LBitmapRgn::GetRgnBounds

Summary

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

Syntax

#include "ltwrappr.h"

virtual L_INT LBitmapRgn::GetRgnBounds(pRect)

Parameters

LPRECT pRect

Address of the RECT variable to updated with the bounding rectangle.

Returns

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

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Functions

Topics

Example

L_INT LBitmapRgn__GetRgnBoundsExample(HWND hWnd) 
{ 
   L_INT nRet; 
   L_SIZE_T     dwArea ; 
   LBitmapBase MyBitmap(200,300,ORDER_BGR); 
   RECT rc, Rect={10,10,350,400}; 
 
   nRet = MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp"))); 
   if(nRet !=SUCCESS) 
      return nRet; 
   LBitmapRgn Region(&MyBitmap); 
   //set the round rect as a region 
   nRet =Region.SetRgnRoundRect(&Rect,30,40); 
   if(nRet !=SUCCESS) 
      return nRet; 
   nRet =Region.GetRgnBounds(&rc); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   // Get the number of pixels in the region 
   nRet =Region.GetRgnArea( &dwArea); 
   if(nRet !=SUCCESS) 
      return nRet; 
 
   if (Region.BitmapHasRgn() == FALSE) 
      MessageBox(hWnd, TEXT("Bitmap has region"), TEXT("Region Error"), MB_OK); 
 
   return SUCCESS; 
}
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