#ifndef _FONT_H
#define _FONT_H

#include "common.h"
#include "vector.h"

#include <ft2build.h>
#include <freetype/freetype.h>
#include <freetype/ftglyph.h>
#include <freetype/ftoutln.h>
#include <freetype/fttrigon.h>

class FontBase
{
protected:
	bool is_valid;
	Vector4 color;
public:
	FontBase(): is_valid(false), color(1.0,1.0,1.0,1.0) {}
	FontBase(const char *file): is_valid(true) {}

	virtual bool IsValid() {return is_valid;}						// your everyday IsValid function, false if there's a problem
	virtual void Color(const Vector4 &color) {this->color=color;}	// set the rendering color
	virtual Vector4 Color() {return color;}							// get the rendering color
	virtual void Render(int x,int y,const char *text)=0;			// render the text at a screenspace location
};

class TrueTypeFont: public FontBase
{
protected:
	float pt;
	FT_Face face;

	friend class FontOpenGL;
	friend class FontD3D9;
public:
	TrueTypeFont(): FontBase() {}
	TrueTypeFont(const char *file,int pt); // this constructor loads a truetype/freetype font
	~TrueTypeFont();

	virtual void Render(int x,int y,const char *text) {} // devirtualize the render function, but no direct surface rendering
};

#endif