vendor/khanamiryan/qrcode-detector-decoder/lib/BinaryBitmap.php

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<?php
/*
* Copyright 2009 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;

use Zxing\Common\BitArray;
use Zxing\Common\BitMatrix;


/**
 * This class is the core bitmap class used by ZXing to represent 1 bit data. Reader objects
 * accept a BinaryBitmap and attempt to decode it.
 *
 * @author dswitkin@google.com (Daniel Switkin)
 */
final class BinaryBitmap {

    private  $binarizer;
    private  $matrix;

    public function __construct($binarizer) {
        if ($binarizer == null) {
            throw new \InvalidArgumentException("Binarizer must be non-null.");
        }
        $this->binarizer = $binarizer;
    }

    /**
     * @return The width of the bitmap.
     */
    public function getWidth() {
        return $this->binarizer->getWidth();
    }

    /**
     * @return The height of the bitmap.
     */
    public function getHeight() {
        return $this->binarizer->getHeight();
    }

    /**
     * Converts one row of luminance data to 1 bit data. May actually do the conversion, or return
     * cached data. Callers should assume this method is expensive and call it as seldom as possible.
     * This method is intended for decoding 1D barcodes and may choose to apply sharpening.
     *