/// <summary>
/// Initializes a new instance of <see cref="BlendTransform"/> class
/// </summary>
/// <param name="context">The effect context</param>
/// <param name="resourceId">A unique identifier to the resource</param>
/// <param name="resourceTextureProperties">The description of the resource</param>
/// <unmanaged>HRESULT ID2D1EffectContext::CreateResourceTexture([In, Optional] const GUID* resourceId,[In] const D2D1_RESOURCE_TEXTURE_PROPERTIES* resourceTextureProperties,[In, Buffer, Optional] const unsigned char* data,[In, Buffer, Optional] const unsigned int* strides,[In] unsigned int dataSize,[Out] ID2D1ResourceTexture** resourceTexture)</unmanaged>
public ResourceTexture(EffectContext context, System.Guid resourceId, SharpDX.Direct2D1.ResourceTextureProperties resourceTextureProperties) : base(IntPtr.Zero)
{
CreateResourceTexture(context, resourceId, resourceTextureProperties, null, null, this);
}
/// <summary>
/// Initializes a new instance of <see cref="BlendTransform"/> class
/// </summary>
/// <param name="context">The effect context</param>
/// <param name="resourceId">A unique identifier to the resource</param>
/// <param name="resourceTextureProperties">The description of the resource</param>
/// <param name="data">The data to be loaded into the resource texture.</param>
/// <param name="strides">Reference to the stride to advance through the resource texture, according to dimension.</param>
/// <unmanaged>HRESULT ID2D1EffectContext::CreateResourceTexture([In, Optional] const GUID* resourceId,[In] const D2D1_RESOURCE_TEXTURE_PROPERTIES* resourceTextureProperties,[In, Buffer, Optional] const unsigned char* data,[In, Buffer, Optional] const unsigned int* strides,[In] unsigned int dataSize,[Out] ID2D1ResourceTexture** resourceTexture)</unmanaged>
public ResourceTexture(EffectContext context, System.Guid resourceId, SharpDX.Direct2D1.ResourceTextureProperties resourceTextureProperties, byte[] data, int[] strides)
: base(IntPtr.Zero)
{
CreateResourceTexture(context, resourceId, resourceTextureProperties, data, strides, this);
}
private unsafe static void CreateResourceTexture(EffectContext context, System.Guid resourceId, SharpDX.Direct2D1.ResourceTextureProperties resourceTextureProperties, byte[] data, int[] strides, ResourceTexture outTexture)
{
var resourceTexturePropertiesNative = new ResourceTextureProperties.__Native();
resourceTextureProperties.__MarshalTo(ref resourceTexturePropertiesNative);
if (resourceTextureProperties.Extents == null || resourceTextureProperties.Extents.Length != resourceTextureProperties.Dimensions)
{
throw new ArgumentException("Extents array must be same size than dimensions", "resourceTextureProperties");
}
if (resourceTextureProperties.ExtendModes == null || resourceTextureProperties.ExtendModes.Length != resourceTextureProperties.Dimensions)
throw new ArgumentException("ExtendModes array must be same size than dimensions", "resourceTextureProperties");
fixed(void *pExtents = resourceTextureProperties.Extents)
{
fixed(void *pExtendModes = resourceTextureProperties.ExtendModes)
{
resourceTexturePropertiesNative.ExtentsPointer = (IntPtr)pExtents;
resourceTexturePropertiesNative.ExtendModesPointer = (IntPtr)pExtendModes;
context.CreateResourceTexture(resourceId, new IntPtr(&resourceTexturePropertiesNative), data, strides, data == null ? 0 : data.Length, outTexture);
}
}
}
