function _GetLED($aLedIdx, $aColor = 0)
{
$width = $this->iLED_X * $this->iRad * 2 + ($this->iLED_X + 1) * $this->iMarg + $this->iRad;
$height = $this->iLED_Y * $this->iRad * 2 + $this->iLED_Y * $this->iMarg + $this->iRad * 2;
// Adjust radious for supersampling
$rad = $this->iRad * $this->iSuperSampling;
// Margin in between "Led" dots
$marg = $this->iMarg * $this->iSuperSampling;
$swidth = $width * $this->iSuperSampling;
$sheight = $height * $this->iSuperSampling;
$simg = new RotImage($swidth, $sheight, 0, DEFAULT_GFORMAT, false);
$simg->SetColor($this->iColorSchema[$aColor][2]);
$simg->FilledRectangle(0, 0, $swidth - 1, $sheight - 1);
if (array_key_exists($aLedIdx, $this->iLEDSpec)) {
$d = $this->iLEDSpec[$aLedIdx];
} else {
$d = array(0, 0, 0, 0, 0, 0, 0);
}
for ($r = 0; $r < 7; ++$r) {
$dr = $d[$r];
for ($c = 0; $c < 4; ++$c) {
if (($dr & pow(2, 3 - $c)) !== 0) {
$color = $this->iColorSchema[$aColor][0];
} else {
$color = $this->iColorSchema[$aColor][1];
}
$x = 2 * $rad * $c + $rad + ($c + 1) * $marg + $rad;
$y = 2 * $rad * $r + $rad + ($r + 1) * $marg + $rad;
$simg->SetColor($color);
$simg->FilledCircle($x, $y, $rad);
}
}
$img = new Image($width, $height, DEFAULT_GFORMAT, false);
$img->Copy($simg->img, 0, 0, 0, 0, $width, $height, $swidth, $sheight);
$simg->Destroy();
unset($simg);
return $img;
}
