/**
* @static
* @param $img resource
* @param $imginfo array
*/
public static function getLogoPosition($img, $imginfo)
{
list($w, $h) = $imginfo;
$ds = array();
foreach (self::$positions as $pos => $colorcheck) {
foreach ($colorcheck as $coltxt => $coord) {
if ($coord['x'] < 0) {
$coord['x'] = $w + $coord['x'];
}
if ($coord['y'] < 0) {
$coord['y'] = $h + $coord['y'];
}
$color = imagecolorat($img, $coord['x'], $coord['y']);
// echo "({$coord['x']}, {$coord['y']})";
// echo "| $pos " . dechex($color);
$ds[$pos][$coltxt] = self::colorMeasure($color, $coord['color']);
}
}
// $ds2[$color][$position]
$ds2 = CArray::rotate($ds);
$mincolord = array();
$counts = array();
foreach ($ds2 as $col => $poss) {
$min = 1024;
$key = 0;
foreach ($poss as $pos => $d) {
if ($min > $d) {
$key = $pos;
$min = $d;
}
}
$mincolord[$col]['pos'] = $key;
$mincolord[$col]['d'] = $min;
$counts[$key] = 0;
}
// minimal color distance
foreach ($mincolord as $col => $data) {
if ($data['d'] < 100) {
$counts[$data['pos']]++;
}
}
// return $counts;
foreach ($counts as $k => $v) {
if ($v == 2) {
return $k;
}
// ==count($mincolord)
}
if (array_sum($counts) == 0) {
return false;
}
return $counts;
}
