L_DlgHue

#include "l_bitmap.h"

L_INT EXT_FUNCTION L_DlgHue (hWndOwner, pDlgParams)

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 dialog’s 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 can be seen below:

$image\Hue.gif$

Required DLLs and Libraries

LTDLGCLR
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMG
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_VOID ShowDialog ( HWND hWnd, pBITMAPHANDLE pBitmap )
{
   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;

   L_DlgInit(0);
   L_DlgHue(hWnd, &DlgParams ) ;
   L_DlgFree() ;
} ;