ref: 68fae526c447f646df0a4058fd5bc651eb38ce71
dir: /src/base/ftpsprop.c/
/**************************************************************************** * * ftpsprop.c * * Get and set properties of PostScript drivers (body). * See `ftdriver.h' for available properties. * * Copyright (C) 2017-2021 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 <freetype/ftdriver.h> #include <freetype/internal/ftdebug.h> #include <freetype/internal/psaux.h> #include <freetype/internal/ftobjs.h> #include <freetype/internal/ftpsprop.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 psprops FT_BASE_CALLBACK_DEF( FT_Error ) ps_property_set( FT_Module module, /* PS_Driver */ const char* property_name, const void* value, FT_Bool value_is_string ) { FT_Error error = FT_Err_Ok; PS_Driver driver = (PS_Driver)module; #ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES FT_UNUSED( value_is_string ); #endif if ( !ft_strcmp( property_name, "darkening-parameters" ) ) { FT_Int* darken_params; FT_Int x1, y1, x2, y2, x3, y3, x4, y4; #ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES FT_Int dp[8]; if ( value_is_string ) { const char* s = (const char*)value; char* ep; int i; /* eight comma-separated numbers */ for ( i = 0; i < 7; i++ ) { dp[i] = (FT_Int)ft_strtol( s, &ep, 10 ); if ( *ep != ',' || s == ep ) return FT_THROW( Invalid_Argument ); s = ep + 1; } dp[7] = (FT_Int)ft_strtol( s, &ep, 10 ); if ( !( *ep == '\0' || *ep == ' ' ) || s == ep ) return FT_THROW( Invalid_Argument ); darken_params = dp; } else #endif darken_params = (FT_Int*)value; x1 = darken_params[0]; y1 = darken_params[1]; x2 = darken_params[2]; y2 = darken_params[3]; x3 = darken_params[4]; y3 = darken_params[5]; x4 = darken_params[6]; y4 = darken_params[7]; if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 || y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 || x1 > x2 || x2 > x3 || x3 > x4 || y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 ) return FT_THROW( Invalid_Argument ); driver->darken_params[0] = x1; driver->darken_params[1] = y1; driver->darken_params[2] = x2; driver->darken_params[3] = y2; driver->darken_params[4] = x3; driver->darken_params[5] = y3; driver->darken_params[6] = x4; driver->darken_params[7] = y4; return error; } else if ( !ft_strcmp( property_name, "hinting-engine" ) ) { #if defined( CFF_CONFIG_OPTION_OLD_ENGINE ) || \ defined( T1_CONFIG_OPTION_OLD_ENGINE ) const char* module_name = module->clazz->module_name; #endif #ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES if ( value_is_string ) { const char* s = (const char*)value; if ( !ft_strcmp( s, "adobe" ) ) driver->hinting_engine = FT_HINTING_ADOBE; #ifdef CFF_CONFIG_OPTION_OLD_ENGINE else if ( !ft_strcmp( module_name, "cff" ) && !ft_strcmp( s, "freetype" ) ) driver->hinting_engine = FT_HINTING_FREETYPE; #endif #ifdef T1_CONFIG_OPTION_OLD_ENGINE else if ( ( !ft_strcmp( module_name, "type1" ) || !ft_strcmp( module_name, "t1cid" ) ) && !ft_strcmp( s, "freetype" ) ) driver->hinting_engine = FT_HINTING_FREETYPE; #endif else return FT_THROW( Invalid_Argument ); } else #endif /* FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES */ { FT_UInt* hinting_engine = (FT_UInt*)value; if ( *hinting_engine == FT_HINTING_ADOBE #ifdef CFF_CONFIG_OPTION_OLD_ENGINE || ( *hinting_engine == FT_HINTING_FREETYPE && !ft_strcmp( module_name, "cff" ) ) #endif #ifdef T1_CONFIG_OPTION_OLD_ENGINE || ( *hinting_engine == FT_HINTING_FREETYPE && ( !ft_strcmp( module_name, "type1" ) || !ft_strcmp( module_name, "t1cid" ) ) ) #endif ) driver->hinting_engine = *hinting_engine; else error = FT_ERR( Unimplemented_Feature ); } return error; } else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) { #ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES if ( value_is_string ) { const char* s = (const char*)value; long nsd = ft_strtol( s, NULL, 10 ); if ( !nsd ) driver->no_stem_darkening = FALSE; else driver->no_stem_darkening = TRUE; } else #endif { FT_Bool* no_stem_darkening = (FT_Bool*)value; driver->no_stem_darkening = *no_stem_darkening; } return error; } else if ( !ft_strcmp( property_name, "random-seed" ) ) { FT_Int32 random_seed; #ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES if ( value_is_string ) { const char* s = (const char*)value; random_seed = (FT_Int32)ft_strtol( s, NULL, 10 ); } else #endif random_seed = *(FT_Int32*)value; if ( random_seed < 0 ) random_seed = 0; driver->random_seed = random_seed; return error; } FT_TRACE2(( "ps_property_set: missing property `%s'\n", property_name )); return FT_THROW( Missing_Property ); } FT_BASE_CALLBACK_DEF( FT_Error ) ps_property_get( FT_Module module, /* PS_Driver */ const char* property_name, void* value ) { FT_Error error = FT_Err_Ok; PS_Driver driver = (PS_Driver)module; if ( !ft_strcmp( property_name, "darkening-parameters" ) ) { FT_Int* darken_params = driver->darken_params; FT_Int* val = (FT_Int*)value; val[0] = darken_params[0]; val[1] = darken_params[1]; val[2] = darken_params[2]; val[3] = darken_params[3]; val[4] = darken_params[4]; val[5] = darken_params[5]; val[6] = darken_params[6]; val[7] = darken_params[7]; return error; } else if ( !ft_strcmp( property_name, "hinting-engine" ) ) { FT_UInt hinting_engine = driver->hinting_engine; FT_UInt* val = (FT_UInt*)value; *val = hinting_engine; return error; } else if ( !ft_strcmp( property_name, "no-stem-darkening" ) ) { FT_Bool no_stem_darkening = driver->no_stem_darkening; FT_Bool* val = (FT_Bool*)value; *val = no_stem_darkening; return error; } FT_TRACE2(( "ps_property_get: missing property `%s'\n", property_name )); return FT_THROW( Missing_Property ); } /* END */