Re: Re[2]: [xep-support] Adobe SVG

From: Nikolai Grigoriev (grig@renderx.com)
Date: Tue Jun 22 2004 - 07:42:37 PDT

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    James,

    your problem is not related to SVG, but rather to limitations in PNG support in XEP.
    The file that you get from Illustrator contains >150 Kb of proprietary Adobe stuff
    (non-SVG), plus a raster image in PNG, embedded using 'data:' URI scheme.
     
    I attach the PNG image that I extracted. (It is only 3.4 Kb when decoded, and is the
    only meaningful contents of the 190+ Kb SVG file. I wonder why do you need all this
    SVG dressing at all?)

    The PNG image uses a transparent background. Unfortunately, PNG transparency
    support in XEP is limited: see http://xep.xattic.com/xep/doc/spec.html#PNG
    for details: we can only map one color as transparent. Your file uses more
    transparent colors, and one of them happens to be black; XEP draws it
    as opaque, producing the effect you witness.

    Right now, the only feasible way to work around this issue consists in using opaque
    PNG with white background.

    Best regards,
    Nikolai Grigoriev
    RenderX

    ----- Original Message -----
    From: "James Drayton" <James.Drayton@Solipsys.com>
    To: "'Alex Peshkov'" <support@renderx.com>
    Sent: Tuesday, June 22, 2004 6:16 PM
    Subject: RE: Re[2]: [xep-support] Adobe SVG

    Here you go...

    -----Original Message-----
    From: Alexander Peshkov [mailto:peshkov@renderx.com]
    Sent: Tuesday, June 22, 2004 4:47 AM
    To: James Drayton
    Cc: support@renderx.com
    Subject: Re[2]: [xep-support] Adobe SVG

    Hello James,

    There was no attachment with your message. Please re-send it directly at
    support@renderx.com.

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

    JD> Nikolai,

    JD> Thank you. I am sorry to have missed this obvious error. One more
    JD> question:

    JD> I have attached a SVG that when viewed by itself in Internet Explorer or
    in
    JD> a PDF created with FOP maintains a white background. However, in a PDF
    JD> created with XEP the background is black. Why does this happen?

    JD> ...Thank you once again for your time and consideration...

    JD> Regards,

    JD> James

    JD> -----Original Message-----
    JD> From: owner-xep-support@renderx.com
    [mailto:owner-xep-support@renderx.com]
    JD> On Behalf Of Nikolai Grigoriev
    JD> Sent: Monday, June 21, 2004 1:33 PM
    JD> To: xep-support@renderx.com
    JD> Subject: Re: [xep-support] Adobe SVG

    JD> James,

    >> I can do following and not receive an error:
    >> ...
    >> <arg line="-DROOT=${XEP_HOME} -Dcom.renderx.sax.entityresolver=foo

    JD> You are specifying these classes as arguments to XSLDriver class,
    JD> whereas they should be arguments _to the Java machine itself_.
    JD> In Ant, system variables for a forked Java call are set using <jvmarg>:

    JD> <java classname="com.renderx.xep.XSLDriver" ...>
    JD> <arg line="...."/>
    JD> <jvmarg
    JD>
    value="-Dcom.renderx.sax.entityresolver=com.sun.resolver.tools.CatalogResolv
    er"/>>
    JD> <jvmarg
    JD>
    value="-Dcom.renderx.jaxp.uriresolver=com.sun.resolver.tools.CatalogResolver
    "/>>
    JD> </java>

    JD> Regards,
    JD> Nikolai

    JD> ----- Original Message -----
    JD> From: "James Drayton" <James.Drayton@Solipsys.com>
    JD> To: <xep-support@renderx.com>
    JD> Sent: Monday, June 21, 2004 8:26 PM
    JD> Subject: RE: [xep-support] Adobe SVG

    JD> Nikolai,

    JD> It appears that the following:

    JD> java
    JD> -Dcom.renderx.sax.entityresolver=.sun.resolver.tools.CatalogResolver
    JD> -Dcom.renderx.jaxp.uriresolver=com.sun.resolver.tools.CatalogResolver

    JD> I can do following and not receive an error:

    JD> <propertycopy name="PDF_DOC" from="${docType}_PDF" />
    JD> <echo message="Building ${docType} PDF Document with XEP..." />
    JD> <java classname="com.renderx.xep.XSLDriver"
    JD> classpathref="docbook.classpath"
    JD> fork="true"
    JD> dir="."
    JD> maxmemory="${MAX_MEMORY}"
    JD> failonerror="true"
    JD> >
    JD> <arg line="-DROOT=${XEP_HOME} -Dcom.renderx.sax.entityresolver=foo
    JD> -Dcom.renderx.jaxp.uriresolver=foo
    JD> -fo ${DOC_TMP_DIR}/.tmp${docType}.PDF.fo -pdf ${PDF_DOC}" />
    JD> </java>

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