ref: 6e89ad4141a02d89577b29b015c665ea70770869
dir: /src/truetype/ttsubpix.h/
/***************************************************************************/ /* */ /* ttsubpix.h */ /* */ /* TrueType Subpixel Hinting. */ /* */ /* Copyright 2010-2016 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. */ /* */ /***************************************************************************/ #ifndef TTSUBPIX_H_ #define TTSUBPIX_H_ #include <ft2build.h> #include "ttobjs.h" #include "ttinterp.h" FT_BEGIN_HEADER #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING /*************************************************************************/ /* */ /* ID flags to identify special functions at FDEF and runtime. */ /* */ /* */ #define SPH_FDEF_INLINE_DELTA_1 0x0000001 #define SPH_FDEF_INLINE_DELTA_2 0x0000002 #define SPH_FDEF_DIAGONAL_STROKE 0x0000004 #define SPH_FDEF_VACUFORM_ROUND_1 0x0000008 #define SPH_FDEF_TTFAUTOHINT_1 0x0000010 #define SPH_FDEF_SPACING_1 0x0000020 #define SPH_FDEF_SPACING_2 0x0000040 #define SPH_FDEF_TYPEMAN_STROKES 0x0000080 #define SPH_FDEF_TYPEMAN_DIAGENDCTRL 0x0000100 /*************************************************************************/ /* */ /* Tweak flags that are set for each glyph by the below rules. */ /* */ /* */ #define SPH_TWEAK_ALLOW_X_DMOVE 0x0000001UL #define SPH_TWEAK_ALWAYS_DO_DELTAP 0x0000002UL #define SPH_TWEAK_ALWAYS_SKIP_DELTAP 0x0000004UL #define SPH_TWEAK_COURIER_NEW_2_HACK 0x0000008UL #define SPH_TWEAK_DEEMBOLDEN 0x0000010UL #define SPH_TWEAK_DO_SHPIX 0x0000020UL #define SPH_TWEAK_EMBOLDEN 0x0000040UL #define SPH_TWEAK_MIAP_HACK 0x0000080UL #define SPH_TWEAK_NORMAL_ROUND 0x0000100UL #define SPH_TWEAK_NO_ALIGNRP_AFTER_IUP 0x0000200UL #define SPH_TWEAK_NO_CALL_AFTER_IUP 0x0000400UL #define SPH_TWEAK_NO_DELTAP_AFTER_IUP 0x0000800UL #define SPH_TWEAK_PIXEL_HINTING 0x0001000UL #define SPH_TWEAK_RASTERIZER_35 0x0002000UL #define SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES 0x0004000UL #define SPH_TWEAK_SKIP_IUP 0x0008000UL #define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES 0x0010000UL #define SPH_TWEAK_SKIP_OFFPIXEL_Y_MOVES 0x0020000UL #define SPH_TWEAK_TIMES_NEW_ROMAN_HACK 0x0040000UL #define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES_DELTAP 0x0080000UL FT_LOCAL( FT_Bool ) sph_test_tweak( TT_Face face, const FT_String* family, FT_UInt ppem, const FT_String* style, FT_UInt glyph_index, const SPH_TweakRule* rule, FT_UInt num_rules ); FT_LOCAL( FT_UInt ) sph_test_tweak_x_scaling( TT_Face face, const FT_String* family, FT_UInt ppem, const FT_String* style, FT_UInt glyph_index ); FT_LOCAL( void ) sph_set_tweaks( TT_Loader loader, FT_UInt glyph_index ); /* These macros are defined absent a method for setting them */ #define SPH_OPTION_BITMAP_WIDTHS FALSE #define SPH_OPTION_SET_SUBPIXEL TRUE #define SPH_OPTION_SET_GRAYSCALE FALSE #define SPH_OPTION_SET_COMPATIBLE_WIDTHS FALSE #define SPH_OPTION_SET_RASTERIZER_VERSION 38 #endif /* TT_CONFIG_OPTION_SUBPIXEL_HINTING */ FT_END_HEADER #endif /* TTSUBPIX_H_ */ /* END */