vendor/khanamiryan/qrcode-detector-decoder/lib/common/DefaultGridSampler.php

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<?php
/*
* Copyright 2007 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

namespace Zxing\Common;

use Zxing\NotFoundException;

/**
 * @author Sean Owen
 */
final class DefaultGridSampler extends GridSampler {

//@Override
    public function sampleGrid($image,
                               $dimensionX,
                               $dimensionY,
                               $p1ToX, $p1ToY,
                               $p2ToX, $p2ToY,
                               $p3ToX, $p3ToY,
                               $p4ToX, $p4ToY,
                               $p1FromX, $p1FromY,
                               $p2FromX, $p2FromY,
                               $p3FromX, $p3FromY,
                               $p4FromX, $p4FromY)  {

        $transform = PerspectiveTransform::quadrilateralToQuadrilateral(
            $p1ToX, $p1ToY, $p2ToX, $p2ToY, $p3ToX, $p3ToY, $p4ToX, $p4ToY,
            $p1FromX, $p1FromY, $p2FromX, $p2FromY, $p3FromX, $p3FromY, $p4FromX, $p4FromY);

        return $this->sampleGrid_($image, $dimensionX, $dimensionY, $transform);
    }

//@Override
    public function sampleGrid_($image,
                                $dimensionX,
                                $dimensionY,
                                $transform) {
        if ($dimensionX <= 0 || $dimensionY <= 0) {
            throw NotFoundException::getNotFoundInstance();
        }
        $bits = new BitMatrix($dimensionX, $dimensionY);
        $points = fill_array(0,2 * $dimensionX,0.0);
        for ($y = 0; $y < $dimensionY; $y++) {
            $max = count($points);
            $iValue = (float) $y + 0.5;
            for ($x = 0; $x < $max; $x += 2) {