2018-06-03 22:00:42 +02:00
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/****************************************************************************
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*
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* svmetric.h
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*
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* The FreeType services for metrics variations (specification).
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*
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2020-01-19 17:05:19 +01:00
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* Copyright (C) 2016-2020 by
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2018-06-03 22:00:42 +02:00
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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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2016-12-14 20:44:11 +01:00
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#ifndef SVMETRIC_H_
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#define SVMETRIC_H_
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2020-06-08 13:31:55 +02:00
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#include <freetype/internal/ftserv.h>
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2016-12-14 20:44:11 +01:00
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FT_BEGIN_HEADER
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/*
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2018-06-03 22:00:42 +02:00
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* A service to manage the `HVAR, `MVAR', and `VVAR' OpenType tables.
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2016-12-14 20:44:11 +01:00
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*
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*/
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#define FT_SERVICE_ID_METRICS_VARIATIONS "metrics-variations"
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/* HVAR */
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typedef FT_Error
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(*FT_HAdvance_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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typedef FT_Error
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(*FT_LSB_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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typedef FT_Error
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(*FT_RSB_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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/* VVAR */
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typedef FT_Error
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(*FT_VAdvance_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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typedef FT_Error
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(*FT_TSB_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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typedef FT_Error
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(*FT_BSB_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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typedef FT_Error
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(*FT_VOrg_Adjust_Func)( FT_Face face,
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FT_UInt gindex,
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FT_Int *avalue );
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/* MVAR */
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2017-01-11 14:12:34 +01:00
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typedef void
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(*FT_Metrics_Adjust_Func)( FT_Face face );
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2016-12-14 20:44:11 +01:00
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FT_DEFINE_SERVICE( MetricsVariations )
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{
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FT_HAdvance_Adjust_Func hadvance_adjust;
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FT_LSB_Adjust_Func lsb_adjust;
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FT_RSB_Adjust_Func rsb_adjust;
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FT_VAdvance_Adjust_Func vadvance_adjust;
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FT_TSB_Adjust_Func tsb_adjust;
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FT_BSB_Adjust_Func bsb_adjust;
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FT_VOrg_Adjust_Func vorg_adjust;
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FT_Metrics_Adjust_Func metrics_adjust;
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};
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#define FT_DEFINE_SERVICE_METRICSVARIATIONSREC( class_, \
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hadvance_adjust_, \
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lsb_adjust_, \
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rsb_adjust_, \
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vadvance_adjust_, \
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tsb_adjust_, \
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bsb_adjust_, \
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vorg_adjust_, \
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metrics_adjust_ ) \
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static const FT_Service_MetricsVariationsRec class_ = \
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{ \
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hadvance_adjust_, \
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lsb_adjust_, \
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rsb_adjust_, \
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vadvance_adjust_, \
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tsb_adjust_, \
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bsb_adjust_, \
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vorg_adjust_, \
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metrics_adjust_ \
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};
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/* */
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FT_END_HEADER
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#endif /* SVMETRIC_H_ */
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/* END */
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