ref: 1018d7a7091fd5e0433f501a3474cdc3fec322cc
dir: /libfreetype/ftpfr.c/
/***************************************************************************/ /* */ /* ftpfr.c */ /* */ /* FreeType API for accessing PFR-specific data */ /* */ /* Copyright 2002 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 <ft2build.h> #include FT_INTERNAL_PFR_H #include FT_INTERNAL_OBJECTS_H /* check the format */ static FT_Error ft_pfr_check( FT_Face face, FT_PFR_Service *aservice ) { FT_Error error = FT_Err_Bad_Argument; if ( face && face->driver ) { FT_Module module = (FT_Module) face->driver; const char* name = module->clazz->module_name; if ( name[0] == 'p' && name[1] == 'f' && name[2] == 'r' && name[4] == 0 ) { *aservice = (FT_PFR_Service) module->clazz->module_interface; error = 0; } } return error; } FT_EXPORT_DEF( FT_Error ) FT_Get_PFR_Metrics( FT_Face face, FT_UInt *aoutline_resolution, FT_UInt *ametrics_resolution, FT_Fixed *ametrics_x_scale, FT_Fixed *ametrics_y_scale ) { FT_Error error; FT_PFR_Service service; error = ft_pfr_check( face, &service ); if ( !error ) { error = service->get_metrics( face, aoutline_resolution, ametrics_resolution, ametrics_x_scale, ametrics_y_scale ); } return error; } FT_EXPORT_DEF( FT_Error ) FT_Get_PFR_Kerning( FT_Face face, FT_UInt left, FT_UInt right, FT_Vector *avector ) { FT_Error error; FT_PFR_Service service; error = ft_pfr_check( face, &service ); if ( !error ) { error = service->get_kerning( face, left, right, avector ); } return error; } FT_EXPORT_DEF( FT_Error ) FT_Get_PFR_Advance( FT_Face face, FT_UInt gindex, FT_Pos *aadvance ) { FT_Error error; FT_PFR_Service service; error = ft_pfr_check( face, &service ); if ( !error ) { error = service->get_advance( face, gindex, aadvance ); } return error; } /* END */