Re: [xep-support] XEP 3.8: Background color in table cell

From: Werner Donné (werner.donne@re.be)
Date: Fri Jun 25 2004 - 01:03:44 PDT

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    Thank you very much Nikolai,

    Best regards,

    Werner.

    Nikolai Grigoriev wrote:
    > Werner,
    >
    >
    >>The attached sample produces a result for which I have no explanation.
    >>It is a table with two columns and three rows. The middle row has the
    >>background-color set. This has the effect that a small portion of the
    >>cell borders is taken away. This is odd because the background is painted
    >>in the padding rectangle.
    >
    >
    > It looks more like a pixel rounding effect in Acrobat. If you zoom
    > the PDF in, the effect seemingly diappears. Your file also prints OK.
    > So my impression is that the background rectangle is correctly sized.
    >
    > I admit however that the Z-order can be made a bit more friendly: one
    > should draw all backgrounds first, and all borders afterwards, so that
    > a background could not overlap the border of another cell. Thank you
    > for the input; we will consider this as a request for improvement.
    >
    > If your file is for the print, you need not care: the effect only happens
    > on the screen. If you are building an electronic document, then
    > a simple workaround for XEP 3.8 is to specify a uniform border
    > on every cell. That is, if you restyle the table this way, it would
    > produce the same visual effect without the overlap problems:
    >
    > <fo:table border-collapse="separate"
    > table-layout="fixed"
    > border="0.1pt solid black">
    > <fo:table-body>
    > <fo:table-row>
    > <fo:table-cell border="0.1pt solid black"> ....
    > <fo:table-cell border="0.1pt solid black"> ....
    > </fo:table-row>
    > <fo:table-row background-color="rgb(221, 221, 221)">
    > <fo:table-cell border="0.1pt solid black"> ....
    > <fo:table-cell border="0.1pt solid black"> ....
    > </fo:table-row>
    > <fo:table-row>
    > <fo:table-cell border="0.1pt solid black"> ....
    > <fo:table-cell border="0.1pt solid black"> ....
    > </fo:table-row>
    > </fo:table-body>
    > </fo:table>
    >
    > Here, each cell has its own border, that is guaranteed to be drawn
    > on top of the respective background. This prevents backgrounds from
    > creeping into nearby cells.
    >
    > Regards,
    > Nikolai Grigoriev
    > RenderX
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    >

    -- 
    Werner Donné  --  Re BVBA
    Engelbeekstraat 8
    B-3300 Tienen
    tel: (+32) 486 425803	e-mail: werner.donne@re.be
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