1 files changed, 24 insertions, 0 deletions
diff --git a/alf/alf.cpp b/alf/alf.cpp
index d40522f..311c65b 100644
--- a/alf/alf.cpp
+++ b/alf/alf.cpp
@@ -415,3 +415,27 @@ ALF_ShouldMessageBubble(HWND hwnd, UINT msg, WPARAM wparam, LPARAM lparam)
         || msg == WM_CTLCOLORLISTBOX || msg == WM_CTLCOLORSCROLLBAR
         || msg == WM_CTLCOLORSTATIC;
 }
+
+void
+ALF_FillRect(HDC dc, const RECT *rc, ALFColor color)
+{
+    if (color == ALF_COLOR_TRANSPARENT)
+        return;
+
+    COLORREF gdicolor = ALF_ColorToGdi(color);
+    COLORREF oldBkColor = SetBkColor(dc, gdicolor);
+    ExtTextOut(dc, 0, 0, ETO_OPAQUE, rc, NULL, 0, NULL);
+    SetBkColor(dc, oldBkColor);
+}
+
+COLORREF
+ALF_ColorToGdi(ALFColor color)
+{
+    if (color == ALF_COLOR_TRANSPARENT) {
+        return (COLORREF)-1;
+    } else if (color & 0x80000000) {
+        return GetSysColor((color & 0x7f000000) >> 24);
+    } else {
+        return (COLORREF)color;
+    }
+}