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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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97 lines
3.3 KiB
C#
97 lines
3.3 KiB
C#
/*
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* Copyright 2013 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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namespace ZXing.PDF417.Internal
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{
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/// <summary>
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/// A Codeword in the PDF417 barcode
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/// </summary>
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/// <author>Guenther Grau</author>
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public sealed class Codeword
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{
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/// <summary>
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/// Default value for the RowNumber (-1 being an invalid real number)
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/// </summary>
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private static readonly int BARCODE_ROW_UNKNOWN = -1;
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public int StartX { get; private set; }
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public int EndX { get; private set; }
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public int Bucket { get; private set; }
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public int Value { get; private set; }
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public int RowNumber { get; set; }
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/// <summary>
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/// Initializes a new instance of the <see cref="ZXing.PDF417.Internal.Codeword"/> class.
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/// </summary>
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/// <param name="startX">Start x.</param>
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/// <param name="endX">End x.</param>
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/// <param name="bucket">Bucket.</param>
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/// <param name="value">Value.</param>
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public Codeword(int startX, int endX, int bucket, int value)
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{
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this.StartX = startX;
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this.EndX = endX;
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this.Bucket = bucket;
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this.Value = value;
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this.RowNumber = BARCODE_ROW_UNKNOWN;
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}
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/// <summary>
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/// Gets the width.
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/// </summary>
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/// <value>The width.</value>
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public int Width
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{
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get { return EndX - StartX; }
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}
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/// <summary>
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/// Gets a value indicating whether this instance has valid row number.
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/// </summary>
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/// <value><c>true</c> if this instance has valid row number; otherwise, <c>false</c>.</value>
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public bool HasValidRowNumber
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{
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get { return IsValidRowNumber(RowNumber); }
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}
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/// <summary>
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/// Determines whether this instance is valid row number the specified rowNumber.
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/// </summary>
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/// <returns><c>true</c> if this instance is valid row number the specified rowNumber; otherwise, <c>false</c>.</returns>
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/// <param name="rowNumber">Row number.</param>
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public bool IsValidRowNumber(int rowNumber)
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{
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return rowNumber != BARCODE_ROW_UNKNOWN && Bucket == (rowNumber%3)*3;
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}
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/// <summary>
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/// Sets the row number as the row's indicator column.
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/// </summary>
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public void setRowNumberAsRowIndicatorColumn()
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{
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this.RowNumber = (Value/30)*3 + Bucket/3;
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}
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/// <summary>
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/// Returns a <see cref="System.String"/> that represents the current <see cref="ZXing.PDF417.Internal.Codeword"/>.
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/// </summary>
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/// <returns>A <see cref="System.String"/> that represents the current <see cref="ZXing.PDF417.Internal.Codeword"/>.</returns>
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public override string ToString()
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{
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return RowNumber + "|" + Value;
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}
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}
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} |
