Renders a gradient onto a GC.
<p>
This is a GC helper.
</p>
@param gc the GC to render the gradient onto
@param device the device the GC belongs to
@param x the top-left x coordinate of the region to be filled
@param y the top-left y coordinate of the region to be filled
@param width the width of the region to be filled
@param height the height of the region to be filled
@param vertical if true sweeps from top to bottom, else
sweeps from left to right
@param fromRGB the color to start with
@param toRGB the color to end with
@param redBits the number of significant red bits, 0 for palette modes
@param greenBits the number of significant green bits, 0 for palette modes
@param blueBits the number of significant blue bits, 0 for palette modes
Renders a gradient onto a GC. <p> This is a GC helper. </p>
@param gc the GC to render the gradient onto @param device the device the GC belongs to @param x the top-left x coordinate of the region to be filled @param y the top-left y coordinate of the region to be filled @param width the width of the region to be filled @param height the height of the region to be filled @param vertical if true sweeps from top to bottom, else sweeps from left to right @param fromRGB the color to start with @param toRGB the color to end with @param redBits the number of significant red bits, 0 for palette modes @param greenBits the number of significant green bits, 0 for palette modes @param blueBits the number of significant blue bits, 0 for palette modes