/***************************************************************************/ /* */ /* afindic.c */ /* */ /* Auto-fitter hinting routines for Indic scripts (body). */ /* */ /* Copyright 2007, 2011 by */ /* Rahul Bhalerao , . */ /* */ /* 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 "aftypes.h" #include "aflatin.h" #ifdef AF_CONFIG_OPTION_INDIC #include "afindic.h" #include "aferrors.h" #include "afcjk.h" #ifdef AF_CONFIG_OPTION_USE_WARPER #include "afwarp.h" #endif static FT_Error af_indic_metrics_init( AF_CJKMetrics metrics, FT_Face face ) { /* skip blue zone init in CJK routines */ FT_CharMap oldmap = face->charmap; metrics->units_per_em = face->units_per_EM; if ( FT_Select_Charmap( face, FT_ENCODING_UNICODE ) ) face->charmap = NULL; else { af_cjk_metrics_init_widths( metrics, face, 0x7530 ); #if 0 /* either need indic specific blue_chars[] or just skip blue zones */ af_cjk_metrics_init_blues( metrics, face, af_cjk_blue_chars ); #endif af_cjk_metrics_check_digits( metrics, face ); } FT_Set_Charmap( face, oldmap ); return AF_Err_Ok; } static void af_indic_metrics_scale( AF_CJKMetrics metrics, AF_Scaler scaler ) { /* use CJK routines */ af_cjk_metrics_scale( metrics, scaler ); } static FT_Error af_indic_hints_init( AF_GlyphHints hints, AF_CJKMetrics metrics ) { /* use CJK routines */ return af_cjk_hints_init( hints, metrics ); } static FT_Error af_indic_hints_apply( AF_GlyphHints hints, FT_Outline* outline, AF_CJKMetrics metrics ) { /* use CJK routines */ return af_cjk_hints_apply( hints, outline, metrics ); } /*************************************************************************/ /*************************************************************************/ /***** *****/ /***** I N D I C S C R I P T C L A S S *****/ /***** *****/ /*************************************************************************/ /*************************************************************************/ static const AF_Script_UniRangeRec af_indic_uniranges[] = { #if 0 AF_UNIRANGE_REC( 0x0100UL, 0xFFFFUL ), /* why this? */ #endif AF_UNIRANGE_REC( 0x0900UL, 0x0DFFUL), /* Indic Range */ AF_UNIRANGE_REC( 0x0F00UL, 0x0FFFUL), /* Tibetan */ AF_UNIRANGE_REC( 0x1900UL, 0x194FUL), /* Limbu */ AF_UNIRANGE_REC( 0x1B80UL, 0x1BBFUL), /* Sundanese */ AF_UNIRANGE_REC( 0x1C80UL, 0x1CDFUL), /* Meetei Mayak */ AF_UNIRANGE_REC( 0xA800UL, 0xA82FUL), /* Syloti Nagri */ AF_UNIRANGE_REC( 0x11800UL, 0x118DFUL), /* Sharada */ AF_UNIRANGE_REC( 0UL, 0UL) }; AF_DEFINE_SCRIPT_CLASS( af_indic_script_class, AF_SCRIPT_INDIC, af_indic_uniranges, sizeof ( AF_CJKMetricsRec ), (AF_Script_InitMetricsFunc) af_indic_metrics_init, (AF_Script_ScaleMetricsFunc)af_indic_metrics_scale, (AF_Script_DoneMetricsFunc) NULL, (AF_Script_InitHintsFunc) af_indic_hints_init, (AF_Script_ApplyHintsFunc) af_indic_hints_apply ) #else /* !AF_CONFIG_OPTION_INDIC */ static const AF_Script_UniRangeRec af_indic_uniranges[] = { { 0, 0 } }; AF_DEFINE_SCRIPT_CLASS( af_indic_script_class, AF_SCRIPT_INDIC, af_indic_uniranges, sizeof ( AF_CJKMetricsRec ), (AF_Script_InitMetricsFunc) NULL, (AF_Script_ScaleMetricsFunc)NULL, (AF_Script_DoneMetricsFunc) NULL, (AF_Script_InitHintsFunc) NULL, (AF_Script_ApplyHintsFunc) NULL ) #endif /* !AF_CONFIG_OPTION_INDIC */ /* END */