AT_IGGUI_FX_POSTERIZE

This structure is used by the IG_gui_fx_posterize_dlg function to reduce the number of actual colors in the image by creating a "staircase" in the palette.

Declaration:

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typedef struct tag AT_IGGUI_FX_POSTERIZE { DWORD cbSize; UINT uFlags; HIGEAR hIGear; HWND hWnd; LPCHAR lpszTitle; AT_RECT rc; WORD nLevels; AT_MODE nColorChannel; AT_ERRCOUNT nErrCount; LPFNIGGUI_FX_UPDATE lpfnUpdateProc; }AT_IGGUI_FX_POSTERIZE;

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typedef struct tag AT_IGGUI_FX_POSTERIZE
{
        DWORD cbSize;
        UINT uFlags;
        HIGEAR hIGear;
        HWND hWnd;
        LPCHAR lpszTitle;
        AT_RECT rc;
        WORD nLevels;
        AT_MODE nColorChannel;
        AT_ERRCOUNT nErrCount;
        LPFNIGGUI_FX_UPDATE lpfnUpdateProc;
}AT_IGGUI_FX_POSTERIZE;

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.
hWnd	HWND	A handle of the window to update.
lpszTitle	LPCHAR	A dialog title.
rc	AT_RECT	An AT_RECT struct specifying the rectangular portion of the image to be processed.
nLevels	WORD	The number of unique colors, or levels, in the resulting image. The valid range is from 1 to 255.
nColorChannel	AT_MODE	IG_COLOR_COMP_RGB, or use IG_COLOR_COMP_R, _B, or _G to affect only one color channel.
nErrCount	AT_ERRCOUNT	The number of ImageGear errors that occurred during this function call.
lpfnUpdateProc	LPFNIGGUI_FX_UPDATE	A pointer to the function that is called when the 'Apply' button is clicked.