inkview-sys has no features set by default.
[dependencies] inkview-sys = { version = "0.1.2", features = ["sdk_v6", "sdk_v4"] }
Affects inkview-sys::draw_dash_line, inkview-sys::dither_area_pattern_2level…
inkview-sys::draw_dash_line
inkview-sys::dither_area_pattern_2level