void setColorsUsingBlend()
{
int size = blend.Positions.Length;
if (size == 1)
{
shadingColors = new float[2][];
factors = new float[2];
positions = new float[2];
// check for default Blend to setup the shading colors
// appropriately.
if (blend.Factors[0] == 1 && blend.Positions[0] == 1)
{
factors[0] = 0f;
positions[0] = 0;
}
else
{
// This is a special case where a blend was set
// with a factor. It still does not give exact
// results with windows. Need to look at this as
// still not sure what it should do.
// Example:
// float[] myFactors = { 0.2f };
// float[] myPositions = { 0.0f };
// Blend myBlend = new Blend();
// myBlend.Factors = myFactors;
// myBlend.Positions = myPositions;
// lgBrush2.Blend = myBlend;
factors[0] = blend.Factors[0];
positions[0] = 1.0f;
}
// Close off the color shadings
factors[1] = 1.0f;
positions[1] = 1.0f;
}
else
{
shadingColors = new float[size][];
factors = blend.Factors;
positions = blend.Positions;
}
float[] sc = colors[0].ElementsCGRGBA();
float[] ec = colors[1].ElementsCGRGBA();
float factor = 0;
for (int s = 0; s < positions.Length; s++)
{
shadingColors[s] = new float[4];
factor = factors[s];
//Console.WriteLine("shadingIndex {0} position {1} factor {2}",s, positions[s], factor);
for (int c = 0; c < 4; c++)
{
shadingColors[s][c] = GeomUtilities.Lerp (sc[c], ec[c], factor);
}
}
}
