Help Version 19.0.2017.10.27
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#include "ltwrappr.h"
virtual L_INT LBitmapRgn::SetRgnFromMask(LBitmapMask)
LBitmapBase& LBitmapMask; |
the LBitmapBase object to be used as a mask |
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.
Parameter |
Description |
LBitmapMask |
The 1-bit black-and-white bitmap object used as a mask. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
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
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. |
Platforms
Win32, x64.
Functions: |
LBitmapBase::CreateAlphaBitmap, LBitmapBase::SetAlpha, LBitmapRgn::CreateMaskFromBitmapRgn, LBitmapRgn::SetRgnColorHSVRange, LBitmapRgn::SetRgnColorRGBRange, Class Members |
Topics: |
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For an example, refer to LBitmapRgn::SetRgnPolygon.
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