LBitmapRgn::SetRgnFromMask

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::SetRgnFromMask(LBitmapMask)

Creates or updates the associated class object's bitmap region by adding a region that consists of all the white pixels in a 1-bit mask image.

Parameters

LBitmapBase& LBitmapMask

The 1-bit black-and-white bitmap object used as a mask.

Returns

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

Comments

To update an existing region, you specify how the new region is to be combined with the existing one. For descriptions of the possibilities, refer to Creating a Bitmap Region.

The LBitmapMask parameter is passed by reference and is a required parameter.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For an example, refer to LBitmapRgn::SetRgnPolygon.

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