flip

flip ( integer Input, integer Output [, integer Mode =0 ] )

Use this function to reverse an image horizontally or vertically.

Parameters

Input

An integer between 0 and 116 specifying the input image frame number. A value of 0 represents the DMA memory buffer of the video device. Values in the range of 100-116 correspond to hidden frames.

Output

An integer between 1 and 116 specifying the output image frame number. Values in the range of 100-116 correspond to hidden frames.

Mode

An optional enumerated integer that describes the flipping mode to use. Must be one of the following values:

M_HORZ=0 – reverse the input image horizontally.

M_VERT=1 – reverse the input image vertically.

Default value: M_HORZ

Error flags

ERR_OK

The flag set if successful.

ERR_FAILED

The flag set if failed.

Example

This set of statements will continuously grab an image and display it in a frame #1 in the horizontally reversed position:

do

grabim (0)

flip (0, 1)

loop while getError()=ERR_OK