LBitmapRgn::SetRgnRect
#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. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
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. |
See Also
Example
L_INT LBitmapRgn__SetRgnRectExample() { L_INT nRet; LBitmapBase MyBitmap(200,300,ORDER_BGR); RECT Rect={10,10,50,200}; nRet =MyBitmap.Load(TEXT("C:\\Program Files\\LEAD Technologies, Inc\\LEADTOOLS 15.0\\Images\\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; }