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Re: [platform-swt-dev] 'Unsupported color depth' error on Linux

What Chris simply means is replace the following code

>imageLoader.save(..., SWT.IMAGE_GIF);

with

>imageLoader.save(..., SWT.IMAGE_BMP);

Hope this helps.

Udaya Tejwani

>From: Rajeev Sikka <sikkar@xxxxxxxxxx>
>Reply-To: platform-swt-dev@xxxxxxxxxxx
>
>Hi Chris,
>
>I could not follow your answer. Could you elaborate.
>
>Thanks,
>Rajeev
>
>
>
>
>Christophe Cornu <Christophe_Cornu@xxxxxxxxxx>
>Sent by: platform-swt-dev-admin@xxxxxxxxxxx
>07/29/2004 12:28 PM
>Please respond to platform-swt-dev
>
>         To:     platform-swt-dev@xxxxxxxxxxx
>         cc:
>         Subject:        Re: [platform-swt-dev] 'Unsupported color depth'
>error on Linux
>
>
>
>Hi Rajeev,
>
>Unlike GIF, the BMP encoder should support all the bit depths.
>
>Chris
>
>
>
>
>Rajeev Sikka <sikkar@xxxxxxxxxx>
>Sent by: platform-swt-dev-admin@xxxxxxxxxxx
>07/29/2004 01:42 PM
>
>Please respond to
>platform-swt-dev
>
>
>To
>platform-swt-dev@xxxxxxxxxxx
>cc
>
>Subject
>[platform-swt-dev] 'Unsupported color depth' error on Linux
>
>
>Hi,
>
>I have the following code sequence:
>
>...
>Image image = ...
>...
>ImageData imageData = image.getImageData();
>...
>ImageLoader imageLoader = new ImageLoader();
>imageLoader.save(..., SWT.IMAGE_GIF);
>...
>
>This runs fine on windows but gives 'Unsupported color depth' error on
>Linux. The reason is that the code for Image::getImageData() is different
>for Windows and Linux. On Linux the returned ImageData object has color
>depth 24 (on windows its 8). Here is the code snippet from Image.java on
>Linux:
>
>ImageData data = "" ImageData(width, height, 24, palette);
>
>Subsequently, the function ImageLoader::save which indirectly calls
>unloadIntoByteStream(ImageData ) in file GIFFileFormat.java throws a
>SWT.error, since valid color depths are only 1, 4, and 8.
>
>Is there any workaround/alternative way to get around this?
>
>Thanks,
>Rajeev


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