/**
* Creates a new JpegEncoder object.
*
* @param image DOCUMENT ME!
* @param quality DOCUMENT ME!
* @param tOut DOCUMENT ME!
*/
public JpegEncoder(Image image, int quality, OutputStream tOut) {
MediaTracker tracker = new MediaTracker(this);
tracker.addImage(image, 0);
try {
tracker.waitForID(0);
} catch (InterruptedException e) {
// Got to do something?
}
/*
* Quality of the image.
* 0 to 100 and from bad image quality, high compression to good
* image quality low compression
*/
Quality = quality;
/*
* Getting picture information
* It takes the Width, Height and RGB scans of the image.
*/
JpegObj = new JpegInfo(image);
imageHeight = JpegObj.imageHeight;
imageWidth = JpegObj.imageWidth;
// CoHort: out could be an internal OutputStream, but pointless,
// since I pass it a OutputStream already.
out = tOut;
dct = new DCT(Quality);
Huf = new Huffman(imageWidth, imageHeight);
}
/**
* Load images (used for preloading images).
*
* @param images Array of <code>Image</code> instances to preload.
* @param comp Component that will observe the loading state of the images.
*/
public static void loadImages(Image[] images, Component comp) {
MediaTracker tracker = new MediaTracker(comp);
for (int i = 0; i < images.length; i++) tracker.addImage(images[i], 0);
try {
tracker.waitForID(0);
} catch (InterruptedException ignore) {
}
}
/** Make (scale down) the thumbnail */
private Image getScaledImage(Image image, int breite, int hoehe) {
Image scaledImage = image.getScaledInstance(breite, hoehe, Image.SCALE_DEFAULT);
try {
MediaTracker mediaTracker = new MediaTracker(new Container());
mediaTracker.addImage(scaledImage, 0);
mediaTracker.waitForID(0);
} catch (InterruptedException e) {
return null;
}
return scaledImage;
}
/** Read the thumbnail */
private Image readImageThumbnail(File fileThumbnail) {
Image image = null;
try {
image = Toolkit.getDefaultToolkit().getImage(fileThumbnail.getPath());
MediaTracker mediaTracker = new MediaTracker(new Container());
mediaTracker.addImage(image, 0);
mediaTracker.waitForID(0);
} catch (InterruptedException e) {
// System.out.println("ERROR: InterruptedException beim Lesen thumbnail (" +
// fileThumbnail.getPath()
// + "). " + e);
return null;
}
return image;
}
public static java.awt.image.BufferedImage loadBufferedImageFromResources(
Component c, String filename) {
try {
Misc m = new Misc();
java.awt.Image img = loadImageFromResources(filename);
MediaTracker mt = new MediaTracker(c);
mt.addImage(img, 0);
mt.waitForID(0);
int width = img.getWidth(null);
int height = img.getHeight(null);
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics gg = bi.getGraphics();
gg.drawImage(img, 0, 0, null);
gg.dispose();
return bi;
} catch (Exception ex) {
System.out.println(ex.toString());
}
return null;
}
// ---------------------------------//
SpriteAnimate() { // constructor
// Load and track the images
mediaTracker = new MediaTracker(this);
// Get and track the background
// image
backGroundImage = Toolkit.getDefaultToolkit().getImage("background02.gif");
mediaTracker.addImage(backGroundImage, 0);
// Get and track 6 images to use
// for sprites
gifImages[0] = Toolkit.getDefaultToolkit().getImage("redball.gif");
mediaTracker.addImage(gifImages[0], 0);
gifImages[1] = Toolkit.getDefaultToolkit().getImage("greenball.gif");
mediaTracker.addImage(gifImages[1], 0);
gifImages[2] = Toolkit.getDefaultToolkit().getImage("blueball.gif");
mediaTracker.addImage(gifImages[2], 0);
gifImages[3] = Toolkit.getDefaultToolkit().getImage("yellowball.gif");
mediaTracker.addImage(gifImages[3], 0);
gifImages[4] = Toolkit.getDefaultToolkit().getImage("purpleball.gif");
mediaTracker.addImage(gifImages[4], 0);
gifImages[5] = Toolkit.getDefaultToolkit().getImage("orangeball.gif");
mediaTracker.addImage(gifImages[5], 0);
// Block and wait for all images to
// be loaded
try {
mediaTracker.waitForID(0);
} catch (InterruptedException e) {
System.out.println(e);
} // end catch
// Base the Frame size on the size
// of the background image.
// These getter methods return -1 if
// the size is not yet known.
// Insets will be used later to
// limit the graphics area to the
// client area of the Frame.
int width = backGroundImage.getWidth(this);
int height = backGroundImage.getHeight(this);
// While not likely, it may be
// possible that the size isn't
// known yet. Do the following
// just in case.
// Wait until size is known
while (width == -1 || height == -1) {
System.out.println("Waiting for image");
width = backGroundImage.getWidth(this);
height = backGroundImage.getHeight(this);
} // end while loop
// Display the frame
setSize(width, height);
setVisible(true);
setTitle("Copyright 2001, R.G.Baldwin");
// Create and start animation thread
animationThread = new Thread(this);
animationThread.start();
// Anonymous inner class window
// listener to terminate the
// program.
this.addWindowListener(
new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
} // end constructor
