Color of a screen pixel: Difference between revisions

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 {{works with|Windows}}
 <lang c>COLORREF getColorAtCursor(void) {
-	POINT p;
+    POINT p;
-	COLORREF color;
+    COLORREF color;
-	HDC hDC;
+    HDC hDC;
-	BOOL b;
+    BOOL b;
-	// Get the device context for the screen
+    // Get the device context for the screen
-	hDC = GetDC(NULL);
+    hDC = GetDC(NULL);
-	if (hDC == NULL)
+    if (hDC == NULL)
-		return CLR_INVALID;
+        return CLR_INVALID;
-	// Get the current cursor position
+    // Get the current cursor position
-	b = GetCursorPos(&p);
+    b = GetCursorPos(&p);
-	if (!b)
+    if (!b)
-		return CLR_INVALID;
+        return CLR_INVALID;
-	// Retrieve the color at that position
+    // Retrieve the color at that position
-	color = GetPixel(hDC, p.x, p.y);
+    color = GetPixel(hDC, p.x, p.y);
-	// Release the device context again
+    // Release the device context again
-	ReleaseDC(GetDesktopWindow(), hDC);
+    ReleaseDC(GetDesktopWindow(), hDC);
-	return color;
+    return color;
 }</lang>