EncoderValue
ColorTypeCMYK = 0
ColorTypeYCCK = 1
CompressionLZW = 2
CompressionNone = 6
CompressionRle = 5
Flush = 20
FrameDimensionPage = 23
FrameDimensionTime = 21
LastFrame = 19
MultiFrame = 18
RenderNonProgressive = 12
RenderProgressive = 11
TransformRotate180 = 14
TransformRotate270 = 15
TransformRotate90 = 13
VersionGif87 = 9
VersionGif89 = 10