Barbara Duprey wrote:
(OOo 2.0.4, WinXP) When I save a document as HTML, the compreesions
to create PNG images ... are too lossy to pick up a lot of the lines in
screenshots. ...
As far as I can tell, png or jpeg images are stored in the .odt without
change, and when you "Save As" HTML, the images are saved without change
as well (except for the file names).
However, the exported html code specifies that the images should be
scaled to a specific size (the size in the Writer window maybe?). The
browser is required to scale the image to whatever size is given in the
html file. This scaling is what is causing the problem.
Here's an example: I inserted a png and a jpeg image in a Writer
document and saved it as .odt and as HTML. Here are the sizes of the
original and the exported image files:
Original files:
-rw-rw-r-- 1 jes jes 1213759 Sep 22 13:08 Cydonia_H.jpg
-rw-rw-r-- 1 jes jes 448672 May 7 2006 Anatolia.png
Export from Writer to HTML:
-rw-rw-r-- 1 jes jes 1213759 Jan 27 12:32 cydonia_html_74d185d9.jpg
-rw-rw-r-- 1 jes jes 448672 Jan 27 12:32 cydonia_html_2d5ceca5.png
And the dimensions of the jpeg (original/html exported):
Cydonia_H.jpg JPEG 3670x2480 DirectClass 1.2mb 1.580u 0:03
cydonia_html_74d185d9.jpg JPEG 3670x2480 DirectClass 1.2mb 1.570u 0:03
All the same.
But in the HTML:
<IMG SRC="cydonia_html_74d185d9.jpg" NAME="graphics1" ALIGN=LEFT
WIDTH=665 HEIGHT=449 BORDER=0>
The size is specified as 665x449, so the browser scales the image down
from it's original size. This scaling is where your view is degraded.
If you use a Mozilla browser (Seamonkey or Firefox), you can view any
image in a web page at full resolution. Open the exported html file and
right click on the screenshot and select "View Image". This will open
the image file itself in a new window. Firefox will scale the image to
fit in it's window, but if you now click the image again, it is
displayed at full size.
If you need to "fix" the problem, you'll have to edit the html to change
the size specification back to the original dimensions. Writer will not
allow a picture to be larger than the page, and I don't see any way to
tell it what dpi to use for the image.
Alternatively, if you can crop the screenshot to a smaller size, Writer
won't need to scale it and the HTML should also be full size.
You can see if Writer is scaling a picture by right-clicking on the
image > Picture > Crop. This tab will display all the size and scaling
info about the image.
HTH
<Joe
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