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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include <com/sun/star/io/XOutputStream.hpp>
22 :
23 : #include <tools/debug.hxx>
24 :
25 : #include <sax/tools/converter.hxx>
26 :
27 : #include <xmloff/xmltkmap.hxx>
28 : #include <xmloff/xmluconv.hxx>
29 : #include "xmloff/xmlnmspe.hxx"
30 : #include <xmloff/xmltoken.hxx>
31 : #include <xmloff/xmlimp.hxx>
32 : #include <xmloff/nmspmap.hxx>
33 : #include <xmloff/XMLBase64ImportContext.hxx>
34 : #include "XMLBackgroundImageContext.hxx"
35 :
36 : using ::rtl::OUString;
37 : using ::rtl::OUStringBuffer;
38 :
39 : using namespace ::com::sun::star;
40 : using namespace ::com::sun::star::uno;
41 : using namespace ::com::sun::star::style;
42 : using namespace ::com::sun::star::io;
43 : using namespace ::xmloff::token;
44 :
45 : enum SvXMLTokenMapAttrs
46 : {
47 : XML_TOK_BGIMG_HREF,
48 : XML_TOK_BGIMG_TYPE,
49 : XML_TOK_BGIMG_ACTUATE,
50 : XML_TOK_BGIMG_SHOW,
51 : XML_TOK_BGIMG_POSITION,
52 : XML_TOK_BGIMG_REPEAT,
53 : XML_TOK_BGIMG_FILTER,
54 : XML_TOK_BGIMG_OPACITY,
55 : XML_TOK_NGIMG_END=XML_TOK_UNKNOWN
56 : };
57 47 : static const SvXMLTokenMapEntry* lcl_getBGImgAttributesAttrTokenMap()
58 : {
59 : static SvXMLTokenMapEntry aBGImgAttributesAttrTokenMap[] =
60 : {
61 : { XML_NAMESPACE_XLINK, XML_HREF, XML_TOK_BGIMG_HREF },
62 : { XML_NAMESPACE_XLINK, XML_TYPE, XML_TOK_BGIMG_TYPE },
63 : { XML_NAMESPACE_XLINK, XML_ACTUATE, XML_TOK_BGIMG_ACTUATE },
64 : { XML_NAMESPACE_XLINK, XML_SHOW, XML_TOK_BGIMG_SHOW },
65 : { XML_NAMESPACE_STYLE, XML_POSITION, XML_TOK_BGIMG_POSITION },
66 : { XML_NAMESPACE_STYLE, XML_REPEAT, XML_TOK_BGIMG_REPEAT },
67 : { XML_NAMESPACE_STYLE, XML_FILTER_NAME, XML_TOK_BGIMG_FILTER },
68 : { XML_NAMESPACE_DRAW, XML_OPACITY, XML_TOK_BGIMG_OPACITY },
69 : XML_TOKEN_MAP_END
70 : };
71 47 : return aBGImgAttributesAttrTokenMap;
72 : }
73 :
74 :
75 :
76 : static SvXMLEnumMapEntry psXML_BrushHoriPos[] =
77 : {
78 : { XML_LEFT, GraphicLocation_LEFT_MIDDLE },
79 : { XML_RIGHT, GraphicLocation_RIGHT_MIDDLE },
80 : { XML_TOKEN_INVALID, 0 }
81 : };
82 :
83 : static SvXMLEnumMapEntry psXML_BrushVertPos[] =
84 : {
85 : { XML_TOP, GraphicLocation_MIDDLE_TOP },
86 : { XML_BOTTOM, GraphicLocation_MIDDLE_BOTTOM },
87 : { XML_TOKEN_INVALID, 0 }
88 : };
89 :
90 0 : static void lcl_xmlbic_MergeHoriPos( GraphicLocation& ePos,
91 : GraphicLocation eHori )
92 : {
93 : DBG_ASSERT( GraphicLocation_LEFT_MIDDLE==eHori ||
94 : GraphicLocation_MIDDLE_MIDDLE==eHori ||
95 : GraphicLocation_RIGHT_MIDDLE==eHori,
96 : "lcl_xmlbic_MergeHoriPos: vertical pos must be middle" );
97 :
98 0 : switch( ePos )
99 : {
100 : case GraphicLocation_LEFT_TOP:
101 : case GraphicLocation_MIDDLE_TOP:
102 : case GraphicLocation_RIGHT_TOP:
103 : ePos = GraphicLocation_LEFT_MIDDLE==eHori
104 : ? GraphicLocation_LEFT_TOP
105 : : (GraphicLocation_MIDDLE_MIDDLE==eHori
106 : ? GraphicLocation_MIDDLE_TOP
107 0 : : GraphicLocation_RIGHT_TOP);
108 0 : break;
109 :
110 : case GraphicLocation_LEFT_MIDDLE:
111 : case GraphicLocation_MIDDLE_MIDDLE:
112 : case GraphicLocation_RIGHT_MIDDLE:
113 0 : ePos = eHori;
114 0 : break;
115 :
116 : case GraphicLocation_LEFT_BOTTOM:
117 : case GraphicLocation_MIDDLE_BOTTOM:
118 : case GraphicLocation_RIGHT_BOTTOM:
119 : ePos = GraphicLocation_LEFT_MIDDLE==eHori
120 : ? GraphicLocation_LEFT_BOTTOM
121 : : (GraphicLocation_MIDDLE_MIDDLE==eHori
122 : ? GraphicLocation_MIDDLE_BOTTOM
123 0 : : GraphicLocation_RIGHT_BOTTOM);
124 0 : break;
125 : default:
126 0 : break;
127 : }
128 0 : }
129 :
130 0 : static void lcl_xmlbic_MergeVertPos( GraphicLocation& ePos,
131 : GraphicLocation eVert )
132 : {
133 : DBG_ASSERT( GraphicLocation_MIDDLE_TOP==eVert ||
134 : GraphicLocation_MIDDLE_MIDDLE==eVert ||
135 : GraphicLocation_MIDDLE_BOTTOM==eVert,
136 : "lcl_xmlbic_MergeVertPos: horizontal pos must be middle" );
137 :
138 0 : switch( ePos )
139 : {
140 : case GraphicLocation_LEFT_TOP:
141 : case GraphicLocation_LEFT_MIDDLE:
142 : case GraphicLocation_LEFT_BOTTOM:
143 : ePos = GraphicLocation_MIDDLE_TOP==eVert
144 : ? GraphicLocation_LEFT_TOP
145 : : (GraphicLocation_MIDDLE_MIDDLE==eVert
146 : ? GraphicLocation_LEFT_MIDDLE
147 0 : : GraphicLocation_LEFT_BOTTOM);
148 0 : break;
149 :
150 : case GraphicLocation_MIDDLE_TOP:
151 : case GraphicLocation_MIDDLE_MIDDLE:
152 : case GraphicLocation_MIDDLE_BOTTOM:
153 0 : ePos = eVert;
154 0 : break;
155 :
156 : case GraphicLocation_RIGHT_TOP:
157 : case GraphicLocation_RIGHT_MIDDLE:
158 : case GraphicLocation_RIGHT_BOTTOM:
159 : ePos = GraphicLocation_MIDDLE_TOP==eVert
160 : ? GraphicLocation_RIGHT_TOP
161 : : (GraphicLocation_MIDDLE_MIDDLE==eVert
162 : ? GraphicLocation_RIGHT_MIDDLE
163 0 : : GraphicLocation_RIGHT_BOTTOM);
164 0 : break;
165 : default:
166 0 : break;
167 : }
168 0 : }
169 :
170 0 : TYPEINIT1( XMLBackgroundImageContext, XMLElementPropertyContext );
171 :
172 47 : void XMLBackgroundImageContext::ProcessAttrs(
173 : const Reference< xml::sax::XAttributeList >& xAttrList )
174 : {
175 47 : SvXMLTokenMap aTokenMap( lcl_getBGImgAttributesAttrTokenMap() );
176 :
177 47 : ePos = GraphicLocation_NONE;
178 :
179 47 : sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
180 47 : for( sal_Int16 i=0; i < nAttrCount; i++ )
181 : {
182 0 : const OUString& rAttrName = xAttrList->getNameByIndex( i );
183 0 : OUString aLocalName;
184 : sal_uInt16 nPrefix =
185 0 : GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
186 0 : &aLocalName );
187 0 : const OUString& rValue = xAttrList->getValueByIndex( i );
188 :
189 0 : switch( aTokenMap.Get( nPrefix, aLocalName ) )
190 : {
191 : case XML_TOK_BGIMG_HREF:
192 0 : sURL = rValue;
193 0 : if( GraphicLocation_NONE == ePos )
194 0 : ePos = GraphicLocation_TILED;
195 0 : break;
196 : case XML_TOK_BGIMG_TYPE:
197 : case XML_TOK_BGIMG_ACTUATE:
198 : case XML_TOK_BGIMG_SHOW:
199 0 : break;
200 : case XML_TOK_BGIMG_POSITION:
201 : {
202 0 : GraphicLocation eNewPos = GraphicLocation_NONE, eTmp;
203 : sal_uInt16 nTmp;
204 0 : SvXMLTokenEnumerator aTokenEnum( rValue );
205 0 : OUString aToken;
206 0 : sal_Bool bHori = sal_False, bVert = sal_False;
207 0 : sal_Bool bOK = sal_True;
208 0 : while( bOK && aTokenEnum.getNextToken( aToken ) )
209 : {
210 0 : if( bHori && bVert )
211 : {
212 0 : bOK = sal_False;
213 : }
214 0 : else if( -1 != aToken.indexOf( sal_Unicode('%') ) )
215 : {
216 0 : sal_Int32 nPrc = 50;
217 0 : if (::sax::Converter::convertPercent( nPrc, aToken ))
218 : {
219 0 : if( !bHori )
220 : {
221 : eNewPos = nPrc < 25
222 : ? GraphicLocation_LEFT_TOP
223 : : (nPrc < 75 ? GraphicLocation_MIDDLE_MIDDLE
224 0 : : GraphicLocation_RIGHT_BOTTOM);
225 0 : bHori = sal_True;
226 : }
227 : else
228 : {
229 : eTmp = nPrc < 25
230 : ? GraphicLocation_LEFT_TOP
231 : : (nPrc < 75 ? GraphicLocation_LEFT_MIDDLE
232 0 : : GraphicLocation_LEFT_BOTTOM);
233 0 : lcl_xmlbic_MergeVertPos( eNewPos, eTmp );
234 0 : bVert = sal_True;
235 : }
236 : }
237 : else
238 : {
239 : // wrong percentage
240 0 : bOK = sal_False;
241 : }
242 : }
243 0 : else if( IsXMLToken( aToken, XML_CENTER ) )
244 : {
245 0 : if( bHori )
246 : lcl_xmlbic_MergeVertPos( eNewPos,
247 0 : GraphicLocation_MIDDLE_MIDDLE );
248 0 : else if ( bVert )
249 : lcl_xmlbic_MergeHoriPos( eNewPos,
250 0 : GraphicLocation_MIDDLE_MIDDLE );
251 : else
252 0 : eNewPos = GraphicLocation_MIDDLE_MIDDLE;
253 : }
254 0 : else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
255 0 : psXML_BrushHoriPos ) )
256 : {
257 0 : if( bVert )
258 : lcl_xmlbic_MergeHoriPos( eNewPos,
259 0 : (GraphicLocation)nTmp );
260 0 : else if( !bHori )
261 0 : eNewPos = (GraphicLocation)nTmp;
262 : else
263 0 : bOK = sal_False;
264 0 : bHori = sal_True;
265 : }
266 0 : else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
267 0 : psXML_BrushVertPos ) )
268 : {
269 0 : if( bHori )
270 : lcl_xmlbic_MergeVertPos( eNewPos,
271 0 : (GraphicLocation)nTmp );
272 0 : else if( !bVert )
273 0 : eNewPos = (GraphicLocation)nTmp;
274 : else
275 0 : bOK = sal_False;
276 0 : bVert = sal_True;
277 : }
278 : else
279 : {
280 0 : bOK = sal_False;
281 : }
282 : }
283 :
284 0 : bOK &= GraphicLocation_NONE != eNewPos;
285 0 : if( bOK )
286 0 : ePos = eNewPos;
287 : }
288 0 : break;
289 : case XML_TOK_BGIMG_REPEAT:
290 : {
291 0 : sal_uInt16 nPos = GraphicLocation_NONE;
292 : static SvXMLEnumMapEntry psXML_BrushRepeat[] =
293 : {
294 : { XML_BACKGROUND_REPEAT, GraphicLocation_TILED },
295 : { XML_BACKGROUND_NO_REPEAT, GraphicLocation_MIDDLE_MIDDLE },
296 : { XML_BACKGROUND_STRETCH, GraphicLocation_AREA },
297 : { XML_TOKEN_INVALID, 0 }
298 : };
299 0 : if( SvXMLUnitConverter::convertEnum( nPos, rValue,
300 0 : psXML_BrushRepeat ) )
301 : {
302 0 : if( GraphicLocation_MIDDLE_MIDDLE != nPos ||
303 : GraphicLocation_NONE == ePos ||
304 : GraphicLocation_AREA == ePos ||
305 : GraphicLocation_TILED == ePos )
306 0 : ePos = (GraphicLocation)nPos;
307 : }
308 : }
309 0 : break;
310 : case XML_TOK_BGIMG_FILTER:
311 0 : sFilter = rValue;
312 0 : break;
313 : case XML_TOK_BGIMG_OPACITY:
314 : {
315 : sal_Int32 nTmp;
316 : // convert from percent and clip
317 0 : if (::sax::Converter::convertPercent( nTmp, rValue ))
318 : {
319 0 : if( (nTmp >= 0) && (nTmp <= 100) )
320 0 : nTransparency = static_cast<sal_Int8>( 100-nTmp );
321 : }
322 : }
323 0 : break;
324 : }
325 47 : }
326 :
327 47 : }
328 :
329 47 : XMLBackgroundImageContext::XMLBackgroundImageContext(
330 : SvXMLImport& rImport, sal_uInt16 nPrfx,
331 : const OUString& rLName,
332 : const Reference< xml::sax::XAttributeList > & xAttrList,
333 : const XMLPropertyState& rProp,
334 : sal_Int32 nPosIdx,
335 : sal_Int32 nFilterIdx,
336 : sal_Int32 nTransparencyIdx,
337 : ::std::vector< XMLPropertyState > &rProps ) :
338 : XMLElementPropertyContext( rImport, nPrfx, rLName, rProp, rProps ),
339 : aPosProp( nPosIdx ),
340 : aFilterProp( nFilterIdx ),
341 : aTransparencyProp( nTransparencyIdx ),
342 47 : nTransparency( 0 )
343 : {
344 47 : ProcessAttrs( xAttrList );
345 47 : }
346 :
347 94 : XMLBackgroundImageContext::~XMLBackgroundImageContext()
348 : {
349 94 : }
350 :
351 0 : SvXMLImportContext *XMLBackgroundImageContext::CreateChildContext(
352 : sal_uInt16 nPrefix, const OUString& rLocalName,
353 : const Reference< xml::sax::XAttributeList > & xAttrList )
354 : {
355 0 : SvXMLImportContext *pContext = NULL;
356 0 : if( (XML_NAMESPACE_OFFICE == nPrefix) &&
357 : xmloff::token::IsXMLToken( rLocalName,
358 0 : xmloff::token::XML_BINARY_DATA ) )
359 : {
360 0 : if( sURL.isEmpty() && !xBase64Stream.is() )
361 : {
362 0 : xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
363 0 : if( xBase64Stream.is() )
364 0 : pContext = new XMLBase64ImportContext( GetImport(), nPrefix,
365 : rLocalName, xAttrList,
366 0 : xBase64Stream );
367 : }
368 : }
369 0 : if( !pContext )
370 : {
371 0 : pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
372 : }
373 :
374 0 : return pContext;
375 : }
376 :
377 47 : void XMLBackgroundImageContext::EndElement()
378 : {
379 47 : if( !sURL.isEmpty() )
380 : {
381 0 : sURL = GetImport().ResolveGraphicObjectURL( sURL, sal_False );
382 : }
383 47 : else if( xBase64Stream.is() )
384 : {
385 0 : sURL = GetImport().ResolveGraphicObjectURLFromBase64( xBase64Stream );
386 0 : xBase64Stream = 0;
387 : }
388 :
389 47 : if( sURL.isEmpty() )
390 47 : ePos = GraphicLocation_NONE;
391 0 : else if( GraphicLocation_NONE == ePos )
392 0 : ePos = GraphicLocation_TILED;
393 :
394 47 : aProp.maValue <<= sURL;
395 47 : aPosProp.maValue <<= ePos;
396 47 : aFilterProp.maValue <<= sFilter;
397 47 : aTransparencyProp.maValue <<= nTransparency;
398 :
399 47 : SetInsert( sal_True );
400 47 : XMLElementPropertyContext::EndElement();
401 :
402 47 : if( -1 != aPosProp.mnIndex )
403 47 : rProperties.push_back( aPosProp );
404 47 : if( -1 != aFilterProp.mnIndex )
405 47 : rProperties.push_back( aFilterProp );
406 47 : if( -1 != aTransparencyProp.mnIndex )
407 0 : rProperties.push_back( aTransparencyProp );
408 47 : }
409 :
410 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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