/src/compiler/android-ndk/jni/freetype/src/base/ftinit.c
http://ftk.googlecode.com/ · C · 252 lines · 135 code · 58 blank · 59 comment · 12 complexity · 6d4bd8db14814c0d222960bd55215745 MD5 · raw file
- /***************************************************************************/
- /* */
- /* ftinit.c */
- /* */
- /* FreeType initialization layer (body). */
- /* */
- /* Copyright 1996-2001, 2002, 2005, 2007, 2009 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 <ft2build.h>
- #include FT_CONFIG_CONFIG_H
- #include FT_INTERNAL_OBJECTS_H
- #include FT_INTERNAL_DEBUG_H
- #include FT_MODULE_H
- #include "basepic.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
- #ifndef FT_CONFIG_OPTION_PIC
- #undef FT_USE_MODULE
- #ifdef __cplusplus
- #define FT_USE_MODULE( type, x ) extern "C" const type x;
- #else
- #define FT_USE_MODULE( type, x ) extern const type x;
- #endif
- #include FT_CONFIG_MODULES_H
- #undef FT_USE_MODULE
- #define FT_USE_MODULE( type, x ) (const FT_Module_Class*)&(x),
- static
- const FT_Module_Class* const ft_default_modules[] =
- {
- #include FT_CONFIG_MODULES_H
- 0
- };
- #else /* FT_CONFIG_OPTION_PIC */
- #ifdef __cplusplus
- #define FT_EXTERNC extern "C"
- #else
- #define FT_EXTERNC extern
- #endif
- /* declare the module's class creation/destruction functions */
- #undef FT_USE_MODULE
- #define FT_USE_MODULE( type, x ) \
- FT_EXTERNC FT_Error FT_Create_Class_##x( FT_Library library, FT_Module_Class** output_class ); \
- FT_EXTERNC void FT_Destroy_Class_##x( FT_Library library, FT_Module_Class* clazz );
- #include FT_CONFIG_MODULES_H
- /* count all module classes */
- #undef FT_USE_MODULE
- #define FT_USE_MODULE( type, x ) MODULE_CLASS_##x,
- enum {
- #include FT_CONFIG_MODULES_H
- FT_NUM_MODULE_CLASSES
- };
- /* destroy all module classes */
- #undef FT_USE_MODULE
- #define FT_USE_MODULE( type, x ) \
- if ( classes[i] ) { FT_Destroy_Class_##x(library, classes[i]); } \
- i++; \
- FT_BASE_DEF( void )
- ft_destroy_default_module_classes( FT_Library library )
- {
- FT_Module_Class** classes;
- FT_Memory memory;
- FT_UInt i;
- BasePIC* pic_container = (BasePIC*)library->pic_container.base;
- if ( !pic_container->default_module_classes )
- return;
- memory = library->memory;
- classes = pic_container->default_module_classes;
- i = 0;
- #include FT_CONFIG_MODULES_H
- FT_FREE( classes );
- pic_container->default_module_classes = 0;
- }
- /* initialize all module classes and the pointer table */
- #undef FT_USE_MODULE
- #define FT_USE_MODULE( type, x ) \
- error = FT_Create_Class_##x(library, &clazz); \
- if (error) goto Exit; \
- classes[i++] = clazz;
- FT_BASE_DEF( FT_Error )
- ft_create_default_module_classes( FT_Library library )
- {
- FT_Error error;
- FT_Memory memory;
- FT_Module_Class** classes;
- FT_Module_Class* clazz;
- FT_UInt i;
- BasePIC* pic_container = (BasePIC*)library->pic_container.base;
- memory = library->memory;
- pic_container->default_module_classes = 0;
- if ( FT_ALLOC(classes, sizeof(FT_Module_Class*) * (FT_NUM_MODULE_CLASSES + 1) ) )
- return error;
- /* initialize all pointers to 0, especially the last one */
- for (i = 0; i < FT_NUM_MODULE_CLASSES; i++)
- classes[i] = 0;
- classes[FT_NUM_MODULE_CLASSES] = 0;
- i = 0;
- #include FT_CONFIG_MODULES_H
- Exit:
- if (error) ft_destroy_default_module_classes( library );
- else pic_container->default_module_classes = classes;
- return error;
- }
- #endif /* FT_CONFIG_OPTION_PIC */
- /* documentation is in ftmodapi.h */
- 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_GET;
- while ( *cur )
- {
- error = FT_Add_Module( library, *cur );
- /* notify errors, but don't stop */
- if ( error )
- FT_TRACE0(( "FT_Add_Default_Module:"
- " Cannot install `%s', error = 0x%x\n",
- (*cur)->module_name, error ));
- cur++;
- }
- }
- /* documentation is in freetype.h */
- FT_EXPORT_DEF( FT_Error )
- FT_Init_FreeType( FT_Library *alibrary )
- {
- 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, alibrary );
- if ( error )
- FT_Done_Memory( memory );
- else
- FT_Add_Default_Modules( *alibrary );
- return error;
- }
- /* documentation is in freetype.h */
- 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 */