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.

Platforms

Win32, x64.

See Also

Functions:

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_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; 
} 
Help Version 21.0.2020.8.25
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Raster Imaging C++ Class Library Help