ImageGear for C and C++ on Windows v21.0 - Updated
API Reference Guide / GUI Component API Reference / GUI Component Functions Reference / Display Functions / IG_gui_dspl_gamma_correction_dlg
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    IG_gui_dspl_gamma_correction_dlg
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    This function shows the dialog that allows you to set LUT tables for the given image.

    Declaration:

     
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    BOOL ACCUAPI IG_gui_dspl_gamma_correction_dlg (
            HWND hWnd, 
            LPAT_IGGUI_DSPL_GAMMA_CORRECTION lpDsplGammaCorrectionData
    );
    

    Arguments:

    Name Type Description
    hWnd HWND A handle of the parent window.
    lpDsplGammaCorrectionData LPAT_IGGUI_DSPL_GAMMA_CORRECTION A pointer to the AT_IGGUI_DSPL_GAMMA_CORRECTION structure.

    Return Value:

    If the user specifies parameters and clicks the OK button, the return value is non-zero. If the user cancels or closes the dialog box or an error occurs, the return value is zero.

    Supported Raster Image Formats:

    All pixel formats supported by ImageGear for C and C++.

    Sample:

    Display

    Example:

     
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    #include "IG_gui_common.h"
    AT_IGGUI_DSPL_GAMMA_CORRECTION DsplGamma;
    memset (&DsplGamma,0,sizeof(DsplGamma));
    DsplGamma.cbSize = sizeof (DsplGamma);
    DsplGamma.hWnd = hWnd;
    DsplGamma.hIGear = hIGear;
    DsplGamma.dwGrpID = nGrpID;
    IG_gui_dspl_gamma_correction_dlg (hWnd, &DsplGamma);
    InvalidateRect (hWnd,NULL,FALSE);
    UpdateWindow (hWnd);