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