🚀 go-pugleaf

PeterH <!REMOVEBeforeSending!peter@pchenry.com> wrote:
> I've been trying for the life of me to create a thumbnail of a jpg, but I
> keep getting an out of memory error.  I took the code from one of Sun's
> websites:

Could you please post the complete text of the error message?

> -------------------------------------------------------------------
> import java.awt.Image;
> import java.awt.Graphics2D;
> import java.awt.geom.AffineTransform;
> import java.awt.image.BufferedImage;
> import java.io.IOException;
> import java.io.OutputStream;
> import java.io.FileOutputStream;
> import javax.swing.ImageIcon;
> import com.sun.image.codec.jpeg.JPEGCodec;
> import com.sun.image.codec.jpeg.JPEGImageEncoder;

> class Thumbnail {
>     public static void main(String[] args) {
>         createThumbnail(args[0], args[1], Integer.parseInt(args[2]));
>     }

>     /**
>      * Reads an image in a file and creates
>      * a thumbnail in another file.
>      * @param orig The name of image file.
>      * @param thumb The name of thumbnail file.
>      * Will be created if necessary.
>      * @param maxDim The width and height of
>      * the thumbnail must
>      * be maxDim pixels or less.
>      */
>     public static void createThumbnail(
>      String orig, String thumb, int maxDim) {
> System.err.println("orig=" + orig);
> System.err.println("thumb=" + thumb);
> System.err.println("maxDim=" + maxDim);

>         try {
>             // Get the image from a file.
>             Image inImage = new ImageIcon(orig).getImage();

>             // Determine the scale.
>             double scale = (double)maxDim/(double)inImage.getHeight(null);
>             if (inImage.getWidth(null) > inImage.getHeight(null)) {
>                 scale = (double)maxDim/(double)inImage.getWidth(null);
>             }

>             // Determine size of new image.
>             //One of them
>             // should equal maxDim.
>             int scaledW = (int)(scale*inImage.getWidth(null));
>             int scaledH = (int)(scale*inImage.getHeight(null));

>             // Create an image buffer in
>             //which to paint on.
>             BufferedImage outImage = new BufferedImage( scaledW, scaledH,
> BufferedImage.TYPE_INT_RGB);
>             //BufferedImage outImage = new BufferedImage(scaledW, scaledH,
> BufferedImage.TYPE_INT_RGB);

>             // Set the scale.
>             AffineTransform tx = new AffineTransform();

>             // If the image is smaller than
>             //the desired image size,
>             // don't bother scaling.
>             if (scale < 1.0d) {
>                 tx.scale(scale, scale);
>             }

>             // Paint image.
>             Graphics2D g2d = outImage.createGraphics();
>             g2d.drawImage(inImage, tx, null);
>             g2d.dispose();

>             // JPEG-encode the image
>             //and write to file.
>             OutputStream os = new FileOutputStream(thumb);
>             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);
>             encoder.encode(outImage);
>             os.close();
>         } catch (IOException e) {
>             e.printStackTrace();
>         }
>         System.exit(0);
>     }
> }

> -------------------------------------------------------------------

> If you have any ideas on this, it would be greatly appreciated.  Or if you
> know of a better way to do this?  I thought I could use the rescale image
> with a dimension (640, 480) type of parameter, but that doesn't seem to
> work. :<

> Thanks for any ideas.




-- 
Joi Ellis (TeamB)               http://www.teamb.com/
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