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Dynamic image from dataset (blob)

system_migrated

Hi, I have problem with dynamic image in Birt. I set img on template report and set image data on dataset ->column (image) Date type blob.

In dataset when I get previous results I see my object name picture type String and "FFFFFF89 50 4E 47 D A 1A A...." in column Image (type blob) but in previews report i can't see my picture (I see only icon images).

Do you know what is wrong ?

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Comments

mwilliams

Hi DiGGeR,

Are you sure your database image data is of type BLOB?

Migrateduser

I use dateset from Scripted Data Source. I'm doing it this way.

import java.sql.Blob;

BufferedImage bufferedImage = chart.createBufferedImage(500, 300);
byte[] imgByte;
try {
imgByte = ChartUtilities.encodeAsPNG(bufferedImage);
} catch (IOException ex) {
throw new RuntimeException("Couldn't encode picture", ex);
}
Blob blob=null;
blob=new SerialBlob(imgByte);