Re: [libreoffice-users] Compress images

On 02/27/2014 10:13 AM, Kracked_P_P---webmaster wrote:
> On 02/27/2014 10:01 AM, Dave Barton wrote:
> > Kracked_P_P---webmaster wrote:
> > > On 02/26/2014 10:43 PM, Dale Rebgetz wrote:
> > > > > There is a 10 MB file size limit, which my book exceeds due to the
> > > > > included pictures.
> > > > Thomas, beginning with LibreOffice 4.1 there is a new feature where if
> > > > you right-click on an image in your document you will see the option
> > > > "Compress Graphic...".
> > > >
> > > > This opens a dialogue box where you are provided with information 
> > > > about
> > > > that image (including its current size), proposed compression 
> > > > settings,
> > > > and a Calculate button to see the new size of that image if you 
> > > > were to
> > > > accept those settings.
> > > >
> > > > I have not found a way to do this on all the images at once.
> > > >
> > > > Because the changes are permanent, I suggest you *first* save a 
> > > > copy of
> > > > the original (large) document. That way you can try again if you
> > > > compress the images too much and loose too much image quality.
> > > >
> > > > Dale.
> > > What format and compression "level" are you using for your images?
> > >
> > > You could always use JPG and make the image "compressed" to the 
> > > greatest
> > > level that still a good viewable quality. Also, make sure you images 
> > > are
> > > the "exact" size you want for the document and not need to resize it to
> > > a smaller size in the document to fit the image area you are using. 
> > > That
> > > will reduce the amount of "space" in the file needed to store the 
> > > image.
> > > I have seen too many documents with nearly full page size images that
> > > are reduced to a visible one of less that 2 inches. That just add a lot
> > > of file size to the document that is not needed.
> > >
> > > So, make you image out side your document the visible size and
> > > compression level you want/need first, then you do not need to 
> > > resize it
> > > in the document and add unneeded file space/size in your document.
> > Many image formats, especially jpeg images downloaded from digital
> > cameras, contain metadata tags (eg camera maker/model, time/date and
> > many others). Removing all these metadata tags can sometimes make a
> > worthwhile contribution to reducing the size of your image files.
> >
> > A handy little program I use for resizing, compressing and stripping
> > metadata from images before inserting them into a document is "FastStone
> > Image Viewer": http://www.faststone.org/FSViewerDetail.htm Not OSS, but
> > free for personal use. A Windows only program, but undoubtedly there are
> > equal or better ones for other platforms.
> >
> > Dave
>
> Yes, the whole idea is to reduce all of the file size of the image 
> before you use it in your document.  I keep forgetting about stripping 
> the Metadata from the image.
I use Faststone Image Viewer in Ubuntu running it in Wine. I use it to 
sort and rename pictures for websites. There is also a free Windows 
program called Easy Thumbnails, which works great for resizing pictures 
and also making high quality thumbnails. I also run it in Ubuntu using 
Wine. Both have several quirks in Wine, but nothing making them not 
usable. I've not found any Linux equivalents for these. Another option 
in Linux running gnome would be to install the nautilus image converter 
which allows you to resize pictures directly in a folder by right 
clicking on the photo or photos, and then resizing directly from the 
menu without even needing to open a program.

Don
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