LPaintEffect::PaintRgnDCEffect
#include "ltwrappr.h"
virtual L_INT LPaintEffect::PaintRgnDCEffect(uEffect=EFX_EFFECT_NONE, uROP3=SRCCOPY)
L_UINT uEffect; |
/* effect to apply when painting */ |
L_UINT32 uROP3; |
/* Windows ROP code for display */ |
Applies an effect when painting the class object's associated bitmap to the class object's associated device context.
Parameter |
Description |
uEffect |
Effect to apply when painting. For valid values, refer to Effect Types. |
uROP3 |
The Windows ROP code that determines how the destination rectangle is updated. This parameter takes the same codes as the Windows BitBlt function. For ordinary painting, use SRCCOPY. |
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. |
See Also
Functions: |
|
Topics: |
Example
L_INT LPaintEffect__PaintRgnDCEffectExample(HWND hWnd) { L_INT nRet; LBitmapBase LeadBitmap; LBitmapRgn LeadRegion; LPaintEffect LeadPaintEffect ; HDC hDC ; RECT Rect ; nRet = LeadBitmap.Load(TEXT("C:\\Program Files\\LEAD Technologies, Inc\\LEADTOOLS 15.0\\Images\\image1.cmp")) ; if(nRet != SUCCESS) return nRet; Rect.left = 10 ; Rect.top = 10 ; Rect.right = 50 ; Rect.bottom = 50 ; LeadRegion.SetBitmap(&LeadBitmap) ; nRet = LeadRegion.SetRgnRect(&Rect); if(nRet != SUCCESS) return nRet; hDC = GetDC(hWnd); LeadPaintEffect.SetBitmap(&LeadBitmap) ; LeadPaintEffect.SetDC(hDC) ; nRet = LeadPaintEffect.PaintRgnDCEffect(EFX_EFFECT_WIPE_L_TO_R) ; if(nRet != SUCCESS) return nRet; LeadPaintEffect.SetDC(0) ; ReleaseDC(hWnd,hDC) ; return SUCCESS; }