/**
* @param Color $color
* @param int $accuracy
* @return Part|null
*/
public function findOneWithColorLike($color, $accuracy)
{
// Пробуем найти полное соответствие цвета
$partQb = $this->createQueryBuilder("part");
$partQb->join("part.avgColor", "color");
$partQb->andWhere($partQb->expr()->eq("color.red", $color->getRed()));
$partQb->andWhere($partQb->expr()->eq("color.green", $color->getGreen()));
$partQb->andWhere($partQb->expr()->eq("color.blue", $color->getBlue()));
$partQb->andWhere($partQb->expr()->eq("part.active", true));
$parts = $partQb->getQuery()->execute();
/*$criteria = new Criteria();
$expressionRed = $criteria->expr()->andX(
$criteria->expr()->gt("color.red", $color->getRed() - $accuracy),
$criteria->expr()->lt("color.red", $color->getRed() + $accuracy)
);
$expressionGreen = $criteria->expr()->andX(
$criteria->expr()->gt("color.green", $color->getGreen() - $accuracy),
$criteria->expr()->lt("color.green", $color->getGreen() + $accuracy)
);
$expressionBlue = $criteria->expr()->andX(
$criteria->expr()->gt("color.blue", $color->getBlue() - $accuracy),
$criteria->expr()->lt("color.blue", $color->getBlue() + $accuracy)
);*/
// Если не получилось то ищем похожие цвета с некоторой погрешностью
if (count($parts) == 0) {
$partQb = $this->createQueryBuilder("part");
$partQb->join("part.avgColor", "color");
// $partQb->andWhere($expressionRed);
// $partQb->andWhere($expressionGreen);
// $partQb->andWhere($expressionBlue);
// $partQb->andWhere("color.red > ". ($color->getRed() - $accuracy));
// $partQb->andWhere("color.red < ". ($color->getRed() + $accuracy));
// $partQb->andWhere("color.green > ". ($color->getGreen() - $accuracy));
// $partQb->andWhere("color.green < ". ($color->getGreen() + $accuracy));
// $partQb->andWhere("color.blue > ". ($color->getBlue() - $accuracy));
// $partQb->andWhere("color.blue < ". ($color->getBlue() + $accuracy));
$partQb->andWhere($partQb->expr()->gt("color.red", $color->getRed() - $accuracy / 2));
$partQb->andWhere($partQb->expr()->lt("color.red", $color->getRed() + $accuracy / 2));
$partQb->andWhere($partQb->expr()->gt("color.green", $color->getGreen() - $accuracy / 2));
$partQb->andWhere($partQb->expr()->lt("color.green", $color->getGreen() + $accuracy / 2));
$partQb->andWhere($partQb->expr()->gt("color.blue", $color->getBlue() - $accuracy / 2));
$partQb->andWhere($partQb->expr()->lt("color.blue", $color->getBlue() + $accuracy / 2));
$partQb->andWhere($partQb->expr()->eq("part.active", true));
$parts = $partQb->getQuery()->execute();
}
if (count($parts) > 0) {
$index = rand(0, count($parts) - 1);
return $parts[$index];
}
return null;
}
/**
* Check segmentation need of image part
* Проверяет необходимость деления части изображения
* @param ImagickExt $imagick
* @return bool
*/
private function needDividePart($imagick)
{
$width = $imagick->getWidth();
$height = $imagick->getHeight();
$topLeftPart = $imagick->getImageFromRect(0, 0, $width / 2, $height / 2);
$bottomRightPart = $imagick->getImageFromRect($width / 2, $height / 2, $width, $height);
$topRightPart = $imagick->getImageFromRect($width / 2, 0, $width, $height / 2);
$bottomLeftPart = $imagick->getImageFromRect(0, $height / 2, $width / 2, $height);
$sub1 = Color::compare($topLeftPart->getAvgColor(), $bottomRightPart->getAvgColor());
$sub2 = Color::compare($topRightPart->getAvgColor(), $bottomLeftPart->getAvgColor());
return ($sub1 + $sub2) / 2 > 8;
}
/**
* @param Color $color1
* @param Color $color2
* @return int
*/
public static function compare($color1, $color2)
{
$weight = 0;
$weight += abs($color1->getRed() - $color2->getRed());
$weight += abs($color1->getGreen() - $color2->getGreen());
$weight += abs($color1->getBlue() - $color2->getBlue());
return $weight / 3;
// TODO: divide on 3
}