LBitmapRgn::GetRgnBounds

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::GetRgnBounds(pRect)

LPRECT pRect;

/* address of the RECT structure to be updated */

Gets the bounding rectangle of the associated class object's bitmap region.

Parameter	Description
pRect	Address of the RECT variable to updated with the bounding rectangle.

Returns

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

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.

See Also

Elements:	LBitmapRgn::Offset, Class Members
Topics:	Raster Image Functions: Creating and Using a Region
	Raster Image Functions: Region Processing
	Defining and Using a Bitmap Region

Example

L_VOID  TestFunction(HWND hWnd)
{
   L_UINT32    dwArea ;
   LBitmapBase  MyBitmap(200,300,ORDER_BGR);
   RECT rc, Rect={10,10,350,400};
   MyBitmap.Load(TEXT("image1.cmp"));
   LBitmapRgn Region(&MyBitmap);

   Region.SetRgnRoundRect(&Rect,30,40); //set the round rect as a region
   Region.GetRgnBounds(&rc);

   // Get the number of pixels in the region
   Region.GetRgnArea( &dwArea);

   if (Region.BitmapHasRgn() == FALSE)
      MessageBox(hWnd, TEXT("Bitmap has region"), TEXT("Region Error"), MB_OK);
}