After a lot of troubleshooting, I came across an issue with the View in full screen under the Context menu and the legend and number of categories, which I have narrowed down.
It appears that the number of rows the legend falls on, and the number of categories there are, affects the height of the chart when viewing in full screen. I have created a JSFiddle page and have pasted links to the 4 testing charts.
Using the JSFiddle page
In each chart…
- Click Options
- Click View full screen
To sum up, the only chart that appears properly when viewing full screen is the first one (which has a legend with 1 row and less than 10 categories). If there are 10 or more categories and/or the legend falls on 2 rows, the full screen view looks squished (half the height of the desktop screen).
Full-screen—one-legend-row + 9 categories
Full-screen—one-legend-row + 10 categories
Full-screen—two-legend-row + 9 categories
Full-screen—two-legend-row + 10 categories