I'm using FT_Outline_Embolden to create a feature like MS gdiplus's compound array.
But there is a part of FT_Outline_Embolden code that I don't know. (ftoutln.c) /* non-strict linequalities avoid divide-by-zero when q = l = 0 */ If (FT_MulFix( xstrength, q ) > = FT_MulFix( l, d ) ) shift.x = FT_MulDiv( shift.x, xstrength, d ); Ese shift.x = FT_MulDiv( shift.x, l, q ); FT_MulDiv (shift.x, xstrength, d ) is understandable. I don't know what FT_MulDiv (shift.x, l, q ) means. Can you explain it to me?
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