Fills the interior of the specified rectangle with a gradient
sweeping from left to right or top to bottom progressing
from the receiver's foreground color to its background color.
@param x the x coordinate of the rectangle to be filled
@param y the y coordinate of the rectangle to be filled
@param width the width of the rectangle to be filled, may be negative
(inverts direction of gradient if horizontal)
@param height the height of the rectangle to be filled, may be negative
(inverts direction of gradient if vertical)
@param vertical if true sweeps from top to bottom, else
sweeps from left to right
@exception SWTException <ul>
<li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
</ul>
Fills the interior of the specified rectangle with a gradient sweeping from left to right or top to bottom progressing from the receiver's foreground color to its background color.
@param x the x coordinate of the rectangle to be filled @param y the y coordinate of the rectangle to be filled @param width the width of the rectangle to be filled, may be negative (inverts direction of gradient if horizontal) @param height the height of the rectangle to be filled, may be negative (inverts direction of gradient if vertical) @param vertical if true sweeps from top to bottom, else sweeps from left to right
@exception SWTException <ul> <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> </ul>
@see #drawRectangle(int, int, int, int)