#ifndef FT2_PRIVATE_H__
#define FT2_PRIVATE_H__

// anything should work, but I recommend multiples of 8
// since the texture size should be a power of 2
#define FONT_CHARS_PER_LINE 16
#define FONT_CHAR_LINES 16
#define FONT_CHARS_PER_MAP (FONT_CHARS_PER_LINE * FONT_CHAR_LINES)

typedef struct glyph_slot_s
{
	qbool image;
	// we keep the quad coords here only currently
	// if you need other info, make Font_LoadMapForIndex fill it into this slot
	float txmin; // texture coordinate in [0,1]
	float txmax;
	float tymin;
	float tymax;
	float vxmin;
	float vxmax;
	float vymin;
	float vymax;
	float advance_x;
	float advance_y;
} glyph_slot_t;

struct ft2_font_map_s
{
	Uchar                  start;
	struct ft2_font_map_s *next;
	float                  size;
	// the actual size used in the freetype code
	// by convention, the requested size is the height of the font's bounding box.
	float                  intSize;
	int                    glyphSize;

	cachepic_t            *pic;
	qbool               static_tex;
	glyph_slot_t           glyphs[FONT_CHARS_PER_MAP];

	// contains the kerning information for the first 256 characters
	// for the other characters, we will lookup the kerning information
	ft2_kerning_t          kerning;
	// safes us the trouble of calculating these over and over again
	double                 sfx, sfy;

	// the width_of for the image-font, pixel-snapped for this size
	float           width_of[256];
};

struct ft2_attachment_s
{
	const unsigned char *data;
	fs_offset_t    size;
};

//qbool Font_LoadMapForIndex(ft2_font_t *font, Uchar _ch, ft2_font_map_t **outmap);
qbool Font_LoadMapForIndex(ft2_font_t *font, int map_index, Uchar _ch, ft2_font_map_t **outmap);

void font_start(void);
void font_shutdown(void);
void font_newmap(void);

#endif // FT2_PRIVATE_H__
