/**
* Set the image that this panel should show.
*
* @param image The image to be displayed.
*/
public void setImage(OFImage image) {
if (image != null) {
width = image.getWidth();
height = image.getHeight();
panelImage = image;
repaint();
}
}
/**
* Apply this filter to an image.
*
* @param image The image to be changed by this filter.
*/
public void apply(OFImage image) {
int height = image.getHeight();
int width = image.getWidth();
for (int y = 0; y < height; y++) {
for (int x = 0; x < width / 2; x++) {
Color left = image.getPixel(x, y);
image.setPixel(x, y, image.getPixel(width - 1 - x, y));
image.setPixel(width - 1 - x, y, left);
}
}
}
/** Clear the image on this panel. */
public void clearImage() {
Graphics imageGraphics = panelImage.getGraphics();
imageGraphics.setColor(Color.LIGHT_GRAY);
imageGraphics.fillRect(0, 0, width, height);
repaint();
}