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
);
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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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