third_party/freetype/include/ftgxval.h - Issue 1416993005: Merge to XFA: Update bundled freetype to 2.6.1

Unified Diff: third_party/freetype/include/ftgxval.h

Issue 1416993005: Merge to XFA: Update bundled freetype to 2.6.1 (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa

Patch Set: Created 5 years, 1 month ago

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Index: third_party/freetype/include/ftgxval.h

diff --git a/third_party/freetype/include/ftgxval.h b/third_party/freetype/include/ftgxval.h

deleted file mode 100644

index 88c3d937503613b86d40927f67e8435fa855d287..0000000000000000000000000000000000000000

--- a/third_party/freetype/include/ftgxval.h

+++ /dev/null

@@ -1,357 +0,0 @@

-/***************************************************************************/

-/* */

-/* ftgxval.h */

-/* */

-/* FreeType API for validating TrueTypeGX/AAT tables (specification). */

-/* */

-/* 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). */

- /* */

- /* <Order> */

- /* FT_TrueTypeGX_Validate */

- /* FT_TrueTypeGX_Free */

- /* */

- /* FT_ClassicKern_Validate */

- /* FT_ClassicKern_Free */

- /* */

- /* FT_VALIDATE_GX_LENGTH */

- /* FT_VALIDATE_GXXXX */

- /* FT_VALIDATE_CKERNXXX */

- /* */

- /*************************************************************************/

- /* */

- /* 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 that

- * 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 that 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 that

- * 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 that 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 */

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