/**
* Draw a polyline
*
* Draw any non-filled polygon, filled using the defined color. The color
* should be passed as an array with the keys "red", "green", "blue" and
* optionally "alpha". Each key should have a value between 0 and 1
* associated.
*
* The polyline itself is specified as an array of two-tuples, specifying
* the x and y coordinate of the point.
*
* The thrid parameter defines the width of the border and the last
* parameter may optionally be set to false to not close the polygon (draw
* another line from the last point to the first one).
*
* @param array $points
* @param array $color
* @param float $width
* @param bool $close
* @return void
*/
public function drawPolyline(array $points, array $color, $width, $close = true)
{
$style = array('width' => $width, 'color' => array('r' => $color['red'] * 255, 'g' => $color['green'] * 255, 'b' => $color['blue'] * 255));
// Draw all lines of the polygon. We cannot use the "polygon()" method
// in TCPDF, because it _always_ closes the polygon.
$last = null;
foreach ($points as $point) {
if ($last !== null) {
$this->document->line($last[0], $last[1], $point[0], $point[1], $style);
}
$last = $point;
}
// Draw closing line in polygon
if ($close) {
$first = reset($points);
$this->document->line($last[0], $last[1], $first[0], $first[1], $style);
}
}
