// portabledevice.h

typedef enum tagWPD_WHITE_BALANCE_SETTINGS {
  WPD_WHITE_BALANCE_UNDEFINED,
  WPD_WHITE_BALANCE_MANUAL,
  WPD_WHITE_BALANCE_AUTOMATIC,
  WPD_WHITE_BALANCE_ONE_PUSH_AUTOMATIC,
  WPD_WHITE_BALANCE_DAYLIGHT,
  WPD_WHITE_BALANCE_FLORESCENT,
  WPD_WHITE_BALANCE_TUNGSTEN,
  WPD_WHITE_BALANCE_FLASH
} WPD_WHITE_BALANCE_SETTINGS;
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Windows Driver Kit DDI reference (ne-portabledevice-tagwpd_white_balance_settings)

tagWPD_WHITE_BALANCE_SETTINGS enumeration

Description

The WPD_WHITE_BALANCE_SETTINGS enumeration type describes how a video or image device weights color channels to achieve a proper white balance.

Constants

`WPD_WHITE_BALANCE_UNDEFINED`

This value has not been defined.

`WPD_WHITE_BALANCE_MANUAL`

The white balance is set explicitly by using the WPD_STILL_IMAGE_RGB_GAIN property and will not change by itself.

`WPD_WHITE_BALANCE_AUTOMATIC`

The device will set the white balance.

`WPD_WHITE_BALANCE_ONE_PUSH_AUTOMATIC`

The device will set the white balance, but only when the user pushes the device's capture button while aiming the device at a white field.

`WPD_WHITE_BALANCE_DAYLIGHT`

The device will use white balance numbers appropriate for use in most daylight settings.

`WPD_WHITE_BALANCE_FLORESCENT`

`WPD_WHITE_BALANCE_TUNGSTEN`

The device will use white balance numbers appropriate for use in most indoor, incandescent lighting settings.

`WPD_WHITE_BALANCE_FLASH`

The device will use white balance numbers appropriate for use with a flash.

Remarks

This enumeration is used by the WPD_STILL_IMAGE_WHITE_BALANCE property.

WPD_WHITE_BALANCE_SETTINGS - NtDoc