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Initial move from old twain-in-dotnet.

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soukoku
2014-04-02 19:01:21 -04:00
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NTwain/Triplets/DGImage/DGImage.Palette8.cs Normal file
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// The MIT License (MIT)
// Copyright (c) 2013 Yin-Chun Wang
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using NTwain.Data;
using NTwain.Values;
using System;
namespace NTwain.Triplets
{
public sealed class Palette8 : OpBase
{
internal Palette8(TwainSession session) : base(session) { }
/// <summary>
/// This operation causes the Source to report its current palette information.
/// </summary>
/// <param name="palette">The palette.</param>
/// <returns></returns>
public ReturnCode Get(out TWPalette8 palette)
{
Session.VerifyState(4, 6, DataGroups.Image, DataArgumentType.Palette8, Message.Get);
palette = new TWPalette8();
return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.Get, palette);
}
/// <summary>
/// This operation causes the Source to report its power-on default palette.
/// </summary>
/// <param name="palette">The palette.</param>
/// <returns></returns>
public ReturnCode GetDefault(out TWPalette8 palette)
{
Session.VerifyState(4, 6, DataGroups.Image, DataArgumentType.Palette8, Message.GetDefault);
palette = new TWPalette8();
return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.GetDefault, palette);
}
/// <summary>
/// This operation causes the Source to dispose of any current palette it has and to use its default
/// palette for the next palette transfer.
/// </summary>
/// <param name="palette">The palette.</param>
/// <returns></returns>
public ReturnCode Reset(out TWPalette8 palette)
{
Session.VerifyState(4, 4, DataGroups.Image, DataArgumentType.Palette8, Message.Reset);
palette = new TWPalette8();
return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.Reset, palette);
}
/// <summary>
/// This operation requests that the Source adopt the specified palette for use with all subsequent
/// palette transfers. The application should be careful to supply a palette that matches the bit
/// depth of the Source. The Source is not required to adopt this palette. The application should be
/// careful to check the return value from this operation.
/// </summary>
/// <param name="palette">The palette.</param>
/// <returns></returns>
public ReturnCode Set(TWPalette8 palette)
{
Session.VerifyState(4, 4, DataGroups.Image, DataArgumentType.Palette8, Message.Set);
return PInvoke.DsmEntry(Session.AppId, Session.SourceId, Message.Set, palette);
}
}
}