+++ /dev/null
-/***************************************************************************/
-/* */
-/* ftserv.h */
-/* */
-/* The FreeType services (specification only). */
-/* */
-/* Copyright 2003-2017 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. */
-/* */
-/***************************************************************************/
-
- /*************************************************************************/
- /* */
- /* Each module can export one or more `services'. Each service is */
- /* identified by a constant string and modeled by a pointer; the latter */
- /* generally corresponds to a structure containing function pointers. */
- /* */
- /* Note that a service's data cannot be a mere function pointer because */
- /* in C it is possible that function pointers might be implemented */
- /* differently than data pointers (e.g. 48 bits instead of 32). */
- /* */
- /*************************************************************************/
-
-
-#ifndef FTSERV_H_
-#define FTSERV_H_
-
-
-FT_BEGIN_HEADER
-
- /*
- * @macro:
- * FT_FACE_FIND_SERVICE
- *
- * @description:
- * This macro is used to look up a service from a face's driver module.
- *
- * @input:
- * face ::
- * The source face handle.
- *
- * id ::
- * A string describing the service as defined in the service's
- * header files (e.g. FT_SERVICE_ID_MULTI_MASTERS which expands to
- * `multi-masters'). It is automatically prefixed with
- * `FT_SERVICE_ID_'.
- *
- * @output:
- * ptr ::
- * A variable that receives the service pointer. Will be NULL
- * if not found.
- */
-#ifdef __cplusplus
-
-#define FT_FACE_FIND_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \
- FT_Pointer _tmp_ = NULL; \
- FT_Pointer* _pptr_ = (FT_Pointer*)&(ptr); \
- \
- \
- if ( module->clazz->get_interface ) \
- _tmp_ = module->clazz->get_interface( module, FT_SERVICE_ID_ ## id ); \
- *_pptr_ = _tmp_; \
- FT_END_STMNT
-
-#else /* !C++ */
-
-#define FT_FACE_FIND_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \
- FT_Pointer _tmp_ = NULL; \
- \
- if ( module->clazz->get_interface ) \
- _tmp_ = module->clazz->get_interface( module, FT_SERVICE_ID_ ## id ); \
- ptr = _tmp_; \
- FT_END_STMNT
-
-#endif /* !C++ */
-
-
- /*
- * @macro:
- * FT_FACE_FIND_GLOBAL_SERVICE
- *
- * @description:
- * This macro is used to look up a service from all modules.
- *
- * @input:
- * face ::
- * The source face handle.
- *
- * id ::
- * A string describing the service as defined in the service's
- * header files (e.g. FT_SERVICE_ID_MULTI_MASTERS which expands to
- * `multi-masters'). It is automatically prefixed with
- * `FT_SERVICE_ID_'.
- *
- * @output:
- * ptr ::
- * A variable that receives the service pointer. Will be NULL
- * if not found.
- */
-#ifdef __cplusplus
-
-#define FT_FACE_FIND_GLOBAL_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \
- FT_Pointer _tmp_; \
- FT_Pointer* _pptr_ = (FT_Pointer*)&(ptr); \
- \
- \
- _tmp_ = ft_module_get_service( module, FT_SERVICE_ID_ ## id, 1 ); \
- *_pptr_ = _tmp_; \
- FT_END_STMNT
-
-#else /* !C++ */
-
-#define FT_FACE_FIND_GLOBAL_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Module module = FT_MODULE( FT_FACE( face )->driver ); \
- FT_Pointer _tmp_; \
- \
- \
- _tmp_ = ft_module_get_service( module, FT_SERVICE_ID_ ## id, 1 ); \
- ptr = _tmp_; \
- FT_END_STMNT
-
-#endif /* !C++ */
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** S E R V I C E D E S C R I P T O R S *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- /*
- * The following structure is used to _describe_ a given service
- * to the library. This is useful to build simple static service lists.
- */
- typedef struct FT_ServiceDescRec_
- {
- const char* serv_id; /* service name */
- const void* serv_data; /* service pointer/data */
-
- } FT_ServiceDescRec;
-
- typedef const FT_ServiceDescRec* FT_ServiceDesc;
-
-
- /*************************************************************************/
- /* */
- /* <Macro> */
- /* FT_DEFINE_SERVICEDESCREC1 */
- /* FT_DEFINE_SERVICEDESCREC2 */
- /* FT_DEFINE_SERVICEDESCREC3 */
- /* FT_DEFINE_SERVICEDESCREC4 */
- /* FT_DEFINE_SERVICEDESCREC5 */
- /* FT_DEFINE_SERVICEDESCREC6 */
- /* FT_DEFINE_SERVICEDESCREC7 */
- /* FT_DEFINE_SERVICEDESCREC8 */
- /* */
- /* <Description> */
- /* Used to initialize an array of FT_ServiceDescRec structures. */
- /* */
- /* When FT_CONFIG_OPTION_PIC is defined a `create' function needs to */
- /* be called with a pointer to return an allocated array. As soon as */
- /* it is no longer needed, a `destroy' function needs to be called to */
- /* release that allocation. */
- /* */
- /* These functions should be manually called from the `pic_init' and */
- /* `pic_free' functions of your module (see FT_DEFINE_MODULE). */
- /* */
- /* When FT_CONFIG_OPTION_PIC is not defined the array will be */
- /* allocated in the global scope (or the scope where the macro is */
- /* used). */
- /* */
-#ifndef FT_CONFIG_OPTION_PIC
-
-#define FT_DEFINE_SERVICEDESCREC1( class_, \
- serv_id_1, serv_data_1 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC2( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC3( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC4( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC5( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { serv_id_5, serv_data_5 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC6( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { serv_id_5, serv_data_5 }, \
- { serv_id_6, serv_data_6 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC7( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { serv_id_5, serv_data_5 }, \
- { serv_id_6, serv_data_6 }, \
- { serv_id_7, serv_data_7 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC8( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7, \
- serv_id_8, serv_data_8 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { serv_id_5, serv_data_5 }, \
- { serv_id_6, serv_data_6 }, \
- { serv_id_7, serv_data_7 }, \
- { serv_id_8, serv_data_8 }, \
- { NULL, NULL } \
- };
-
-#define FT_DEFINE_SERVICEDESCREC9( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7, \
- serv_id_8, serv_data_8, \
- serv_id_9, serv_data_9 ) \
- static const FT_ServiceDescRec class_[] = \
- { \
- { serv_id_1, serv_data_1 }, \
- { serv_id_2, serv_data_2 }, \
- { serv_id_3, serv_data_3 }, \
- { serv_id_4, serv_data_4 }, \
- { serv_id_5, serv_data_5 }, \
- { serv_id_6, serv_data_6 }, \
- { serv_id_7, serv_data_7 }, \
- { serv_id_8, serv_data_8 }, \
- { serv_id_9, serv_data_9 }, \
- { NULL, NULL } \
- };
-
-#else /* FT_CONFIG_OPTION_PIC */
-
-#define FT_DEFINE_SERVICEDESCREC1( class_, \
- serv_id_1, serv_data_1 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class ) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 2 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = NULL; \
- clazz[1].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC2( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class ) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 3 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = NULL; \
- clazz[2].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC3( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class ) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 4 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = NULL; \
- clazz[3].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC4( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class ) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 5 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = NULL; \
- clazz[4].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC5( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class ) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 6 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = serv_id_5; \
- clazz[4].serv_data = serv_data_5; \
- clazz[5].serv_id = NULL; \
- clazz[5].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC6( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 7 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = serv_id_5; \
- clazz[4].serv_data = serv_data_5; \
- clazz[5].serv_id = serv_id_6; \
- clazz[5].serv_data = serv_data_6; \
- clazz[6].serv_id = NULL; \
- clazz[6].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC7( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 8 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = serv_id_5; \
- clazz[4].serv_data = serv_data_5; \
- clazz[5].serv_id = serv_id_6; \
- clazz[5].serv_data = serv_data_6; \
- clazz[6].serv_id = serv_id_7; \
- clazz[6].serv_data = serv_data_7; \
- clazz[7].serv_id = NULL; \
- clazz[7].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC8( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7, \
- serv_id_8, serv_data_8 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 9 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = serv_id_5; \
- clazz[4].serv_data = serv_data_5; \
- clazz[5].serv_id = serv_id_6; \
- clazz[5].serv_data = serv_data_6; \
- clazz[6].serv_id = serv_id_7; \
- clazz[6].serv_data = serv_data_7; \
- clazz[7].serv_id = serv_id_8; \
- clazz[7].serv_data = serv_data_8; \
- clazz[8].serv_id = NULL; \
- clazz[8].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#define FT_DEFINE_SERVICEDESCREC9( class_, \
- serv_id_1, serv_data_1, \
- serv_id_2, serv_data_2, \
- serv_id_3, serv_data_3, \
- serv_id_4, serv_data_4, \
- serv_id_5, serv_data_5, \
- serv_id_6, serv_data_6, \
- serv_id_7, serv_data_7, \
- serv_id_8, serv_data_8, \
- serv_id_9, serv_data_9 ) \
- void \
- FT_Destroy_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec* clazz ) \
- { \
- FT_Memory memory = library->memory; \
- \
- \
- if ( clazz ) \
- FT_FREE( clazz ); \
- } \
- \
- FT_Error \
- FT_Create_Class_ ## class_( FT_Library library, \
- FT_ServiceDescRec** output_class) \
- { \
- FT_ServiceDescRec* clazz = NULL; \
- FT_Error error; \
- FT_Memory memory = library->memory; \
- \
- \
- if ( FT_ALLOC( clazz, sizeof ( *clazz ) * 10 ) ) \
- return error; \
- \
- clazz[0].serv_id = serv_id_1; \
- clazz[0].serv_data = serv_data_1; \
- clazz[1].serv_id = serv_id_2; \
- clazz[1].serv_data = serv_data_2; \
- clazz[2].serv_id = serv_id_3; \
- clazz[2].serv_data = serv_data_3; \
- clazz[3].serv_id = serv_id_4; \
- clazz[3].serv_data = serv_data_4; \
- clazz[4].serv_id = serv_id_5; \
- clazz[4].serv_data = serv_data_5; \
- clazz[5].serv_id = serv_id_6; \
- clazz[5].serv_data = serv_data_6; \
- clazz[6].serv_id = serv_id_7; \
- clazz[6].serv_data = serv_data_7; \
- clazz[7].serv_id = serv_id_8; \
- clazz[7].serv_data = serv_data_8; \
- clazz[8].serv_id = serv_id_9; \
- clazz[8].serv_data = serv_data_9; \
- clazz[9].serv_id = NULL; \
- clazz[9].serv_data = NULL; \
- \
- *output_class = clazz; \
- \
- return FT_Err_Ok; \
- }
-
-#endif /* FT_CONFIG_OPTION_PIC */
-
-
- /*
- * Parse a list of FT_ServiceDescRec descriptors and look for
- * a specific service by ID. Note that the last element in the
- * array must be { NULL, NULL }, and that the function should
- * return NULL if the service isn't available.
- *
- * This function can be used by modules to implement their
- * `get_service' method.
- */
- FT_BASE( FT_Pointer )
- ft_service_list_lookup( FT_ServiceDesc service_descriptors,
- const char* service_id );
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** S E R V I C E S C A C H E *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- /*
- * This structure is used to store a cache for several frequently used
- * services. It is the type of `face->internal->services'. You
- * should only use FT_FACE_LOOKUP_SERVICE to access it.
- *
- * All fields should have the type FT_Pointer to relax compilation
- * dependencies. We assume the developer isn't completely stupid.
- *
- * Each field must be named `service_XXXX' where `XXX' corresponds to
- * the correct FT_SERVICE_ID_XXXX macro. See the definition of
- * FT_FACE_LOOKUP_SERVICE below how this is implemented.
- *
- */
- typedef struct FT_ServiceCacheRec_
- {
- FT_Pointer service_POSTSCRIPT_FONT_NAME;
- FT_Pointer service_MULTI_MASTERS;
- FT_Pointer service_METRICS_VARIATIONS;
- FT_Pointer service_GLYPH_DICT;
- FT_Pointer service_PFR_METRICS;
- FT_Pointer service_WINFNT;
-
- } FT_ServiceCacheRec, *FT_ServiceCache;
-
-
- /*
- * A magic number used within the services cache.
- */
-
- /* ensure that value `1' has the same width as a pointer */
-#define FT_SERVICE_UNAVAILABLE ((FT_Pointer)~(FT_PtrDist)1)
-
-
- /*
- * @macro:
- * FT_FACE_LOOKUP_SERVICE
- *
- * @description:
- * This macro is used to look up a service from a face's driver module
- * using its cache.
- *
- * @input:
- * face::
- * The source face handle containing the cache.
- *
- * field ::
- * The field name in the cache.
- *
- * id ::
- * The service ID.
- *
- * @output:
- * ptr ::
- * A variable receiving the service data. NULL if not available.
- */
-#ifdef __cplusplus
-
-#define FT_FACE_LOOKUP_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Pointer svc; \
- FT_Pointer* Pptr = (FT_Pointer*)&(ptr); \
- \
- \
- svc = FT_FACE( face )->internal->services. service_ ## id; \
- if ( svc == FT_SERVICE_UNAVAILABLE ) \
- svc = NULL; \
- else if ( svc == NULL ) \
- { \
- FT_FACE_FIND_SERVICE( face, svc, id ); \
- \
- FT_FACE( face )->internal->services. service_ ## id = \
- (FT_Pointer)( svc != NULL ? svc \
- : FT_SERVICE_UNAVAILABLE ); \
- } \
- *Pptr = svc; \
- FT_END_STMNT
-
-#else /* !C++ */
-
-#define FT_FACE_LOOKUP_SERVICE( face, ptr, id ) \
- FT_BEGIN_STMNT \
- FT_Pointer svc; \
- \
- \
- svc = FT_FACE( face )->internal->services. service_ ## id; \
- if ( svc == FT_SERVICE_UNAVAILABLE ) \
- svc = NULL; \
- else if ( svc == NULL ) \
- { \
- FT_FACE_FIND_SERVICE( face, svc, id ); \
- \
- FT_FACE( face )->internal->services. service_ ## id = \
- (FT_Pointer)( svc != NULL ? svc \
- : FT_SERVICE_UNAVAILABLE ); \
- } \
- ptr = svc; \
- FT_END_STMNT
-
-#endif /* !C++ */
-
- /*
- * A macro used to define new service structure types.
- */
-
-#define FT_DEFINE_SERVICE( name ) \
- typedef struct FT_Service_ ## name ## Rec_ \
- FT_Service_ ## name ## Rec ; \
- typedef struct FT_Service_ ## name ## Rec_ \
- const * FT_Service_ ## name ; \
- struct FT_Service_ ## name ## Rec_
-
- /* */
-
- /*
- * The header files containing the services.
- */
-
-#define FT_SERVICE_BDF_H <freetype/internal/services/svbdf.h>
-#define FT_SERVICE_CID_H <freetype/internal/services/svcid.h>
-#define FT_SERVICE_GLYPH_DICT_H <freetype/internal/services/svgldict.h>
-#define FT_SERVICE_GX_VALIDATE_H <freetype/internal/services/svgxval.h>
-#define FT_SERVICE_KERNING_H <freetype/internal/services/svkern.h>
-#define FT_SERVICE_METRICS_VARIATIONS_H <freetype/internal/services/svmetric.h>
-#define FT_SERVICE_MULTIPLE_MASTERS_H <freetype/internal/services/svmm.h>
-#define FT_SERVICE_OPENTYPE_VALIDATE_H <freetype/internal/services/svotval.h>
-#define FT_SERVICE_PFR_H <freetype/internal/services/svpfr.h>
-#define FT_SERVICE_POSTSCRIPT_CMAPS_H <freetype/internal/services/svpscmap.h>
-#define FT_SERVICE_POSTSCRIPT_INFO_H <freetype/internal/services/svpsinfo.h>
-#define FT_SERVICE_POSTSCRIPT_NAME_H <freetype/internal/services/svpostnm.h>
-#define FT_SERVICE_PROPERTIES_H <freetype/internal/services/svprop.h>
-#define FT_SERVICE_SFNT_H <freetype/internal/services/svsfnt.h>
-#define FT_SERVICE_TRUETYPE_ENGINE_H <freetype/internal/services/svtteng.h>
-#define FT_SERVICE_TT_CMAP_H <freetype/internal/services/svttcmap.h>
-#define FT_SERVICE_WINFNT_H <freetype/internal/services/svwinfnt.h>
-#define FT_SERVICE_FONT_FORMAT_H <freetype/internal/services/svfntfmt.h>
-#define FT_SERVICE_TRUETYPE_GLYF_H <freetype/internal/services/svttglyf.h>
-
- /* */
-
-FT_END_HEADER
-
-#endif /* FTSERV_H_ */
-
-
-/* END */
projects / reactos.git / blobdiff