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L_DlgBrightness

Summary

Displays the Brightness dialog box, and gets the options for L_ChangeBitmapIntensity.

Syntax

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgBrightness(hWndOwner, pDlgParams)

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPBRIGHTNESSDLGPARAMS pDlgParams

Pointer to a BRIGHTNESSDLGPARAMS structure to be updated with the values entered by the user through the dialog. Set members of this structure, before calling this function, to set the dialogs initial values.

Comments

The Brightness 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.

Required DLLs and Libraries

LTDLGCLR
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMGUTL
LTIMGCLR
LTKRN
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 ShowDlgBrightnessExample(HWND            hWnd, 
                                                  pBITMAPHANDLE   pBitmap) 
{ 
   L_INT nRet; 
   BRIGHTNESSDLGPARAMS DlgParams ; 
 
   memset ( &DlgParams, 0, sizeof ( BRIGHTNESSDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize   = sizeof ( BRIGHTNESSDLGPARAMS ) ; 
   DlgParams.pBitmap       = pBitmap ; 
   DlgParams.uDlgFlags     = DLG_BRIGHTNESS_SHOW_PREVIEW | 
                             DLG_BRIGHTNESS_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgBrightness ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree() ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
};