components/library/fontconfig/patches/04.bitmap-hacks.patch

   1 --- fontconfig-2.13.0/src/fcmatch.c.orig        2018-03-08 16:45:52.377939235 +0000
   2 +++ fontconfig-2.13.0/src/fcmatch.c     2018-03-08 16:47:13.473464653 +0000
   3 @@ -50,6 +50,15 @@
   4         return -1.0;
   5      }
   6      v = v2 - v1;
   7 +
   8 +    /*
   9 +     * Hack to allow bitmap fonts to equal requested font if it is close
  10 +     */
  11 +    if ( v > -.5 && v <= .5 )
  12 +    {
  13 +        v = 0;
  14 +    }
  15 +
  16      if (v < 0)
  17         v = -v;
  18      *bestValue = FcValueCanonicalize (value2);
  19 @@ -754,6 +763,46 @@
  20      return new;
  21  }
  22
  23 +static void
  24 +FcChangeFormat ( FcPattern *p )
  25 +{
  26 +    int i;
  27 +    FcPatternElt    *pe = FcPatternElts(p);
  28 +
  29 +    /*
  30 +     * Hack. If user want monochrome mode, then try to pick bitmaps over
  31 +     * outlines.
  32 +     */
  33 +    for ( i = 0; i < p->num; i++ )
  34 +    {
  35 +        if ( !strcmp(&pe[i].object, "antialias" ))
  36 +        {
  37 +            int aa = (int) &pe[i].values->value.u.b;
  38 +            int j;
  39 +            int done = 0;
  40 +            FcValue v;
  41 +
  42 +            v.type = FcTypeBool;
  43 +            v.u.b  = aa;
  44 +
  45 +            for ( j = 0; j < p->num; j++ )
  46 +            {
  47 +                if ( !strcmp(&pe[j].object, "outline" ))
  48 +                {
  49 +                    done = 1;
  50 +                    break;
  51 +                }
  52 +            }
  53 +            if ( !done )
  54 +            {
  55 +                FcPatternObjectAddWithBinding (p, "outline", v,
  56 +                        FcValueBindingStrong, 1);
  57 +            }
  58 +            break;
  59 +        }
  60 +    }
  61 +}
  62 +
  63  static FcPattern *
  64  FcFontSetMatchInternal (FcFontSet   **sets,
  65                         int         nsets,
  66 @@ -767,6 +816,8 @@
  67      int                    i;
  68      int                    set;
  69
  70 +    FcChangeFormat ( p );
  71 +
  72      for (i = 0; i < PRI_END; i++)
  73         bestscore[i] = 0;
  74      best = 0;
  75 @@ -1048,6 +1099,8 @@
  76      FcBool         *patternLangSat;
  77      FcValue        patternLang;
  78
  79 +    FcChangeFormat ( p );
  80 +
  81      assert (sets != NULL);
  82      assert (p != NULL);
  83      assert (result != NULL);