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utils/mxtk/mxchoosecolor.cpp

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+//
+//                 mxToolKit (c) 1999 by Mete Ciragan
+//
+// file:           mxChooseColor.cpp
+// implementation: Win32 API
+// last modified:  Mar 14 1999, Mete Ciragan
+// copyright:      The programs and associated files contained in this
+//                 distribution were developed by Mete Ciragan. The programs
+//                 are not in the public domain, but they are freely
+//                 distributable without licensing fees. These programs are
+//                 provided without guarantee or warrantee expressed or
+//                 implied.
+//
+#include "mxtk/mxChooseColor.h"
+#include "mxtk/mxWindow.h"
+#include <windows.h>
+#include <commdlg.h>
+
+
+
+bool
+mxChooseColor (mxWindow *parent, int *r, int *g, int *b)
+{
+	CHOOSECOLOR cc;
+	static COLORREF custColors[16];
+
+	BYTE rr = *r;
+	BYTE gg = *g;
+	BYTE bb = *b;
+
+	memset (&cc, 0, sizeof (CHOOSECOLOR));
+	cc.lStructSize = sizeof (CHOOSECOLOR);
+	cc.hwndOwner = parent ? (HWND) parent->getHandle ():NULL;
+	cc.rgbResult = RGB (rr, gg, bb);
+	cc.lpCustColors = custColors;
+	cc.Flags = CC_ANYCOLOR | CC_FULLOPEN | CC_RGBINIT;
+
+	if (ChooseColor (&cc))
+	{
+		*r = (int) GetRValue (cc.rgbResult);
+		*g = (int) GetGValue (cc.rgbResult);
+		*b = (int) GetBValue (cc.rgbResult);
+
+		return true;
+	}
+
+	return false;
+}