draw text using mask; fix invert mode
fall back to stbtt_FindGlyphIndex when c2g mapping isn't available
smoother height/gamma adjustments
add more stats and print average
add timings and prefilter as an option
is this gamma correction?
make height integer instead of float
store codepoint->glyph mapping in arrays and use binary search
read (sub)family, underline position and thickness
separate into more functions
fix kerning making character overwrite one another in some situations; support multiline text for testing
inversion and custom text
stb truetype rasterizer version 1 is actually faster, use it