1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* -*- 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 "winmtf.hxx"
#include "emfwr.hxx"
#include "wmfwr.hxx"
#include <vcl/wmf.hxx>
#include <vcl/gdimetafiletools.hxx>
#include <comphelper/scopeguard.hxx>
bool ConvertWMFToGDIMetaFile( SvStream & rStreamWMF, GDIMetaFile & rGDIMetaFile, FilterConfigItem* pConfigItem, WMF_EXTERNALHEADER *pExtHeader )
{
sal_uInt32 nMetaType;
sal_uInt32 nOrgPos = rStreamWMF.Tell();
sal_uInt16 nOrigNumberFormat = rStreamWMF.GetNumberFormatInt();
rStreamWMF.SetNumberFormatInt( NUMBERFORMAT_INT_LITTLEENDIAN );
rStreamWMF.Seek( 0x28 );
rStreamWMF.ReadUInt32( nMetaType );
rStreamWMF.Seek( nOrgPos );
if ( nMetaType == 0x464d4520 )
{
if ( !EnhWMFReader( rStreamWMF, rGDIMetaFile, pConfigItem ).ReadEnhWMF() )
rStreamWMF.SetError( SVSTREAM_FILEFORMAT_ERROR );
}
else
{
WMFReader( rStreamWMF, rGDIMetaFile, pConfigItem, pExtHeader ).ReadWMF( );
}
#ifdef DBG_UTIL
// #i123216# allow a look at CheckSum and ByteSize for debugging
SAL_INFO("vcl.emf", "\t\t\tchecksum: 0x" << std::hex << rGDIMetaFile.GetChecksum() << std::dec);
SAL_INFO("vcl.emf", "\t\t\tsize: " << rGDIMetaFile.GetSizeBytes());
#endif
rStreamWMF.SetNumberFormatInt( nOrigNumberFormat );
return !rStreamWMF.GetError();
}
bool ReadWindowMetafile( SvStream& rStream, GDIMetaFile& rMTF, FilterConfigItem* pFilterConfigItem )
{
sal_uInt32 nMetaType(0);
sal_uInt32 nOrgPos = rStream.Tell();
sal_uInt16 nOrigNumberFormat = rStream.GetNumberFormatInt();
rStream.SetNumberFormatInt( NUMBERFORMAT_INT_LITTLEENDIAN );
//exception-safe reset nOrigNumberFormat at end of scope
const ::comphelper::ScopeGuard aScopeGuard(
boost::bind(&SvStream::SetNumberFormatInt, ::boost::ref(rStream),
nOrigNumberFormat));
rStream.Seek( 0x28 );
rStream.ReadUInt32( nMetaType );
rStream.Seek( nOrgPos );
if (!rStream.good())
return false;
if ( nMetaType == 0x464d4520 )
{
if ( !EnhWMFReader( rStream, rMTF, NULL ).ReadEnhWMF() )
rStream.SetError( SVSTREAM_FILEFORMAT_ERROR );
}
else
{
WMFReader( rStream, rMTF, pFilterConfigItem ).ReadWMF();
}
return rStream.good();
}
bool ConvertGDIMetaFileToWMF( const GDIMetaFile & rMTF, SvStream & rTargetStream,
FilterConfigItem* pConfigItem, bool bPlaceable)
{
WMFWriter aWMFWriter;
GDIMetaFile aGdiMetaFile(rMTF);
if(usesClipActions(aGdiMetaFile))
{
// #i121267# It is necessary to prepare the metafile since the export does *not* support
// clip regions. This tooling method clips the geometry content of the metafile internally
// against it's own clip regions, so that the export is safe to ignore clip regions
clipMetafileContentAgainstOwnRegions(aGdiMetaFile);
}
return aWMFWriter.WriteWMF( aGdiMetaFile, rTargetStream, pConfigItem, bPlaceable );
}
bool ConvertGDIMetaFileToEMF(const GDIMetaFile & rMTF, SvStream & rTargetStream)
{
EMFWriter aEMFWriter(rTargetStream);
GDIMetaFile aGdiMetaFile(rMTF);
if(usesClipActions(aGdiMetaFile))
{
// #i121267# It is necessary to prepare the metafile since the export does *not* support
// clip regions. This tooling method clips the geometry content of the metafile internally
// against it's own clip regions, so that the export is safe to ignore clip regions
clipMetafileContentAgainstOwnRegions(aGdiMetaFile);
}
return aEMFWriter.WriteEMF(aGdiMetaFile);
}
bool WriteWindowMetafileBits( SvStream& rStream, const GDIMetaFile& rMTF )
{
return WMFWriter().WriteWMF( rMTF, rStream, NULL, false );
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
