lib/tadump.c

   1 /* tadump.c */
   2
   3 /*
   4  * Copyright (C) 2014-2016 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 #include "ta.h"
  16
  17 #include <stdarg.h>
  18
  19
  20 #define DUMPVAL(str, arg) \
  21           do \
  22           { \
  23             s = sdscatprintf(s, \
  24                              "%*s = %ld\n", \
  25                              width, (str), (FT_Long)(arg)); \
  26           } while (0)
  27 #define DUMPSTR(str, arg) \
  28           do \
  29           { \
  30             s = sdscatprintf(s, \
  31                              "%*s = %s%s", \
  32                              width, (str), (arg), eol); \
  33           } while (0)
  34 #define DUMPSTRX(arg) \
  35           do \
  36           { \
  37             s = sdscatprintf(s, \
  38                              "%s%*s   %s%s", \
  39                              prev_eol, width, "", (arg), eol); \
  40           } while (0)
  41
  42
  43
  44 /* if `format' is set, we present the data in a more friendly format */
  45
  46 char*
  47 TA_font_dump_parameters(FONT* font,
  48                         FT_Bool format)
  49 {
  50   sds s;
  51   size_t len;
  52   char* res;
  53
  54   char* ns = NULL;
  55   char* ds = NULL;
  56
  57   int width = 0;
  58   const char* eol = "\n";
  59   const char* prev_eol = "";
  60
  61
  62   s = sdsempty();
  63
  64   if (format)
  65   {
  66     s = sdscat(s, "TTF_autohint parameters\n"
  67                   "=======================\n");
  68     width = 33;
  69   }
  70
  71   s = sdscat(s, "\n");
  72
  73   if (font->dehint)
  74   {
  75     if (format)
  76       DUMPVAL("dehint",
  77               font->dehint);
  78     goto Exit;
  79   }
  80
  81   DUMPVAL("adjust-subglyphs",
  82           font->adjust_subglyphs);
  83   DUMPSTR("default-script",
  84           script_names[font->default_script]);
  85   DUMPVAL("dw-cleartype-strong-stem-width",
  86           font->dw_cleartype_strong_stem_width);
  87   DUMPVAL("fallback-scaling",
  88           font->fallback_scaling);
  89   DUMPSTR("fallback-script",
  90           script_names[ta_style_classes[font->fallback_style]->script]);
  91   DUMPVAL("fallback-stem-width",
  92           font->fallback_stem_width);
  93   DUMPVAL("gdi-cleartype-strong-stem-width",
  94           font->gdi_cleartype_strong_stem_width);
  95   DUMPVAL("gray-strong-stem-width",
  96           font->gray_strong_stem_width);
  97   DUMPVAL("hinting-limit",
  98           font->hinting_limit);
  99   DUMPVAL("hinting-range-max",
 100           font->hinting_range_max);
 101   DUMPVAL("hinting-range-min",
 102           font->hinting_range_min);
 103   DUMPVAL("hint-composites",
 104           font->hint_composites);
 105   DUMPVAL("ignore-restrictions",
 106           font->ignore_restrictions);
 107   DUMPVAL("increase-x-height",
 108           font->increase_x_height);
 109   DUMPVAL("symbol",
 110           font->symbol);
 111   DUMPVAL("TTFA-info",
 112           font->TTFA_info);
 113   DUMPVAL("windows-compatibility",
 114           font->windows_compatibility);
 115
 116   ns = number_set_show(font->x_height_snapping_exceptions,
 117                        TA_PROP_INCREASE_X_HEIGHT_MIN, 0x7FFF);
 118   if (!ns)
 119   {
 120     sdsfree(s);
 121     s = NULL;
 122     goto Exit;
 123   }
 124
 125   DUMPSTR("x-height-snapping-exceptions", ns);
 126
 127   ds = TA_control_show(font);
 128   if (!ds)
 129   {
 130     sdsfree(s);
 131     s = NULL;
 132     goto Exit;
 133   }
 134
 135   if (*ds)
 136   {
 137     char* token;
 138     char* saveptr;
 139
 140
 141     token = strtok_r(ds, "\n", &saveptr);
 142     if (format)
 143       DUMPSTR("control-instructions", token);
 144     else
 145     {
 146       DUMPSTR("control-instructions", "\\");
 147       eol = "";
 148       /* show control instructions line by line */
 149       DUMPSTRX(token);
 150       prev_eol = "; \\\n";
 151     }
 152
 153     for (;;)
 154     {
 155       token = strtok_r(NULL, "\n", &saveptr);
 156       if (!token)
 157         break;
 158
 159       DUMPSTRX(token);
 160     }
 161   }
 162   else
 163     DUMPSTR("control-instructions", "");
 164
 165   if (!format)
 166     s = sdscat(s, "\n");
 167   s = sdscat(s, "\n");
 168
 169 Exit:
 170   free(ns);
 171   free(ds);
 172
 173   if (!s)
 174     return NULL;
 175
 176   len = sdslen(s) + 1;
 177   res = (char*)malloc(len);
 178   if (res)
 179     memcpy(res, s, len);
 180
 181   sdsfree(s);
 182
 183   return res;
 184 }
 185
 186 /* end of tadump.c */