Hi,
I'm trying to add a jpeg image to an rtf document. First I read in a jpg,
scale it and output it to a ByteArrayOutputStream (using JAI). However, when
I convert this image data to an instance of com.lowagie.text.Image and test
for its type, it doesn't seem to be recongized as a jpeg, but as raw image
data. Does anyone know what is going wrong? I've included some portions of
code:
// IN JAITest class
public ByteArrayOutputStream writeImageToBuffer( PlanarImage img,
JPEGEncodeParam encodeParam )
{
ByteArrayOutputStream out = null;
try {
out = new ByteArrayOutputStream();
ImageEncoder encoder = ImageCodec.createImageEncoder( "JPEG", out,
encodeParam );
encoder.encode( img );
} catch (Exception e) { e.printStackTrace(); }
return out;
}
// IN RTFTest class
public void addImage( ByteArrayOutputStream out, int width, int height )
{
byte data[] = out.toByteArray();
try {
com.lowagie.text.Image img = com.lowagie.text.Image.getInstance(
width, height, RGB_COMPONENTS, BITS_PER_COMPONENT, data );
document_.add( img );
System.out.println( "Is ImgRaw " + String.valueOf(
img.isImgRaw() ) );
System.out.println( "Is Jpeg " + String.valueOf(
img.isJpeg() ) );
out.close();
}
catch ( IOException ie ) { ie.printStackTrace(); }
catch ( com.lowagie.text.BadElementException be ) {}
catch ( com.lowagie.text.DocumentException de ) {
de.printStackTrace(); }
}
// OUTPUT
Is ImgRaw true
Is Jpeg false
It might be important to say that if I write the scaled jpeg to a file with
a
FileOutputStream and then create an instance of com.lowagie.text.Image using
this file, it works fine. But if I can skip having to create a new file just
to scale done the image that would be great.
Thanks for any help
Cinzia
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