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* include/freetype/ftmodapi.h, include/internal/ftserv.h, 

include/internal/services/svtteng.h, src/base/ftobjs.c,
    src/truetype/ttdriver.c:

    adding a new API named FT_Get_TrueType_Engine_Type to determine
    wether we have a patented, unpatented or unimplemented TrueType
    bytecode interpreter.

    the FT_Get_Module_Flags API was removed consequently.
This commit is contained in:
David Turner 2006-02-21 22:36:23 +00:00
parent 44c865dfe1
commit 0b5dc4df88
7 changed files with 112 additions and 46 deletions
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10
ChangeLog
View File

@ -1,5 +1,15 @@
2006-02-21 David Turner <david@freetype.org>
* include/freetype/ftmodapi.h, include/internal/ftserv.h,
include/internal/services/svtteng.h, src/base/ftobjs.c,
src/truetype/ttdriver.c:
adding a new API named FT_Get_TrueType_Engine_Type to determine
wether we have a patented, unpatented or unimplemented TrueType
bytecode interpreter.
the FT_Get_Module_Flags API was removed consequently.
* src/sfnt/sfobjs.c (sfnt_face_load): fixed silly bug that
prevented embedded bitmaps from being correctly listed and used

2
include/freetype/config/ftoption.h
View File

@ -448,7 +448,7 @@ FT_BEGIN_HEADER
/* FT_PARAM_TAG_UNPATENTED_HINTING; or when the debug hook */
/* FT_DEBUG_HOOK_UNPATENTED_HINTING is globally activated. */
/* */
#define TT_CONFIG_OPTION_UNPATENTED_HINTING
#define xxTT_CONFIG_OPTION_UNPATENTED_HINTING
/*************************************************************************/

77
include/freetype/ftmodapi.h
View File

@ -213,28 +213,6 @@ FT_BEGIN_HEADER
FT_Module module );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Module_Get_Flags */
/* */
/* <Description> */
/* Gets the module flags for a given module. */
/* */
/* <Input> */
/* module :: A handle to a module object. */
/* */
/* <Output> */
/* flags :: The module's flags. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_EXPORT( FT_Error )
FT_Module_Get_Flags( FT_Module module,
FT_ULong* flags );
/*************************************************************************/
/* */
/* <Function> */
@ -329,6 +307,61 @@ FT_BEGIN_HEADER
FT_Add_Default_Modules( FT_Library library );
/**
* @enum: FT_TrueTypeEngineType
*
* @description:
* a list of values describing which kind of truetype bytecode
* engine is implemented in a given FT_Library instance. It is used
* by the @FT_Get_TrueType_Engine_Type function
*
* @values:
* FT_TRUETYPE_ENGINE_TYPE_NONE ::
* the library doesn't implement any kind of bytecode interpreter
*
* FT_TRUETYPE_ENGINE_TYPE_UNPATENTED ::
* the library implements a bytecode interpreter that doesn't
* support the patented operations of the TrueType virtual machine.
*
* this interpreter can only be used to load certain Asian fonts
* from Dynalabs. It will produce crap output for any other font.
* see @
*
* FT_TRUETYPE_ENGINE_TYPE_PATENTED ::
* the library implements a bytecode interpreter that covers
* the full instruction set of the TrueType virtual machine.
* Better check your legal department for license compliance !!
*
* @since: 2.2
*/
typedef enum
{
FT_TRUETYPE_ENGINE_TYPE_NONE = 0,
FT_TRUETYPE_ENGINE_TYPE_UNPATENTED,
FT_TRUETYPE_ENGINE_TYPE_PATENTED
} FT_TrueTypeEngineType;
/**
* @func: FT_Get_TrueType_Engine_Type
*
* @description:
* this function returns a @FT_TrueTypeEngineType value to indicates
* which level of the TrueType virtual machine a given library instance
* supports.
*
* @input:
* library :: a library instance
*
* @return:
* a value indicating which level is supported
*
* @since: 2.2
*/
FT_EXPORT( FT_TrueTypeEngineType )
FT_Get_TrueType_Engine_Type( FT_Library library );
/* */

1
include/freetype/internal/ftserv.h
View File

@ -314,6 +314,7 @@ FT_BEGIN_HEADER
#define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h>
#define FT_SERVICE_XFREE86_NAME_H <freetype/internal/services/svxf86nm.h>
#define FT_SERVICE_KERNING_H <freetype/internal/services/svkern.h>
#define FT_SERVICE_TRUETYPE_ENGINE_H <freetype/internal/services/svtteng.h>
/* */

6
include/freetype/internal/services/svsfnt.h
View File

@ -63,9 +63,9 @@ FT_BEGIN_HEADER
FT_DEFINE_SERVICE( SFNT_Table )
{
FT_SFNT_TableLoadFunc load_table;
FT_SFNT_TableGetFunc get_table;
FT_SFNT_TableInfoFunc table_info;
FT_SFNT_TableLoadFunc load_table;
FT_SFNT_TableGetFunc get_table;
FT_SFNT_TableInfoFunc table_info;
};
/* */

41
src/base/ftobjs.c
View File

@ -34,6 +34,7 @@
#include FT_SERVICE_GLYPH_DICT_H
#include FT_SERVICE_TT_CMAP_H
#include FT_SERVICE_KERNING_H
#include FT_SERVICE_TRUETYPE_ENGINE_H
FT_BASE_DEF( FT_Pointer )
@ -3408,23 +3409,6 @@
}
/* documentation is in ftmodapi.h */
FT_EXPORT_DEF( FT_Error )
FT_Module_Get_Flags( FT_Module module,
FT_ULong* flags )
{
if ( !module )
return FT_Err_Invalid_Driver_Handle;
if ( !flags )
return FT_Err_Invalid_Argument;
*flags = module->clazz->module_flags;
return FT_Err_Ok;
}
/* documentation is in ftobjs.h */
FT_BASE_DEF( const void* )
@ -3675,6 +3659,29 @@
}
/* documentation is in ftmodapi.h */
FT_EXPORT_DEF( FT_TrueTypeEngineType )
FT_Get_TrueType_Engine_Type( FT_Library library )
{
FT_TrueTypeEngineType result = FT_TRUETYPE_ENGINE_TYPE_NONE;
if ( library )
{
FT_Module module = FT_Get_Module( library, "truetype" );
if ( module )
{
FT_Service_TrueTypeEngine service;
service = ft_module_get_service( module, FT_SERVICE_ID_TRUETYPE_ENGINE );
if ( service )
result = service->engine_type;
}
}
return result;
}
#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
FT_BASE_DEF( FT_Error )

15
src/truetype/ttdriver.c
View File

@ -28,6 +28,8 @@
#include FT_SERVICE_MULTIPLE_MASTERS_H
#endif
#include FT_SERVICE_TRUETYPE_ENGINE_H
#include "ttdriver.h"
#include "ttgload.h"
@ -290,6 +292,18 @@
};
#endif
static const FT_Service_TrueTypeEngineRec tt_service_truetype_engine =
{
#ifdef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
# ifdef TT_CONFIG_OPTION_UNPATENTED_HINTING
FT_TRUETYPE_ENGINE_TYPE_UNPATENTED
# else
FT_TRUETYPE_ENGINE_TYPE_PATENTED
# endif
#else
FT_TRUETYPE_ENGINE_TYPE_NONE
#endif
};
static const FT_ServiceDescRec tt_services[] =
{
@ -297,6 +311,7 @@
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
{ FT_SERVICE_ID_MULTI_MASTERS, &tt_service_gx_multi_masters },
#endif
{ FT_SERVICE_ID_TRUETYPE_ENGINE, &tt_service_truetype_engine },
{ NULL, NULL }
};