Revision 471
fixed image refresh
| trunk/code/projects/colonet/ColonetGUI/Colonet.java | ||
|---|---|---|
| 1035 | 1035 |
*/ |
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class WebcamLoader extends Thread |
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{
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final int WEBCAMLOADER_DELAY = 400;
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final int WEBCAMLOADER_DELAY = 300;
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final String IMAGE_PATH = "http://roboclub9.frc.ri.cmu.edu/colonet.jpg"; |
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|
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URL imagePath; |
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|
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MediaTracker mt; |
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BufferedImage image; |
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Random rand; |
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public WebcamLoader (JApplet applet) |
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{
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super("ColonetWebcamLoader");
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mt = new MediaTracker(applet); |
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ImageIO.setUseCache(false); |
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try {
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imagePath = new URL(IMAGE_PATH); |
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} catch (MalformedURLException e) {
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System.out.println("Malformed URL: could not form URL from: [" + IMAGE_PATH + "]\n");
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} |
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rand = new Random(); |
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} |
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public void run () |
| ... | ... | |
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if (image != null) |
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image.flush(); |
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System.gc(); |
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try {
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imagePath = new URL(IMAGE_PATH + "?rand=" + rand.nextInt(50000)); |
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} catch (MalformedURLException e) {
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System.out.println("Malformed URL: could not form URL from: [" + IMAGE_PATH + "]\n");
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} |
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image = ImageIO.read(imagePath); |
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// The MediaTracker waitForID pauses the thread until the image is loaded. |
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// We don't want to display a half-downloaded image. |
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