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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 16:51:28 +0000
commit940b4d1848e8c70ab7642901a68594e8016caffc (patch)
treeeb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /emfio/source/reader/emfreader.cxx
parentInitial commit. (diff)
downloadlibreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz
libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--emfio/source/reader/emfreader.cxx2188
1 files changed, 2188 insertions, 0 deletions
diff --git a/emfio/source/reader/emfreader.cxx b/emfio/source/reader/emfreader.cxx
new file mode 100644
index 000000000..fee0fdef6
--- /dev/null
+++ b/emfio/source/reader/emfreader.cxx
@@ -0,0 +1,2188 @@
+/* -*- 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 <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 <vcl/graph.hxx>
+#include <vcl/pdfread.hxx>
+
+#ifdef DBG_UTIL
+#include <vcl/pngwrite.hxx>
+#endif
+
+using namespace std;
+
+// 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 "
+
+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( tools::PolyPolygon& rPolyPoly, SvStream& rStream, sal_uInt32 nLen )
+{
+ if (nLen == 0)
+ return false;
+
+ sal_uInt32 nHdSize, nType, nCount, nRgnSize, i;
+ rStream.ReadUInt32(nHdSize);
+ rStream.ReadUInt32(nType);
+ rStream.ReadUInt32(nCount);
+ rStream.ReadUInt32(nRgnSize);
+
+ if (!rStream.good() || nCount == 0 || nType != RDH_RECTANGLES)
+ return false;
+
+ sal_uInt32 nSize;
+ if (o3tl::checked_multiply<sal_uInt32>(nCount, 16, nSize))
+ return false;
+ if (o3tl::checked_add<sal_uInt32>(nSize, nHdSize - 16, nSize))
+ return false;
+ if (nLen < nSize)
+ return false;
+
+ sal_Int32 nx1, ny1, nx2, ny2;
+ for (i = 0; i < nCount; i++)
+ {
+ rStream.ReadInt32(nx1);
+ rStream.ReadInt32(ny1);
+ rStream.ReadInt32(nx2);
+ rStream.ReadInt32(ny2);
+
+ tools::Rectangle aRectangle(Point(nx1, ny1), Point(nx2, ny2));
+
+ tools::Polygon aPolygon(aRectangle);
+ tools::PolyPolygon aPolyPolyOr1(aPolygon);
+ tools::PolyPolygon aPolyPolyOr2(rPolyPoly);
+ rPolyPoly.GetUnion(aPolyPolyOr1, aPolyPolyOr2);
+ rPolyPoly = aPolyPolyOr2;
+ }
+ 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;
+ 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;
+ 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.concat(OUString(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;
+ mpInputStream->ReadUInt32(nCountFormats);
+ if (nCountFormats < 1)
+ {
+ return;
+ }
+
+ // Read the first EmrFormat.
+ sal_uInt32 nSignature;
+ mpInputStream->ReadUInt32(nSignature);
+ if (nSignature != PDF_SIGNATURE)
+ {
+ return;
+ }
+
+ sal_uInt32 nVersion;
+ mpInputStream->ReadUInt32(nVersion);
+ if (nVersion != 1)
+ {
+ return;
+ }
+
+ sal_uInt32 nSizeData;
+ mpInputStream->ReadUInt32(nSizeData);
+ if (!nSizeData || nSizeData > mpInputStream->remainingSize())
+ {
+ return;
+ }
+
+ sal_uInt32 nOffData;
+ 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(new BSaveStruct(aGraphic.GetBitmapEx(), aOutputRect, SRCCOPY));
+ const std::shared_ptr<VectorGraphicData> pVectorGraphicData
+ = aGraphic.getVectorGraphicData();
+ if (!pVectorGraphicData)
+ {
+ return;
+ }
+
+ if (pVectorGraphicData->getVectorGraphicDataType() != 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(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;
+
+ static bool bEnableEMFPlus = ( getenv( "EMF_PLUS_DISABLE" ) == nullptr );
+
+ SAL_INFO("emfio", "EMF_PLUS_DISABLE 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;
+ mpInputStream->ReadUInt32( nMapMode );
+ SAL_INFO("emfio", "\t\tMapMode: 0x" << std::hex << nMapMode << std::dec);
+ SetMapMode( nMapMode );
+ }
+ break;
+
+ case EMR_SETBKMODE :
+ {
+ mpInputStream->ReadUInt32( nDat32 );
+ SAL_INFO("emfio", "\t\tBkMode: 0x" << std::hex << nDat32 << std::dec);
+ SetBkMode( static_cast<BkMode>(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_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 :
+ {
+ Pop();
+ }
+ break;
+
+ case EMR_SETWORLDTRANSFORM :
+ {
+ XForm aTempXForm;
+ *mpInputStream >> aTempXForm;
+ SetWorldTransform( aTempXForm );
+ }
+ break;
+
+ case EMR_MODIFYWORLDTRANSFORM :
+ {
+ sal_uInt32 nMode;
+ XForm aTempXForm;
+ *mpInputStream >> aTempXForm;
+ mpInputStream->ReadUInt32( nMode );
+ ModifyWorldTransform( aTempXForm, nMode );
+ }
+ break;
+
+ case EMR_SELECTOBJECT :
+ {
+ mpInputStream->ReadUInt32( nIndex );
+ SelectObject( nIndex );
+ }
+ break;
+
+ case EMR_CREATEPEN :
+ {
+ mpInputStream->ReadUInt32( nIndex );
+ if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 )
+ {
+ LineInfo aLineInfo;
+ sal_uInt32 nStyle;
+ sal_Int32 nPenWidth, nIgnored;
+
+ mpInputStream->ReadUInt32( nStyle ).ReadInt32( nPenWidth ).ReadInt32( nIgnored );
+
+ SAL_INFO("emfio", "\t\tIndex: " << nIndex << " nStyle: 0x" << std::hex << nStyle << std::dec << " nPenWidth: " << nPenWidth);
+ // nStyle = PS_COSMETIC = 0x0 - line with a width of one logical unit and a style that is a solid color
+ if ( !nStyle )
+ {
+ // Width 0 means default width for LineInfo (HairLine) with 1 pixel wide
+ aLineInfo.SetWidth( 0 );
+ }
+ else
+ {
+ aLineInfo.SetWidth( nPenWidth );
+ }
+
+ bool bTransparent = false;
+ switch( nStyle & PS_STYLE_MASK )
+ {
+ case PS_DASHDOTDOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 2 );
+ break;
+ case PS_DASHDOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 1 );
+ break;
+ case PS_DOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 0 );
+ aLineInfo.SetDotCount( 1 );
+ break;
+ case PS_DASH :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 0 );
+ break;
+ case PS_NULL :
+ bTransparent = true;
+ aLineInfo.SetStyle( LineStyle::NONE );
+ break;
+ case PS_INSIDEFRAME :
+ case PS_SOLID :
+ default :
+ aLineInfo.SetStyle( LineStyle::Solid );
+ }
+ switch( nStyle & PS_ENDCAP_STYLE_MASK )
+ {
+ case PS_ENDCAP_ROUND :
+ if ( nPenWidth )
+ {
+ aLineInfo.SetLineCap( css::drawing::LineCap_ROUND );
+ break;
+ }
+ [[fallthrough]];
+ case PS_ENDCAP_SQUARE :
+ if ( nPenWidth )
+ {
+ aLineInfo.SetLineCap( css::drawing::LineCap_SQUARE );
+ break;
+ }
+ [[fallthrough]];
+ case PS_ENDCAP_FLAT :
+ default :
+ aLineInfo.SetLineCap( css::drawing::LineCap_BUTT );
+ }
+ switch( nStyle & PS_JOIN_STYLE_MASK )
+ {
+ case PS_JOIN_ROUND :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Round );
+ break;
+ case PS_JOIN_MITER :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Miter );
+ break;
+ case PS_JOIN_BEVEL :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Bevel );
+ break;
+ default :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::NONE );
+ }
+ CreateObjectIndexed(nIndex, std::make_unique<WinMtfLineStyle>( ReadColor(), aLineInfo, bTransparent ));
+ }
+ }
+ break;
+
+ case EMR_EXTCREATEPEN :
+ {
+ sal_Int32 elpHatch;
+ sal_uInt32 offBmi, cbBmi, offBits, cbBits, nStyle, nWidth, nBrushStyle, elpNumEntries;
+ Color aColorRef;
+
+ mpInputStream->ReadUInt32( nIndex );
+ if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 )
+ {
+ mpInputStream->ReadUInt32( offBmi ).ReadUInt32( cbBmi ).ReadUInt32( offBits ).ReadUInt32( cbBits ). ReadUInt32( nStyle ).ReadUInt32( nWidth ).ReadUInt32( nBrushStyle );
+ SAL_INFO("emfio", "\t\tStyle: 0x" << std::hex << nStyle << std::dec);
+ SAL_INFO("emfio", "\t\tWidth: " << nWidth);
+ aColorRef = ReadColor();
+ mpInputStream->ReadInt32( elpHatch ).ReadUInt32( elpNumEntries );
+
+ LineInfo aLineInfo;
+ if ( nWidth )
+ aLineInfo.SetWidth( nWidth );
+
+ bool bTransparent = false;
+
+ switch( nStyle & PS_STYLE_MASK )
+ {
+ case PS_DASHDOTDOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 2 );
+ break;
+ case PS_DASHDOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 1 );
+ break;
+ case PS_DOT :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 0 );
+ aLineInfo.SetDotCount( 1 );
+ break;
+ case PS_DASH :
+ aLineInfo.SetStyle( LineStyle::Dash );
+ aLineInfo.SetDashCount( 1 );
+ aLineInfo.SetDotCount( 0 );
+ break;
+ case PS_NULL :
+ bTransparent = true;
+ aLineInfo.SetStyle( LineStyle::NONE );
+ break;
+
+ case PS_INSIDEFRAME :
+ case PS_SOLID :
+ default :
+ aLineInfo.SetStyle( LineStyle::Solid );
+ }
+ switch( nStyle & PS_ENDCAP_STYLE_MASK )
+ {
+ case PS_ENDCAP_ROUND :
+ if ( aLineInfo.GetWidth() )
+ {
+ aLineInfo.SetLineCap( css::drawing::LineCap_ROUND );
+ break;
+ }
+ [[fallthrough]];
+ case PS_ENDCAP_SQUARE :
+ if ( aLineInfo.GetWidth() )
+ {
+ aLineInfo.SetLineCap( css::drawing::LineCap_SQUARE );
+ break;
+ }
+ [[fallthrough]];
+ case PS_ENDCAP_FLAT :
+ default :
+ aLineInfo.SetLineCap( css::drawing::LineCap_BUTT );
+ }
+ switch( nStyle & PS_JOIN_STYLE_MASK )
+ {
+ case PS_JOIN_ROUND :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Round );
+ break;
+ case PS_JOIN_MITER :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Miter );
+ break;
+ case PS_JOIN_BEVEL :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::Bevel );
+ break;
+ default :
+ aLineInfo.SetLineJoin ( basegfx::B2DLineJoin::NONE );
+ }
+ CreateObjectIndexed(nIndex, std::make_unique<WinMtfLineStyle>( aColorRef, aLineInfo, bTransparent ));
+ }
+ }
+ break;
+
+ case EMR_CREATEBRUSHINDIRECT :
+ {
+ sal_uInt32 nStyle;
+ mpInputStream->ReadUInt32( nIndex );
+ if ( ( nIndex & ENHMETA_STOCK_OBJECT ) == 0 )
+ {
+ mpInputStream->ReadUInt32( nStyle );
+ CreateObjectIndexed(nIndex, std::make_unique<WinMtfFillStyle>( ReadColor(), ( nStyle == 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 );
+ DrawEllipse( ReadRectangle( nX32, nY32, nx32, ny32 ) );
+ }
+ break;
+
+ case EMR_RECTANGLE :
+ {
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 );
+ DrawRect( ReadRectangle( nX32, nY32, nx32, ny32 ) );
+ }
+ break;
+
+ case EMR_ROUNDRECT :
+ {
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nW ).ReadUInt32( nH );
+ Size aSize( Size( nW, nH ) );
+ DrawRoundRect( ReadRectangle( nX32, nY32, nx32, ny32 ), aSize );
+ }
+ break;
+
+ case EMR_ARC :
+ {
+ sal_uInt32 nStartX, nStartY, nEndX, nEndY;
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nStartX ).ReadUInt32( nStartY ).ReadUInt32( nEndX ).ReadUInt32( nEndY );
+ DrawArc( ReadRectangle( nX32, nY32, nx32, ny32 ), Point( nStartX, nStartY ), Point( nEndX, nEndY ) );
+ }
+ break;
+
+ case EMR_CHORD :
+ {
+ sal_uInt32 nStartX, nStartY, nEndX, nEndY;
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nStartX ).ReadUInt32( nStartY ).ReadUInt32( nEndX ).ReadUInt32( nEndY );
+ DrawChord( ReadRectangle( nX32, nY32, nx32, ny32 ), Point( nStartX, nStartY ), Point( nEndX, nEndY ) );
+ }
+ break;
+
+ case EMR_PIE :
+ {
+ sal_uInt32 nStartX, nStartY, nEndX, nEndY;
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nStartX ).ReadUInt32( nStartY ).ReadUInt32( nEndX ).ReadUInt32( nEndY );
+ const tools::Rectangle aRect( ReadRectangle( nX32, nY32, nx32, ny32 ));
+
+ // #i73608# OutputDevice deviates from WMF
+ // semantics. start==end means full ellipse here.
+ if( nStartX == nEndX && nStartY == nEndY )
+ DrawEllipse( aRect );
+ else
+ DrawPie( aRect, Point( nStartX, nStartY ), Point( nEndX, nEndY ) );
+ }
+ break;
+
+ case EMR_LINETO :
+ {
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 );
+ LineTo( Point( nX32, nY32 ), mbRecordPath);
+ }
+ break;
+
+ case EMR_ARCTO :
+ {
+ sal_uInt32 nStartX, nStartY, nEndX, nEndY;
+ mpInputStream->ReadInt32( nX32 ).ReadInt32( nY32 ).ReadInt32( nx32 ).ReadInt32( ny32 ).ReadUInt32( nStartX ).ReadUInt32( nStartY ).ReadUInt32( nEndX ).ReadUInt32( nEndY );
+ DrawArc( ReadRectangle( nX32, nY32, nx32, ny32 ), Point( nStartX, nStartY ), Point( nEndX, nEndY ), true );
+ }
+ 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(), nClippingMode, true);
+ }
+ break;
+
+ case EMR_EXTSELECTCLIPRGN :
+ {
+ sal_Int32 nClippingMode(0), cbRgnData(0);
+ mpInputStream->ReadInt32(cbRgnData);
+ mpInputStream->ReadInt32(nClippingMode);
+
+ // This record's region data should be ignored if mode
+ // is RGN_COPY - see EMF spec section 2.3.2.2
+ if (nClippingMode == RGN_COPY)
+ {
+ SetDefaultClipPath();
+ }
+ else
+ {
+ tools::PolyPolygon aPolyPoly;
+ if (cbRgnData)
+ ImplReadRegion(aPolyPoly, *mpInputStream, nRecSize);
+ SetClipPath(aPolyPoly, 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 ( (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 );
+ mpInputStream->ReadBytes(pBuf + 14, cbBmiSrc);
+
+ 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 );
+ mpInputStream->ReadBytes(pBuf + 14 + nDeltaToDIB5HeaderSize + cbBmiSrc, cbBitsSrc);
+ 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(new BSaveStruct(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;
+
+ Bitmap aBitmap;
+ tools::Rectangle aRect( Point( xDest, yDest ), Size( cxDest, cyDest ) );
+
+ if (!mpInputStream->good() || (cbBitsSrc > (SAL_MAX_UINT32 - 14)) || ((SAL_MAX_UINT32 - 14) - cbBitsSrc < cbBmiSrc))
+ bStatus = false;
+ else
+ {
+ 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 );
+ mpInputStream->ReadBytes(pBuf + 14, cbBmiSrc);
+ mpInputStream->Seek( nStart + offBitsSrc );
+ mpInputStream->ReadBytes(pBuf + 14 + cbBmiSrc, cbBitsSrc);
+ 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(new BSaveStruct(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 );
+ mpInputStream->ReadBytes(pBuf + 14, cbBmiSrc);
+ mpInputStream->Seek( nStart + offBitsSrc );
+ mpInputStream->ReadBytes(pBuf + 14 + cbBmiSrc, cbBitsSrc);
+ 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(new BSaveStruct(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_EXTTEXTOUTA :
+ bFlag = true;
+ [[fallthrough]];
+ case EMR_EXTTEXTOUTW :
+ {
+ sal_Int32 nLeft, nTop, nRight, nBottom, ptlReferenceX, ptlReferenceY, nGfxMode, nXScale, nYScale;
+ sal_uInt32 nOffString, nOptions, offDx;
+ sal_Int32 nLen;
+
+ nCurPos = mpInputStream->Tell() - 8;
+
+ mpInputStream->ReadInt32( nLeft ).ReadInt32( nTop ).ReadInt32( nRight ).ReadInt32( nBottom ).ReadInt32( nGfxMode ).ReadInt32( nXScale ).ReadInt32( nYScale )
+ .ReadInt32( ptlReferenceX ).ReadInt32( ptlReferenceY ).ReadInt32( nLen ).ReadUInt32( nOffString ).ReadUInt32( nOptions );
+
+ SAL_INFO("emfio", "\t\tBounds: " << nLeft << ", " << nTop << ", " << nRight << ", " << nBottom);
+ SAL_INFO("emfio", "\t\tiGraphicsMode: 0x" << std::hex << nGfxMode << std::dec);
+ SAL_INFO("emfio", "\t\texScale: " << nXScale);
+ SAL_INFO("emfio", "\t\teyScale: " << nYScale);
+ SAL_INFO("emfio", "\t\tReference: (" << ptlReferenceX << ", " << ptlReferenceY << ")");
+
+ mpInputStream->SeekRel( 0x10 );
+ mpInputStream->ReadUInt32( offDx );
+
+ ComplexTextLayoutFlags nTextLayoutMode = ComplexTextLayoutFlags::Default;
+ if ( nOptions & ETO_RTLREADING )
+ nTextLayoutMode = ComplexTextLayoutFlags::BiDiRtl | 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 bLenSane = nLen > 0 && nLen < static_cast<sal_Int32>( SAL_MAX_UINT32 / sizeof(sal_Int32) );
+ bool bOffStringSane = nOffString <= mnEndPos - nCurPos;
+ if (bLenSane && bOffStringSane)
+ {
+ mpInputStream->Seek( nCurPos + nOffString );
+ OUString aText;
+ if ( bFlag )
+ {
+ if ( nLen <= static_cast<sal_Int32>( mnEndPos - mpInputStream->Tell() ) )
+ {
+ std::unique_ptr<char[]> pBuf(new char[ nLen ]);
+ mpInputStream->ReadBytes(pBuf.get(), nLen);
+ aText = OUString(pBuf.get(), 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::unique_ptr<long[]> pDXAry, pDYAry;
+
+ sal_Int32 nDxSize;
+ bool bOverflow = o3tl::checked_multiply<sal_Int32>(nLen, (nOptions & ETO_PDY) ? 8 : 4, nDxSize);
+ if (!bOverflow && offDx && ((nCurPos + offDx + nDxSize) <= nNextPos ) && nNextPos <= mnEndPos)
+ {
+ mpInputStream->Seek( nCurPos + offDx );
+ pDXAry.reset( new long[aText.getLength()] );
+ if (nOptions & ETO_PDY)
+ {
+ pDYAry.reset( new long[aText.getLength()] );
+ }
+
+ for (sal_Int32 i = 0; i < aText.getLength(); ++i)
+ {
+ sal_Int32 nDxCount = 1;
+ if (aText.getLength() != nLen)
+ {
+ sal_Unicode cUniChar = aText[i];
+ OString aTmp(&cUniChar, 1, GetCharSet());
+ if (aTmp.getLength() > 1)
+ {
+ nDxCount = aTmp.getLength();
+ }
+ }
+
+ sal_Int32 nDx = 0, nDy = 0;
+ while (nDxCount--)
+ {
+ sal_Int32 nDxTmp = 0;
+ mpInputStream->ReadInt32(nDxTmp);
+ nDx += nDxTmp;
+ if (nOptions & ETO_PDY)
+ {
+ sal_Int32 nDyTmp = 0;
+ mpInputStream->ReadInt32(nDyTmp);
+ nDy += nDyTmp;
+ }
+ }
+
+ SAL_INFO("emfio", "\t\t\tSpacing " << i << ": " << nDx);
+ pDXAry[i] = nDx;
+ if (nOptions & ETO_PDY)
+ {
+ pDYAry[i] = nDy;
+ }
+ }
+ }
+ DrawText(aPos, aText, pDXAry.get(), pDYAry.get(), mbRecordPath, nGfxMode);
+ }
+ }
+ 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 nLen;
+ tools::PolyPolygon aPolyPoly;
+ mpInputStream->SeekRel( 0x10 );
+ mpInputStream->ReadUInt32( nLen ).ReadUInt32( nIndex );
+
+ if ( ImplReadRegion( aPolyPoly, *mpInputStream, nRecSize ) )
+ {
+ Push();
+ SelectObject( nIndex );
+ DrawPolyPolygon( aPolyPoly );
+ Pop();
+ }
+ }
+ 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 ( (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 );
+ mpInputStream->ReadBytes(pBuf + 14, cbBmi);
+ mpInputStream->Seek( nStart + offBits );
+ mpInputStream->ReadBytes(pBuf + 14 + cbBmi, cbBits);
+ aTmp.Seek( 0 );
+ ReadDIB(aBitmap, aTmp, true);
+ }
+ }
+ }
+
+ CreateObjectIndexed(nIndex, std::make_unique<WinMtfFillStyle>( aBitmap ));
+ }
+ break;
+
+ case EMR_MASKBLT : SAL_WARN("emfio", "not implemented 'MaskBlt'"); break;
+ case EMR_PLGBLT : SAL_WARN("emfio", "not implemented 'PlgBlt'"); break;
+ case EMR_SETDIBITSTODEVICE : SAL_WARN("emfio", "not implemented 'SetDIBitsToDevice'"); break;
+ case EMR_FRAMERGN : SAL_WARN("emfio", "not implemented 'FrameRgn'"); break;
+ case EMR_INVERTRGN : SAL_WARN("emfio", "not implemented 'InvertRgn'"); break;
+ case EMR_PAINTRGN : SAL_WARN("emfio", "not implemented 'PaintRgn'"); break;
+ case EMR_FLATTENPATH : SAL_WARN("emfio", "not implemented 'FlattenPath'"); break;
+ case EMR_WIDENPATH : SAL_WARN("emfio", "not implemented 'WidenPath'"); break;
+ case EMR_POLYDRAW : SAL_WARN("emfio", "not implemented 'Polydraw'"); break;
+ case EMR_SETARCDIRECTION : SAL_WARN("emfio", "not implemented 'SetArcDirection'"); break;
+ case EMR_SETPALETTEENTRIES : SAL_WARN("emfio", "not implemented 'SetPaletteEntries'"); break;
+ case EMR_RESIZEPALETTE : SAL_WARN("emfio", "not implemented 'ResizePalette'"); break;
+ case EMR_EXTFLOODFILL : SAL_WARN("emfio", "not implemented 'ExtFloodFill'"); break;
+ case EMR_ANGLEARC : SAL_WARN("emfio", "not implemented 'AngleArc'"); break;
+ case EMR_SETCOLORADJUSTMENT : SAL_WARN("emfio", "not implemented 'SetColorAdjustment'"); break;
+ case EMR_POLYDRAW16 : SAL_WARN("emfio", "not implemented 'PolyDraw16'"); break;
+ case EMR_POLYTEXTOUTA : SAL_WARN("emfio", "not implemented 'PolyTextOutA'"); break;
+ case EMR_POLYTEXTOUTW : SAL_WARN("emfio", "not implemented 'PolyTextOutW'"); break;
+ case EMR_CREATECOLORSPACE : SAL_WARN("emfio", "not implemented 'CreateColorSpace'"); break;
+ case EMR_SETCOLORSPACE : SAL_WARN("emfio", "not implemented 'SetColorSpace'"); break;
+ case EMR_DELETECOLORSPACE : SAL_WARN("emfio", "not implemented 'DeleteColorSpace'"); break;
+ case EMR_GLSRECORD : SAL_WARN("emfio", "not implemented 'GlsRecord'"); break;
+ case EMR_GLSBOUNDEDRECORD : SAL_WARN("emfio", "not implemented 'GlsBoundRecord'"); break;
+ case EMR_PIXELFORMAT : SAL_WARN("emfio", "not implemented 'PixelFormat'"); break;
+ case EMR_DRAWESCAPE : SAL_WARN("emfio", "not implemented 'DrawEscape'"); break;
+ case EMR_EXTESCAPE : SAL_WARN("emfio", "not implemented 'ExtEscape'"); break;
+ case EMR_STARTDOC : SAL_WARN("emfio", "not implemented 'StartDoc'"); break;
+ case EMR_SMALLTEXTOUT : SAL_WARN("emfio", "not implemented 'SmallTextOut'"); break;
+ case EMR_FORCEUFIMAPPING : SAL_WARN("emfio", "not implemented 'ForceUFIMapping'"); break;
+ case EMR_NAMEDESCAPE : SAL_WARN("emfio", "not implemented 'NamedEscape'"); break;
+ case EMR_COLORCORRECTPALETTE : SAL_WARN("emfio", "not implemented 'ColorCorrectPalette'"); break;
+ case EMR_SETICMPROFILEA : SAL_WARN("emfio", "not implemented 'SetICMProfileA'"); break;
+ case EMR_SETICMPROFILEW : SAL_WARN("emfio", "not implemented 'SetICMProfileW'"); break;
+ case EMR_TRANSPARENTBLT : SAL_WARN("emfio", "not implemented 'TransparenBlt'"); break;
+ case EMR_TRANSPARENTDIB : SAL_WARN("emfio", "not implemented 'TransparenDib'"); break;
+ case EMR_GRADIENTFILL : SAL_WARN("emfio", "not implemented 'GradientFill'"); break;
+ case EMR_SETLINKEDUFIS : SAL_WARN("emfio", "not implemented 'SetLinkedUFIS'"); break;
+
+ case EMR_SETMAPPERFLAGS : SAL_WARN("emfio", "not implemented 'SetMapperFlags'"); break;
+ case EMR_SETICMMODE : SAL_WARN("emfio", "not implemented 'SetICMMode'"); break;
+ case EMR_CREATEMONOBRUSH : SAL_WARN("emfio", "not implemented 'CreateMonoBrush'"); break;
+ case EMR_SETBRUSHORGEX : SAL_WARN("emfio", "not implemented 'SetBrushOrgEx'"); break;
+ case EMR_SETMETARGN : SAL_WARN("emfio", "not implemented 'SetMetArgn'"); break;
+ case EMR_SETMITERLIMIT : SAL_WARN("emfio", "not implemented 'SetMiterLimit'"); break;
+ case EMR_EXCLUDECLIPRECT : SAL_WARN("emfio", "not implemented 'ExcludeClipRect'"); break;
+ case EMR_REALIZEPALETTE : SAL_WARN("emfio", "not implemented 'RealizePalette'"); break;
+ case EMR_SELECTPALETTE : SAL_WARN("emfio", "not implemented 'SelectPalette'"); break;
+ case EMR_CREATEPALETTE : SAL_WARN("emfio", "not implemented 'CreatePalette'"); break;
+ case EMR_ALPHADIBBLEND : SAL_WARN("emfio", "not implemented 'AlphaDibBlend'"); break;
+ case EMR_SETTEXTJUSTIFICATION : SAL_WARN("emfio", "not implemented 'SetTextJustification'"); 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 );
+ }
+ 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 << nSignature << 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->ReadInt32(mnRecordCount);
+ SAL_INFO("emfio", "\tRecords: " << mnRecordCount);
+
+ if (mnRecordCount <= 0)
+ {
+ SAL_WARN("emfio", "EMF\t\tEMF Header object shows record counter as <= 0! This shouldn't "
+ "be possible... indicator of possible file corruption?");
+ return false;
+ }
+
+ // 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, nTop, nRight, nBottom;
+ 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: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-17 12:00:09 +0000