javafx.scene.layout.BackgroundPosition Java Examples

/** Update color bar in UI from current 'map' */
private void updateColorBar()
{
    // On Mac OS X it was OK to create an image sized 256 x 1:
    // 256 wide to easily set the 256 colors,
    // 1 pixel height which is then stretched via the BackgroundSize().
    // On Linux, the result was garbled unless the image height matched the
    // actual height, so it's now fixed to COLOR_BAR_HEIGHT
    final WritableImage colors = new WritableImage(256, COLOR_BAR_HEIGHT);
    final PixelWriter writer = colors.getPixelWriter();
    for (int x=0; x<256; ++x)
    {
        final int arfb = ColorMappingFunction.getRGB(map.getColor(x));
        for (int y=0; y<COLOR_BAR_HEIGHT; ++y)
            writer.setArgb(x, y, arfb);
    }
    // Stretch image to fill color_bar
    color_bar.setBackground(new Background(
            new BackgroundImage(colors, BackgroundRepeat.NO_REPEAT, BackgroundRepeat.NO_REPEAT,
                                BackgroundPosition.DEFAULT,
                                new BackgroundSize(BackgroundSize.AUTO, BackgroundSize.AUTO, true, true, true, true))));
}
 

/**
 * Repaints the tile image that depends on the grid cell size only. The tile
 * image is repeated when repainting the grid.
 */
protected void repaintGrid() {
	Image tile = createGridTile();
	// create a background fill for this node from the tile image
	BackgroundPosition backgroundPosition = new BackgroundPosition(
			Side.LEFT, 0, false, Side.TOP, 0, false);
	BackgroundImage backgroundImage = new BackgroundImage(tile,
			BackgroundRepeat.REPEAT, BackgroundRepeat.REPEAT,
			backgroundPosition, BackgroundSize.DEFAULT);
	Background background = new Background(backgroundImage);
	// apply that background fill
	grid.setBackground(background);
}
 

private void hideCard(boolean hide) {
	topPane.setVisible(!hide);
	centerPane.setVisible(!hide);
	bottomPane.setVisible(!hide);
	if (hide) {
		BackgroundSize size = new BackgroundSize(getWidth(), getHeight(), false, false, true, false);
		BackgroundImage image = new BackgroundImage(IconFactory.getDefaultCardBack(), BackgroundRepeat.NO_REPEAT,
				BackgroundRepeat.NO_REPEAT, BackgroundPosition.CENTER, size);
		Background background = new Background(image);
		setBackground(background);
	}
}
 

private static String backgroundPositionToString(BackgroundPosition position) {
    String horizPos = position.getHorizontalPosition() + (position.isHorizontalAsPercentage() ? "%" : "");
    String vertPos = position.getVerticalPosition() + (position.isVerticalAsPercentage() ? "%" : "");
    return position.getHorizontalSide() + " " + horizPos
            + " " + position.getVerticalSide() + " " + vertPos;
}