Make a copy of the image read from a stream to prevent GDI errors.
Further changes to ensure the file handle is not held on the image and that animated gifs still work by loading them into a memory stream. Animated gifs are accessed as needed by GDI and if the full stream is not available it will not work. This is why the hold the file handle.
Add tooltips to the sliders so the value can be visualized.
Fix a bug that would not show the correct font name and size in the text effect.