Offsets the paint-clipping region of the device context (DC) and the bitmap.
#include "Ltwrappr.h"
L_INT LRasterPaint::OffsetClipRgn(nDX, nDY)
The offset in the horizontal direction.
The offset in the vertical direction.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes |
The toolkit will perform the necessary transformations to the offset values using the current painting transformation set by calling LRasterPaint::SetTransformation function. Therefore, the user should provide the offset values without any transformations.
L_INT LRasterPaint_OffsetClipRgnExample( LRasterPaint* pRstp )
{
L_INT nRet;
HRGN hRgn ;
/* create some region */
hRgn = CreateRectRgn ( 0, 0, 100, 100 ) ;
/* set the painting tools new DC clip region */
nRet = pRstp->SetClipRgn ( hRgn ) ;
if(nRet != SUCCESS)
return nRet;
/* offset the current painting tools clipping region */
/* using the current transformatoin settings */
nRet = pRstp->OffsetClipRgn ( 10, 10 ) ;
if(nRet != SUCCESS)
return nRet;
/* delete the regions */
DeleteObject ( ( HRGN ) hRgn ) ;
return SUCCESS;
}