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https://gitee.com/akwkevin/aistudio.-wpf.-diagram
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114 lines
3.7 KiB
C#
114 lines
3.7 KiB
C#
/*
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* Copyright 2012 ZXing.Net 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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using System;
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using ZXing.Common;
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using ZXing.Rendering;
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namespace ZXing
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{
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/// <summary>
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/// A base class for specific barcode writers with specific formats of barcode images.
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/// </summary>
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/// <typeparam name="TOutput">The type of the output.</typeparam>
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public class BarcodeWriterGeneric<TOutput> : IBarcodeWriterGeneric<TOutput>
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{
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private EncodingOptions options;
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/// <summary>
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/// Gets or sets the barcode format.
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/// The value is only suitable if the MultiFormatWriter is used.
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/// </summary>
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public BarcodeFormat Format { get; set; }
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/// <summary>
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/// Gets or sets the options container for the encoding and renderer process.
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/// </summary>
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public EncodingOptions Options
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{
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get
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{
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return (options ?? (options = new EncodingOptions { Height = 100, Width = 100 }));
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}
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set
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{
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options = value;
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}
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}
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/// <summary>
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/// Gets or sets the writer which encodes the content to a BitMatrix.
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/// If no value is set the MultiFormatWriter is used.
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/// </summary>
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public Writer Encoder { get; set; }
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/// <summary>
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/// Gets or sets the renderer which should be used to render the encoded BitMatrix.
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/// </summary>
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public IBarcodeRenderer<TOutput> Renderer { get; set; }
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/// <summary>
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/// Encodes the specified contents and returns a BitMatrix array.
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/// That array has to be rendered manually or with a IBarcodeRenderer.
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/// </summary>
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/// <param name="contents">The contents.</param>
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/// <returns></returns>
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public BitMatrix Encode(string contents)
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{
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var encoder = Encoder ?? new MultiFormatWriter();
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var currentOptions = Options;
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return encoder.encode(contents, Format, currentOptions.Width, currentOptions.Height, currentOptions.Hints);
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}
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/// <summary>
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/// Encodes the specified contents and returns a rendered instance of the barcode.
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/// For rendering the instance of the property Renderer is used and has to be set before
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/// calling that method.
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/// </summary>
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/// <param name="contents">The contents.</param>
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/// <returns></returns>
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public TOutput Write(string contents)
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{
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if (Renderer == null)
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{
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throw new InvalidOperationException("You have to set a renderer instance.");
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}
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var matrix = Encode(contents);
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return Renderer.Render(matrix, Format, contents, Options);
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}
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/// <summary>
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/// Returns a rendered instance of the barcode which is given by a BitMatrix.
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/// For rendering the instance of the property Renderer is used and has to be set before
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/// calling that method.
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/// </summary>
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/// <param name="matrix">The matrix.</param>
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/// <returns></returns>
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public TOutput Write(BitMatrix matrix)
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{
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if (Renderer == null)
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{
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throw new InvalidOperationException("You have to set a renderer instance.");
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}
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return Renderer.Render(matrix, Format, null, Options);
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}
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}
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}
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