code_app/modules/imgproc/CvxText.hpp

#ifndef __CVXTEXT_H__
#define __CVXTEXT_H__

#include "HGImgProc.h"
#include <ft2build.h>
#include <freetype/freetype.h>
#include <freetype/ftbitmap.h>
#include <freetype/ftoutln.h>
#include <freetype/ftglyph.h>
#include <vector>

class CvxText
{
public:
	CvxText();
	~CvxText();

	HGResult Create(const HGChar *fontPath);
	HGResult Destroy();
	HGResult DrawString(HGImage image, const HGChar* text, HGColor color, HGUInt posType, HGInt locationX, HGInt locationY, 
		HGUInt fontSize, HGBool bold, HGBool underline, HGBool italic, HGBool strikeout);

private:
	void MeasureChar(HGUInt wc, HGUInt fontSize, HGBool bold, HGBool italic, FT_BBox& acbox);
	void GetStringLocation(const HGChar* text, HGUInt fontSize, HGBool bold, HGBool underline, HGBool italic, HGBool strikeout,
		HGUInt &width, HGUInt &height, std::vector<HGRect> &vPos);
	void DrawChar(HGImage image, HGUInt wc, HGColor color, HGInt x, HGInt y, HGUInt fontSize, HGBool bold, HGBool italic);

private:
	FT_Library m_library;
	FT_Face m_face;
};

#endif /* __CVXTEXT_H__ */