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#ifndef _VSD_ELEMENT_LIST_PREPROCESSOR_H_INCLUDED_
#define _VSD_ELEMENT_LIST_PREPROCESSOR_H_INCLUDED_
#include "SvgSpan.h"
#include "VSDOutputElementList.h"
#include <vector>
class SvgDC;
class SvgTextObjectC;
namespace libvisio
{
class VSDStyleOutputElement;
class VSDPathOutputElement;
}
/**
* Pre-processes a specified list of VSD output elements before they are rendered to the output
* SVG document. The purpose is to calculate additional data related to the elements and make it
* available to the renderer, so that the resulting SVG is the closest possible match of the
* original. In particular, text aligment and wrapping within parent text boxes are addressed here.
* Preprocessing produces a new element list, which in comparison to the input one may add new
* elements, remove existing ones, or add or modify properties of other elements.
*/
class VsdElementListPreprocessorC
{
public:
typedef std::vector<libvisio::VSDOutputElement *> ElementListTp;
typedef ElementListTp::iterator ElementListItTp;
typedef ElementListTp::const_iterator ElementListConstItTp;
void Process(const ElementListTp &elements, ElementListTp &outElements);
private:
ElementListConstItTp ProcessTextObject(
ElementListConstItTp startIt, ElementListConstItTp endIt, ElementListTp &outElements,
SvgDC &dc);
ElementListConstItTp ProcessTextObjectOnePass(
ElementListConstItTp startIt, ElementListConstItTp endIt,
ElementListTp &outElements, SvgTextObjectC *pTextObject);
ElementListConstItTp ProcessParagraph(
ElementListConstItTp startIt, ElementListConstItTp endIt,
ElementListTp &outElements, SvgTextObjectC *pTextObject);
ElementListConstItTp ProcessUnorderedList(
ElementListConstItTp startIt, ElementListConstItTp endIt,
ElementListTp &outElements, SvgTextObjectC *pTextObject);
ElementListConstItTp ProcessListElement(
ElementListConstItTp startIt, ElementListConstItTp endIt,
ElementListTp &outElements, SvgTextObjectC *pTextObject);
ElementListConstItTp ProcessSpan(
ElementListConstItTp startIt, ElementListConstItTp endIt,
ElementListTp &outElements, SvgTextObjectC *pTextObject);
void GenerateSpans(
const SpansTp &spans, ElementListTp &outElements, SvgTextObjectC *pTextObject);
libvisio::VSDStyleOutputElement *CreateStyleOutput(const std::string &fillColor);
libvisio::VSDPathOutputElement *CreateRectPathOutput(
double x1Inch, double y1Inch, double x2Inch, double y2Inch);
};
#endif // _VSD_ELEMENT_LIST_PREPROCESSOR_H_INCLUDED_
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