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L_DlgHue

Summary

Displays the Hue dialog box, and gets the options for L_ChangeBitmapHue.

Syntax

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgHue (hWndOwner, pDlgParams)

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPHUEDLGPARAMS pDlgParams

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

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

The Hue dialog.

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 ShowDlgHueExample(HWND hWnd,pBITMAPHANDLE pBitmap) 
{ 
   L_INT nRet; 
   HUEDLGPARAMS DlgParams ; 
 
   memset ( &DlgParams, 0, sizeof ( HUEDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize = sizeof ( HUEDLGPARAMS ) ; 
   DlgParams.pBitmap     = pBitmap ; 
   DlgParams.uDlgFlags   = DLG_HUE_SHOW_PREVIEW       | 
                           DLG_HUE_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgHue(hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree() ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} ;