AT_IGGUI_DSPL_GAMMA

AT_IGGUI_DSPL_GAMMA_CORRECTION

In This Topic

This structure is used by the IG_gui_dspl_gamma_correction_dlg function to set LUT tables for the given image.

Declaration:

	Copy Code
typedef struct tag AT_IGGUI_DSPL_GAMMA_CORRECTION { DWORD cbSize; UINT uFlags; HIGEAR hIGear; DWORD dwGrpID; HWND hWnd; LPCHAR lpszTitle; DOUBLE dblBrightness; DOUBLE dblContrast; DOUBLE dblGamma; AT_ERRCOUNT nErrCount; LPFNIGGUI_DSPL_UPDATE lpfnUpdateProc; }AT_IGGUI_DSPL_GAMMA_CORRECTION;

Copy Code

typedef struct tag AT_IGGUI_DSPL_GAMMA_CORRECTION
{
        DWORD cbSize;
        UINT uFlags;
        HIGEAR hIGear;
        DWORD dwGrpID;
        HWND hWnd;
        LPCHAR lpszTitle;
        DOUBLE dblBrightness;
        DOUBLE dblContrast;
        DOUBLE dblGamma;
        AT_ERRCOUNT nErrCount;
        LPFNIGGUI_DSPL_UPDATE lpfnUpdateProc;
}AT_IGGUI_DSPL_GAMMA_CORRECTION;

Members:

Name	Type	Description
cbSize	DWORD	Specifies the length, in bytes, of the structure.
uFlags	UINT	A set of bit flags you can use to initialize the dialog box.
hIGear	HIGEAR	A handle of an image.
dwGrpID	DWORD	An identifier of the group from which to get display options.
hWnd	HWND	A handle of the window to update.
lpszTitle	LPCHAR	A dialog title.
dblBrightness	DOUBLE	A brightness value to use in calculations. Must be in the range from 255.0 to +255.0.
dblContrast	DOUBLE	A contrast value to use in calculations. Any possible value can be set.
dblGamma	DOUBLE	A gamma value to use in calculations. Must be greater than 0.0, however the most useful values are in the range from 1.8 to 2.2.
nErrCount	AT_ERRCOUNT	The number of ImageGear errors that occurred during this function call.
lpfnUpdateProc	LPFNIGGUI_DSPL_UPDATE	A pointer to the function that is called when the 'Apply' button is pressed.

Get Product Support