/*
// Dao Graphics Engine
// http://www.daovm.net
//
// Copyright (c) 2012-2017, Limin Fu
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
//   this list of conditions and the following disclaimer in the documentation
//   and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
// SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
// OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/


#ifndef __DAO_FONT_H__
#define __DAO_FONT_H__

#include "dao_path.h"
#include "daoStdtype.h"
#include "stb_truetype.h"


typedef stbtt_fontinfo  DFontInfo;

typedef struct DaoxGlyph  DaoxGlyph;
typedef struct DaoxFont   DaoxFont;



struct DaoxGlyph
{
	DAO_CSTRUCT_COMMON;

	size_t  codepoint;

	int  advanceWidth;
	int  leftSideBearing;

	DaoxPath  *shape;
};
extern DaoType* daox_type_glyph;

DaoxGlyph* DaoxGlyph_New( DaoVmSpace *vmspace );
void DaoxGlyph_Delete( DaoxGlyph *self );




struct DaoxFont
{
	DAO_CSTRUCT_COMMON;

	DFontInfo  info;
	DString   *buffer;
	DMap      *glyphs;  /* Codepoint to glyph; */

	int  ascent;
	int  descent;
	int  fontHeight;
	int  lineSpace;
};
extern DaoType* daox_type_font;


DaoxFont* DaoxFont_New( DaoVmSpace *vmspace );
int DaoxFont_Init( DaoxFont *self, DString *ttfData );

DaoxGlyph* DaoxFont_GetGlyph( DaoxFont *self, size_t codepoint );

DaoxFont* DaoxFont_GetDefault();


#endif