diff --git a/DesktopEditor/graphics/GraphicsRenderer.cpp b/DesktopEditor/graphics/GraphicsRenderer.cpp
index 75e50a33e2..fbf692ffb7 100644
--- a/DesktopEditor/graphics/GraphicsRenderer.cpp
+++ b/DesktopEditor/graphics/GraphicsRenderer.cpp
@@ -91,6 +91,9 @@ CGraphicsRenderer::CGraphicsRenderer()
 	m_pDIB		= NULL;
 
 	m_pCache	= NULL;
+
+	m_dGlobalAlpha			= 1.0;
+	m_bGlobalAlphaEnabled	= FALSE;
 }
 CGraphicsRenderer::~CGraphicsRenderer()
 {
@@ -1128,4 +1131,13 @@ void CGraphicsRenderer::CreateFlip(BYTE* pPixels, const Aggplus::CDoubleRect& oR
 	m_pRenderer->SetPageWidth(m_dWidth, Aggplus::UnitMillimeter);
 	m_pRenderer->SetPageHeight(m_dHeight, Aggplus::UnitMillimeter);
 	m_pRenderer->SetPageUnit(Aggplus::UnitMillimeter);
+}
+
+void CGraphicsRenderer::put_GlobalAlphaEnabled(const bool& bEnabled, const double& dVal)
+{
+	m_bGlobalAlphaEnabled = bEnabled;
+	if (m_bGlobalAlphaEnabled)
+		m_dGlobalAlpha = dVal;
+	else
+		m_dGlobalAlpha = 1.0;
 }
\ No newline at end of file
diff --git a/DesktopEditor/graphics/GraphicsRenderer.h b/DesktopEditor/graphics/GraphicsRenderer.h
index 0dc0e1608e..b2d00d725d 100644
--- a/DesktopEditor/graphics/GraphicsRenderer.h
+++ b/DesktopEditor/graphics/GraphicsRenderer.h
@@ -41,6 +41,9 @@ private:
 
 	CImageFilesCache* m_pCache;
 
+	double m_dGlobalAlpha;
+	BOOL m_bGlobalAlphaEnabled;
+
 public:
 	CGraphicsRenderer();
 	~CGraphicsRenderer();
@@ -182,6 +185,8 @@ public:
 	virtual HRESULT CommandDouble(const LONG& lType, const double& dCommand);
 	virtual HRESULT CommandString(const LONG& lType, const std::wstring& sCommand);
 
+	void put_GlobalAlphaEnabled(const bool& bEnabled, const double& dVal);
+
 protected:
 	void _SetFont();
 	void ApplyTransform(const double& d1, const double& d2, const double& d3, const double& d4, const double& d5, const double& d6);