ImageGear for C and C++ on Windows v19.10 - Updated
IG_gui_ip_color_promote_dlg
API Reference Guide > GUI Component API Reference > GUI Component Functions Reference > Image Processing Functions > IG_gui_ip_color_promote_dlg

This function shows the dialog that allows you to increase the number of bits per pixel for the original image.

Declaration:

 
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BOOL ACCUAPI IG_gui_ip_color_promote_dlg (
        HWND hWnd, 
        LPAT_IGGUI_IP_COLOR_PROMOTE lpIpColorPromoteData
);

Arguments:

Name Type Description
hWnd HWND A handle of the parent window.
lpIpColorPromoteData AT_IGGUI_IP_COLOR_PROMOTE A pointer to the AT_IGGUI_IP_COLOR_PROMOTE 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 bpp >= 32.

This function is only kept for backward compatibility. Consider using IG_gui_dspl_channeldepths_dlg and / or IG_gui_dspl_colorconversion_dlg instead.

Sample:

Color, Image Processing

Example:

 
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#include "IG_gui_common.h"
AT_IGGUI_IP_COLOR_PROMOTE IpColorPromote;
IpColorPromote.cbSize = sizeof (IpColorPromote);
IpColorPromote.hWnd = hWnd;
IpColorPromote.hIGear = hIGear;
if (IG_gui_ip_color_promote_dlg (hWnd, &IpColorPromote))
{
InvalidateRect(hWnd, NULL, FALSE);
        UpdateWindow(hWnd);
}