116 lines
4.2 KiB
C#
116 lines
4.2 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// 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 in
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// 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
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Runtime.InteropServices;
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namespace SharpDX.DirectInput
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{
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public partial class DeviceImageHeader
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="DeviceImageHeader"/> class.
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/// </summary>
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public DeviceImageHeader()
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{
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unsafe
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{
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Size = sizeof(__Native);
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SizeImageInfo = sizeof(DeviceImage.__Native);
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}
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}
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public DeviceImage[] Images { get; private set; }
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internal static __Native __NewNative()
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{
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unsafe
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{
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__Native temp = default(__Native);
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temp.Size = sizeof(__Native);
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temp.SizeImageInfo = sizeof(DeviceImage.__Native);
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return temp;
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}
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}
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// Internal native struct used for marshalling
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[StructLayout(LayoutKind.Sequential, Pack = 0)]
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internal partial struct __Native
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{
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public int Size;
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public int SizeImageInfo;
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public int ViewCount;
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public int ButtonCount;
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public int AxeCount;
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public int PovCount;
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public int BufferSize;
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public int BufferUsed;
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public System.IntPtr ImageInfoArrayPointer;
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}
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// Method to free native struct
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internal unsafe void __MarshalFree(ref __Native @ref)
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{
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}
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// Method to marshal from native to managed struct
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internal unsafe void __MarshalFrom(ref __Native @ref)
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{
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this.Size = @ref.Size;
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this.SizeImageInfo = @ref.SizeImageInfo;
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this.ViewCount = @ref.ViewCount;
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this.ButtonCount = @ref.ButtonCount;
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this.AxeCount = @ref.AxeCount;
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this.PovCount = @ref.PovCount;
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this.BufferSize = @ref.BufferSize;
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this.BufferUsed = @ref.BufferUsed;
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this.ImageInfoArrayPointer = @ref.ImageInfoArrayPointer;
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if (this.BufferSize > 0 && this.ImageInfoArrayPointer != IntPtr.Zero)
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{
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int nbImageInfoElements = BufferSize/ sizeof(DeviceImage.__Native);
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Images = new DeviceImage[nbImageInfoElements];
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var pImageInfo = (DeviceImage.__Native*)this.ImageInfoArrayPointer;
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for (int i = 0; i < Images.Length; i++)
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{
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var image = new DeviceImage();
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image.__MarshalFrom(ref *pImageInfo);
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pImageInfo++;
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}
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}
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}
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// Method to marshal from managed struct tot native
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internal unsafe void __MarshalTo(ref __Native @ref)
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{
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@ref.Size = this.Size;
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@ref.SizeImageInfo = this.SizeImageInfo;
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@ref.ViewCount = this.ViewCount;
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@ref.ButtonCount = this.ButtonCount;
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@ref.AxeCount = this.AxeCount;
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@ref.PovCount = this.PovCount;
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@ref.BufferSize = this.BufferSize;
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@ref.BufferUsed = this.BufferUsed;
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@ref.ImageInfoArrayPointer = this.ImageInfoArrayPointer;
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}
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}
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} |