LBitmapRgn::Offset

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::Offset(nRowOffset, nColOffset)

L_INT nRowOffset;

number of rows to move the region

L_INT nColOffset;

number of columns to move the region

Moves the associated class object's bitmap region by the specified number of rows and columns. The move does not affect the pixels in the region.

Parameter

Description

nRowOffset

The number of rows to move the region.

nColOffset

The number of columns to move the region.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

This function uses bitmap coordinates to specify the region. Therefore, you must account for the view perspective of the bitmap. For more information, refer to Accounting for View Perspective.

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.

See Also

Functions:

LBitmapRgn::GetRgnBounds, Class Members

Topics:

Raster Image Functions: Creating and Using a Region

 

Raster Image Functions: Region Processing

 

Defining and Using a Bitmap Region

Example

L_INT LBitmapRgn__OffsetExample() 
{ 
   L_INT nRet = FAILURE ; 
   RECT Rect={10,10,50,200}; 
 
   LBitmapBase MyBitmap(200,300,ORDER_BGR); 
   LBitmapRgn Region(&MyBitmap); 
 
   nRet =Region.SetRgnRect(&Rect); 
 
   if(Region.BitmapHasRgn()) 
      nRet = Region.Offset(20,40); 
 
   return nRet; 
 
   //… 
} 
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