private static ColorBlend ToGDIClampColorBlend(this UGGradientStop[] ugStops)
{
var count = ugStops.Length;
bool addEnd = false;
if (ugStops[count - 1].Offset < 1F - EPSILON)
{
addEnd = true;
}
var outCount = count + 1;
if (addEnd)
{
++outCount;
}
var gdiStops = new ColorBlend(outCount);
var outIdx = 0;
ugStops[0].AddColorblend(ref gdiStops, ref outIdx, 0F);
ugStops.AddColorBlend(ref gdiStops, ref outIdx, .5F, .5F);
if (addEnd)
{
ugStops[count - 1].AddColorblend(ref gdiStops, ref outIdx, 1F);
}
return(gdiStops);
}
public static ColorBlend ToGDIColorBlend(this UGGradientStop[] ugStops)
{
var count = ugStops.Length;
bool addStart = false, addEnd = false;
if (ugStops[0].Offset > EPSILON)
{
addStart = true;
}
if (ugStops[count - 1].Offset < 1F - EPSILON)
{
addEnd = true;
}
var outCount = count;
if (addStart)
{
++outCount;
}
if (addEnd)
{
++outCount;
}
var gdiStops = new ColorBlend(outCount);
var outIdx = 0;
if (addStart)
{
ugStops[0].AddColorblend(ref gdiStops, ref outIdx, 0F);
}
ugStops.AddColorBlend(ref gdiStops, ref outIdx);
if (addEnd)
{
ugStops[count - 1].AddColorblend(ref gdiStops, ref outIdx, 1F);
}
return(gdiStops);
}
