src/Drawille/Canvas.php
public function set($x, $y) {
        list($x, $y, $px, $py) = $this->prime($x, $y);
        $this->chars[$py][$px] |= $this->getDotFromMap($x, $y);
    }
public function set($x, $y) {
        list($x, $y, $px, $py) = $this->prime($x, $y);
        $this->chars[$py][$px] |= $this->getDotFromMap($x, $y);
    }
Sets a pixel at the given position

@param integer $x x position
@param integer $y y position