1 files changed, 6 insertions, 1 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_color.h b/fpdfsdk/pdfwindow/cpwl_color.h
index c1f9e6ea97..f1b34c7eb8 100644
--- a/fpdfsdk/pdfwindow/cpwl_color.h
+++ b/fpdfsdk/pdfwindow/cpwl_color.h
@@ -28,7 +28,12 @@ struct CPWL_Color {
         fColor3(b / 255.0f),
         fColor4(0) {}
 
-  void ConvertColorType(int32_t other_nColorType);
+  CPWL_Color operator/(FX_FLOAT fColorDivide) const;
+  CPWL_Color operator-(FX_FLOAT fColorSub) const;
+
+  CPWL_Color ConvertColorType(int32_t other_nColorType) const;
+
+  FX_COLORREF ToFXColor(int32_t nTransparency) const;
 
   void Reset() {
     nColorType = COLORTYPE_TRANSPARENT;