Remove unused GetThisAppearanceStream

This method is never called. Removed.

Change-Id: Iff366d68b4865d195d50a6c37376e81a5a4408b2
Reviewed-on: https://pdfium-review.googlesource.com/8313
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

12 files changed, 0 insertions, 366 deletions

diff --git a/fpdfsdk/pdfwindow/cpwl_caret.cpp b/fpdfsdk/pdfwindow/cpwl_caret.cpp
index def479a4df..2e56450fb3 100644
--- a/fpdfsdk/pdfwindow/cpwl_caret.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_caret.cpp
@@ -24,10 +24,6 @@ CFX_ByteString CPWL_Caret::GetClassName() const {
   return "CPWL_Caret";
 }
 
-void CPWL_Caret::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  GetCaretApp(CFX_PointF(), psAppStream);
-}
-
 void CPWL_Caret::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                     CFX_Matrix* pUser2Device) {
   if (!IsVisible() || !m_bFlash)
@@ -58,36 +54,6 @@ void CPWL_Caret::DrawThisAppearance(CFX_RenderDevice* pDevice,
                     FXFILL_ALTERNATE);
 }
 
-void CPWL_Caret::GetCaretApp(const CFX_PointF& ptOffset,
-                             std::ostringstream* psAppStream) {
-  if (!IsVisible() || !m_bFlash)
-    return;
-
-  CFX_FloatRect rcRect = GetCaretRect();
-  CFX_FloatRect rcClip = GetClipRect();
-
-  rcRect.Translate(ptOffset.x, ptOffset.y);
-  rcClip.Translate(ptOffset.x, ptOffset.y);
-
-  *psAppStream << "q\n";
-  if (!rcClip.IsEmpty()) {
-    *psAppStream << rcClip.left << " " << rcClip.bottom + 2.5f << " "
-                 << rcClip.right - rcClip.left << " "
-                 << rcClip.top - rcClip.bottom - 4.5f << " re W n\n";
-  }
-  *psAppStream << m_fWidth << " w\n0 G\n"
-               << rcRect.left + m_fWidth / 2 << " " << rcRect.bottom << " m\n"
-               << rcRect.left + m_fWidth / 2 << " " << rcRect.top
-               << " l S\nQ\n";
-}
-
-CFX_ByteString CPWL_Caret::GetCaretAppearanceStream(
-    const CFX_PointF& ptOffset) {
-  std::ostringstream sCaret;
-  GetCaretApp(ptOffset, &sCaret);
-  return CFX_ByteString(sCaret);
-}
-
 void CPWL_Caret::TimerProc() {
   if (m_nDelay > 0) {
     m_nDelay--;
diff --git a/fpdfsdk/pdfwindow/cpwl_caret.h b/fpdfsdk/pdfwindow/cpwl_caret.h
index 0d9c1cdfd1..6d6dcd557e 100644
--- a/fpdfsdk/pdfwindow/cpwl_caret.h
+++ b/fpdfsdk/pdfwindow/cpwl_caret.h
@@ -16,7 +16,6 @@ class CPWL_Caret : public CPWL_Wnd {
 
   // CPWL_Wnd
   CFX_ByteString GetClassName() const override;
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   void InvalidateRect(CFX_FloatRect* pRect = nullptr) override;
@@ -26,11 +25,9 @@ class CPWL_Caret : public CPWL_Wnd {
   void SetCaret(bool bVisible,
                 const CFX_PointF& ptHead,
                 const CFX_PointF& ptFoot);
-  CFX_ByteString GetCaretAppearanceStream(const CFX_PointF& ptOffset);
   void SetInvalidRect(CFX_FloatRect rc) { m_rcInvalid = rc; }
 
  private:
-  void GetCaretApp(const CFX_PointF& ptOffset, std::ostringstream* psAppStream);
   CFX_FloatRect GetCaretRect() const;
 
   bool m_bFlash;
diff --git a/fpdfsdk/pdfwindow/cpwl_combo_box.cpp b/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
index d2afa3e8aa..97ac318982 100644
--- a/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_combo_box.cpp
@@ -94,34 +94,6 @@ bool CPWL_CBListBox::OnCharNotify(uint16_t nChar, uint32_t nFlag) {
   return OnNotifySelectionChanged(true, nFlag);
 }
 
-void CPWL_CBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(psAppStream);
-
-  CFX_FloatRect rectWnd = CPWL_Wnd::GetWindowRect();
-
-  if (!IsVisible() || rectWnd.IsEmpty())
-    return;
-
-  CFX_PointF ptCenter = GetCenterPoint();
-
-  CFX_PointF pt1(ptCenter.x - kTriangleHalfLength,
-                 ptCenter.y + kTriangleHalfLength * 0.5f);
-  CFX_PointF pt2(ptCenter.x + kTriangleHalfLength,
-                 ptCenter.y + kTriangleHalfLength * 0.5f);
-  CFX_PointF pt3(ptCenter.x, ptCenter.y - kTriangleHalfLength * 0.5f);
-
-  if (IsFloatBigger(rectWnd.right - rectWnd.left, kTriangleHalfLength * 2) &&
-      IsFloatBigger(rectWnd.top - rectWnd.bottom, kTriangleHalfLength)) {
-    *psAppStream << "q\n"
-                 << "0 g\n"
-                 << pt1.x << " " << pt1.y << " m\n"
-                 << pt2.x << " " << pt2.y << " l\n"
-                 << pt3.x << " " << pt3.y << " l\n"
-                 << pt1.x << " " << pt1.y << " l f\n"
-                 << "Q\n";
-  }
-}
-
 void CPWL_CBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                        CFX_Matrix* pUser2Device) {
   CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
diff --git a/fpdfsdk/pdfwindow/cpwl_combo_box.h b/fpdfsdk/pdfwindow/cpwl_combo_box.h
index 37b3eb5a4e..7dc348a711 100644
--- a/fpdfsdk/pdfwindow/cpwl_combo_box.h
+++ b/fpdfsdk/pdfwindow/cpwl_combo_box.h
@@ -36,7 +36,6 @@ class CPWL_CBButton : public CPWL_Wnd {
   ~CPWL_CBButton() override {}
 
   // CPWL_Wnd
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
diff --git a/fpdfsdk/pdfwindow/cpwl_edit.cpp b/fpdfsdk/pdfwindow/cpwl_edit.cpp
index 7d75bc693d..a5105c1a74 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_edit.cpp
@@ -199,125 +199,6 @@ void CPWL_Edit::SetParamByFlag() {
   }
 }
 
-void CPWL_Edit::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(psAppStream);
-
-  CFX_FloatRect rcClient = GetClientRect();
-
-  int32_t nCharArray = m_pEdit->GetCharArray();
-
-  if (nCharArray > 0) {
-    switch (GetBorderStyle()) {
-      case BorderStyle::SOLID: {
-        *psAppStream << "q\n"
-                     << GetBorderWidth() << " w\n"
-                     << CPWL_Utils::GetColorAppStream(GetBorderColor(), false)
-                     << " 2 J 0 j\n";
-
-        for (int32_t i = 1; i < nCharArray; i++) {
-          *psAppStream << rcClient.left +
-                              ((rcClient.right - rcClient.left) / nCharArray) *
-                                  i
-                       << " " << rcClient.bottom << " m\n"
-                       << rcClient.left +
-                              ((rcClient.right - rcClient.left) / nCharArray) *
-                                  i
-                       << " " << rcClient.top << " l S\n";
-        }
-
-        *psAppStream << "Q\n";
-        break;
-      }
-      case BorderStyle::DASH: {
-        *psAppStream << "q\n"
-                     << GetBorderWidth() << " w\n"
-                     << CPWL_Utils::GetColorAppStream(GetBorderColor(), false)
-                     << " 2 J 0 j\n"
-                     << "[" << GetBorderDash().nDash << " "
-                     << GetBorderDash().nGap << "] " << GetBorderDash().nPhase
-                     << " d\n";
-
-        for (int32_t i = 1; i < nCharArray; i++) {
-          *psAppStream << rcClient.left +
-                              ((rcClient.right - rcClient.left) / nCharArray) *
-                                  i
-                       << " " << rcClient.bottom << " m\n"
-                       << rcClient.left +
-                              ((rcClient.right - rcClient.left) / nCharArray) *
-                                  i
-                       << " " << rcClient.top << " l S\n";
-        }
-
-        *psAppStream << "Q\n";
-        break;
-      }
-      default:
-        break;
-    }
-  }
-
-  std::ostringstream sText;
-  CFX_PointF ptOffset;
-  CPVT_WordRange wrWhole = m_pEdit->GetWholeWordRange();
-  CPVT_WordRange wrSelect = GetSelectWordRange();
-  CPVT_WordRange wrVisible =
-      HasFlag(PES_TEXTOVERFLOW) ? wrWhole : m_pEdit->GetVisibleWordRange();
-
-  CPVT_WordRange wrSelBefore(wrWhole.BeginPos, wrSelect.BeginPos);
-  CPVT_WordRange wrSelAfter(wrSelect.EndPos, wrWhole.EndPos);
-  CPVT_WordRange wrTemp = GetSelectWordRange().Intersect(wrVisible);
-  CFX_ByteString sEditSel =
-      CPWL_Utils::GetEditSelAppStream(m_pEdit.get(), ptOffset, &wrTemp);
-
-  if (sEditSel.GetLength() > 0)
-    sText << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELBACKCOLOR)
-          << sEditSel;
-
-  wrTemp = wrVisible.Intersect(wrSelBefore);
-  CFX_ByteString sEditBefore = CPWL_Utils::GetEditAppStream(
-      m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
-      m_pEdit->GetPasswordChar());
-
-  if (sEditBefore.GetLength() > 0)
-    sText << "BT\n"
-          << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEditBefore
-          << "ET\n";
-
-  wrTemp = wrVisible.Intersect(wrSelect);
-  CFX_ByteString sEditMid = CPWL_Utils::GetEditAppStream(
-      m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
-      m_pEdit->GetPasswordChar());
-
-  if (sEditMid.GetLength() > 0)
-    sText << "BT\n"
-          << CPWL_Utils::GetColorAppStream(CFX_Color(COLORTYPE_GRAY, 1))
-          << sEditMid << "ET\n";
-
-  wrTemp = wrVisible.Intersect(wrSelAfter);
-  CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(
-      m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
-      m_pEdit->GetPasswordChar());
-
-  if (sEditAfter.GetLength() > 0)
-    sText << "BT\n"
-          << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEditAfter
-          << "ET\n";
-
-  if (sText.tellp() > 0) {
-    CFX_FloatRect rect = GetClientRect();
-    *psAppStream << "q\n/Tx BMC\n";
-
-    if (!HasFlag(PES_TEXTOVERFLOW))
-      *psAppStream << rect.left << " " << rect.bottom << " "
-                   << rect.right - rect.left << " " << rect.top - rect.bottom
-                   << " re W n\n";
-
-    *psAppStream << sText.str();
-
-    *psAppStream << "EMC\nQ\n";
-  }
-}
-
 void CPWL_Edit::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                    CFX_Matrix* pUser2Device) {
   CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
@@ -498,25 +379,6 @@ CPVT_WordRange CPWL_Edit::GetSelectWordRange() const {
   return CPVT_WordRange();
 }
 
-CFX_ByteString CPWL_Edit::GetTextAppearanceStream(
-    const CFX_PointF& ptOffset) const {
-  std::ostringstream sRet;
-  CFX_ByteString sEdit = CPWL_Utils::GetEditAppStream(m_pEdit.get(), ptOffset);
-  if (sEdit.GetLength() > 0) {
-    sRet << "BT\n"
-         << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEdit << "ET\n";
-  }
-  return CFX_ByteString(sRet);
-}
-
-CFX_ByteString CPWL_Edit::GetCaretAppearanceStream(
-    const CFX_PointF& ptOffset) const {
-  if (m_pEditCaret)
-    return m_pEditCaret->GetCaretAppearanceStream(ptOffset);
-
-  return CFX_ByteString();
-}
-
 CFX_PointF CPWL_Edit::GetWordRightBottomPoint(const CPVT_WordPlace& wpWord) {
   CFX_Edit_Iterator* pIterator = m_pEdit->GetIterator();
   CPVT_WordPlace wpOld = pIterator->GetAt();
diff --git a/fpdfsdk/pdfwindow/cpwl_edit.h b/fpdfsdk/pdfwindow/cpwl_edit.h
index ebf556ad71..e3382ffd6f 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit.h
+++ b/fpdfsdk/pdfwindow/cpwl_edit.h
@@ -48,7 +48,6 @@ class CPWL_Edit : public CPWL_EditCtrl {
   void OnCreated() override;
   void RePosChildWnd() override;
   CFX_FloatRect GetClientRect() const override;
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
@@ -81,8 +80,6 @@ class CPWL_Edit : public CPWL_EditCtrl {
   void SetText(const CFX_WideString& csText);
   void ReplaceSel(const CFX_WideString& csText);
 
-  CFX_ByteString GetTextAppearanceStream(const CFX_PointF& ptOffset) const;
-  CFX_ByteString GetCaretAppearanceStream(const CFX_PointF& ptOffset) const;
   CFX_ByteString GetSelectAppearanceStream(const CFX_PointF& ptOffset) const;
 
   bool IsTextFull() const;
diff --git a/fpdfsdk/pdfwindow/cpwl_list_box.cpp b/fpdfsdk/pdfwindow/cpwl_list_box.cpp
index f9fdef0663..05aef01d99 100644
--- a/fpdfsdk/pdfwindow/cpwl_list_box.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_list_box.cpp
@@ -94,54 +94,6 @@ void CPWL_ListBox::OnDestroy() {
   m_pListNotify.reset();
 }
 
-void CPWL_ListBox::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(psAppStream);
-
-  std::ostringstream sListItems;
-
-  CFX_FloatRect rcPlate = m_pList->GetPlateRect();
-  for (int32_t i = 0, sz = m_pList->GetCount(); i < sz; i++) {
-    CFX_FloatRect rcItem = m_pList->GetItemRect(i);
-
-    if (rcItem.bottom > rcPlate.top || rcItem.top < rcPlate.bottom)
-      continue;
-
-    CFX_PointF ptOffset(rcItem.left, (rcItem.top + rcItem.bottom) * 0.5f);
-    if (m_pList->IsItemSelected(i)) {
-      sListItems << CPWL_Utils::GetRectFillAppStream(rcItem,
-                                                     PWL_DEFAULT_SELBACKCOLOR);
-      CFX_ByteString sItem =
-          CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
-      if (sItem.GetLength() > 0) {
-        sListItems << "BT\n"
-                   << CPWL_Utils::GetColorAppStream(
-                          CFX_Color(COLORTYPE_RGB, 1, 1, 1))
-                   << sItem << "ET\n";
-      }
-    } else {
-      CFX_ByteString sItem =
-          CPWL_Utils::GetEditAppStream(m_pList->GetItemEdit(i), ptOffset);
-      if (sItem.GetLength() > 0) {
-        sListItems << "BT\n"
-                   << CPWL_Utils::GetColorAppStream(GetTextColor()) << sItem
-                   << "ET\n";
-      }
-    }
-  }
-
-  if (sListItems.tellp() <= 0)
-    return;
-
-  CFX_FloatRect rcClient = GetClientRect();
-  *psAppStream << "/Tx BMC\n"
-               << "q\n"
-               << rcClient.left << " " << rcClient.bottom << " "
-               << rcClient.right - rcClient.left << " "
-               << rcClient.top - rcClient.bottom << " re W n\n"
-               << sListItems.str() << "Q\n"
-               << "EMC\n";
-}
-
 void CPWL_ListBox::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                       CFX_Matrix* pUser2Device) {
   CPWL_Wnd::DrawThisAppearance(pDevice, pUser2Device);
diff --git a/fpdfsdk/pdfwindow/cpwl_list_box.h b/fpdfsdk/pdfwindow/cpwl_list_box.h
index f5835a1d9c..8bc7651ada 100644
--- a/fpdfsdk/pdfwindow/cpwl_list_box.h
+++ b/fpdfsdk/pdfwindow/cpwl_list_box.h
@@ -48,7 +48,6 @@ class CPWL_ListBox : public CPWL_Wnd {
   CFX_ByteString GetClassName() const override;
   void OnCreated() override;
   void OnDestroy() override;
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   bool OnKeyDown(uint16_t nChar, uint32_t nFlag) override;
diff --git a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp b/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
index ca637600f7..537e51c010 100644
--- a/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_scroll_bar.cpp
@@ -136,64 +136,6 @@ void CPWL_SBButton::OnCreate(PWL_CREATEPARAM& cp) {
   cp.eCursorType = FXCT_ARROW;
 }
 
-void CPWL_SBButton::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CPWL_Wnd::GetThisAppearanceStream(psAppStream);
-
-  if (!IsVisible())
-    return;
-
-  CFX_FloatRect rectWnd = GetWindowRect();
-  if (rectWnd.IsEmpty())
-    return;
-
-  CFX_PointF ptCenter = GetCenterPoint();
-  CFX_PointF pt1;
-  CFX_PointF pt2;
-  CFX_PointF pt3;
-  if (m_eScrollBarType == SBT_HSCROLL) {
-    if (m_eSBButtonType == PSBT_MIN) {
-      pt1 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f, ptCenter.y);
-      pt2 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f,
-                       ptCenter.y + kTriangleHalfLength);
-      pt3 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f,
-                       ptCenter.y - kTriangleHalfLength);
-    } else if (m_eSBButtonType == PSBT_MAX) {
-      pt1 = CFX_PointF(ptCenter.x + kTriangleHalfLength * 0.5f, ptCenter.y);
-      pt2 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f,
-                       ptCenter.y + kTriangleHalfLength);
-      pt3 = CFX_PointF(ptCenter.x - kTriangleHalfLength * 0.5f,
-                       ptCenter.y - kTriangleHalfLength);
-    }
-  } else {
-    if (m_eSBButtonType == PSBT_MIN) {
-      pt1 = CFX_PointF(ptCenter.x - kTriangleHalfLength,
-                       ptCenter.y - kTriangleHalfLength * 0.5f);
-      pt2 = CFX_PointF(ptCenter.x + kTriangleHalfLength,
-                       ptCenter.y - kTriangleHalfLength * 0.5f);
-      pt3 = CFX_PointF(ptCenter.x, ptCenter.y + kTriangleHalfLength * 0.5f);
-    } else if (m_eSBButtonType == PSBT_MAX) {
-      pt1 = CFX_PointF(ptCenter.x - kTriangleHalfLength,
-                       ptCenter.y + kTriangleHalfLength * 0.5f);
-      pt2 = CFX_PointF(ptCenter.x + kTriangleHalfLength,
-                       ptCenter.y + kTriangleHalfLength * 0.5f);
-      pt3 = CFX_PointF(ptCenter.x, ptCenter.y - kTriangleHalfLength * 0.5f);
-    }
-  }
-
-  *psAppStream << "q\n";
-  if (m_eSBButtonType != PSBT_POS) {
-    if (rectWnd.right - rectWnd.left > kTriangleHalfLength * 2 &&
-        rectWnd.top - rectWnd.bottom > kTriangleHalfLength) {
-      *psAppStream << "0 g\n"
-                   << pt1.x << " " << pt1.y << " m\n"
-                   << pt2.x << " " << pt2.y << " l\n"
-                   << pt3.x << " " << pt3.y << " l\n"
-                   << pt1.x << " " << pt1.y << " l f\n";
-    }
-  }
-  *psAppStream << "Q\n";
-}
-
 void CPWL_SBButton::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                        CFX_Matrix* pUser2Device) {
   if (!IsVisible())
@@ -461,20 +403,6 @@ void CPWL_ScrollBar::RePosChildWnd() {
   MovePosButton(false);
 }
 
-void CPWL_ScrollBar::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CFX_FloatRect rectWnd = GetWindowRect();
-
-  if (!IsVisible() || rectWnd.IsEmpty())
-    return;
-
-  *psAppStream << "q\n"
-               << "0 w\n"
-               << CPWL_Utils::GetColorAppStream(GetBackgroundColor(), true)
-               << rectWnd.left << " " << rectWnd.bottom << " "
-               << rectWnd.right - rectWnd.left << " "
-               << rectWnd.top - rectWnd.bottom << " re b Q\n";
-}
-
 void CPWL_ScrollBar::DrawThisAppearance(CFX_RenderDevice* pDevice,
                                         CFX_Matrix* pUser2Device) {
   CFX_FloatRect rectWnd = GetWindowRect();
diff --git a/fpdfsdk/pdfwindow/cpwl_scroll_bar.h b/fpdfsdk/pdfwindow/cpwl_scroll_bar.h
index d9bf835669..f9887e5610 100644
--- a/fpdfsdk/pdfwindow/cpwl_scroll_bar.h
+++ b/fpdfsdk/pdfwindow/cpwl_scroll_bar.h
@@ -51,7 +51,6 @@ class CPWL_SBButton : public CPWL_Wnd {
   // CPWL_Wnd
   CFX_ByteString GetClassName() const override;
   void OnCreate(PWL_CREATEPARAM& cp) override;
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
@@ -126,7 +125,6 @@ class CPWL_ScrollBar : public CPWL_Wnd {
   void OnCreate(PWL_CREATEPARAM& cp) override;
   void OnDestroy() override;
   void RePosChildWnd() override;
-  void GetThisAppearanceStream(std::ostringstream* psAppStream) override;
   void DrawThisAppearance(CFX_RenderDevice* pDevice,
                           CFX_Matrix* pUser2Device) override;
   bool OnLButtonDown(const CFX_PointF& point, uint32_t nFlag) override;
diff --git a/fpdfsdk/pdfwindow/cpwl_wnd.cpp b/fpdfsdk/pdfwindow/cpwl_wnd.cpp
index d3ff2a5743..8862fc4c8b 100644
--- a/fpdfsdk/pdfwindow/cpwl_wnd.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_wnd.cpp
@@ -245,39 +245,6 @@ void CPWL_Wnd::InvalidateRectMove(const CFX_FloatRect& rcOld,
   InvalidateRect(&rcUnion);
 }
 
-void CPWL_Wnd::GetAppearanceStream(std::ostringstream* psAppStream) {
-  if (IsValid() && IsVisible()) {
-    GetThisAppearanceStream(psAppStream);
-    GetChildAppearanceStream(psAppStream);
-  }
-}
-
-// if don't set,Get default apperance stream
-void CPWL_Wnd::GetThisAppearanceStream(std::ostringstream* psAppStream) {
-  CFX_FloatRect rectWnd = GetWindowRect();
-  if (rectWnd.IsEmpty())
-    return;
-
-  if (HasFlag(PWS_BACKGROUND))
-    *psAppStream << CPWL_Utils::GetRectFillAppStream(rectWnd,
-                                                     GetBackgroundColor());
-
-  if (HasFlag(PWS_BORDER)) {
-    *psAppStream << CPWL_Utils::GetBorderAppStream(
-        rectWnd, (float)GetBorderWidth(), GetBorderColor(),
-        GetBorderLeftTopColor(GetBorderStyle()),
-        GetBorderRightBottomColor(GetBorderStyle()), GetBorderStyle(),
-        GetBorderDash());
-  }
-}
-
-void CPWL_Wnd::GetChildAppearanceStream(std::ostringstream* psAppStream) {
-  for (CPWL_Wnd* pChild : m_Children) {
-    if (pChild)
-      pChild->GetAppearanceStream(psAppStream);
-  }
-}
-
 void CPWL_Wnd::DrawAppearance(CFX_RenderDevice* pDevice,
                               CFX_Matrix* pUser2Device) {
   if (IsValid() && IsVisible()) {
diff --git a/fpdfsdk/pdfwindow/cpwl_wnd.h b/fpdfsdk/pdfwindow/cpwl_wnd.h
index 2b76a058fe..dfe5dc0ab0 100644
--- a/fpdfsdk/pdfwindow/cpwl_wnd.h
+++ b/fpdfsdk/pdfwindow/cpwl_wnd.h
@@ -274,7 +274,6 @@ class CPWL_Wnd : public CPWL_TimerHandler {
 
   virtual void CreateChildWnd(const PWL_CREATEPARAM& cp);
   virtual void RePosChildWnd();
-  virtual void GetThisAppearanceStream(std::ostringstream* psAppStream);
 
   virtual void DrawThisAppearance(CFX_RenderDevice* pDevice,
                                   CFX_Matrix* pUser2Device);
@@ -286,7 +285,6 @@ class CPWL_Wnd : public CPWL_TimerHandler {
   virtual void OnSetFocus();
   virtual void OnKillFocus();
 
-  void GetAppearanceStream(std::ostringstream* psAppStream);
   void SetNotifyFlag(bool bNotifying = true) { m_bNotifying = bNotifying; }
 
   bool IsValid() const;
@@ -308,7 +306,6 @@ class CPWL_Wnd : public CPWL_TimerHandler {
   CFX_PointF ParentToChild(const CFX_PointF& point) const;
   CFX_FloatRect ParentToChild(const CFX_FloatRect& rect) const;
 
-  void GetChildAppearanceStream(std::ostringstream* psAppStream);
   void DrawChildAppearance(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device);
 
   FX_RECT PWLtoWnd(const CFX_FloatRect& rect) const;