When you have created a background image, and all values and attributes in the skin.xml are set perfectly, it will display bit-perfect in the skin.
For example, if you use this picture:
The result will be:
Which is o.k. (except for the background of the track text)
But as soon as you select a slightly larger font for the player, and then stretching activates, the result doesn't look anything like the original anymore:
After lots of testing I found out that when stretching is getting activated, vertical stretching works fine and follows the settings made, but horizontally only the most left vertical line of pixels is used to smear out over the whole width of the player panel.
It's easier to see what happens when using this slightly altered backgound image:
When not stretched, the result is this, which is correct:
But selecting a larger font and so activating stretching results in this:
Is this a rendering issue within MusicBee? It behaves the same with v2 and v3.
Or could there be something wrong with my skin.xml?
I have always wondered that I never could get stretchX1 and stretchX2 doing anything at all.