getImType

val = getVideoType ( )

Use this function to retrieve the type of the incoming video.

Parameters

None

Return value

The type of the image. Can be one of the following values:

IM_GRAY or IM_GRAY8 – 8-bit grayscale image (256 levels)

IM_8BIT – 8-bit palettized image (256 colors)

IM_RGB16 – 16-bit high-color image (5-bit x 3 channels, 32768 colors)

IM_RGB24 or IM_RGB – 24-bit true-color image (8-bit x 3 channels, 16777216 colors)

IM_RGB32 – 32-bit true-color image (8-bit x 3 + alpha channel, 16777216 colors)

IM_RGB48 – 48-bit true-color image (16-bit x 3 channels, 281 trillion colors)

IM_GRAY16 – 16-bit grayscale image (65536 levels)

Error flags

ERR_OK

The flag set if successful.

ERR_FAILED

The flag set if failed.

Example

This set of statements retrieves the type of the video and checks whether it is a 16-bit grayscale image:

type=getVideoType (1)

if type=IM_GRAY16 THEN print "16-bit grayscale"