ImageGear for C and C++ on Windows v19.3 - Updated
IG_gui_ip_edge_map_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Image Processing Functions > IG_gui_ip_edge_map_dlg

This function shows the dialog that allows you to show where there are changes in contrast in the original image.

Declaration:

 
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BOOL ACCUAPI IG_gui_ip_edge_map_dlg (
        HWND hWnd, 
        LPAT_IGGUI_IP_EDGE_MAP lpIpEdgeMapData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpIpEdgeMapData LPAT_IGGUI_IP_EDGE_MAP A pointer to the AT_IGGUI_IP_EDGE_MAP 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++.

Sample:

Image Processing

Example:

 
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#include "IG_gui_common.h"
AT_IGGUI_IP_EDGE_MAP IpEdgeMap;
IpEdgeMap.cbSize = sizeof (IpEdgeMap);
IpEdgeMap.hWnd = hWnd;
IpEdgeMap.hIGear = hIGear;
IpEdgeMap.uFlags |= IG_IGGUI_IP_SETUP_EMPTY_RECT;
if (IG_gui_ip_edge_map_dlg (hWnd, &IpEdgeMap))
{
InvalidateRect(hWnd, NULL, FALSE);
        UpdateWindow(hWnd);
}