Re: diaw.exe 0.97.2 -> size prediction of .png export not 100% on the spot

["Edzo A. Botjes" <e a botjes gmail com>]

mm but if I am correct there is no images or other non compressible data in the .dia file.

is it not so that the .dia file is full of text? thus that the compression with a given factor can be predicted?

or otherwise put. how often is the "maybe" value the real value?

Because the difference is pretty big, an image of 100 MB I will not send via email. An image of 1MB i will. And thus this message can have big influence on the behavior of the user. And giving the real vallue is cool :)

Kind regards 

Edzo

On Thu, May 31, 2012 at 8:55 PM, Hans Breuer <hans breuer org> wrote:

At 29.05.2012 14:19, Edzo A. Botjes wrote:

Dear L.S.

When using DIA I came to the next behaviour.

When I choose in "page setup" for "scaling" of 200.
And then I go to "File" ->  "Export" and choose the PNG extension
it gives the warning that the target file is going to be "29.3MB"

Sorry, it is not - there is no mentioning of target file size at all.

Giving a warning is good :), but when I look at the file size then it is a
bit smaller. 445 KB

This is the difference between uncompressed and compressed size.

Please notice the _may_ and the _or_ in the warning message:

""" You are about to export a diagram which may
   require 75,0 MB of memory.(153 pages). """

-------- Hans "at" Breuer "dot" Org -----------
Tell me what you need, and I'll tell you how to
get along without it.                -- Dilbert
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