[xep-support] Re: Fw: external-graphic doesn't fit?!

From: Alexander Peshkov (peshkov@renderx.com)
Date: Wed Jun 02 2004 - 01:24:58 PDT

  • Next message: Ruth, Brice: "Re: [xep-support] Re: Fw: external-graphic doesn't fit?!"

    Hello Brice,

    your message bounced from xep-support list because of attachment. Big
    attachments are not allowed in our public list. When you need to send us
    some files it is recommended to use support@renderx.com

    You hit a well known problem here :-) An fo:external-graphic is an
    inline-level element. When it is hosted in a block, there is always a
    bit of white space before and after each inline element known as
    half-leading. It's this space that leads to increased height of the
    block-container content and thus to the overflow. It's enough to
    specify line-height="0pt" on the block that encloses the image in
    order to achieve correct behavior.

    However in your case the better technique would be to place
    printer-marks.pdf into the region-body background rather then employ
    absolutely-positioned container. The following code demonstrates this

    <?xml version="1.0"?>
    <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
                    <fo:simple-page-master master-name="main"
                                           page-width="4.42in" page-height="2.92in">
                            <fo:region-body background-image="url('printer-marks.pdf')"
                                            padding-top="((2.92in - 2in) div 2) + 0.165in"
                                            padding-left="((4.42in - 3.5in) div 2) + 0.18in"/>
            <fo:page-sequence master-reference="main">
                    <fo:flow flow-name="xsl-region-body">
                          <fo:external-graphic src="url('content.pdf')"/>

    (note that I reproduced spacing that appeared in your original code
    using region-body padding)

    Regarding your question about the best way to "marry" varying data
    with static image: the answer depend on the nature of the data.
    Since you haven't send us content.pdf I have no idea what kind of
    content you are trying to add to your boiler-plate PDF so it's hard to
    make any reasoned suggestions. In general you will place boiler-plate
    image in the background and then cover it with content which can be
    positioned in a number of ways (using margins/paddings, absolute
    containers, tables, etc.).

    Best regards,
    Alexander Peshkov mailto:peshkov@renderx.com

    P.S.: I'm not the only one responsible for support of XEP but all of
          us have other tasks also.

    RB> ----- Original Message -----
    RB> From: "Ruth, Brice" <bruth@Fiskars.com>
    RB> To: <xep-support@renderx.com>
    RB> Sent: Tuesday, June 01, 2004 10:42 PM
    RB> Subject: external-graphic doesn't fit?!

    RB> I have a simple-page-master setup with a width of 4.42in and height of
    RB> 2.92in. I have placed a block-container, absolutely positioned, which
    RB> contains an external-graphic (within a block), whose width & height is
    RB> exactly 4.42in x 2.92in. Unfortunately, I have to scale the height of
    RB> the graphic to 2.84in for XEP not to 'overflow' ...

    RB> What's going on here?!

    RB> <?xml version="1.0"?>
    RB> <fo:root xmlns:fo="http://www.w3.org/1999/XSL/Format">
    RB> <fo:layout-master-set>
    RB> <fo:simple-page-master master-name="main"
    RB> page-width="4.42in" page-height="2.92in"
    RB> margin-top="((2.92in - 2in) div 2) + 0.165in"
    RB> margin-left="((4.42in - 3.5in) div 2) + 0.18in">
    RB> <fo:region-body/>
    RB> </fo:simple-page-master>
    RB> </fo:layout-master-set>
    RB> <fo:page-sequence master-reference="main">
    RB> <fo:flow flow-name="xsl-region-body">
    RB> <fo:block>
    RB> <fo:external-graphic src="url('content.pdf')"/>
    RB> </fo:block>
    RB> <fo:block-container
    RB> absolute-position="fixed">
    RB> <fo:block>
    RB> <fo:external-graphic
    RB> src="url('printer-marks.pdf')"
    RB> width="4.42in" height="2.84in"/>
    RB> </fo:block>
    RB> </fo:block-container>
    RB> </fo:flow>
    RB> </fo:page-sequence>
    RB> </fo:root>

    RB> Setting the height on the 'printer-marks.pdf' to 2.92in, provides the
    RB> following error on output:

    RB> [warning] content overflow in an absolutely positioned block-container

    RB> I've attached the 'printer-marks.pdf' if it helps.

    RB> Many thanks!

    RB> Brice Ruth

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