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LDialogEffect::DoModalGetEffect

Summary

Displays the Get Effect dialog box, and gets the options for LPaintEffect::PaintBitmap.

Syntax

#include "ltwrappr.h"

virtual L_INT LDialogEffect::DoModalGetEffect ( hWndOwner)

Parameters

HWND hWndOwner

Handle of the window which owns the dialog.

Returns

Value	Meaning
SUCCESS_DLG_OK	The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL	The "Cancel" button was pressed, and the dialog exited successfully.
< 1	An error occurred. Refer to Return Codes.

Comments

LDialogEffect::SetEffectParams must be called before using this function to set the initial values for the dialog. You can get the updated EFFECTDLGPARAMS with the values entered by the user through the dialog by using LDialogEffect::GetEffectParams.

The Get Effect dialog.

Required DLLs and Libraries

LTDLGEFX
LTDLGFILE
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMG
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Example

L_INT LDialogEffect_DoModalGetEffectExample(LBitmap * pBitmap, HWND hWnd)  
{ 
   L_INT nRet; 
 
   LDialogEffect DlgEffect;  
 
   nRet = LDialogEffect::Initialize (0);  
   if(nRet != SUCCESS) 
      return nRet; 
 
   DlgEffect.SetBitmap (pBitmap);  
 
   EFFECTDLGPARAMS DlgParams;  
 
   memset ( &DlgParams, 0, sizeof ( EFFECTDLGPARAMS ) ) ;  
 
   DlgParams.uStructSize         = sizeof ( EFFECTDLGPARAMS ) ;  
   DlgParams.uEffect       = EFX_EFFECT_ROLL4_T_R_T_L ;       
   DlgParams.uGrain        = 5 ;        
   DlgParams.uDelay        = 50 ;        
   DlgParams.uMaxPass      = 1 ;      
   DlgParams.bTransparent  = FALSE ;  
   DlgParams.crTransparent = RGB(0,0,0) ;  
   DlgParams.uWandWidth    = 3 ;    
   DlgParams.crWand        = RGB(255,0,0) ;        
   DlgParams.uDlgFlags     = DLG_EFFECT_SHOW_PREVIEW     | 
                             DLG_EFFECT_DELAY            | 
                             DLG_EFFECT_GRAIN            | 
                             DLG_EFFECT_PASSES           | 
                             DLG_EFFECT_TRANSPARENT      | 
                             DLG_EFFECT_WAND             | 
                             DLG_EFFECT_CLASS_WIPE       | 
                             DLG_EFFECT_CLASS_WIPERECT   | 
                             DLG_EFFECT_CLASS_WIPECIRCLE | 
                             DLG_EFFECT_CLASS_PUSH       | 
                             DLG_EFFECT_CLASS_SLIDE      | 
                             DLG_EFFECT_CLASS_ROLL       | 
                             DLG_EFFECT_CLASS_ROTATE     | 
                             DLG_EFFECT_CLASS_ZOOM       | 
                             DLG_EFFECT_CLASS_DRIP       | 
                             DLG_EFFECT_CLASS_BLIND      | 
                             DLG_EFFECT_CLASS_RANDOM     | 
                             DLG_EFFECT_CLASS_CHECK      | 
                             DLG_EFFECT_CLASS_BLOCKS     | 
                             DLG_EFFECT_CLASS_CIRCLE     | 
                             DLG_EFFECT_CLASS_ELLIPSE ;  
 
   DlgEffect.EnableCallBack (FALSE);  
 
   nRet = DlgEffect.SetEffectParams (&DlgParams) ;  
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = DlgEffect.DoModalGetEffect(hWnd);  
   if(nRet < 1) 
      return nRet; 
 
   // Gets the updated values for the structure 
   nRet = DlgEffect.GetEffectParams (&DlgParams, sizeof(DlgParams)) ;  
   if(nRet != SUCCESS) 
      return nRet; 
 
   nRet = LDialogEffect::Free (); 
   if(nRet != SUCCESS) 
      return nRet; 
 
   return SUCCESS; 
}