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From Pascal Sancho <pascal.san...@takoma.fr>
Subject Re: More on external graphics
Date Fri, 16 Dec 2011 08:50:53 GMT
Hi Luis,
I tried your initial FO (with negative margin) against FOP 1.0 and FOP
FOP 1.0 is buggy while FOP trunk works as expected.

In addition, note that with fo:external-object or
fo:instream-foreign-object, there are half-leading before and after,
that depend on font-size and line-height.
So, if your fo:block contains no text, you can set its font-height to 0.

If line-height has a ration value (witch is inherited and defaults to
1.2), you do not need to explicitely set it to 0

Le 16/12/2011 00:50, Luis Bernardo a ├ęcrit :
> On 12/15/11 7:44 PM, Samuel Penn wrote:
>> On Thursday 15 December 2011 00:26:43 Luis Bernardo wrote:
>>> Your page definitions (margins, paddings, and so on) may be part of the
>>> problem. Negative margins in a page are suspicious to me...
>> I probably had a reason for that, but I did that 10 years ago, so I
>> don't remember why.
> Maybe to get around a bug... but you should not need to do so now. But 
> it is important to understand the page regions and how margins relate to 
> extents.
>>> I fixed your example by reducing it a simpler case. If you are not using
>>> using the start, end, before and after regions you do not need to define
>>> them. Probably later you will want to use them for static content but
>>> for the purposes of your example they are not needed.
>> I do need all those regions in the real document. I've added your
>> margins into my actual stylesheet, and the graphics are fixed, however
>> the page dimensions are now too squashed.
>> For some reason, if I tweak the margins a bit, then the image problem
>> comes back. I did remove the negative margins whilst testing the
>> example I sent, and it made no difference, so it seems not to be -ve
>> margins as such, but it is something to do with those margins.
> Attached is an example with the side regions in place. The output is the 
> same as before.
>> At least this gives me something to play with, and I can try tweaking
>> the values (and refresh my memory of what they all mean) to try and
>> find out exactly what values cause the issue.
>> Thanks very much for your help.


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