https://bugs.documentfoundation.org/show_bug.cgi?id=144195

--- Comment #21 from Frasier Crane <[email protected]> ---
That's not true - I always get the wrong file size unless I set the dimensions
to "Pixels"!

E.g. in "Draw", I create a page 30 x 20 cm landscape and place some high-res
photos on it.

When I export this page as JPG, I can select "Modify dimensions" (default 30 x
20 cm) or "Modify resolution" (default 96 dpi).

When I select the first choice, I get an image file with the dimensions 1134 x
756 pixels. Seems to be correct for 96 dpi.

When I select the second option and set it to 300 dpi, I also get an image file
with 1134 x 756 pixels, which is totally wrong of course!

The "width and height" of the image should always stay 30 x 20 cm, even if I
change the dpi, so that I can get a high-resolution output file!

When exporting JPG (and other files that are aware of dimension AND dpi), it
must be possible to specify BOTH, dimension AND dpi and not one OR the other!

A work-around is to set the dimension to 3543 x 2362 pixels - which corresponds
to an image of 30 x 20 cm with 300 dpi. This produces a correct high-res file.
However, Draw should handle that correctly (and professionally), of course, so
that I can define my output file to be 30 x 20 cm with 300 dpi...

Anyone who has ever worked with image file formats that are size and dpi aware
knows that it's not one or the other, but both that define a correct image.
It's an absolute basic feature of these file formats and I can hardly believe
that a program called "Draw" does not handle this correctly... especially when
this bug has been reported more than a year ago already...

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