lib/tadummy.c

   1 /* tadummy.c */
   2
   3 /*
   4  * Copyright (C) 2011-2022 by Werner Lemberg.
   5  *
   6  * This file is part of the ttfautohint library, and may only be used,
   7  * modified, and distributed under the terms given in `COPYING'.  By
   8  * continuing to use, modify, or distribute this file you indicate that you
   9  * have read `COPYING' and understand and accept it fully.
  10  *
  11  * The file `COPYING' mentioned in the previous paragraph is distributed
  12  * with the ttfautohint library.
  13  */
  14
  15
  16 /* originally file `afdummy.c' (2011-Mar-28) from FreeType */
  17
  18 /* heavily modified 2011 by Werner Lemberg <wl@gnu.org> */
  19
  20 #include "tadummy.h"
  21 #include "tahints.h"
  22
  23
  24 static FT_Error
  25 ta_dummy_hints_init(TA_GlyphHints hints,
  26                     TA_StyleMetrics metrics)
  27 {
  28   ta_glyph_hints_rescale(hints, metrics);
  29
  30   hints->x_scale = metrics->scaler.x_scale;
  31   hints->y_scale = metrics->scaler.y_scale;
  32   hints->x_delta = metrics->scaler.x_delta;
  33   hints->y_delta = metrics->scaler.y_delta;
  34
  35   return FT_Err_Ok;
  36 }
  37
  38
  39 static FT_Error
  40 ta_dummy_hints_apply(FT_UInt glyph_index,
  41                      TA_GlyphHints hints,
  42                      FT_Outline* outline)
  43 {
  44   FT_Error error;
  45
  46   FT_UNUSED(glyph_index);
  47
  48
  49   error = ta_glyph_hints_reload(hints, outline);
  50   if (!error)
  51     ta_glyph_hints_save(hints, outline);
  52
  53   return error;
  54 }
  55
  56
  57 const TA_WritingSystemClassRec ta_dummy_writing_system_class =
  58 {
  59   TA_WRITING_SYSTEM_DUMMY,
  60
  61   sizeof (TA_StyleMetricsRec),
  62
  63   (TA_WritingSystem_InitMetricsFunc)NULL, /* style_metrics_init */
  64   (TA_WritingSystem_ScaleMetricsFunc)NULL, /* style_metrics_scale */
  65   (TA_WritingSystem_DoneMetricsFunc)NULL, /* style_metrics_done */
  66
  67   (TA_WritingSystem_InitHintsFunc)ta_dummy_hints_init, /* style_hints_init */
  68   (TA_WritingSystem_ApplyHintsFunc)ta_dummy_hints_apply /* style_hints_apply */
  69 };
  70
  71 /* end of tadummy.c */