kc3-lang/freetype/src/base/ftinit.c
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Hash : 76a5f623
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Date : 2000-11-04T01:55:49
major reformatting of the sources: FT_EXPORT_DEF => FT_EXPORT FT_EXPORT_FUNC => FT_EXPORT_DEF BASE_DEF => FT_BASE BASE_FUNC => FT_BASE_DEF LOCAL_DEF => FT_LOCAL LOCAL_FUNC => FT_LOCAL_DEF LOCAL_FUNC_X => FT_CALLBACK_DEF LOCAL_DEF_X => FT_CALLBACK_TABLE FT_CPLUSPLUS => FT_CALLBACK_TABLE_DEF
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src/base/ftinit.c
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/***************************************************************************/ /* */ /* ftinit.c */ /* */ /* FreeType initialization layer (body). */ /* */ /* Copyright 1996-2000 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. */ /* */ /***************************************************************************/ /*************************************************************************/ /* */ /* The purpose of this file is to implement the following two */ /* functions: */ /* */ /* FT_Add_Default_Modules(): */ /* This function is used to add the set of default modules to a */ /* fresh new library object. The set is taken from the header file */ /* `freetype/config/ftmodule.h'. See the document `FreeType 2.0 */ /* Build System' for more information. */ /* */ /* FT_Init_FreeType(): */ /* This function creates a system object for the current platform, */ /* builds a library out of it, then calls FT_Default_Drivers(). */ /* */ /* Note that even if FT_Init_FreeType() uses the implementation of the */ /* system object defined at build time, client applications are still */ /* able to provide their own `ftsystem.c'. */ /* */ /*************************************************************************/ #include <freetype/config/ftconfig.h> #include <freetype/internal/ftobjs.h> #include <freetype/internal/ftdebug.h> #include <freetype/ftmodule.h> /*************************************************************************/ /* */ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ /* messages during execution. */ /* */ #undef FT_COMPONENT #define FT_COMPONENT trace_init #undef FT_USE_MODULE #ifdef __cplusplus #define FT_USE_MODULE( x ) extern "C" const FT_Module_Class* x; #else #define FT_USE_MODULE( x ) extern const FT_Module_Class* x; #endif #include <freetype/config/ftmodule.h> #undef FT_USE_MODULE #define FT_USE_MODULE( x ) (const FT_Module_Class*)&x, static const FT_Module_Class* const ft_default_modules[] = { #include <freetype/config/ftmodule.h> 0 }; /*************************************************************************/ /* */ /* <Function> */ /* FT_Add_Default_Modules */ /* */ /* <Description> */ /* Adds the set of default drivers to a given library object. */ /* This is only useful when you create a library object with */ /* FT_New_Library() (usually to plug a custom memory manager). */ /* */ /* <InOut> */ /* library :: A handle to a new library object. */ /* */ FT_EXPORT_DEF( void ) FT_Add_Default_Modules( FT_Library library ) { FT_Error error; const FT_Module_Class* const* cur; /* test for valid `library' delayed to FT_Add_Module() */ cur = ft_default_modules; while ( *cur ) { error = FT_Add_Module( library, *cur ); /* notify errors, but don't stop */ if ( error ) { FT_ERROR(( "FT_Add_Default_Module: Cannot install `%s', error = %x\n", (*cur)->module_name, error )); } cur++; } } /*************************************************************************/ /* */ /* <Function> */ /* FT_Init_FreeType */ /* */ /* <Description> */ /* Initializes a new FreeType library object. The set of drivers */ /* that are registered by this function is determined at build time. */ /* */ /* <Output> */ /* library :: A handle to a new library object. */ /* */ /* <Return> */ /* FreeType error code. 0 means success. */ /* */ FT_EXPORT_DEF( FT_Error ) FT_Init_FreeType( FT_Library* library ) { FT_Error error; FT_Memory memory; /* First of all, allocate a new system object -- this function is part */ /* of the system-specific component, i.e. `ftsystem.c'. */ memory = FT_New_Memory(); if ( !memory ) { FT_ERROR(( "FT_Init_FreeType: cannot find memory manager\n" )); return FT_Err_Unimplemented_Feature; } /* build a library out of it, then fill it with the set of */ /* default drivers. */ error = FT_New_Library( memory, library ); if ( !error ) FT_Add_Default_Modules( *library ); return error; } /*************************************************************************/ /* */ /* <Function> */ /* FT_Done_FreeType */ /* */ /* <Description> */ /* Destroys a given FreeType library object and all of its childs, */ /* including resources, drivers, faces, sizes, etc. */ /* */ /* <Input> */ /* library :: A handle to the target library object. */ /* */ /* <Return> */ /* FreeType error code. 0 means success. */ /* */ FT_EXPORT_DEF( FT_Error ) FT_Done_FreeType( FT_Library library ) { if ( library ) { FT_Memory memory = library->memory; /* Discard the library object */ FT_Done_Library( library ); /* discard memory manager */ FT_Done_Memory( memory ); } return FT_Err_Ok; } /* END */