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56 lines
2.3 KiB
C#
56 lines
2.3 KiB
C#
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// The MIT License (MIT)
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// Copyright (c) 2013 Yin-Chun Wang
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using NTwain.Data;
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using NTwain.Values;
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using System;
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namespace NTwain.Triplets
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{
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public sealed class GrayResponse : OpBase
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{
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internal GrayResponse(TwainSession session) : base(session) { }
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/// <summary>
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/// The Reset operation causes the Source to use its "identity response curve." The identity
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/// curve causes no change in the values of the captured data when it is applied.
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/// </summary>
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/// <param name="response">The response.</param>
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/// <returns></returns>
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public ReturnCode Reset(out TWGrayResponse response)
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{
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Session.VerifyState(4, 4, DataGroups.Image, DataArgumentType.GrayResponse, Message.Reset);
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response = new TWGrayResponse();
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return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.Reset, response);
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}
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/// <summary>
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/// This operation causes the Source to transform any grayscale data according to the response
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/// curve specified.
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/// </summary>
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/// <param name="response">The response.</param>
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/// <returns></returns>
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public ReturnCode Set(TWGrayResponse response)
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{
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Session.VerifyState(4, 4, DataGroups.Image, DataArgumentType.GrayResponse, Message.Set);
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return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.Set, response);
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}
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}
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}
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