[Bug 121749] Add ability to chose the method, which is used to stretch images

[bu...@apache.org]

https://issues.apache.org/ooo/show_bug.cgi?id=121749

--- Comment #1 from rainerbielefeld <ra...@bielefeldundbuss.de> ---
Created attachment 80694
  --> https://issues.apache.org/ooo/attachment.cgi?id=80694&action=edit
Test Kit

I did some tests with server installation of  "AOO 4.0.0-Dev – English UI /
German locale [AOO400m1(Build:9700) - Rev. 1482523 Rev.1482259 (2013-05-15)]"
on WIN7 Home Premium (64bit)", own separate user profile
I am not 100% sure whether I understand the intentions of the request.

I exported the small tricolore source square from my sample.odg document to a
sample.bmp and used sample.bmp for some tests.

* Left 200mm height rectangle: stretched source, shows sharp threshold line
* Middle 200mm height rectangle: Rectangle with autofit filling sample.bmp,
  shows blurry threshold line
* Right 200mm height rectangle: Stretched sample.bmp, already shows 
  blurry threshold line 
* sample.bmp imported. With big zoom (and also using irfan view for sample.bmp)
  oyu will see that already the exported raster graphic has those blurry lines, 
  what with big magnification already look like a gradient.

I think the main reason for the blurry threshold lines in the rectangles with
big height in my example.odg is that already the exported .bmp has these blurry
threshold lines different from the source.

@Regina: What do you think?

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