IG_gui_fx_spotlight

This function shows the dialog that allows you to produce a "spotlight" effect within the circle.

Declaration:

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BOOL ACCUAPI IG_gui_fx_spotlight_dlg ( HWND hWnd, LPAT_IGGUI_FX_SPOTLIGHT lpFxSpotlightData );

Arguments:

Name	Type	Description
hWnd	HWND	A handle of the parent window.
lpFxSpotlightData	LPAT_IGGUI_FX_SPOTLIGHT	A pointer to the AT_IGGUI_FX_SPOTLIGHT 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++, except:
Indexed RGB with non-grayscale palette.
Images that have a Grayscale LUT attached to them.

Sample:

Image Processing

Example:

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#include "IG_gui_common.h" AT_IGGUI_FX_SPOTLIGHT FxSpotlight; FxSpotlight.cbSize = sizeof (FxSpotlight); FxSpotlight.hWnd = hWnd; FxSpotlight.hIGear = hIGear; FxSpotlight.uFlags \|= IG_IGGUI_FX_SETUP_EMPTY_RECT; if (IG_gui_fx_spotlight_dlg (hWnd, &FxSpotlight)) { InvalidateRect(hWnd, NULL, FALSE); UpdateWindow(hWnd); }

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#include "IG_gui_common.h"
AT_IGGUI_FX_SPOTLIGHT FxSpotlight;
FxSpotlight.cbSize = sizeof (FxSpotlight);
FxSpotlight.hWnd = hWnd;
FxSpotlight.hIGear = hIGear;
FxSpotlight.uFlags |= IG_IGGUI_FX_SETUP_EMPTY_RECT;
if (IG_gui_fx_spotlight_dlg (hWnd, &FxSpotlight))
{
InvalidateRect(hWnd, NULL, FALSE);
        UpdateWindow(hWnd);
}