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(DWQ): tweaked mask reading.

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This commit is contained in:
morkt 2017-01-17 07:02:13 +04:00
parent e3dc84b2d8
commit 57497295cd
1 changed files with 8 additions and 4 deletions
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8
ArcFormats/BlackCyc/ImageDWQ.cs
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@ -2,7 +2,7 @@
//! \date Sat Aug 01 13:18:46 2015
//! \brief Black Cyc image format.
//
// Copyright (C) 2015-2016 by morkt
// Copyright (C) 2015-2017 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@ -202,10 +202,14 @@ namespace GameRes.Formats.BlackCyc
var palette = reader.Palette.Colors;
for (int i = 0; i < alpha.Length; ++i)
{
var color = palette[alpha[i]];
int color_idx = alpha[i];
if (color_idx < palette.Count)
{
var color = palette[color_idx];
int A = (color.R + color.G + color.B) / 3;
alpha[i] = (byte)A;
}
}
bitmap = ApplyAlphaChannel (bitmap, alpha);
}
}