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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