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#ifndef CROPBOX_ELEMENT_HANDLER_H
#define CROPBOX_ELEMENT_HANDLER_H
#include "AbstractBoxElementHandler.h"
#include "Rectangle.h"
namespace merge_lib
{
//class for processing CropBox field of Page object
class CropBoxElementHandler: public AbstractBoxElementHandler
{
public:
CropBoxElementHandler(Object * page): AbstractBoxElementHandler(page)
{
_setHandlerName("/CropBox");
}
virtual ~CropBoxElementHandler()
{
}
private:
//replace CropBox with BBox
virtual void _changeObjectContent(unsigned int startOfPageElement)
{
Rectangle mediaBox("/CropBox", _page->getObjectContent());
double shiftX = Utils::doubleEquals(mediaBox.x1,0)?0:-mediaBox.x1;
double shiftY = Utils::doubleEquals(mediaBox.y1,0)?0:-mediaBox.y1;
mediaBox.setNewRectangleName("/BBox");
unsigned int endOfElement = _findEndOfElementContent(startOfPageElement);
_page->forgetAboutChildren(startOfPageElement,endOfElement);
_page->eraseContent(startOfPageElement,endOfElement-startOfPageElement);
std::string newContent;
mediaBox.appendRectangleToString(newContent," ");
_page->insertToContent(startOfPageElement, newContent);
std::stringstream matrix;
matrix<<"/Matrix [ 1 0 0 1 "<<shiftX<<" "<< shiftY<<" ]\n";
_page->insertToContent(startOfPageElement, matrix.str());
}
void _pageElementNotFound()
{
_retrieveBoxFromParent();
}
};
}
#endif // CROPBOX_ELEMENT_HANDLER_H