/src/compiler/android-ndk/jni/freetype/include/freetype/freetype.h

/***************************************************************************/
/*                                                                         */
/*  freetype.h                                                             */
/*                                                                         */
/*    FreeType high-level API and common types (specification only).       */
/*                                                                         */
/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,   */
/*            2010 by                                                      */
/*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#ifndef FT_FREETYPE_H
#error "`ft2build.h' hasn't been included yet!"
#error "Please always use macros to include FreeType header files."
#error "Example:"
#error "  #include <ft2build.h>"
#error "  #include FT_FREETYPE_H"
#endif


#ifndef __FREETYPE_H__
#define __FREETYPE_H__


#include <ft2build.h>
#include FT_CONFIG_CONFIG_H
#include FT_ERRORS_H
#include FT_TYPES_H


FT_BEGIN_HEADER



  /*************************************************************************/
  /*                                                                       */
  /* <Section>                                                             */
  /*    user_allocation                                                    */
  /*                                                                       */
  /* <Title>                                                               */
  /*    User allocation                                                    */
  /*                                                                       */
  /* <Abstract>                                                            */
  /*    How client applications should allocate FreeType data structures.  */
  /*                                                                       */
  /* <Description>                                                         */
  /*    FreeType assumes that structures allocated by the user and passed  */
  /*    as arguments are zeroed out except for the actual data.  In other  */
  /*    words, it is recommended to use `calloc' (or variants of it)       */
  /*    instead of `malloc' for allocation.                                */
  /*                                                                       */
  /*************************************************************************/



  /*************************************************************************/
  /*************************************************************************/
  /*                                                                       */
  /*                        B A S I C   T Y P E S                          */
  /*                                                                       */
  /*************************************************************************/
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Section>                                                             */
  /*    base_interface                                                     */
  /*                                                                       */
  /* <Title>                                                               */
  /*    Base Interface                                                     */
  /*                                                                       */
  /* <Abstract>                                                            */
  /*    The FreeType~2 base font interface.                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*    This section describes the public high-level API of FreeType~2.    */
  /*                                                                       */
  /* <Order>                                                               */
  /*    FT_Library                                                         */
  /*    FT_Face                                                            */
  /*    FT_Size                                                            */
  /*    FT_GlyphSlot                                                       */
  /*    FT_CharMap                                                         */
  /*    FT_Encoding                                                        */
  /*                                                                       */
  /*    FT_FaceRec                                                         */
  /*                                                                       */
  /*    FT_FACE_FLAG_SCALABLE                                              */
  /*    FT_FACE_FLAG_FIXED_SIZES                                           */
  /*    FT_FACE_FLAG_FIXED_WIDTH                                           */
  /*    FT_FACE_FLAG_HORIZONTAL                                            */
  /*    FT_FACE_FLAG_VERTICAL                                              */
  /*    FT_FACE_FLAG_SFNT                                                  */
  /*    FT_FACE_FLAG_KERNING                                               */
  /*    FT_FACE_FLAG_MULTIPLE_MASTERS                                      */
  /*    FT_FACE_FLAG_GLYPH_NAMES                                           */
  /*    FT_FACE_FLAG_EXTERNAL_STREAM                                       */
  /*    FT_FACE_FLAG_FAST_GLYPHS                                           */
  /*    FT_FACE_FLAG_HINTER                                                */
  /*                                                                       */
  /*    FT_STYLE_FLAG_BOLD                                                 */
  /*    FT_STYLE_FLAG_ITALIC                                               */
  /*                                                                       */
  /*    FT_SizeRec                                                         */
  /*    FT_Size_Metrics                                                    */
  /*                                                                       */
  /*    FT_GlyphSlotRec                                                    */
  /*    FT_Glyph_Metrics                                                   */
  /*    FT_SubGlyph                                                        */
  /*                                                                       */
  /*    FT_Bitmap_Size                                                     */
  /*                                                                       */
  /*    FT_Init_FreeType                                                   */
  /*    FT_Done_FreeType                                                   */
  /*                                                                       */
  /*    FT_New_Face                                                        */
  /*    FT_Done_Face                                                       */
  /*    FT_New_Memory_Face                                                 */
  /*    FT_Open_Face                                                       */
  /*    FT_Open_Args                                                       */
  /*    FT_Parameter                                                       */
  /*    FT_Attach_File                                                     */
  /*    FT_Attach_Stream                                                   */
  /*                                                                       */
  /*    FT_Set_Char_Size                                                   */
  /*    FT_Set_Pixel_Sizes                                                 */
  /*    FT_Request_Size                                                    */
  /*    FT_Select_Size                                                     */
  /*    FT_Size_Request_Type                                               */
  /*    FT_Size_Request                                                    */
  /*    FT_Set_Transform                                                   */
  /*    FT_Load_Glyph                                                      */
  /*    FT_Get_Char_Index                                                  */
  /*    FT_Get_Name_Index                                                  */
  /*    FT_Load_Char                                                       */
  /*                                                                       */
  /*    FT_OPEN_MEMORY                                                     */
  /*    FT_OPEN_STREAM                                                     */
  /*    FT_OPEN_PATHNAME                                                   */
  /*    FT_OPEN_DRIVER                                                     */
  /*    FT_OPEN_PARAMS                                                     */
  /*                                                                       */
  /*    FT_LOAD_DEFAULT                                                    */
  /*    FT_LOAD_RENDER                                                     */
  /*    FT_LOAD_MONOCHROME                                                 */
  /*    FT_LOAD_LINEAR_DESIGN                                              */
  /*    FT_LOAD_NO_SCALE                                                   */
  /*    FT_LOAD_NO_HINTING                                                 */
  /*    FT_LOAD_NO_BITMAP                                                  */
  /*    FT_LOAD_CROP_BITMAP                                                */
  /*                                                                       */
  /*    FT_LOAD_VERTICAL_LAYOUT                                            */
  /*    FT_LOAD_IGNORE_TRANSFORM                                           */
  /*    FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH                                */
  /*    FT_LOAD_FORCE_AUTOHINT                                             */
  /*    FT_LOAD_NO_RECURSE                                                 */
  /*    FT_LOAD_PEDANTIC                                                   */
  /*                                                                       */
  /*    FT_LOAD_TARGET_NORMAL                                              */
  /*    FT_LOAD_TARGET_LIGHT                                               */
  /*    FT_LOAD_TARGET_MONO                                                */
  /*    FT_LOAD_TARGET_LCD                                                 */
  /*    FT_LOAD_TARGET_LCD_V                                               */
  /*                                                                       */
  /*    FT_Render_Glyph                                                    */
  /*    FT_Render_Mode                                                     */
  /*    FT_Get_Kerning                                                     */
  /*    FT_Kerning_Mode                                                    */
  /*    FT_Get_Track_Kerning                                               */
  /*    FT_Get_Glyph_Name                                                  */
  /*    FT_Get_Postscript_Name                                             */
  /*                                                                       */
  /*    FT_CharMapRec                                                      */
  /*    FT_Select_Charmap                                                  */
  /*    FT_Set_Charmap                                                     */
  /*    FT_Get_Charmap_Index                                               */
  /*                                                                       */
  /*    FT_FSTYPE_INSTALLABLE_EMBEDDING                                    */
  /*    FT_FSTYPE_RESTRICTED_LICENSE_EMBEDDING                             */
  /*    FT_FSTYPE_PREVIEW_AND_PRINT_EMBEDDING                              */
  /*    FT_FSTYPE_EDITABLE_EMBEDDING                                       */
  /*    FT_FSTYPE_NO_SUBSETTING                                            */
  /*    FT_FSTYPE_BITMAP_EMBEDDING_ONLY                                    */
  /*                                                                       */
  /*    FT_Get_FSType_Flags                                                */
  /*                                                                       */
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    FT_Glyph_Metrics                                                   */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A structure used to model the metrics of a single glyph.  The      */
  /*    values are expressed in 26.6 fractional pixel format; if the flag  */
  /*    @FT_LOAD_NO_SCALE has been used while loading the glyph, values    */
  /*    are expressed in font units instead.                               */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    width ::                                                           */
  /*      The glyph's width.                                               */
  /*                                                                       */
  /*    height ::                                                          */
  /*      The glyph's height.                                              */
  /*                                                                       */
  /*    horiBearingX ::                                                    */
  /*      Left side bearing for horizontal layout.                         */
  /*                                                                       */
  /*    horiBearingY ::                                                    */
  /*      Top side bearing for horizontal layout.                          */
  /*                                                                       */
  /*    horiAdvance ::                                                     */
  /*      Advance width for horizontal layout.                             */
  /*                                                                       */
  /*    vertBearingX ::                                                    */
  /*      Left side bearing for vertical layout.                           */
  /*                                                                       */
  /*    vertBearingY ::                                                    */
  /*      Top side bearing for vertical layout.                            */
  /*                                                                       */
  /*    vertAdvance ::                                                     */
  /*      Advance height for vertical layout.                              */
  /*                                                                       */
  /* <Note>                                                                */
  /*    If not disabled with @FT_LOAD_NO_HINTING, the values represent     */
  /*    dimensions of the hinted glyph (in case hinting is applicable).    */
  /*                                                                       */
  typedef struct  FT_Glyph_Metrics_
  {
    FT_Pos  width;
    FT_Pos  height;

    FT_Pos  horiBearingX;
    FT_Pos  horiBearingY;
    FT_Pos  horiAdvance;

    FT_Pos  vertBearingX;
    FT_Pos  vertBearingY;
    FT_Pos  vertAdvance;

  } FT_Glyph_Metrics;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    FT_Bitmap_Size                                                     */
  /*                                                                       */
  /* <Description>                                                         */
  /*    This structure models the metrics of a bitmap strike (i.e., a set  */
  /*    of glyphs for a given point size and resolution) in a bitmap font. */
  /*    It is used for the `available_sizes' field of @FT_Face.            */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    height :: The vertical distance, in pixels, between two            */
  /*              consecutive baselines.  It is always positive.           */
  /*                                                                       */
  /*    width  :: The average width, in pixels, of all glyphs in the       */
  /*              strike.                                                  */
  /*                                                                       */
  /*    size   :: The nominal size of the strike in 26.6 fractional        */
  /*              points.  This field is not very useful.                  */
  /*                                                                       */
  /*    x_ppem :: The horizontal ppem (nominal width) in 26.6 fractional   */
  /*              pixels.                                                  */
  /*                                                                       */
  /*    y_ppem :: The vertical ppem (nominal height) in 26.6 fractional    */
  /*              pixels.                                                  */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Windows FNT:                                                       */
  /*      The nominal size given in a FNT font is not reliable.  Thus when */
  /*      the driver finds it incorrect, it sets `size' to some calculated */
  /*      values and sets `x_ppem' and `y_ppem' to the pixel width and     */
  /*      height given in the font, respectively.                          */
  /*                                                                       */
  /*    TrueType embedded bitmaps:                                         */
  /*      `size', `width', and `height' values are not contained in the    */
  /*      bitmap strike itself.  They are computed from the global font    */
  /*      parameters.                                                      */
  /*                                                                       */
  typedef struct  FT_Bitmap_Size_
  {
    FT_Short  height;
    FT_Short  width;

    FT_Pos    size;

    FT_Pos    x_ppem;
    FT_Pos    y_ppem;

  } FT_Bitmap_Size;


  /*************************************************************************/
  /*************************************************************************/
  /*                                                                       */
  /*                     O B J E C T   C L A S S E S                       */
  /*                                                                       */
  /*************************************************************************/
  /*************************************************************************/

  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Library                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a FreeType library instance.  Each `library' is        */
  /*    completely independent from the others; it is the `root' of a set  */
  /*    of objects like fonts, faces, sizes, etc.                          */
  /*                                                                       */
  /*    It also embeds a memory manager (see @FT_Memory), as well as a     */
  /*    scan-line converter object (see @FT_Raster).                       */
  /*                                                                       */
  /*    For multi-threading applications each thread should have its own   */
  /*    FT_Library object.                                                 */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Library objects are normally created by @FT_Init_FreeType, and     */
  /*    destroyed with @FT_Done_FreeType.                                  */
  /*                                                                       */
  typedef struct FT_LibraryRec_  *FT_Library;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Module                                                          */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given FreeType module object.  Each module can be a  */
  /*    font driver, a renderer, or anything else that provides services   */
  /*    to the formers.                                                    */
  /*                                                                       */
  typedef struct FT_ModuleRec_*  FT_Module;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Driver                                                          */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given FreeType font driver object.  Each font driver */
  /*    is a special module capable of creating faces from font files.     */
  /*                                                                       */
  typedef struct FT_DriverRec_*  FT_Driver;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Renderer                                                        */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given FreeType renderer.  A renderer is a special    */
  /*    module in charge of converting a glyph image to a bitmap, when     */
  /*    necessary.  Each renderer supports a given glyph image format, and */
  /*    one or more target surface depths.                                 */
  /*                                                                       */
  typedef struct FT_RendererRec_*  FT_Renderer;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Face                                                            */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given typographic face object.  A face object models */
  /*    a given typeface, in a given style.                                */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Each face object also owns a single @FT_GlyphSlot object, as well  */
  /*    as one or more @FT_Size objects.                                   */
  /*                                                                       */
  /*    Use @FT_New_Face or @FT_Open_Face to create a new face object from */
  /*    a given filepathname or a custom input stream.                     */
  /*                                                                       */
  /*    Use @FT_Done_Face to destroy it (along with its slot and sizes).   */
  /*                                                                       */
  /* <Also>                                                                */
  /*    See @FT_FaceRec for the publicly accessible fields of a given face */
  /*    object.                                                            */
  /*                                                                       */
  typedef struct FT_FaceRec_*  FT_Face;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Size                                                            */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to an object used to model a face scaled to a given       */
  /*    character size.                                                    */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Each @FT_Face has an _active_ @FT_Size object that is used by      */
  /*    functions like @FT_Load_Glyph to determine the scaling             */
  /*    transformation which is used to load and hint glyphs and metrics.  */
  /*                                                                       */
  /*    You can use @FT_Set_Char_Size, @FT_Set_Pixel_Sizes,                */
  /*    @FT_Request_Size or even @FT_Select_Size to change the content     */
  /*    (i.e., the scaling values) of the active @FT_Size.                 */
  /*                                                                       */
  /*    You can use @FT_New_Size to create additional size objects for a   */
  /*    given @FT_Face, but they won't be used by other functions until    */
  /*    you activate it through @FT_Activate_Size.  Only one size can be   */
  /*    activated at any given time per face.                              */
  /*                                                                       */
  /* <Also>                                                                */
  /*    See @FT_SizeRec for the publicly accessible fields of a given size */
  /*    object.                                                            */
  /*                                                                       */
  typedef struct FT_SizeRec_*  FT_Size;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_GlyphSlot                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given `glyph slot'.  A slot is a container where it  */
  /*    is possible to load any of the glyphs contained in its parent      */
  /*    face.                                                              */
  /*                                                                       */
  /*    In other words, each time you call @FT_Load_Glyph or               */
  /*    @FT_Load_Char, the slot's content is erased by the new glyph data, */
  /*    i.e., the glyph's metrics, its image (bitmap or outline), and      */
  /*    other control information.                                         */
  /*                                                                       */
  /* <Also>                                                                */
  /*    See @FT_GlyphSlotRec for the publicly accessible glyph fields.     */
  /*                                                                       */
  typedef struct FT_GlyphSlotRec_*  FT_GlyphSlot;


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_CharMap                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A handle to a given character map.  A charmap is used to translate */
  /*    character codes in a given encoding into glyph indexes for its     */
  /*    parent's face.  Some font formats may provide several charmaps per */
  /*    font.                                                              */
  /*                                                                       */
  /*    Each face object owns zero or more charmaps, but only one of them  */
  /*    can be `active' and used by @FT_Get_Char_Index or @FT_Load_Char.   */
  /*                                                                       */
  /*    The list of available charmaps in a face is available through the  */
  /*    `face->num_charmaps' and `face->charmaps' fields of @FT_FaceRec.   */
  /*                                                                       */
  /*    The currently active charmap is available as `face->charmap'.      */
  /*    You should call @FT_Set_Charmap to change it.                      */
  /*                                                                       */
  /* <Note>                                                                */
  /*    When a new face is created (either through @FT_New_Face or         */
  /*    @FT_Open_Face), the library looks for a Unicode charmap within     */
  /*    the list and automatically activates it.                           */
  /*                                                                       */
  /* <Also>                                                                */
  /*    See @FT_CharMapRec for the publicly accessible fields of a given   */
  /*    character map.                                                     */
  /*                                                                       */
  typedef struct FT_CharMapRec_*  FT_CharMap;


  /*************************************************************************/
  /*                                                                       */
  /* <Macro>                                                               */
  /*    FT_ENC_TAG                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    This macro converts four-letter tags into an unsigned long.  It is */
  /*    used to define `encoding' identifiers (see @FT_Encoding).          */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Since many 16-bit compilers don't like 32-bit enumerations, you    */
  /*    should redefine this macro in case of problems to something like   */
  /*    this:                                                              */
  /*                                                                       */
  /*    {                                                                  */
  /*      #define FT_ENC_TAG( value, a, b, c, d )  value                   */
  /*    }                                                                  */
  /*                                                                       */
  /*    to get a simple enumeration without assigning special numbers.     */
  /*                                                                       */

#ifndef FT_ENC_TAG
#define FT_ENC_TAG( value, a, b, c, d )         \
          value = ( ( (FT_UInt32)(a) << 24 ) |  \
                    ( (FT_UInt32)(b) << 16 ) |  \
                    ( (FT_UInt32)(c) <<  8 ) |  \
                      (FT_UInt32)(d)         )

#endif /* FT_ENC_TAG */


  /*************************************************************************/
  /*                                                                       */
  /* <Enum>                                                                */
  /*    FT_Encoding                                                        */
  /*                                                                       */
  /* <Description>                                                         */
  /*    An enumeration used to specify character sets supported by         */
  /*    charmaps.  Used in the @FT_Select_Charmap API function.            */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Despite the name, this enumeration lists specific character        */
  /*    repertories (i.e., charsets), and not text encoding methods (e.g., */
  /*    UTF-8, UTF-16, etc.).                                              */
  /*                                                                       */
  /*    Other encodings might be defined in the future.                    */
  /*                                                                       */
  /* <Values>                                                              */
  /*    FT_ENCODING_NONE ::                                                */
  /*      The encoding value~0 is reserved.                                */
  /*                                                                       */
  /*    FT_ENCODING_UNICODE ::                                             */
  /*      Corresponds to the Unicode character set.  This value covers     */
  /*      all versions of the Unicode repertoire, including ASCII and      */
  /*      Latin-1.  Most fonts include a Unicode charmap, but not all      */
  /*      of them.                                                         */
  /*                                                                       */
  /*      For example, if you want to access Unicode value U+1F028 (and    */
  /*      the font contains it), use value 0x1F028 as the input value for  */
  /*      @FT_Get_Char_Index.                                              */
  /*                                                                       */
  /*    FT_ENCODING_MS_SYMBOL ::                                           */
  /*      Corresponds to the Microsoft Symbol encoding, used to encode     */
  /*      mathematical symbols in the 32..255 character code range.  For   */
  /*      more information, see `http://www.ceviz.net/symbol.htm'.         */
  /*                                                                       */
  /*    FT_ENCODING_SJIS ::                                                */
  /*      Corresponds to Japanese SJIS encoding.  More info at             */
  /*      at `http://langsupport.japanreference.com/encoding.shtml'.       */
  /*      See note on multi-byte encodings below.                          */
  /*                                                                       */
  /*    FT_ENCODING_GB2312 ::                                              */
  /*      Corresponds to an encoding system for Simplified Chinese as used */
  /*      used in mainland China.                                          */
  /*                                                                       */
  /*    FT_ENCODING_BIG5 ::                                                */
  /*      Corresponds to an encoding system for Traditional Chinese as     */
  /*      used in Taiwan and Hong Kong.                                    */
  /*                                                                       */
  /*    FT_ENCODING_WANSUNG ::                                             */
  /*      Corresponds to the Korean encoding system known as Wansung.      */
  /*      For more information see                                         */
  /*      `http://www.microsoft.com/typography/unicode/949.txt'.           */
  /*                                                                       */
  /*    FT_ENCODING_JOHAB ::                                               */
  /*      The Korean standard character set (KS~C 5601-1992), which        */
  /*      corresponds to MS Windows code page 1361.  This character set    */
  /*      includes all possible Hangeul character combinations.            */
  /*                                                                       */
  /*    FT_ENCODING_ADOBE_LATIN_1 ::                                       */
  /*      Corresponds to a Latin-1 encoding as defined in a Type~1         */
  /*      PostScript font.  It is limited to 256 character codes.          */
  /*                                                                       */
  /*    FT_ENCODING_ADOBE_STANDARD ::                                      */
  /*      Corresponds to the Adobe Standard encoding, as found in Type~1,  */
  /*      CFF, and OpenType/CFF fonts.  It is limited to 256 character     */
  /*      codes.                                                           */
  /*                                                                       */
  /*    FT_ENCODING_ADOBE_EXPERT ::                                        */
  /*      Corresponds to the Adobe Expert encoding, as found in Type~1,    */
  /*      CFF, and OpenType/CFF fonts.  It is limited to 256 character     */
  /*      codes.                                                           */
  /*                                                                       */
  /*    FT_ENCODING_ADOBE_CUSTOM ::                                        */
  /*      Corresponds to a custom encoding, as found in Type~1, CFF, and   */
  /*      OpenType/CFF fonts.  It is limited to 256 character codes.       */
  /*                                                                       */
  /*    FT_ENCODING_APPLE_ROMAN ::                                         */
  /*      Corresponds to the 8-bit Apple roman encoding.  Many TrueType    */
  /*      and OpenType fonts contain a charmap for this encoding, since    */
  /*      older versions of Mac OS are able to use it.                     */
  /*                                                                       */
  /*    FT_ENCODING_OLD_LATIN_2 ::                                         */
  /*      This value is deprecated and was never used nor reported by      */
  /*      FreeType.  Don't use or test for it.                             */
  /*                                                                       */
  /*    FT_ENCODING_MS_SJIS ::                                             */
  /*      Same as FT_ENCODING_SJIS.  Deprecated.                           */
  /*                                                                       */
  /*    FT_ENCODING_MS_GB2312 ::                                           */
  /*      Same as FT_ENCODING_GB2312.  Deprecated.                         */
  /*                                                                       */
  /*    FT_ENCODING_MS_BIG5 ::                                             */
  /*      Same as FT_ENCODING_BIG5.  Deprecated.                           */
  /*                                                                       */
  /*    FT_ENCODING_MS_WANSUNG ::                                          */
  /*      Same as FT_ENCODING_WANSUNG.  Deprecated.                        */
  /*                                                                       */
  /*    FT_ENCODING_MS_JOHAB ::                                            */
  /*      Same as FT_ENCODING_JOHAB.  Deprecated.                          */
  /*                                                                       */
  /* <Note>                                                                */
  /*    By default, FreeType automatically synthesizes a Unicode charmap   */
  /*    for PostScript fonts, using their glyph names dictionaries.        */
  /*    However, it also reports the encodings defined explicitly in the   */
  /*    font file, for the cases when they are needed, with the Adobe      */
  /*    values as well.                                                    */
  /*                                                                       */
  /*    FT_ENCODING_NONE is set by the BDF and PCF drivers if the charmap  */
  /*    is neither Unicode nor ISO-8859-1 (otherwise it is set to          */
  /*    FT_ENCODING_UNICODE).  Use @FT_Get_BDF_Charset_ID to find out      */
  /*    which encoding is really present.  If, for example, the            */
  /*    `cs_registry' field is `KOI8' and the `cs_encoding' field is `R',  */
  /*    the font is encoded in KOI8-R.                                     */
  /*                                                                       */
  /*    FT_ENCODING_NONE is always set (with a single exception) by the    */
  /*    winfonts driver.  Use @FT_Get_WinFNT_Header and examine the        */
  /*    `charset' field of the @FT_WinFNT_HeaderRec structure to find out  */
  /*    which encoding is really present.  For example,                    */
  /*    @FT_WinFNT_ID_CP1251 (204) means Windows code page 1251 (for       */
  /*    Russian).                                                          */
  /*                                                                       */
  /*    FT_ENCODING_NONE is set if `platform_id' is @TT_PLATFORM_MACINTOSH */
  /*    and `encoding_id' is not @TT_MAC_ID_ROMAN (otherwise it is set to  */
  /*    FT_ENCODING_APPLE_ROMAN).                                          */
  /*                                                                       */
  /*    If `platform_id' is @TT_PLATFORM_MACINTOSH, use the function       */
  /*    @FT_Get_CMap_Language_ID  to query the Mac language ID which may   */
  /*    be needed to be able to distinguish Apple encoding variants.  See  */
  /*                                                                       */
  /*      http://www.unicode.org/Public/MAPPINGS/VENDORS/APPLE/README.TXT  */
  /*                                                                       */
  /*    to get an idea how to do that.  Basically, if the language ID      */
  /*    is~0, don't use it, otherwise subtract 1 from the language ID.     */
  /*    Then examine `encoding_id'.  If, for example, `encoding_id' is     */
  /*    @TT_MAC_ID_ROMAN and the language ID (minus~1) is                  */
  /*    `TT_MAC_LANGID_GREEK', it is the Greek encoding, not Roman.        */
  /*    @TT_MAC_ID_ARABIC with `TT_MAC_LANGID_FARSI' means the Farsi       */
  /*    variant the Arabic encoding.                                       */
  /*                                                                       */
  typedef enum  FT_Encoding_
  {
    FT_ENC_TAG( FT_ENCODING_NONE, 0, 0, 0, 0 ),

    FT_ENC_TAG( FT_ENCODING_MS_SYMBOL, 's', 'y', 'm', 'b' ),
    FT_ENC_TAG( FT_ENCODING_UNICODE,   'u', 'n', 'i', 'c' ),

    FT_ENC_TAG( FT_ENCODING_SJIS,    's', 'j', 'i', 's' ),
    FT_ENC_TAG( FT_ENCODING_GB2312,  'g', 'b', ' ', ' ' ),
    FT_ENC_TAG( FT_ENCODING_BIG5,    'b', 'i', 'g', '5' ),
    FT_ENC_TAG( FT_ENCODING_WANSUNG, 'w', 'a', 'n', 's' ),
    FT_ENC_TAG( FT_ENCODING_JOHAB,   'j', 'o', 'h', 'a' ),

    /* for backwards compatibility */
    FT_ENCODING_MS_SJIS    = FT_ENCODING_SJIS,
    FT_ENCODING_MS_GB2312  = FT_ENCODING_GB2312,
    FT_ENCODING_MS_BIG5    = FT_ENCODING_BIG5,
    FT_ENCODING_MS_WANSUNG = FT_ENCODING_WANSUNG,
    FT_ENCODING_MS_JOHAB   = FT_ENCODING_JOHAB,

    FT_ENC_TAG( FT_ENCODING_ADOBE_STANDARD, 'A', 'D', 'O', 'B' ),
    FT_ENC_TAG( FT_ENCODING_ADOBE_EXPERT,   'A', 'D', 'B', 'E' ),
    FT_ENC_TAG( FT_ENCODING_ADOBE_CUSTOM,   'A', 'D', 'B', 'C' ),
    FT_ENC_TAG( FT_ENCODING_ADOBE_LATIN_1,  'l', 'a', 't', '1' ),

    FT_ENC_TAG( FT_ENCODING_OLD_LATIN_2, 'l', 'a', 't', '2' ),

    FT_ENC_TAG( FT_ENCODING_APPLE_ROMAN, 'a', 'r', 'm', 'n' )

  } FT_Encoding;


  /*************************************************************************/
  /*                                                                       */
  /* <Enum>                                                                */
  /*    ft_encoding_xxx                                                    */
  /*                                                                       */
  /* <Description>                                                         */
  /*    These constants are deprecated; use the corresponding @FT_Encoding */
  /*    values instead.                                                    */
  /*                                                                       */
#define ft_encoding_none            FT_ENCODING_NONE
#define ft_encoding_unicode         FT_ENCODING_UNICODE
#define ft_encoding_symbol          FT_ENCODING_MS_SYMBOL
#define ft_encoding_latin_1         FT_ENCODING_ADOBE_LATIN_1
#define ft_encoding_latin_2         FT_ENCODING_OLD_LATIN_2
#define ft_encoding_sjis            FT_ENCODING_SJIS
#define ft_encoding_gb2312          FT_ENCODING_GB2312
#define ft_encoding_big5            FT_ENCODING_BIG5
#define ft_encoding_wansung         FT_ENCODING_WANSUNG
#define ft_encoding_johab           FT_ENCODING_JOHAB

#define ft_encoding_adobe_standard  FT_ENCODING_ADOBE_STANDARD
#define ft_encoding_adobe_expert    FT_ENCODING_ADOBE_EXPERT
#define ft_encoding_adobe_custom    FT_ENCODING_ADOBE_CUSTOM
#define ft_encoding_apple_roman     FT_ENCODING_APPLE_ROMAN


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    FT_CharMapRec                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    The base charmap structure.                                        */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    face        :: A handle to the parent face object.                 */
  /*                                                                       */
  /*    encoding    :: An @FT_Encoding tag identifying the charmap.  Use   */
  /*                   this with @FT_Select_Charmap.                       */
  /*                                                                       */
  /*    platform_id :: An ID number describing the platform for the        */
  /*                   following encoding ID.  This comes directly from    */
  /*                   the TrueType specification and should be emulated   */
  /*                   for other formats.                                  */
  /*                                                                       */
  /*    encoding_id :: A platform specific encoding number.  This also     */
  /*                   comes from the TrueType specification and should be */
  /*                   emulated similarly.                                 */
  /*                                                                       */
  typedef struct  FT_CharMapRec_
  {
    FT_Face      face;
    FT_Encoding  encoding;
    FT_UShort    platform_id;
    FT_UShort    encoding_id;

  } FT_CharMapRec;


  /*************************************************************************/
  /*************************************************************************/
  /*                                                                       */
  /*                 B A S E   O B J E C T   C L A S S E S                 */
  /*                                                                       */
  /*************************************************************************/
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Type>                                                                */
  /*    FT_Face_Internal                                                   */
  /*                                                                       */
  /* <Description>                                                         */
  /*    An opaque handle to an `FT_Face_InternalRec' structure, used to    */
  /*    model private data of a given @FT_Face object.                     */
  /*                                                                       */
  /*    This structure might change between releases of FreeType~2 and is  */
  /*    not generally available to client applications.                    */
  /*                                                                       */
  typedef struct FT_Face_InternalRec_*  FT_Face_Internal;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    FT_FaceRec                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    FreeType root face class structure.  A face object models a        */
  /*    typeface in a font file.                                           */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    num_faces           :: The number of faces in the font file.  Some */
  /*                           font formats can have multiple faces in     */
  /*                           a font file.                                */
  /*                                                                       */
  /*    face_index          :: The index of the face in the font file.  It */
  /*                           is set to~0 if there is only one face in    */
  /*                           the font file.                              */
  /*                                                                       */
  /*    face_flags          :: A set of bit flags that give important      */
  /*                           information about the face; see             */
  /*                           @FT_FACE_FLAG_XXX for the details.          */
  /*                                                                       */
  /*    style_flags         :: A set of bit flags indicating the style of  */
  /*                           the face; see @FT_STYLE_FLAG_XXX for the    */
  /*                           details.                                    */
  /*                                                                       */
  /*    num_glyphs          :: The number of glyphs in the face.  If the   */
  /*                           face is scalable and has sbits (see         */
  /*                           `num_fixed_sizes'), it is set to the number */
  /*                           of outline glyphs.                          */
  /*                                                                       */
  /*                           For CID-keyed fonts, this value gives the   */
  /*                           highest CID used in the font.               */
  /*                                                                       */
  /*    family_name         :: The face's family name.  This is an ASCII   */
  /*                           string, usually in English, which describes */
  /*                           the typeface's family (like `Times New      */
  /*                           Roman', `Bodoni', `Garamond', etc).  This   */
  /*                           is a least common denominator used to list  */
  /*                           fonts.  Some formats (TrueType & OpenType)  */
  /*                           provide localized and Unicode versions of   */
  /*                           this string.  Applications should use the   */
  /*                           format specific interface to access them.   */
  /*                           Can be NULL (e.g., in fonts embedded in a   */
  /*                           PDF file).                                  */
  /*                                                                       */
  /*    style_name          :: The face's style name.  This is an ASCII    */
  /*                           string, usually in English, which describes */
  /*                           the typeface's style (like `Italic',        */
  /*                           `Bold', `Condensed', etc).  Not all font    */
  /*                           formats provide a style name, so this field */
  /*                           is optional, and can be set to NULL.  As    */
  /*                           for `family_name', some formats provide     */
  /*                           localized and Unicode versions of this      */
  /*                           string.  Applications should use the format */
  /*                           specific interface to access them.          */
  /*                                                                       */
  /*    num_fixed_sizes     :: The number of bitmap strikes in the face.   */
  /*                           Even if the face is scalable, there might   */
  /*                           still be bitmap strikes, which are called   */
  /*                           `sbits' in that case.                       */
  /*                                                                       */
  /*    available_sizes     :: An array of @FT_Bitmap_Size for all bitmap  */
  /*                           strikes in the face.  It is set to NULL if  */
  /*                           there is no bitmap strike.                  */
  /*                                                                       */
  /*    num_charmaps        :: The number of charmaps in the face.         */
  /*                                                                       */
  /*    charmaps            :: An array of the charmaps of the face.       */
  /*                                                                       */
  /*    generic             :: A field reserved for client uses.  See the  */
  /*                           @FT_Generic type description.               */
  /*                                                                       */
  /*    bbox                :: The font bounding box.  Coordinates are     */
  /*                           expressed in font units (see                */
  /*                           `units_per_EM').  The box is large enough   */
  /*                           to contain any glyph from the font.  Thus,  */
  /*                           `bbox.yMax' can be seen as the `maximal     */
  /*                           ascender', and `bbox.yMin' as the `minimal  */
  /*                           descender'.  Only relevant for scalable     */
  /*                           formats.                                    */
  /*                                                                       */
  /*                           Note that the bounding box might be off by  */
  /*                           (at least) one pixel for hinted fonts.  See */
  /*                           @FT_Size_Metrics for further discussion.    */
  /*                                                                       */
  /*    units_per_EM        :: The number of font units per EM square for  */
  /*                           this face.  This is typically 2048 for      */
  /*                           TrueType fonts, and 1000 for Type~1 fonts.  */
  /*                           Only relevant for scalable formats.         */
  /*                                                                       */
  /*    ascender            :: The typographic ascender of the face,       */
  /*                           expressed in font units.  For font formats  */
  /*                           not having this information, it is set to   */
  /*                           `bbox.yMax'.  Only relevant for scalable    */
  /*                           formats.                                    */
  /*                                                                       */
  /*    descender           :: The typographic descender of the face,      */
  /*                           expressed in font units.  For font formats  */
  /*                           not having this information, it is set to   */
  /*                           `bbox.yMin'.  Note that this field is       */
  /*                           usually negative.  Only relevant for        */
  /*                           scalable formats.                           */
  /*                                                                       */
  /*    height              :: The height is the vertical distance         */
  /*                           between two consecutive baselines,          */
  /*                           expressed in font units.  It is always      */
  /*                           positive.  Only relevant for scalable       */
  /*                           formats.                                    */
  /*                                                                       */
  /*    max_advance_width   :: The maximal advance width, in font units,   */
  /*                           for all glyphs in this face.  This can be   */
  /*                           used to make word wrapping computations     */
  /*                           faster.  Only relevant for scalable         */
  /*                           formats.                                    */
  /*                                                                       */
  /*    max_advance_height  :: The maximal advance height, in font units,  */
  /*                           for all glyphs in this face.  This is only  */
  /*                           relevant for vertical layouts, and is set   */
  /*                           to `height' for fonts that do not provide   */
  /*                           vertical metrics.  Only relevant for        */
  /*                           scalable formats.                           */
  /*                                                                       */
  /*    underline_position  :: The position, in font units, of the         */
  /*                           underline line for this face.  It is the    */
  /*                           center of the underlining stem.  Only       */
  /*                           relevant for scalable formats.              */
  /*                                                                       */
  /*    underline_thickness :: The thickness, in font units, of the        */
  /*                           underline for this face.  Only relevant for */
  /*                           scalable formats.                           */
  /*                                                                       */
  /*    glyph               :: The face's associated glyph slot(s).        */
  /*                                                                       */
  /*    size                :: The current active size for this face.      */
  /*                                                                       */
  /*    charmap             :: The current active charmap for this face.   */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Fields may be changed after a call to @FT_Attach_File or           */
  /*    @FT_Attach_Stream.                                                 */
  /*                                                                       */
  typedef struct  FT_FaceRec_
  {
    FT_Long           num_faces;
    FT_Long           face_index;

    FT_Long           face_flags;
    FT_Long           style_flags;

    FT_Long           num_glyphs;

    FT_String*        family_name;
    FT_String*        style_name;

    FT_Int            num_fixed_sizes;
    FT_Bitmap_Size*   available_sizes;

    FT_Int            num_charmaps;
    FT_CharMap*       charmaps;

    FT_Generic        generic;

    /*# The following member variables (down to `underline_thickness') */
    /*# are only relevant to scalable outlines; cf. @FT_Bitmap_Size    */
    /*# for bitmap fonts.                                              */
    FT_BBox           bbox;

    FT_UShort         units_per_EM;
    FT_Short          ascender;
    FT_Short          descender;
    FT_Short          height;

    FT_Short          max_advance_width;
    FT_Short          max_advance_height;

    FT_Short          underline_position;
    FT_Short          underline_thickness;

    FT_GlyphSlot      glyph;
    FT_Size           size;
    FT_CharMap        charmap;

    /*@private begin */

    FT_Driver         driver;
    FT_Memory         memory;
    FT_Stream         stream;

    FT_ListRec        sizes_list;

    FT_Generic        autohint;
    void*             extensions;

    FT_Face_Internal  internal;

    /*@private end */

  } FT_FaceRec;


  /*************************************************************************/
  /*                                                                       */
  /* <Enum>                                                                */
  /*    FT_FACE_FLAG_XXX                                                   */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A list of bit flags used in the `face_flags' field of the          */
  /*    @FT_FaceRec structure.  They inform client applications of         */
  /*    properties of the corresponding face.                              */
  /*                                                                       */
  /* <Values>                                                              */
  /*    FT_FACE_FLAG_SCALABLE ::                                           */
  /*      Indicates that the face contains outline glyphs.  This doesn't   */
  /*      prevent bitmap strikes, i.e., a face can have both this and      */
  /*      and @FT_FACE_FLAG_FIXED_SIZES set.                               */
  /*                                                                       */
  /*    FT_FACE_FLAG_FIXED_SIZES ::                                        */
  /*      Indicates that the face contains bitmap strikes.  See also the   */
  /*      `num_fixed_sizes' and `available_sizes' fields of @FT_FaceRec.   */
  /*                                                                       */
  /*    FT_FACE_FLAG_FIXED_WIDTH ::                                        */
  /*      Indicates that the face contains fixed-width characters (like    */
  /*      Courier, Lucido, MonoType, etc.).                                */
  /*                                                                       */
  /*    FT_FACE_FLAG_SFNT ::                                               */
  /*      Indicates that the face uses th