Re: getImageFromMapBean function seems to return nothing

Hi Martijn,

Are you trying to do anything with transparent colors? The jpeg format
doesn't handle transparency.

- Don

On Monday, April 15, 2002, at 07:57 AM, MARTIJN VAN DER PAUW wrote:

> Hello,
>
> I want to render a jpeg image from the mapbean. Therefore i do the
> following:
>
> com.bbn.openmap.image.SunJPEGFormatter formatter =
> newcom.bbn.openmap.image.SunJPEGFormatter();
> formatter.setImageQuality(.8f);
>
> byte[] imageBytes =
> formatter.getImageFromMapBean((MapBean)this.mapBean1);
>
> try {
> FileOutputStream binFile = new FileOutputStream("test.jpg");
> binFile.write(imageBytes);
> binFile.close();
> System.out.print("written");
> }
> catch (Exception ex) {System.out.println(ex.toString());}
>
> Where mapBean1 is filled with a map and labels etc. The funcion returns
> a black image. When I test the imageformatter on a
> 'normal' Graphics context, it works ok and returns an image filled with
> the drawn image. I already looked in the
> AbstractImageFormatter where the function comes from. I didn't see
> weird things there.
>
> Kind regards,
>
> Martijn
>
>
> Martijn van der Pauw, internetontwikkelaar.
> Meteo Consult
> martijn@weer.nl
> tel: 0317 - 399800
> fax: 0317 - 423164
> http://www.weer.nl
>
> --
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>
>

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Don Dietrick, BBN Technologies, dietrick@bbn.com
10 Moulton Street, Cambridge, MA 02138
617-873-3031 [fax]-2794
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