Data Translation 18729, User Manual

Page: 88 / 128

Programming Flowcharts
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Process the Acquired Image
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Read data
from frame
in device
memory?
No
Yes
Copy pixel data to a frame with
OlFgCopyFrameRect.
From/to
a rectangular
region in
frame?
No
Yes
From a
contiguous
location to a
user buffer?
No
Yes
Copy pixel data contiguously to a
user buffer with
OlFgReadContiguousPixels.
From a
rectangular
region to a
user buffer
?
No
Copy pixel data contiguously
to a user buffer with
OlFgReadFrameRect.
Yes
From any
location to a
user buffer?
No
Yes
Copy arbitrarily-specified pixel
data to a user buffer with
OlFgReadPixelList.
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