misc/libfreetype/include/freetype/ftgxval.h
branchwebgl
changeset 9521 8054d9d775fd
parent 9282 92af50454cf2
parent 9519 b8b5c82eb61b
child 9950 2759212a27de
--- a/misc/libfreetype/include/freetype/ftgxval.h	Fri Oct 11 11:55:31 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,358 +0,0 @@
-/***************************************************************************/
-/*                                                                         */
-/*  ftgxval.h                                                              */
-/*                                                                         */
-/*    FreeType API for validating TrueTypeGX/AAT tables (specification).   */
-/*                                                                         */
-/*  Copyright 2004, 2005, 2006 by                                          */
-/*  Masatake YAMATO, Redhat K.K,                                           */
-/*  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.                                        */
-/*                                                                         */
-/***************************************************************************/
-
-/***************************************************************************/
-/*                                                                         */
-/* gxvalid is derived from both gxlayout module and otvalid module.        */
-/* Development of gxlayout is supported by the Information-technology      */
-/* Promotion Agency(IPA), Japan.                                           */
-/*                                                                         */
-/***************************************************************************/
-
-
-#ifndef __FTGXVAL_H__
-#define __FTGXVAL_H__
-
-#include <ft2build.h>
-#include FT_FREETYPE_H
-
-#ifdef FREETYPE_H
-#error "freetype.h of FreeType 1 has been loaded!"
-#error "Please fix the directory search order for header files"
-#error "so that freetype.h of FreeType 2 is found first."
-#endif
-
-
-FT_BEGIN_HEADER
-
-
-  /*************************************************************************/
-  /*                                                                       */
-  /* <Section>                                                             */
-  /*    gx_validation                                                      */
-  /*                                                                       */
-  /* <Title>                                                               */
-  /*    TrueTypeGX/AAT Validation                                          */
-  /*                                                                       */
-  /* <Abstract>                                                            */
-  /*    An API to validate TrueTypeGX/AAT tables.                          */
-  /*                                                                       */
-  /* <Description>                                                         */
-  /*    This section contains the declaration of functions to validate     */
-  /*    some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd,  */
-  /*    trak, prop, lcar).                                                 */
-  /*                                                                       */
-  /*************************************************************************/
-
-
-  /*************************************************************************/
-  /*                                                                       */
-  /*                                                                       */
-  /* Warning: Use FT_VALIDATE_XXX to validate a table.                     */
-  /*          Following definitions are for gxvalid developers.            */
-  /*                                                                       */
-  /*                                                                       */
-  /*************************************************************************/
-
-#define FT_VALIDATE_feat_INDEX     0
-#define FT_VALIDATE_mort_INDEX     1
-#define FT_VALIDATE_morx_INDEX     2
-#define FT_VALIDATE_bsln_INDEX     3
-#define FT_VALIDATE_just_INDEX     4
-#define FT_VALIDATE_kern_INDEX     5
-#define FT_VALIDATE_opbd_INDEX     6
-#define FT_VALIDATE_trak_INDEX     7
-#define FT_VALIDATE_prop_INDEX     8
-#define FT_VALIDATE_lcar_INDEX     9
-#define FT_VALIDATE_GX_LAST_INDEX  FT_VALIDATE_lcar_INDEX
-
-
-  /*************************************************************************
-   *
-   * @macro:
-   *   FT_VALIDATE_GX_LENGTH
-   *
-   * @description:
-   *   The number of tables checked in this module.  Use it as a parameter
-   *   for the `table-length' argument of function @FT_TrueTypeGX_Validate.
-   */
-#define FT_VALIDATE_GX_LENGTH     (FT_VALIDATE_GX_LAST_INDEX + 1)
-
-  /* */
-
-  /* Up to 0x1000 is used by otvalid.
-     Ox2xxx is reserved for feature OT extension. */
-#define FT_VALIDATE_GX_START 0x4000
-#define FT_VALIDATE_GX_BITFIELD( tag )                  \
-  ( FT_VALIDATE_GX_START << FT_VALIDATE_##tag##_INDEX )
-
-
- /**********************************************************************
-  *
-  * @enum:
-  *    FT_VALIDATE_GXXXX
-  *
-  * @description:
-  *    A list of bit-field constants used with @FT_TrueTypeGX_Validate to
-  *    indicate which TrueTypeGX/AAT Type tables should be validated.
-  *
-  * @values:
-  *    FT_VALIDATE_feat ::
-  *      Validate `feat' table.
-  *
-  *    FT_VALIDATE_mort ::
-  *      Validate `mort' table.
-  *
-  *    FT_VALIDATE_morx ::
-  *      Validate `morx' table.
-  *
-  *    FT_VALIDATE_bsln ::
-  *      Validate `bsln' table.
-  *
-  *    FT_VALIDATE_just ::
-  *      Validate `just' table.
-  *
-  *    FT_VALIDATE_kern ::
-  *      Validate `kern' table.
-  *
-  *    FT_VALIDATE_opbd ::
-  *      Validate `opbd' table.
-  *
-  *    FT_VALIDATE_trak ::
-  *      Validate `trak' table.
-  *
-  *    FT_VALIDATE_prop ::
-  *      Validate `prop' table.
-  *
-  *    FT_VALIDATE_lcar ::
-  *      Validate `lcar' table.
-  *
-  *    FT_VALIDATE_GX ::
-  *      Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern,
-  *      opbd, trak, prop and lcar).
-  *
-  */
-
-#define FT_VALIDATE_feat  FT_VALIDATE_GX_BITFIELD( feat )
-#define FT_VALIDATE_mort  FT_VALIDATE_GX_BITFIELD( mort )
-#define FT_VALIDATE_morx  FT_VALIDATE_GX_BITFIELD( morx )
-#define FT_VALIDATE_bsln  FT_VALIDATE_GX_BITFIELD( bsln )
-#define FT_VALIDATE_just  FT_VALIDATE_GX_BITFIELD( just )
-#define FT_VALIDATE_kern  FT_VALIDATE_GX_BITFIELD( kern )
-#define FT_VALIDATE_opbd  FT_VALIDATE_GX_BITFIELD( opbd )
-#define FT_VALIDATE_trak  FT_VALIDATE_GX_BITFIELD( trak )
-#define FT_VALIDATE_prop  FT_VALIDATE_GX_BITFIELD( prop )
-#define FT_VALIDATE_lcar  FT_VALIDATE_GX_BITFIELD( lcar )
-
-#define FT_VALIDATE_GX  ( FT_VALIDATE_feat | \
-                          FT_VALIDATE_mort | \
-                          FT_VALIDATE_morx | \
-                          FT_VALIDATE_bsln | \
-                          FT_VALIDATE_just | \
-                          FT_VALIDATE_kern | \
-                          FT_VALIDATE_opbd | \
-                          FT_VALIDATE_trak | \
-                          FT_VALIDATE_prop | \
-                          FT_VALIDATE_lcar )
-
-
-  /* */
-
- /**********************************************************************
-  *
-  * @function:
-  *    FT_TrueTypeGX_Validate
-  *
-  * @description:
-  *    Validate various TrueTypeGX tables to assure that all offsets and
-  *    indices are valid.  The idea is that a higher-level library which
-  *    actually does the text layout can access those tables without
-  *    error checking (which can be quite time consuming).
-  *
-  * @input:
-  *    face ::
-  *       A handle to the input face.
-  *
-  *    validation_flags ::
-  *       A bit field which specifies the tables to be validated.  See
-  *       @FT_VALIDATE_GXXXX for possible values.
-  *
-  *    table_length ::
-  *       The size of the `tables' array.  Normally, @FT_VALIDATE_GX_LENGTH
-  *       should be passed.
-  *
-  * @output:
-  *    tables ::
-  *       The array where all validated sfnt tables are stored.
-  *       The array itself must be allocated by a client.
-  *
-  * @return:
-  *   FreeType error code.  0~means success.
-  *
-  * @note:
-  *   This function only works with TrueTypeGX fonts, returning an error
-  *   otherwise.
-  *
-  *   After use, the application should deallocate the buffers pointed to by
-  *   each `tables' element, by calling @FT_TrueTypeGX_Free.  A NULL value
-  *   indicates that the table either doesn't exist in the font, the
-  *   application hasn't asked for validation, or the validator doesn't have
-  *   the ability to validate the sfnt table.
-  */
-  FT_EXPORT( FT_Error )
-  FT_TrueTypeGX_Validate( FT_Face   face,
-                          FT_UInt   validation_flags,
-                          FT_Bytes  tables[FT_VALIDATE_GX_LENGTH],
-                          FT_UInt   table_length );
-
-
-  /* */
-
- /**********************************************************************
-  *
-  * @function:
-  *    FT_TrueTypeGX_Free
-  *
-  * @description:
-  *    Free the buffer allocated by TrueTypeGX validator.
-  *
-  * @input:
-  *    face ::
-  *       A handle to the input face.
-  *
-  *    table ::
-  *       The pointer to the buffer allocated by
-  *       @FT_TrueTypeGX_Validate.
-  *
-  * @note:
-  *   This function must be used to free the buffer allocated by
-  *   @FT_TrueTypeGX_Validate only.
-  */
-  FT_EXPORT( void )
-  FT_TrueTypeGX_Free( FT_Face   face,
-                      FT_Bytes  table );
-
-
-  /* */
-
- /**********************************************************************
-  *
-  * @enum:
-  *    FT_VALIDATE_CKERNXXX
-  *
-  * @description:
-  *    A list of bit-field constants used with @FT_ClassicKern_Validate
-  *    to indicate the classic kern dialect or dialects.  If the selected
-  *    type doesn't fit, @FT_ClassicKern_Validate regards the table as
-  *    invalid.
-  *
-  * @values:
-  *    FT_VALIDATE_MS ::
-  *      Handle the `kern' table as a classic Microsoft kern table.
-  *
-  *    FT_VALIDATE_APPLE ::
-  *      Handle the `kern' table as a classic Apple kern table.
-  *
-  *    FT_VALIDATE_CKERN ::
-  *      Handle the `kern' as either classic Apple or Microsoft kern table.
-  */
-#define FT_VALIDATE_MS     ( FT_VALIDATE_GX_START << 0 )
-#define FT_VALIDATE_APPLE  ( FT_VALIDATE_GX_START << 1 )
-
-#define FT_VALIDATE_CKERN  ( FT_VALIDATE_MS | FT_VALIDATE_APPLE )
-
-
-  /* */
-
- /**********************************************************************
-  *
-  * @function:
-  *    FT_ClassicKern_Validate
-  *
-  * @description:
-  *    Validate classic (16-bit format) kern table to assure that the offsets
-  *    and indices are valid.  The idea is that a higher-level library which
-  *    actually does the text layout can access those tables without error
-  *    checking (which can be quite time consuming).
-  *
-  *    The `kern' table validator in @FT_TrueTypeGX_Validate deals with both
-  *    the new 32-bit format and the classic 16-bit format, while
-  *    FT_ClassicKern_Validate only supports the classic 16-bit format.
-  *
-  * @input:
-  *    face ::
-  *       A handle to the input face.
-  *
-  *    validation_flags ::
-  *       A bit field which specifies the dialect to be validated.  See
-  *       @FT_VALIDATE_CKERNXXX for possible values.
-  *
-  * @output:
-  *    ckern_table ::
-  *       A pointer to the kern table.
-  *
-  * @return:
-  *   FreeType error code.  0~means success.
-  *
-  * @note:
-  *   After use, the application should deallocate the buffers pointed to by
-  *   `ckern_table', by calling @FT_ClassicKern_Free.  A NULL value
-  *   indicates that the table doesn't exist in the font.
-  */
-  FT_EXPORT( FT_Error )
-  FT_ClassicKern_Validate( FT_Face    face,
-                           FT_UInt    validation_flags,
-                           FT_Bytes  *ckern_table );
-
-
-  /* */
-
- /**********************************************************************
-  *
-  * @function:
-  *    FT_ClassicKern_Free
-  *
-  * @description:
-  *    Free the buffer allocated by classic Kern validator.
-  *
-  * @input:
-  *    face ::
-  *       A handle to the input face.
-  *
-  *    table ::
-  *       The pointer to the buffer that is allocated by
-  *       @FT_ClassicKern_Validate.
-  *
-  * @note:
-  *   This function must be used to free the buffer allocated by
-  *   @FT_ClassicKern_Validate only.
-  */
-  FT_EXPORT( void )
-  FT_ClassicKern_Free( FT_Face   face,
-                       FT_Bytes  table );
-
-
- /* */
-
-
-FT_END_HEADER
-
-#endif /* __FTGXVAL_H__ */
-
-
-/* END */