References ▼
#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. |
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;};