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52 lines
1.6 KiB
52 lines
1.6 KiB
#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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