diff options
Diffstat (limited to '3rdparty/freetype/src/truetype/ttsubpix.h')
| -rw-r--r-- | 3rdparty/freetype/src/truetype/ttsubpix.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/3rdparty/freetype/src/truetype/ttsubpix.h b/3rdparty/freetype/src/truetype/ttsubpix.h new file mode 100644 index 0000000..5e5d8e6 --- /dev/null +++ b/3rdparty/freetype/src/truetype/ttsubpix.h @@ -0,0 +1,113 @@ +/***************************************************************************/ +/* */ +/* ttsubpix.h */ +/* */ +/* TrueType Subpixel Hinting. */ +/* */ +/* Copyright 2010-2013 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 + + + /*************************************************************************/ + /* */ + /* Tweak flags that are set for each glyph by the below rules. */ + /* */ + /* */ +#define SPH_TWEAK_ALLOW_X_DMOVE 0x0000001 +#define SPH_TWEAK_ALLOW_X_DMOVEX 0x0000002 +#define SPH_TWEAK_ALLOW_X_MOVE_ZP2 0x0000004 +#define SPH_TWEAK_ALWAYS_DO_DELTAP 0x0000008 +#define SPH_TWEAK_ALWAYS_SKIP_DELTAP 0x0000010 +#define SPH_TWEAK_COURIER_NEW_2_HACK 0x0000020 +#define SPH_TWEAK_DEEMBOLDEN 0x0000040 +#define SPH_TWEAK_DELTAP_SKIP_EXAGGERATED_VALUES 0x0000080 +#define SPH_TWEAK_DO_SHPIX 0x0000100 +#define SPH_TWEAK_EMBOLDEN 0x0000200 +#define SPH_TWEAK_MIAP_HACK 0x0000400 +#define SPH_TWEAK_NORMAL_ROUND 0x0000800 +#define SPH_TWEAK_NO_ALIGNRP_AFTER_IUP 0x0001000 +#define SPH_TWEAK_NO_CALL_AFTER_IUP 0x0002000 +#define SPH_TWEAK_NO_DELTAP_AFTER_IUP 0x0004000 +#define SPH_TWEAK_PIXEL_HINTING 0x0008000 +#define SPH_TWEAK_RASTERIZER_35 0x0010000 +#define SPH_TWEAK_ROUND_NONPIXEL_Y_MOVES 0x0020000 +#define SPH_TWEAK_SKIP_INLINE_DELTAS 0x0040000 +#define SPH_TWEAK_SKIP_IUP 0x0080000 +#define SPH_TWEAK_SKIP_NONPIXEL_Y_MOVES 0x0100000 +#define SPH_TWEAK_SKIP_OFFPIXEL_Y_MOVES 0x0200000 +#define SPH_TWEAK_TIMES_NEW_ROMAN_HACK 0x0400000 +#define SPH_TWEAK_MIRP_CVT_ZERO 0x0800000 + + + 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 */ |