Re: [xep-support] image downsampling

Hello Geoff,

With the current approach image downsampling performed by the
printing/viewing software (e.g. Adobe Acrobat) - you propose to move it
into XEP. I do not think it is a suitable role for XSL-FO rendering
engine - image downsamplig is better performed by specialized graphic
processing software. Your concern about quality of downsamplig
performed by Acrobat is another argument in favor of specialized
tools. So I think you should consider preprocessing of your graphics
with some third party tool. For example, using something like
imagemagic you can do it in a batch easily.

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

GL> Thanks for the information, Alexander. And the obvious followup
GL> question: is there any chance XEP might, in the near future, provide a
GL> way to downsample images? I am told that PDFs with embedded images that
GL> have a much higher resolution than the output document do not print
GL> well...

GL> Geoff

GL> On 28 Feb 2006, at 11:08, Alexander Peshkov wrote:

>>
>>
>> Hello Geoff,
>>
>> GL> When XEP embeds an external graphic in a PDF document, does it
>> GL> downsample the image as necessary, or does it just embed the image
>> as
>> GL> is? That is, if I reference a JPEG image and specify that it be
>> scaled
>> GL> by 10%, does XEP scale the image itself, or does it simply put the
>> GL> original image in the resulting PDF document along with the scale
>> GL> information?
>>
>> XEP utilize the latter approach.
>>
>> Best regards,
>> Alexander Peshkov
>> mailto:peshkov@renderx.com
>> RenderX
>>
>>
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Received on Tue Feb 28 08:04:08 2006