package org.hudson.trayapp.gui.tray;
import java.awt.Graphics;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.HeadlessException;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.Transparency;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.PixelGrabber;
import javax.swing.ImageIcon;
public class Images {
public static final BufferedImage HUDSON;
public static final BufferedImage H0019;
public static final BufferedImage H2039;
public static final BufferedImage H4059;
public static final BufferedImage H6089;
public static final BufferedImage H80PL;
public static final BufferedImage BLUE;
public static final BufferedImage GREY;
public static final BufferedImage RED;
public static final BufferedImage YELLOW;
public static final BufferedImage COLOURRING;
static {
Toolkit kit = Toolkit.getDefaultToolkit();
HUDSON = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/hudson.png")));
H0019 = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/00-19.png")));
H2039 = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/20-39.png")));
H4059 = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/40-59.png")));
H6089 = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/60-79.png")));
H80PL = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/80+.png")));
BLUE = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/blue.png")));
GREY = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/grey.png")));
RED = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/red.png")));
YELLOW = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/yellow.png")));
COLOURRING = toBufferedImage(kit.getImage(Images.class.getResource("/org/hudson/trayapp/gui/icons/tray/colourring.png")));
}
public static BufferedImage toBufferedImage(Image image) {
if (image instanceof BufferedImage) {
return (BufferedImage)image;
}
// This code ensures that all the pixels in the image are loaded
image = new ImageIcon(image).getImage();
// Determine if the image has transparent pixels; for this method's
// implementation, see e661 Determining If an Image Has Transparent Pixels
boolean hasAlpha = hasAlpha(image);
// Create a buffered image with a format that's compatible with the screen
BufferedImage bimage = null;
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
try {
// Determine the type of transparency of the new buffered image
int transparency = Transparency.OPAQUE;
if (hasAlpha) {
transparency = Transparency.BITMASK;
}
// Create the buffered image
GraphicsDevice gs = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gs.getDefaultConfiguration();
bimage = gc.createCompatibleImage(
image.getWidth(null), image.getHeight(null), transparency);
} catch (HeadlessException e) {
// The system does not have a screen
}
if (bimage == null) {
// Create a buffered image using the default color model
int type = BufferedImage.TYPE_INT_RGB;
if (hasAlpha) {
type = BufferedImage.TYPE_INT_ARGB;
}
bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
}
// Copy image to buffered image
Graphics g = bimage.createGraphics();
// Paint the image onto the buffered image
g.drawImage(image, 0, 0, null);
g.dispose();
return bimage;
}
// This method returns true if the specified image has transparent pixels
public static boolean hasAlpha(Image image) {
// If buffered image, the color model is readily available
if (image instanceof BufferedImage) {
BufferedImage bimage = (BufferedImage)image;
return bimage.getColorModel().hasAlpha();
}
// Use a pixel grabber to retrieve the image's color model;
// grabbing a single pixel is usually sufficient
PixelGrabber pg = new PixelGrabber(image, 0, 0, 1, 1, false);
try {
pg.grabPixels();
} catch (InterruptedException e) {
}
// Get the image's color model
ColorModel cm = pg.getColorModel();
return cm.hasAlpha();
}
}