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Accept NULL in for spacing in FcFreeTypeCharSetAndSpacing()

This commit is contained in:
Behdad Esfahbod 2017-09-12 18:00:43 -04:00
parent 0757556ddf
commit 6eb7e5ae81
1 changed files with 16 additions and 13 deletions
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29
src/fcfreetype.c
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@ -2140,8 +2140,8 @@ FcFreeTypeCharSetAndSpacing (FT_Face face, FcBlanks *blanks FC_UNUSED, int *spac
FcCharSet *fcs;
int o;
FT_Int load_flags = FT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH | FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
FT_Pos advances[3];
unsigned int num_advances = 0;
FT_Pos advances[3] = {};
unsigned int num_advances = spacing ? 0 : 3;
fcs = FcCharSetCreate ();
if (!fcs)
@ -2265,14 +2265,19 @@ FcFreeTypeCharSetAndSpacing (FT_Face face, FcBlanks *blanks FC_UNUSED, int *spac
#endif
break;
}
if (num_advances <= 1)
*spacing = FC_MONO;
else if (num_advances == 2 &&
fc_approximately_equal (fc_min (advances[0], advances[1]) * 2,
fc_max (advances[0], advances[1])))
*spacing = FC_DUAL;
else
*spacing = FC_PROPORTIONAL;
if (spacing)
{
if (num_advances <= 1)
*spacing = FC_MONO;
else if (num_advances == 2 &&
fc_approximately_equal (fc_min (advances[0], advances[1]) * 2,
fc_max (advances[0], advances[1])))
*spacing = FC_DUAL;
else
*spacing = FC_PROPORTIONAL;
}
return fcs;
bail1:
FcCharSetDestroy (fcs);
@ -2283,9 +2288,7 @@ bail0:
FcCharSet *
FcFreeTypeCharSet (FT_Face face, FcBlanks *blanks FC_UNUSED)
{
int spacing;
return FcFreeTypeCharSetAndSpacing (face, blanks, &spacing);
return FcFreeTypeCharSetAndSpacing (face, blanks, NULL);
}