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Diffstat (limited to 'include/freetype/ftt1drv.h')
| -rw-r--r-- | include/freetype/ftt1drv.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/include/freetype/ftt1drv.h b/include/freetype/ftt1drv.h new file mode 100644 index 000000000..116b33b05 --- /dev/null +++ b/include/freetype/ftt1drv.h @@ -0,0 +1,116 @@ +/***************************************************************************/ +/* */ +/* ftt1drv.h */ +/* */ +/* FreeType API for controlling the Type 1 driver (specification only). */ +/* */ +/* Copyright 2013-2017 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 FTT1DRV_H_ +#define FTT1DRV_H_ + +#include <ft2build.h> +#include FT_FREETYPE_H + +#ifdef FREETYPE_H +#error "freetype.h of FreeType 1 has been loaded!" +#error "Please fix the directory search order for header files" +#error "so that freetype.h of FreeType 2 is found first." +#endif + + +FT_BEGIN_HEADER + + + + /************************************************************************** + * + * @property: + * hinting-engine[type1] + * + * @description: + * Thanks to Adobe, which contributed a new hinting (and parsing) + * engine, an application can select between `freetype' and `adobe' if + * compiled with T1_CONFIG_OPTION_OLD_ENGINE. If this configuration + * macro isn't defined, `hinting-engine' does nothing. + * + * The default engine is `freetype' if T1_CONFIG_OPTION_OLD_ENGINE is + * defined, and `adobe' otherwise. + * + * The following example code demonstrates how to select Adobe's hinting + * engine (omitting the error handling). + * + * { + * FT_Library library; + * FT_UInt hinting_engine = FT_T1_HINTING_ADOBE; + * + * + * FT_Init_FreeType( &library ); + * + * FT_Property_Set( library, "type1", + * "hinting-engine", &hinting_engine ); + * } + * + * @note: + * This property can be used with @FT_Property_Get also. + * + * This property can be set via the `FREETYPE_PROPERTIES' environment + * variable (using values `adobe' or `freetype'). + */ + + + /************************************************************************** + * + * @enum: + * FT_T1_HINTING_XXX + * + * @description: + * A list of constants used for the @hinting-engine[type1] property to + * select the hinting engine for Type 1 fonts. + * + * @values: + * FT_T1_HINTING_FREETYPE :: + * Use the old FreeType hinting engine. + * + * FT_T1_HINTING_ADOBE :: + * Use the hinting engine contributed by Adobe. + * + */ +#define FT_T1_HINTING_FREETYPE 0 +#define FT_T1_HINTING_ADOBE 1 + + /************************************************************************** + * + * @constant: + * FT_PARAM_TAG_RANDOM_SEED + * + * @description: + * An @FT_Parameter tag to be used with @FT_Face_Properties. The + * corresponding 32bit signed integer argument overrides the CFF + * module's random seed value with a face-specific one; see + * @random-seed. + * + */ +#define FT_PARAM_TAG_RANDOM_SEED \ + FT_MAKE_TAG( 's', 'e', 'e', 'd' ) + + /* */ + + +FT_END_HEADER + + +#endif /* FTT1DRV_H_ */ + + +/* END */ |