Grx.Context.prototype.get_scanline

function get_scanline(x1: Number(gint), x2: Number(gint), y: Number(gint)): [return_value: Array(Grx.Color), n: Number(guint)] {
    // Gjs wrapper for grx_context_get_scanline()
}
  

An efficient way to get pixels from a context. Important: the return value is only valid until the next Grx call!

Also see Grx.get_scanline for operating on the current context.

x1

the starting X coordinate

x2

the ending X coordinate

y

the Y coordinate

return_value

an array of color values from the scanned pixels or null if there was an error

n

the length of the array