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List:       koffice-devel
Subject:    Re: [RFC] Limiting the file formats used by KoPicture (KWord/KPresenter)
From:       Nicolas Goutte <nicolasg () snafu ! de>
Date:       2003-01-27 18:37:19
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Well, as nobody seems to be interested by my change, I will delay it until the 
need arises.

Have a nice day/evening/night!

On Saturday 25 January 2003 15:15, Nicolas Goutte wrote:
> Currently in KoPicture, we assume that QImageIO can handle all image
> formats used in KWord and KPresenter. However, it limits the portability of
> KWord and KPresenter file formats, as a non-QT application could suddenly
> have to deal with an image file format that it does not know.
>
> Therefore, I would like to limit the file formats used by KoPicture to:
>
> PNG (image/png)
> JPEG (image/jpeg)
> JPEG2000 (image/j2k)
> EPS (image/x-eps)
> SVG (image/svg+xml)
>
> BMP (image/x-bmp)
> WMF (image/x-wmf)
> QPicture (image/x-vnd.trolltech.qpicture)
>
> In a distant future, I would like to remove WMF and QPicture, but
> currently it is not possible. In a less distant future and perhaps already
> for KOffice 1.3, I would like to remove BMP too.
>
> The advantage is, as already written, a better compactibility with non-QT
> applications and theirs import filters. (You can see it similar to why we
> limit KOffice's XML documents to be in UTF-8.)
>
> An incovenient is that many image formats must be converted to PNG when an
> image is inserted by the user or when loading a document (possibly by a
> filter.)
>
> A second incovenient is that export filters might have to convert again the
> picture. However as no file format knows all of QT's image formats, all
> export filters will need to have code to convert images. So these export
> filters are not bloated.
>
> Have a nice day/evening/night!
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> koffice-devel mailing list
> koffice-devel@mail.kde.org
> http://mail.kde.org/mailman/listinfo/koffice-devel

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