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77 lines
2.8 KiB
77 lines
2.8 KiB
/*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "AnnotsHandler.h"
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#include "core/memcheck.h"
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using namespace merge_lib;
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void AnnotsHandler::_processObjectContent(unsigned int startOfPageElement)
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{
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unsigned int endOfAnnots = _findEndOfElementContent(startOfPageElement);
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_annotations = _page->getSortedByPositionChildren(startOfPageElement, endOfAnnots);
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// sometimes annotations array is defined not directly in page object content but
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// in referred object.
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// Example:
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// /Annots 12 0 R
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// ...
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// 12 0 obj[ 13 0 R 14 0 R] endobj
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// So in this case _annotations contains one element which content is array of annotation
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// references.
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// lets check the content if it is really annotation object
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if( _annotations.size() )
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{
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Object * child = _annotations[0];
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std::string childContent = child->getObjectContent();
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if((int) Parser::findToken(childContent,"/Rect") == -1 &&
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(int)Parser::findToken(childContent,"/Subtype") == -1 )
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{
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// this was not Annotation but reference to array
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// of annotations
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_annotations.erase(_annotations.begin(),_annotations.end());
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size_t begin = 0;
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size_t end = childContent.size()-1;
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_annotations = child->getSortedByPositionChildren(begin,end);
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// lets update the parent in order to skip this intermediate child
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// For now it seems to be not needed, but code below is working
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// it is pity to delete
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/*
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_page->removeChild(child);
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_page->eraseContent(startOfPageElement,endOfAnnots-startOfPageElement);
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std::string annotTag= "/Annots [";
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_page->insertToContent(startOfPageElement,annotTag);
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size_t pos = startOfPageElement + annotTag.size();
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for(size_t i = 0;i<_annotations.size();i++)
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{
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std::stringstream newContent;
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newContent<<_annotations[i]->getObjectNumber()<<" 0 R ";
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std::vector<unsigned int> posVec;
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posVec.push_back(pos);
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_page->insertToContent(pos,newContent.str());
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_page->addChild(_annotations[i],posVec);
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pos += newContent.str().size();
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}
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_page->insertToContent(pos," ]\n");
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*/
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}
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}
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}
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