/**************************************************************************** * * sfwoff2.h * * WOFFF2 format management (specification). * * Copyright (C) 2019-2021 by * Nikhil Ramakrishnan, 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 SFWOFF2_H_ #define SFWOFF2_H_ #include #include FT_BEGIN_HEADER #ifdef FT_CONFIG_OPTION_USE_BROTLI /* Leave the first byte open to store `flag_byte'. */ #define WOFF2_FLAGS_TRANSFORM 1 << 8 #define WOFF2_SFNT_HEADER_SIZE 12 #define WOFF2_SFNT_ENTRY_SIZE 16 /* Suggested maximum size for output. */ #define WOFF2_DEFAULT_MAX_SIZE 30 * 1024 * 1024 /* 98% of Google Fonts have no glyph above 5k bytes. */ #define WOFF2_DEFAULT_GLYPH_BUF 5120 /* Composite glyph flags. */ /* See `CompositeGlyph.java' in `sfntly' for full definitions. */ #define FLAG_ARG_1_AND_2_ARE_WORDS 1 << 0 #define FLAG_WE_HAVE_A_SCALE 1 << 3 #define FLAG_MORE_COMPONENTS 1 << 5 #define FLAG_WE_HAVE_AN_X_AND_Y_SCALE 1 << 6 #define FLAG_WE_HAVE_A_TWO_BY_TWO 1 << 7 #define FLAG_WE_HAVE_INSTRUCTIONS 1 << 8 /* Simple glyph flags */ #define GLYF_ON_CURVE 1 << 0 #define GLYF_X_SHORT 1 << 1 #define GLYF_Y_SHORT 1 << 2 #define GLYF_REPEAT 1 << 3 #define GLYF_THIS_X_IS_SAME 1 << 4 #define GLYF_THIS_Y_IS_SAME 1 << 5 /* Other constants */ #define CONTOUR_OFFSET_END_POINT 10 FT_LOCAL( FT_Error ) woff2_open_font( FT_Stream stream, TT_Face face, FT_Int* face_index, FT_Long* num_faces ); #endif /* FT_CONFIG_OPTION_USE_BROTLI */ FT_END_HEADER #endif /* SFWOFF2_H_ */ /* END */