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<p>Hi Frank,</p>
<p><br>
</p>
<p>So:</p>
<p><br>
</p>
<p>
<blockquote type="cite">
<p>The DITA attribute "scale" would do the trick. [But strangely
enough only if set to about "80" %, and not "61" % , which
would be the equivalent to "92/150" dpi). However, I do not
want to scale images in the published output, only in the
editor. </p>
</blockquote>
In my opinion adding the @scale attribute in the XML document just
to make things look in a certain way in the editor is not a good
way to proceed.<br>
<blockquote type="cite">
<p>The good thing is: MiramoPDF ignores the "scale" attribute
and leaves the images as they are in the PDF. </p>
</blockquote>
Looks like a bug in Miramo.<br>
<blockquote type="cite">
<p>The bad thing: oXygen applies this scaling in the CHM files
(as expected, of course).</p>
</blockquote>
Works as expected.<br>
<blockquote type="cite">
<p><br>
</p>
<p>Isn't there any trick to make the oXygen editor believe the
"scale" attribute was set to "80", but without actually
applying this attribute to the dita data? Couldn't this be
implemented somehow?</p>
</blockquote>
</p>
<p>Not yet. Maybe with a Java based plugin a listener could be added
to automatically add a default @scale attribute to each image
element, such default attributes not being serialized in the final
XML content but being taken into account... but this would need to
be pursued further...<br>
</p>
<p>For our CSS-based PDF processor we have this "image-resolution"
CSS property:</p>
<p><a class="moz-txt-link-freetext" href="https://www.oxygenxml.com/doc/versions/25.0/ug-editor/topics/dcpp_images.html">https://www.oxygenxml.com/doc/versions/25.0/ug-editor/topics/dcpp_images.html</a></p>
<p>I added an internal issue based on your feedback to consider
taking it into account in the editor as well:</p>
<p><br>
</p>
<p> EXM-52435 Take into account image-resolution property when
displaying images<br>
</p>
<p><br>
</p>
<p>Regards,</p>
<p>Radu</p>
<pre class="moz-signature" cols="72">Radu Coravu
Oxygen XML Editor</pre>
<p></p>
<div class="moz-cite-prefix">On 2/13/23 14:55, Frank Dissinger
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:60043831-c10c-6dac-d74b-85937b4f9dd1@cgs-oris.com">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<p> </p>
<div class="moz-text-html" lang="x-unicode">
<p>Hi Radu, Kris, Stefan and Tony,<br>
</p>
<p><br>
</p>
<p>Thank you for your replies.</p>
<p><br>
</p>
<p>I do not use FrameMaker anymore, neither for editing nor for
publishing to PDF. I use MiramoPDF for publishing to PDF and
oXygen for publishing to CHM. Shifting back to FM is
definitely not an option for me.<br>
</p>
<p><br>
</p>
<p>The only thing I currently do is compare how DITA files look
like in FM and oXygen to make sure they are presented in a
similar way. I must be sure that the files are OK. If I see
them completely differently, I get confused and start worrying
that something has gone wrong...</p>
<p><br>
</p>
<p>The DITA attribute "scale" would do the trick. [But strangely
enough only if set to about "80" %, and not "61" % , which
would be the equivalent to "92/150" dpi). However, I do not
want to scale images in the published output, only in the
editor. The good thing is: MiramoPDF ignores the "scale"
attribute and leaves the images as they are in the PDF. The
bad thing: oXygen applies this scaling in the CHM files (as
expected, of course).</p>
<p><br>
</p>
<p>Isn't there any trick to make the oXygen editor believe the
"scale" attribute was set to "80", but without actually
applying this attribute to the dita data? Couldn't this be
implemented somehow?</p>
<p><br>
</p>
<p>The use case is: In the editor window I would like to have a
good estimate of how wide images are to see if they exceed the
borders of an A4-sized page. This is especially important when
I place multiple inline images in the same paragraph so that
they are shown side by side. It looks ugly if there is a line
break just because one of the image is a few pixels too wide.
In FrameMaker I could see this exactly and then I would tweak
the images a little in Photoshop to cut off a few pixels...</p>
<p><br>
</p>
<p>It is good to know that there is an option in MiramoPDF (and
other PDF rendering engines) that scales images automatically
down to make them fit on the page. But this is not applicable
to the use case I have just described. Moreover, the images
may get blurred. I always sharpen them when I scale them down
in Photoshop and make sure that text is still readable.</p>
<p><br>
</p>
<p>As a workaround, can I display a kind of ruler in the oXygen
window? I would like to see a thin vertical line at a
user-defined pixel or mm position on the right-hand side of
the editor window. This line would mark the end of the text
column. I could do this with CSS (fixed width, border right),
but the line shifts to the right if an image is wider.<br>
</p>
<p><br>
</p>
<p>Best regards,</p>
<p>Frank<br>
<br>
</p>
<div class="moz-cite-prefix">
<hr width="100%" size="2">Am 10.02.2023 um 08:42 schrieb
Oxygen XML Editor Support (Radu Coravu):<br>
</div>
<blockquote type="cite"
cite="mid:d350295a-745f-2de2-8de6-47e30a3d5dcb@oxygenxml.com">
<p>Hi Frank,</p>
<p><br>
</p>
<p>Please see some remarks below:<br>
</p>
<p> </p>
<blockquote type="cite">
<p>All my images have PNG format and an
"otherprops="fmdpi:xxx" attribute where xxx is usually
150, in some cases 140, 160 or similar. FrameMaker, my
previous XML editor, honors this attribute and scales the
images appropriately.</p>
</blockquote>
Well it honors its own Frame specific custom attributes which
are not defined in the DITA specification.
<p>Are you still publishing to PDF using Frame?<br>
</p>
<blockquote type="cite">
<p>I notice that oXygen displays images bigger in its editor
compared to 150 dpi images in FrameMaker. </p>
</blockquote>
Oxygen's default DPI is about 96 which is closer to the Web
output.
<p>We have some CSS settings to change the DPI when publishing
DITA to PDF using our CSS based engine:</p>
<p><a class="moz-txt-link-freetext"
href="https://www.oxygenxml.com/doc/versions/25.0/ug-editor/topics/dcpp_images.html"
moz-do-not-send="true">https://www.oxygenxml.com/doc/versions/25.0/ug-editor/topics/dcpp_images.html</a></p>
<p>but we do not have settings to change the DPI in the visual
editor on a per-image base.<br>
</p>
<blockquote type="cite">
<p>I would need to reduce all images to about 66% of their
size (= by factor 1.5). Unfortunately I do not know of any
CSS style which scales images based on their own pixel
size. Percentage values in CSS apply to the widht or
height of the viewport.</p>
</blockquote>
Yes, I also do not see a possible way to do this with CSS.
DITA <image> elements allow setting the width or scale
attributes on them. Like:
<p> </p>
<blockquote type="cite"><image
href="../../images/Iris_sanguinea.jpg" scale="160"/></blockquote>
and Oxygen takes this into account. But we take it into
account because we know it's DITA, not because of a certain
CSS rule which could be modified to cover another attribute.<br>
<blockquote type="cite">
<p><br>
</p>
<p>Likewise, I would like to make sure that table columns
are not too narrow on the PDF pages.</p>
</blockquote>
<p>Most XML editors are not what you see is what you get
especially because XML can be published to multiple formats.
The PDF may have a different font, it splits into pages, it
has a certain page width... best you can do is to try and
make things look more like the published content in the
visual editor and check the PDF from time to time.<br>
</p>
<p><br>
</p>
<p>Regards,</p>
<p>Radu</p>
<pre class="moz-signature" cols="72">Radu Coravu
Oxygen XML Editor</pre>
<p><br>
</p>
<div class="moz-cite-prefix">On 2/9/23 15:08, Frank Dissinger
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:5e951c8a-c4be-314d-21f4-a3314949d860@cgs-oris.com">
<p>Hi list,</p>
<p><br>
</p>
<p>I publish DITA content as online help and PDF. In
oXygen's Author mode I would like to make sure that images
do not exceed the width of the A4-sized PDF pages.
Sometimes I also place two or more inline images side by
side in a paragraph and want to make sure if all of them
fit on the line or if there is a line break between them.<br>
</p>
<p><br>
</p>
<p>All my images have PNG format and an
"otherprops="fmdpi:xxx" attribute where xxx is usually
150, in some cases 140, 160 or similar. FrameMaker, my
previous XML editor, honors this attribute and scales the
images appropriately.</p>
<p><br>
</p>
<p>I notice that oXygen displays images bigger in its editor
compared to 150 dpi images in FrameMaker. I would need to
reduce all images to about 66% of their size (= by factor
1.5). Unfortunately I do not know of any CSS style which
scales images based on their own pixel size. Percentage
values in CSS apply to the widht or height of the
viewport.</p>
<p><br>
</p>
<p>Likewise, I would like to make sure that table columns
are not too narrow on the PDF pages.</p>
<p><br>
</p>
<p> What can I do? Any ideas are welcome.</p>
<p><br>
</p>
<p>Regards,</p>
<p>Frank<br>
</p>
<br>
</blockquote>
</blockquote>
</div>
<div class="moz-cite-prefix">
<hr width="100%" size="2">Am 10.02.2023 um 11:48 schrieb Tony
Graham:<br>
</div>
<blockquote type="cite"
cite="mid:b54ea1df-8e98-3281-164b-5d4a9898c259@antenna.co.jp">On
09/02/2023 13:08, Frank Dissinger wrote: <br>
... <br>
<blockquote type="cite">All my images have PNG format and an
"otherprops="fmdpi:xxx" <br>
attribute where xxx is usually 150, in some cases 140, 160 or
<br>
similar. FrameMaker, my previous XML editor, honors this
attribute <br>
and scales the images appropriately. <br>
</blockquote>
<br>
FrameMaker honours it because it is FrameMaker-specific. <br>
<br>
<blockquote type="cite">I notice that oXygen displays images
bigger in its editor compared to <br>
150 dpi images in FrameMaker. I would need to reduce all
images to <br>
about 66% of their size (= by factor 1.5). Unfortunately I do
not <br>
know of any CSS style which scales images based on their own
pixel <br>
size. Percentage values in CSS apply to the widht or height of
the <br>
viewport. <br>
</blockquote>
<br>
There was an 'image-resolution' property in a previous CSS GCPM
WD [1], <br>
but it's not in any current CSS spec. It let you specify
whether to use <br>
the DPI in the image, a specified DPI, or 'CSS pixels'. <br>
<br>
Antenna House Formatter implements it [2] (also as <br>
'axf:image-resolution' in XSL-FO). <br>
<br>
<blockquote type="cite">Likewise, I would like to make sure
that table columns are not too narrow on the PDF pages. <br>
</blockquote>
<br>
You might need to start a new thread for that, because everyone
so far <br>
has fixated on the image resolution question. <br>
<br>
Regards, <br>
<br>
<br>
Tony Graham. <br>
</blockquote>
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