/// <summary>Tries the get color contexts.</summary>
/// <param name="getColorContexts">The get color contexts.</param>
/// <param name="imagingFactory">The imaging factory.</param>
/// <param name="colorContexts">The color contexts.</param>
/// <returns>Result.</returns>
internal static Result TryGetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory, out ColorContext[] colorContexts)
{
colorContexts = null;
int count;
Result result = getColorContexts(0, null, out count);
if (result.Success)
{
colorContexts = new ColorContext[count];
if (count > 0)
{
// http://msdn.microsoft.com/en-us/library/windows/desktop/ee690135(v=vs.85).aspx
// The ppIColorContexts array must be filled with valid data: each IWICColorContext* in the array must
// have been created using IWICImagingFactory::CreateColorContext.
for (int i = 0; i < count; i++)
{
colorContexts[i] = new ColorContext(imagingFactory);
}
int actualCount;
getColorContexts(count, colorContexts, out actualCount);
Debug.Assert(count == actualCount);
}
}
return(result);
}
internal static ColorContext[] GetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory)
{
ColorContext[] colorContexts;
Result result = TryGetColorContexts(getColorContexts, imagingFactory, out colorContexts);
result.CheckError();
return colorContexts;
}
internal static Result TryGetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory, out ColorContext[] colorContexts)
{
colorContexts = null;
int count;
Result result = getColorContexts(0, null, out count);
if (result.Success)
{
colorContexts = new ColorContext[count];
if (count > 0)
{
// http://msdn.microsoft.com/en-us/library/windows/desktop/ee690135(v=vs.85).aspx
// The ppIColorContexts array must be filled with valid data: each IWICColorContext* in the array must
// have been created using IWICImagingFactory::CreateColorContext.
for (int i = 0; i < count; i++)
colorContexts[i] = new ColorContext(imagingFactory);
int actualCount;
getColorContexts(count, colorContexts, out actualCount);
Debug.Assert(count == actualCount);
}
}
return result;
}
/// <summary>Gets the color contexts.</summary>
/// <param name="getColorContexts">The get color contexts.</param>
/// <param name="imagingFactory">The imaging factory.</param>
/// <returns>ColorContext[][].</returns>
internal static ColorContext[] GetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory)
{
ColorContext[] colorContexts;
Result result = TryGetColorContexts(getColorContexts, imagingFactory, out colorContexts);
result.CheckError();
return(colorContexts);
}
internal static ColorContext[] TryGetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory)
{
ColorContext[] colorContexts;
Result result = TryGetColorContexts(getColorContexts, imagingFactory, out colorContexts);
if (ResultCode.UnsupportedOperation != result)
result.CheckError();
return colorContexts;
}
/// <summary>Tries the get color contexts.</summary>
/// <param name="getColorContexts">The get color contexts.</param>
/// <param name="imagingFactory">The imaging factory.</param>
/// <returns>ColorContext[][].</returns>
internal static ColorContext[] TryGetColorContexts(ColorContextsProvider getColorContexts, ImagingFactory imagingFactory)
{
ColorContext[] colorContexts;
Result result = TryGetColorContexts(getColorContexts, imagingFactory, out colorContexts);
if (ResultCode.UnsupportedOperation != result)
{
result.CheckError();
}
return(colorContexts);
}
