xref: /AOO41X/main/xmloff/source/style/XMLBackgroundImageContext.cxx (revision 63bba73cc51e0afb45f8a8d578158724bb5afee8)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_xmloff.hxx"
26 #include <tools/debug.hxx>
27 #include <com/sun/star/io/XOutputStream.hpp>
28 #include <xmloff/xmltkmap.hxx>
29 #include <xmloff/xmluconv.hxx>
30 #include "xmloff/xmlnmspe.hxx"
31 #include <xmloff/xmltoken.hxx>
32 #include <xmloff/xmlimp.hxx>
33 #include <xmloff/nmspmap.hxx>
34 #include <xmloff/XMLBase64ImportContext.hxx>
35 #include "XMLBackgroundImageContext.hxx"
36 
37 using ::rtl::OUString;
38 using ::rtl::OUStringBuffer;
39 
40 using namespace ::com::sun::star;
41 using namespace ::com::sun::star::uno;
42 using namespace ::com::sun::star::style;
43 using namespace ::com::sun::star::io;
44 using namespace ::xmloff::token;
45 
46 enum SvXMLTokenMapAttrs
47 {
48     XML_TOK_BGIMG_HREF,
49     XML_TOK_BGIMG_TYPE,
50     XML_TOK_BGIMG_ACTUATE,
51     XML_TOK_BGIMG_SHOW,
52     XML_TOK_BGIMG_POSITION,
53     XML_TOK_BGIMG_REPEAT,
54     XML_TOK_BGIMG_FILTER,
55     XML_TOK_BGIMG_OPACITY,
56     XML_TOK_NGIMG_END=XML_TOK_UNKNOWN
57 };
lcl_getBGImgAttributesAttrTokenMap()58 const SvXMLTokenMapEntry* lcl_getBGImgAttributesAttrTokenMap()
59 {
60     static __FAR_DATA SvXMLTokenMapEntry aBGImgAttributesAttrTokenMap[] =
61     {
62         { XML_NAMESPACE_XLINK, XML_HREF,        XML_TOK_BGIMG_HREF      },
63         { XML_NAMESPACE_XLINK, XML_TYPE,        XML_TOK_BGIMG_TYPE      },
64         { XML_NAMESPACE_XLINK, XML_ACTUATE,     XML_TOK_BGIMG_ACTUATE   },
65         { XML_NAMESPACE_XLINK, XML_SHOW,        XML_TOK_BGIMG_SHOW      },
66         { XML_NAMESPACE_STYLE, XML_POSITION,    XML_TOK_BGIMG_POSITION  },
67         { XML_NAMESPACE_STYLE, XML_REPEAT,      XML_TOK_BGIMG_REPEAT    },
68         { XML_NAMESPACE_STYLE, XML_FILTER_NAME, XML_TOK_BGIMG_FILTER    },
69         { XML_NAMESPACE_DRAW,  XML_OPACITY,     XML_TOK_BGIMG_OPACITY   },
70         XML_TOKEN_MAP_END
71     };
72     return aBGImgAttributesAttrTokenMap;
73 }
74 
75 
76 
77 SvXMLEnumMapEntry psXML_BrushHoriPos[] =
78 {
79     { XML_LEFT,         GraphicLocation_LEFT_MIDDLE },
80     { XML_RIGHT,        GraphicLocation_RIGHT_MIDDLE    },
81     { XML_TOKEN_INVALID,                    0           }
82 };
83 
84 SvXMLEnumMapEntry psXML_BrushVertPos[] =
85 {
86     { XML_TOP,          GraphicLocation_MIDDLE_TOP  },
87     { XML_BOTTOM,       GraphicLocation_MIDDLE_BOTTOM   },
88     { XML_TOKEN_INVALID,                    0           }
89 };
90 
lcl_xmlbic_MergeHoriPos(GraphicLocation & ePos,GraphicLocation eHori)91 void lcl_xmlbic_MergeHoriPos( GraphicLocation& ePos,
92                                    GraphicLocation eHori )
93 {
94     DBG_ASSERT( GraphicLocation_LEFT_MIDDLE==eHori ||
95                 GraphicLocation_MIDDLE_MIDDLE==eHori ||
96                 GraphicLocation_RIGHT_MIDDLE==eHori,
97                 "lcl_xmlbic_MergeHoriPos: vertical pos must be middle" );
98 
99     switch( ePos )
100     {
101     case GraphicLocation_LEFT_TOP:
102     case GraphicLocation_MIDDLE_TOP:
103     case GraphicLocation_RIGHT_TOP:
104         ePos = GraphicLocation_LEFT_MIDDLE==eHori
105                 ? GraphicLocation_LEFT_TOP
106                 : (GraphicLocation_MIDDLE_MIDDLE==eHori
107                         ? GraphicLocation_MIDDLE_TOP
108                         : GraphicLocation_RIGHT_TOP);
109         break;
110 
111     case GraphicLocation_LEFT_MIDDLE:
112     case GraphicLocation_MIDDLE_MIDDLE:
113     case GraphicLocation_RIGHT_MIDDLE:
114         ePos = eHori;
115         break;
116 
117     case GraphicLocation_LEFT_BOTTOM:
118     case GraphicLocation_MIDDLE_BOTTOM:
119     case GraphicLocation_RIGHT_BOTTOM:
120         ePos = GraphicLocation_LEFT_MIDDLE==eHori
121                 ? GraphicLocation_LEFT_BOTTOM
122                 : (GraphicLocation_MIDDLE_MIDDLE==eHori
123                         ? GraphicLocation_MIDDLE_BOTTOM
124                         : GraphicLocation_RIGHT_BOTTOM);
125         break;
126     default:
127         break;
128     }
129 }
130 
lcl_xmlbic_MergeVertPos(GraphicLocation & ePos,GraphicLocation eVert)131 void lcl_xmlbic_MergeVertPos( GraphicLocation& ePos,
132                                               GraphicLocation eVert )
133 {
134     DBG_ASSERT( GraphicLocation_MIDDLE_TOP==eVert ||
135                 GraphicLocation_MIDDLE_MIDDLE==eVert ||
136                 GraphicLocation_MIDDLE_BOTTOM==eVert,
137                 "lcl_xmlbic_MergeVertPos: horizontal pos must be middle" );
138 
139     switch( ePos )
140     {
141     case GraphicLocation_LEFT_TOP:
142     case GraphicLocation_LEFT_MIDDLE:
143     case GraphicLocation_LEFT_BOTTOM:
144         ePos = GraphicLocation_MIDDLE_TOP==eVert
145                 ? GraphicLocation_LEFT_TOP
146                 : (GraphicLocation_MIDDLE_MIDDLE==eVert
147                         ? GraphicLocation_LEFT_MIDDLE
148                         : GraphicLocation_LEFT_BOTTOM);
149         ePos = eVert;
150         break;
151 
152     case GraphicLocation_MIDDLE_TOP:
153     case GraphicLocation_MIDDLE_MIDDLE:
154     case GraphicLocation_MIDDLE_BOTTOM:
155         ePos = eVert;
156         break;
157 
158     case GraphicLocation_RIGHT_TOP:
159     case GraphicLocation_RIGHT_MIDDLE:
160     case GraphicLocation_RIGHT_BOTTOM:
161         ePos = GraphicLocation_MIDDLE_TOP==eVert
162                 ? GraphicLocation_RIGHT_TOP
163                 : (GraphicLocation_MIDDLE_MIDDLE==eVert
164                         ? GraphicLocation_RIGHT_MIDDLE
165                         : GraphicLocation_RIGHT_BOTTOM);
166         break;
167     default:
168         break;
169     }
170 }
171 
172 TYPEINIT1( XMLBackgroundImageContext, XMLElementPropertyContext );
173 
ProcessAttrs(const Reference<xml::sax::XAttributeList> & xAttrList)174 void XMLBackgroundImageContext::ProcessAttrs(
175         const Reference< xml::sax::XAttributeList >& xAttrList )
176 {
177     SvXMLTokenMap aTokenMap( lcl_getBGImgAttributesAttrTokenMap() );
178 
179     ePos = GraphicLocation_NONE;
180 
181     sal_Int16 nAttrCount = xAttrList.is() ? xAttrList->getLength() : 0;
182     for( sal_Int16 i=0; i < nAttrCount; i++ )
183     {
184         const OUString& rAttrName = xAttrList->getNameByIndex( i );
185         OUString aLocalName;
186         sal_uInt16 nPrefix =
187             GetImport().GetNamespaceMap().GetKeyByAttrName( rAttrName,
188                                                             &aLocalName );
189         const OUString& rValue = xAttrList->getValueByIndex( i );
190 
191         switch( aTokenMap.Get( nPrefix, aLocalName ) )
192         {
193         case XML_TOK_BGIMG_HREF:
194             sURL = rValue;
195             if( GraphicLocation_NONE == ePos )
196                 ePos = GraphicLocation_TILED;
197             break;
198         case XML_TOK_BGIMG_TYPE:
199         case XML_TOK_BGIMG_ACTUATE:
200         case XML_TOK_BGIMG_SHOW:
201             break;
202         case XML_TOK_BGIMG_POSITION:
203             {
204                 GraphicLocation eNewPos = GraphicLocation_NONE, eTmp;
205                 sal_uInt16 nTmp;
206                 SvXMLTokenEnumerator aTokenEnum( rValue );
207                 OUString aToken;
208                 sal_Bool bHori = sal_False, bVert = sal_False;
209                 sal_Bool bOK = sal_True;
210                 while( bOK && aTokenEnum.getNextToken( aToken ) )
211                 {
212                     if( bHori && bVert )
213                     {
214                         bOK = sal_False;
215                     }
216                     else if( -1 != aToken.indexOf( sal_Unicode('%') ) )
217                     {
218                         sal_Int32 nPrc = 50;
219                         if( SvXMLUnitConverter::convertPercent( nPrc, aToken ) )
220                         {
221                             if( !bHori )
222                             {
223                                 eNewPos = nPrc < 25
224                                     ? GraphicLocation_LEFT_TOP
225                                     : (nPrc < 75 ? GraphicLocation_MIDDLE_MIDDLE
226                                                 : GraphicLocation_RIGHT_BOTTOM);
227                                 bHori = sal_True;
228                             }
229                             else
230                             {
231                                 eTmp = nPrc < 25
232                                     ? GraphicLocation_LEFT_TOP
233                                     : (nPrc < 75 ? GraphicLocation_LEFT_MIDDLE
234                                                  : GraphicLocation_LEFT_BOTTOM);
235                                 lcl_xmlbic_MergeVertPos( eNewPos, eTmp );
236                                 bVert = sal_True;
237                             }
238                         }
239                         else
240                         {
241                             // wrong percentage
242                             bOK = sal_False;
243                         }
244                     }
245                     else if( IsXMLToken( aToken, XML_CENTER ) )
246                     {
247                         if( bHori )
248                             lcl_xmlbic_MergeVertPos( eNewPos,
249                                           GraphicLocation_MIDDLE_MIDDLE );
250                         else if ( bVert )
251                             lcl_xmlbic_MergeHoriPos( eNewPos,
252                                           GraphicLocation_MIDDLE_MIDDLE );
253                         else
254                             eNewPos = GraphicLocation_MIDDLE_MIDDLE;
255                     }
256                     else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
257                                                          psXML_BrushHoriPos ) )
258                     {
259                         if( bVert )
260                             lcl_xmlbic_MergeHoriPos( eNewPos,
261                                         (GraphicLocation)nTmp );
262                         else if( !bHori )
263                             eNewPos = (GraphicLocation)nTmp;
264                         else
265                             bOK = sal_False;
266                         bHori = sal_True;
267                     }
268                     else if( SvXMLUnitConverter::convertEnum( nTmp, aToken,
269                                                          psXML_BrushVertPos ) )
270                     {
271                         if( bHori )
272                             lcl_xmlbic_MergeVertPos( eNewPos,
273                                             (GraphicLocation)nTmp );
274                         else if( !bVert )
275                             eNewPos = (GraphicLocation)nTmp;
276                         else
277                             bOK = sal_False;
278                         bVert = sal_True;
279                     }
280                     else
281                     {
282                         bOK = sal_False;
283                     }
284                 }
285 
286                 bOK &= GraphicLocation_NONE != eNewPos;
287                 if( bOK )
288                     ePos = eNewPos;
289             }
290             break;
291         case XML_TOK_BGIMG_REPEAT:
292             {
293                 sal_uInt16 nPos = GraphicLocation_NONE;
294                 static SvXMLEnumMapEntry psXML_BrushRepeat[] =
295                 {
296                     { XML_BACKGROUND_REPEAT,        GraphicLocation_TILED   },
297                     { XML_BACKGROUND_NO_REPEAT,     GraphicLocation_MIDDLE_MIDDLE       },
298                     { XML_BACKGROUND_STRETCH,       GraphicLocation_AREA    },
299                     { XML_TOKEN_INVALID,            0           }
300                 };
301                 if( SvXMLUnitConverter::convertEnum( nPos, rValue,
302                                                 psXML_BrushRepeat ) )
303                 {
304                     if( GraphicLocation_MIDDLE_MIDDLE != nPos ||
305                         GraphicLocation_NONE == ePos ||
306                         GraphicLocation_AREA == ePos ||
307                         GraphicLocation_TILED == ePos )
308                         ePos = (GraphicLocation)nPos;
309                 }
310             }
311             break;
312         case XML_TOK_BGIMG_FILTER:
313             sFilter = rValue;
314             break;
315         case XML_TOK_BGIMG_OPACITY:
316             {
317                 sal_Int32 nTmp;
318                 // convert from percent and clip
319                 if( SvXMLUnitConverter::convertPercent( nTmp, rValue ) )
320                 {
321                     if( (nTmp >= 0) && (nTmp <= 100) )
322                         nTransparency = static_cast<sal_Int8>( 100-nTmp );
323                 }
324             }
325             break;
326         }
327     }
328 
329 }
330 
XMLBackgroundImageContext(SvXMLImport & rImport,sal_uInt16 nPrfx,const OUString & rLName,const Reference<xml::sax::XAttributeList> & xAttrList,const XMLPropertyState & rProp,sal_Int32 nPosIdx,sal_Int32 nFilterIdx,sal_Int32 nTransparencyIdx,::std::vector<XMLPropertyState> & rProps)331 XMLBackgroundImageContext::XMLBackgroundImageContext(
332         SvXMLImport& rImport, sal_uInt16 nPrfx,
333         const OUString& rLName,
334         const Reference< xml::sax::XAttributeList > & xAttrList,
335         const XMLPropertyState& rProp,
336         sal_Int32 nPosIdx,
337         sal_Int32 nFilterIdx,
338         sal_Int32 nTransparencyIdx,
339         ::std::vector< XMLPropertyState > &rProps ) :
340     XMLElementPropertyContext( rImport, nPrfx, rLName, rProp, rProps ),
341     aPosProp( nPosIdx ),
342     aFilterProp( nFilterIdx ),
343     aTransparencyProp( nTransparencyIdx ),
344     nTransparency( 0 )
345 {
346     ProcessAttrs( xAttrList );
347 }
348 
~XMLBackgroundImageContext()349 XMLBackgroundImageContext::~XMLBackgroundImageContext()
350 {
351 }
352 
CreateChildContext(sal_uInt16 nPrefix,const OUString & rLocalName,const Reference<xml::sax::XAttributeList> & xAttrList)353 SvXMLImportContext *XMLBackgroundImageContext::CreateChildContext(
354         sal_uInt16 nPrefix, const OUString& rLocalName,
355         const Reference< xml::sax::XAttributeList > & xAttrList )
356 {
357     SvXMLImportContext *pContext = NULL;
358     if( (XML_NAMESPACE_OFFICE == nPrefix) &&
359         xmloff::token::IsXMLToken( rLocalName,
360                                         xmloff::token::XML_BINARY_DATA ) )
361     {
362         if( !sURL.getLength() && !xBase64Stream.is() )
363         {
364             xBase64Stream = GetImport().GetStreamForGraphicObjectURLFromBase64();
365             if( xBase64Stream.is() )
366                 pContext = new XMLBase64ImportContext( GetImport(), nPrefix,
367                                                     rLocalName, xAttrList,
368                                                     xBase64Stream );
369         }
370     }
371     if( !pContext )
372     {
373         pContext = new SvXMLImportContext( GetImport(), nPrefix, rLocalName );
374     }
375 
376     return pContext;
377 }
378 
EndElement()379 void XMLBackgroundImageContext::EndElement()
380 {
381     if( sURL.getLength() )
382     {
383         sURL = GetImport().ResolveGraphicObjectURL( sURL, sal_False );
384     }
385     else if( xBase64Stream.is() )
386     {
387         sURL = GetImport().ResolveGraphicObjectURLFromBase64( xBase64Stream );
388         xBase64Stream = 0;
389     }
390 
391     if( !sURL.getLength() )
392         ePos = GraphicLocation_NONE;
393     else if( GraphicLocation_NONE == ePos )
394         ePos = GraphicLocation_TILED;
395 
396     aProp.maValue <<= sURL;
397     aPosProp.maValue <<= ePos;
398     aFilterProp.maValue <<= sFilter;
399     aTransparencyProp.maValue <<= nTransparency;
400 
401     SetInsert( sal_True );
402     XMLElementPropertyContext::EndElement();
403 
404     if( -1 != aPosProp.mnIndex )
405         rProperties.push_back( aPosProp );
406     if( -1 != aFilterProp.mnIndex )
407         rProperties.push_back( aFilterProp );
408     if( -1 != aTransparencyProp.mnIndex )
409         rProperties.push_back( aTransparencyProp );
410 }
411