124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/***************************************************************************/
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/* */
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/* ftt1drv.h */
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/* */
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/* FreeType API for controlling the Type 1 driver (specification only). */
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/* */
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/* Copyright 2017 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef FTT1DRV_H_
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#define FTT1DRV_H_
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#ifdef FREETYPE_H
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#error "freetype.h of FreeType 1 has been loaded!"
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#error "Please fix the directory search order for header files"
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#error "so that freetype.h of FreeType 2 is found first."
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#endif
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FT_BEGIN_HEADER
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/**************************************************************************
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*
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* @property:
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* hinting-engine[type1]
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*
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* @description:
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* Thanks to Adobe, which contributed a new hinting (and parsing)
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* engine, an application can select between `freetype' and `adobe' if
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* compiled with T1_CONFIG_OPTION_OLD_ENGINE. If this configuration
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* macro isn't defined, `hinting-engine' does nothing.
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*
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* The default engine is `freetype' if T1_CONFIG_OPTION_OLD_ENGINE is
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* defined, and `adobe' otherwise.
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*
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* The following example code demonstrates how to select Adobe's hinting
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* engine (omitting the error handling).
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*
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* {
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* FT_Library library;
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* FT_UInt hinting_engine = FT_T1_HINTING_ADOBE;
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*
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*
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* FT_Init_FreeType( &library );
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*
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* FT_Property_Set( library, "type1",
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* "hinting-engine", &hinting_engine );
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* }
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*
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* @note:
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* This property can be used with @FT_Property_Get also.
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*
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* This property can be set via the `FREETYPE_PROPERTIES' environment
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* variable (using values `adobe' or `freetype').
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*
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* @since:
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* 2.8.2
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*
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*/
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/**************************************************************************
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*
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* @enum:
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* FT_T1_HINTING_XXX
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*
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* @description:
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* A list of constants used for the @hinting-engine[type1] property to
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* select the hinting engine for Type 1 fonts.
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*
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* @values:
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* FT_T1_HINTING_FREETYPE ::
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* Use the old FreeType hinting engine.
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*
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* FT_T1_HINTING_ADOBE ::
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* Use the hinting engine contributed by Adobe.
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*
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* @since:
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* 2.8.2
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*
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*/
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#define FT_T1_HINTING_FREETYPE 0
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#define FT_T1_HINTING_ADOBE 1
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/**************************************************************************
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*
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* @constant:
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* FT_PARAM_TAG_RANDOM_SEED
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*
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* @description:
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* An @FT_Parameter tag to be used with @FT_Face_Properties. The
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* corresponding 32bit signed integer argument overrides the CFF
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* module's random seed value with a face-specific one; see
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* @random-seed.
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*
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*/
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#define FT_PARAM_TAG_RANDOM_SEED \
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FT_MAKE_TAG( 's', 'e', 'e', 'd' )
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/* */
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FT_END_HEADER
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#endif /* FTT1DRV_H_ */
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/* END */
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