converting ARGB TIFF to RGB TIFF

[Felicia Ionascu]

Hi fellow Batik developers,

I'm using Batik to convert SVG to TIFF. The problem I have is that I
want the generated TIFF to be RGB (no alpha channel).
With the TIFFTranscoder, the default TIFF is ARGB. So I first generate
the ARGB TIFF and then I try to convert it to RGB using TIFFImageDecoder
and TIFFImageEncoder.   With the following code:

   TIFFImageDecoder decoder = new TIFFImageDecoder (inputStream, new
TIFFDecodeParam());
    TIFFImageEncoder encoder = new TIFFImageEncoder (outputStream, new
TIFFEncodeParam());

    RenderedImage renderIn =
(RenderedImage)decoder.decodeAsRenderedImage(0);

  BufferedImage bufImage = new BufferedImage(renderIn.getWidth(),
renderIn.getHeight(), BufferedImage.TYPE_INT_RGB);

   FormatRed renderOut = new FormatRed(GraphicsUtil.wrap(renderIn),
bufImage.getColorModel());

   encoder.encode(renderOut);

I have a mismatch of type because the SampleModel of bufImage has INT
data type and the raster of renderIn has BYTE data type. I thought that
FormatRed deals with this conversion.
What do you think it's the cause? How could I do it in other way?

Thanks a lot for your advice,
Felicia



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