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
|
/* -*- 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/.
*/
#include "EPUBExportFilter.hxx"
#include <config_libepubgen.h>
#include <libepubgen/EPUBTextGenerator.h>
#include <libepubgen/libepubgen-decls.h>
#include <com/sun/star/beans/PropertyAttribute.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/text/XPageCursor.hpp>
#include <com/sun/star/text/XTextViewCursorSupplier.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/view/XRenderable.hpp>
#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
#include <comphelper/genericpropertyset.hxx>
#include <comphelper/propertysetinfo.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <svtools/DocumentToGraphicRenderer.hxx>
#include "exp/xmlimp.hxx"
#include "EPUBPackage.hxx"
using namespace com::sun::star;
namespace writerperfect
{
EPUBExportFilter::EPUBExportFilter(const uno::Reference<uno::XComponentContext> &xContext)
: mxContext(xContext)
{
}
sal_Int32 EPUBExportFilter::GetDefaultVersion()
{
return 30;
}
sal_Int32 EPUBExportFilter::GetDefaultSplitMethod()
{
return libepubgen::EPUB_SPLIT_METHOD_HEADING;
}
sal_Int32 EPUBExportFilter::GetDefaultLayoutMethod()
{
#if LIBEPUBGEN_VERSION_SUPPORT
return libepubgen::EPUB_LAYOUT_METHOD_REFLOWABLE;
#else
return 0;
#endif
}
sal_Bool EPUBExportFilter::filter(const uno::Sequence<beans::PropertyValue> &rDescriptor)
{
sal_Int32 nVersion = EPUBExportFilter::GetDefaultVersion();
sal_Int32 nSplitMethod = EPUBExportFilter::GetDefaultSplitMethod();
sal_Int32 nLayoutMethod = EPUBExportFilter::GetDefaultLayoutMethod();
uno::Sequence<beans::PropertyValue> aFilterData;
OUString aFilterOptions;
for (sal_Int32 i = 0; i < rDescriptor.getLength(); ++i)
{
if (rDescriptor[i].Name == "FilterData")
rDescriptor[i].Value >>= aFilterData;
else if (rDescriptor[i].Name == "FilterOptions")
rDescriptor[i].Value >>= aFilterOptions;
}
#if LIBEPUBGEN_VERSION_SUPPORT
if (aFilterOptions == "layout=fixed")
nLayoutMethod = libepubgen::EPUB_LAYOUT_METHOD_FIXED;
#endif
for (sal_Int32 i = 0; i < aFilterData.getLength(); ++i)
{
if (aFilterData[i].Name == "EPUBVersion")
aFilterData[i].Value >>= nVersion;
else if (aFilterData[i].Name == "EPUBSplitMethod")
aFilterData[i].Value >>= nSplitMethod;
else if (aFilterData[i].Name == "EPUBLayoutMethod")
aFilterData[i].Value >>= nLayoutMethod;
}
// Build the export filter chain: the package has direct access to the ZIP
// file, the flat ODF filter has access to the doc model, everything else
// is in-between.
EPUBPackage aPackage(mxContext, rDescriptor);
libepubgen::EPUBTextGenerator aGenerator(&aPackage, static_cast<libepubgen::EPUBSplitMethod>(nSplitMethod)
#if LIBEPUBGEN_VERSION_SUPPORT
, nVersion
#endif
);
#if LIBEPUBGEN_VERSION_SUPPORT
aGenerator.setLayoutMethod(static_cast<libepubgen::EPUBLayoutMethod>(nLayoutMethod));
#endif
OUString aSourceURL;
uno::Reference<frame::XModel> xSourceModel(mxSourceDocument, uno::UNO_QUERY);
if (xSourceModel.is())
aSourceURL = xSourceModel->getURL();
std::vector<std::pair<uno::Sequence<sal_Int8>, Size>> aPageMetafiles;
#if LIBEPUBGEN_VERSION_SUPPORT
if (nLayoutMethod == libepubgen::EPUB_LAYOUT_METHOD_FIXED)
CreateMetafiles(aPageMetafiles);
#endif
uno::Reference<xml::sax::XDocumentHandler> xExportHandler(new exp::XMLImport(mxContext, aGenerator, aSourceURL, rDescriptor, aPageMetafiles));
uno::Reference<lang::XInitialization> xInitialization(mxContext->getServiceManager()->createInstanceWithContext("com.sun.star.comp.Writer.XMLOasisExporter", mxContext), uno::UNO_QUERY);
// A subset of parameters are passed in as a property set.
comphelper::PropertyMapEntry const aInfoMap[] =
{
{OUString("BaseURI"), 0, cppu::UnoType<OUString>::get(), beans::PropertyAttribute::MAYBEVOID, 0},
{OUString(), 0, uno::Type(), 0, 0}
};
uno::Reference<beans::XPropertySet> xInfoSet(comphelper::GenericPropertySet_CreateInstance(new comphelper::PropertySetInfo(aInfoMap)));
xInfoSet->setPropertyValue("BaseURI", uno::makeAny(aSourceURL));
xInitialization->initialize({uno::makeAny(xExportHandler), uno::makeAny(xInfoSet)});
uno::Reference<document::XExporter> xExporter(xInitialization, uno::UNO_QUERY);
xExporter->setSourceDocument(mxSourceDocument);
uno::Reference<document::XFilter> xFilter(xInitialization, uno::UNO_QUERY);
return xFilter->filter(rDescriptor);
}
void EPUBExportFilter::CreateMetafiles(std::vector<std::pair<uno::Sequence<sal_Int8>, Size>> &rPageMetafiles)
{
DocumentToGraphicRenderer aRenderer(mxSourceDocument, /*bSelectionOnly=*/false);
uno::Reference<frame::XModel> xModel(mxSourceDocument, uno::UNO_QUERY);
if (!xModel.is())
return;
uno::Reference<text::XTextViewCursorSupplier> xTextViewCursorSupplier(xModel->getCurrentController(), uno::UNO_QUERY);
if (!xTextViewCursorSupplier.is())
return;
uno::Reference<text::XPageCursor> xCursor(xTextViewCursorSupplier->getViewCursor(), uno::UNO_QUERY);
if (!xCursor.is())
return;
xCursor->jumpToLastPage();
sal_Int16 nPages = xCursor->getPage();
for (sal_Int16 nPage = 1; nPage <= nPages; ++nPage)
{
Size aDocumentSizePixel = aRenderer.getDocumentSizeInPixels(nPage);
Graphic aGraphic = aRenderer.renderToGraphic(nPage, aDocumentSizePixel, aDocumentSizePixel, COL_WHITE);
const GDIMetaFile &rGDIMetaFile = aGraphic.GetGDIMetaFile();
SvMemoryStream aMemoryStream;
const_cast<GDIMetaFile &>(rGDIMetaFile).Write(aMemoryStream);
uno::Sequence<sal_Int8> aSequence(static_cast<const sal_Int8 *>(aMemoryStream.GetData()), aMemoryStream.Tell());
Size aLogic = aRenderer.getDocumentSizeIn100mm(nPage);
// Get the CSS pixel size of the page (mm100 -> pixel using 96 DPI, independent from system DPI).
Size aCss(static_cast<double>(aLogic.getWidth()) / 26.4583, static_cast<double>(aLogic.getHeight()) / 26.4583);
rPageMetafiles.emplace_back(aSequence, aCss);
}
}
void EPUBExportFilter::cancel()
{
}
void EPUBExportFilter::setSourceDocument(const uno::Reference<lang::XComponent> &xDocument)
{
mxSourceDocument = xDocument;
}
OUString EPUBExportFilter::getImplementationName()
{
return OUString("com.sun.star.comp.Writer.EPUBExportFilter");
}
sal_Bool EPUBExportFilter::supportsService(const OUString &rServiceName)
{
return cppu::supportsService(this, rServiceName);
}
uno::Sequence<OUString> EPUBExportFilter::getSupportedServiceNames()
{
uno::Sequence<OUString> aRet =
{
OUString("com.sun.star.document.ExportFilter")
};
return aRet;
}
extern "C" SAL_DLLPUBLIC_EXPORT uno::XInterface *SAL_CALL com_sun_star_comp_Writer_EPUBExportFilter_get_implementation(uno::XComponentContext *pContext, uno::Sequence<uno::Any> const &)
{
return cppu::acquire(new EPUBExportFilter(pContext));
}
} // namespace writerperfect
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
