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Specifies the pixel bit depths for the Current value of ICAP_PIXELTYPE. For example; ICAP_PIXELTYPE TWPT_GRAY, this capability specifies whether this is 4-bit gray or 8- bit gray
ICAP_PIXELTYPE TWPT_RGB, this capability specifies whether this is 24-bit color or 48-bit color
This depth applies to the total of all the data channels. TW_IMAGEINFO BitsPerSample is used to identify the number of bits in each channel.
The application should loop through all the ICAP_PIXELTYPEs it is interested in and negotiate the ICAP_BITDEPTH(s) for each.
For all allowed settings of ICAP_PIXELTYPE
Set ICAP_PIXELTYPE
Set ICAP_BITDEPTH for the current ICAP_PIXELTYPE
If the bit depth in a MSG_SET is not supported for the current ICAP_PIXELTYPE setting, return TWRC_FAILURE / TWCC_BADVALUE.
Type: TW_UINT
Value after MSG_OPENDS: (may be remembered from a previous session)
After MSG_RESET/MSG_RESETALL: (dependent on ICAP_PIXELTYPE)
Allowed Values: >=1
MSG_GET TW_ONEVALUE TW_ENUMERATION
MSG_GETCURRENT TW_ONEVALUE
MSG_GETDEFAULT TW_ONEVALUE
MSG_SET TW_ONEVALUE
MSG_SETCONSTRAINT TW_ONEVALUE
TW_ENUMERATION
MSG_RESET TW_ONEVALUE
MSG_QUERYSUPPORT TW_ONEVALUE
All Image Sources
Version 1.0
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