LDialogBase::SetFont

#include "ltwrappr.h"

static HFONT LDialogBase::SetFont(hFont)

HFONT hFont;

/* handle to the selected font */

Sets the font for the LEADTOOLS Common Dialogs.

Parameter	Description
hFont	Handle to the selected font.

Returns

!NULL	The previous font.
NULL	An error occurred.

Comments

The default font is your system’s default font.

Call this function with hFont set to NULL to use the default system font.

The hFont parameter will not be copied. You must insure that the hFont remains valid until it is no longer needed.

Required DLLs and Libraries

LTDLGKRN

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:	LDialogBase::GetString, LDialogBase::SetString, LDialogBase::SetFont, Class Members
Topics:	Using Imaging Common Dialog

Example

class CMyColorDlg : public LDialogColor
{
public:
   L_VOID DlgHelpCallBack(L_UINT32 uFlag, L_INT nCtlID );
};

L_VOID  CMyColorDlg::DlgHelpCallBack(L_UINT32 uFlag, L_INT nCtlID )
{
   switch ( uFlag )
   {
   case DLG_HELP_SOLARIZE:
      {
         switch (nCtlID )
         {
         case DLG_SOLARIZE_IDSTR_CAPTION:
         case DLG_SOLARIZE_IDSTR_THRESHOLD:
            {
               MessageBox ( NULL,
                            TEXT("Help with Solarize!"),
                            TEXT("Help"),
                            MB_OK ) ;

               break ;
            }
         }

         break ;
      }
   }
}

void TestFunction(LBitmap * pBitmap, HWND hWnd)
{
   L_UINT         uLen ;
   HFONT          hMyFont = NULL ;
   L_TCHAR L_FAR*  pszString = NULL ;
   L_TCHAR         szNewCaption [] = TEXT("My New Solarize Caption");

   HDC m_pDC = GetDC ( hWnd);
   hMyFont = CreateFont ( - MulDiv ( 8, GetDeviceCaps ( m_pDC, LOGPIXELSY ), 72 ),
                          0,
                          0,
                          0,
                          FW_BOLD,
                          FALSE,
                          FALSE,
                          FALSE,
                          DEFAULT_CHARSET,
                          OUT_DEFAULT_PRECIS,
                          CLIP_DEFAULT_PRECIS,
                          DEFAULT_QUALITY,
                          DEFAULT_PITCH,
                          TEXT("Bones")) ;
   CMyColorDlg::SetFont ( hMyFont ) ;
   CMyColorDlg::GetStringLen ( DLG_SOLARIZE_IDSTR_CAPTION, &uLen ) ;
   // sdd 1, for the terminating NULL
   pszString = ( L_TCHAR L_FAR* ) GlobalAlloc ( GMEM_FIXED,
                                               ( uLen * sizeof ( L_TCHAR ) + 1 ) ) ;

   CMyColorDlg::GetString( DLG_SOLARIZE_IDSTR_CAPTION, pszString ) ;

   // display default caption string
   MessageBox ( hWnd,pszString, TEXT("Default"), MB_OK ) ;

   GlobalFree ( pszString ) ;

   // change caption string
   CMyColorDlg::SetString ( DLG_SOLARIZE_IDSTR_CAPTION, szNewCaption ) ;

   // now, display the dialog to see our changes
   {
      CMyColorDlg ColorDlg;
      SOLARIZEDLGPARAMS DlgParams ;
      ColorDlg.SetBitmap (pBitmap);

      memset ( &DlgParams, 0, sizeof ( SOLARIZEDLGPARAMS ) ) ;

      DlgParams.uStructSize           = sizeof ( SOLARIZEDLGPARAMS ) ;
      DlgParams.uDlgFlags       = DLG_SOLARIZE_SHOW_CONTEXTHELP;

      ColorDlg.EnableCallBack(FALSE);
      ColorDlg.EnablePreview (TRUE);
      ColorDlg.EnableAutoProcess (TRUE);
      ColorDlg.EnableToolbar (TRUE);
      ColorDlg.SetSolarizeParams (&DlgParams) ;
      ColorDlg.DoModalSolarize (hWnd);
       pBitmap->SetHandle(ColorDlg.GetBitmap()->GetHandle());
   }

   LDialogColor::SetFont( NULL ) ;

   DeleteObject ( hMyFont ) ;

   ReleaseDC (hWnd, m_pDC ) ;

}