Elight.Utility/Files/DataMatrix/DmtxDecode.cs

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using System;
using System.Collections.Generic;

namespace DataMatrix.net
{
	// Token: 0x0200001C RID: 28
	internal class DmtxDecode
	{
        private byte[] _cache;
        private int _edgeMax;
        private int _edgeMin;
        private int _edgeThresh;
        private DmtxScanGrid _grid;
        private DmtxImage _image;
        private int _scale;
        private int _scanGap;
        private DmtxSymbolSize _sizeIdxExpected;
        private double _squareDevn;
        private int _xMax;
        private int _xMin;
        private int _yMax;
        private int _yMin;

        internal DmtxDecode(DmtxImage img, int scale)
        {
            int num = img.Width / scale;
            int num2 = img.Height / scale;
            this._edgeMin = DmtxConstants.DmtxUndefined;
            this._edgeMax = DmtxConstants.DmtxUndefined;
            this._scanGap = 1;
            this._squareDevn = Math.Cos(0.87266462599716477);
            this._sizeIdxExpected = DmtxSymbolSize.DmtxSymbolShapeAuto;
            this._edgeThresh = 10;
            this._xMin = 0;
            this._xMax = num - 1;
            this._yMin = 0;
            this._yMax = num2 - 1;
            this._scale = scale;
            this._cache = new byte[num * num2];
            this._image = img;
            this.ValidateSettingsAndInitScanGrid();
        }

        internal void CacheFillQuad(DmtxPixelLoc p0, DmtxPixelLoc p1, DmtxPixelLoc p2, DmtxPixelLoc p3)
        {
            int num2;
            int num3;
            DmtxBresLine[] lineArray = new DmtxBresLine[4];
            DmtxPixelLoc locInside = new DmtxPixelLoc
            {
                X = 0,
                Y = 0
            };
            lineArray[0] = new DmtxBresLine(p0, p1, locInside);
            lineArray[1] = new DmtxBresLine(p1, p2, locInside);
            lineArray[2] = new DmtxBresLine(p2, p3, locInside);
            lineArray[3] = new DmtxBresLine(p3, p0, locInside);
            int x = this._yMax;
            int num5 = 0;
            x = DmtxCommon.Min<int>(x, p0.Y);