///////////////////////////////////////////////////////////////////////////////
//
//                          IMPORTANT NOTICE
//
// The following open source license statement does not apply to any
// entity in the Exception List published by FMSoft.
//
// For more information, please visit:
//
// https://www.fmsoft.cn/exception-list
//
//////////////////////////////////////////////////////////////////////////////
/*
 *   This file is part of MiniGUI, a mature cross-platform windowing 
 *   and Graphics User Interface (GUI) support system for embedded systems
 *   and smart IoT devices.
 * 
 *   Copyright (C) 2002~2018, Beijing FMSoft Technologies Co., Ltd.
 *   Copyright (C) 1998~2002, WEI Yongming
 * 
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 * 
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 * 
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 * 
 *   Or,
 * 
 *   As this program is a library, any link to this program must follow
 *   GNU General Public License version 3 (GPLv3). If you cannot accept
 *   GPLv3, you need to be licensed from FMSoft.
 * 
 *   If you have got a commercial license of this program, please use it
 *   under the terms and conditions of the commercial license.
 * 
 *   For more information about the commercial license, please refer to
 *   <http://www.minigui.com/en/about/licensing-policy/>.
 */
/*
** qpf.h: the head file of Qt Prerendered Font operation set.
**
** Create date: 2003/01/28
*/

#ifndef GUI_FONT_QPF_H
    #define GUI_FONT_QPF_H

#ifdef __cplusplus
extern "C" {
#endif  /* __cplusplus */

#define FLAG_MODE_SMOOTH   1

typedef struct _QPF_GLYPHMETRICS {
    Uint8 linestep;
    Uint8 width;
    Uint8 height;
    Uint8 padding;

    Sint8 bearingx;     /* Difference from pen position to glyph's left bbox */
    Uint8 advance;      /* Difference between pen positions */
    Sint8 bearingy;     /* Used for putting characters on baseline */

    Sint8 reserved;     /* Do not use */
} QPF_GLYPHMETRICS;

typedef struct _QPF_GLYPH
{
    const QPF_GLYPHMETRICS* metrics;
    const unsigned char* data;
} QPF_GLYPH;

typedef struct _QPF_GLYPHTREE
{
    unsigned int min, max;
    struct _QPF_GLYPHTREE* less;
    struct _QPF_GLYPHTREE* more;
    QPF_GLYPH* glyph;
#ifdef _MGINCORE_RES
    const QPF_GLYPHMETRICS* metrics;
    const unsigned char* data;
#endif
} QPF_GLYPHTREE;

#ifdef __GNUC__
typedef struct __attribute__ ((packed)) _QPFMETRICS
#elif WIN32
#pragma pack(8)
typedef struct _QPFMETRICS
#else
#   warning /* XXX: Please make sure sizeof(QPFMETRICS) == 10 */
typedef struct _QPFMETRICS
#endif
{
    Sint8 ascent, descent;
    Sint8 leftbearing, rightbearing;

    Uint8 maxwidth;
    Sint8 leading;
    Uint8 flags;
    Uint8 underlinepos;

    Uint8 underlinewidth;
    Uint8 reserved;
} QPFMETRICS;
#ifdef WIN32
#pragma pack()
#endif

typedef struct 
{
    unsigned int height;
    unsigned int width;

    unsigned int file_size;
    QPFMETRICS* fm;

    QPF_GLYPHTREE* tree;
} QPFINFO;

#ifdef __cplusplus
}
#endif  /* __cplusplus */

#endif /* GUI_FONT_QPF_H */


