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Purpose
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Specifies the interlace mode for the next call to DF24getimage will use. |
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Return value
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Returns SUCCEED (or 0) if successful and FAIL (or -1) otherwise. |
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Description
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Regardless of what interlace scheme is used to store the image, DF24reqil causes the image to be loaded into memory and be interlaced according to the specification of il. |
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Because a call to DF24reqil may require a substantial reordering of the data, slower I/O performance could result than would be achieved if no change in interlace were requested. |
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The interlace mode codes are: 0 for pixel interlacing,1 for scan-line interlacing and 2 for scan-plane interlacing. |