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omg divide by 0

This commit is contained in:
Adam D. Ruppe 2023-09-26 11:40:40 -04:00
parent dc50e93a01
commit 0fd808ed32
1 changed files with 2 additions and 0 deletions
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color.d
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@ -720,6 +720,8 @@ void premultiplyBgra(ubyte[] bgra) pure @nogc @safe nothrow in { assert(bgra.len
void unPremultiplyRgba(ubyte[] rgba) pure @nogc @safe nothrow in { assert(rgba.length == 4); } do {
auto a = rgba[3];
if(a == 0)
return;
rgba[0] = cast(ubyte)(rgba[0] * 255 / a);
rgba[1] = cast(ubyte)(rgba[1] * 255 / a);