IG_gui_fx_posterize

This function shows the dialog that allows you to reduce the number of actual colors in the image by creating a "staircase" in the palette.

Declaration:

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BOOL ACCUAPI IG_gui_fx_posterize_dlg ( HWND hWnd, LPAT_IGGUI_FX_POSTERIZE lpFxPosterizeData );

Arguments:

Name	Type	Description
hWnd	HWND	A handle of the parent window.
lpFxPosterizeData	LPAT_IGGUI_FX_POSTERIZE	A pointer to the AT_IGGUI_FX_POSTERIZE 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 Professional, 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_POSTERIZE FxPosterize; FxPosterize.cbSize = sizeof (FxPosterize); FxPosterize.hWnd = hWnd; FxPosterize.hIGear = hIGear; FxPosterize.uFlags \|= IG_IGGUI_FX_SETUP_EMPTY_RECT; if (IG_gui_fx_posterize_dlg (hWnd, &FxPosterize)) { InvalidateRect(hWnd, NULL, FALSE); UpdateWindow(hWnd); }

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