53 lines
1.6 KiB
53 lines
1.6 KiB
14 years ago
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#if !defined MediaBoxElementHandler_h
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#define MediaBoxElementHandler_h
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#include "AbstractBoxElementHandler.h"
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#include "RemoveHimSelfHandler.h"
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#include <memory>
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namespace merge_lib
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{
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//class for processing MediaBox field of Page object
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class MediaBoxElementHandler: public AbstractBoxElementHandler
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{
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public:
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MediaBoxElementHandler(Object * page): AbstractBoxElementHandler(page)
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{
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_setHandlerName("/MediaBox");
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}
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virtual ~MediaBoxElementHandler()
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{
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}
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private:
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//replace MediaBox with BBox
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virtual void _changeObjectContent(unsigned int startOfPageElement)
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{
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if(_wasCropBoxHandlerCalled())
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{
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PageElementHandler * tempNextHandler = _nextHandler;
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_nextHandler = new RemoveHimselfHandler(_page, _handlerName);
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_nextHandler->addNextHandler(tempNextHandler);
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return;
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}
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_page->eraseContent(startOfPageElement, _handlerName.size());
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static std::string bbox("/BBox");
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static std::string matrix("/Matrix [ 1 0 0 1 0 0 ]\n");
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_page->insertToContent(startOfPageElement, bbox);
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_page->insertToContent(startOfPageElement, matrix);
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}
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void _pageElementNotFound()
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{
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if(_wasCropBoxHandlerCalled())
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return;
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_retrieveBoxFromParent();
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}
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bool _wasCropBoxHandlerCalled()
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{
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return (_page->getObjectContent().find("/BBox") != std::string::npos) ? true : false;
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}
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};
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}
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#endif
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