Line data Source code
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 "pdfiprocessor.hxx"
22 : #include "xmlemitter.hxx"
23 : #include "pdfihelper.hxx"
24 : #include "imagecontainer.hxx"
25 : #include "style.hxx"
26 : #include "writertreevisiting.hxx"
27 : #include "genericelements.hxx"
28 :
29 : #include "basegfx/polygon/b2dpolypolygontools.hxx"
30 : #include "basegfx/range/b2drange.hxx"
31 : #include <osl/diagnose.h>
32 :
33 : using namespace ::com::sun::star;
34 :
35 : namespace pdfi
36 : {
37 :
38 0 : void WriterXmlEmitter::visit( HyperlinkElement& elem, const std::list< Element* >::const_iterator& )
39 : {
40 0 : if( elem.Children.empty() )
41 0 : return;
42 :
43 0 : const char* pType = dynamic_cast<DrawElement*>(elem.Children.front()) ? "draw:a" : "text:a";
44 :
45 0 : PropertyMap aProps;
46 0 : aProps[ "xlink:type" ] = "simple";
47 0 : aProps[ "xlink:href" ] = elem.URI;
48 0 : aProps[ "office:target-frame-name" ] = "_blank";
49 0 : aProps[ "xlink:show" ] = "new";
50 :
51 0 : m_rEmitContext.rEmitter.beginTag( pType, aProps );
52 0 : std::list< Element* >::iterator this_it = elem.Children.begin();
53 0 : while( this_it !=elem.Children.end() && *this_it != &elem )
54 : {
55 0 : (*this_it)->visitedBy( *this, this_it );
56 0 : ++this_it;
57 : }
58 0 : m_rEmitContext.rEmitter.endTag( pType );
59 : }
60 :
61 208 : void WriterXmlEmitter::visit( TextElement& elem, const std::list< Element* >::const_iterator& )
62 : {
63 208 : if( elem.Text.isEmpty() )
64 312 : return;
65 :
66 104 : PropertyMap aProps;
67 104 : if( elem.StyleId != -1 )
68 : {
69 208 : aProps[ OUString( "text:style-name" ) ] =
70 104 : m_rEmitContext.rStyles.getStyleName( elem.StyleId );
71 : }
72 :
73 104 : m_rEmitContext.rEmitter.beginTag( "text:span", aProps );
74 104 : m_rEmitContext.rEmitter.write( elem.Text.makeStringAndClear() );
75 104 : std::list< Element* >::iterator this_it = elem.Children.begin();
76 208 : while( this_it !=elem.Children.end() && *this_it != &elem )
77 : {
78 0 : (*this_it)->visitedBy( *this, this_it );
79 0 : ++this_it;
80 : }
81 :
82 104 : m_rEmitContext.rEmitter.endTag( "text:span" );
83 : }
84 :
85 23 : void WriterXmlEmitter::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& )
86 : {
87 23 : PropertyMap aProps;
88 23 : if( elem.StyleId != -1 )
89 : {
90 1 : aProps[ "text:style-name" ] = m_rEmitContext.rStyles.getStyleName( elem.StyleId );
91 : }
92 23 : const char* pTagType = "text:p";
93 23 : if( elem.Type == elem.Headline )
94 0 : pTagType = "text:h";
95 23 : m_rEmitContext.rEmitter.beginTag( pTagType, aProps );
96 :
97 23 : std::list< Element* >::iterator this_it = elem.Children.begin();
98 254 : while( this_it !=elem.Children.end() && *this_it != &elem )
99 : {
100 208 : (*this_it)->visitedBy( *this, this_it );
101 208 : ++this_it;
102 : }
103 :
104 23 : m_rEmitContext.rEmitter.endTag( pTagType );
105 23 : }
106 :
107 30 : void WriterXmlEmitter::fillFrameProps( DrawElement& rElem,
108 : PropertyMap& rProps,
109 : const EmitContext& rEmitContext )
110 : {
111 30 : double rel_x = rElem.x, rel_y = rElem.y;
112 :
113 : // find anchor type by recursing though parents
114 30 : Element* pAnchor = rElem.Parent;
115 90 : while( pAnchor &&
116 90 : ! dynamic_cast<ParagraphElement*>(pAnchor) &&
117 60 : ! dynamic_cast<PageElement*>(pAnchor) )
118 : {
119 0 : pAnchor = pAnchor->Parent;
120 : }
121 30 : if( pAnchor )
122 : {
123 30 : if( dynamic_cast<ParagraphElement*>(pAnchor) )
124 : {
125 0 : rProps[ "text:anchor-type" ] = rElem.isCharacter
126 0 : ? OUString("character") : OUString("paragraph");
127 : }
128 : else
129 : {
130 30 : PageElement* pPage = dynamic_cast<PageElement*>(pAnchor);
131 30 : rProps[ "text:anchor-type" ] = "page";
132 30 : rProps[ "text:anchor-page-number" ] = OUString::number(pPage->PageNumber);
133 : }
134 30 : rel_x -= pAnchor->x;
135 30 : rel_y -= pAnchor->y;
136 : }
137 :
138 30 : rProps[ "draw:z-index" ] = OUString::number( rElem.ZOrder );
139 30 : rProps[ "draw:style-name"] = rEmitContext.rStyles.getStyleName( rElem.StyleId );
140 30 : rProps[ "svg:width" ] = convertPixelToUnitString( rElem.w );
141 30 : rProps[ "svg:height" ] = convertPixelToUnitString( rElem.h );
142 :
143 : const GraphicsContext& rGC =
144 30 : rEmitContext.rProcessor.getGraphicsContext( rElem.GCId );
145 30 : if( rGC.Transformation.isIdentity() )
146 : {
147 0 : if( !rElem.isCharacter )
148 : {
149 0 : rProps[ "svg:x" ] = convertPixelToUnitString( rel_x );
150 0 : rProps[ "svg:y" ] = convertPixelToUnitString( rel_y );
151 : }
152 : }
153 : else
154 : {
155 60 : basegfx::B2DTuple aScale, aTranslation;
156 : double fRotate, fShearX;
157 :
158 30 : rGC.Transformation.decompose( aScale, aTranslation, fRotate, fShearX );
159 :
160 60 : OUStringBuffer aBuf( 256 );
161 :
162 : // TODO(F2): general transformation case missing; if implemented, note
163 : // that ODF rotation is oriented the other way
164 :
165 : // build transformation string
166 30 : if( fShearX != 0.0 )
167 : {
168 0 : aBuf.appendAscii( "skewX( " );
169 0 : aBuf.append( fShearX );
170 0 : aBuf.appendAscii( " )" );
171 : }
172 30 : if( fRotate != 0.0 )
173 : {
174 0 : if( !aBuf.isEmpty() )
175 0 : aBuf.append( ' ' );
176 0 : aBuf.appendAscii( "rotate( " );
177 0 : aBuf.append( -fRotate );
178 0 : aBuf.appendAscii( " )" );
179 :
180 : }
181 30 : if( ! rElem.isCharacter )
182 : {
183 30 : if( !aBuf.isEmpty() )
184 0 : aBuf.append( ' ' );
185 30 : aBuf.appendAscii( "translate( " );
186 30 : aBuf.append( convertPixelToUnitString( rel_x ) );
187 30 : aBuf.append( ' ' );
188 30 : aBuf.append( convertPixelToUnitString( rel_y ) );
189 30 : aBuf.appendAscii( " )" );
190 : }
191 :
192 60 : rProps[ "draw:transform" ] = aBuf.makeStringAndClear();
193 : }
194 30 : }
195 :
196 24 : void WriterXmlEmitter::visit( FrameElement& elem, const std::list< Element* >::const_iterator& )
197 : {
198 24 : if( elem.Children.empty() )
199 24 : return;
200 :
201 24 : bool bTextBox = (dynamic_cast<ParagraphElement*>(elem.Children.front()) != NULL);
202 24 : PropertyMap aFrameProps;
203 24 : fillFrameProps( elem, aFrameProps, m_rEmitContext );
204 24 : m_rEmitContext.rEmitter.beginTag( "draw:frame", aFrameProps );
205 24 : if( bTextBox )
206 22 : m_rEmitContext.rEmitter.beginTag( "draw:text-box", PropertyMap() );
207 :
208 24 : std::list< Element* >::iterator this_it = elem.Children.begin();
209 72 : while( this_it !=elem.Children.end() && *this_it != &elem )
210 : {
211 24 : (*this_it)->visitedBy( *this, this_it );
212 24 : ++this_it;
213 : }
214 :
215 24 : if( bTextBox )
216 22 : m_rEmitContext.rEmitter.endTag( "draw:text-box" );
217 24 : m_rEmitContext.rEmitter.endTag( "draw:frame" );
218 : }
219 :
220 6 : void WriterXmlEmitter::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
221 : {
222 6 : elem.updateGeometry();
223 : /* note:
224 : * aw recommends using 100dth of mm in all respects since the xml import
225 : * (a) is buggy (see issue 37213)
226 : * (b) is optimized for 100dth of mm and does not scale itself then,
227 : * this does not gain us speed but makes for smaller rounding errors since
228 : * the xml importer coordinates are integer based
229 : */
230 12 : for (sal_uInt32 i = 0; i< elem.PolyPoly.count(); i++)
231 : {
232 6 : basegfx::B2DPolygon b2dPolygon;
233 6 : b2dPolygon = elem.PolyPoly.getB2DPolygon( i );
234 :
235 24 : for ( sal_uInt32 j = 0; j< b2dPolygon.count(); j++ )
236 : {
237 18 : basegfx::B2DPoint point;
238 36 : basegfx::B2DPoint nextPoint;
239 18 : point = b2dPolygon.getB2DPoint( j );
240 :
241 36 : basegfx::B2DPoint prevPoint;
242 18 : prevPoint = b2dPolygon.getPrevControlPoint( j ) ;
243 :
244 18 : point.setX( convPx2mmPrec2( point.getX() )*100.0 );
245 18 : point.setY( convPx2mmPrec2( point.getY() )*100.0 );
246 :
247 18 : if ( b2dPolygon.isPrevControlPointUsed( j ) )
248 : {
249 8 : prevPoint.setX( convPx2mmPrec2( prevPoint.getX() )*100.0 );
250 8 : prevPoint.setY( convPx2mmPrec2( prevPoint.getY() )*100.0 );
251 : }
252 :
253 18 : if ( b2dPolygon.isNextControlPointUsed( j ) )
254 : {
255 8 : nextPoint = b2dPolygon.getNextControlPoint( j ) ;
256 8 : nextPoint.setX( convPx2mmPrec2( nextPoint.getX() )*100.0 );
257 8 : nextPoint.setY( convPx2mmPrec2( nextPoint.getY() )*100.0 );
258 : }
259 :
260 18 : b2dPolygon.setB2DPoint( j, point );
261 :
262 18 : if ( b2dPolygon.isPrevControlPointUsed( j ) )
263 8 : b2dPolygon.setPrevControlPoint( j , prevPoint ) ;
264 :
265 18 : if ( b2dPolygon.isNextControlPointUsed( j ) )
266 8 : b2dPolygon.setNextControlPoint( j , nextPoint ) ;
267 18 : }
268 :
269 6 : elem.PolyPoly.setB2DPolygon( i, b2dPolygon );
270 6 : }
271 :
272 6 : PropertyMap aProps;
273 6 : fillFrameProps( elem, aProps, m_rEmitContext );
274 12 : OUStringBuffer aBuf( 64 );
275 6 : aBuf.appendAscii( "0 0 " );
276 6 : aBuf.append( convPx2mmPrec2(elem.w)*100.0 );
277 6 : aBuf.append( ' ' );
278 6 : aBuf.append( convPx2mmPrec2(elem.h)*100.0 );
279 6 : aProps[ "svg:viewBox" ] = aBuf.makeStringAndClear();
280 6 : aProps[ "svg:d" ] = basegfx::tools::exportToSvgD( elem.PolyPoly, true, true, false );
281 :
282 6 : m_rEmitContext.rEmitter.beginTag( "draw:path", aProps );
283 12 : m_rEmitContext.rEmitter.endTag( "draw:path" );
284 6 : }
285 :
286 2 : void WriterXmlEmitter::visit( ImageElement& elem, const std::list< Element* >::const_iterator& )
287 : {
288 2 : PropertyMap aImageProps;
289 2 : m_rEmitContext.rEmitter.beginTag( "draw:image", aImageProps );
290 2 : m_rEmitContext.rEmitter.beginTag( "office:binary-data", PropertyMap() );
291 2 : m_rEmitContext.rImages.writeBase64EncodedStream( elem.Image, m_rEmitContext);
292 2 : m_rEmitContext.rEmitter.endTag( "office:binary-data" );
293 2 : m_rEmitContext.rEmitter.endTag( "draw:image" );
294 2 : }
295 :
296 1 : void WriterXmlEmitter::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
297 : {
298 1 : if( m_rEmitContext.xStatusIndicator.is() )
299 0 : m_rEmitContext.xStatusIndicator->setValue( elem.PageNumber );
300 :
301 1 : std::list< Element* >::iterator this_it = elem.Children.begin();
302 18 : while( this_it !=elem.Children.end() && *this_it != &elem )
303 : {
304 16 : (*this_it)->visitedBy( *this, this_it );
305 16 : ++this_it;
306 : }
307 1 : }
308 :
309 1 : void WriterXmlEmitter::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&)
310 : {
311 1 : m_rEmitContext.rEmitter.beginTag( "office:body", PropertyMap() );
312 1 : m_rEmitContext.rEmitter.beginTag( "office:text", PropertyMap() );
313 :
314 2 : for( std::list< Element* >::iterator it = elem.Children.begin(); it != elem.Children.end(); ++it )
315 : {
316 1 : PageElement* pPage = dynamic_cast<PageElement*>(*it);
317 1 : if( pPage )
318 : {
319 : // emit only page anchored objects
320 : // currently these are only DrawElement types
321 17 : for( std::list< Element* >::iterator child_it = pPage->Children.begin(); child_it != pPage->Children.end(); ++child_it )
322 : {
323 16 : if( dynamic_cast<DrawElement*>(*child_it) != NULL )
324 15 : (*child_it)->visitedBy( *this, child_it );
325 : }
326 : }
327 : }
328 :
329 : // do not emit page anchored objects, they are emitted before
330 : // (must precede all pages in writer document) currently these are
331 : // only DrawElement types
332 2 : for( std::list< Element* >::iterator it = elem.Children.begin(); it != elem.Children.end(); ++it )
333 : {
334 1 : if( dynamic_cast<DrawElement*>(*it) == NULL )
335 1 : (*it)->visitedBy( *this, it );
336 : }
337 :
338 1 : m_rEmitContext.rEmitter.endTag( "office:text" );
339 1 : m_rEmitContext.rEmitter.endTag( "office:body" );
340 1 : }
341 :
342 :
343 :
344 0 : void WriterXmlOptimizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& )
345 : {
346 0 : }
347 :
348 104 : void WriterXmlOptimizer::visit( TextElement&, const std::list< Element* >::const_iterator&)
349 : {
350 104 : }
351 :
352 12 : void WriterXmlOptimizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator& )
353 : {
354 12 : elem.applyToChildren(*this);
355 12 : }
356 :
357 1 : void WriterXmlOptimizer::visit( ImageElement&, const std::list< Element* >::const_iterator& )
358 : {
359 1 : }
360 :
361 3 : void WriterXmlOptimizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
362 : {
363 : /* note: optimize two consecutive PolyPolyElements that
364 : * have the same path but one of which is a stroke while
365 : * the other is a fill
366 : */
367 3 : if( elem.Parent )
368 : {
369 : // find following PolyPolyElement in parent's children list
370 3 : std::list< Element* >::iterator this_it = elem.Parent->Children.begin();
371 22 : while( this_it != elem.Parent->Children.end() && *this_it != &elem )
372 16 : ++this_it;
373 :
374 3 : if( this_it != elem.Parent->Children.end() )
375 : {
376 3 : std::list< Element* >::iterator next_it = this_it;
377 3 : if( ++next_it != elem.Parent->Children.end() )
378 : {
379 3 : PolyPolyElement* pNext = dynamic_cast<PolyPolyElement*>(*next_it);
380 3 : if( pNext && pNext->PolyPoly == elem.PolyPoly )
381 : {
382 : const GraphicsContext& rNextGC =
383 0 : m_rProcessor.getGraphicsContext( pNext->GCId );
384 : const GraphicsContext& rThisGC =
385 0 : m_rProcessor.getGraphicsContext( elem.GCId );
386 :
387 0 : if( rThisGC.BlendMode == rNextGC.BlendMode &&
388 0 : rThisGC.Flatness == rNextGC.Flatness &&
389 0 : rThisGC.Transformation == rNextGC.Transformation &&
390 0 : rThisGC.Clip == rNextGC.Clip &&
391 0 : pNext->Action == PATH_STROKE &&
392 0 : (elem.Action == PATH_FILL || elem.Action == PATH_EOFILL) )
393 : {
394 0 : GraphicsContext aGC = rThisGC;
395 0 : aGC.LineJoin = rNextGC.LineJoin;
396 0 : aGC.LineCap = rNextGC.LineCap;
397 0 : aGC.LineWidth = rNextGC.LineWidth;
398 0 : aGC.MiterLimit= rNextGC.MiterLimit;
399 0 : aGC.DashArray = rNextGC.DashArray;
400 0 : aGC.LineColor = rNextGC.LineColor;
401 0 : elem.GCId = m_rProcessor.getGCId( aGC );
402 :
403 0 : elem.Action |= pNext->Action;
404 :
405 0 : elem.Children.splice( elem.Children.end(), pNext->Children );
406 0 : elem.Parent->Children.erase( next_it );
407 0 : delete pNext;
408 : }
409 : }
410 : }
411 : }
412 : }
413 3 : }
414 :
415 11 : void WriterXmlOptimizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& rParentIt)
416 : {
417 11 : optimizeTextElements( elem );
418 :
419 11 : elem.applyToChildren(*this);
420 :
421 11 : if( elem.Parent && rParentIt != elem.Parent->Children.end() )
422 : {
423 : // find if there is a previous paragraph that might be a heading for this one
424 11 : std::list<Element*>::const_iterator prev = rParentIt;
425 11 : ParagraphElement* pPrevPara = NULL;
426 22 : while( prev != elem.Parent->Children.begin() )
427 : {
428 0 : --prev;
429 0 : pPrevPara = dynamic_cast< ParagraphElement* >(*prev);
430 0 : if( pPrevPara )
431 : {
432 : /* What constitutes a heading ? current hints are:
433 : * - one line only
434 : * - not too far away from this paragraph (two heading height max ?)
435 : * - font larger or bold
436 : * this is of course incomplete
437 : * FIXME: improve hints for heading
438 : */
439 : // check for single line
440 0 : if( pPrevPara->isSingleLined( m_rProcessor ) )
441 : {
442 0 : double head_line_height = pPrevPara->getLineHeight( m_rProcessor );
443 0 : if( pPrevPara->y + pPrevPara->h + 2*head_line_height > elem.y )
444 : {
445 : // check for larger font
446 0 : if( head_line_height > elem.getLineHeight( m_rProcessor ) )
447 : {
448 0 : pPrevPara->Type = elem.Headline;
449 : }
450 : else
451 : {
452 : // check whether text of pPrevPara is bold (at least first text element)
453 : // and this para is not bold (dito)
454 0 : TextElement* pPrevText = pPrevPara->getFirstTextChild();
455 0 : TextElement* pThisText = elem.getFirstTextChild();
456 0 : if( pPrevText && pThisText )
457 : {
458 0 : const FontAttributes& rPrevFont = m_rProcessor.getFont( pPrevText->FontId );
459 0 : const FontAttributes& rThisFont = m_rProcessor.getFont( pThisText->FontId );
460 0 : if( rPrevFont.isBold && ! rThisFont.isBold )
461 0 : pPrevPara->Type = elem.Headline;
462 : }
463 : }
464 : }
465 : }
466 0 : break;
467 : }
468 : }
469 : }
470 11 : }
471 :
472 1 : void WriterXmlOptimizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
473 : {
474 1 : if( m_rProcessor.getStatusIndicator().is() )
475 0 : m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
476 :
477 : // resolve hyperlinks
478 1 : elem.resolveHyperlinks();
479 :
480 1 : elem.resolveFontStyles( m_rProcessor ); // underlines and such
481 :
482 : // FIXME: until hyperlinks and font effects are adjusted for
483 : // geometrical search handle them before sorting
484 1 : m_rProcessor.sortElements( &elem );
485 :
486 : // find paragraphs in text
487 1 : ParagraphElement* pCurPara = NULL;
488 1 : std::list< Element* >::iterator page_element, next_page_element;
489 1 : next_page_element = elem.Children.begin();
490 1 : double fCurLineHeight = 0.0; // average height of text items in current para
491 1 : int nCurLineElements = 0; // number of line contributing elements in current para
492 1 : double line_left = elem.w, line_right = 0.0;
493 1 : double column_width = elem.w*0.75; // estimate text width
494 : // TODO: guess columns
495 17 : while( next_page_element != elem.Children.end() )
496 : {
497 15 : page_element = next_page_element++;
498 15 : ParagraphElement* pPagePara = dynamic_cast<ParagraphElement*>(*page_element);
499 15 : if( pPagePara )
500 : {
501 0 : pCurPara = pPagePara;
502 : // adjust line height and text items
503 0 : fCurLineHeight = 0.0;
504 0 : nCurLineElements = 0;
505 0 : for( std::list< Element* >::iterator it = pCurPara->Children.begin();
506 0 : it != pCurPara->Children.end(); ++it )
507 : {
508 0 : TextElement* pTestText = dynamic_cast<TextElement*>(*it);
509 0 : if( pTestText )
510 : {
511 0 : fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pTestText->h)/double(nCurLineElements+1);
512 0 : nCurLineElements++;
513 : }
514 : }
515 0 : continue;
516 : }
517 :
518 15 : HyperlinkElement* pLink = dynamic_cast<HyperlinkElement*>(*page_element);
519 15 : DrawElement* pDraw = dynamic_cast<DrawElement*>(*page_element);
520 15 : if( ! pDraw && pLink && ! pLink->Children.empty() )
521 0 : pDraw = dynamic_cast<DrawElement*>(pLink->Children.front() );
522 15 : if( pDraw )
523 : {
524 : // insert small drawing objects as character, else leave them page bound
525 :
526 15 : bool bInsertToParagraph = false;
527 : // first check if this is either inside the paragraph
528 15 : if( pCurPara && pDraw->y < pCurPara->y + pCurPara->h )
529 : {
530 0 : if( pDraw->h < fCurLineHeight * 1.5 )
531 : {
532 0 : bInsertToParagraph = true;
533 0 : fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pDraw->h)/double(nCurLineElements+1);
534 0 : nCurLineElements++;
535 : // mark draw element as character
536 0 : pDraw->isCharacter = true;
537 : }
538 : }
539 : // or perhaps the draw element begins a new paragraph
540 15 : else if( next_page_element != elem.Children.end() )
541 : {
542 14 : TextElement* pText = dynamic_cast<TextElement*>(*next_page_element);
543 14 : if( ! pText )
544 : {
545 14 : ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*next_page_element);
546 14 : if( pPara && ! pPara->Children.empty() )
547 0 : pText = dynamic_cast<TextElement*>(pPara->Children.front());
548 : }
549 14 : if( pText && // check there is a text
550 0 : pDraw->h < pText->h*1.5 && // and it is approx the same height
551 : // and either upper or lower edge of pDraw is inside text's vertical range
552 0 : ( ( pDraw->y >= pText->y && pDraw->y <= pText->y+pText->h ) ||
553 0 : ( pDraw->y+pDraw->h >= pText->y && pDraw->y+pDraw->h <= pText->y+pText->h )
554 : )
555 : )
556 : {
557 0 : bInsertToParagraph = true;
558 0 : fCurLineHeight = pDraw->h;
559 0 : nCurLineElements = 1;
560 0 : line_left = pDraw->x;
561 0 : line_right = pDraw->x + pDraw->w;
562 : // begin a new paragraph
563 0 : pCurPara = NULL;
564 : // mark draw element as character
565 0 : pDraw->isCharacter = true;
566 : }
567 : }
568 :
569 15 : if( ! bInsertToParagraph )
570 : {
571 15 : pCurPara = NULL;
572 15 : continue;
573 : }
574 : }
575 :
576 0 : TextElement* pText = dynamic_cast<TextElement*>(*page_element);
577 0 : if( ! pText && pLink && ! pLink->Children.empty() )
578 0 : pText = dynamic_cast<TextElement*>(pLink->Children.front());
579 0 : if( pText )
580 : {
581 : Element* pGeo = pLink ? static_cast<Element*>(pLink) :
582 0 : static_cast<Element*>(pText);
583 0 : if( pCurPara )
584 : {
585 : // there was already a text element, check for a new paragraph
586 0 : if( nCurLineElements > 0 )
587 : {
588 : // if the new text is significantly distant from the paragraph
589 : // begin a new paragraph
590 0 : if( pGeo->y > pCurPara->y+pCurPara->h + fCurLineHeight*0.5 )
591 0 : pCurPara = NULL; // insert new paragraph
592 0 : else if( pGeo->y > (pCurPara->y+pCurPara->h - fCurLineHeight*0.05) )
593 : {
594 : // new paragraph if either the last line of the paragraph
595 : // was significantly shorter than the paragraph as a whole
596 0 : if( (line_right - line_left) < pCurPara->w*0.75 )
597 0 : pCurPara = NULL;
598 : // or the last line was significantly smaller than the column width
599 0 : else if( (line_right - line_left) < column_width*0.75 )
600 0 : pCurPara = NULL;
601 : }
602 : }
603 : }
604 : // update line height/width
605 0 : if( pCurPara )
606 : {
607 0 : fCurLineHeight = (fCurLineHeight*double(nCurLineElements) + pGeo->h)/double(nCurLineElements+1);
608 0 : nCurLineElements++;
609 0 : if( pGeo->x < line_left )
610 0 : line_left = pGeo->x;
611 0 : if( pGeo->x+pGeo->w > line_right )
612 0 : line_right = pGeo->x+pGeo->w;
613 : }
614 : else
615 : {
616 0 : fCurLineHeight = pGeo->h;
617 0 : nCurLineElements = 1;
618 0 : line_left = pGeo->x;
619 0 : line_right = pGeo->x + pGeo->w;
620 : }
621 : }
622 :
623 : // move element to current paragraph
624 0 : if( ! pCurPara ) // new paragraph, insert one
625 : {
626 0 : pCurPara = ElementFactory::createParagraphElement( NULL );
627 : // set parent
628 0 : pCurPara->Parent = &elem;
629 : //insert new paragraph before current element
630 0 : page_element = elem.Children.insert( page_element, pCurPara );
631 : // forward iterator to current element again
632 0 : ++ page_element;
633 : // update next_element which is now invalid
634 0 : next_page_element = page_element;
635 0 : ++ next_page_element;
636 : }
637 0 : Element* pCurEle = *page_element;
638 0 : Element::setParent( page_element, pCurPara );
639 : OSL_ENSURE( !pText || pCurEle == pText || pCurEle == pLink, "paragraph child list in disorder" );
640 0 : if( pText || pDraw )
641 0 : pCurPara->updateGeometryWith( pCurEle );
642 : }
643 :
644 : // process children
645 1 : elem.applyToChildren(*this);
646 :
647 : // find possible header and footer
648 1 : checkHeaderAndFooter( elem );
649 1 : }
650 :
651 1 : void WriterXmlOptimizer::checkHeaderAndFooter( PageElement& rElem )
652 : {
653 : /* indicators for a header:
654 : * - single line paragrah at top of page ( inside 15% page height)
655 : * - at least linheight above the next paragr aph
656 : *
657 : * indicators for a footer likewise:
658 : * - single line paragraph at bottom of page (inside 15% page height)
659 : * - at least lineheight below the previous paragraph
660 : */
661 :
662 : // detect header
663 : // Note: the following assumes that the pages' chiuldren have been
664 : // sorted geometrically
665 1 : std::list< Element* >::iterator it = rElem.Children.begin();
666 17 : while( it != rElem.Children.end() )
667 : {
668 15 : ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*it);
669 15 : if( pPara )
670 : {
671 0 : if( pPara->y+pPara->h < rElem.h*0.15 && pPara->isSingleLined( m_rProcessor ) )
672 : {
673 0 : std::list< Element* >::iterator next_it = it;
674 0 : ParagraphElement* pNextPara = NULL;
675 0 : while( ++next_it != rElem.Children.end() && pNextPara == NULL )
676 : {
677 0 : pNextPara = dynamic_cast<ParagraphElement*>(*next_it);
678 : }
679 0 : if( pNextPara && pNextPara->y > pPara->y+pPara->h*2 )
680 : {
681 0 : rElem.HeaderElement = pPara;
682 0 : pPara->Parent = NULL;
683 0 : rElem.Children.remove( pPara );
684 : }
685 : }
686 0 : break;
687 : }
688 15 : ++it;
689 : }
690 :
691 : // detect footer
692 1 : std::list< Element* >::reverse_iterator rit = rElem.Children.rbegin();
693 17 : while( rit != rElem.Children.rend() )
694 : {
695 15 : ParagraphElement* pPara = dynamic_cast<ParagraphElement*>(*rit);
696 15 : if( pPara )
697 : {
698 0 : if( pPara->y > rElem.h*0.85 && pPara->isSingleLined( m_rProcessor ) )
699 : {
700 0 : std::list< Element* >::reverse_iterator next_it = rit;
701 0 : ParagraphElement* pNextPara = NULL;
702 0 : while( ++next_it != rElem.Children.rend() && pNextPara == NULL )
703 : {
704 0 : pNextPara = dynamic_cast<ParagraphElement*>(*next_it);
705 : }
706 0 : if( pNextPara && pNextPara->y < pPara->y-pPara->h*2 )
707 : {
708 0 : rElem.FooterElement = pPara;
709 0 : pPara->Parent = NULL;
710 0 : rElem.Children.remove( pPara );
711 : }
712 : }
713 0 : break;
714 : }
715 15 : ++rit;
716 : }
717 1 : }
718 :
719 11 : void WriterXmlOptimizer::optimizeTextElements(Element& rParent)
720 : {
721 11 : if( rParent.Children.empty() ) // this should not happen
722 : {
723 : OSL_FAIL( "empty paragraph optimized" );
724 11 : return;
725 : }
726 :
727 : // concatenate child elements with same font id
728 11 : std::list< Element* >::iterator next = rParent.Children.begin();
729 11 : std::list< Element* >::iterator it = next++;
730 11 : FrameElement* pFrame = dynamic_cast<FrameElement*>(rParent.Parent);
731 11 : bool bRotatedFrame = false;
732 11 : if( pFrame )
733 : {
734 11 : const GraphicsContext& rFrameGC = m_rProcessor.getGraphicsContext( pFrame->GCId );
735 11 : if( rFrameGC.isRotatedOrSkewed() )
736 0 : bRotatedFrame = true;
737 : }
738 115 : while( next != rParent.Children.end() )
739 : {
740 93 : bool bConcat = false;
741 93 : TextElement* pCur = dynamic_cast<TextElement*>(*it);
742 93 : if( pCur )
743 : {
744 93 : TextElement* pNext = dynamic_cast<TextElement*>(*next);
745 93 : if( pNext )
746 : {
747 93 : const GraphicsContext& rCurGC = m_rProcessor.getGraphicsContext( pCur->GCId );
748 93 : const GraphicsContext& rNextGC = m_rProcessor.getGraphicsContext( pNext->GCId );
749 :
750 : // line and space optimization; works only in strictly horizontal mode
751 :
752 186 : if( !bRotatedFrame
753 93 : && ! rCurGC.isRotatedOrSkewed()
754 93 : && ! rNextGC.isRotatedOrSkewed()
755 93 : && ! pNext->Text.isEmpty()
756 93 : && pNext->Text[0] != ' '
757 81 : && ! pCur->Text.isEmpty()
758 174 : && pCur->Text[pCur->Text.getLength() - 1] != ' '
759 : )
760 : {
761 : // check for new line in paragraph
762 69 : if( pNext->y > pCur->y+pCur->h )
763 : {
764 : // new line begins
765 : // check whether a space would should be inserted or a hyphen removed
766 0 : sal_Unicode aLastCode = pCur->Text[pCur->Text.getLength() - 1];
767 0 : if( aLastCode == '-'
768 0 : || aLastCode == 0x2010
769 0 : || (aLastCode >= 0x2012 && aLastCode <= 0x2015)
770 0 : || aLastCode == 0xff0d
771 : )
772 : {
773 : // cut a hyphen
774 0 : pCur->Text.setLength( pCur->Text.getLength()-1 );
775 : }
776 : // append a space unless there is a non breaking hyphen
777 0 : else if( aLastCode != 0x2011 )
778 : {
779 0 : pCur->Text.append( ' ' );
780 : }
781 : }
782 : else // we're continuing the same line
783 : {
784 : // check whether a space would should be inserted
785 : // check for a small horizontal offset
786 69 : if( pCur->x + pCur->w + pNext->h*0.15 < pNext->x )
787 : {
788 0 : pCur->Text.append( ' ' );
789 : }
790 : }
791 : }
792 : // concatenate consecutive text elements unless there is a
793 : // font or text color or matrix change, leave a new span in that case
794 279 : if( pCur->FontId == pNext->FontId &&
795 186 : rCurGC.FillColor.Red == rNextGC.FillColor.Red &&
796 186 : rCurGC.FillColor.Green == rNextGC.FillColor.Green &&
797 186 : rCurGC.FillColor.Blue == rNextGC.FillColor.Blue &&
798 279 : rCurGC.FillColor.Alpha == rNextGC.FillColor.Alpha &&
799 93 : rCurGC.Transformation == rNextGC.Transformation
800 : )
801 : {
802 0 : pCur->updateGeometryWith( pNext );
803 : // append text to current element
804 0 : pCur->Text.append( pNext->Text.getStr(), pNext->Text.getLength() );
805 : // append eventual children to current element
806 : // and clear children (else the children just
807 : // appended to pCur would be destroyed)
808 0 : pCur->Children.splice( pCur->Children.end(), pNext->Children );
809 : // get rid of the now useless element
810 0 : rParent.Children.erase( next );
811 0 : delete pNext;
812 0 : bConcat = true;
813 : }
814 : }
815 : }
816 0 : else if( dynamic_cast<HyperlinkElement*>(*it) )
817 0 : optimizeTextElements( **it );
818 93 : if( bConcat )
819 : {
820 0 : next = it;
821 0 : ++next;
822 : }
823 : else
824 : {
825 93 : ++it;
826 93 : ++next;
827 : }
828 : }
829 : }
830 :
831 1 : void WriterXmlOptimizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator&)
832 : {
833 1 : elem.applyToChildren(*this);
834 1 : }
835 :
836 :
837 :
838 :
839 3 : void WriterXmlFinalizer::visit( PolyPolyElement& elem, const std::list< Element* >::const_iterator& )
840 : {
841 : // xxx TODO copied from DrawElement
842 3 : const GraphicsContext& rGC = m_rProcessor.getGraphicsContext(elem.GCId );
843 3 : PropertyMap aProps;
844 3 : aProps[ "style:family" ] = "graphic";
845 :
846 6 : PropertyMap aGCProps;
847 3 : if (elem.Action & PATH_STROKE)
848 : {
849 2 : double scale = GetAverageTransformationScale(rGC.Transformation);
850 2 : if (rGC.DashArray.size() < 2)
851 : {
852 1 : aGCProps[ "draw:stroke" ] = "solid";
853 : }
854 : else
855 : {
856 1 : PropertyMap props;
857 1 : FillDashStyleProps(props, rGC.DashArray, scale);
858 2 : StyleContainer::Style style("draw:stroke-dash", props);
859 :
860 1 : aGCProps[ "draw:stroke" ] = "dash";
861 2 : aGCProps[ "draw:stroke-dash" ] =
862 : m_rStyleContainer.getStyleName(
863 2 : m_rStyleContainer.getStyleId(style));
864 : }
865 :
866 2 : aGCProps[ "svg:stroke-color" ] = getColorString(rGC.LineColor);
867 2 : aGCProps[ "svg:stroke-width" ] = convertPixelToUnitString(rGC.LineWidth * scale);
868 2 : aGCProps[ "draw:stroke-linejoin" ] = rGC.GetLineJoinString();
869 2 : aGCProps[ "svg:stroke-linecap" ] = rGC.GetLineCapString();
870 : }
871 : else
872 : {
873 1 : aGCProps[ "draw:stroke" ] = "none";
874 : }
875 :
876 : // TODO(F1): check whether stuff could be emulated by gradient/bitmap/hatch
877 3 : if( elem.Action & (PATH_FILL | PATH_EOFILL) )
878 : {
879 1 : aGCProps[ "draw:fill" ] = "solid";
880 1 : aGCProps[ "draw:fill-color" ] = getColorString( rGC.FillColor );
881 : }
882 : else
883 : {
884 2 : aGCProps[ "draw:fill" ] = "none";
885 : }
886 :
887 6 : StyleContainer::Style aStyle( "style:style", aProps );
888 6 : StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps );
889 3 : aStyle.SubStyles.push_back( &aSubStyle );
890 :
891 6 : elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
892 3 : }
893 :
894 0 : void WriterXmlFinalizer::visit( HyperlinkElement&, const std::list< Element* >::const_iterator& )
895 : {
896 0 : }
897 :
898 104 : void WriterXmlFinalizer::visit( TextElement& elem, const std::list< Element* >::const_iterator& )
899 : {
900 104 : const FontAttributes& rFont = m_rProcessor.getFont( elem.FontId );
901 104 : PropertyMap aProps;
902 104 : aProps[ "style:family" ] = "text";
903 :
904 208 : PropertyMap aFontProps;
905 :
906 : // family name
907 104 : aFontProps[ "fo:font-family" ] = rFont.familyName;
908 : // bold
909 104 : if( rFont.isBold )
910 : {
911 0 : aFontProps[ "fo:font-weight" ] = "bold";
912 0 : aFontProps[ "fo:font-weight-asian" ] = "bold";
913 0 : aFontProps[ "fo:font-weight-complex" ] = "bold";
914 : }
915 : // italic
916 104 : if( rFont.isItalic )
917 : {
918 0 : aFontProps[ "fo:font-style" ] = "italic";
919 0 : aFontProps[ "fo:font-style-asian" ] = "italic";
920 0 : aFontProps[ "fo:font-style-complex" ] = "italic";
921 : }
922 : // underline
923 104 : if( rFont.isUnderline )
924 : {
925 0 : aFontProps[ "style:text-underline-style" ] = "solid";
926 0 : aFontProps[ "style:text-underline-width" ] = "auto";
927 0 : aFontProps[ "style:text-underline-color" ] = "font-color";
928 : }
929 : // outline
930 104 : if( rFont.isOutline )
931 : {
932 0 : aFontProps[ "style:text-outline" ] = "true";
933 : }
934 : // size
935 208 : OUStringBuffer aBuf( 32 );
936 104 : aBuf.append( rFont.size*72/PDFI_OUTDEV_RESOLUTION );
937 104 : aBuf.appendAscii( "pt" );
938 208 : OUString aFSize = aBuf.makeStringAndClear();
939 104 : aFontProps[ "fo:font-size" ] = aFSize;
940 104 : aFontProps[ "style:font-size-asian" ] = aFSize;
941 104 : aFontProps[ "style:font-size-complex" ] = aFSize;
942 : // color
943 104 : const GraphicsContext& rGC = m_rProcessor.getGraphicsContext( elem.GCId );
944 104 : aFontProps[ "fo:color" ] = getColorString( rFont.isOutline ? rGC.LineColor : rGC.FillColor );
945 :
946 208 : StyleContainer::Style aStyle( "style:style", aProps );
947 208 : StyleContainer::Style aSubStyle( "style:text-properties", aFontProps );
948 104 : aStyle.SubStyles.push_back( &aSubStyle );
949 208 : elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
950 104 : }
951 :
952 11 : void WriterXmlFinalizer::visit( ParagraphElement& elem, const std::list< Element* >::const_iterator& rParentIt )
953 : {
954 11 : PropertyMap aParaProps;
955 :
956 11 : if( elem.Parent )
957 : {
958 : // check for center alignement
959 : // criterion: paragraph is small relative to parent and distributed around its center
960 11 : double p_x = elem.Parent->x;
961 11 : double p_w = elem.Parent->w;
962 :
963 11 : PageElement* pPage = dynamic_cast<PageElement*>(elem.Parent);
964 11 : if( pPage )
965 : {
966 0 : p_x += pPage->LeftMargin;
967 0 : p_w -= pPage->LeftMargin+pPage->RightMargin;
968 : }
969 11 : bool bIsCenter = false;
970 11 : if( elem.w < ( p_w/2) )
971 : {
972 0 : double delta = elem.w/4;
973 : // allow very small paragraphs to deviate a little more
974 : // relative to parent's center
975 0 : if( elem.w < p_w/8 )
976 0 : delta = elem.w;
977 0 : if( fabs( elem.x+elem.w/2 - ( p_x+ p_w/2) ) < delta ||
978 0 : (pPage && fabs( elem.x+elem.w/2 - (pPage->x + pPage->w/2) ) < delta) )
979 : {
980 0 : bIsCenter = true;
981 0 : aParaProps[ "fo:text-align" ] = "center";
982 : }
983 : }
984 11 : if( ! bIsCenter && elem.x > p_x + p_w/10 )
985 : {
986 : // indent
987 0 : OUStringBuffer aBuf( 32 );
988 0 : aBuf.append( convPx2mm( elem.x - p_x ) );
989 0 : aBuf.appendAscii( "mm" );
990 0 : aParaProps[ "fo:margin-left" ] = aBuf.makeStringAndClear();
991 : }
992 :
993 : // check whether to leave some space to next paragraph
994 : // find whether there is a next paragraph
995 11 : std::list< Element* >::const_iterator it = rParentIt;
996 11 : const ParagraphElement* pNextPara = NULL;
997 22 : while( ++it != elem.Parent->Children.end() && ! pNextPara )
998 0 : pNextPara = dynamic_cast< const ParagraphElement* >(*it);
999 11 : if( pNextPara )
1000 : {
1001 0 : if( pNextPara->y - (elem.y+elem.h) > convmm2Px( 10 ) )
1002 : {
1003 0 : OUStringBuffer aBuf( 32 );
1004 0 : aBuf.append( convPx2mm( pNextPara->y - (elem.y+elem.h) ) );
1005 0 : aBuf.appendAscii( "mm" );
1006 0 : aParaProps[ "fo:margin-bottom" ] = aBuf.makeStringAndClear();
1007 : }
1008 : }
1009 : }
1010 :
1011 11 : if( ! aParaProps.empty() )
1012 : {
1013 0 : PropertyMap aProps;
1014 0 : aProps[ "style:family" ] = "paragraph";
1015 0 : StyleContainer::Style aStyle( "style:style", aProps );
1016 0 : StyleContainer::Style aSubStyle( "style:paragraph-properties", aParaProps );
1017 0 : aStyle.SubStyles.push_back( &aSubStyle );
1018 0 : elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
1019 : }
1020 :
1021 11 : elem.applyToChildren(*this);
1022 11 : }
1023 :
1024 12 : void WriterXmlFinalizer::visit( FrameElement& elem, const std::list< Element* >::const_iterator&)
1025 : {
1026 12 : PropertyMap aProps;
1027 12 : aProps[ "style:family" ] = "graphic";
1028 :
1029 24 : PropertyMap aGCProps;
1030 :
1031 12 : aGCProps[ "draw:stroke" ] = "none";
1032 12 : aGCProps[ "draw:fill" ] = "none";
1033 12 : aGCProps[ "draw:auto-grow-height" ] = "true";
1034 12 : aGCProps[ "draw:auto-grow-width" ] = "true";
1035 12 : aGCProps[ "draw:textarea-horizontal-align" ] = "left";
1036 12 : aGCProps[ "draw:textarea-vertical-align" ] = "top";
1037 12 : aGCProps[ "fo:min-height"] = "0cm";
1038 12 : aGCProps[ "fo:min-width"] = "0cm";
1039 12 : aGCProps[ "fo:padding-top" ] = "0cm";
1040 12 : aGCProps[ "fo:padding-left" ] = "0cm";
1041 12 : aGCProps[ "fo:padding-right" ] = "0cm";
1042 12 : aGCProps[ "fo:padding-bottom" ] = "0cm";
1043 :
1044 24 : StyleContainer::Style aStyle( "style:style", aProps );
1045 24 : StyleContainer::Style aSubStyle( "style:graphic-properties", aGCProps );
1046 12 : aStyle.SubStyles.push_back( &aSubStyle );
1047 :
1048 12 : elem.StyleId = m_rStyleContainer.getStyleId( aStyle );
1049 24 : elem.applyToChildren(*this);
1050 12 : }
1051 :
1052 1 : void WriterXmlFinalizer::visit( ImageElement&, const std::list< Element* >::const_iterator& )
1053 : {
1054 1 : }
1055 :
1056 1 : void WriterXmlFinalizer::setFirstOnPage( ParagraphElement& rElem,
1057 : StyleContainer& rStyles,
1058 : const OUString& rMasterPageName )
1059 : {
1060 1 : PropertyMap aProps;
1061 1 : if( rElem.StyleId != -1 )
1062 : {
1063 0 : const PropertyMap* pProps = rStyles.getProperties( rElem.StyleId );
1064 0 : if( pProps )
1065 0 : aProps = *pProps;
1066 : }
1067 :
1068 1 : aProps[ "style:family" ] = "paragraph";
1069 1 : aProps[ "style:master-page-name" ] = rMasterPageName;
1070 :
1071 1 : if( rElem.StyleId != -1 )
1072 0 : rElem.StyleId = rStyles.setProperties( rElem.StyleId, aProps );
1073 : else
1074 : {
1075 1 : StyleContainer::Style aStyle( "style:style", aProps );
1076 1 : rElem.StyleId = rStyles.getStyleId( aStyle );
1077 1 : }
1078 1 : }
1079 :
1080 1 : void WriterXmlFinalizer::visit( PageElement& elem, const std::list< Element* >::const_iterator& )
1081 : {
1082 1 : if( m_rProcessor.getStatusIndicator().is() )
1083 0 : m_rProcessor.getStatusIndicator()->setValue( elem.PageNumber );
1084 :
1085 : // transform from pixel to mm
1086 1 : double page_width = convPx2mm( elem.w ), page_height = convPx2mm( elem.h );
1087 :
1088 : // calculate page margins out of the relevant children (paragraphs)
1089 1 : elem.TopMargin = elem.h, elem.BottomMargin = 0, elem.LeftMargin = elem.w, elem.RightMargin = 0;
1090 : // first element should be a paragraphy
1091 1 : ParagraphElement* pFirstPara = NULL;
1092 16 : for( std::list< Element* >::const_iterator it = elem.Children.begin(); it != elem.Children.end(); ++it )
1093 : {
1094 15 : if( dynamic_cast<ParagraphElement*>( *it ) )
1095 : {
1096 0 : if( (*it)->x < elem.LeftMargin )
1097 0 : elem.LeftMargin = (*it)->x;
1098 0 : if( (*it)->y < elem.TopMargin )
1099 0 : elem.TopMargin = (*it)->y;
1100 0 : if( (*it)->x + (*it)->w > elem.w - elem.RightMargin )
1101 0 : elem.RightMargin = elem.w - ((*it)->x + (*it)->w);
1102 0 : if( (*it)->y + (*it)->h > elem.h - elem.BottomMargin )
1103 0 : elem.BottomMargin = elem.h - ((*it)->y + (*it)->h);
1104 0 : if( ! pFirstPara )
1105 0 : pFirstPara = dynamic_cast<ParagraphElement*>( *it );
1106 : }
1107 : }
1108 1 : if( elem.HeaderElement && elem.HeaderElement->y < elem.TopMargin )
1109 0 : elem.TopMargin = elem.HeaderElement->y;
1110 1 : if( elem.FooterElement && elem.FooterElement->y+elem.FooterElement->h > elem.h - elem.BottomMargin )
1111 0 : elem.BottomMargin = elem.h - (elem.FooterElement->y + elem.FooterElement->h);
1112 :
1113 : // transform margins to mm
1114 1 : double left_margin = convPx2mm( elem.LeftMargin );
1115 1 : double right_margin = convPx2mm( elem.RightMargin );
1116 1 : double top_margin = convPx2mm( elem.TopMargin );
1117 1 : double bottom_margin = convPx2mm( elem.BottomMargin );
1118 1 : if( ! pFirstPara )
1119 : {
1120 : // use default page margins
1121 1 : left_margin = 10;
1122 1 : right_margin = 10;
1123 1 : top_margin = 10;
1124 1 : bottom_margin = 10;
1125 : }
1126 :
1127 : // round left/top margin to nearest mm
1128 1 : left_margin = rtl_math_round( left_margin, 0, rtl_math_RoundingMode_Floor );
1129 1 : top_margin = rtl_math_round( top_margin, 0, rtl_math_RoundingMode_Floor );
1130 : // round (fuzzy) right/bottom margin to nearest cm
1131 1 : right_margin = rtl_math_round( right_margin, right_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
1132 1 : bottom_margin = rtl_math_round( bottom_margin, bottom_margin >= 10 ? -1 : 0, rtl_math_RoundingMode_Floor );
1133 :
1134 : // set reasonable default in case of way too large margins
1135 : // e.g. no paragraph case
1136 1 : if( left_margin > page_width/2.0 - 10 )
1137 0 : left_margin = 10;
1138 1 : if( right_margin > page_width/2.0 - 10 )
1139 0 : right_margin = 10;
1140 1 : if( top_margin > page_height/2.0 - 10 )
1141 0 : top_margin = 10;
1142 1 : if( bottom_margin > page_height/2.0 - 10 )
1143 0 : bottom_margin = 10;
1144 :
1145 : // catch the weird cases
1146 1 : if( left_margin < 0 )
1147 0 : left_margin = 0;
1148 1 : if( right_margin < 0 )
1149 0 : right_margin = 0;
1150 1 : if( top_margin < 0 )
1151 0 : top_margin = 0;
1152 1 : if( bottom_margin < 0 )
1153 0 : bottom_margin = 0;
1154 :
1155 : // widely differing margins are unlikely to be correct
1156 1 : if( right_margin > left_margin*1.5 )
1157 0 : right_margin = left_margin;
1158 :
1159 1 : elem.LeftMargin = convmm2Px( left_margin );
1160 1 : elem.RightMargin = convmm2Px( right_margin );
1161 1 : elem.TopMargin = convmm2Px( top_margin );
1162 1 : elem.BottomMargin = convmm2Px( bottom_margin );
1163 :
1164 : // get styles for paragraphs
1165 1 : PropertyMap aPageProps;
1166 2 : PropertyMap aPageLayoutProps;
1167 1 : aPageLayoutProps[ "fo:page-width" ] = unitMMString( page_width );
1168 1 : aPageLayoutProps[ "fo:page-height" ] = unitMMString( page_height );
1169 2 : aPageLayoutProps[ "style:print-orientation" ]
1170 3 : = elem.w < elem.h ? OUString("portrait") : OUString("landscape");
1171 1 : aPageLayoutProps[ "fo:margin-top" ] = unitMMString( top_margin );
1172 1 : aPageLayoutProps[ "fo:margin-bottom" ] = unitMMString( bottom_margin );
1173 1 : aPageLayoutProps[ "fo:margin-left" ] = unitMMString( left_margin );
1174 1 : aPageLayoutProps[ "fo:margin-right" ] = unitMMString( right_margin );
1175 1 : aPageLayoutProps[ "style:writing-mode" ]= "lr-tb";
1176 :
1177 2 : StyleContainer::Style aStyle( "style:page-layout", aPageProps);
1178 2 : StyleContainer::Style aSubStyle( "style:page-layout-properties", aPageLayoutProps);
1179 1 : aStyle.SubStyles.push_back(&aSubStyle);
1180 1 : sal_Int32 nPageStyle = m_rStyleContainer.impl_getStyleId( aStyle, false );
1181 :
1182 : // create master page
1183 2 : OUString aMasterPageLayoutName = m_rStyleContainer.getStyleName( nPageStyle );
1184 1 : aPageProps[ "style:page-layout-name" ] = aMasterPageLayoutName;
1185 2 : StyleContainer::Style aMPStyle( "style:master-page", aPageProps );
1186 2 : StyleContainer::Style aHeaderStyle( "style:header", PropertyMap() );
1187 2 : StyleContainer::Style aFooterStyle( "style:footer", PropertyMap() );
1188 1 : if( elem.HeaderElement )
1189 : {
1190 0 : elem.HeaderElement->visitedBy( *this, std::list<Element*>::iterator() );
1191 0 : aHeaderStyle.ContainedElement = elem.HeaderElement;
1192 0 : aMPStyle.SubStyles.push_back( &aHeaderStyle );
1193 : }
1194 1 : if( elem.FooterElement )
1195 : {
1196 0 : elem.FooterElement->visitedBy( *this, std::list<Element*>::iterator() );
1197 0 : aFooterStyle.ContainedElement = elem.FooterElement;
1198 0 : aMPStyle.SubStyles.push_back( &aFooterStyle );
1199 : }
1200 1 : elem.StyleId = m_rStyleContainer.impl_getStyleId( aMPStyle,false );
1201 :
1202 :
1203 2 : OUString aMasterPageName = m_rStyleContainer.getStyleName( elem.StyleId );
1204 :
1205 : // create styles for children
1206 1 : elem.applyToChildren(*this);
1207 :
1208 : // no paragraph or other elements before the first paragraph
1209 1 : if( ! pFirstPara )
1210 : {
1211 1 : pFirstPara = ElementFactory::createParagraphElement( NULL );
1212 1 : pFirstPara->Parent = &elem;
1213 1 : elem.Children.push_front( pFirstPara );
1214 : }
1215 2 : setFirstOnPage(*pFirstPara, m_rStyleContainer, aMasterPageName);
1216 1 : }
1217 :
1218 1 : void WriterXmlFinalizer::visit( DocumentElement& elem, const std::list< Element* >::const_iterator& )
1219 : {
1220 1 : elem.applyToChildren(*this);
1221 1 : }
1222 :
1223 : }
1224 :
1225 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
