/**
* Construct a new CWindow given the background image and color. If the background image is null,
* the fill color will be used instead. In the case null image and negative color are specified
* the window is considered to be transparent.
*
* @param bgImage the background image to use for the window background
* @param bgColor the background fill color in 0xrrggbbaa format to use for the window background
* if the background image is null.
*/
public CWindow(Image bgImage, int bgColor, int width, int height) {
bounds = new int[4];
bounds[X] = 0;
bounds[Y] = 0;
bounds[W] = width;
bounds[H] = height;
layers = new CLayerList();
/* Add the most bottom background layer */
bgLayer = new BackgroundLayer(bgImage, bgColor);
bgLayer.setBounds(0, 0, width, height);
addLayer(bgLayer);
}
/**
* Establish a background. This method will evaluate the parameters and create a background which
* is appropriate. If the image is non-null, the image will be used to create the background. If
* the image is null, the values for the colors will be used and the background will be painted in
* fill color instead. If the image is null, and the background color is a negative value, this
* layer will become transparent and no background will be painted.
*
* @param bgImage the image to use for the background tile (or null)
* @param bgColor if the image is null, use this color as a background fill color
*/
synchronized void setBackground(Image bgImage, int bgColor) {
bgLayer.setBackground(bgImage, bgColor);
}
/** Resize window and its background according to updated skin values */
public void resize(int width, int height) {
bounds[W] = width;
bounds[H] = height;
bgLayer.setBounds(0, 0, width, height);
}