Feature Request: Support printing (e.g. @media print, page-break: etc...)

[tig]

Here's the scenario. My app prints HTML (specifically, pretty-printed source code using prismjs). I can't have a line of source code at the bottom of a page be split in half between that page and the next page.

This is what page-break-before: always is for.

Not sure how this would be implemented.

For now i have implemented an awful hack where, because I generate the HTML, i know line height and I can calculate how many lines fit on a page. With this, i'm able to adjust my draw code to account for lines that overflow.

This screen shot has some diagnostics turned on that also turns off clipping:

Same content, with my diagnostics off, showing that it works. But man is this a hack: