LBitmapRgn::CreateMaskFromBitmapRgn

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::CreateMaskFromBitmapRgn(pLBitmapMask)

/* pointer to an LBitmapBase object */

Creates a 1-bit mask image from the region in the associated :LBitmapBase class object's bitmap.

Parameter	Description
pLBitmapMask	Pointer to an LBitmapBase object that will be updated with the mask bitmap.

Returns

SUCCESS	The function was successful.
< 1	An error occurred. Refer to Return Codes.

Comments

A bitmap region is an area of interest within a bitmap. A bitmap can have only one region at a time, but the region can be complex, including, for example, multiple noncontiguous shapes. For more information, refer to Creating a Bitmap Region.

Required DLLs and Libraries

LTDIS

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.

See Also

Elements:	LBitmapBase::CreateAlphaBitmap, LBitmapBase::SetAlpha, LBitmapRgn::SetRgnFromMask, Class Members
Topics:	Defining and Using a Bitmap Region
	Implementing Transparency
	Saving a Region

Example

For an example, refer to LBitmapRgn::SetRgnPolygon.