diff --git a/fxbarcode/BC_TwoDimWriter.cpp b/fxbarcode/BC_TwoDimWriter.cpp
index 09ae8c7..d31c59c 100644
--- a/fxbarcode/BC_TwoDimWriter.cpp
+++ b/fxbarcode/BC_TwoDimWriter.cpp
@@ -89,8 +89,8 @@
   CFX_GraphStateData stateData;
   CFX_PathData path;
   path.AppendRect(0, 0, m_Width, m_Height);
-  device->DrawPath(&path, matrix, &stateData, m_backgroundColor,
-                   m_backgroundColor, FXFILL_ALTERNATE);
+  device->DrawPath(&path, matrix, &stateData, kBackgroundColor,
+                   kBackgroundColor, FXFILL_ALTERNATE);
   int32_t leftPos = m_leftPadding;
   int32_t topPos = m_topPadding;
 
@@ -119,7 +119,7 @@
                         topPos + start_y_output * m_multiY,
                         leftPos + end_x_output * m_multiX,
                         topPos + end_y_output * m_multiY);
-        device->DrawPath(&rect, &matri, &data, m_barColor, 0, FXFILL_WINDING);
+        device->DrawPath(&rect, &matri, &data, kBarColor, 0, FXFILL_WINDING);
       }
     }
   }
diff --git a/fxbarcode/BC_Writer.cpp b/fxbarcode/BC_Writer.cpp
index 911d90c..9f77ffb 100644
--- a/fxbarcode/BC_Writer.cpp
+++ b/fxbarcode/BC_Writer.cpp
@@ -41,14 +41,6 @@
   return true;
 }
 
-void CBC_Writer::SetBackgroundColor(FX_ARGB backgroundColor) {
-  m_backgroundColor = backgroundColor;
-}
-
-void CBC_Writer::SetBarcodeColor(FX_ARGB foregroundColor) {
-  m_barColor = foregroundColor;
-}
-
 bool CBC_Writer::SetTextLocation(BC_TEXT_LOC location) {
   return false;
 }
diff --git a/fxbarcode/BC_Writer.h b/fxbarcode/BC_Writer.h
index c358599..cf7f43b 100644
--- a/fxbarcode/BC_Writer.h
+++ b/fxbarcode/BC_Writer.h
@@ -10,8 +10,6 @@
 #include "core/fxge/fx_dib.h"
 #include "fxbarcode/BC_Library.h"
 
-class CFX_DIBitmap;
-
 class CBC_Writer {
  public:
   CBC_Writer();
@@ -21,8 +19,6 @@
   virtual bool SetModuleWidth(int32_t moduleWidth);
   virtual bool SetHeight(int32_t height);
   virtual bool SetWidth(int32_t width);
-  virtual void SetBackgroundColor(FX_ARGB backgroundColor);
-  virtual void SetBarcodeColor(FX_ARGB foregroundColor);
   virtual bool SetTextLocation(BC_TEXT_LOC location);
   virtual bool SetWideNarrowRatio(int8_t ratio);
   virtual bool SetStartChar(char start);
@@ -30,14 +26,15 @@
   virtual bool SetErrorCorrectionLevel(int32_t level);
 
  protected:
+  static const FX_ARGB kBarColor = 0xff000000;
+  static const FX_ARGB kBackgroundColor = 0xffffffff;
+
   int32_t m_CharEncoding = 0;
   int32_t m_ModuleHeight = 1;
   int32_t m_ModuleWidth = 1;
   int32_t m_Height = 320;
   int32_t m_Width = 640;
   FXDIB_Format m_colorSpace = FXDIB_Argb;
-  FX_ARGB m_barColor = 0xff000000;
-  FX_ARGB m_backgroundColor = 0xffffffff;
 };
 
 #endif  // FXBARCODE_BC_WRITER_H_
diff --git a/fxbarcode/cbc_codebase.cpp b/fxbarcode/cbc_codebase.cpp
index c31ee6c..305d09b 100644
--- a/fxbarcode/cbc_codebase.cpp
+++ b/fxbarcode/cbc_codebase.cpp
@@ -69,11 +69,3 @@
 bool CBC_CodeBase::SetWidth(int32_t width) {
   return m_pBCWriter->SetWidth(width);
 }
-
-void CBC_CodeBase::SetBackgroundColor(FX_ARGB backgroundColor) {
-  m_pBCWriter->SetBackgroundColor(backgroundColor);
-}
-
-void CBC_CodeBase::SetBarcodeColor(FX_ARGB foregroundColor) {
-  m_pBCWriter->SetBarcodeColor(foregroundColor);
-}
diff --git a/fxbarcode/cbc_codebase.h b/fxbarcode/cbc_codebase.h
index 75070fa..d3e21dc 100644
--- a/fxbarcode/cbc_codebase.h
+++ b/fxbarcode/cbc_codebase.h
@@ -40,8 +40,6 @@
   bool SetModuleWidth(int32_t moduleWidth);
   bool SetHeight(int32_t height);
   bool SetWidth(int32_t width);
-  void SetBackgroundColor(FX_ARGB backgroundColor);
-  void SetBarcodeColor(FX_ARGB foregroundColor);
 
  protected:
   std::unique_ptr<CBC_Writer> m_pBCWriter;
diff --git a/fxbarcode/oned/BC_OneDimWriter.cpp b/fxbarcode/oned/BC_OneDimWriter.cpp
index 0accc51..7cd06ec 100644
--- a/fxbarcode/oned/BC_OneDimWriter.cpp
+++ b/fxbarcode/oned/BC_OneDimWriter.cpp
@@ -166,7 +166,7 @@
     rect.right -= 1;
   }
   FX_RECT re = matrix->TransformRect(rect).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   CFX_Matrix affine_matrix(1.0, 0.0, 0.0, -1.0, (float)locX,
                            (float)(locY + iFontSize));
   if (matrix) {
@@ -243,15 +243,14 @@
   CFX_PathData path;
   path.AppendRect(0, 0, static_cast<float>(m_Width),
                   static_cast<float>(m_Height));
-  device->DrawPath(&path, matrix, &stateData, m_backgroundColor,
-                   m_backgroundColor, FXFILL_ALTERNATE);
+  device->DrawPath(&path, matrix, &stateData, kBackgroundColor,
+                   kBackgroundColor, FXFILL_ALTERNATE);
   CFX_Matrix scaledMatrix(m_outputHScale, 0.0, 0.0,
                           static_cast<float>(m_Height), 0.0, 0.0);
   scaledMatrix.Concat(*matrix);
   for (const auto& rect : m_output) {
     CFX_GraphStateData data;
-    device->DrawPath(&rect, &scaledMatrix, &data, m_barColor, 0,
-                     FXFILL_WINDING);
+    device->DrawPath(&rect, &scaledMatrix, &data, kBarColor, 0, FXFILL_WINDING);
   }
 
   return m_locTextLoc == BC_TEXT_LOC_NONE || !contents.Contains(' ') ||
diff --git a/fxbarcode/oned/BC_OnedEAN13Writer.cpp b/fxbarcode/oned/BC_OnedEAN13Writer.cpp
index 23a6c60..5c297e3 100644
--- a/fxbarcode/oned/BC_OnedEAN13Writer.cpp
+++ b/fxbarcode/oned/BC_OnedEAN13Writer.cpp
@@ -148,21 +148,21 @@
                      (float)(leftPosition + strWidth - 0.5), (float)m_Height);
   matr.Concat(*matrix);
   FX_RECT re = matr.TransformRect(rect).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   CFX_FloatRect rect1(
       (float)(leftPosition + 47 * multiple), (float)(m_Height - iTextHeight),
       (float)(leftPosition + 47 * multiple + strWidth - 0.5), (float)m_Height);
   CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
   matr1.Concat(*matrix);
   re = matr1.TransformRect(rect1).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   int32_t strWidth1 = multiple * 7;
   CFX_Matrix matr2(m_outputHScale, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f);
   CFX_FloatRect rect2(0.0f, (float)(m_Height - iTextHeight),
                       (float)strWidth1 - 0.5f, (float)m_Height);
   matr2.Concat(*matrix);
   re = matr2.TransformRect(rect2).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
 
   float blank = 0.0;
   length = tempStr.GetLength();
diff --git a/fxbarcode/oned/BC_OnedEAN8Writer.cpp b/fxbarcode/oned/BC_OnedEAN8Writer.cpp
index f0e8bb2..d1d9677 100644
--- a/fxbarcode/oned/BC_OnedEAN8Writer.cpp
+++ b/fxbarcode/oned/BC_OnedEAN8Writer.cpp
@@ -150,14 +150,14 @@
                      (float)(leftPosition + strWidth - 0.5), (float)m_Height);
   matr.Concat(*matrix);
   FX_RECT re = matr.TransformRect(rect).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
   CFX_FloatRect rect1(
       (float)(leftPosition + 33 * multiple), (float)(m_Height - iTextHeight),
       (float)(leftPosition + 33 * multiple + strWidth - 0.5), (float)m_Height);
   matr1.Concat(*matrix);
   re = matr1.TransformRect(rect1).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   strWidth = (int32_t)(strWidth * m_outputHScale);
 
   CalcTextInfo(tempStr, charpos.data(), m_pFont.Get(), (float)strWidth,
diff --git a/fxbarcode/oned/BC_OnedUPCAWriter.cpp b/fxbarcode/oned/BC_OnedUPCAWriter.cpp
index e807ca3..f897e48 100644
--- a/fxbarcode/oned/BC_OnedUPCAWriter.cpp
+++ b/fxbarcode/oned/BC_OnedUPCAWriter.cpp
@@ -129,7 +129,7 @@
                      (float)(leftPosition + strWidth - 0.5), (float)m_Height);
   matr.Concat(*matrix);
   FX_RECT re = matr.TransformRect(rect).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   CFX_Matrix matr1(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
   CFX_FloatRect rect1((float)(leftPosition + 40 * multiple),
                       (float)(m_Height - iTextHeight),
@@ -137,14 +137,14 @@
                       (float)m_Height);
   matr1.Concat(*matrix);
   re = matr1.TransformRect(rect1).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   float strWidth1 = (float)multiple * 7;
   CFX_Matrix matr2(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
   CFX_FloatRect rect2(0.0, (float)(m_Height - iTextHeight),
                       (float)strWidth1 - 1, (float)m_Height);
   matr2.Concat(*matrix);
   re = matr2.TransformRect(rect2).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   CFX_Matrix matr3(m_outputHScale, 0.0, 0.0, 1.0, 0.0, 0.0);
   CFX_FloatRect rect3((float)(leftPosition + 85 * multiple),
                       (float)(m_Height - iTextHeight),
@@ -152,7 +152,7 @@
                       (float)m_Height);
   matr3.Concat(*matrix);
   re = matr3.TransformRect(rect3).GetOuterRect();
-  device->FillRect(re, m_backgroundColor);
+  device->FillRect(re, kBackgroundColor);
   strWidth = strWidth * m_outputHScale;
 
   CalcTextInfo(tempStr, &charpos[1], m_pFont.Get(), strWidth, iFontSize, blank);