…bad.

…s to pixels.

…X renderer now to know what the signal means and figure it out.

…iewport change. Add comments to the TriggerScroll calls to explain why each was chosen.

…d on as the shader is applied at a late stage in the pipeline and causes an unexpected graphics effect with differential drawing.

… the old Present method.

…ove MUL/DIV ones). Add scale test to point.

…implemented scale on til::size mostly as a copy of til::point's implementation and copied the test.)

…to maintain robustness.

…map is invalid.

…ure of union rect invalidation meant it was never a problem before.

…estriction area because it isn't populated until the first scroll operation.

…e bottom of characters on every other line when rendering High DPI text.

… render target scaling.

…nder the renderer while it's operating.

…ver DPI from the D2DRenderTarget into the font choice itself.

…ensations in calculating invalid areas as the font has already adjusted to compensate.

…resize.

* This seems to work, but can it avoid resizing the buffer twice on a DPI change?

* Add a doc comment that should have been in the previous commit

* Remove some dead code I didn't end up needing

* convert TSFInputControl::_RedrawCanvas to use til wherever possible

  This is just here to help me debug

* I think this works fine on high-dpi for latin, cyrillic, emoji, chinese

* This _actaully_ works and displays the composition correctly. Needs comments

* Clean up this code significantly

* This does in fact work

* Skip one of the two resizes during a DPI scale change.

* This definitely fixes the gutters, but lets try to be more surgical about it

* Add some comments

* This fixes the 'vim open in an inactive tab' bug I was seeing, but I might be able to do it without reverting the double resize

* More good good til helpers

* rewrite TermControl::_GetTerminalPosition, this might all be wrong though.

* Do pointer event scaling in DIPs

* Largely cleanup, but also add a TODO as it's almost 5pm here

* Remove unused code, comments about receiving a useless ScaleChanged event

* Update the font size in response to a settings reload

* Fix blanking vim on a settings update

* good bot

* Immediately tell the VT Engine about the new viewport size when we resize conpty

* fix the bitmap::all() function so we can actually use it

(cherry picked from commit ba1a8a34292180cae10c135743ecd94b1da6f286)

* maybe I should let it finish building before I commit

(cherry picked from commit 98cdbeca349acb55c5b5aef1d96206a8fa7b62e4)

* Hey what's this doing here

* Account for IME wrapping

…nger needed/used.