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AddMaskToRegion Method
See Also 
Leadtools Namespace > RasterImage Class : AddMaskToRegion Method




xform
RasterRegionXForm object that LEADTOOLS uses to translate between display coordinates and image coordinates.
maskImage
The 1-bit black-and-white RasterImage used as a mask.
combineMode
The action to take regarding the existing image region, if one is defined.
Creates or updates the image region by adding a region that consists of all the white pixels in a 1-bit mask image.

Syntax

Visual Basic (Declaration) 
Public Sub AddMaskToRegion( _
   ByVal xform As RasterRegionXForm, _
   ByVal maskImage As RasterImage, _
   ByVal combineMode As RasterRegionCombineMode _
) 
Visual Basic (Usage)Copy Code
Dim instance As RasterImage
Dim xform As RasterRegionXForm
Dim maskImage As RasterImage
Dim combineMode As RasterRegionCombineMode
 
instance.AddMaskToRegion(xform, maskImage, combineMode)
C# 
public void AddMaskToRegion( 
   RasterRegionXForm xform,
   RasterImage maskImage,
   RasterRegionCombineMode combineMode
)
Managed Extensions for C++ 
public: void AddMaskToRegion( 
   RasterRegionXForm* xform,
   RasterImage* maskImage,
   RasterRegionCombineMode combineMode
) 
C++/CLI 
public:
void AddMaskToRegion( 
   RasterRegionXForm^ xform,
   RasterImage^ maskImage,
   RasterRegionCombineMode combineMode
) 

Parameters

xform
RasterRegionXForm object that LEADTOOLS uses to translate between display coordinates and image coordinates.
maskImage
The 1-bit black-and-white RasterImage used as a mask.
combineMode
The action to take regarding the existing image region, if one is defined.

Example

For an example, refer to CreateMaskFromRegion.

Remarks

To update an existing region, you specify how the new region is to be combined with the existing one using the combineMode parameter. For more information, refer to RasterRegionCombineMode.

For more information, refer to Creating a Region.

For more information, refer to Saving A Region.

For more information, refer to Working with the Existing Region.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family

See Also