L_DlgJPEGWebTuner

#include "l_bitmap.h"

L_INT EXT_FUNCTION L_DlgJPEGWebTuner(hWndOwner, pDlgParams)

HWND hWndOwner;	/* owner of dialog */
LPJPEGWEBTUNERDLGPARAMS pDlgParams;	/* pointer to a structure */

Displays the JPEG Web Tuner dialog box, and gets the tuning options used by L_SaveBitmap.

Parameter	Description
hWndOwner	Handle of the window, which owns the dialog.
pDlgParams	Pointer to a JPEGWEBTUNERDLGPARAMS 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 dialog’s initial values.

Comments

The JPEG Web Tuner dialog can be seen below:

$image\JPEGWebTuner.gif$

Returns

SUCCESS_DLG_OK	The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CLOSE	The "Close" 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

LTDLGWEB
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_SaveBitmap, L_DlgGIFWebTuner, L_DlgPNGWebTuner
Topics:	Dialogs: HTML/Web
	Using Imaging Common Dialog

Example

Example 1:

L_VOID ShowDialog ( HWND hWnd, pBITMAPHANDLE pBitmap )
{
   JPEGWEBTUNERDLGPARAMS DlgParams ;

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

   DlgParams.uStructSize      = sizeof ( JPEGWEBTUNERDLGPARAMS ) ;
   DlgParams.pBitmap    = pBitmap ;
   DlgParams.uDlgFlags  = DLG_JPEGWEBTUNER_SHOW_EXPORT |
                          DLG_JPEGWEBTUNER_SHOW_INFORMATION |
                          DLG_JPEGWEBTUNER_SHOW_PREVIEW |
                          DLG_JPEGWEBTUNER_SHOW_TOOL_ZOOMLEVEL |
                          DLG_JPEGWEBTUNER_SHOW_SAVETHUMBNAIL |
                          DLG_JPEGWEBTUNER_SHOW_OPTIONS |
                          DLG_JPEGWEBTUNER_SHOW_SAVETHUMBNAIL ;

   L_DlgInit ( 0 ) ;

   L_DlgJPEGWebTuner ( hWnd, &DlgParams ) ;

   L_DlgFree ( ) ;
}

Example 2:

L_VOID ExportBitmap
(
   L_TCHAR L_FAR * szFileName,
   pBITMAPHANDLE pBitmap,
   LPJPEGWEBTUNERDLGPARAMS pParam
)
{
   {// SAVE TO DISK

      SAVEFILEOPTION SaveOption ;

      memset ( &SaveOption, 0, sizeof ( SAVEFILEOPTION ) ) ;

      if ( pParam->bProgressive )
      {
         SaveOption.Passes = -1 ;
      }

      if ( pParam->bWithStamp )
      {
         SaveOption.Flags       |=  ESO_JPEGSTAMP | ESO_SAVEWITHSTAMP ;
         SaveOption.StampWidth  = 32 ;
         SaveOption.StampHeight = 32 ;
         SaveOption.StampBits   = 24 ;
      }

      L_SaveBitmap( szFileName,
                     pBitmap,
                     pParam->nFormat,
                     24,
                     pParam->nQuality,
                     &SaveOption ) ;

   }// SAVE TO DISK
}

L_VOID ShowDialog ( HWND hWnd, pBITMAPHANDLE pBitmap )
{
   L_INT nRet ;
   JPEGWEBTUNERDLGPARAMS DlgParams ;

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

   DlgParams.uStructSize      = sizeof ( JPEGWEBTUNERDLGPARAMS ) ;
   DlgParams.pBitmap    = pBitmap ;
   DlgParams.uDlgFlags  = DLG_JPEGWEBTUNER_SHOW_INFORMATION |
                          DLG_JPEGWEBTUNER_SHOW_PREVIEW |
                          DLG_JPEGWEBTUNER_SHOW_TOOL_ZOOMLEVEL |
                          DLG_JPEGWEBTUNER_SHOW_SAVETHUMBNAIL |
                          DLG_JPEGWEBTUNER_SHOW_OPTIONS ;

   L_DlgInit ( 0 ) ;

   nRet = L_DlgJPEGWebTuner (hWnd, &DlgParams) ;

   if ( SUCCESS_DLG_OK == nRet )
   {
      ExportBitmap ( TEXT("tuned.jpg"), pBitmap, &DlgParams ) ;
   }

   L_DlgFree ( ) ;
}