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- Fixed a bug when using Color.FromNonPremultiplied:

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Replaced the weird buggy construct of code in Color.FromNonPremultiplied with a working (non complicated) version. Code readability ftw!
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SND\eagleeyestudios_cp 2012-10-09 18:24:32 +00:00 committed by Konstantin Koch
parent 61f12a03fa
commit dffb3bc29c
1 changed files with 14 additions and 4 deletions
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18
ANX.Framework/Color.cs
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@ -811,23 +811,33 @@ namespace ANX.Framework
{ {
Color color; Color color;
r = r * a; r = ClampValue((long)r * a / 255L);
g = g * a; g = ClampValue((long)g * a / 255L);
b = b * a; b = ClampValue((long)b * a / 255L);
/* //What the heck is this? Anyway it does not work!
if (((((r | g) | b) | a) & -256) != 0) if (((((r | g) | b) | a) & -256) != 0)
{ {
r = r < 0 ? 0 : (r > 255 ? 255 : r); r = r < 0 ? 0 : (r > 255 ? 255 : r);
g = g < 0 ? 0 : (g > 255 ? 255 : g); g = g < 0 ? 0 : (g > 255 ? 255 : g);
b = b < 0 ? 0 : (b > 255 ? 255 : b); b = b < 0 ? 0 : (b > 255 ? 255 : b);
a = a < 0 ? 0 : (a > 255 ? 255 : a); a = a < 0 ? 0 : (a > 255 ? 255 : a);
} }*/
color.packedValue = (uint)(((r | g << 8) | b << 16) | a << 24); color.packedValue = (uint)(((r | g << 8) | b << 16) | a << 24);
return color; return color;
} }
private static int ClampValue(long value)
{
if (value < 0L)
return 0;
if (value > 255L)
return 255;
return (int) value;
}
public static Color FromNonPremultiplied(Vector4 vector) public static Color FromNonPremultiplied(Vector4 vector)
{ {
Color color; Color color;