lFlags

Flags that indicate how to handle exposed areas and the type of conversion. You can use a bitwise OR (|) to specify one flag from each group.

The following are the flags that indicate how to handle exposed areas:

Value

Meaning

FILL_CLR

[0x0000] Fill any exposed areas with crFill.

FILL_RPT

[0x0001] Stretch the image edges to fill the exposed area.

FILL_NOCHG

[0x0002] Leave the exposed area as is, without changing it.

The following are the flags that indicate the conversion type:

Value

Meaning

CART_TO_POL

[0x0000] Convert the image from Cartesian (rectangular) coordinates to polar coordinates.

POL_TO_CART

[0x0010] Convert the image from polar coordinates to Cartesian (rectangular) coordinates.