L_DlgHue

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgHue (hWndOwner, pDlgParams)

L_HWND hWndOwner;	/* owner of dialog */
LPHUEDLGPARAMS pDlgParams;	/* pointer to a structure */

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

Parameter	Description
hWndOwner	Handle of the window which owns the dialog.
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

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

See Also

Functions:	L_DlgInit, L_ChangeBitmapHue
Topics:	Dialogs: Color Manipulation
	Using Imaging Common Dialog

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;
} ;