This is basically a Windows GDI (and GDI+) thing.

However, when Framemaker sets up the so-called "device context" during
PostScript -> PDF creation it is actually possible to set a "drawing flag"
that prevent drawing the white rectangle before drawing the image itself.

It seem that Framemaker fail to set the this "drawing flag" correctly when
the frame that contain the image is set *not* to have a background colour.

So, even though Windows GDI by default does this "background thing",
applications that call the Windows drawing functions (as Framemaker does)
can set a flag that avoid it. Framemaker does not seem to attempt to avoid
drawing a filled rectangle behind images even though it should (under
certain circumstances).

Best regards / Med venlig hilsen
Jacob Sch?ffer  |  Chief Developer

Grafikhuset (House of Graphics)
Paradis All? 22, Raml?se
DK-3200 Helsinge, Denmark
Phone: +45 4439 4400
Email: js at grafikhuset.dk
Web: www.grafikhuset.net

-----Original Message-----
From: framers-boun...@lists.frameusers.com
[mailto:framers-bounces at lists.frameusers.com] On Behalf Of Shlomo Perets
Sent: Saturday, February 07, 2009 7:11 PM
To: Ulrike Forsberg (UFO); framers at frameusers.com
Subject: Re: imported graphic on coloured background - thin white linearound
the inserted graphic


You wrote:

>I have a coloured background in my FM document and have added an image 
>with the same background colour (to make the inserted image look
>'transparent') by reference. I have no line around the image, just a 
>fill with the same RGB code as the background color in the FM document.
>Everything looks fine in FM, the contours of the inserted file are 
>invisible. I produce a pdf file, everthing is fine, no contours around 
>the inserted image visible. When I print the pdf, there is a fine white 
>contour line around the inserted graphic, any suggestions how I can get 
>rid of it? I tried to check the object properties, without success.

This problem is related to a bug in the PS output of FrameMaker (all
versions) on Windows. In the PostScript/PDF output produced by
FrameMaker/Windows, a solid white rectangle is placed underneath all
bitmaps. It has the same size as the bitmap, but may be displayed
occasionally (sometimes for a split second when you zoom in/out, especially
when the page is busy and the display is slow) or become noticeable when

You can easily see the solid white rectangle if you open the PDF in the full
version of Acrobat and use the Object TouchUp tool to drag items -- as you
drag the image, you'll see a solid white rectangle below it.

Possible workarounds: explicitly set a thick border for the image (eg a
3-point border) with the same color as the background, or produce the entire
background color with the image as a single bitmap.
[ The solid white rectangle may not be placed underneath EPS bitmaps, but
this varies depending on the FM version and the way the PDF is produced, and
may not be consistent -- hence it is not a general-purpose workaround ]

Shlomo Perets

MicroType * http://www.microtype.com
FrameMaker training & consulting * FM-to-Acrobat TimeSavers

"Improve Your FrameMaker Skills" live web-based training sessions


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