lib/tadump.c

   1 /* tadump.c */
   2
   3 /*
   4  * Copyright (C) 2014-2017 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   DUMPSTR("ttfautohint version",
  74           VERSION);
  75
  76   s = sdscat(s, "\n");
  77
  78   if (font->dehint)
  79   {
  80     if (format)
  81       DUMPVAL("dehint",
  82               font->dehint);
  83     goto Exit;
  84   }
  85
  86   DUMPVAL("adjust-subglyphs",
  87           font->adjust_subglyphs);
  88   DUMPSTR("default-script",
  89           script_names[font->default_script]);
  90   DUMPVAL("dw-cleartype-strong-stem-width",
  91           font->dw_cleartype_strong_stem_width);
  92   DUMPVAL("fallback-scaling",
  93           font->fallback_scaling);
  94   DUMPSTR("fallback-script",
  95           script_names[ta_style_classes[font->fallback_style]->script]);
  96   DUMPVAL("fallback-stem-width",
  97           font->fallback_stem_width);
  98   DUMPVAL("gdi-cleartype-strong-stem-width",
  99           font->gdi_cleartype_strong_stem_width);
 100   DUMPVAL("gray-strong-stem-width",
 101           font->gray_strong_stem_width);
 102   DUMPVAL("hinting-limit",
 103           font->hinting_limit);
 104   DUMPVAL("hinting-range-max",
 105           font->hinting_range_max);
 106   DUMPVAL("hinting-range-min",
 107           font->hinting_range_min);
 108   DUMPVAL("hint-composites",
 109           font->hint_composites);
 110   DUMPVAL("ignore-restrictions",
 111           font->ignore_restrictions);
 112   DUMPVAL("increase-x-height",
 113           font->increase_x_height);
 114   if (font->reference_name)
 115     DUMPSTR("reference",
 116             font->reference_name);
 117   else if (font->reference_buf)
 118     DUMPSTR("reference",
 119             "<yes>");
 120   else
 121     DUMPSTR("reference",
 122             "");
 123   DUMPVAL("reference-index",
 124           font->reference_index);
 125   DUMPVAL("symbol",
 126           font->symbol);
 127   DUMPVAL("TTFA-info",
 128           font->TTFA_info);
 129   DUMPVAL("windows-compatibility",
 130           font->windows_compatibility);
 131
 132   ns = number_set_show(font->x_height_snapping_exceptions,
 133                        TA_PROP_INCREASE_X_HEIGHT_MIN, 0x7FFF);
 134   if (!ns)
 135   {
 136     sdsfree(s);
 137     s = NULL;
 138     goto Exit;
 139   }
 140
 141   DUMPSTR("x-height-snapping-exceptions", ns);
 142
 143   ds = TA_control_show(font);
 144   if (!ds)
 145   {
 146     sdsfree(s);
 147     s = NULL;
 148     goto Exit;
 149   }
 150
 151   if (*ds)
 152   {
 153     char* token;
 154     char* saveptr;
 155
 156
 157     token = strtok_r(ds, "\n", &saveptr);
 158     if (format)
 159       DUMPSTR("control-instructions", token);
 160     else
 161     {
 162       DUMPSTR("control-instructions", "\\");
 163       eol = "";
 164       /* show control instructions line by line */
 165       DUMPSTRX(token);
 166       prev_eol = "; \\\n";
 167     }
 168
 169     for (;;)
 170     {
 171       token = strtok_r(NULL, "\n", &saveptr);
 172       if (!token)
 173         break;
 174
 175       DUMPSTRX(token);
 176     }
 177   }
 178   else
 179     DUMPSTR("control-instructions", "");
 180
 181   if (!format)
 182     s = sdscat(s, "\n");
 183   s = sdscat(s, "\n");
 184
 185 Exit:
 186   free(ns);
 187   free(ds);
 188
 189   if (!s)
 190     return NULL;
 191
 192   len = sdslen(s) + 1;
 193   res = (char*)malloc(len);
 194   if (res)
 195     memcpy(res, s, len);
 196
 197   sdsfree(s);
 198
 199   return res;
 200 }
 201
 202 /* end of tadump.c */