ImageGear for C and C++ on Windows v20.0 - Updated
IG_gui_fx_watermark_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Image Processing Effects Functions > IG_gui_fx_watermark_dlg

This function shows the dialog that allows you to produce a watermark effect.

Declaration:

 
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BOOL ACCUAPI IG_gui_fx_watermark_dlg (
        HWND hWnd, 
        LPAT_IGGUI_FX_WATERMARK lpFxWatermarkData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpFxWatermarkData LPAT_IGGUI_FX_WATERMARK A pointer to the AT_IGGUI_FX_WATERMARK 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:
Images with non-grayscale palette;
Images that have a LUT attached to them.

Sample:

Image Processing

Example:

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