Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
L_DlgHalftone
#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgHalftone(hWndOwner, pDlgParams)
L_HWND hWndOwner; |
/* owner of dialog */ |
LPHALFTONEDLGPARAMS pDlgParams; |
/* pointer to a structure */ |
Displays the Halftone dialog box, and gets the options for L_HalfToneBitmap.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
pDlgParams |
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. |
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
Required DLLs and Libraries
LTDLGCLR 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: |
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Topics: |
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Example
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; };