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Result.cs
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Result.cs
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/*
* 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.
*/
using System;
using System.Collections.Generic;
namespace ZXing
{
/// <summary>
/// Encapsulates the result of decoding a barcode within an image.
/// </summary>
public sealed class Result
{
/// <returns>raw text encoded by the barcode, if applicable, otherwise <code>null</code></returns>
public String Text { get; private set; }
/// <returns>raw bytes encoded by the barcode, if applicable, otherwise <code>null</code></returns>
public byte[] RawBytes { get; private set; }
/// <returns>
/// points related to the barcode in the image. These are typically points
/// identifying finder patterns or the corners of the barcode. The exact meaning is
/// specific to the type of barcode that was decoded.
/// </returns>
public ResultPoint[] ResultPoints { get; private set; }
/// <returns>{@link BarcodeFormat} representing the format of the barcode that was decoded</returns>
public BarcodeFormat BarcodeFormat { get; private set; }
/// <returns>
/// {@link Hashtable} mapping {@link ResultMetadataType} keys to values. May be
/// <code>null</code>. This contains optional metadata about what was detected about the barcode,
/// like orientation.
/// </returns>
public IDictionary<ResultMetadataType, object> ResultMetadata { get; private set; }
/// <summary>
/// Gets the timestamp.
/// </summary>
public long Timestamp { get; private set; }
/// <summary>
/// Initializes a new instance of the <see cref="Result"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="rawBytes">The raw bytes.</param>
/// <param name="resultPoints">The result points.</param>
/// <param name="format">The format.</param>
public Result(String text,
byte[] rawBytes,
ResultPoint[] resultPoints,
BarcodeFormat format)
: this(text, rawBytes, resultPoints, format, DateTime.Now.Ticks)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="Result"/> class.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="rawBytes">The raw bytes.</param>
/// <param name="resultPoints">The result points.</param>
/// <param name="format">The format.</param>
/// <param name="timestamp">The timestamp.</param>
public Result(String text, byte[] rawBytes, ResultPoint[] resultPoints, BarcodeFormat format, long timestamp)
{
if (text == null && rawBytes == null)
{
throw new ArgumentException("Text and bytes are null");
}
Text = text;
RawBytes = rawBytes;
ResultPoints = resultPoints;
BarcodeFormat = format;
ResultMetadata = null;
Timestamp = timestamp;
}
/// <summary>
/// Adds one metadata to the result
/// </summary>
/// <param name="type">The type.</param>
/// <param name="value">The value.</param>
public void putMetadata(ResultMetadataType type, Object value)
{
if (ResultMetadata == null)
{
ResultMetadata = new Dictionary<ResultMetadataType, object>();
}
ResultMetadata[type] = value;
}
/// <summary>
/// Adds a list of metadata to the result
/// </summary>
/// <param name="metadata">The metadata.</param>
public void putAllMetadata(IDictionary<ResultMetadataType, object> metadata)
{
if (metadata != null)
{
if (ResultMetadata == null)
{
ResultMetadata = metadata;
}
else
{
foreach (var entry in metadata)
ResultMetadata[entry.Key] = entry.Value;
}
}
}
/// <summary>
/// Adds the result points.
/// </summary>
/// <param name="newPoints">The new points.</param>
public void addResultPoints(ResultPoint[] newPoints)
{
var oldPoints = ResultPoints;
if (oldPoints == null)
{
ResultPoints = newPoints;
}
else if (newPoints != null && newPoints.Length > 0)
{
var allPoints = new ResultPoint[oldPoints.Length + newPoints.Length];
Array.Copy(oldPoints, 0, allPoints, 0, oldPoints.Length);
Array.Copy(newPoints, 0, allPoints, oldPoints.Length, newPoints.Length);
ResultPoints = allPoints;
}
}
/// <summary>
/// Returns a <see cref="System.String"/> that represents this instance.
/// </summary>
/// <returns>
/// A <see cref="System.String"/> that represents this instance.
/// </returns>
public override String ToString()
{
if (Text == null)
{
return "[" + RawBytes.Length + " bytes]";
}
return Text;
}
}
}