Help Version 19.0.2017.10.27
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#include "Ltwrappr.h"
L_INT LRsterPaint::OffsetClipRgn(nDX, nDY)
L_INT nDX; |
horizontal offset |
L_INT nDY; |
vertical offset |
Offsets the paint-clipping region of the device context (DC) and the bitmap.
Parameter |
Description |
nDX |
The offset in the horizontal direction. |
nDY |
The offset in the vertical direction. |
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.
Required DLLs and Libraries
LTPNT For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
Functions: |
LrasterPaint::SetClipRgn, LRasterPaint::GetClipRgn, LRasterPaint::SetTransformation, LRasterPaint::GetTransformation, Class Members |
Topics: |
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;}