast< sal_uInt32 >(0x43464D57)) && (nLen >= 34) && ( static_cast<sal_Int32>(nLen + 10) <= static_cast<sal_Int32>(mnRecSize * 2) )) + { + sal_uInt32 nComType = 0, nVersion = 0, nFlags = 0, nComRecCount = 0, + nCurRecSize = 0, nRemainingSize = 0, nEMFTotalSize = 0; + sal_uInt16 nCheck = 0; + + mpInputStream->ReadUInt32( nComType ).ReadUInt32( nVersion ).ReadUInt16( nCheck ).ReadUInt32( nFlags ) + .ReadUInt32( nComRecCount ).ReadUInt32( nCurRecSize ) + .ReadUInt32( nRemainingSize ).ReadUInt32( nEMFTotalSize ); // the nRemainingSize is not mentioned in MSDN documentation + // but it seems to be required to read in data produced by OLE + + if( nComType == 0x01 && nVersion == 0x10000 && nComRecCount ) + { + if( !mnEMFRec) + { // first EMF comment + mnEMFRecCount = nComRecCount; + mnEMFSize = nEMFTotalSize; + if (mnEMFSize > mpInputStream->remainingSize()) + { + SAL_WARN("emfio", "emf size claims to be larger than remaining data"); + mpEMFStream.reset(); + } + else + mpEMFStream = std::vector<sal_uInt8>(); + } + else if( (mnEMFRecCount != nComRecCount ) || (mnEMFSize != nEMFTotalSize ) ) // add additional checks here + { + // total records should be the same as in previous comments + mnEMFRecCount = 0xFFFFFFFF; + mpEMFStream.reset(); + } + mnEMFRec++; + + if (mpEMFStream && nCurRecSize + 34 > nLen) + { + mnEMFRecCount = 0xFFFFFFFF; + mpEMFStream.reset(); + } + + if (mpEMFStream && nCurRecSize > mpInputStream->remainingSize()) + { + SAL_WARN("emfio", "emf record size claims to be larger than remaining data"); + mnEMFRecCount = 0xFFFFFFFF; + mpEMFStream.reset(); + } + + if (mpEMFStream) + { + std::vector<sal_Int8> aBuf(nCurRecSize); + sal_uInt32 nCount = mpInputStream->ReadBytes(aBuf.data(), nCurRecSize); + if( nCount == nCurRecSize ) + { + mpEMFStream->insert(mpEMFStream->end(), aBuf.begin(), aBuf.end()); + } + } + } + } + } + } + } + break; + + case W_META_SETRELABS: + case W_META_SETPOLYFILLMODE: + case W_META_SETSTRETCHBLTMODE: + case W_META_SETTEXTCHAREXTRA: + case W_META_SETTEXTJUSTIFICATION: + case W_META_FLOODFILL : + case W_META_FILLREGION: + case W_META_FRAMEREGION: + case W_META_INVERTREGION: + case W_META_PAINTREGION: + case W_META_DRAWTEXT: + case W_META_SETMAPPERFLAGS: + case W_META_SETDIBTODEV: + case W_META_REALIZEPALETTE: + case W_META_ANIMATEPALETTE: + case W_META_SETPALENTRIES: + case W_META_RESIZEPALETTE: + case W_META_EXTFLOODFILL: + case W_META_RESETDC: + case W_META_STARTDOC: + case W_META_STARTPAGE: + case W_META_ENDPAGE: + case W_META_ABORTDOC: + case W_META_ENDDOC: + { + SAL_WARN("emfio", "TODO: WMF record not implemented: " << record_type_name(nFunc)); + } + break; + + default: + { + SAL_WARN("emfio", "Unknown Meta Action: 0x" << std::hex << nFunc << std::dec); + } + } + + // tdf#127471 + maScaledFontHelper.applyAlternativeFontScale(); + } + + const tools::Long aMaxWidth = 1024; + + bool WmfReader::ReadHeader() + { + sal_uInt64 const nStrmPos = mpInputStream->Tell(); + + sal_uInt32 nPlaceableMetaKey(0); + // if available read the METAFILEHEADER + mpInputStream->ReadUInt32( nPlaceableMetaKey ); + if (!mpInputStream->good()) + return false; + + tools::Rectangle aPlaceableBound; + + mbPlaceable = nPlaceableMetaKey == 0x9ac6cdd7L; + + SAL_INFO("emfio", "Placeable: \"" << (mbPlaceable ? "yes" : "no") << "\""); + + if (mbPlaceable) + { + //TODO do some real error handling here + sal_Int16 nVal(0); + + // Skip reserved bytes + mpInputStream->SeekRel(2); + + // BoundRect + // These are simply ignored for now + mpInputStream->ReadInt16( nVal ); + aPlaceableBound.SetLeft( nVal ); + mpInputStream->ReadInt16( nVal ); + aPlaceableBound.SetTop( nVal ); + mpInputStream->ReadInt16( nVal ); + aPlaceableBound.SetRight( nVal ); + mpInputStream->ReadInt16( nVal ); + aPlaceableBound.SetBottom( nVal ); + + // inch + mpInputStream->ReadUInt16( mnUnitsPerInch ); + + // reserved + mpInputStream->SeekRel( 4 ); + + // Skip and don't check the checksum + mpInputStream->SeekRel( 2 ); + + // Skip wmf header + mpInputStream->Seek( nStrmPos + 40 ); // set the streampos to the start of the metaactions + GetPlaceableBound( aPlaceableBound, mpInputStream ); + // Go back to the place after placeable header + mpInputStream->Seek( nStrmPos + 22); + } + else + { + // Default is 1440, but it is set to 96 to show the wmf larger + mnUnitsPerInch = 96; + + if (mpExternalHeader != nullptr + && mpExternalHeader->xExt > 0 + && mpExternalHeader->yExt > 0 + && (mpExternalHeader->mapMode == MappingMode::MM_ISOTROPIC || mpExternalHeader->mapMode == MappingMode::MM_ANISOTROPIC)) + { + // #n417818#: If we have an external header then overwrite the bounds! + tools::Rectangle aExtRect(0, 0, + o3tl::convert(mpExternalHeader->xExt, o3tl::Length::mm100, o3tl::Length::px), + o3tl::convert(mpExternalHeader->yExt, o3tl::Length::mm100, o3tl::Length::px)); + aPlaceableBound = aExtRect; + + SAL_INFO("emfio", "External header size " + " left: " << aPlaceableBound.Left() << " top: " << aPlaceableBound.Top() + << " right: " << aPlaceableBound.Right() << " bottom: " << aPlaceableBound.Bottom()); + + SetMapMode(static_cast<MappingMode>(mpExternalHeader->mapMode));; + } + else + { + mpInputStream->Seek(nStrmPos + 18); // set the streampos to the start of the metaactions + GetPlaceableBound(aPlaceableBound, mpInputStream); + + // The image size is not known so normalize the calculated bounds so that the + // resulting image is not too big + if (aPlaceableBound.GetWidth() > aMaxWidth) + { + const double fMaxWidth = static_cast<double>(aMaxWidth); + double fRatio = aPlaceableBound.GetWidth() / fMaxWidth; + + // changing mnUnitsPerInch as a tool to scale wmf + mnUnitsPerInch *= fRatio; + + SAL_INFO("emfio", "Placeable bounds " + " left: " << aPlaceableBound.Left() << " top: " << aPlaceableBound.Top() + << " right: " << aPlaceableBound.Right() << " bottom: " << aPlaceableBound.Bottom()); + } + } + + mpInputStream->Seek( nStrmPos ); + } + + SetWinOrg( aPlaceableBound.TopLeft() ); + Size aWMFSize( + std::abs( aPlaceableBound.GetWidth() ), std::abs( aPlaceableBound.GetHeight() ) ); + SetWinExt( aWMFSize ); + + SAL_INFO("emfio", "WMF size w: " << aWMFSize.Width() << " h: " << aWMFSize.Height()); + + Size aDevExt( 10000, 10000 ); + if( ( std::abs( aWMFSize.Width() ) > 1 ) && ( std::abs( aWMFSize.Height() ) > 1 ) ) + { + const Fraction aFrac( 1, mnUnitsPerInch); + MapMode aWMFMap( MapUnit::MapInch, Point(), aFrac, aFrac ); + Size aSize100(OutputDevice::LogicToLogic(aWMFSize, aWMFMap, MapMode(MapUnit::Map100thMM))); + aDevExt = Size( std::abs( aSize100.Width() ), std::abs( aSize100.Height() ) ); + } + SetDevExt( aDevExt ); + + SAL_INFO("emfio", "Dev size w: " << aDevExt.Width() << " h: " << aDevExt.Height()); + + // read the METAHEADER + sal_uInt32 nMetaKey(0); + mpInputStream->ReadUInt32( nMetaKey ); // type and headersize + if (!mpInputStream->good()) + return false; + if (nMetaKey != 0x00090001) + { + sal_uInt16 aNextWord(0); + mpInputStream->ReadUInt16( aNextWord ); + if (nMetaKey != 0x10000 || aNextWord != 0x09) + { + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + return false; + } + } + + mpInputStream->SeekRel( 2 ); // Version (of Windows) + mpInputStream->SeekRel( 4 ); // Size (of file in words) + mpInputStream->SeekRel( 2 ); // NoObjects (maximum number of simultaneous objects) + mpInputStream->SeekRel( 4 ); // MaxRecord (size of largest record in words) + mpInputStream->SeekRel( 2 ); // NoParameters (Unused + + return mpInputStream->good(); + } + + void WmfReader::ReadWMF() + { + sal_uInt16 nFunction; + + mnSkipActions = 0; + + mpEMFStream.reset(); + mnEMFRecCount = 0; + mnEMFRec = 0; + mnEMFSize = 0; + + SetMapMode( MappingMode::MM_ANISOTROPIC ); + SetWinOrg( Point() ); + SetWinExt( Size( 1, 1 ) ); + SetDevExt( Size( 10000, 10000 ) ); + + mnEndPos=mpInputStream->TellEnd(); + mpInputStream->Seek( mnStartPos ); + + if ( ReadHeader( ) ) + { + auto nPos = mpInputStream->Tell(); + + if( mnEndPos - mnStartPos ) + { + bool bEMFAvailable = false; + while( !mpInputStream->eof() ) + { + mpInputStream->ReadUInt32(mnRecSize).ReadUInt16( nFunction ); + + if ( + !mpInputStream->good() || + (mnRecSize < 3) || + (mnRecSize == 3 && nFunction == W_META_EOF) + ) + { + if( mpInputStream->eof() ) + mpInputStream->SetError( SVSTREAM_FILEFORMAT_ERROR ); + + break; + } + + const sal_uInt32 nAvailableBytes = mnEndPos - nPos; + const sal_uInt32 nMaxPossibleRecordSize = nAvailableBytes/2; + if (mnRecSize > nMaxPossibleRecordSize) + { + mpInputStream->SetError(SVSTREAM_FILEFORMAT_ERROR); + break; + } + + if ( !bEMFAvailable ) + { + if( !maBmpSaveList.empty() + && ( nFunction != W_META_STRETCHDIB ) + && ( nFunction != W_META_DIBBITBLT ) + && ( nFunction != W_META_DIBSTRETCHBLT ) + ) + { + ResolveBitmapActions( maBmpSaveList ); + } + + if ( !mnSkipActions) + ReadRecordParams( mnRecSize, nFunction ); + else + mnSkipActions--; + + if(mpEMFStream && mnEMFRecCount == mnEMFRec) + { + GDIMetaFile aMeta; + SvMemoryStream aStream(mpEMFStream->data(), mpEMFStream->size(), StreamMode::STD_READ); + std::unique_ptr<EmfReader> pEMFReader(std::make_unique<EmfReader>(aStream, aMeta)); + pEMFReader->SetEnableEMFPlus(mbEnableEMFPlus); + bEMFAvailable = pEMFReader->ReadEnhWMF(); + pEMFReader.reset(); // destroy first!!! + + if( bEMFAvailable ) + { + AddFromGDIMetaFile( aMeta ); + SetrclFrame( tools::Rectangle( Point(0, 0), aMeta.GetPrefSize())); + + // the stream needs to be set to the wmf end position, + // otherwise the GfxLink that is created will be incorrect + // (leading to graphic loss after swapout/swapin). + // so we will proceed normally, but are ignoring further wmf + // records + } + else + { + // something went wrong + // continue with WMF, don't try this again + mpEMFStream.reset(); + } + } + } + + nPos += mnRecSize * 2; + mpInputStream->Seek(nPos); + } + } + else + mpInputStream->SetError( SVSTREAM_GENERALERROR ); + + if( !mpInputStream->GetError() && !maBmpSaveList.empty() ) + ResolveBitmapActions( maBmpSaveList ); + } + if ( mpInputStream->GetError() ) + mpInputStream->Seek( mnStartPos ); + } + + void WmfReader::GetPlaceableBound( tools::Rectangle& rPlaceableBound, SvStream* pStm ) + { + bool bRet = true; + + tools::Rectangle aBound; + aBound.SetLeft( RECT_MAX ); + aBound.SetTop( RECT_MAX ); + aBound.SetRight( RECT_MIN ); + aBound.SetBottom( RECT_MIN ); + bool bBoundsDetermined = false; + + auto nPos = pStm->Tell(); + auto nEnd = nPos + pStm->remainingSize(); + + Point aWinOrg(0,0); + std::optional<Size> aWinExt; + + Point aViewportOrg(0,0); + std::optional<Size> aViewportExt; + + MappingMode eMapMode = MappingMode::MM_ANISOTROPIC; + + if (nEnd - nPos) + { + sal_uInt16 nFunction; + sal_uInt32 nRSize; + + while( bRet ) + { + pStm->ReadUInt32( nRSize ).ReadUInt16( nFunction ); + + if( pStm->GetError() ) + { + bRet = false; + break; + } + else if (pStm->eof() || nRSize < 3) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + break; + } + else if ( nRSize == 3 && nFunction == W_META_EOF ) + { + break; + } + switch( nFunction ) + { + case W_META_EOF: + { + return; + } + + case W_META_SETWINDOWORG: + { + aWinOrg = ReadYX(); + } + break; + + case W_META_SETWINDOWEXT: + { + sal_Int16 nWidth(0), nHeight(0); + pStm->ReadInt16(nHeight); + pStm->ReadInt16(nWidth); + aWinExt = Size(nWidth, nHeight); + } + break; + + case W_META_SETVIEWPORTORG: + { + aViewportOrg = ReadYX(); + } + break; + + case W_META_SETVIEWPORTEXT: + { + sal_Int16 nWidth(0), nHeight(0); + pStm->ReadInt16(nHeight); + pStm->ReadInt16(nWidth); + aViewportExt = Size(nWidth, nHeight); + } + break; + + case W_META_SETMAPMODE : + { + sal_Int16 nMapMode(0); + pStm->ReadInt16( nMapMode ); + eMapMode = static_cast<MappingMode>(nMapMode); + } + break; + + case W_META_MOVETO: + case W_META_LINETO: + { + GetWinExtMax( ReadYX(), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + + case W_META_RECTANGLE: + case W_META_INTERSECTCLIPRECT: + case W_META_EXCLUDECLIPRECT : + case W_META_ELLIPSE: + { + GetWinExtMax( ReadRectangle(), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + + case W_META_ROUNDRECT: + { + ReadYXExt(); // size + GetWinExtMax( ReadRectangle(), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + + case W_META_ARC: + case W_META_PIE: + case W_META_CHORD: + { + ReadYX(); // end + ReadYX(); // start + GetWinExtMax( ReadRectangle(), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + + case W_META_POLYGON: + { + bool bRecordOk = true; + + sal_uInt16 nPoints(0); + pStm->ReadUInt16( nPoints ); + + if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + } + else + { + for(sal_uInt16 i = 0; i < nPoints; i++ ) + { + GetWinExtMax( ReadPoint(), aBound, eMapMode ); + bBoundsDetermined = true; + } + } + + bRecordOk &= pStm->good(); + + SAL_WARN_IF(!bRecordOk, "emfio", "polyline record claimed more points than the stream can provide"); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + break; + } + } + break; + + case W_META_POLYPOLYGON: + { + bool bRecordOk = true; + sal_uInt16 nPoly(0), nPoints(0); + pStm->ReadUInt16(nPoly); + if (nPoly > pStm->remainingSize() / sizeof(sal_uInt16)) + { + bRecordOk = false; + } + else + { + for(sal_uInt16 i = 0; i < nPoly; i++ ) + { + sal_uInt16 nP = 0; + pStm->ReadUInt16( nP ); + if (nP > SAL_MAX_UINT16 - nPoints) + { + bRecordOk = false; + break; + } + nPoints += nP; + } + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record has more polygons than we can handle"); + + bRecordOk &= pStm->good(); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + break; + } + + if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + } + else + { + for (sal_uInt16 i = 0; i < nPoints; i++ ) + { + GetWinExtMax( ReadPoint(), aBound, eMapMode ); + bBoundsDetermined = true; + } + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polypolygon record claimed more points than the stream can provide"); + + bRecordOk &= pStm->good(); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + break; + } + } + break; + + case W_META_POLYLINE: + { + bool bRecordOk = true; + + sal_uInt16 nPoints(0); + pStm->ReadUInt16(nPoints); + if (nPoints > pStm->remainingSize() / (2 * sizeof(sal_uInt16))) + { + bRecordOk = false; + } + else + { + for (sal_uInt16 i = 0; i < nPoints; ++i) + { + GetWinExtMax( ReadPoint(), aBound, eMapMode ); + bBoundsDetermined = true; + } + } + + SAL_WARN_IF(!bRecordOk, "emfio", "polyline record claimed more points than the stream can provide"); + + bRecordOk &= pStm->good(); + + if (!bRecordOk) + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + break; + } + } + break; + + case W_META_SETPIXEL: + { + ReadColor(); + GetWinExtMax( ReadYX(), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + + case W_META_TEXTOUT: + { + sal_uInt16 nLength(0); + pStm->ReadUInt16( nLength ); + // todo: we also have to take care of the text width + if ( nLength ) + { + pStm->SeekRel( ( nLength + 1 ) &~ 1 ); + GetWinExtMax( ReadYX(), aBound, eMapMode ); + bBoundsDetermined = true; + } + } + break; + + case W_META_EXTTEXTOUT: + { + sal_uInt16 nLen(0), nOptions; + Point aPosition = ReadYX(); + pStm->ReadUInt16( nLen ).ReadUInt16( nOptions ); + // todo: we also have to take care of the text width + if( nLen ) + { + GetWinExtMax( aPosition, aBound, eMapMode ); + bBoundsDetermined = true; + } + } + break; + case W_META_BITBLT: + case W_META_DIBBITBLT: + case W_META_DIBSTRETCHBLT: + case W_META_STRETCHBLT: + case W_META_STRETCHDIB: + { + sal_uInt32 nRasterOperation; + sal_Int16 nYSrc, nXSrc; + sal_uInt16 nColorUsage; + pStm->ReadUInt32( nRasterOperation ); + + if( nFunction == W_META_STRETCHDIB ) + pStm->ReadUInt16( nColorUsage ); + + if( nFunction == W_META_DIBSTRETCHBLT || + nFunction == W_META_STRETCHBLT || + nFunction == W_META_STRETCHDIB ) + { + sal_Int16 nSrcHeight, nSrcWidth; + pStm->ReadInt16( nSrcHeight ).ReadInt16( nSrcWidth ); + } + + // nYSrc and nXSrc is the offset of the first pixel + pStm->ReadInt16( nYSrc ).ReadInt16( nXSrc ); + + const bool bNoSourceBitmap = ( nFunction != W_META_STRETCHDIB ) && ( nRSize == ( ( static_cast< sal_uInt32 >( nFunction ) >> 8 ) + 3 ) ); + if ( bNoSourceBitmap ) + mpInputStream->SeekRel( 2 ); // Skip Reserved 2 bytes (it must be ignored) + + Size aDestSize( ReadYXExt() ); + if ( aDestSize.Width() && aDestSize.Height() ) // #92623# do not try to read buggy bitmaps + { + tools::Rectangle aDestRect( ReadYX(), aDestSize ); + GetWinExtMax( aDestRect, aBound, eMapMode ); + bBoundsDetermined = true; + } + } + break; + + case W_META_PATBLT: + { + sal_uInt32 nROP(0); + pStm->ReadUInt32( nROP ); + Size aSize = ReadYXExt(); + GetWinExtMax( tools::Rectangle( ReadYX(), aSize ), aBound, eMapMode ); + bBoundsDetermined = true; + } + break; + } + + const auto nAvailableBytes = nEnd - nPos; + const auto nMaxPossibleRecordSize = nAvailableBytes/2; + if (nRSize <= nMaxPossibleRecordSize) + { + nPos += nRSize * 2; + pStm->Seek(nPos); + } + else + { + pStm->SetError( SVSTREAM_FILEFORMAT_ERROR ); + bRet = false; + } + } + } + else + { + pStm->SetError( SVSTREAM_GENERALERROR ); + bRet = false; + } + + if (!bRet) + return; + + if (aWinExt) + { + rPlaceableBound = tools::Rectangle(aWinOrg, *aWinExt); + if (mbPlaceable && eMapMode == MM_ANISOTROPIC) + { + // It seems that (in MM_ANISOTROPIC WMFs) the "inch" field (PPI) in META_PLACEABLE is + // ignored and instead competitor office suites decide what it should be arbitrarily + // Could have to do with MM_ANISOTROPICs definition: + // Logical units are mapped to arbitrary units with arbitrarily scaled axes. + // The issue is that when PPI is bigger than the window size, the image appears + // tiny (smaller than an inch squared). + // A solution is to scale PPI down in such images to an arbitrary amount that makes + // the image visible: + auto nWidth = rPlaceableBound.GetWidth(); + auto nHeight = rPlaceableBound.GetHeight(); + if (mnUnitsPerInch > nWidth && mnUnitsPerInch > nHeight) + mnUnitsPerInch = std::max(nWidth, nHeight); + } + SAL_INFO("emfio", "Window dimension " + " left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top() + << " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom()); + } + else if (aViewportExt) + { + rPlaceableBound = tools::Rectangle(aViewportOrg, *aViewportExt); + SAL_INFO("emfio", "Viewport dimension " + " left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top() + << " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom()); + } + else if (bBoundsDetermined) + { + rPlaceableBound = aBound; + SAL_INFO("emfio", "Determined dimension " + " left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top() + << " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom()); + } + else + { + rPlaceableBound.SetLeft( 0 ); + rPlaceableBound.SetTop( 0 ); + rPlaceableBound.SetRight( aMaxWidth ); + rPlaceableBound.SetBottom( aMaxWidth ); + SAL_INFO("emfio", "Default dimension " + " left: " << rPlaceableBound.Left() << " top: " << rPlaceableBound.Top() + << " right: " << rPlaceableBound.Right() << " bottom: " << rPlaceableBound.Bottom()); + } + } + + WmfReader::WmfReader(SvStream& rStreamWMF, GDIMetaFile& rGDIMetaFile, const WmfExternal* pExternalHeader) + : MtfTools(rGDIMetaFile, rStreamWMF) + , mnUnitsPerInch(96) + , mnRecSize(0) + , mbPlaceable(false) + , mnEMFRecCount(0) + , mnEMFRec(0) + , mnEMFSize(0) + , mnSkipActions(0) + , mpExternalHeader(pExternalHeader) + { + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |