#include "ltwrappr.h"
virtual L_INT LBitmapRgn::SetRgnRect(pRect)
LPRECT pRect; |
pointer to the windows RECT structure |
Creates or updates the associated class object's bitmap region by adding a rectangular region.
Parameter |
Description |
pRect |
Pointer to the windows RECT structure that specifies the rectangular region. You specify the structure using device context coordinates, and LEADTOOLS translates the coordinates using the values set using LBitmapRgn::SetRgnXForm. |
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
To update an existing region, you specify how the new region is to be combined with the existing one. For descriptions of the possibilities, refer to Creating a Bitmap Region.
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.
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LBitmapRgn__SetRgnRectExample()
{
L_INT nRet;
LBitmapBase MyBitmap;
RECT Rect={10,10,50,200};
nRet = MyBitmap.Load(MAKE_IMAGE_PATH(TEXT("image1.cmp")));
if(nRet !=SUCCESS)
return nRet;
LBitmapRgn Region(&MyBitmap);
nRet =Region.SetRgnRect(&Rect);
if(nRet !=SUCCESS)
return nRet;
//set the rect as a region
//…
return SUCCESS;
}
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