286 lines
8.2 KiB
C
286 lines
8.2 KiB
C
/***************************************************************************/
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/* */
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/* ftpsprop.c */
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/* */
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/* Get and set properties of PostScript drivers (body). */
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/* See `ftdriver.h' for available properties. */
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/* */
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/* Copyright 2017-2018 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#include <ft2build.h>
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#include FT_DRIVER_H
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#include FT_INTERNAL_DEBUG_H
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#include FT_INTERNAL_POSTSCRIPT_AUX_H
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#include FT_INTERNAL_OBJECTS_H
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#include FT_INTERNAL_POSTSCRIPT_PROPS_H
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_psprops
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FT_BASE_CALLBACK_DEF( FT_Error )
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ps_property_set( FT_Module module, /* PS_Driver */
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const char* property_name,
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const void* value,
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FT_Bool value_is_string )
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{
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FT_Error error = FT_Err_Ok;
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PS_Driver driver = (PS_Driver)module;
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#ifndef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
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FT_UNUSED( value_is_string );
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#endif
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if ( !ft_strcmp( property_name, "darkening-parameters" ) )
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{
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FT_Int* darken_params;
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FT_Int x1, y1, x2, y2, x3, y3, x4, y4;
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#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
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FT_Int dp[8];
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if ( value_is_string )
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{
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const char* s = (const char*)value;
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char* ep;
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int i;
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/* eight comma-separated numbers */
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for ( i = 0; i < 7; i++ )
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{
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dp[i] = (FT_Int)ft_strtol( s, &ep, 10 );
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if ( *ep != ',' || s == ep )
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return FT_THROW( Invalid_Argument );
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s = ep + 1;
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}
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dp[7] = (FT_Int)ft_strtol( s, &ep, 10 );
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if ( !( *ep == '\0' || *ep == ' ' ) || s == ep )
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return FT_THROW( Invalid_Argument );
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darken_params = dp;
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}
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else
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#endif
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darken_params = (FT_Int*)value;
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x1 = darken_params[0];
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y1 = darken_params[1];
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x2 = darken_params[2];
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y2 = darken_params[3];
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x3 = darken_params[4];
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y3 = darken_params[5];
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x4 = darken_params[6];
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y4 = darken_params[7];
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if ( x1 < 0 || x2 < 0 || x3 < 0 || x4 < 0 ||
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y1 < 0 || y2 < 0 || y3 < 0 || y4 < 0 ||
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x1 > x2 || x2 > x3 || x3 > x4 ||
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y1 > 500 || y2 > 500 || y3 > 500 || y4 > 500 )
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return FT_THROW( Invalid_Argument );
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driver->darken_params[0] = x1;
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driver->darken_params[1] = y1;
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driver->darken_params[2] = x2;
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driver->darken_params[3] = y2;
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driver->darken_params[4] = x3;
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driver->darken_params[5] = y3;
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driver->darken_params[6] = x4;
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driver->darken_params[7] = y4;
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return error;
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}
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else if ( !ft_strcmp( property_name, "hinting-engine" ) )
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{
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#if defined( CFF_CONFIG_OPTION_OLD_ENGINE ) || \
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defined( T1_CONFIG_OPTION_OLD_ENGINE )
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const char* module_name = module->clazz->module_name;
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#endif
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#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
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if ( value_is_string )
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{
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const char* s = (const char*)value;
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if ( !ft_strcmp( s, "adobe" ) )
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driver->hinting_engine = FT_HINTING_ADOBE;
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#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
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else if ( !ft_strcmp( module_name, "cff" ) &&
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!ft_strcmp( s, "freetype" ) )
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driver->hinting_engine = FT_HINTING_FREETYPE;
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#endif
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#ifdef T1_CONFIG_OPTION_OLD_ENGINE
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else if ( ( !ft_strcmp( module_name, "type1" ) ||
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!ft_strcmp( module_name, "t1cid" ) ) &&
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!ft_strcmp( s, "freetype" ) )
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driver->hinting_engine = FT_HINTING_FREETYPE;
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#endif
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else
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return FT_THROW( Invalid_Argument );
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}
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else
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#endif /* FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES */
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{
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FT_UInt* hinting_engine = (FT_UInt*)value;
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if ( *hinting_engine == FT_HINTING_ADOBE
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#ifdef CFF_CONFIG_OPTION_OLD_ENGINE
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|| ( *hinting_engine == FT_HINTING_FREETYPE &&
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!ft_strcmp( module_name, "cff" ) )
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#endif
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#ifdef T1_CONFIG_OPTION_OLD_ENGINE
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|| ( *hinting_engine == FT_HINTING_FREETYPE &&
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( !ft_strcmp( module_name, "type1" ) ||
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!ft_strcmp( module_name, "t1cid" ) ) )
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#endif
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)
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driver->hinting_engine = *hinting_engine;
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else
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error = FT_ERR( Unimplemented_Feature );
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return error;
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}
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}
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else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
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{
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#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
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if ( value_is_string )
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{
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const char* s = (const char*)value;
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long nsd = ft_strtol( s, NULL, 10 );
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if ( !nsd )
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driver->no_stem_darkening = FALSE;
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else
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driver->no_stem_darkening = TRUE;
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}
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else
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#endif
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{
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FT_Bool* no_stem_darkening = (FT_Bool*)value;
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driver->no_stem_darkening = *no_stem_darkening;
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}
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return error;
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}
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else if ( !ft_strcmp( property_name, "random-seed" ) )
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{
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FT_Int32 random_seed;
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#ifdef FT_CONFIG_OPTION_ENVIRONMENT_PROPERTIES
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if ( value_is_string )
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{
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const char* s = (const char*)value;
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random_seed = (FT_Int32)ft_strtol( s, NULL, 10 );
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}
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else
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#endif
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random_seed = *(FT_Int32*)value;
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if ( random_seed < 0 )
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random_seed = 0;
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driver->random_seed = random_seed;
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return error;
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}
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FT_TRACE0(( "ps_property_set: missing property `%s'\n",
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property_name ));
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return FT_THROW( Missing_Property );
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}
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FT_BASE_CALLBACK_DEF( FT_Error )
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ps_property_get( FT_Module module, /* PS_Driver */
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const char* property_name,
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void* value )
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{
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FT_Error error = FT_Err_Ok;
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PS_Driver driver = (PS_Driver)module;
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if ( !ft_strcmp( property_name, "darkening-parameters" ) )
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{
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FT_Int* darken_params = driver->darken_params;
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FT_Int* val = (FT_Int*)value;
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val[0] = darken_params[0];
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val[1] = darken_params[1];
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val[2] = darken_params[2];
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val[3] = darken_params[3];
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val[4] = darken_params[4];
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val[5] = darken_params[5];
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val[6] = darken_params[6];
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val[7] = darken_params[7];
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return error;
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}
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else if ( !ft_strcmp( property_name, "hinting-engine" ) )
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{
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FT_UInt hinting_engine = driver->hinting_engine;
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FT_UInt* val = (FT_UInt*)value;
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*val = hinting_engine;
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return error;
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}
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else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )
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{
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FT_Bool no_stem_darkening = driver->no_stem_darkening;
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FT_Bool* val = (FT_Bool*)value;
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*val = no_stem_darkening;
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return error;
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}
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FT_TRACE0(( "ps_property_get: missing property `%s'\n",
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property_name ));
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return FT_THROW( Missing_Property );
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}
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/* END */
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