/// <summary>
/// Renders the Filter Factory output to the destination surface.
/// </summary>
/// <param name="handle">The filter environment handle.</param>
/// <param name="rois">The array of rectangles to render.</param>
/// <param name="startIndex">The starting index in the rectangle array.</param>
/// <param name="length">The number of rectangles to render.</param>
/// <param name="dstSurface">The destination surface.</param>
public static unsafe void Render(SafeEnvironmentDataHandle handle, Rectangle[] rois, int startIndex, int length, Surface dstSurface)
{
if (length == 0)
{
return;
}
BitmapData bitmap = new BitmapData
{
width = dstSurface.Width,
height = dstSurface.Height,
stride = dstSurface.Stride,
pixelSize = ColorBgra.SizeOf,
scan0 = dstSurface.Scan0.Pointer
};
fixed(Rectangle *rectanglePointer = &rois[startIndex])
{
if (IntPtr.Size == 8)
{
ffeval64.Render(handle, rectanglePointer, length, ref bitmap);
}
else
{
ffeval32.Render(handle, rectanglePointer, length, ref bitmap);
}
}
}
public void Dispose()
{
if (environmentDataHandle != null)
{
environmentDataHandle.Dispose();
environmentDataHandle = null;
}
}
/// <summary>
/// Sets the Filter source code and Control values
/// </summary>
public void SetupFilterData(Surface srcSurface, int[] control_values, string[] source)
{
if (environmentDataHandle != null)
{
environmentDataHandle.Dispose();
environmentDataHandle = null;
}
environmentDataHandle = ffparse.CreateEnvironmentData(srcSurface, source, control_values);
}
public static extern unsafe void Render(SafeEnvironmentDataHandle handle, Rectangle *rois, int length, [In] ref BitmapData data);
