Quantizes the thickness and position of a line to whole device pixels.
This is typically used for underline or strikethrough. The purpose of
this function is to avoid such lines looking blurry.
Care is taken to make sure @thickness is at least one pixel when this
function returns, but returned @position may become zero as a result
of rounding.
Quantizes the thickness and position of a line to whole device pixels.
This is typically used for underline or strikethrough. The purpose of this function is to avoid such lines looking blurry.
Care is taken to make sure @thickness is at least one pixel when this function returns, but returned @position may become zero as a result of rounding.