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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
/* -*- 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 <sal/config.h>
#include <com/sun/star/graphic/XEmfParser.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <cppuhelper/implbase2.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <comphelper/sequence.hxx>
#include <drawinglayer/primitive2d/baseprimitive2d.hxx>
#include <vcl/outdev.hxx>
#include <vcl/svapp.hxx>
#include <vcl/wmfexternal.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <unotools/ucbstreamhelper.hxx>
#include <drawinglayer/primitive2d/metafileprimitive2d.hxx>
#include <sal/log.hxx>
#include <wmfreader.hxx>
#include <emfreader.hxx>
#include "xemfparser.hxx"
using namespace ::com::sun::star;
namespace emfio::emfreader
{
namespace {
class XEmfParser : public ::cppu::WeakAggImplHelper2< graphic::XEmfParser, lang::XServiceInfo >
{
private:
uno::Reference< uno::XComponentContext > context_;
basegfx::B2DTuple maSizeHint;
protected:
public:
explicit XEmfParser(
uno::Reference< uno::XComponentContext > const & context);
XEmfParser(const XEmfParser&) = delete;
XEmfParser& operator=(const XEmfParser&) = delete;
// XEmfParser
virtual uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > SAL_CALL getDecomposition(
const uno::Reference< ::io::XInputStream >& xEmfStream,
const OUString& aAbsolutePath,
const uno::Sequence< ::beans::PropertyValue >& rProperties) override;
void SAL_CALL setSizeHint(const geometry::RealPoint2D& rSize) override;
// XServiceInfo
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService(const OUString&) override;
virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
};
}
} // end of namespace emfio::emfreader
// uno functions
namespace emfio::emfreader
{
uno::Sequence< OUString > XEmfParser_getSupportedServiceNames()
{
return uno::Sequence< OUString > { "com.sun.star.graphic.EmfTools" };
}
OUString XEmfParser_getImplementationName()
{
return "emfio::emfreader::XEmfParser";
}
uno::Reference< uno::XInterface > XEmfParser_createInstance(const uno::Reference< uno::XComponentContext >& context)
{
return static_cast< ::cppu::OWeakObject* >(new XEmfParser(context));
}
} // end of namespace emfio::emfreader
namespace emfio::emfreader
{
XEmfParser::XEmfParser(
uno::Reference< uno::XComponentContext > const & context):
context_(context)
{
}
uno::Sequence< uno::Reference< ::graphic::XPrimitive2D > > XEmfParser::getDecomposition(
const uno::Reference< ::io::XInputStream >& xEmfStream,
const OUString& /*aAbsolutePath*/,
const uno::Sequence< ::beans::PropertyValue >& rProperties)
{
drawinglayer::primitive2d::Primitive2DContainer aRetval;
if (xEmfStream.is())
{
WmfExternal aExternalHeader;
const bool bExternalHeaderUsed(aExternalHeader.setSequence(rProperties));
// rough check - import and conv to primitive
GDIMetaFile aMtf;
std::unique_ptr<SvStream> pStream(::utl::UcbStreamHelper::CreateStream(xEmfStream));
sal_uInt32 nOrgPos = pStream->Tell();
SvStreamEndian nOrigNumberFormat = pStream->GetEndian();
pStream->SetEndian(SvStreamEndian::LITTLE);
sal_uInt32 nMetaType(0);
if (checkSeek(*pStream, 0x28))
pStream->ReadUInt32(nMetaType);
pStream->Seek(nOrgPos);
bool bReadError(false);
try
{
if (nMetaType == 0x464d4520)
{
// read and get possible failure/error, ReadEnhWMF returns success
emfio::EmfReader aReader(*pStream, aMtf);
aReader.SetSizeHint(maSizeHint);
bReadError = !aReader.ReadEnhWMF();
}
else
{
emfio::WmfReader(*pStream, aMtf, bExternalHeaderUsed ? &aExternalHeader : nullptr).ReadWMF();
// Need to check for ErrCode at stream to not lose former work.
// This may contain important information and will behave the
// same as before. When we have an error, do not create content
ErrCode aErrCode(pStream->GetError());
bReadError = aErrCode.IsError();
}
}
catch (...)
{
bReadError = true;
}
pStream->SetEndian(nOrigNumberFormat);
if (!bReadError)
{
Size aSize(aMtf.GetPrefSize());
if (aMtf.GetPrefMapMode().GetMapUnit() == MapUnit::MapPixel)
{
aSize = Application::GetDefaultDevice()->PixelToLogic(aSize, MapMode(MapUnit::Map100thMM));
}
else
{
aSize = OutputDevice::LogicToLogic(aSize, aMtf.GetPrefMapMode(), MapMode(MapUnit::Map100thMM));
}
// use size
const basegfx::B2DHomMatrix aMetafileTransform(
basegfx::utils::createScaleB2DHomMatrix(
aSize.Width(),
aSize.Height()));
// ...and create a single MetafilePrimitive2D containing the Metafile.
// CAUTION: Currently, ReadWindowMetafile uses the local VectorGraphicData
// and a MetafileAccessor hook at the MetafilePrimitive2D inside of
// ImpGraphic::ImplGetGDIMetaFile to get the Metafile. Thus, the first
// and only primitive in this case *has to be* a MetafilePrimitive2D.
aRetval.push_back(
new drawinglayer::primitive2d::MetafilePrimitive2D(
aMetafileTransform,
aMtf));
// // force to use decomposition directly to get rid of the metafile
// const css::uno::Sequence< css::beans::PropertyValue > aViewParameters;
// drawinglayer::primitive2d::MetafilePrimitive2D aMetafilePrimitive2D(
// aMetafileTransform,
// aMtf);
// aRetval.append(aMetafilePrimitive2D.getDecomposition(aViewParameters));
// if (aRetval.empty())
// {
// // for test, just create some graphic data that will get visualized
// const basegfx::B2DRange aRange(1000, 1000, 5000, 5000);
// const basegfx::BColor aColor(1.0, 0.0, 0.0);
// const basegfx::B2DPolygon aOutline(basegfx::utils::createPolygonFromRect(aRange));
//
// aRetval.push_back(new drawinglayer::primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aOutline), aColor));
// }
}
}
else
{
SAL_WARN("emfio", "Invalid stream (!)");
}
return comphelper::containerToSequence(aRetval);
}
void XEmfParser::setSizeHint(const geometry::RealPoint2D& rSize)
{
maSizeHint.setX(rSize.X);
maSizeHint.setY(rSize.Y);
}
OUString SAL_CALL XEmfParser::getImplementationName()
{
return XEmfParser_getImplementationName();
}
sal_Bool SAL_CALL XEmfParser::supportsService(const OUString& rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence< OUString > SAL_CALL XEmfParser::getSupportedServiceNames()
{
return XEmfParser_getSupportedServiceNames();
}
} // end of namespace emfio::emfreader
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
