1  /****************************************************************************
       2   *
       3   * afdummy.c
       4   *
       5   *   Auto-fitter dummy routines to be used if no hinting should be
       6   *   performed (body).
       7   *
       8   * Copyright (C) 2003-2023 by
       9   * David Turner, Robert Wilhelm, and Werner Lemberg.
      10   *
      11   * This file is part of the FreeType project, and may only be used,
      12   * modified, and distributed under the terms of the FreeType project
      13   * license, LICENSE.TXT.  By continuing to use, modify, or distribute
      14   * this file you indicate that you have read the license and
      15   * understand and accept it fully.
      16   *
      17   */
      18  
      19  
      20  #include "afdummy.h"
      21  #include "afhints.h"
      22  #include "aferrors.h"
      23  
      24  
      25    static FT_Error
      26    af_dummy_hints_init( AF_GlyphHints    hints,
      27                         AF_StyleMetrics  metrics )
      28    {
      29      af_glyph_hints_rescale( hints, metrics );
      30  
      31      hints->x_scale = metrics->scaler.x_scale;
      32      hints->y_scale = metrics->scaler.y_scale;
      33      hints->x_delta = metrics->scaler.x_delta;
      34      hints->y_delta = metrics->scaler.y_delta;
      35  
      36      return FT_Err_Ok;
      37    }
      38  
      39  
      40    static FT_Error
      41    af_dummy_hints_apply( FT_UInt          glyph_index,
      42                          AF_GlyphHints    hints,
      43                          FT_Outline*      outline,
      44                          AF_StyleMetrics  metrics )
      45    {
      46      FT_Error  error;
      47  
      48      FT_UNUSED( glyph_index );
      49      FT_UNUSED( metrics );
      50  
      51  
      52      error = af_glyph_hints_reload( hints, outline );
      53      if ( !error )
      54        af_glyph_hints_save( hints, outline );
      55  
      56      return error;
      57    }
      58  
      59  
      60    AF_DEFINE_WRITING_SYSTEM_CLASS(
      61      af_dummy_writing_system_class,
      62  
      63      AF_WRITING_SYSTEM_DUMMY,
      64  
      65      sizeof ( AF_StyleMetricsRec ),
      66  
      67      (AF_WritingSystem_InitMetricsFunc) NULL,                /* style_metrics_init    */
      68      (AF_WritingSystem_ScaleMetricsFunc)NULL,                /* style_metrics_scale   */
      69      (AF_WritingSystem_DoneMetricsFunc) NULL,                /* style_metrics_done    */
      70      (AF_WritingSystem_GetStdWidthsFunc)NULL,                /* style_metrics_getstdw */
      71  
      72      (AF_WritingSystem_InitHintsFunc)   af_dummy_hints_init, /* style_hints_init      */
      73      (AF_WritingSystem_ApplyHintsFunc)  af_dummy_hints_apply /* style_hints_apply     */
      74    )
      75  
      76  
      77  /* END */