private static int ShrinkSizeForRenderingMethod(int size, RenderingMethod method, int vectorElements, out bool isDivisible)
{
int divisor = 1;
// ReSharper disable once ConvertIfStatementToSwitchStatement
if (method == RenderingMethod.RGB)
{
divisor = 3;
}
else if (method == RenderingMethod.Vector)
{
if (vectorElements < 1)
throw new ArgumentException("Vector element count must be greater then zero.", "vectorElements");
divisor = vectorElements;
}
int result = size / divisor;
isDivisible = (result * divisor == size);
return result;
}
}