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Diffstat (limited to 'src/freetype/afmodule.c')
| -rw-r--r-- | src/freetype/afmodule.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/src/freetype/afmodule.c b/src/freetype/afmodule.c new file mode 100644 index 0000000..d7d8c3c --- /dev/null +++ b/src/freetype/afmodule.c @@ -0,0 +1,144 @@ +/***************************************************************************/ +/* */ +/* afmodule.c */ +/* */ +/* Auto-fitter module implementation (body). */ +/* */ +/* Copyright 2003-2018 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. */ +/* */ +/***************************************************************************/ + + +#include "afglobal.h" +#include "afmodule.h" +#include "afloader.h" +#include "aferrors.h" + +#include FT_INTERNAL_OBJECTS_H +#include FT_INTERNAL_DEBUG_H +#include FT_DRIVER_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_afmodule + + + static const FT_ServiceDescRec af_services[] = + { + { NULL, NULL } + }; + + + FT_CALLBACK_DEF( FT_Module_Interface ) + af_get_interface( FT_Module module, + const char* module_interface ) + { + FT_UNUSED( module ); + + return ft_service_list_lookup( af_services, module_interface ); + } + + + FT_CALLBACK_DEF( FT_Error ) + af_autofitter_init( FT_Module ft_module ) /* AF_Module */ + { + AF_Module module = (AF_Module)ft_module; + + + module->fallback_style = AF_STYLE_FALLBACK; + module->default_script = AF_SCRIPT_DEFAULT; +#ifdef AF_CONFIG_OPTION_USE_WARPER + module->warping = 0; +#endif + module->no_stem_darkening = TRUE; + + module->darken_params[0] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X1; + module->darken_params[1] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y1; + module->darken_params[2] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X2; + module->darken_params[3] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y2; + module->darken_params[4] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X3; + module->darken_params[5] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y3; + module->darken_params[6] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_X4; + module->darken_params[7] = CFF_CONFIG_OPTION_DARKENING_PARAMETER_Y4; + + return FT_Err_Ok; + } + + + FT_CALLBACK_DEF( void ) + af_autofitter_done( FT_Module ft_module ) /* AF_Module */ + { + FT_UNUSED( ft_module ); + } + + + FT_CALLBACK_DEF( FT_Error ) + af_autofitter_load_glyph( AF_Module module, + FT_GlyphSlot slot, + FT_Size size, + FT_UInt glyph_index, + FT_Int32 load_flags ) + { + FT_Error error = FT_Err_Ok; + FT_Memory memory = module->root.library->memory; + + AF_GlyphHintsRec hints[1]; + AF_LoaderRec loader[1]; + + FT_UNUSED( size ); + + + af_glyph_hints_init( hints, memory ); + af_loader_init( loader, hints ); + + error = af_loader_load_glyph( loader, module, slot->face, + glyph_index, load_flags ); + + af_loader_done( loader ); + af_glyph_hints_done( hints ); + + return error; + } + + + FT_DEFINE_AUTOHINTER_INTERFACE( + af_autofitter_interface, + + NULL, /* reset_face */ + NULL, /* get_global_hints */ + NULL, /* done_global_hints */ + (FT_AutoHinter_GlyphLoadFunc)af_autofitter_load_glyph ) /* load_glyph */ + + + FT_DEFINE_MODULE( + autofit_module_class, + + FT_MODULE_HINTER, + sizeof ( AF_ModuleRec ), + + "autofitter", + 0x10000L, /* version 1.0 of the autofitter */ + 0x20000L, /* requires FreeType 2.0 or above */ + + (const void*)&af_autofitter_interface, + + (FT_Module_Constructor)af_autofitter_init, /* module_init */ + (FT_Module_Destructor) af_autofitter_done, /* module_done */ + (FT_Module_Requester) af_get_interface /* get_interface */ + ) + + +/* END */ |