IG_gui_fx_chroma_key

This function shows the dialog that allows you to blend two images.

Declaration:

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BOOL ACCUAPI IG_gui_fx_chroma_key_dlg ( HWND hWnd, LPAT_IGGUI_FX_CHROMA_KEY lpFxChromaKeyData );

Arguments:

Name	Type	Description
hWnd	HWND	A handle of the parent window.
lpFxChromaKeyData	LPAT_IGGUI_FX_CHROMA_KEY	A pointer to the AT_IGGUI_FX_CHROMA_KEY 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 – 1 bpp;
Grayscale – 1 bpp.

Sample:

Image Processing

Example:

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

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