1658685967
* */*: Remove `#include <ft2build.h>' where possible. * include/freetype/freetype.h: Remove cpp error about missing inclusion of `ft2build.h'.
172 lines
4.0 KiB
C
172 lines
4.0 KiB
C
/****************************************************************************
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*
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* pshrec.h
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*
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* Postscript (Type1/Type2) hints recorder (specification).
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*
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* Copyright (C) 2001-2020 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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/***************************************************************************
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*
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* The functions defined here are called from the Type 1, CID and CFF
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* font drivers to record the hints of a given character/glyph.
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*
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* The hints are recorded in a unified format, and are later processed
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* by the `optimizer' and `fitter' to adjust the outlines to the pixel
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* grid.
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*
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*/
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#ifndef PSHREC_H_
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#define PSHREC_H_
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#include <freetype/internal/pshints.h>
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#include "pshglob.h"
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FT_BEGIN_HEADER
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** GLYPH HINTS RECORDER INTERNALS *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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/* handle to hint record */
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typedef struct PS_HintRec_* PS_Hint;
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/* hint types */
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typedef enum PS_Hint_Type_
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{
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PS_HINT_TYPE_1 = 1,
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PS_HINT_TYPE_2 = 2
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} PS_Hint_Type;
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/* hint flags */
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#define PS_HINT_FLAG_GHOST 1U
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#define PS_HINT_FLAG_BOTTOM 2U
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/* hint descriptor */
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typedef struct PS_HintRec_
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{
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FT_Int pos;
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FT_Int len;
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FT_UInt flags;
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} PS_HintRec;
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#define ps_hint_is_active( x ) ( (x)->flags & PS_HINT_FLAG_ACTIVE )
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#define ps_hint_is_ghost( x ) ( (x)->flags & PS_HINT_FLAG_GHOST )
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#define ps_hint_is_bottom( x ) ( (x)->flags & PS_HINT_FLAG_BOTTOM )
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/* hints table descriptor */
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typedef struct PS_Hint_TableRec_
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{
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FT_UInt num_hints;
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FT_UInt max_hints;
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PS_Hint hints;
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} PS_Hint_TableRec, *PS_Hint_Table;
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/* hint and counter mask descriptor */
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typedef struct PS_MaskRec_
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{
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FT_UInt num_bits;
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FT_UInt max_bits;
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FT_Byte* bytes;
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FT_UInt end_point;
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} PS_MaskRec, *PS_Mask;
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/* masks and counters table descriptor */
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typedef struct PS_Mask_TableRec_
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{
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FT_UInt num_masks;
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FT_UInt max_masks;
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PS_Mask masks;
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} PS_Mask_TableRec, *PS_Mask_Table;
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/* dimension-specific hints descriptor */
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typedef struct PS_DimensionRec_
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{
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PS_Hint_TableRec hints;
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PS_Mask_TableRec masks;
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PS_Mask_TableRec counters;
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} PS_DimensionRec, *PS_Dimension;
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/* glyph hints descriptor */
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/* dimension 0 => X coordinates + vertical hints/stems */
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/* dimension 1 => Y coordinates + horizontal hints/stems */
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typedef struct PS_HintsRec_
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{
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FT_Memory memory;
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FT_Error error;
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FT_UInt32 magic;
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PS_Hint_Type hint_type;
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PS_DimensionRec dimension[2];
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} PS_HintsRec, *PS_Hints;
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/* */
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/* initialize hints recorder */
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FT_LOCAL( void )
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ps_hints_init( PS_Hints hints,
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FT_Memory memory );
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/* finalize hints recorder */
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FT_LOCAL( void )
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ps_hints_done( PS_Hints hints );
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/* initialize Type1 hints recorder interface */
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FT_LOCAL( void )
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t1_hints_funcs_init( T1_Hints_FuncsRec* funcs );
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/* initialize Type2 hints recorder interface */
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FT_LOCAL( void )
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t2_hints_funcs_init( T2_Hints_FuncsRec* funcs );
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#ifdef DEBUG_HINTER
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extern PS_Hints ps_debug_hints;
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extern int ps_debug_no_horz_hints;
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extern int ps_debug_no_vert_hints;
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#endif
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/* */
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FT_END_HEADER
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#endif /* PSHREC_H_ */
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/* END */
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