How to Load External Images - Please Help!

I have created a simple portfolio site. The buttons I created
trigger separate frames. Could I not create a MC (Movie Clip) on
each frame where the images now reside and then when the button is
clicked (On "Click' Goto frame 1) for e.g. then the image would be
loaded from an external folder named "Images" in my website?
I am stumped as to how to set this up. Could someone please
help me?
Thanks

Yes, you can do that. Which version of Flash and which
version of Actionscript are you using?

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Load external images

Im wanting to make a photo gallery that I can update easy, I
thought if I could have a movieclip load external images for my
thumbnails it would be nice but Im not sure how to set it up. I
would make a file for my images and then another for my thumbnails,
then if or when I want to switch out pictures I'd just have to drop
new images into my folders and not even touch the FLA. Could anyone
point me in the right direction with the right action script to use
or a tutorial that explains how this is done..
And when I say load external I want it so I dont have to
click on the image for it to load, I want it to just load
automatically , I would put an invisible button or something to
that efect over the images for a animated effect.
Thanks for your help.

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or if you just want the utility. If the later is the case, I just
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to smaller size so that they load quickly.
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I'm trying to create a photo manager but I can't find a way to load multiple images onto my frame. I have a thumbnail class that makes thumbnails for an image (which is a modified version of the class ImageHolder from FilthyRichClient)
public class Thumbnails {
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private static final int AVG_SIZE = 160;
* Given any image, this constructor creates and stores down-scaled
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public Thumbnails(File imageFile) throws IOException{
          // TODO Auto-generated constructor stub
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          else {
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originalImage.getType());
Graphics2D g2d = scaledImage.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.drawImage(originalImage, 0, 0, imageW, imageH, null);
g2d.dispose();
scaledImages.add(scaledImage);
* This method returns an image with the specified width. It finds
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* down from it, to provide a fast and high-quality scaled version
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BufferedImage getImage(int width) {
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// - the requested size is between this size and
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if (scaledW < width || ((scaledW >> 1) < width) ||
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float scaleFactor = (float)width / scaledW;
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Graphics2D g2d = image.createGraphics();
g2d.setRenderingHint(
RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2d.drawImage(scaledImage, 0, 0,
width, scaledH, null);
g2d.dispose();
scaledImage = image;
return scaledImage;
// shouldn't get here
return null;
A loop will loop through a collection of files and pass them to the constructor of Thumbnails to create thumbnails and then set them as icon for JLabels that will be added to a JPanel, but it throws a java.lang.OutOfMemoryError at this line:
BufferedImage originalImage = ImageIO.read(imageFile);
even when there're only about 8 image files in the collection (total size 2,51MB).
I've seen other people's software that could load hundreds of photos in a matter of seconds! How do I suppose to do that? How to load mutiple images efficiently? Please help!! Thanks a lot!

another_beginner wrote:
Thanks everybody! I appreciate your help! I don't understand why but when I use a separate thread to do the job, that problem disappear. You were likely doing your image loading and thumnail creation on the Event Dispatching Thread. Among other things, this is the same thread that updates and paints your panels, frames, buttons, ect.. When a programer does something computationaly expensive on the event dispatching thread then the GUI becomes unresponsive until the computation is done.
Ideally what you want to do is load images and create thumnails on a seperate thread and update your GUI on the event dispatching thread. I supect that while you are finally doing the first item, you might now be violating the second item.
Whatever, the program seems to be pretty slow on start up 'cause it have to reload images everytime. I'm using Picasa and it can display those thumbnails almost instantly. I know that program is made by professionals. But I still want to know how.I took a look at this Picasa you mentioned. It's the photo manager from google right? You're right in that the thumnails display instantly when starting up. This is because Picasa is actually saving the thumnails, instead of creating them everytime the program starts up. It only creates the thumnails once (when you import a picture) and saves the thumnail data to " +*currentUser*+ /AppData/Local/Google/Picasa2/db3/" (at least on my computer --> Vista).
Also, if your looking for speed then for some inexplicable reason java.awt.Toolkit.getDefaultToolkit().createImage(...); is faster (sometimes much faster) than ImageIO.read(...). But there comes a price in dealing with Toolkit images. A toolkit image isn't ready for anything until it has been properly 'loaded' using one of several methods. Also, when you're done and ready for the image to be garbage collected then you need to call Image.flush() or you will eventually find yourself with an out of memory error (BufferedImages don't have this problem). Lastly, Toolkit.createImage(...) can only read image files that the older versions of java supported (jpg, png, gif, bmp) .
And, another question (or maybe I should post it in a different thread?), I can't display all thumbnails using a JPanel because it has a constant height unless I explicitly set it with setPreferredSize. Even when put in a JScrollPane, the height doesn't change so the scrollbar doesn't appear. Anyone know how to auto grow or shrink a JPanel vertically? Or I have to calculate the preferred height by myself?Are you drawing the thumnails directly on the JPanel? If so then you will indeed need to dynamically set the preferred size of the component.
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Loading External Images Causes Memory Leak

I have been working on an Actionscript 2.0 project that basically loads external images.
Everytime i load and unload a new image, memory increases to 1 or 2 MBs
If all the images are in cache, then it increased to 4 or 8 KBs
In the unloading of images, I have removed loader and the container of the image.
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How to Load External Images - Please Help!

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