agrobot_base/Exemplos/SharpDX-master/Source/SharpDX.Direct2D1/WIC/PixelFormatInfo.cs

48 lines
2.0 KiB
C#

// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
//
// 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 System;
namespace SharpDX.WIC
{
public partial class PixelFormatInfo
{
/// <summary>
/// Gets the channel mask.
/// </summary>
/// <param name="channelIndex">Index of the channel.</param>
/// <returns></returns>
/// <unmanaged>HRESULT IWICPixelFormatInfo::GetChannelMask([In] unsigned int uiChannelIndex,[In] unsigned int cbMaskBuffer,[In] void* pbMaskBuffer,[Out] unsigned int* pcbActual)</unmanaged>
public byte[] GetChannelMask(int channelIndex)
{
unsafe
{
int actualcount = 0;
GetChannelMask(channelIndex, actualcount, null, out actualcount);
if (actualcount == 0)
return new byte[0];
var temp = new byte[actualcount];
GetChannelMask(channelIndex, actualcount, temp, out actualcount);
return temp;
}
}
}
}