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add comments about what not to do in DisplayManager

This commit is contained in:
zeromus 2016-02-03 11:22:13 -06:00
parent da421483f6
commit 07e93e6b4f
1 changed files with 12 additions and 0 deletions
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12
BizHawk.Client.EmuHawk/DisplayManager/FilterManager.cs
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@ -91,6 +91,10 @@ namespace BizHawk.Client.EmuHawk.FilterManager
var filter = Filters[i];
point = filter.UntransformPoint(channel, point);
}
//we COULD handle the case where the output size is 0,0, but it's not mathematically sensible
//it should be considered a bug to call this under those conditions
return point;
}
@ -104,6 +108,14 @@ namespace BizHawk.Client.EmuHawk.FilterManager
var filter = Filters[i];
point = filter.TransformPoint(channel, point);
}
//we COULD handle the case where the output size is 0,0, but it's not mathematically sensible
//it should be considered a bug to call this under those conditions
////in case the output size is zero, transform all points to zero, since the above maths may have malfunctioned
//var size = Filters[Filters.Count - 1].FindOutput().SurfaceFormat.Size;
//if (size.Width == 0) point.X = 0;
//if (size.Height == 0) point.Y = 0;
return point;
}