lib/tadump.c

   1 /* tadump.c */
   2
   3 /*
   4  * Copyright (C) 2014-2015 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                   "\n");
  69     width = 33;
  70   }
  71
  72   if (font->dehint)
  73   {
  74     if (format)
  75       DUMPVAL("dehint",
  76               font->dehint);
  77     goto Exit;
  78   }
  79
  80   DUMPVAL("adjust-subglyphs",
  81           font->adjust_subglyphs);
  82   DUMPSTR("default-script",
  83           script_names[font->default_script]);
  84   DUMPVAL("dw-cleartype-strong-stem-width",
  85           font->dw_cleartype_strong_stem_width);
  86   DUMPSTR("fallback-script",
  87           script_names[ta_style_classes[font->fallback_style]->script]);
  88   DUMPVAL("fallback-stem-width",
  89           font->fallback_stem_width);
  90   DUMPVAL("gdi-cleartype-strong-stem-width",
  91           font->gdi_cleartype_strong_stem_width);
  92   DUMPVAL("gray-strong-stem-width",
  93           font->gray_strong_stem_width);
  94   DUMPVAL("hinting-limit",
  95           font->hinting_limit);
  96   DUMPVAL("hinting-range-max",
  97           font->hinting_range_max);
  98   DUMPVAL("hinting-range-min",
  99           font->hinting_range_min);
 100   DUMPVAL("hint-composites",
 101           font->hint_composites);
 102   DUMPVAL("ignore-restrictions",
 103           font->ignore_restrictions);
 104   DUMPVAL("increase-x-height",
 105           font->increase_x_height);
 106   DUMPVAL("symbol",
 107           font->symbol);
 108   DUMPVAL("TTFA-info",
 109           font->TTFA_info);
 110   DUMPVAL("windows-compatibility",
 111           font->windows_compatibility);
 112
 113   ns = number_set_show(font->x_height_snapping_exceptions,
 114                        TA_PROP_INCREASE_X_HEIGHT_MIN, 0x7FFF);
 115   if (!ns)
 116   {
 117     sdsfree(s);
 118     s = NULL;
 119     goto Exit;
 120   }
 121
 122   DUMPSTR("x-height-snapping-exceptions", ns);
 123
 124   ds = TA_control_show(font);
 125   if (!ds)
 126   {
 127     sdsfree(s);
 128     s = NULL;
 129     goto Exit;
 130   }
 131
 132   /* show control instructions line by line */
 133   if (!format)
 134   {
 135     eol = "";
 136     prev_eol = "; \\\n";
 137   }
 138
 139   if (*ds)
 140   {
 141     char* token;
 142     char* saveptr;
 143
 144
 145     token = strtok_r(ds, "\n", &saveptr);
 146     DUMPSTR("control-instructions", token);
 147
 148     for (;;)
 149     {
 150       token = strtok_r(NULL, "\n", &saveptr);
 151       if (!token)
 152         break;
 153
 154       DUMPSTRX(token);
 155     }
 156   }
 157   else
 158     DUMPSTR("control-instructions", "");
 159
 160   if (!format)
 161     s = sdscat(s, "\n");
 162   s = sdscat(s, "\n");
 163
 164 Exit:
 165   free(ns);
 166   free(ds);
 167
 168   if (!s)
 169     return NULL;
 170
 171   len = sdslen(s) + 1;
 172   res = (char*)malloc(len);
 173   if (res)
 174     memcpy(res, s, len);
 175
 176   sdsfree(s);
 177
 178   return res;
 179 }
 180
 181 /* end of tadump.c */