#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgHalftone(hWndOwner, pDlgParams)
Displays the Halftone dialog box, and gets the options for L_HalfToneBitmap.
Handle of the window which owns the dialog.
Pointer to a HALFTONEDLGPARAMS 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 dialogs initial values.
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. |
The Halftone dialog.
Required DLLs and Libraries
L_INT ShowDlgHalftoneExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet;
HALFTONEDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( HALFTONEDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( HALFTONEDLGPARAMS );
DlgParams.pBitmap = pBitmap ;
DlgParams.nAngle = 5 ;
DlgParams.uDim = 5 ;
DlgParams.uType = HT_RECT ;
DlgParams.uDlgFlags = DLG_HALFTONE_SHOW_PREVIEW |
DLG_HALFTONE_SHOW_TOOL_ZOOMLEVEL ;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgHalftone(hWnd, &DlgParams ) ;
if(nRet < 1)
return nRet;
nRet = L_DlgFree();
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
};