godot/thirdparty/freetype/src/autofit/afindic.c

/****************************************************************************
 *
 * afindic.c
 *
 *   Auto-fitter hinting routines for Indic writing system (body).
 *
 * Copyright (C) 2007-2023 by
 * Rahul Bhalerao <[email protected]>, <[email protected]>.
 *
 * 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.
 *
 */


#include "aftypes.h"
#include "aflatin.h"
#include "afcjk.h"


#ifdef AF_CONFIG_OPTION_INDIC

#include "afindic.h"
#include "aferrors.h"


  static FT_Error
  af_indic_metrics_init( AF_StyleMetrics  metrics_, /* AF_CJKMetrics */
                         FT_Face          face )
  { … }


  static void
  af_indic_metrics_scale( AF_StyleMetrics  metrics,
                          AF_Scaler        scaler )
  { … }


  static FT_Error
  af_indic_hints_init( AF_GlyphHints    hints,
                       AF_StyleMetrics  metrics )
  { … }


  static FT_Error
  af_indic_hints_apply( FT_UInt          glyph_index,
                        AF_GlyphHints    hints,
                        FT_Outline*      outline,
                        AF_StyleMetrics  metrics )
  { … }


  /* Extract standard_width from writing system/script specific */
  /* metrics class.                                             */

  static void
  af_indic_get_standard_widths( AF_StyleMetrics  metrics_, /* AF_CJKMetrics */
                                FT_Pos*          stdHW,
                                FT_Pos*          stdVW )
  { … }


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                I N D I C   S C R I P T   C L A S S            *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/


  AF_DEFINE_WRITING_SYSTEM_CLASS(
    af_indic_writing_system_class,

    AF_WRITING_SYSTEM_INDIC,

    sizeof ( AF_CJKMetricsRec ),

    (AF_WritingSystem_InitMetricsFunc) af_indic_metrics_init,        /* style_metrics_init    */
    (AF_WritingSystem_ScaleMetricsFunc)af_indic_metrics_scale,       /* style_metrics_scale   */
    (AF_WritingSystem_DoneMetricsFunc) NULL,                         /* style_metrics_done    */
    (AF_WritingSystem_GetStdWidthsFunc)af_indic_get_standard_widths, /* style_metrics_getstdw */

    (AF_WritingSystem_InitHintsFunc)   af_indic_hints_init,          /* style_hints_init      */
    (AF_WritingSystem_ApplyHintsFunc)  af_indic_hints_apply          /* style_hints_apply     */
  )


#else /* !AF_CONFIG_OPTION_INDIC */


  AF_DEFINE_WRITING_SYSTEM_CLASS(
    af_indic_writing_system_class,

    AF_WRITING_SYSTEM_INDIC,

    sizeof ( AF_CJKMetricsRec ),

    (AF_WritingSystem_InitMetricsFunc) NULL, /* style_metrics_init    */
    (AF_WritingSystem_ScaleMetricsFunc)NULL, /* style_metrics_scale   */
    (AF_WritingSystem_DoneMetricsFunc) NULL, /* style_metrics_done    */
    (AF_WritingSystem_GetStdWidthsFunc)NULL, /* style_metrics_getstdw */

    (AF_WritingSystem_InitHintsFunc)   NULL, /* style_hints_init      */
    (AF_WritingSystem_ApplyHintsFunc)  NULL  /* style_hints_apply     */
  )


#endif /* !AF_CONFIG_OPTION_INDIC */


/* END */