// Get the background information for use in graphics object clears.
internal void GetBackgroundInfo(out Color bg, out Pixmap pixmap,
out int tx, out int ty)
{
if (background.Index == StandardColor.Inherit)
{
InputOutputWidget parent =
(Parent as InputOutputWidget);
if (parent != null)
{
parent.GetBackgroundInfo
(out bg, out pixmap, out tx, out ty);
tx -= x;
ty -= y;
}
else
{
bg = new Color(StandardColor.Background);
pixmap = null;
tx = 0;
ty = 0;
}
}
else if (background.Index == StandardColor.Pixmap)
{
bg = background;
pixmap = backgroundPixmap;
tx = 0;
ty = 0;
}
else
{
bg = background;
pixmap = null;
tx = 0;
ty = 0;
}
}
