LBitmapRgn::CreateMaskFromBitmapRgn

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::CreateMaskFromBitmapRgn(pLBitmapMask, uStructSize)

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

Parameters

LBitmapBase * pLBitmapMask

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

L_UINT uStructSize

Size of BITMAPHANDLE structure in bytes. Use the sizeof() operator to calculate this value.

Returns

Value Meaning
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

Platforms

Win32, x64.

See Also

Functions

Topics

Example

For an example, refer to LBitmapRgn::SetRgnPolygon.

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