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 "genericelements.hxx"
26 : #include "style.hxx"
27 : #include "treevisiting.hxx"
28 :
29 : #include <rtl/string.hxx>
30 : #include <rtl/strbuf.hxx>
31 :
32 : #include <comphelper/sequence.hxx>
33 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
34 : #include <basegfx/polygon/b2dpolygonclipper.hxx>
35 : #include <basegfx/polygon/b2dpolygontools.hxx>
36 : #include <basegfx/tools/canvastools.hxx>
37 : #include <basegfx/matrix/b2dhommatrix.hxx>
38 : #include <basegfx/range/b2irange.hxx>
39 : #include <basegfx/range/b2drectangle.hxx>
40 : #include <basegfx/matrix/b2dhommatrixtools.hxx>
41 : #include <vcl/svapp.hxx>
42 :
43 : #include <com/sun/star/rendering/XVolatileBitmap.hpp>
44 : #include <com/sun/star/geometry/RealSize2D.hpp>
45 : #include <com/sun/star/geometry/RealPoint2D.hpp>
46 : #include <com/sun/star/geometry/RealRectangle2D.hpp>
47 :
48 :
49 : using namespace com::sun::star;
50 :
51 :
52 : namespace pdfi
53 : {
54 :
55 4 : PDFIProcessor::PDFIProcessor( const uno::Reference< task::XStatusIndicator >& xStat ,
56 : com::sun::star::uno::Reference< com::sun::star::uno::XComponentContext > xContext) :
57 :
58 : m_xContext(xContext),
59 : prevCharWidth(0),
60 : m_pElFactory( new ElementFactory() ),
61 : m_pDocument( ElementFactory::createDocumentElement() ),
62 : m_pCurPage(0),
63 : m_pCurElement(0),
64 : m_nNextFontId( 1 ),
65 : m_aIdToFont(),
66 : m_aFontToId(),
67 : m_aGCStack(),
68 : m_nNextGCId( 1 ),
69 : m_aIdToGC(),
70 : m_aGCToId(),
71 : m_aImages(),
72 : m_eTextDirection( LrTb ),
73 : m_nPages(0),
74 : m_nNextZOrder( 1 ),
75 : m_xStatusIndicator( xStat ),
76 4 : m_bHaveTextOnDocLevel(false)
77 : {
78 4 : FontAttributes aDefFont;
79 4 : aDefFont.familyName = "Helvetica";
80 4 : aDefFont.isBold = false;
81 4 : aDefFont.isItalic = false;
82 4 : aDefFont.size = 10*PDFI_OUTDEV_RESOLUTION/72;
83 4 : m_aIdToFont[ 0 ] = aDefFont;
84 4 : m_aFontToId[ aDefFont ] = 0;
85 :
86 8 : GraphicsContext aDefGC;
87 4 : m_aGCStack.push_back( aDefGC );
88 4 : m_aIdToGC[ 0 ] = aDefGC;
89 8 : m_aGCToId[ aDefGC ] = 0;
90 4 : }
91 :
92 0 : void PDFIProcessor::enableToplevelText()
93 : {
94 0 : m_bHaveTextOnDocLevel = true;
95 0 : }
96 :
97 4 : void PDFIProcessor::setPageNum( sal_Int32 nPages )
98 : {
99 4 : m_nPages = nPages;
100 4 : }
101 :
102 :
103 42 : void PDFIProcessor::pushState()
104 : {
105 42 : GraphicsContextStack::value_type const a(m_aGCStack.back());
106 42 : m_aGCStack.push_back(a);
107 42 : }
108 :
109 42 : void PDFIProcessor::popState()
110 : {
111 42 : m_aGCStack.pop_back();
112 42 : }
113 :
114 3 : void PDFIProcessor::setFlatness( double value )
115 : {
116 3 : getCurrentContext().Flatness = value;
117 3 : }
118 :
119 8 : void PDFIProcessor::setTransformation( const geometry::AffineMatrix2D& rMatrix )
120 : {
121 : basegfx::unotools::homMatrixFromAffineMatrix(
122 8 : getCurrentContext().Transformation,
123 8 : rMatrix );
124 8 : }
125 :
126 5 : void PDFIProcessor::setLineDash( const uno::Sequence<double>& dashes,
127 : double /*start*/ )
128 : {
129 : // TODO(F2): factor in start offset
130 5 : GraphicsContext& rContext( getCurrentContext() );
131 5 : comphelper::sequenceToContainer(rContext.DashArray,dashes);
132 5 : }
133 :
134 7 : void PDFIProcessor::setLineJoin(sal_Int8 nJoin)
135 : {
136 7 : getCurrentContext().LineJoin = nJoin;
137 7 : }
138 :
139 7 : void PDFIProcessor::setLineCap(sal_Int8 nCap)
140 : {
141 7 : getCurrentContext().LineCap = nCap;
142 7 : }
143 :
144 3 : void PDFIProcessor::setMiterLimit(double)
145 : {
146 : OSL_TRACE("PDFIProcessor::setMiterLimit(): not supported by ODF");
147 3 : }
148 :
149 10 : void PDFIProcessor::setLineWidth(double nWidth)
150 : {
151 10 : getCurrentContext().LineWidth = nWidth;
152 10 : }
153 :
154 31 : void PDFIProcessor::setFillColor( const rendering::ARGBColor& rColor )
155 : {
156 31 : getCurrentContext().FillColor = rColor;
157 31 : }
158 :
159 10 : void PDFIProcessor::setStrokeColor( const rendering::ARGBColor& rColor )
160 : {
161 10 : getCurrentContext().LineColor = rColor;
162 10 : }
163 :
164 0 : void PDFIProcessor::setBlendMode(sal_Int8)
165 : {
166 : OSL_TRACE("PDFIProcessor::setBlendMode(): not supported by ODF");
167 0 : }
168 :
169 24 : void PDFIProcessor::setFont( const FontAttributes& i_rFont )
170 : {
171 24 : FontAttributes aChangedFont( i_rFont );
172 24 : GraphicsContext& rGC=getCurrentContext();
173 : // for text render modes, please see PDF reference manual
174 24 : aChangedFont.isOutline = ( (rGC.TextRenderMode == 1) || (rGC. TextRenderMode == 2) );
175 24 : FontToIdMap::const_iterator it = m_aFontToId.find( aChangedFont );
176 24 : if( it != m_aFontToId.end() )
177 14 : rGC.FontId = it->second;
178 : else
179 : {
180 10 : m_aFontToId[ aChangedFont ] = m_nNextFontId;
181 10 : m_aIdToFont[ m_nNextFontId ] = aChangedFont;
182 10 : rGC.FontId = m_nNextFontId;
183 10 : m_nNextFontId++;
184 24 : }
185 24 : }
186 :
187 0 : void PDFIProcessor::setTextRenderMode( sal_Int32 i_nMode )
188 : {
189 0 : GraphicsContext& rGC=getCurrentContext();
190 0 : rGC.TextRenderMode = i_nMode;
191 0 : IdToFontMap::iterator it = m_aIdToFont.find( rGC.FontId );
192 0 : if( it != m_aIdToFont.end() )
193 0 : setFont( it->second );
194 0 : }
195 :
196 0 : sal_Int32 PDFIProcessor::getFontId( const FontAttributes& rAttr ) const
197 : {
198 0 : const sal_Int32 nCurFont = getCurrentContext().FontId;
199 0 : const_cast<PDFIProcessor*>(this)->setFont( rAttr );
200 0 : const sal_Int32 nFont = getCurrentContext().FontId;
201 0 : const_cast<PDFIProcessor*>(this)->getCurrentContext().FontId = nCurFont;
202 :
203 0 : return nFont;
204 : }
205 :
206 : // line diagnose block - start
207 28 : void PDFIProcessor::processGlyphLine()
208 : {
209 28 : if (m_GlyphsList.empty())
210 32 : return;
211 :
212 24 : double spaceDetectBoundary = 0.0;
213 :
214 : // Try to find space glyph and its width
215 104 : for (size_t i = 0; i < m_GlyphsList.size(); i++)
216 : {
217 100 : OUString& glyph = m_GlyphsList[i].getGlyph();
218 :
219 100 : sal_Unicode ch = '\0';
220 100 : if (!glyph.isEmpty())
221 100 : ch = glyph[0];
222 :
223 100 : if ((ch == 0x20) || (ch == 0xa0))
224 : {
225 20 : double spaceWidth = m_GlyphsList[i].getWidth();
226 20 : spaceDetectBoundary = spaceWidth * 0.5;
227 20 : break;
228 : }
229 : }
230 :
231 : // If space glyph is not found, use average glyph width instead
232 24 : if (spaceDetectBoundary == 0.0)
233 : {
234 4 : double avgGlyphWidth = 0.0;
235 8 : for (size_t i = 0; i < m_GlyphsList.size(); i++)
236 4 : avgGlyphWidth += m_GlyphsList[i].getWidth();
237 4 : avgGlyphWidth /= m_GlyphsList.size();
238 4 : spaceDetectBoundary = avgGlyphWidth * 0.2;
239 : }
240 :
241 : FrameElement* frame = ElementFactory::createFrameElement(
242 24 : m_GlyphsList[0].getCurElement(),
243 48 : getGCId(m_GlyphsList[0].getGC()));
244 24 : frame->ZOrder = m_nNextZOrder++;
245 24 : frame->IsForText = true;
246 24 : frame->FontSize = getFont(m_GlyphsList[0].getGC().FontId).size;
247 24 : ParagraphElement* para = ElementFactory::createParagraphElement(frame);
248 :
249 310 : for (size_t i = 0; i < m_GlyphsList.size(); i++)
250 : {
251 286 : bool prependSpace = false;
252 : TextElement* text = ElementFactory::createTextElement(
253 : para,
254 286 : getGCId(m_GlyphsList[i].getGC()),
255 572 : m_GlyphsList[i].getGC().FontId);
256 286 : if (i == 0)
257 : {
258 24 : text->x = m_GlyphsList[0].getGC().Transformation.get(0, 2);
259 24 : text->y = m_GlyphsList[0].getGC().Transformation.get(1, 2);
260 24 : text->w = 0;
261 24 : text->h = 0;
262 24 : para->updateGeometryWith(text);
263 24 : frame->updateGeometryWith(para);
264 : }
265 : else
266 : {
267 262 : double spaceSize = m_GlyphsList[i].getPrevSpaceWidth();
268 262 : prependSpace = spaceSize > spaceDetectBoundary;
269 : }
270 286 : if (prependSpace)
271 0 : text->Text.append(" ");
272 286 : text->Text.append(m_GlyphsList[i].getGlyph());
273 : }
274 :
275 24 : m_GlyphsList.clear();
276 : }
277 :
278 286 : void PDFIProcessor::drawGlyphs( const OUString& rGlyphs,
279 : const geometry::RealRectangle2D& rRect,
280 : const geometry::Matrix2D& rFontMatrix,
281 : double fontSize)
282 : {
283 286 : double ascent = getFont(getCurrentContext().FontId).ascent;
284 :
285 : basegfx::B2DHomMatrix fontMatrix(
286 : rFontMatrix.m00, rFontMatrix.m01, 0.0,
287 286 : rFontMatrix.m10, rFontMatrix.m11, 0.0);
288 286 : fontMatrix.scale(fontSize, fontSize);
289 :
290 572 : basegfx::B2DHomMatrix totalTextMatrix1(fontMatrix);
291 572 : basegfx::B2DHomMatrix totalTextMatrix2(fontMatrix);
292 286 : totalTextMatrix1.translate(rRect.X1, rRect.Y1);
293 286 : totalTextMatrix2.translate(rRect.X2, rRect.Y2);
294 :
295 572 : basegfx::B2DHomMatrix corrMatrix;
296 286 : corrMatrix.scale(1.0, -1.0);
297 286 : corrMatrix.translate(0.0, ascent);
298 286 : totalTextMatrix1 = totalTextMatrix1 * corrMatrix;
299 286 : totalTextMatrix2 = totalTextMatrix2 * corrMatrix;
300 :
301 286 : totalTextMatrix1 *= getCurrentContext().Transformation;
302 286 : totalTextMatrix2 *= getCurrentContext().Transformation;
303 :
304 572 : basegfx::B2DHomMatrix invMatrix(totalTextMatrix1);
305 572 : basegfx::B2DHomMatrix invPrevMatrix(prevTextMatrix);
306 286 : invMatrix.invert();
307 286 : invPrevMatrix.invert();
308 572 : basegfx::B2DHomMatrix offsetMatrix1(totalTextMatrix1);
309 572 : basegfx::B2DHomMatrix offsetMatrix2(totalTextMatrix2);
310 286 : offsetMatrix1 *= invPrevMatrix;
311 286 : offsetMatrix2 *= invMatrix;
312 :
313 286 : double charWidth = offsetMatrix2.get(0, 2);
314 286 : double prevSpaceWidth = offsetMatrix1.get(0, 2) - prevCharWidth;
315 :
316 1154 : if ((totalTextMatrix1.get(0, 0) != prevTextMatrix.get(0, 0)) ||
317 544 : (totalTextMatrix1.get(0, 1) != prevTextMatrix.get(0, 1)) ||
318 544 : (totalTextMatrix1.get(1, 0) != prevTextMatrix.get(1, 0)) ||
319 544 : (totalTextMatrix1.get(1, 1) != prevTextMatrix.get(1, 1)) ||
320 536 : (offsetMatrix1.get(0, 2) < 0.0) ||
321 1622 : (prevSpaceWidth > prevCharWidth * 1.3) ||
322 1334 : (!basegfx::fTools::equalZero(offsetMatrix1.get(1, 2), 0.0001)))
323 : {
324 24 : processGlyphLine();
325 : }
326 :
327 572 : CharGlyph aGlyph(m_pCurElement, getCurrentContext(), charWidth, prevSpaceWidth, rGlyphs);
328 286 : aGlyph.getGC().Transformation = totalTextMatrix1;
329 286 : m_GlyphsList.push_back(aGlyph);
330 :
331 286 : prevCharWidth = charWidth;
332 572 : prevTextMatrix = totalTextMatrix1;
333 286 : }
334 :
335 24 : void PDFIProcessor::endText()
336 : {
337 24 : TextElement* pText = dynamic_cast<TextElement*>(m_pCurElement);
338 24 : if( pText )
339 0 : m_pCurElement = pText->Parent;
340 24 : }
341 :
342 3 : void PDFIProcessor::setupImage(ImageId nImage)
343 : {
344 3 : const GraphicsContext& rGC(getCurrentContext());
345 :
346 6 : basegfx::B2DTuple aScale, aTranslation;
347 : double fRotate, fShearX;
348 3 : rGC.Transformation.decompose(aScale, aTranslation, fRotate, fShearX);
349 :
350 3 : const sal_Int32 nGCId = getGCId(rGC);
351 3 : FrameElement* pFrame = ElementFactory::createFrameElement( m_pCurElement, nGCId );
352 3 : ImageElement* pImageElement = ElementFactory::createImageElement( pFrame, nGCId, nImage );
353 3 : pFrame->x = pImageElement->x = aTranslation.getX();
354 3 : pFrame->y = pImageElement->y = aTranslation.getY();
355 3 : pFrame->w = pImageElement->w = aScale.getX();
356 3 : pFrame->h = pImageElement->h = aScale.getY();
357 3 : pFrame->ZOrder = m_nNextZOrder++;
358 :
359 3 : if (aScale.getY() > 0)
360 3 : pFrame->MirrorVertical = pImageElement->MirrorVertical = true;
361 3 : }
362 :
363 0 : void PDFIProcessor::drawMask(const uno::Sequence<beans::PropertyValue>& xBitmap,
364 : bool /*bInvert*/ )
365 : {
366 : // TODO(F3): Handle mask and inversion
367 0 : setupImage( m_aImages.addImage(xBitmap) );
368 0 : }
369 :
370 3 : void PDFIProcessor::drawImage(const uno::Sequence<beans::PropertyValue>& xBitmap )
371 : {
372 3 : setupImage( m_aImages.addImage(xBitmap) );
373 3 : }
374 :
375 0 : void PDFIProcessor::drawColorMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap,
376 : const uno::Sequence<uno::Any>& /*xMaskColors*/ )
377 : {
378 : // TODO(F3): Handle mask colors
379 0 : setupImage( m_aImages.addImage(xBitmap) );
380 0 : }
381 :
382 0 : void PDFIProcessor::drawMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap,
383 : const uno::Sequence<beans::PropertyValue>& /*xMask*/,
384 : bool /*bInvertMask*/)
385 : {
386 : // TODO(F3): Handle mask and inversion
387 0 : setupImage( m_aImages.addImage(xBitmap) );
388 0 : }
389 :
390 0 : void PDFIProcessor::drawAlphaMaskedImage(const uno::Sequence<beans::PropertyValue>& xBitmap,
391 : const uno::Sequence<beans::PropertyValue>& /*xMask*/)
392 : {
393 : // TODO(F3): Handle mask
394 :
395 0 : setupImage( m_aImages.addImage(xBitmap) );
396 :
397 0 : }
398 :
399 4 : void PDFIProcessor::strokePath( const uno::Reference< rendering::XPolyPolygon2D >& rPath )
400 : {
401 4 : basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath);
402 4 : aPoly.transform(getCurrentContext().Transformation);
403 :
404 : PolyPolyElement* pPoly = ElementFactory::createPolyPolyElement(
405 : m_pCurElement,
406 4 : getGCId(getCurrentContext()),
407 : aPoly,
408 4 : PATH_STROKE );
409 4 : pPoly->updateGeometry();
410 4 : pPoly->ZOrder = m_nNextZOrder++;
411 4 : }
412 :
413 0 : void PDFIProcessor::fillPath( const uno::Reference< rendering::XPolyPolygon2D >& rPath )
414 : {
415 0 : basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath);
416 0 : aPoly.transform(getCurrentContext().Transformation);
417 :
418 : PolyPolyElement* pPoly = ElementFactory::createPolyPolyElement(
419 : m_pCurElement,
420 0 : getGCId(getCurrentContext()),
421 : aPoly,
422 0 : PATH_FILL );
423 0 : pPoly->updateGeometry();
424 0 : pPoly->ZOrder = m_nNextZOrder++;
425 0 : }
426 :
427 2 : void PDFIProcessor::eoFillPath( const uno::Reference< rendering::XPolyPolygon2D >& rPath )
428 : {
429 2 : basegfx::B2DPolyPolygon aPoly=basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath);
430 2 : aPoly.transform(getCurrentContext().Transformation);
431 :
432 : PolyPolyElement* pPoly = ElementFactory::createPolyPolyElement(
433 : m_pCurElement,
434 2 : getGCId(getCurrentContext()),
435 : aPoly,
436 2 : PATH_EOFILL );
437 2 : pPoly->updateGeometry();
438 2 : pPoly->ZOrder = m_nNextZOrder++;
439 2 : }
440 :
441 3 : void PDFIProcessor::intersectClip(const uno::Reference< rendering::XPolyPolygon2D >& rPath)
442 : {
443 : // TODO(F3): interpret fill mode
444 3 : basegfx::B2DPolyPolygon aNewClip = basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath);
445 3 : aNewClip.transform(getCurrentContext().Transformation);
446 6 : basegfx::B2DPolyPolygon aCurClip = getCurrentContext().Clip;
447 :
448 3 : if( aCurClip.count() ) // #i92985# adapted API from (..., false, false) to (..., true, false)
449 3 : aNewClip = basegfx::tools::clipPolyPolygonOnPolyPolygon( aCurClip, aNewClip, true, false );
450 :
451 6 : getCurrentContext().Clip = aNewClip;
452 3 : }
453 :
454 4 : void PDFIProcessor::intersectEoClip(const uno::Reference< rendering::XPolyPolygon2D >& rPath)
455 : {
456 : // TODO(F3): interpret fill mode
457 4 : basegfx::B2DPolyPolygon aNewClip = basegfx::unotools::b2DPolyPolygonFromXPolyPolygon2D(rPath);
458 4 : aNewClip.transform(getCurrentContext().Transformation);
459 8 : basegfx::B2DPolyPolygon aCurClip = getCurrentContext().Clip;
460 :
461 4 : if( aCurClip.count() ) // #i92985# adapted API from (..., false, false) to (..., true, false)
462 4 : aNewClip = basegfx::tools::clipPolyPolygonOnPolyPolygon( aCurClip, aNewClip, true, false );
463 :
464 8 : getCurrentContext().Clip = aNewClip;
465 4 : }
466 :
467 2 : void PDFIProcessor::hyperLink( const geometry::RealRectangle2D& rBounds,
468 : const OUString& rURI )
469 : {
470 2 : if( !rURI.isEmpty() )
471 : {
472 : HyperlinkElement* pLink = ElementFactory::createHyperlinkElement(
473 : &m_pCurPage->Hyperlinks,
474 2 : rURI );
475 2 : pLink->x = rBounds.X1;
476 2 : pLink->y = rBounds.Y1;
477 2 : pLink->w = rBounds.X2-rBounds.X1;
478 2 : pLink->h = rBounds.Y2-rBounds.Y1;
479 : }
480 2 : }
481 :
482 596 : const FontAttributes& PDFIProcessor::getFont( sal_Int32 nFontId ) const
483 : {
484 596 : IdToFontMap::const_iterator it = m_aIdToFont.find( nFontId );
485 596 : if( it == m_aIdToFont.end() )
486 0 : it = m_aIdToFont.find( 0 );
487 596 : return it->second;
488 : }
489 :
490 319 : sal_Int32 PDFIProcessor::getGCId( const GraphicsContext& rGC )
491 : {
492 319 : sal_Int32 nGCId = 0;
493 319 : GCToIdMap::const_iterator it = m_aGCToId.find( rGC );
494 319 : if( it != m_aGCToId.end() )
495 24 : nGCId = it->second;
496 : else
497 : {
498 295 : m_aGCToId[ rGC ] = m_nNextGCId;
499 295 : m_aIdToGC[ m_nNextGCId ] = rGC;
500 295 : nGCId = m_nNextGCId;
501 295 : m_nNextGCId++;
502 : }
503 :
504 319 : return nGCId;
505 : }
506 :
507 875 : const GraphicsContext& PDFIProcessor::getGraphicsContext( sal_Int32 nGCId ) const
508 : {
509 875 : IdToGCMap::const_iterator it = m_aIdToGC.find( nGCId );
510 875 : if( it == m_aIdToGC.end() )
511 0 : it = m_aIdToGC.find( 0 );
512 875 : return it->second;
513 : }
514 :
515 4 : void PDFIProcessor::endPage()
516 : {
517 4 : processGlyphLine(); // draw last line
518 8 : if( m_xStatusIndicator.is()
519 0 : && m_pCurPage
520 4 : && m_pCurPage->PageNumber == m_nPages
521 : )
522 0 : m_xStatusIndicator->end();
523 4 : }
524 :
525 4 : void PDFIProcessor::startPage( const geometry::RealSize2D& rSize )
526 : {
527 : // initial clip is to page bounds
528 8 : getCurrentContext().Clip = basegfx::B2DPolyPolygon(
529 : basegfx::tools::createPolygonFromRect(
530 4 : basegfx::B2DRange( 0, 0, rSize.Width, rSize.Height )));
531 :
532 4 : sal_Int32 nNextPageNr = m_pCurPage ? m_pCurPage->PageNumber+1 : 1;
533 4 : if( m_xStatusIndicator.is() )
534 : {
535 0 : if( nNextPageNr == 1 )
536 0 : startIndicator( OUString( " " ) );
537 0 : m_xStatusIndicator->setValue( nNextPageNr );
538 : }
539 4 : m_pCurPage = ElementFactory::createPageElement(m_pDocument.get(), nNextPageNr);
540 4 : m_pCurElement = m_pCurPage;
541 4 : m_pCurPage->w = rSize.Width;
542 4 : m_pCurPage->h = rSize.Height;
543 4 : m_nNextZOrder = 1;
544 :
545 :
546 4 : }
547 :
548 4 : void PDFIProcessor::emit( XmlEmitter& rEmitter,
549 : const TreeVisitorFactory& rVisitorFactory )
550 : {
551 : #if OSL_DEBUG_LEVEL > 1
552 : m_pDocument->emitStructure( 0 );
553 : #endif
554 :
555 : ElementTreeVisitorSharedPtr optimizingVisitor(
556 4 : rVisitorFactory.createOptimizingVisitor(*this));
557 : // FIXME: localization
558 4 : startIndicator( OUString( " " ) );
559 4 : m_pDocument->visitedBy( *optimizingVisitor, std::list<Element*>::const_iterator());
560 :
561 : #if OSL_DEBUG_LEVEL > 1
562 : m_pDocument->emitStructure( 0 );
563 : #endif
564 :
565 : // get styles
566 8 : StyleContainer aStyles;
567 : ElementTreeVisitorSharedPtr finalizingVisitor(
568 8 : rVisitorFactory.createStyleCollectingVisitor(aStyles,*this));
569 : // FIXME: localization
570 :
571 4 : m_pDocument->visitedBy( *finalizingVisitor, std::list<Element*>::const_iterator() );
572 :
573 8 : EmitContext aContext( rEmitter, aStyles, m_aImages, *this, m_xStatusIndicator, m_xContext );
574 : ElementTreeVisitorSharedPtr aEmittingVisitor(
575 8 : rVisitorFactory.createEmittingVisitor(aContext));
576 :
577 8 : PropertyMap aProps;
578 : // document prolog
579 : #define OASIS_STR "urn:oasis:names:tc:opendocument:xmlns:"
580 4 : aProps[ "xmlns:office" ] = OASIS_STR "office:1.0" ;
581 4 : aProps[ "xmlns:style" ] = OASIS_STR "style:1.0" ;
582 4 : aProps[ "xmlns:text" ] = OASIS_STR "text:1.0" ;
583 4 : aProps[ "xmlns:svg" ] = OASIS_STR "svg-compatible:1.0" ;
584 4 : aProps[ "xmlns:table" ] = OASIS_STR "table:1.0" ;
585 4 : aProps[ "xmlns:draw" ] = OASIS_STR "drawing:1.0" ;
586 4 : aProps[ "xmlns:fo" ] = OASIS_STR "xsl-fo-compatible:1.0" ;
587 4 : aProps[ "xmlns:xlink"] = "http://www.w3.org/1999/xlink";
588 4 : aProps[ "xmlns:dc"] = "http://purl.org/dc/elements/1.1/";
589 4 : aProps[ "xmlns:number"] = OASIS_STR "datastyle:1.0" ;
590 4 : aProps[ "xmlns:presentation"] = OASIS_STR "presentation:1.0" ;
591 4 : aProps[ "xmlns:math"] = "http://www.w3.org/1998/Math/MathML";
592 4 : aProps[ "xmlns:form"] = OASIS_STR "form:1.0" ;
593 4 : aProps[ "xmlns:script"] = OASIS_STR "script:1.0" ;
594 4 : aProps[ "xmlns:dom"] = "http://www.w3.org/2001/xml-events";
595 4 : aProps[ "xmlns:xforms"] = "http://www.w3.org/2002/xforms";
596 4 : aProps[ "xmlns:xsd"] = "http://www.w3.org/2001/XMLSchema";
597 4 : aProps[ "xmlns:xsi"] = "http://www.w3.org/2001/XMLSchema-instance";
598 4 : aProps[ "office:version" ] = "1.0";
599 :
600 4 : aContext.rEmitter.beginTag( "office:document", aProps );
601 :
602 : // emit style list
603 4 : aStyles.emit( aContext, *aEmittingVisitor );
604 :
605 4 : m_pDocument->visitedBy( *aEmittingVisitor, std::list<Element*>::const_iterator() );
606 4 : aContext.rEmitter.endTag( "office:document" );
607 8 : endIndicator();
608 4 : }
609 :
610 4 : void PDFIProcessor::startIndicator( const OUString& rText, sal_Int32 nElements )
611 : {
612 4 : if( nElements == -1 )
613 4 : nElements = m_nPages;
614 4 : if( m_xStatusIndicator.is() )
615 : {
616 0 : sal_Int32 nUnicodes = rText.getLength();
617 0 : OUStringBuffer aStr( nUnicodes*2 );
618 0 : const sal_Unicode* pText = rText.getStr();
619 0 : for( int i = 0; i < nUnicodes; i++ )
620 : {
621 0 : if( nUnicodes-i > 1&&
622 0 : pText[i] == '%' &&
623 0 : pText[i+1] == 'd'
624 : )
625 : {
626 0 : aStr.append( nElements );
627 0 : i++;
628 : }
629 : else
630 0 : aStr.append( pText[i] );
631 : }
632 0 : m_xStatusIndicator->start( aStr.makeStringAndClear(), nElements );
633 : }
634 4 : }
635 :
636 4 : void PDFIProcessor::endIndicator()
637 : {
638 4 : if( m_xStatusIndicator.is() )
639 0 : m_xStatusIndicator->end();
640 4 : }
641 :
642 91 : static bool lr_tb_sort( Element* pLeft, Element* pRight )
643 : {
644 : // first: top-bottom sorting
645 :
646 : // Note: allow for 10% overlap on text lines since text lines are usually
647 : // of the same order as font height whereas the real paint area
648 : // of text is usually smaller
649 91 : double fudge_factor = 1.0;
650 91 : if( dynamic_cast< TextElement* >(pLeft) || dynamic_cast< TextElement* >(pRight) )
651 0 : fudge_factor = 0.9;
652 :
653 : // if left's lower boundary is above right's upper boundary
654 : // then left is smaller
655 91 : if( pLeft->y+pLeft->h*fudge_factor < pRight->y )
656 27 : return true;
657 : // if right's lower boundary is above left's upper boundary
658 : // then left is definitely not smaller
659 64 : if( pRight->y+pRight->h*fudge_factor < pLeft->y )
660 46 : return false;
661 :
662 : // by now we have established that left and right are inside
663 : // a "line", that is they have vertical overlap
664 : // second: left-right sorting
665 : // if left's right boundary is left to right's left boundary
666 : // then left is smaller
667 18 : if( pLeft->x+pLeft->w < pRight->x )
668 10 : return true;
669 : // if right's right boundary is left to left's left boundary
670 : // then left is definitely not smaller
671 8 : if( pRight->x+pRight->w < pLeft->x )
672 2 : return false;
673 :
674 : // here we have established vertical and horizontal overlap
675 : // so sort left first, top second
676 6 : if( pLeft->x < pRight->x )
677 2 : return true;
678 4 : if( pRight->x < pLeft->x )
679 4 : return false;
680 0 : if( pLeft->y < pRight->y )
681 0 : return true;
682 :
683 0 : return false;
684 : }
685 :
686 4 : void PDFIProcessor::sortElements( Element* pEle, bool bDeep )
687 : {
688 4 : if( pEle->Children.empty() )
689 4 : return;
690 :
691 4 : if( bDeep )
692 : {
693 0 : for( std::list< Element* >::iterator it = pEle->Children.begin();
694 0 : it != pEle->Children.end(); ++it )
695 : {
696 0 : sortElements( *it, bDeep );
697 : }
698 : }
699 : // HACK: the stable sort member on std::list that takes a
700 : // strict weak ordering requires member templates - which we
701 : // do not have on all compilers. so we need to use std::stable_sort
702 : // here - which does need random access iterators which the
703 : // list iterators are not.
704 : // so we need to copy the Element* to an array, stable sort that and
705 : // copy them back.
706 4 : std::vector<Element*> aChildren;
707 41 : while( ! pEle->Children.empty() )
708 : {
709 33 : aChildren.push_back( pEle->Children.front() );
710 33 : pEle->Children.pop_front();
711 : }
712 4 : switch( m_eTextDirection )
713 : {
714 : case LrTb:
715 : default:
716 4 : std::stable_sort( aChildren.begin(), aChildren.end(), lr_tb_sort );
717 4 : break;
718 : }
719 4 : int nChildren = aChildren.size();
720 37 : for( int i = 0; i < nChildren; i++ )
721 37 : pEle->Children.push_back( aChildren[i] );
722 : }
723 :
724 : // helper method: get a mirrored string
725 0 : OUString PDFIProcessor::mirrorString( const OUString& i_rString )
726 : {
727 0 : const sal_Int32 nLen = i_rString.getLength();
728 0 : OUStringBuffer aMirror( nLen );
729 :
730 0 : sal_Int32 i = 0;
731 0 : while(i < nLen)
732 : {
733 : // read one code point
734 0 : const sal_uInt32 nCodePoint = i_rString.iterateCodePoints( &i );
735 :
736 : // and append it mirrored
737 0 : aMirror.appendUtf32( GetMirroredChar(nCodePoint) );
738 : }
739 0 : return aMirror.makeStringAndClear();
740 : }
741 :
742 : }
743 :
744 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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