Available in LEADTOOLS Imaging Pro, Vector, Document, and Medical Imaging toolkits. |
#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgContrast(hWndOwner, pDlgParams)
L_HWND hWndOwner; |
/* owner of dialog */ |
LPCONTRASTDLGPARAMS pDlgParams; |
/* pointer to a structure */ |
Displays the Contrast dialog box, and gets the options for tL_ChangeBitmapContrast.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
pDlgParams |
Pointer to a CONTRASTDLGPARAMS 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: |
|
Topics: |
|
|
Example
L_INT ShowDlgContrastExample(HWND hWnd,pBITMAPHANDLE pBitmap) { L_INT nRet; CONTRASTDLGPARAMS DlgParams ; memset ( &DlgParams, 0, sizeof ( CONTRASTDLGPARAMS ) ) ; DlgParams.uStructSize = sizeof ( CONTRASTDLGPARAMS ) ; DlgParams.pBitmap = pBitmap ; DlgParams.uDlgFlags = DLG_CONTRAST_SHOW_PREVIEW | DLG_CONTRAST_SHOW_TOOL_ZOOMLEVEL; nRet = L_DlgInit ( DLG_INIT_COLOR ) ; if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) return nRet; nRet = L_DlgContrast( hWnd, &DlgParams ) ; if(nRet < 1) return nRet; nRet = L_DlgFree(); if(nRet != SUCCESS) return nRet; return SUCCESS; };