Trying to draw a crosshair; usually I'd just set a pen to pmNotXor, and draw it.
However, I don't see a way to set the pen mode to pmNotXor. I can achieve the same thing by accessing the BGRABitmap's Scanline property & fast-direct pixel access, but I didn't see anything on the wiki about pmNotXnor.
I can access the pen mode for the canvas and get pmNotXnor, but then it could lose some speed (plus it would make the code more convoluted to start drawing directly on the canvas - less isolation).
What am I missing?