static Cairo.Color GetDrawingColorForIter (TextView view, TextIter iter)
{
TextIter start, end;
Gdk.Color color;
Gdk.Color bgColor;
if (iter.Buffer.GetSelectionBounds (out start, out end) && iter.InRange (start, end)) {
bgColor = view.Style.Base (StateType.Selected);
color = view.Style.Text (StateType.Selected);
} else {
bgColor = view.Style.Base (StateType.Normal);
color = view.Style.Text (StateType.Normal);
}
//simple interpolation 1/4 of way between BG colour and text colour
int red = (bgColor.Red * 3 + color.Red ) / 4;
int green = (bgColor.Green * 3 + color.Green) / 4;
int blue = (bgColor.Blue * 3 + color.Blue ) / 4;
return new Cairo.Color ((double)(red) / UInt16.MaxValue,
(double)(green) / UInt16.MaxValue,
(double)(blue) / UInt16.MaxValue);
}
