Move core/include/fpdfapi/fpdf_pageobj.h into core/fpdfapi.

This CL splits the file into individual classes and moves them into
core/fpdfapi/fpdf_page as needed.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1811053002 .

68 files changed, 2073 insertions, 1516 deletions

diff --git a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
index a09aa1f9b3..20211f27f7 100644
--- a/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
+++ b/core/fpdfapi/fpdf_edit/cpdf_pagecontentgenerator.cpp
@@ -7,7 +7,9 @@
 #include "core/fpdfapi/fpdf_edit/include/cpdf_pagecontentgenerator.h"
 
 #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index da3c18fc3f..41bb99defc 100644
--- a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -16,6 +16,8 @@
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_parser.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
 #include "core/fpdfapi/fpdf_parser/include/fpdf_parser_decode.h"
 #include "core/fpdfapi/fpdf_parser/ipdf_crypto_handler.h"
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
index fde9c693e6..42315dad53 100644
--- a/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_doc.cpp
@@ -6,6 +6,7 @@
 
 #include <limits.h>
 
+#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
@@ -1142,8 +1143,7 @@ void CPDF_Document::DeletePage(int iPage) {
   }
   m_PageList.RemoveAt(iPage);
 }
-CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict,
-                                 const CFX_ByteStringC& name);
+
 void FPDFAPI_FlatPageAttr(CPDF_Dictionary* pPageDict,
                           const CFX_ByteStringC& name) {
   if (pPageDict->KeyExist(name)) {
diff --git a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
index 7be92f956b..2132457c1c 100644
--- a/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
+++ b/core/fpdfapi/fpdf_edit/include/cpdf_creator.h
@@ -7,8 +7,12 @@
 #ifndef CORE_FPDFAPI_FPDF_EDIT_INCLUDE_CPDF_CREATOR_H_
 #define CORE_FPDFAPI_FPDF_EDIT_INCLUDE_CPDF_CREATOR_H_
 
-#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/include/fxcrt/fx_basic.h"
 
+class CPDF_Array;
+class CPDF_Dictionary;
+class CPDF_Document;
+class CPDF_Object;
 class CPDF_Parser;
 class CPDF_XRefStream;
 class IPDF_CryptoHandler;
diff --git a/core/fpdfapi/fpdf_font/fpdf_font.cpp b/core/fpdfapi/fpdf_font/fpdf_font.cpp
index 5e9b0edfa0..0f58bcba09 100644
--- a/core/fpdfapi/fpdf_font/fpdf_font.cpp
+++ b/core/fpdfapi/fpdf_font/fpdf_font.cpp
@@ -15,7 +15,6 @@
 #include "core/fpdfapi/fpdf_parser/include/cpdf_number.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_simple_parser.h"
 #include "core/fpdfapi/include/cpdf_modulemgr.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_resource.h"
 #include "core/include/fxcrt/fx_ext.h"
 #include "core/include/fxge/fx_freetype.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_allstates.cpp b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp
new file mode 100644
index 0000000000..96ccc77f81
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_allstates.cpp
@@ -0,0 +1,185 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_allstates.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+
+namespace {
+
+FX_FLOAT ClipFloat(FX_FLOAT f) {
+  return std::max(0.0f, std::min(1.0f, f));
+}
+
+}  // namespace
+
+CPDF_AllStates::CPDF_AllStates() {
+  m_TextX = m_TextY = m_TextLineX = m_TextLineY = 0;
+  m_TextLeading = 0;
+  m_TextRise = 0;
+  m_TextHorzScale = 1.0f;
+}
+
+CPDF_AllStates::~CPDF_AllStates() {}
+
+void CPDF_AllStates::Copy(const CPDF_AllStates& src) {
+  CopyStates(src);
+  m_TextMatrix.Copy(src.m_TextMatrix);
+  m_ParentMatrix.Copy(src.m_ParentMatrix);
+  m_CTM.Copy(src.m_CTM);
+  m_TextX = src.m_TextX;
+  m_TextY = src.m_TextY;
+  m_TextLineX = src.m_TextLineX;
+  m_TextLineY = src.m_TextLineY;
+  m_TextLeading = src.m_TextLeading;
+  m_TextRise = src.m_TextRise;
+  m_TextHorzScale = src.m_TextHorzScale;
+}
+
+void CPDF_AllStates::SetLineDash(CPDF_Array* pArray,
+                                 FX_FLOAT phase,
+                                 FX_FLOAT scale) {
+  CFX_GraphStateData* pData = m_GraphState.GetModify();
+  pData->m_DashPhase = phase * scale;
+  pData->SetDashCount(pArray->GetCount());
+  for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
+    pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale;
+  }
+}
+
+void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS,
+                                  CPDF_StreamContentParser* pParser) {
+  CPDF_GeneralStateData* pGeneralState = m_GeneralState.GetModify();
+  for (const auto& it : *pGS) {
+    const CFX_ByteString& key_str = it.first;
+    CPDF_Object* pElement = it.second;
+    CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr;
+    if (!pObject)
+      continue;
+
+    FX_DWORD key = key_str.GetID();
+    switch (key) {
+      case FXBSTR_ID('L', 'W', 0, 0):
+        m_GraphState.GetModify()->m_LineWidth = pObject->GetNumber();
+        break;
+      case FXBSTR_ID('L', 'C', 0, 0):
+        m_GraphState.GetModify()->m_LineCap =
+            (CFX_GraphStateData::LineCap)pObject->GetInteger();
+        break;
+      case FXBSTR_ID('L', 'J', 0, 0):
+        m_GraphState.GetModify()->m_LineJoin =
+            (CFX_GraphStateData::LineJoin)pObject->GetInteger();
+        break;
+      case FXBSTR_ID('M', 'L', 0, 0):
+        m_GraphState.GetModify()->m_MiterLimit = pObject->GetNumber();
+        break;
+      case FXBSTR_ID('D', 0, 0, 0): {
+        CPDF_Array* pDash = pObject->AsArray();
+        if (!pDash)
+          break;
+
+        CPDF_Array* pArray = pDash->GetArrayAt(0);
+        if (!pArray)
+          break;
+
+        SetLineDash(pArray, pDash->GetNumberAt(1), 1.0f);
+        break;
+      }
+      case FXBSTR_ID('R', 'I', 0, 0):
+        m_GeneralState.SetRenderIntent(pObject->GetString());
+        break;
+      case FXBSTR_ID('F', 'o', 'n', 't'): {
+        CPDF_Array* pFont = pObject->AsArray();
+        if (!pFont)
+          break;
+
+        m_TextState.GetModify()->m_FontSize = pFont->GetNumberAt(1);
+        m_TextState.SetFont(pParser->FindFont(pFont->GetStringAt(0)));
+        break;
+      }
+      case FXBSTR_ID('T', 'R', 0, 0):
+        if (pGS->KeyExist("TR2")) {
+          continue;
+        }
+      case FXBSTR_ID('T', 'R', '2', 0):
+        pGeneralState->m_pTR =
+            (pObject && !pObject->IsName()) ? pObject : nullptr;
+        break;
+      case FXBSTR_ID('B', 'M', 0, 0): {
+        CPDF_Array* pArray = pObject->AsArray();
+        CFX_ByteString mode =
+            pArray ? pArray->GetStringAt(0) : pObject->GetString();
+
+        pGeneralState->SetBlendMode(mode);
+        if (pGeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) {
+          pParser->GetPageObjectHolder()->SetBackgroundAlphaNeeded(TRUE);
+        }
+        break;
+      }
+      case FXBSTR_ID('S', 'M', 'a', 's'):
+        if (ToDictionary(pObject)) {
+          pGeneralState->m_pSoftMask = pObject;
+          FXSYS_memcpy(pGeneralState->m_SMaskMatrix,
+                       &pParser->GetCurStates()->m_CTM, sizeof(CFX_Matrix));
+        } else {
+          pGeneralState->m_pSoftMask = NULL;
+        }
+        break;
+      case FXBSTR_ID('C', 'A', 0, 0):
+        pGeneralState->m_StrokeAlpha = ClipFloat(pObject->GetNumber());
+        break;
+      case FXBSTR_ID('c', 'a', 0, 0):
+        pGeneralState->m_FillAlpha = ClipFloat(pObject->GetNumber());
+        break;
+      case FXBSTR_ID('O', 'P', 0, 0):
+        pGeneralState->m_StrokeOP = pObject->GetInteger();
+        if (!pGS->KeyExist("op")) {
+          pGeneralState->m_FillOP = pObject->GetInteger();
+        }
+        break;
+      case FXBSTR_ID('o', 'p', 0, 0):
+        pGeneralState->m_FillOP = pObject->GetInteger();
+        break;
+      case FXBSTR_ID('O', 'P', 'M', 0):
+        pGeneralState->m_OPMode = pObject->GetInteger();
+        break;
+      case FXBSTR_ID('B', 'G', 0, 0):
+        if (pGS->KeyExist("BG2")) {
+          continue;
+        }
+      case FXBSTR_ID('B', 'G', '2', 0):
+        pGeneralState->m_pBG = pObject;
+        break;
+      case FXBSTR_ID('U', 'C', 'R', 0):
+        if (pGS->KeyExist("UCR2")) {
+          continue;
+        }
+      case FXBSTR_ID('U', 'C', 'R', '2'):
+        pGeneralState->m_pUCR = pObject;
+        break;
+      case FXBSTR_ID('H', 'T', 0, 0):
+        pGeneralState->m_pHT = pObject;
+        break;
+      case FXBSTR_ID('F', 'L', 0, 0):
+        pGeneralState->m_Flatness = pObject->GetNumber();
+        break;
+      case FXBSTR_ID('S', 'M', 0, 0):
+        pGeneralState->m_Smoothness = pObject->GetNumber();
+        break;
+      case FXBSTR_ID('S', 'A', 0, 0):
+        pGeneralState->m_StrokeAdjust = pObject->GetInteger();
+        break;
+      case FXBSTR_ID('A', 'I', 'S', 0):
+        pGeneralState->m_AlphaSource = pObject->GetInteger();
+        break;
+      case FXBSTR_ID('T', 'K', 0, 0):
+        pGeneralState->m_TextKnockout = pObject->GetInteger();
+        break;
+    }
+  }
+  pGeneralState->m_Matrix = m_CTM;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_allstates.h b/core/fpdfapi/fpdf_page/cpdf_allstates.h
new file mode 100644
index 0000000000..700072f26c
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_allstates.h
@@ -0,0 +1,39 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_ALLSTATES_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_ALLSTATES_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Array;
+class CPDF_Dictionary;
+class CPDF_StreamContentParser;
+
+class CPDF_AllStates : public CPDF_GraphicStates {
+ public:
+  CPDF_AllStates();
+  ~CPDF_AllStates();
+
+  void Copy(const CPDF_AllStates& src);
+  void ProcessExtGS(CPDF_Dictionary* pGS, CPDF_StreamContentParser* pParser);
+  void SetLineDash(CPDF_Array*, FX_FLOAT, FX_FLOAT scale);
+
+  CFX_Matrix m_TextMatrix;
+  CFX_Matrix m_CTM;
+  CFX_Matrix m_ParentMatrix;
+  FX_FLOAT m_TextX;
+  FX_FLOAT m_TextY;
+  FX_FLOAT m_TextLineX;
+  FX_FLOAT m_TextLineY;
+  FX_FLOAT m_TextLeading;
+  FX_FLOAT m_TextRise;
+  FX_FLOAT m_TextHorzScale;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_ALLSTATES_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_clippath.cpp b/core/fpdfapi/fpdf_page/cpdf_clippath.cpp
new file mode 100644
index 0000000000..3a3300ae2f
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_clippath.cpp
@@ -0,0 +1,131 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
+
+#define FPDF_CLIPPATH_MAX_TEXTS 1024
+
+CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
+  CFX_FloatRect rect;
+  FX_BOOL bStarted = FALSE;
+  int count = GetPathCount();
+  if (count) {
+    rect = GetPath(0).GetBoundingBox();
+    for (int i = 1; i < count; i++) {
+      CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
+      rect.Intersect(path_rect);
+    }
+    bStarted = TRUE;
+  }
+  count = GetTextCount();
+  if (count) {
+    CFX_FloatRect layer_rect;
+    FX_BOOL bLayerStarted = FALSE;
+    for (int i = 0; i < count; i++) {
+      CPDF_TextObject* pTextObj = GetText(i);
+      if (!pTextObj) {
+        if (!bStarted) {
+          rect = layer_rect;
+          bStarted = TRUE;
+        } else {
+          rect.Intersect(layer_rect);
+        }
+        bLayerStarted = FALSE;
+      } else {
+        if (!bLayerStarted) {
+          layer_rect = CFX_FloatRect(pTextObj->GetBBox(nullptr));
+          bLayerStarted = TRUE;
+        } else {
+          layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr)));
+        }
+      }
+    }
+  }
+  return rect;
+}
+
+void CPDF_ClipPath::AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge) {
+  CPDF_ClipPathData* pData = GetModify();
+  if (pData->m_PathCount && bAutoMerge) {
+    CPDF_Path old_path = pData->m_pPathList[pData->m_PathCount - 1];
+    if (old_path.IsRect()) {
+      CFX_FloatRect old_rect(old_path.GetPointX(0), old_path.GetPointY(0),
+                             old_path.GetPointX(2), old_path.GetPointY(2));
+      CFX_FloatRect new_rect = path.GetBoundingBox();
+      if (old_rect.Contains(new_rect)) {
+        pData->m_PathCount--;
+        pData->m_pPathList[pData->m_PathCount].SetNull();
+      }
+    }
+  }
+  if (pData->m_PathCount % 8 == 0) {
+    CPDF_Path* pNewPath = new CPDF_Path[pData->m_PathCount + 8];
+    for (int i = 0; i < pData->m_PathCount; i++) {
+      pNewPath[i] = pData->m_pPathList[i];
+    }
+    delete[] pData->m_pPathList;
+    uint8_t* pNewType = FX_Alloc(uint8_t, pData->m_PathCount + 8);
+    FXSYS_memcpy(pNewType, pData->m_pTypeList, pData->m_PathCount);
+    FX_Free(pData->m_pTypeList);
+    pData->m_pPathList = pNewPath;
+    pData->m_pTypeList = pNewType;
+  }
+  pData->m_pPathList[pData->m_PathCount] = path;
+  pData->m_pTypeList[pData->m_PathCount] = (uint8_t)type;
+  pData->m_PathCount++;
+}
+
+void CPDF_ClipPath::DeletePath(int index) {
+  CPDF_ClipPathData* pData = GetModify();
+  if (index >= pData->m_PathCount) {
+    return;
+  }
+  pData->m_pPathList[index].SetNull();
+  for (int i = index; i < pData->m_PathCount - 1; i++) {
+    pData->m_pPathList[i] = pData->m_pPathList[i + 1];
+  }
+  pData->m_pPathList[pData->m_PathCount - 1].SetNull();
+  FXSYS_memmove(pData->m_pTypeList + index, pData->m_pTypeList + index + 1,
+                pData->m_PathCount - index - 1);
+  pData->m_PathCount--;
+}
+
+void CPDF_ClipPath::AppendTexts(CPDF_TextObject** pTexts, int count) {
+  CPDF_ClipPathData* pData = GetModify();
+  if (pData->m_TextCount + count > FPDF_CLIPPATH_MAX_TEXTS) {
+    for (int i = 0; i < count; i++) {
+      delete pTexts[i];
+    }
+    return;
+  }
+  CPDF_TextObject** pNewList =
+      FX_Alloc(CPDF_TextObject*, pData->m_TextCount + count + 1);
+  if (pData->m_pTextList) {
+    FXSYS_memcpy(pNewList, pData->m_pTextList,
+                 pData->m_TextCount * sizeof(CPDF_TextObject*));
+    FX_Free(pData->m_pTextList);
+  }
+  pData->m_pTextList = pNewList;
+  for (int i = 0; i < count; i++) {
+    pData->m_pTextList[pData->m_TextCount + i] = pTexts[i];
+  }
+  pData->m_pTextList[pData->m_TextCount + count] = NULL;
+  pData->m_TextCount += count + 1;
+}
+
+void CPDF_ClipPath::Transform(const CFX_Matrix& matrix) {
+  CPDF_ClipPathData* pData = GetModify();
+  int i;
+  for (i = 0; i < pData->m_PathCount; i++) {
+    pData->m_pPathList[i].Transform(&matrix);
+  }
+  for (i = 0; i < pData->m_TextCount; i++)
+    if (pData->m_pTextList[i]) {
+      pData->m_pTextList[i]->Transform(matrix);
+    }
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp b/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp
new file mode 100644
index 0000000000..e6a5227269
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_clippathdata.cpp
@@ -0,0 +1,77 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_clippathdata.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_path.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
+
+CPDF_ClipPathData::CPDF_ClipPathData()
+    : m_PathCount(0),
+      m_pPathList(nullptr),
+      m_pTypeList(nullptr),
+      m_TextCount(0),
+      m_pTextList(nullptr) {}
+
+CPDF_ClipPathData::~CPDF_ClipPathData() {
+  delete[] m_pPathList;
+  FX_Free(m_pTypeList);
+
+  for (int i = m_TextCount - 1; i > -1; i--)
+    delete m_pTextList[i];
+  FX_Free(m_pTextList);
+}
+
+CPDF_ClipPathData::CPDF_ClipPathData(const CPDF_ClipPathData& src) {
+  m_pPathList = nullptr;
+  m_pPathList = nullptr;
+  m_pTextList = nullptr;
+
+  m_PathCount = src.m_PathCount;
+  if (m_PathCount) {
+    int alloc_size = m_PathCount;
+    if (alloc_size % 8)
+      alloc_size += 8 - (alloc_size % 8);
+
+    m_pPathList = new CPDF_Path[alloc_size];
+    for (int i = 0; i < m_PathCount; i++)
+      m_pPathList[i] = src.m_pPathList[i];
+
+    m_pTypeList = FX_Alloc(uint8_t, alloc_size);
+    FXSYS_memcpy(m_pTypeList, src.m_pTypeList, m_PathCount);
+  } else {
+    m_pPathList = nullptr;
+    m_pTypeList = nullptr;
+  }
+
+  m_TextCount = src.m_TextCount;
+  if (m_TextCount) {
+    m_pTextList = FX_Alloc(CPDF_TextObject*, m_TextCount);
+    for (int i = 0; i < m_TextCount; i++) {
+      if (src.m_pTextList[i])
+        m_pTextList[i] = src.m_pTextList[i]->Clone();
+      else
+        m_pTextList[i] = nullptr;
+    }
+  } else {
+    m_pTextList = nullptr;
+  }
+}
+
+void CPDF_ClipPathData::SetCount(int path_count, int text_count) {
+  ASSERT(m_TextCount == 0 && m_PathCount == 0);
+  if (path_count) {
+    m_PathCount = path_count;
+    int alloc_size = (path_count + 7) / 8 * 8;
+    m_pPathList = new CPDF_Path[alloc_size];
+    m_pTypeList = FX_Alloc(uint8_t, alloc_size);
+  }
+
+  if (text_count) {
+    m_TextCount = text_count;
+    m_pTextList = FX_Alloc(CPDF_TextObject*, text_count);
+  }
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_clippathdata.h b/core/fpdfapi/fpdf_page/cpdf_clippathdata.h
new file mode 100644
index 0000000000..05a247f753
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_clippathdata.h
@@ -0,0 +1,30 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_
+
+#include <stdint.h>
+
+class CPDF_Path;
+class CPDF_TextObject;
+
+class CPDF_ClipPathData {
+ public:
+  CPDF_ClipPathData();
+  CPDF_ClipPathData(const CPDF_ClipPathData&);
+  ~CPDF_ClipPathData();
+
+  void SetCount(int path_count, int text_count);
+
+  int m_PathCount;
+  CPDF_Path* m_pPathList;
+  uint8_t* m_pTypeList;
+  int m_TextCount;
+  CPDF_TextObject** m_pTextList;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_CLIPPATHDATA_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
new file mode 100644
index 0000000000..02999c9d13
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp
@@ -0,0 +1,70 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_colorstate.h"
+
+void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS,
+                                   FX_FLOAT* pValue,
+                                   int nValues) {
+  CPDF_ColorStateData* pData = GetModify();
+  SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues);
+}
+
+void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS,
+                                     FX_FLOAT* pValue,
+                                     int nValues) {
+  CPDF_ColorStateData* pData = GetModify();
+  SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues);
+}
+
+void CPDF_ColorState::SetColor(CPDF_Color& color,
+                               FX_DWORD& rgb,
+                               CPDF_ColorSpace* pCS,
+                               FX_FLOAT* pValue,
+                               int nValues) {
+  if (pCS) {
+    color.SetColorSpace(pCS);
+  } else if (color.IsNull()) {
+    color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+  }
+  if (color.m_pCS->CountComponents() > nValues) {
+    return;
+  }
+  color.SetValue(pValue);
+  int R, G, B;
+  rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
+}
+
+void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
+                                     FX_FLOAT* pValue,
+                                     int nValues) {
+  CPDF_ColorStateData* pData = GetModify();
+  pData->m_FillColor.SetValue(pPattern, pValue, nValues);
+  int R, G, B;
+  FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B);
+  if (pPattern->m_PatternType == 1 &&
+      ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
+    pData->m_FillRGB = 0x00BFBFBF;
+    return;
+  }
+  pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
+}
+
+void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern,
+                                       FX_FLOAT* pValue,
+                                       int nValues) {
+  CPDF_ColorStateData* pData = GetModify();
+  pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
+  int R, G, B;
+  FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B);
+  if (pPattern->m_PatternType == 1 &&
+      ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
+    pData->m_StrokeRGB = 0x00BFBFBF;
+    return;
+  }
+  pData->m_StrokeRGB =
+      pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.h b/core/fpdfapi/fpdf_page/cpdf_colorstate.h
new file mode 100644
index 0000000000..77a506e1b4
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.h
@@ -0,0 +1,41 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATE_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h"
+#include "core/include/fxcrt/fx_basic.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Color;
+class CPDF_ColorSpace;
+class CPDF_Pattern;
+
+class CPDF_ColorState : public CFX_CountRef<CPDF_ColorStateData> {
+ public:
+  CPDF_Color* GetFillColor() const {
+    return m_pObject ? &m_pObject->m_FillColor : nullptr;
+  }
+
+  CPDF_Color* GetStrokeColor() const {
+    return m_pObject ? &m_pObject->m_StrokeColor : nullptr;
+  }
+
+  void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
+  void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
+  void SetFillPattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
+  void SetStrokePattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
+
+ private:
+  void SetColor(CPDF_Color& color,
+                FX_DWORD& rgb,
+                CPDF_ColorSpace* pCS,
+                FX_FLOAT* pValue,
+                int nValues);
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATE_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp
new file mode 100644
index 0000000000..9dbcdec267
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.cpp
@@ -0,0 +1,20 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h"
+
+CPDF_ColorStateData::CPDF_ColorStateData(const CPDF_ColorStateData& src) {
+  m_FillColor.Copy(&src.m_FillColor);
+  m_FillRGB = src.m_FillRGB;
+  m_StrokeColor.Copy(&src.m_StrokeColor);
+  m_StrokeRGB = src.m_StrokeRGB;
+}
+
+void CPDF_ColorStateData::Default() {
+  m_FillRGB = m_StrokeRGB = 0;
+  m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+  m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
new file mode 100644
index 0000000000..304410b553
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_colorstatedata.h
@@ -0,0 +1,26 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
+
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_ColorStateData {
+ public:
+  CPDF_ColorStateData() : m_FillRGB(0), m_StrokeRGB(0) {}
+  CPDF_ColorStateData(const CPDF_ColorStateData& src);
+
+  void Default();
+
+  CPDF_Color m_FillColor;
+  FX_DWORD m_FillRGB;
+  CPDF_Color m_StrokeColor;
+  FX_DWORD m_StrokeRGB;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_COLORSTATEDATA_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp b/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp
new file mode 100644
index 0000000000..6e85d2940f
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmark.cpp
@@ -0,0 +1,38 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmark.h"
+
+FX_BOOL CPDF_ContentMark::HasMark(const CFX_ByteStringC& mark) const {
+  if (!m_pObject)
+    return FALSE;
+
+  for (int i = 0; i < m_pObject->CountItems(); i++) {
+    CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
+    if (item.GetName() == mark)
+      return TRUE;
+  }
+  return FALSE;
+}
+
+FX_BOOL CPDF_ContentMark::LookupMark(const CFX_ByteStringC& mark,
+                                     CPDF_Dictionary*& pDict) const {
+  if (!m_pObject)
+    return FALSE;
+
+  for (int i = 0; i < m_pObject->CountItems(); i++) {
+    CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
+    if (item.GetName() == mark) {
+      pDict = nullptr;
+      if (item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict ||
+          item.GetParamType() == CPDF_ContentMarkItem::DirectDict) {
+        pDict = item.GetParam();
+      }
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmark.h b/core/fpdfapi/fpdf_page/cpdf_contentmark.h
new file mode 100644
index 0000000000..35e4a9664b
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmark.h
@@ -0,0 +1,23 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARK_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARK_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmarkdata.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+class CPDF_ContentMark : public CFX_CountRef<CPDF_ContentMarkData> {
+ public:
+  int GetMCID() const { return m_pObject ? m_pObject->GetMCID() : -1; }
+
+  FX_BOOL HasMark(const CFX_ByteStringC& mark) const;
+
+  FX_BOOL LookupMark(const CFX_ByteStringC& mark,
+                     CPDF_Dictionary*& pDict) const;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARK_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.cpp b/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.cpp
new file mode 100644
index 0000000000..076e8ac521
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.cpp
@@ -0,0 +1,51 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmarkdata.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "third_party/base/stl_util.h"
+
+CPDF_ContentMarkData::CPDF_ContentMarkData(const CPDF_ContentMarkData& src)
+    : m_Marks(src.m_Marks) {}
+
+int CPDF_ContentMarkData::CountItems() const {
+  return pdfium::CollectionSize<int>(m_Marks);
+}
+
+int CPDF_ContentMarkData::GetMCID() const {
+  for (const auto& mark : m_Marks) {
+    CPDF_ContentMarkItem::ParamType type = mark.GetParamType();
+    if (type == CPDF_ContentMarkItem::PropertiesDict ||
+        type == CPDF_ContentMarkItem::DirectDict) {
+      CPDF_Dictionary* pDict = mark.GetParam();
+      if (pDict->KeyExist("MCID"))
+        return pDict->GetIntegerBy("MCID");
+    }
+  }
+  return -1;
+}
+
+void CPDF_ContentMarkData::AddMark(const CFX_ByteString& name,
+                                   CPDF_Dictionary* pDict,
+                                   FX_BOOL bDirect) {
+  CPDF_ContentMarkItem item;
+  item.SetName(name);
+  if (pDict) {
+    if (bDirect) {
+      item.SetParam(CPDF_ContentMarkItem::DirectDict,
+                    ToDictionary(pDict->Clone()));
+    } else {
+      item.SetParam(CPDF_ContentMarkItem::PropertiesDict, pDict);
+    }
+  }
+  m_Marks.push_back(item);
+}
+
+void CPDF_ContentMarkData::DeleteLastMark() {
+  if (!m_Marks.empty())
+    m_Marks.pop_back();
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.h b/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.h
new file mode 100644
index 0000000000..4cf859fda9
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmarkdata.h
@@ -0,0 +1,38 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKDATA_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKDATA_H_
+
+#include <vector>
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Dictionary;
+
+class CPDF_ContentMarkData {
+ public:
+  CPDF_ContentMarkData() {}
+  CPDF_ContentMarkData(const CPDF_ContentMarkData& src);
+
+  int CountItems() const;
+  CPDF_ContentMarkItem& GetItem(int index) { return m_Marks[index]; }
+  const CPDF_ContentMarkItem& GetItem(int index) const {
+    return m_Marks[index];
+  }
+
+  int GetMCID() const;
+  void AddMark(const CFX_ByteString& name,
+               CPDF_Dictionary* pDict,
+               FX_BOOL bDictNeedClone);
+  void DeleteLastMark();
+
+ private:
+  std::vector<CPDF_ContentMarkItem> m_Marks;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKDATA_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.cpp b/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.cpp
new file mode 100644
index 0000000000..3b7a60c059
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.cpp
@@ -0,0 +1,36 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+
+CPDF_ContentMarkItem::CPDF_ContentMarkItem() {
+  m_ParamType = None;
+}
+
+CPDF_ContentMarkItem::CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src) {
+  m_MarkName = src.m_MarkName;
+  m_ParamType = src.m_ParamType;
+  if (m_ParamType == DirectDict) {
+    m_pParam = ToDictionary(src.m_pParam->Clone());
+  } else {
+    m_pParam = src.m_pParam;
+  }
+}
+
+CPDF_ContentMarkItem::~CPDF_ContentMarkItem() {
+  if (m_ParamType == DirectDict && m_pParam)
+    m_pParam->Release();
+}
+
+FX_BOOL CPDF_ContentMarkItem::HasMCID() const {
+  if (m_pParam &&
+      (m_ParamType == DirectDict || m_ParamType == PropertiesDict)) {
+    return m_pParam->KeyExist("MCID");
+  }
+  return FALSE;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h b/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h
new file mode 100644
index 0000000000..0a9ca1a04b
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h
@@ -0,0 +1,39 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKITEM_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKITEM_H_
+
+#include "core/include/fxcrt/fx_string.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Dictionary;
+
+class CPDF_ContentMarkItem {
+ public:
+  enum ParamType { None, PropertiesDict, DirectDict };
+
+  CPDF_ContentMarkItem();
+  CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src);
+  ~CPDF_ContentMarkItem();
+
+  const CFX_ByteString& GetName() const { return m_MarkName; }
+  ParamType GetParamType() const { return m_ParamType; }
+  CPDF_Dictionary* GetParam() const { return m_pParam; }
+  FX_BOOL HasMCID() const;
+  void SetName(const CFX_ByteString& name) { m_MarkName = name; }
+  void SetParam(ParamType type, CPDF_Dictionary* param) {
+    m_ParamType = type;
+    m_pParam = param;
+  }
+
+ private:
+  CFX_ByteString m_MarkName;
+  ParamType m_ParamType;
+  CPDF_Dictionary* m_pParam;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_CONTENTMARKITEM_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_form.cpp b/core/fpdfapi/fpdf_page/cpdf_form.cpp
index a1160397fc..403baa2482 100644
--- a/core/fpdfapi/fpdf_page/cpdf_form.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_form.cpp
@@ -6,6 +6,7 @@
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
 
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
diff --git a/core/fpdfapi/fpdf_page/cpdf_formobject.cpp b/core/fpdfapi/fpdf_page/cpdf_formobject.cpp
new file mode 100644
index 0000000000..d85ff7dbb3
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_formobject.cpp
@@ -0,0 +1,38 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+
+CPDF_FormObject::CPDF_FormObject() : m_pForm(nullptr) {}
+
+CPDF_FormObject::~CPDF_FormObject() {
+  delete m_pForm;
+}
+
+void CPDF_FormObject::Transform(const CFX_Matrix& matrix) {
+  m_FormMatrix.Concat(matrix);
+  CalcBoundingBox();
+}
+
+CPDF_FormObject* CPDF_FormObject::Clone() const {
+  CPDF_FormObject* obj = new CPDF_FormObject;
+  obj->CopyData(this);
+
+  obj->m_pForm = m_pForm->Clone();
+  obj->m_FormMatrix = m_FormMatrix;
+  return obj;
+}
+
+void CPDF_FormObject::CalcBoundingBox() {
+  CFX_FloatRect form_rect = m_pForm->CalcBoundingBox();
+  form_rect.Transform(&m_FormMatrix);
+  m_Left = form_rect.left;
+  m_Bottom = form_rect.bottom;
+  m_Right = form_rect.right;
+  m_Top = form_rect.top;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_generalstate.cpp b/core/fpdfapi/fpdf_page/cpdf_generalstate.cpp
new file mode 100644
index 0000000000..11c4dc7701
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_generalstate.cpp
@@ -0,0 +1,29 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_generalstate.h"
+
+namespace {
+
+int RI_StringToId(const CFX_ByteString& ri) {
+  FX_DWORD id = ri.GetID();
+  if (id == FXBSTR_ID('A', 'b', 's', 'o'))
+    return 1;
+
+  if (id == FXBSTR_ID('S', 'a', 't', 'u'))
+    return 2;
+
+  if (id == FXBSTR_ID('P', 'e', 'r', 'c'))
+    return 3;
+
+  return 0;
+}
+
+}  // namespace
+
+void CPDF_GeneralState::SetRenderIntent(const CFX_ByteString& ri) {
+  GetModify()->m_RenderIntent = RI_StringToId(ri);
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp
new file mode 100644
index 0000000000..2e4b5e4dff
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_generalstatedata.cpp
@@ -0,0 +1,95 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/fpdfapi/fpdf_render/render_int.h"
+
+namespace {
+
+static int GetBlendTypeInternal(const CFX_ByteStringC& mode) {
+  switch (mode.GetID()) {
+    case FXBSTR_ID('N', 'o', 'r', 'm'):
+    case FXBSTR_ID('C', 'o', 'm', 'p'):
+      return FXDIB_BLEND_NORMAL;
+    case FXBSTR_ID('M', 'u', 'l', 't'):
+      return FXDIB_BLEND_MULTIPLY;
+    case FXBSTR_ID('S', 'c', 'r', 'e'):
+      return FXDIB_BLEND_SCREEN;
+    case FXBSTR_ID('O', 'v', 'e', 'r'):
+      return FXDIB_BLEND_OVERLAY;
+    case FXBSTR_ID('D', 'a', 'r', 'k'):
+      return FXDIB_BLEND_DARKEN;
+    case FXBSTR_ID('L', 'i', 'g', 'h'):
+      return FXDIB_BLEND_LIGHTEN;
+    case FXBSTR_ID('C', 'o', 'l', 'o'):
+      if (mode.GetLength() == 10)
+        return FXDIB_BLEND_COLORDODGE;
+
+      if (mode.GetLength() == 9)
+        return FXDIB_BLEND_COLORBURN;
+
+      return FXDIB_BLEND_COLOR;
+    case FXBSTR_ID('H', 'a', 'r', 'd'):
+      return FXDIB_BLEND_HARDLIGHT;
+    case FXBSTR_ID('S', 'o', 'f', 't'):
+      return FXDIB_BLEND_SOFTLIGHT;
+    case FXBSTR_ID('D', 'i', 'f', 'f'):
+      return FXDIB_BLEND_DIFFERENCE;
+    case FXBSTR_ID('E', 'x', 'c', 'l'):
+      return FXDIB_BLEND_EXCLUSION;
+    case FXBSTR_ID('H', 'u', 'e', 0):
+      return FXDIB_BLEND_HUE;
+    case FXBSTR_ID('S', 'a', 't', 'u'):
+      return FXDIB_BLEND_SATURATION;
+    case FXBSTR_ID('L', 'u', 'm', 'i'):
+      return FXDIB_BLEND_LUMINOSITY;
+  }
+  return FXDIB_BLEND_NORMAL;
+}
+
+}  // namespace
+
+CPDF_GeneralStateData::CPDF_GeneralStateData() {
+  FXSYS_memset(this, 0, sizeof(CPDF_GeneralStateData));
+  FXSYS_strcpy((FX_CHAR*)m_BlendMode, "Normal");
+  m_StrokeAlpha = 1.0f;
+  m_FillAlpha = 1.0f;
+  m_Flatness = 1.0f;
+  m_Matrix.SetIdentity();
+}
+
+CPDF_GeneralStateData::CPDF_GeneralStateData(const CPDF_GeneralStateData& src) {
+  FXSYS_memcpy(this, &src, sizeof(CPDF_GeneralStateData));
+  if (src.m_pTransferFunc && src.m_pTransferFunc->m_pPDFDoc) {
+    CPDF_DocRenderData* pDocCache =
+        src.m_pTransferFunc->m_pPDFDoc->GetRenderData();
+    if (!pDocCache)
+      return;
+
+    m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR);
+  }
+}
+
+CPDF_GeneralStateData::~CPDF_GeneralStateData() {
+  if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) {
+    CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData();
+    if (!pDocCache)
+      return;
+
+    pDocCache->ReleaseTransferFunc(m_pTR);
+  }
+}
+
+void CPDF_GeneralStateData::SetBlendMode(const CFX_ByteStringC& blend_mode) {
+  if (blend_mode.GetLength() > 15) {
+    return;
+  }
+  FXSYS_memcpy(m_BlendMode, blend_mode.GetPtr(), blend_mode.GetLength());
+  m_BlendMode[blend_mode.GetLength()] = 0;
+  m_BlendType = GetBlendTypeInternal(blend_mode);
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp b/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp
new file mode 100644
index 0000000000..9c540941ce
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_graphicstates.cpp
@@ -0,0 +1,19 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
+
+void CPDF_GraphicStates::DefaultStates() {
+  m_ColorState.New()->Default();
+}
+
+void CPDF_GraphicStates::CopyStates(const CPDF_GraphicStates& src) {
+  m_ClipPath = src.m_ClipPath;
+  m_GraphState = src.m_GraphState;
+  m_ColorState = src.m_ColorState;
+  m_TextState = src.m_TextState;
+  m_GeneralState = src.m_GeneralState;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_graphicstates.h b/core/fpdfapi/fpdf_page/cpdf_graphicstates.h
new file mode 100644
index 0000000000..0add18c910
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_graphicstates.h
@@ -0,0 +1,28 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHICSTATES_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHICSTATES_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_colorstate.h"
+#include "core/fpdfapi/fpdf_page/cpdf_graphstate.h"
+#include "core/fpdfapi/fpdf_page/cpdf_textstate.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_generalstate.h"
+
+class CPDF_GraphicStates {
+ public:
+  void CopyStates(const CPDF_GraphicStates& src);
+  void DefaultStates();
+
+  CPDF_ClipPath m_ClipPath;
+  CPDF_GraphState m_GraphState;
+  CPDF_ColorState m_ColorState;
+  CPDF_TextState m_TextState;
+  CPDF_GeneralState m_GeneralState;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHICSTATES_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_graphstate.h b/core/fpdfapi/fpdf_page/cpdf_graphstate.h
new file mode 100644
index 0000000000..d44d32d31c
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_graphstate.h
@@ -0,0 +1,14 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHSTATE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHSTATE_H_
+
+#include "core/include/fxge/fx_ge.h"
+
+class CPDF_GraphState : public CFX_CountRef<CFX_GraphStateData> {};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_GRAPHSTATE_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp
new file mode 100644
index 0000000000..f339935ecb
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_imageobject.cpp
@@ -0,0 +1,44 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+
+CPDF_ImageObject::CPDF_ImageObject() : m_pImage(nullptr) {}
+
+CPDF_ImageObject::~CPDF_ImageObject() {
+  if (!m_pImage) {
+    return;
+  }
+  if (m_pImage->IsInline() ||
+      (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) {
+    delete m_pImage;
+  } else {
+    m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream());
+  }
+}
+
+CPDF_ImageObject* CPDF_ImageObject::Clone() const {
+  CPDF_ImageObject* obj = new CPDF_ImageObject;
+  obj->CopyData(this);
+
+  obj->m_pImage = m_pImage->Clone();
+  obj->m_Matrix = m_Matrix;
+  return obj;
+}
+
+void CPDF_ImageObject::Transform(const CFX_Matrix& matrix) {
+  m_Matrix.Concat(matrix);
+  CalcBoundingBox();
+}
+
+void CPDF_ImageObject::CalcBoundingBox() {
+  m_Left = m_Bottom = 0;
+  m_Right = m_Top = 1.0f;
+  m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_page.cpp
new file mode 100644
index 0000000000..0da5452969
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_page.cpp
@@ -0,0 +1,185 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_object.h"
+#include "core/fpdfapi/include/cpdf_modulemgr.h"
+#include "core/fpdfapi/ipdf_rendermodule.h"
+
+CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict,
+                                 const CFX_ByteStringC& name) {
+  int level = 0;
+  while (1) {
+    CPDF_Object* pObj = pPageDict->GetElementValue(name);
+    if (pObj) {
+      return pObj;
+    }
+    CPDF_Dictionary* pParent = pPageDict->GetDictBy("Parent");
+    if (!pParent || pParent == pPageDict) {
+      return NULL;
+    }
+    pPageDict = pParent;
+    level++;
+    if (level == 1000) {
+      return NULL;
+    }
+  }
+}
+
+CPDF_Page::CPDF_Page() : m_pPageRender(nullptr) {}
+
+CPDF_Page::~CPDF_Page() {
+  if (m_pPageRender) {
+    IPDF_RenderModule* pModule = CPDF_ModuleMgr::Get()->GetRenderModule();
+    pModule->DestroyPageCache(m_pPageRender);
+  }
+}
+
+void CPDF_Page::Load(CPDF_Document* pDocument,
+                     CPDF_Dictionary* pPageDict,
+                     FX_BOOL bPageCache) {
+  m_pDocument = (CPDF_Document*)pDocument;
+  m_pFormDict = pPageDict;
+  if (bPageCache) {
+    m_pPageRender =
+        CPDF_ModuleMgr::Get()->GetRenderModule()->CreatePageCache(this);
+  }
+  if (!pPageDict) {
+    m_PageWidth = m_PageHeight = 100 * 1.0f;
+    m_pPageResources = m_pResources = NULL;
+    return;
+  }
+  CPDF_Object* pageAttr = GetPageAttr("Resources");
+  m_pResources = pageAttr ? pageAttr->GetDict() : NULL;
+  m_pPageResources = m_pResources;
+  CPDF_Object* pRotate = GetPageAttr("Rotate");
+  int rotate = 0;
+  if (pRotate) {
+    rotate = pRotate->GetInteger() / 90 % 4;
+  }
+  if (rotate < 0) {
+    rotate += 4;
+  }
+  CPDF_Array* pMediaBox = ToArray(GetPageAttr("MediaBox"));
+  CFX_FloatRect mediabox;
+  if (pMediaBox) {
+    mediabox = pMediaBox->GetRect();
+    mediabox.Normalize();
+  }
+  if (mediabox.IsEmpty()) {
+    mediabox = CFX_FloatRect(0, 0, 612, 792);
+  }
+
+  CPDF_Array* pCropBox = ToArray(GetPageAttr("CropBox"));
+  if (pCropBox) {
+    m_BBox = pCropBox->GetRect();
+    m_BBox.Normalize();
+  }
+  if (m_BBox.IsEmpty()) {
+    m_BBox = mediabox;
+  } else {
+    m_BBox.Intersect(mediabox);
+  }
+  if (rotate % 2) {
+    m_PageHeight = m_BBox.right - m_BBox.left;
+    m_PageWidth = m_BBox.top - m_BBox.bottom;
+  } else {
+    m_PageWidth = m_BBox.right - m_BBox.left;
+    m_PageHeight = m_BBox.top - m_BBox.bottom;
+  }
+  switch (rotate) {
+    case 0:
+      m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
+      break;
+    case 1:
+      m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
+      break;
+    case 2:
+      m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
+      break;
+    case 3:
+      m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
+      break;
+  }
+  m_Transparency = PDFTRANS_ISOLATED;
+  LoadTransInfo();
+}
+
+void CPDF_Page::StartParse(CPDF_ParseOptions* pOptions) {
+  if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING) {
+    return;
+  }
+  m_pParser.reset(new CPDF_ContentParser);
+  m_pParser->Start(this, pOptions);
+  m_ParseState = CONTENT_PARSING;
+}
+
+void CPDF_Page::ParseContent(CPDF_ParseOptions* pOptions) {
+  StartParse(pOptions);
+  ContinueParse(nullptr);
+}
+
+CPDF_Object* CPDF_Page::GetPageAttr(const CFX_ByteStringC& name) const {
+  return FPDFAPI_GetPageAttr(m_pFormDict, name);
+}
+
+void CPDF_Page::GetDisplayMatrix(CFX_Matrix& matrix,
+                                 int xPos,
+                                 int yPos,
+                                 int xSize,
+                                 int ySize,
+                                 int iRotate) const {
+  if (m_PageWidth == 0 || m_PageHeight == 0) {
+    return;
+  }
+  CFX_Matrix display_matrix;
+  int x0, y0, x1, y1, x2, y2;
+  iRotate %= 4;
+  switch (iRotate) {
+    case 0:
+      x0 = xPos;
+      y0 = yPos + ySize;
+      x1 = xPos;
+      y1 = yPos;
+      x2 = xPos + xSize;
+      y2 = yPos + ySize;
+      break;
+    case 1:
+      x0 = xPos;
+      y0 = yPos;
+      x1 = xPos + xSize;
+      y1 = yPos;
+      x2 = xPos;
+      y2 = yPos + ySize;
+      break;
+    case 2:
+      x0 = xPos + xSize;
+      y0 = yPos;
+      x1 = xPos + xSize;
+      y1 = yPos + ySize;
+      x2 = xPos;
+      y2 = yPos;
+      break;
+    case 3:
+      x0 = xPos + xSize;
+      y0 = yPos + ySize;
+      x1 = xPos;
+      y1 = yPos + ySize;
+      x2 = xPos + xSize;
+      y2 = yPos;
+      break;
+  }
+  display_matrix.Set(
+      ((FX_FLOAT)(x2 - x0)) / m_PageWidth, ((FX_FLOAT)(y2 - y0)) / m_PageWidth,
+      ((FX_FLOAT)(x1 - x0)) / m_PageHeight,
+      ((FX_FLOAT)(y1 - y0)) / m_PageHeight, (FX_FLOAT)x0, (FX_FLOAT)y0);
+  matrix = m_PageMatrix;
+  matrix.Concat(display_matrix);
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobject.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobject.cpp
new file mode 100644
index 0000000000..ee6615e2e7
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_pageobject.cpp
@@ -0,0 +1,43 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+
+CPDF_PageObject::CPDF_PageObject() {}
+
+CPDF_PageObject::~CPDF_PageObject() {}
+
+void CPDF_PageObject::CopyData(const CPDF_PageObject* pSrc) {
+  CopyStates(*pSrc);
+  m_Left = pSrc->m_Left;
+  m_Right = pSrc->m_Right;
+  m_Top = pSrc->m_Top;
+  m_Bottom = pSrc->m_Bottom;
+}
+
+void CPDF_PageObject::TransformClipPath(CFX_Matrix& matrix) {
+  if (m_ClipPath.IsNull()) {
+    return;
+  }
+  m_ClipPath.GetModify();
+  m_ClipPath.Transform(matrix);
+}
+
+void CPDF_PageObject::TransformGeneralState(CFX_Matrix& matrix) {
+  if (m_GeneralState.IsNull()) {
+    return;
+  }
+  CPDF_GeneralStateData* pGS = m_GeneralState.GetModify();
+  pGS->m_Matrix.Concat(matrix);
+}
+
+FX_RECT CPDF_PageObject::GetBBox(const CFX_Matrix* pMatrix) const {
+  CFX_FloatRect rect(m_Left, m_Bottom, m_Right, m_Top);
+  if (pMatrix) {
+    pMatrix->TransformRect(rect);
+  }
+  return rect.GetOutterRect();
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
index a1392f647e..fa6347e5bc 100644
--- a/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectholder.cpp
@@ -6,6 +6,7 @@
 
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
 
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 
 CPDF_PageObjectHolder::CPDF_PageObjectHolder()
diff --git a/core/fpdfapi/fpdf_page/cpdf_pageobjectlist.cpp b/core/fpdfapi/fpdf_page/cpdf_pageobjectlist.cpp
index 36fb672849..e433431551 100644
--- a/core/fpdfapi/fpdf_page/cpdf_pageobjectlist.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_pageobjectlist.cpp
@@ -7,7 +7,6 @@
 #include "core/fpdfapi/fpdf_page/cpdf_pageobjectlist.h"
 
 #include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "third_party/base/stl_util.h"
 
 CPDF_PageObject* CPDF_PageObjectList::GetPageObjectByIndex(int index) {
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_path.cpp b/core/fpdfapi/fpdf_page/cpdf_pathobject.cpp
index 286dfdfb1c..cfe7b48c8b 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_path.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_pathobject.cpp
@@ -1,12 +1,10 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "core/fpdfapi/fpdf_page/pageint.h"
-
-#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
 
 CPDF_PathObject::CPDF_PathObject() {}
 
diff --git a/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp
new file mode 100644
index 0000000000..16287fe692
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_shadingobject.cpp
@@ -0,0 +1,54 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+
+CPDF_ShadingObject::CPDF_ShadingObject() : m_pShading(nullptr) {}
+
+CPDF_ShadingObject::~CPDF_ShadingObject() {}
+
+CPDF_ShadingObject* CPDF_ShadingObject::Clone() const {
+  CPDF_ShadingObject* obj = new CPDF_ShadingObject;
+  obj->CopyData(this);
+
+  obj->m_pShading = m_pShading;
+  if (obj->m_pShading && obj->m_pShading->m_pDocument) {
+    CPDF_DocPageData* pDocPageData =
+        obj->m_pShading->m_pDocument->GetPageData();
+    obj->m_pShading = (CPDF_ShadingPattern*)pDocPageData->GetPattern(
+        obj->m_pShading->m_pShadingObj, m_pShading->m_bShadingObj,
+        &obj->m_pShading->m_ParentMatrix);
+  }
+  obj->m_Matrix = m_Matrix;
+  return obj;
+}
+
+void CPDF_ShadingObject::Transform(const CFX_Matrix& matrix) {
+  if (!m_ClipPath.IsNull()) {
+    m_ClipPath.GetModify();
+    m_ClipPath.Transform(matrix);
+  }
+  m_Matrix.Concat(matrix);
+  if (!m_ClipPath.IsNull()) {
+    CalcBoundingBox();
+  } else {
+    matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
+  }
+}
+
+void CPDF_ShadingObject::CalcBoundingBox() {
+  if (m_ClipPath.IsNull()) {
+    return;
+  }
+  CFX_FloatRect rect = m_ClipPath.GetClipBox();
+  m_Left = rect.left;
+  m_Bottom = rect.bottom;
+  m_Right = rect.right;
+  m_Top = rect.top;
+}
diff --git a/core/fpdfapi/fpdf_page/fpdf_page.cpp b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp
index ad54e320bc..b4161f320e 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page.cpp
+++ b/core/fpdfapi/fpdf_page/cpdf_textobject.cpp
@@ -1,57 +1,10 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
+// Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "core/fpdfapi/fpdf_page/pageint.h"
-
-#include <algorithm>
-
-#include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
-#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/include/cpdf_modulemgr.h"
-#include "core/fpdfapi/ipdf_rendermodule.h"
-#include "third_party/base/stl_util.h"
-
-CPDF_PageObject::CPDF_PageObject() {}
-
-CPDF_PageObject::~CPDF_PageObject() {}
-
-void CPDF_PageObject::CopyData(const CPDF_PageObject* pSrc) {
-  CopyStates(*pSrc);
-  m_Left = pSrc->m_Left;
-  m_Right = pSrc->m_Right;
-  m_Top = pSrc->m_Top;
-  m_Bottom = pSrc->m_Bottom;
-}
-
-void CPDF_PageObject::TransformClipPath(CFX_Matrix& matrix) {
-  if (m_ClipPath.IsNull()) {
-    return;
-  }
-  m_ClipPath.GetModify();
-  m_ClipPath.Transform(matrix);
-}
-
-void CPDF_PageObject::TransformGeneralState(CFX_Matrix& matrix) {
-  if (m_GeneralState.IsNull()) {
-    return;
-  }
-  CPDF_GeneralStateData* pGS = m_GeneralState.GetModify();
-  pGS->m_Matrix.Concat(matrix);
-}
-
-FX_RECT CPDF_PageObject::GetBBox(const CFX_Matrix* pMatrix) const {
-  CFX_FloatRect rect(m_Left, m_Bottom, m_Right, m_Top);
-  if (pMatrix) {
-    pMatrix->TransformRect(rect);
-  }
-  return rect.GetOutterRect();
-}
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 
 CPDF_TextObject::CPDF_TextObject()
     : m_PosX(0),
@@ -390,247 +343,3 @@ void CPDF_TextObject::SetPosition(FX_FLOAT x, FX_FLOAT y) {
   m_Top += dy;
   m_Bottom += dy;
 }
-
-CPDF_ShadingObject::CPDF_ShadingObject() : m_pShading(nullptr) {}
-
-CPDF_ShadingObject::~CPDF_ShadingObject() {}
-
-CPDF_ShadingObject* CPDF_ShadingObject::Clone() const {
-  CPDF_ShadingObject* obj = new CPDF_ShadingObject;
-  obj->CopyData(this);
-
-  obj->m_pShading = m_pShading;
-  if (obj->m_pShading && obj->m_pShading->m_pDocument) {
-    CPDF_DocPageData* pDocPageData =
-        obj->m_pShading->m_pDocument->GetPageData();
-    obj->m_pShading = (CPDF_ShadingPattern*)pDocPageData->GetPattern(
-        obj->m_pShading->m_pShadingObj, m_pShading->m_bShadingObj,
-        &obj->m_pShading->m_ParentMatrix);
-  }
-  obj->m_Matrix = m_Matrix;
-  return obj;
-}
-
-void CPDF_ShadingObject::Transform(const CFX_Matrix& matrix) {
-  if (!m_ClipPath.IsNull()) {
-    m_ClipPath.GetModify();
-    m_ClipPath.Transform(matrix);
-  }
-  m_Matrix.Concat(matrix);
-  if (!m_ClipPath.IsNull()) {
-    CalcBoundingBox();
-  } else {
-    matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
-  }
-}
-
-void CPDF_ShadingObject::CalcBoundingBox() {
-  if (m_ClipPath.IsNull()) {
-    return;
-  }
-  CFX_FloatRect rect = m_ClipPath.GetClipBox();
-  m_Left = rect.left;
-  m_Bottom = rect.bottom;
-  m_Right = rect.right;
-  m_Top = rect.top;
-}
-
-CPDF_FormObject::CPDF_FormObject() : m_pForm(nullptr) {}
-
-CPDF_FormObject::~CPDF_FormObject() {
-  delete m_pForm;
-}
-
-void CPDF_FormObject::Transform(const CFX_Matrix& matrix) {
-  m_FormMatrix.Concat(matrix);
-  CalcBoundingBox();
-}
-
-CPDF_FormObject* CPDF_FormObject::Clone() const {
-  CPDF_FormObject* obj = new CPDF_FormObject;
-  obj->CopyData(this);
-
-  obj->m_pForm = m_pForm->Clone();
-  obj->m_FormMatrix = m_FormMatrix;
-  return obj;
-}
-
-void CPDF_FormObject::CalcBoundingBox() {
-  CFX_FloatRect form_rect = m_pForm->CalcBoundingBox();
-  form_rect.Transform(&m_FormMatrix);
-  m_Left = form_rect.left;
-  m_Bottom = form_rect.bottom;
-  m_Right = form_rect.right;
-  m_Top = form_rect.top;
-}
-
-CPDF_Page::CPDF_Page() : m_pPageRender(nullptr) {}
-
-void CPDF_Page::Load(CPDF_Document* pDocument,
-                     CPDF_Dictionary* pPageDict,
-                     FX_BOOL bPageCache) {
-  m_pDocument = (CPDF_Document*)pDocument;
-  m_pFormDict = pPageDict;
-  if (bPageCache) {
-    m_pPageRender =
-        CPDF_ModuleMgr::Get()->GetRenderModule()->CreatePageCache(this);
-  }
-  if (!pPageDict) {
-    m_PageWidth = m_PageHeight = 100 * 1.0f;
-    m_pPageResources = m_pResources = NULL;
-    return;
-  }
-  CPDF_Object* pageAttr = GetPageAttr("Resources");
-  m_pResources = pageAttr ? pageAttr->GetDict() : NULL;
-  m_pPageResources = m_pResources;
-  CPDF_Object* pRotate = GetPageAttr("Rotate");
-  int rotate = 0;
-  if (pRotate) {
-    rotate = pRotate->GetInteger() / 90 % 4;
-  }
-  if (rotate < 0) {
-    rotate += 4;
-  }
-  CPDF_Array* pMediaBox = ToArray(GetPageAttr("MediaBox"));
-  CFX_FloatRect mediabox;
-  if (pMediaBox) {
-    mediabox = pMediaBox->GetRect();
-    mediabox.Normalize();
-  }
-  if (mediabox.IsEmpty()) {
-    mediabox = CFX_FloatRect(0, 0, 612, 792);
-  }
-
-  CPDF_Array* pCropBox = ToArray(GetPageAttr("CropBox"));
-  if (pCropBox) {
-    m_BBox = pCropBox->GetRect();
-    m_BBox.Normalize();
-  }
-  if (m_BBox.IsEmpty()) {
-    m_BBox = mediabox;
-  } else {
-    m_BBox.Intersect(mediabox);
-  }
-  if (rotate % 2) {
-    m_PageHeight = m_BBox.right - m_BBox.left;
-    m_PageWidth = m_BBox.top - m_BBox.bottom;
-  } else {
-    m_PageWidth = m_BBox.right - m_BBox.left;
-    m_PageHeight = m_BBox.top - m_BBox.bottom;
-  }
-  switch (rotate) {
-    case 0:
-      m_PageMatrix.Set(1.0f, 0, 0, 1.0f, -m_BBox.left, -m_BBox.bottom);
-      break;
-    case 1:
-      m_PageMatrix.Set(0, -1.0f, 1.0f, 0, -m_BBox.bottom, m_BBox.right);
-      break;
-    case 2:
-      m_PageMatrix.Set(-1.0f, 0, 0, -1.0f, m_BBox.right, m_BBox.top);
-      break;
-    case 3:
-      m_PageMatrix.Set(0, 1.0f, -1.0f, 0, m_BBox.top, -m_BBox.left);
-      break;
-  }
-  m_Transparency = PDFTRANS_ISOLATED;
-  LoadTransInfo();
-}
-
-void CPDF_Page::StartParse(CPDF_ParseOptions* pOptions) {
-  if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING) {
-    return;
-  }
-  m_pParser.reset(new CPDF_ContentParser);
-  m_pParser->Start(this, pOptions);
-  m_ParseState = CONTENT_PARSING;
-}
-
-void CPDF_Page::ParseContent(CPDF_ParseOptions* pOptions) {
-  StartParse(pOptions);
-  ContinueParse(nullptr);
-}
-
-CPDF_Page::~CPDF_Page() {
-  if (m_pPageRender) {
-    IPDF_RenderModule* pModule = CPDF_ModuleMgr::Get()->GetRenderModule();
-    pModule->DestroyPageCache(m_pPageRender);
-  }
-}
-
-CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict,
-                                 const CFX_ByteStringC& name) {
-  int level = 0;
-  while (1) {
-    CPDF_Object* pObj = pPageDict->GetElementValue(name);
-    if (pObj) {
-      return pObj;
-    }
-    CPDF_Dictionary* pParent = pPageDict->GetDictBy("Parent");
-    if (!pParent || pParent == pPageDict) {
-      return NULL;
-    }
-    pPageDict = pParent;
-    level++;
-    if (level == 1000) {
-      return NULL;
-    }
-  }
-}
-
-CPDF_Object* CPDF_Page::GetPageAttr(const CFX_ByteStringC& name) const {
-  return FPDFAPI_GetPageAttr(m_pFormDict, name);
-}
-
-void CPDF_Page::GetDisplayMatrix(CFX_Matrix& matrix,
-                                 int xPos,
-                                 int yPos,
-                                 int xSize,
-                                 int ySize,
-                                 int iRotate) const {
-  if (m_PageWidth == 0 || m_PageHeight == 0) {
-    return;
-  }
-  CFX_Matrix display_matrix;
-  int x0, y0, x1, y1, x2, y2;
-  iRotate %= 4;
-  switch (iRotate) {
-    case 0:
-      x0 = xPos;
-      y0 = yPos + ySize;
-      x1 = xPos;
-      y1 = yPos;
-      x2 = xPos + xSize;
-      y2 = yPos + ySize;
-      break;
-    case 1:
-      x0 = xPos;
-      y0 = yPos;
-      x1 = xPos + xSize;
-      y1 = yPos;
-      x2 = xPos;
-      y2 = yPos + ySize;
-      break;
-    case 2:
-      x0 = xPos + xSize;
-      y0 = yPos;
-      x1 = xPos + xSize;
-      y1 = yPos + ySize;
-      x2 = xPos;
-      y2 = yPos;
-      break;
-    case 3:
-      x0 = xPos + xSize;
-      y0 = yPos + ySize;
-      x1 = xPos;
-      y1 = yPos + ySize;
-      x2 = xPos + xSize;
-      y2 = yPos;
-      break;
-  }
-  display_matrix.Set(
-      ((FX_FLOAT)(x2 - x0)) / m_PageWidth, ((FX_FLOAT)(y2 - y0)) / m_PageWidth,
-      ((FX_FLOAT)(x1 - x0)) / m_PageHeight,
-      ((FX_FLOAT)(y1 - y0)) / m_PageHeight, (FX_FLOAT)x0, (FX_FLOAT)y0);
-  matrix = m_PageMatrix;
-  matrix.Concat(display_matrix);
-}
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.cpp b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp
new file mode 100644
index 0000000000..f56d58ed0a
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_textstate.cpp
@@ -0,0 +1,47 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/cpdf_textstate.h"
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+
+void CPDF_TextState::SetFont(CPDF_Font* pFont) {
+  CPDF_TextStateData* pStateData = GetModify();
+  if (pStateData) {
+    CPDF_Document* pDoc = pStateData->m_pDocument;
+    CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : NULL;
+    if (pPageData && pStateData->m_pFont && !pPageData->IsForceClear()) {
+      pPageData->ReleaseFont(pStateData->m_pFont->GetFontDict());
+    }
+    pStateData->m_pDocument = pFont ? pFont->m_pDocument : NULL;
+    pStateData->m_pFont = pFont;
+  }
+}
+
+FX_FLOAT CPDF_TextState::GetFontSizeV() const {
+  FX_FLOAT* pMatrix = GetMatrix();
+  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[1], pMatrix[3]);
+  FX_FLOAT size = unit * GetFontSize();
+  return (FX_FLOAT)FXSYS_fabs(size);
+}
+
+FX_FLOAT CPDF_TextState::GetFontSizeH() const {
+  FX_FLOAT* pMatrix = GetMatrix();
+  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[0], pMatrix[2]);
+  FX_FLOAT size = unit * GetFontSize();
+  return (FX_FLOAT)FXSYS_fabs(size);
+}
+
+FX_FLOAT CPDF_TextState::GetBaselineAngle() const {
+  FX_FLOAT* m_Matrix = GetMatrix();
+  return FXSYS_atan2(m_Matrix[2], m_Matrix[0]);
+}
+
+FX_FLOAT CPDF_TextState::GetShearAngle() const {
+  FX_FLOAT* m_Matrix = GetMatrix();
+  FX_FLOAT shear_angle = FXSYS_atan2(m_Matrix[1], m_Matrix[3]);
+  return GetBaselineAngle() + shear_angle;
+}
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstate.h b/core/fpdfapi/fpdf_page/cpdf_textstate.h
new file mode 100644
index 0000000000..8530322aeb
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_textstate.h
@@ -0,0 +1,28 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTSTATE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTSTATE_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+class CPDF_Font;
+
+class CPDF_TextState : public CFX_CountRef<CPDF_TextStateData> {
+ public:
+  CPDF_Font* GetFont() const { return m_pObject->m_pFont; }
+  void SetFont(CPDF_Font* pFont);
+
+  FX_FLOAT GetFontSize() const { return m_pObject->m_FontSize; }
+  FX_FLOAT* GetMatrix() const { return m_pObject->m_Matrix; }
+  FX_FLOAT GetFontSizeV() const;
+  FX_FLOAT GetFontSizeH() const;
+  FX_FLOAT GetBaselineAngle() const;
+  FX_FLOAT GetShearAngle() const;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_CPDF_TEXTSTATE_H_
diff --git a/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp
new file mode 100644
index 0000000000..af65fb530a
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/cpdf_textstatedata.cpp
@@ -0,0 +1,43 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h"
+
+#include "core/fpdfapi/fpdf_page/pageint.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+
+CPDF_TextStateData::CPDF_TextStateData()
+    : m_pFont(nullptr),
+      m_pDocument(nullptr),
+      m_FontSize(1.0f),
+      m_CharSpace(0),
+      m_WordSpace(0),
+      m_TextMode(0) {
+  m_Matrix[0] = m_Matrix[3] = 1.0f;
+  m_Matrix[1] = m_Matrix[2] = 0;
+  m_CTM[0] = m_CTM[3] = 1.0f;
+  m_CTM[1] = m_CTM[2] = 0;
+}
+
+CPDF_TextStateData::CPDF_TextStateData(const CPDF_TextStateData& src) {
+  if (this == &src)
+    return;
+
+  FXSYS_memcpy(this, &src, sizeof(CPDF_TextStateData));
+  if (m_pDocument && m_pFont) {
+    m_pFont =
+        m_pDocument->GetPageData()->GetFont(m_pFont->GetFontDict(), FALSE);
+  }
+}
+
+CPDF_TextStateData::~CPDF_TextStateData() {
+  if (m_pDocument && m_pFont) {
+    CPDF_DocPageData* pPageData = m_pDocument->GetPageData();
+    if (pPageData && !pPageData->IsForceClear())
+      pPageData->ReleaseFont(m_pFont->GetFontDict());
+  }
+}
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp b/core/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
deleted file mode 100644
index cd81b97112..0000000000
--- a/core/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp
+++ /dev/null
@@ -1,694 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/fpdfapi/fpdf_page/pageint.h"
-
-#include <algorithm>
-
-#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
-#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/fpdfapi/fpdf_render/render_int.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
-#include "third_party/base/stl_util.h"
-
-namespace {
-
-FX_FLOAT ClipFloat(FX_FLOAT f) {
-  return std::max(0.0f, std::min(1.0f, f));
-}
-
-}  // namespace
-
-void CPDF_GraphicStates::DefaultStates() {
-  m_ColorState.New()->Default();
-}
-void CPDF_GraphicStates::CopyStates(const CPDF_GraphicStates& src) {
-  m_ClipPath = src.m_ClipPath;
-  m_GraphState = src.m_GraphState;
-  m_ColorState = src.m_ColorState;
-  m_TextState = src.m_TextState;
-  m_GeneralState = src.m_GeneralState;
-}
-CPDF_ClipPathData::CPDF_ClipPathData() {
-  m_PathCount = 0;
-  m_pPathList = NULL;
-  m_pTypeList = NULL;
-  m_TextCount = 0;
-  m_pTextList = NULL;
-}
-CPDF_ClipPathData::~CPDF_ClipPathData() {
-  int i;
-  delete[] m_pPathList;
-  FX_Free(m_pTypeList);
-  for (i = m_TextCount - 1; i > -1; i--)
-    delete m_pTextList[i];
-  FX_Free(m_pTextList);
-}
-CPDF_ClipPathData::CPDF_ClipPathData(const CPDF_ClipPathData& src) {
-  m_pPathList = NULL;
-  m_pPathList = NULL;
-  m_pTextList = NULL;
-  m_PathCount = src.m_PathCount;
-  if (m_PathCount) {
-    int alloc_size = m_PathCount;
-    if (alloc_size % 8) {
-      alloc_size += 8 - (alloc_size % 8);
-    }
-    m_pPathList = new CPDF_Path[alloc_size];
-    for (int i = 0; i < m_PathCount; i++) {
-      m_pPathList[i] = src.m_pPathList[i];
-    }
-    m_pTypeList = FX_Alloc(uint8_t, alloc_size);
-    FXSYS_memcpy(m_pTypeList, src.m_pTypeList, m_PathCount);
-  } else {
-    m_pPathList = NULL;
-    m_pTypeList = NULL;
-  }
-  m_TextCount = src.m_TextCount;
-  if (m_TextCount) {
-    m_pTextList = FX_Alloc(CPDF_TextObject*, m_TextCount);
-    for (int i = 0; i < m_TextCount; i++) {
-      if (src.m_pTextList[i]) {
-        m_pTextList[i] = src.m_pTextList[i]->Clone();
-      } else {
-        m_pTextList[i] = NULL;
-      }
-    }
-  } else {
-    m_pTextList = NULL;
-  }
-}
-void CPDF_ClipPathData::SetCount(int path_count, int text_count) {
-  ASSERT(m_TextCount == 0 && m_PathCount == 0);
-  if (path_count) {
-    m_PathCount = path_count;
-    int alloc_size = (path_count + 7) / 8 * 8;
-    m_pPathList = new CPDF_Path[alloc_size];
-    m_pTypeList = FX_Alloc(uint8_t, alloc_size);
-  }
-  if (text_count) {
-    m_TextCount = text_count;
-    m_pTextList = FX_Alloc(CPDF_TextObject*, text_count);
-  }
-}
-CFX_FloatRect CPDF_ClipPath::GetClipBox() const {
-  CFX_FloatRect rect;
-  FX_BOOL bStarted = FALSE;
-  int count = GetPathCount();
-  if (count) {
-    rect = GetPath(0).GetBoundingBox();
-    for (int i = 1; i < count; i++) {
-      CFX_FloatRect path_rect = GetPath(i).GetBoundingBox();
-      rect.Intersect(path_rect);
-    }
-    bStarted = TRUE;
-  }
-  count = GetTextCount();
-  if (count) {
-    CFX_FloatRect layer_rect;
-    FX_BOOL bLayerStarted = FALSE;
-    for (int i = 0; i < count; i++) {
-      CPDF_TextObject* pTextObj = GetText(i);
-      if (!pTextObj) {
-        if (!bStarted) {
-          rect = layer_rect;
-          bStarted = TRUE;
-        } else {
-          rect.Intersect(layer_rect);
-        }
-        bLayerStarted = FALSE;
-      } else {
-        if (!bLayerStarted) {
-          layer_rect = CFX_FloatRect(pTextObj->GetBBox(nullptr));
-          bLayerStarted = TRUE;
-        } else {
-          layer_rect.Union(CFX_FloatRect(pTextObj->GetBBox(nullptr)));
-        }
-      }
-    }
-  }
-  return rect;
-}
-void CPDF_ClipPath::AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge) {
-  CPDF_ClipPathData* pData = GetModify();
-  if (pData->m_PathCount && bAutoMerge) {
-    CPDF_Path old_path = pData->m_pPathList[pData->m_PathCount - 1];
-    if (old_path.IsRect()) {
-      CFX_FloatRect old_rect(old_path.GetPointX(0), old_path.GetPointY(0),
-                             old_path.GetPointX(2), old_path.GetPointY(2));
-      CFX_FloatRect new_rect = path.GetBoundingBox();
-      if (old_rect.Contains(new_rect)) {
-        pData->m_PathCount--;
-        pData->m_pPathList[pData->m_PathCount].SetNull();
-      }
-    }
-  }
-  if (pData->m_PathCount % 8 == 0) {
-    CPDF_Path* pNewPath = new CPDF_Path[pData->m_PathCount + 8];
-    for (int i = 0; i < pData->m_PathCount; i++) {
-      pNewPath[i] = pData->m_pPathList[i];
-    }
-    delete[] pData->m_pPathList;
-    uint8_t* pNewType = FX_Alloc(uint8_t, pData->m_PathCount + 8);
-    FXSYS_memcpy(pNewType, pData->m_pTypeList, pData->m_PathCount);
-    FX_Free(pData->m_pTypeList);
-    pData->m_pPathList = pNewPath;
-    pData->m_pTypeList = pNewType;
-  }
-  pData->m_pPathList[pData->m_PathCount] = path;
-  pData->m_pTypeList[pData->m_PathCount] = (uint8_t)type;
-  pData->m_PathCount++;
-}
-void CPDF_ClipPath::DeletePath(int index) {
-  CPDF_ClipPathData* pData = GetModify();
-  if (index >= pData->m_PathCount) {
-    return;
-  }
-  pData->m_pPathList[index].SetNull();
-  for (int i = index; i < pData->m_PathCount - 1; i++) {
-    pData->m_pPathList[i] = pData->m_pPathList[i + 1];
-  }
-  pData->m_pPathList[pData->m_PathCount - 1].SetNull();
-  FXSYS_memmove(pData->m_pTypeList + index, pData->m_pTypeList + index + 1,
-                pData->m_PathCount - index - 1);
-  pData->m_PathCount--;
-}
-#define FPDF_CLIPPATH_MAX_TEXTS 1024
-void CPDF_ClipPath::AppendTexts(CPDF_TextObject** pTexts, int count) {
-  CPDF_ClipPathData* pData = GetModify();
-  if (pData->m_TextCount + count > FPDF_CLIPPATH_MAX_TEXTS) {
-    for (int i = 0; i < count; i++) {
-      delete pTexts[i];
-    }
-    return;
-  }
-  CPDF_TextObject** pNewList =
-      FX_Alloc(CPDF_TextObject*, pData->m_TextCount + count + 1);
-  if (pData->m_pTextList) {
-    FXSYS_memcpy(pNewList, pData->m_pTextList,
-                 pData->m_TextCount * sizeof(CPDF_TextObject*));
-    FX_Free(pData->m_pTextList);
-  }
-  pData->m_pTextList = pNewList;
-  for (int i = 0; i < count; i++) {
-    pData->m_pTextList[pData->m_TextCount + i] = pTexts[i];
-  }
-  pData->m_pTextList[pData->m_TextCount + count] = NULL;
-  pData->m_TextCount += count + 1;
-}
-void CPDF_ClipPath::Transform(const CFX_Matrix& matrix) {
-  CPDF_ClipPathData* pData = GetModify();
-  int i;
-  for (i = 0; i < pData->m_PathCount; i++) {
-    pData->m_pPathList[i].Transform(&matrix);
-  }
-  for (i = 0; i < pData->m_TextCount; i++)
-    if (pData->m_pTextList[i]) {
-      pData->m_pTextList[i]->Transform(matrix);
-    }
-}
-CPDF_ColorStateData::CPDF_ColorStateData(const CPDF_ColorStateData& src) {
-  m_FillColor.Copy(&src.m_FillColor);
-  m_FillRGB = src.m_FillRGB;
-  m_StrokeColor.Copy(&src.m_StrokeColor);
-  m_StrokeRGB = src.m_StrokeRGB;
-}
-void CPDF_ColorStateData::Default() {
-  m_FillRGB = m_StrokeRGB = 0;
-  m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
-  m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
-}
-void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS,
-                                   FX_FLOAT* pValue,
-                                   int nValues) {
-  CPDF_ColorStateData* pData = GetModify();
-  SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues);
-}
-void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS,
-                                     FX_FLOAT* pValue,
-                                     int nValues) {
-  CPDF_ColorStateData* pData = GetModify();
-  SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues);
-}
-void CPDF_ColorState::SetColor(CPDF_Color& color,
-                               FX_DWORD& rgb,
-                               CPDF_ColorSpace* pCS,
-                               FX_FLOAT* pValue,
-                               int nValues) {
-  if (pCS) {
-    color.SetColorSpace(pCS);
-  } else if (color.IsNull()) {
-    color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY));
-  }
-  if (color.m_pCS->CountComponents() > nValues) {
-    return;
-  }
-  color.SetValue(pValue);
-  int R, G, B;
-  rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
-}
-void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern,
-                                     FX_FLOAT* pValue,
-                                     int nValues) {
-  CPDF_ColorStateData* pData = GetModify();
-  pData->m_FillColor.SetValue(pPattern, pValue, nValues);
-  int R, G, B;
-  FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B);
-  if (pPattern->m_PatternType == 1 &&
-      ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
-    pData->m_FillRGB = 0x00BFBFBF;
-    return;
-  }
-  pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
-}
-void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern,
-                                       FX_FLOAT* pValue,
-                                       int nValues) {
-  CPDF_ColorStateData* pData = GetModify();
-  pData->m_StrokeColor.SetValue(pPattern, pValue, nValues);
-  int R, G, B;
-  FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B);
-  if (pPattern->m_PatternType == 1 &&
-      ((CPDF_TilingPattern*)pPattern)->m_bColored && !ret) {
-    pData->m_StrokeRGB = 0x00BFBFBF;
-    return;
-  }
-  pData->m_StrokeRGB =
-      pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (FX_DWORD)-1;
-}
-CPDF_TextStateData::CPDF_TextStateData() {
-  m_pFont = NULL;
-  m_pDocument = NULL;
-  m_FontSize = 1.0f;
-  m_WordSpace = 0;
-  m_CharSpace = 0;
-  m_TextMode = 0;
-  m_Matrix[0] = m_Matrix[3] = 1.0f;
-  m_Matrix[1] = m_Matrix[2] = 0;
-  m_CTM[0] = m_CTM[3] = 1.0f;
-  m_CTM[1] = m_CTM[2] = 0;
-}
-CPDF_TextStateData::CPDF_TextStateData(const CPDF_TextStateData& src) {
-  if (this == &src) {
-    return;
-  }
-  FXSYS_memcpy(this, &src, sizeof(CPDF_TextStateData));
-  if (m_pDocument && m_pFont) {
-    m_pFont =
-        m_pDocument->GetPageData()->GetFont(m_pFont->GetFontDict(), FALSE);
-  }
-}
-CPDF_TextStateData::~CPDF_TextStateData() {
-  if (m_pDocument && m_pFont) {
-    CPDF_DocPageData* pPageData = m_pDocument->GetPageData();
-    if (pPageData && !pPageData->IsForceClear()) {
-      pPageData->ReleaseFont(m_pFont->GetFontDict());
-    }
-  }
-}
-void CPDF_TextState::SetFont(CPDF_Font* pFont) {
-  CPDF_TextStateData* pStateData = GetModify();
-  if (pStateData) {
-    CPDF_Document* pDoc = pStateData->m_pDocument;
-    CPDF_DocPageData* pPageData = pDoc ? pDoc->GetPageData() : NULL;
-    if (pPageData && pStateData->m_pFont && !pPageData->IsForceClear()) {
-      pPageData->ReleaseFont(pStateData->m_pFont->GetFontDict());
-    }
-    pStateData->m_pDocument = pFont ? pFont->m_pDocument : NULL;
-    pStateData->m_pFont = pFont;
-  }
-}
-FX_FLOAT CPDF_TextState::GetFontSizeV() const {
-  FX_FLOAT* pMatrix = GetMatrix();
-  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[1], pMatrix[3]);
-  FX_FLOAT size = unit * GetFontSize();
-  return (FX_FLOAT)FXSYS_fabs(size);
-}
-FX_FLOAT CPDF_TextState::GetFontSizeH() const {
-  FX_FLOAT* pMatrix = GetMatrix();
-  FX_FLOAT unit = FXSYS_sqrt2(pMatrix[0], pMatrix[2]);
-  FX_FLOAT size = unit * GetFontSize();
-  return (FX_FLOAT)FXSYS_fabs(size);
-}
-FX_FLOAT CPDF_TextState::GetBaselineAngle() const {
-  FX_FLOAT* m_Matrix = GetMatrix();
-  return FXSYS_atan2(m_Matrix[2], m_Matrix[0]);
-}
-FX_FLOAT CPDF_TextState::GetShearAngle() const {
-  FX_FLOAT* m_Matrix = GetMatrix();
-  FX_FLOAT shear_angle = FXSYS_atan2(m_Matrix[1], m_Matrix[3]);
-  return GetBaselineAngle() + shear_angle;
-}
-CPDF_GeneralStateData::CPDF_GeneralStateData() {
-  FXSYS_memset(this, 0, sizeof(CPDF_GeneralStateData));
-  FXSYS_strcpy((FX_CHAR*)m_BlendMode, "Normal");
-  m_StrokeAlpha = 1.0f;
-  m_FillAlpha = 1.0f;
-  m_Flatness = 1.0f;
-  m_Matrix.SetIdentity();
-}
-CPDF_GeneralStateData::CPDF_GeneralStateData(const CPDF_GeneralStateData& src) {
-  FXSYS_memcpy(this, &src, sizeof(CPDF_GeneralStateData));
-  if (src.m_pTransferFunc && src.m_pTransferFunc->m_pPDFDoc) {
-    CPDF_DocRenderData* pDocCache =
-        src.m_pTransferFunc->m_pPDFDoc->GetRenderData();
-    if (!pDocCache) {
-      return;
-    }
-    m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR);
-  }
-}
-CPDF_GeneralStateData::~CPDF_GeneralStateData() {
-  if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) {
-    CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData();
-    if (!pDocCache) {
-      return;
-    }
-    pDocCache->ReleaseTransferFunc(m_pTR);
-  }
-}
-static int GetBlendType(const CFX_ByteStringC& mode) {
-  switch (mode.GetID()) {
-    case FXBSTR_ID('N', 'o', 'r', 'm'):
-    case FXBSTR_ID('C', 'o', 'm', 'p'):
-      return FXDIB_BLEND_NORMAL;
-    case FXBSTR_ID('M', 'u', 'l', 't'):
-      return FXDIB_BLEND_MULTIPLY;
-    case FXBSTR_ID('S', 'c', 'r', 'e'):
-      return FXDIB_BLEND_SCREEN;
-    case FXBSTR_ID('O', 'v', 'e', 'r'):
-      return FXDIB_BLEND_OVERLAY;
-    case FXBSTR_ID('D', 'a', 'r', 'k'):
-      return FXDIB_BLEND_DARKEN;
-    case FXBSTR_ID('L', 'i', 'g', 'h'):
-      return FXDIB_BLEND_LIGHTEN;
-    case FXBSTR_ID('C', 'o', 'l', 'o'):
-      if (mode.GetLength() == 10) {
-        return FXDIB_BLEND_COLORDODGE;
-      }
-      if (mode.GetLength() == 9) {
-        return FXDIB_BLEND_COLORBURN;
-      }
-      return FXDIB_BLEND_COLOR;
-    case FXBSTR_ID('H', 'a', 'r', 'd'):
-      return FXDIB_BLEND_HARDLIGHT;
-    case FXBSTR_ID('S', 'o', 'f', 't'):
-      return FXDIB_BLEND_SOFTLIGHT;
-    case FXBSTR_ID('D', 'i', 'f', 'f'):
-      return FXDIB_BLEND_DIFFERENCE;
-    case FXBSTR_ID('E', 'x', 'c', 'l'):
-      return FXDIB_BLEND_EXCLUSION;
-    case FXBSTR_ID('H', 'u', 'e', 0):
-      return FXDIB_BLEND_HUE;
-    case FXBSTR_ID('S', 'a', 't', 'u'):
-      return FXDIB_BLEND_SATURATION;
-    case FXBSTR_ID('L', 'u', 'm', 'i'):
-      return FXDIB_BLEND_LUMINOSITY;
-  }
-  return FXDIB_BLEND_NORMAL;
-}
-void CPDF_GeneralStateData::SetBlendMode(const CFX_ByteStringC& blend_mode) {
-  if (blend_mode.GetLength() > 15) {
-    return;
-  }
-  FXSYS_memcpy(m_BlendMode, blend_mode.GetPtr(), blend_mode.GetLength());
-  m_BlendMode[blend_mode.GetLength()] = 0;
-  m_BlendType = ::GetBlendType(blend_mode);
-}
-int RI_StringToId(const CFX_ByteString& ri) {
-  FX_DWORD id = ri.GetID();
-  if (id == FXBSTR_ID('A', 'b', 's', 'o')) {
-    return 1;
-  }
-  if (id == FXBSTR_ID('S', 'a', 't', 'u')) {
-    return 2;
-  }
-  if (id == FXBSTR_ID('P', 'e', 'r', 'c')) {
-    return 3;
-  }
-  return 0;
-}
-void CPDF_GeneralState::SetRenderIntent(const CFX_ByteString& ri) {
-  GetModify()->m_RenderIntent = RI_StringToId(ri);
-}
-CPDF_AllStates::CPDF_AllStates() {
-  m_TextX = m_TextY = m_TextLineX = m_TextLineY = 0;
-  m_TextLeading = 0;
-  m_TextRise = 0;
-  m_TextHorzScale = 1.0f;
-}
-CPDF_AllStates::~CPDF_AllStates() {}
-void CPDF_AllStates::Copy(const CPDF_AllStates& src) {
-  CopyStates(src);
-  m_TextMatrix.Copy(src.m_TextMatrix);
-  m_ParentMatrix.Copy(src.m_ParentMatrix);
-  m_CTM.Copy(src.m_CTM);
-  m_TextX = src.m_TextX;
-  m_TextY = src.m_TextY;
-  m_TextLineX = src.m_TextLineX;
-  m_TextLineY = src.m_TextLineY;
-  m_TextLeading = src.m_TextLeading;
-  m_TextRise = src.m_TextRise;
-  m_TextHorzScale = src.m_TextHorzScale;
-}
-void CPDF_AllStates::SetLineDash(CPDF_Array* pArray,
-                                 FX_FLOAT phase,
-                                 FX_FLOAT scale) {
-  CFX_GraphStateData* pData = m_GraphState.GetModify();
-  pData->m_DashPhase = phase * scale;
-  pData->SetDashCount(pArray->GetCount());
-  for (FX_DWORD i = 0; i < pArray->GetCount(); i++) {
-    pData->m_DashArray[i] = pArray->GetNumberAt(i) * scale;
-  }
-}
-void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS,
-                                  CPDF_StreamContentParser* pParser) {
-  CPDF_GeneralStateData* pGeneralState = m_GeneralState.GetModify();
-  for (const auto& it : *pGS) {
-    const CFX_ByteString& key_str = it.first;
-    CPDF_Object* pElement = it.second;
-    CPDF_Object* pObject = pElement ? pElement->GetDirect() : nullptr;
-    if (!pObject)
-      continue;
-
-    FX_DWORD key = key_str.GetID();
-    switch (key) {
-      case FXBSTR_ID('L', 'W', 0, 0):
-        m_GraphState.GetModify()->m_LineWidth = pObject->GetNumber();
-        break;
-      case FXBSTR_ID('L', 'C', 0, 0):
-        m_GraphState.GetModify()->m_LineCap =
-            (CFX_GraphStateData::LineCap)pObject->GetInteger();
-        break;
-      case FXBSTR_ID('L', 'J', 0, 0):
-        m_GraphState.GetModify()->m_LineJoin =
-            (CFX_GraphStateData::LineJoin)pObject->GetInteger();
-        break;
-      case FXBSTR_ID('M', 'L', 0, 0):
-        m_GraphState.GetModify()->m_MiterLimit = pObject->GetNumber();
-        break;
-      case FXBSTR_ID('D', 0, 0, 0): {
-        CPDF_Array* pDash = pObject->AsArray();
-        if (!pDash)
-          break;
-
-        CPDF_Array* pArray = pDash->GetArrayAt(0);
-        if (!pArray)
-          break;
-
-        SetLineDash(pArray, pDash->GetNumberAt(1), 1.0f);
-        break;
-      }
-      case FXBSTR_ID('R', 'I', 0, 0):
-        m_GeneralState.SetRenderIntent(pObject->GetString());
-        break;
-      case FXBSTR_ID('F', 'o', 'n', 't'): {
-        CPDF_Array* pFont = pObject->AsArray();
-        if (!pFont)
-          break;
-
-        m_TextState.GetModify()->m_FontSize = pFont->GetNumberAt(1);
-        m_TextState.SetFont(pParser->FindFont(pFont->GetStringAt(0)));
-        break;
-      }
-      case FXBSTR_ID('T', 'R', 0, 0):
-        if (pGS->KeyExist("TR2")) {
-          continue;
-        }
-      case FXBSTR_ID('T', 'R', '2', 0):
-        pGeneralState->m_pTR =
-            (pObject && !pObject->IsName()) ? pObject : nullptr;
-        break;
-      case FXBSTR_ID('B', 'M', 0, 0): {
-        CPDF_Array* pArray = pObject->AsArray();
-        CFX_ByteString mode =
-            pArray ? pArray->GetStringAt(0) : pObject->GetString();
-
-        pGeneralState->SetBlendMode(mode);
-        if (pGeneralState->m_BlendType > FXDIB_BLEND_MULTIPLY) {
-          pParser->GetPageObjectHolder()->SetBackgroundAlphaNeeded(TRUE);
-        }
-        break;
-      }
-      case FXBSTR_ID('S', 'M', 'a', 's'):
-        if (ToDictionary(pObject)) {
-          pGeneralState->m_pSoftMask = pObject;
-          FXSYS_memcpy(pGeneralState->m_SMaskMatrix,
-                       &pParser->GetCurStates()->m_CTM, sizeof(CFX_Matrix));
-        } else {
-          pGeneralState->m_pSoftMask = NULL;
-        }
-        break;
-      case FXBSTR_ID('C', 'A', 0, 0):
-        pGeneralState->m_StrokeAlpha = ClipFloat(pObject->GetNumber());
-        break;
-      case FXBSTR_ID('c', 'a', 0, 0):
-        pGeneralState->m_FillAlpha = ClipFloat(pObject->GetNumber());
-        break;
-      case FXBSTR_ID('O', 'P', 0, 0):
-        pGeneralState->m_StrokeOP = pObject->GetInteger();
-        if (!pGS->KeyExist("op")) {
-          pGeneralState->m_FillOP = pObject->GetInteger();
-        }
-        break;
-      case FXBSTR_ID('o', 'p', 0, 0):
-        pGeneralState->m_FillOP = pObject->GetInteger();
-        break;
-      case FXBSTR_ID('O', 'P', 'M', 0):
-        pGeneralState->m_OPMode = pObject->GetInteger();
-        break;
-      case FXBSTR_ID('B', 'G', 0, 0):
-        if (pGS->KeyExist("BG2")) {
-          continue;
-        }
-      case FXBSTR_ID('B', 'G', '2', 0):
-        pGeneralState->m_pBG = pObject;
-        break;
-      case FXBSTR_ID('U', 'C', 'R', 0):
-        if (pGS->KeyExist("UCR2")) {
-          continue;
-        }
-      case FXBSTR_ID('U', 'C', 'R', '2'):
-        pGeneralState->m_pUCR = pObject;
-        break;
-      case FXBSTR_ID('H', 'T', 0, 0):
-        pGeneralState->m_pHT = pObject;
-        break;
-      case FXBSTR_ID('F', 'L', 0, 0):
-        pGeneralState->m_Flatness = pObject->GetNumber();
-        break;
-      case FXBSTR_ID('S', 'M', 0, 0):
-        pGeneralState->m_Smoothness = pObject->GetNumber();
-        break;
-      case FXBSTR_ID('S', 'A', 0, 0):
-        pGeneralState->m_StrokeAdjust = pObject->GetInteger();
-        break;
-      case FXBSTR_ID('A', 'I', 'S', 0):
-        pGeneralState->m_AlphaSource = pObject->GetInteger();
-        break;
-      case FXBSTR_ID('T', 'K', 0, 0):
-        pGeneralState->m_TextKnockout = pObject->GetInteger();
-        break;
-    }
-  }
-  pGeneralState->m_Matrix = m_CTM;
-}
-CPDF_ContentMarkItem::CPDF_ContentMarkItem() {
-  m_ParamType = None;
-}
-CPDF_ContentMarkItem::CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src) {
-  m_MarkName = src.m_MarkName;
-  m_ParamType = src.m_ParamType;
-  if (m_ParamType == DirectDict) {
-    m_pParam = ToDictionary(src.m_pParam->Clone());
-  } else {
-    m_pParam = src.m_pParam;
-  }
-}
-CPDF_ContentMarkItem::~CPDF_ContentMarkItem() {
-  if (m_ParamType == DirectDict && m_pParam)
-    m_pParam->Release();
-}
-FX_BOOL CPDF_ContentMarkItem::HasMCID() const {
-  if (m_pParam &&
-      (m_ParamType == DirectDict || m_ParamType == PropertiesDict)) {
-    return m_pParam->KeyExist("MCID");
-  }
-  return FALSE;
-}
-
-CPDF_ContentMarkData::CPDF_ContentMarkData(const CPDF_ContentMarkData& src)
-    : m_Marks(src.m_Marks) {}
-
-int CPDF_ContentMarkData::CountItems() const {
-  return pdfium::CollectionSize<int>(m_Marks);
-}
-
-int CPDF_ContentMarkData::GetMCID() const {
-  for (const auto& mark : m_Marks) {
-    CPDF_ContentMarkItem::ParamType type = mark.GetParamType();
-    if (type == CPDF_ContentMarkItem::PropertiesDict ||
-        type == CPDF_ContentMarkItem::DirectDict) {
-      CPDF_Dictionary* pDict = mark.GetParam();
-      if (pDict->KeyExist("MCID"))
-        return pDict->GetIntegerBy("MCID");
-    }
-  }
-  return -1;
-}
-
-void CPDF_ContentMarkData::AddMark(const CFX_ByteString& name,
-                                   CPDF_Dictionary* pDict,
-                                   FX_BOOL bDirect) {
-  CPDF_ContentMarkItem item;
-  item.SetName(name);
-  if (pDict) {
-    if (bDirect) {
-      item.SetParam(CPDF_ContentMarkItem::DirectDict,
-                    ToDictionary(pDict->Clone()));
-    } else {
-      item.SetParam(CPDF_ContentMarkItem::PropertiesDict, pDict);
-    }
-  }
-  m_Marks.push_back(item);
-}
-
-void CPDF_ContentMarkData::DeleteLastMark() {
-  if (!m_Marks.empty())
-    m_Marks.pop_back();
-}
-
-FX_BOOL CPDF_ContentMark::HasMark(const CFX_ByteStringC& mark) const {
-  if (!m_pObject) {
-    return FALSE;
-  }
-  for (int i = 0; i < m_pObject->CountItems(); i++) {
-    CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
-    if (item.GetName() == mark) {
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
-FX_BOOL CPDF_ContentMark::LookupMark(const CFX_ByteStringC& mark,
-                                     CPDF_Dictionary*& pDict) const {
-  if (!m_pObject) {
-    return FALSE;
-  }
-  for (int i = 0; i < m_pObject->CountItems(); i++) {
-    CPDF_ContentMarkItem& item = m_pObject->GetItem(i);
-    if (item.GetName() == mark) {
-      pDict = NULL;
-      if (item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict ||
-          item.GetParamType() == CPDF_ContentMarkItem::DirectDict) {
-        pDict = item.GetParam();
-      }
-      return TRUE;
-    }
-  }
-  return FALSE;
-}
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
index 247b0b9703..f66823657f 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_image.cpp
@@ -8,40 +8,7 @@
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 
-CPDF_ImageObject::CPDF_ImageObject() : m_pImage(nullptr) {}
-
-CPDF_ImageObject::~CPDF_ImageObject() {
-  if (!m_pImage) {
-    return;
-  }
-  if (m_pImage->IsInline() ||
-      (m_pImage->GetStream() && m_pImage->GetStream()->GetObjNum() == 0)) {
-    delete m_pImage;
-  } else {
-    m_pImage->GetDocument()->GetPageData()->ReleaseImage(m_pImage->GetStream());
-  }
-}
-
-CPDF_ImageObject* CPDF_ImageObject::Clone() const {
-  CPDF_ImageObject* obj = new CPDF_ImageObject;
-  obj->CopyData(this);
-
-  obj->m_pImage = m_pImage->Clone();
-  obj->m_Matrix = m_Matrix;
-  return obj;
-}
-
-void CPDF_ImageObject::Transform(const CFX_Matrix& matrix) {
-  m_Matrix.Concat(matrix);
-  CalcBoundingBox();
-}
-void CPDF_ImageObject::CalcBoundingBox() {
-  m_Left = m_Bottom = 0;
-  m_Right = m_Top = 1.0f;
-  m_Matrix.TransformRect(m_Left, m_Right, m_Top, m_Bottom);
-}
 void CPDF_Image::Release() {
   if (m_bInline || (m_pStream && m_pStream->GetObjNum() == 0)) {
     delete this;
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
index b62579813a..700103ed41 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser.cpp
@@ -9,7 +9,14 @@
 #include <vector>
 
 #include "core/fpdfapi/fpdf_edit/include/cpdf_creator.h"
+#include "core/fpdfapi/fpdf_page/cpdf_allstates.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
index c1bb70ff80..c9f05ac5ab 100644
--- a/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
+++ b/core/fpdfapi/fpdf_page/fpdf_page_parser_old.cpp
@@ -8,8 +8,11 @@
 
 #include <limits.h>
 
+#include "core/fpdfapi/fpdf_page/cpdf_allstates.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_path.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_boolean.h"
 #include "core/fpdfapi/fpdf_parser/cpdf_null.h"
 #include "core/fpdfapi/fpdf_parser/fpdf_parser_utility.h"
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_clippath.h b/core/fpdfapi/fpdf_page/include/cpdf_clippath.h
new file mode 100644
index 0000000000..4631e8266a
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_clippath.h
@@ -0,0 +1,34 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_CLIPPATH_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_CLIPPATH_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_clippathdata.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_path.h"
+#include "core/include/fxcrt/fx_basic.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_TextObject;
+
+class CPDF_ClipPath : public CFX_CountRef<CPDF_ClipPathData> {
+ public:
+  FX_DWORD GetPathCount() const { return m_pObject->m_PathCount; }
+  CPDF_Path GetPath(int i) const { return m_pObject->m_pPathList[i]; }
+  int GetClipType(int i) const { return m_pObject->m_pTypeList[i]; }
+  FX_DWORD GetTextCount() const { return m_pObject->m_TextCount; }
+  CPDF_TextObject* GetText(int i) const { return m_pObject->m_pTextList[i]; }
+  CFX_FloatRect GetClipBox() const;
+
+  void AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge);
+  void DeletePath(int layer_index);
+
+  void AppendTexts(CPDF_TextObject** pTexts, int count);
+  void Transform(const CFX_Matrix& matrix);
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_CLIPPATH_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_formobject.h b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h
new file mode 100644
index 0000000000..47d40e0e8b
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_formobject.h
@@ -0,0 +1,34 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORMOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORMOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+
+class Form;
+
+class CPDF_FormObject : public CPDF_PageObject {
+ public:
+  CPDF_FormObject();
+  ~CPDF_FormObject() override;
+
+  // CPDF_PageObject:
+  CPDF_FormObject* Clone() const override;
+  Type GetType() const override { return FORM; };
+  void Transform(const CFX_Matrix& matrix) override;
+  bool IsForm() const override { return true; };
+  CPDF_FormObject* AsForm() override { return this; };
+  const CPDF_FormObject* AsForm() const override { return this; };
+
+  void CalcBoundingBox();
+
+  CPDF_Form* m_pForm;
+  CFX_Matrix m_FormMatrix;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORMOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h b/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h
new file mode 100644
index 0000000000..3495b6c3ff
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_generalstate.h
@@ -0,0 +1,29 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h"
+#include "core/include/fxcrt/fx_basic.h"
+
+class CPDF_GeneralState : public CFX_CountRef<CPDF_GeneralStateData> {
+ public:
+  void SetRenderIntent(const CFX_ByteString& ri);
+
+  int GetBlendType() const {
+    return m_pObject ? m_pObject->m_BlendType : FXDIB_BLEND_NORMAL;
+  }
+
+  int GetAlpha(FX_BOOL bStroke) const {
+    if (!m_pObject)
+      return 255;
+    return FXSYS_round(
+        (bStroke ? m_pObject->m_StrokeAlpha : m_pObject->m_FillAlpha) * 255);
+  }
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATE_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h b/core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h
new file mode 100644
index 0000000000..f2e5510ccc
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_generalstatedata.h
@@ -0,0 +1,49 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATEDATA_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATEDATA_H_
+
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_string.h"
+#include "core/include/fxcrt/fx_system.h"
+#include "core/include/fxge/fx_dib.h"
+
+class CPDF_TransferFunc;
+class CPDF_Object;
+
+class CPDF_GeneralStateData {
+ public:
+  CPDF_GeneralStateData();
+  CPDF_GeneralStateData(const CPDF_GeneralStateData& src);
+  ~CPDF_GeneralStateData();
+
+  void SetBlendMode(const CFX_ByteStringC& blend_mode);
+
+  char m_BlendMode[16];
+  int m_BlendType;
+  CPDF_Object* m_pSoftMask;
+  FX_FLOAT m_SMaskMatrix[6];
+  FX_FLOAT m_StrokeAlpha;
+  FX_FLOAT m_FillAlpha;
+  CPDF_Object* m_pTR;
+  CPDF_TransferFunc* m_pTransferFunc;
+  CFX_Matrix m_Matrix;
+  int m_RenderIntent;
+  FX_BOOL m_StrokeAdjust;
+  FX_BOOL m_AlphaSource;
+  FX_BOOL m_TextKnockout;
+  FX_BOOL m_StrokeOP;
+  FX_BOOL m_FillOP;
+  int m_OPMode;
+  CPDF_Object* m_pBG;
+  CPDF_Object* m_pUCR;
+  CPDF_Object* m_pHT;
+  FX_FLOAT m_Flatness;
+  FX_FLOAT m_Smoothness;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_GENERALSTATEDATA_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_imageobject.h b/core/fpdfapi/fpdf_page/include/cpdf_imageobject.h
new file mode 100644
index 0000000000..dec60c9d9b
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_imageobject.h
@@ -0,0 +1,34 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGEOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGEOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+
+class CPDF_Image;
+
+class CPDF_ImageObject : public CPDF_PageObject {
+ public:
+  CPDF_ImageObject();
+  ~CPDF_ImageObject() override;
+
+  // CPDF_PageObject:
+  CPDF_ImageObject* Clone() const override;
+  Type GetType() const override { return IMAGE; };
+  void Transform(const CFX_Matrix& matrix) override;
+  bool IsImage() const override { return true; };
+  CPDF_ImageObject* AsImage() override { return this; };
+  const CPDF_ImageObject* AsImage() const override { return this; };
+
+  void CalcBoundingBox();
+
+  CPDF_Image* m_pImage;
+  CFX_Matrix m_Matrix;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_IMAGEOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_page.h b/core/fpdfapi/fpdf_page/include/cpdf_page.h
index 82c88d1c37..5e27ba2ec7 100644
--- a/core/fpdfapi/fpdf_page/include/cpdf_page.h
+++ b/core/fpdfapi/fpdf_page/include/cpdf_page.h
@@ -18,6 +18,9 @@ class CPDF_Object;
 class CPDF_PageRenderCache;
 class CPDF_ParseOptions;
 
+CPDF_Object* FPDFAPI_GetPageAttr(CPDF_Dictionary* pPageDict,
+                                 const CFX_ByteStringC& name);
+
 class CPDF_Page : public CPDF_PageObjectHolder, public CFX_PrivateData {
  public:
   CPDF_Page();
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_pageobject.h b/core/fpdfapi/fpdf_page/include/cpdf_pageobject.h
new file mode 100644
index 0000000000..2f55547b47
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_pageobject.h
@@ -0,0 +1,71 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_contentmark.h"
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_TextObject;
+class CPDF_PathObject;
+class CPDF_ImageObject;
+class CPDF_ShadingObject;
+class CPDF_FormObject;
+
+class CPDF_PageObject : public CPDF_GraphicStates {
+ public:
+  enum Type {
+    TEXT = 1,
+    PATH,
+    IMAGE,
+    SHADING,
+    FORM,
+  };
+
+  CPDF_PageObject();
+  virtual ~CPDF_PageObject();
+
+  virtual CPDF_PageObject* Clone() const = 0;
+  virtual Type GetType() const = 0;
+  virtual void Transform(const CFX_Matrix& matrix) = 0;
+  virtual bool IsText() const { return false; }
+  virtual bool IsPath() const { return false; }
+  virtual bool IsImage() const { return false; }
+  virtual bool IsShading() const { return false; }
+  virtual bool IsForm() const { return false; }
+  virtual CPDF_TextObject* AsText() { return nullptr; }
+  virtual const CPDF_TextObject* AsText() const { return nullptr; }
+  virtual CPDF_PathObject* AsPath() { return nullptr; }
+  virtual const CPDF_PathObject* AsPath() const { return nullptr; }
+  virtual CPDF_ImageObject* AsImage() { return nullptr; }
+  virtual const CPDF_ImageObject* AsImage() const { return nullptr; }
+  virtual CPDF_ShadingObject* AsShading() { return nullptr; }
+  virtual const CPDF_ShadingObject* AsShading() const { return nullptr; }
+  virtual CPDF_FormObject* AsForm() { return nullptr; }
+  virtual const CPDF_FormObject* AsForm() const { return nullptr; }
+
+  void TransformClipPath(CFX_Matrix& matrix);
+  void TransformGeneralState(CFX_Matrix& matrix);
+  FX_RECT GetBBox(const CFX_Matrix* pMatrix) const;
+
+  FX_FLOAT m_Left;
+  FX_FLOAT m_Right;
+  FX_FLOAT m_Top;
+  FX_FLOAT m_Bottom;
+  CPDF_ContentMark m_ContentMark;
+
+ protected:
+  void CopyData(const CPDF_PageObject* pSrcObject);
+
+ private:
+  CPDF_PageObject(const CPDF_PageObject& src) = delete;
+  void operator=(const CPDF_PageObject& src) = delete;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_path.h b/core/fpdfapi/fpdf_page/include/cpdf_path.h
new file mode 100644
index 0000000000..a90115486a
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_path.h
@@ -0,0 +1,50 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATH_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATH_H_
+
+#include "core/include/fxcrt/fx_system.h"
+#include "core/include/fxge/fx_ge.h"
+
+class CPDF_Path : public CFX_CountRef<CFX_PathData> {
+ public:
+  int GetPointCount() const { return m_pObject->m_PointCount; }
+  int GetFlag(int index) const { return m_pObject->m_pPoints[index].m_Flag; }
+
+  FX_FLOAT GetPointX(int index) const {
+    return m_pObject->m_pPoints[index].m_PointX;
+  }
+
+  FX_FLOAT GetPointY(int index) const {
+    return m_pObject->m_pPoints[index].m_PointY;
+  }
+
+  FX_PATHPOINT* GetPoints() const { return m_pObject->m_pPoints; }
+  CFX_FloatRect GetBoundingBox() const { return m_pObject->GetBoundingBox(); }
+
+  CFX_FloatRect GetBoundingBox(FX_FLOAT line_width,
+                               FX_FLOAT miter_limit) const {
+    return m_pObject->GetBoundingBox(line_width, miter_limit);
+  }
+
+  FX_BOOL IsRect() const { return m_pObject->IsRect(); }
+
+  void Transform(const CFX_Matrix* pMatrix) { GetModify()->Transform(pMatrix); }
+
+  void Append(CPDF_Path src, const CFX_Matrix* pMatrix) {
+    m_pObject->Append(src.m_pObject, pMatrix);
+  }
+
+  void AppendRect(FX_FLOAT left,
+                  FX_FLOAT bottom,
+                  FX_FLOAT right,
+                  FX_FLOAT top) {
+    m_pObject->AppendRect(left, bottom, right, top);
+  }
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATH_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_pathobject.h b/core/fpdfapi/fpdf_page/include/cpdf_pathobject.h
new file mode 100644
index 0000000000..30df0c2937
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_pathobject.h
@@ -0,0 +1,36 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATHOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATHOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_path.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_PathObject : public CPDF_PageObject {
+ public:
+  CPDF_PathObject();
+  ~CPDF_PathObject() override;
+
+  // CPDF_PageObject:
+  CPDF_PathObject* Clone() const override;
+  Type GetType() const override { return PATH; };
+  void Transform(const CFX_Matrix& maxtrix) override;
+  bool IsPath() const override { return true; };
+  CPDF_PathObject* AsPath() override { return this; };
+  const CPDF_PathObject* AsPath() const override { return this; };
+
+  void CalcBoundingBox();
+
+  CPDF_Path m_Path;
+  int m_FillType;
+  FX_BOOL m_bStroke;
+  CFX_Matrix m_Matrix;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PATHOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h b/core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h
new file mode 100644
index 0000000000..f43a1e3a4f
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h
@@ -0,0 +1,34 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_SHADINGOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_SHADINGOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+
+class CPDF_ShadingPattern;
+
+class CPDF_ShadingObject : public CPDF_PageObject {
+ public:
+  CPDF_ShadingObject();
+  ~CPDF_ShadingObject() override;
+
+  // CPDF_PageObject:
+  CPDF_ShadingObject* Clone() const override;
+  Type GetType() const override { return SHADING; };
+  void Transform(const CFX_Matrix& matrix) override;
+  bool IsShading() const override { return true; };
+  CPDF_ShadingObject* AsShading() override { return this; };
+  const CPDF_ShadingObject* AsShading() const override { return this; };
+
+  void CalcBoundingBox();
+
+  CPDF_ShadingPattern* m_pShading;
+  CFX_Matrix m_Matrix;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_SHADINGOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_textobject.h b/core/fpdfapi/fpdf_page/include/cpdf_textobject.h
new file mode 100644
index 0000000000..9aaa2f0160
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_textobject.h
@@ -0,0 +1,69 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/include/fxcrt/fx_string.h"
+#include "core/include/fxcrt/fx_system.h"
+
+struct CPDF_TextObjectItem {
+  FX_DWORD m_CharCode;
+  FX_FLOAT m_OriginX;
+  FX_FLOAT m_OriginY;
+};
+
+class CPDF_TextObject : public CPDF_PageObject {
+ public:
+  CPDF_TextObject();
+  ~CPDF_TextObject() override;
+
+  // CPDF_PageObject:
+  CPDF_TextObject* Clone() const override;
+  Type GetType() const override { return TEXT; };
+  void Transform(const CFX_Matrix& matrix) override;
+  bool IsText() const override { return true; };
+  CPDF_TextObject* AsText() override { return this; };
+  const CPDF_TextObject* AsText() const override { return this; };
+
+  int CountItems() const { return m_nChars; }
+  void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const;
+  int CountChars() const;
+  void GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const;
+  void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
+  FX_FLOAT GetCharWidth(FX_DWORD charcode) const;
+  FX_FLOAT GetPosX() const { return m_PosX; }
+  FX_FLOAT GetPosY() const { return m_PosY; }
+  void GetTextMatrix(CFX_Matrix* pMatrix) const;
+  CPDF_Font* GetFont() const { return m_TextState.GetFont(); }
+  FX_FLOAT GetFontSize() const { return m_TextState.GetFontSize(); }
+
+  void SetText(const CFX_ByteString& text);
+  void SetPosition(FX_FLOAT x, FX_FLOAT y);
+
+  void RecalcPositionData() { CalcPositionData(nullptr, nullptr, 1); }
+
+ protected:
+  friend class CPDF_RenderStatus;
+  friend class CPDF_StreamContentParser;
+  friend class CPDF_TextRenderer;
+
+  void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
+
+  void CalcPositionData(FX_FLOAT* pTextAdvanceX,
+                        FX_FLOAT* pTextAdvanceY,
+                        FX_FLOAT horz_scale,
+                        int level = 0);
+
+  FX_FLOAT m_PosX;
+  FX_FLOAT m_PosY;
+  int m_nChars;
+  FX_DWORD* m_pCharCodes;
+  FX_FLOAT* m_pCharPos;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTOBJECT_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h b/core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h
new file mode 100644
index 0000000000..1fcc1fe8c2
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_textstatedata.h
@@ -0,0 +1,31 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_
+
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Font;
+class CPDF_Document;
+
+class CPDF_TextStateData {
+ public:
+  CPDF_TextStateData();
+  CPDF_TextStateData(const CPDF_TextStateData& src);
+  ~CPDF_TextStateData();
+
+  CPDF_Font* m_pFont;
+  CPDF_Document* m_pDocument;
+  FX_FLOAT m_FontSize;
+  FX_FLOAT m_CharSpace;
+  FX_FLOAT m_WordSpace;
+  FX_FLOAT m_Matrix[4];
+  int m_TextMode;
+  FX_FLOAT m_CTM[4];
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_TEXTSTATEDATA_H_
diff --git a/core/fpdfapi/fpdf_page/pageint.h b/core/fpdfapi/fpdf_page/pageint.h
index eab3d42b2b..e6a150072e 100644
--- a/core/fpdfapi/fpdf_page/pageint.h
+++ b/core/fpdfapi/fpdf_page/pageint.h
@@ -12,13 +12,25 @@
 #include <unordered_map>
 #include <vector>
 
+#include "core/fpdfapi/fpdf_page/cpdf_contentmark.h"
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
+#include "core/include/fxge/fx_ge.h"
 
 class CPDF_AllStates;
-class CPDF_ParseOptions;
+class CPDF_ColorSpace;
+class CPDF_Font;
+class CPDF_FontEncoding;
+class CPDF_Form;
 class CPDF_IccProfile;
+class CPDF_Image;
+class CPDF_ImageObject;
+class CPDF_ParseOptions;
+class CPDF_Pattern;
+class CPDF_StreamAcc;
+class CPDF_TextObject;
+class CPDF_Type3Char;
 
 #define PARSE_STEP_LIMIT 100
 
@@ -308,17 +320,6 @@ class CPDF_ContentParser {
   FX_DWORD m_CurrentOffset;
   std::unique_ptr<CPDF_StreamContentParser> m_pParser;
 };
-class CPDF_AllStates : public CPDF_GraphicStates {
- public:
-  CPDF_AllStates();
-  ~CPDF_AllStates();
-  void Copy(const CPDF_AllStates& src);
-  void ProcessExtGS(CPDF_Dictionary* pGS, CPDF_StreamContentParser* pParser);
-  void SetLineDash(CPDF_Array*, FX_FLOAT, FX_FLOAT scale);
-  CFX_Matrix m_TextMatrix, m_CTM, m_ParentMatrix;
-  FX_FLOAT m_TextX, m_TextY, m_TextLineX, m_TextLineY;
-  FX_FLOAT m_TextLeading, m_TextRise, m_TextHorzScale;
-};
 
 class CPDF_DocPageData {
  public:
diff --git a/core/fpdfapi/fpdf_parser/ipdf_occontext.cpp b/core/fpdfapi/fpdf_parser/ipdf_occontext.cpp
index 56a2412d9a..0b98b9889e 100644
--- a/core/fpdfapi/fpdf_parser/ipdf_occontext.cpp
+++ b/core/fpdfapi/fpdf_parser/ipdf_occontext.cpp
@@ -6,7 +6,8 @@
 
 #include "core/fpdfapi/fpdf_parser/ipdf_occontext.h"
 
-#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/fpdfapi/fpdf_page/cpdf_contentmarkitem.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
 
 IPDF_OCContext::~IPDF_OCContext() {}
 
diff --git a/core/fpdfapi/fpdf_render/fpdf_render.cpp b/core/fpdfapi/fpdf_render/fpdf_render.cpp
index b52a7459eb..3f79abe1b8 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render.cpp
@@ -6,8 +6,15 @@
 
 #include "core/fpdfapi/fpdf_render/render_int.h"
 
+#include "core/fpdfapi/fpdf_page/cpdf_colorstatedata.h"
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_cache.cpp b/core/fpdfapi/fpdf_render/fpdf_render_cache.cpp
index 298dea0504..15c7dcffcc 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_cache.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_cache.cpp
@@ -12,7 +12,6 @@
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
 #include "core/fpdfapi/fpdf_render/render_int.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxge/fx_ge.h"
 
 struct CACHEINFO {
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
index b2c89853d7..e16016445e 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_image.cpp
@@ -11,6 +11,7 @@
 
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
@@ -20,7 +21,6 @@
 #include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxcodec/fx_codec.h"
 #include "core/include/fxcrt/fx_safe_types.h"
 #include "core/include/fxge/fx_ge.h"
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
index 56af308232..193d0874f1 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_loadimage.cpp
@@ -11,13 +11,13 @@
 #include <vector>
 
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_render/cpdf_pagerendercache.h"
 #include "core/fpdfapi/include/cpdf_modulemgr.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxcodec/fx_codec.h"
 #include "core/include/fxcrt/fx_safe_types.h"
 #include "core/include/fxge/fx_ge.h"
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
index 8fef5b3ae4..9006f2011f 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_pattern.cpp
@@ -6,14 +6,17 @@
 
 #include "core/fpdfapi/fpdf_render/render_int.h"
 
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_shadingobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxge/fx_ge.h"
 
 #define SHADING_STEPS 256
diff --git a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
index 07790bdf4d..fe72bb3aee 100644
--- a/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
+++ b/core/fpdfapi/fpdf_render/fpdf_render_text.cpp
@@ -8,12 +8,15 @@
 
 #include "core/fpdfapi/fpdf_page/cpdf_parseoptions.h"
 #include "core/fpdfapi/fpdf_page/include/cpdf_form.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_imageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pathobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_page/pageint.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_textrenderer.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxge/fx_ge.h"
 
 CPDF_Type3Cache::~CPDF_Type3Cache() {
diff --git a/core/fpdfapi/fpdf_render/render_int.h b/core/fpdfapi/fpdf_render/render_int.h
index f4cc02357b..b171b60fbe 100644
--- a/core/fpdfapi/fpdf_render/render_int.h
+++ b/core/fpdfapi/fpdf_render/render_int.h
@@ -10,8 +10,10 @@
 #include <map>
 #include <memory>
 
+#include "core/fpdfapi/fpdf_page/cpdf_graphicstates.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_clippath.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
+#include "core/include/fpdfapi/fpdf_resource.h"
 
 class CPDF_PageObjectHolder;
 class CPDF_PageRenderCache;
@@ -21,6 +23,23 @@ class CFX_ImageTransformer;
 class CPDF_ImageCacheEntry;
 class CPDF_ImageLoaderHandle;
 class ICodec_ScanlineDecoder;
+class CPDF_Type3Font;
+class CPDF_Type3Cache;
+class CPDF_Type3Char;
+class CPDF_TransferFunc;
+class CPDF_Document;
+class CPDF_Object;
+class CFX_FontCache;
+class CPDF_Font;
+class CPDF_PageObject;
+class CPDF_PathObject;
+class CPDF_ShadingObject;
+class CPDF_FormObject;
+class CPDF_ShadingPattern;
+class CPDF_TilingPattern;
+class CPDF_Color;
+class CPDF_Dictionary;
+class CPDF_ImageObject;
 
 #define TYPE3_MAX_BLUES 16
 
diff --git a/core/fpdfdoc/doc_annot.cpp b/core/fpdfdoc/doc_annot.cpp
index 52f21922c7..9a407482f1 100644
--- a/core/fpdfdoc/doc_annot.cpp
+++ b/core/fpdfdoc/doc_annot.cpp
@@ -12,8 +12,8 @@
 #include "core/fpdfapi/fpdf_parser/ipdf_occontext.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_rendercontext.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfdoc/fpdf_doc.h"
+#include "core/include/fxge/fx_ge.h"
 
 CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage)
     : m_pDocument(pPage->m_pDocument) {
diff --git a/core/fpdftext/fpdf_text_int.cpp b/core/fpdftext/fpdf_text_int.cpp
index be01648d45..9a2a8c1bde 100644
--- a/core/fpdftext/fpdf_text_int.cpp
+++ b/core/fpdftext/fpdf_text_int.cpp
@@ -13,13 +13,15 @@
 #include <utility>
 #include <vector>
 
+#include "core/fpdfapi/fpdf_page/include/cpdf_formobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobject.h"
+#include "core/fpdfapi/fpdf_page/include/cpdf_textobject.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
 #include "core/fpdfapi/fpdf_parser/include/cpdf_string.h"
 #include "core/fpdftext/include/ipdf_linkextract.h"
 #include "core/fpdftext/include/ipdf_textpage.h"
 #include "core/fpdftext/include/ipdf_textpagefind.h"
 #include "core/fpdftext/unicodenormalization.h"
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fpdfapi/fpdf_resource.h"
 #include "core/include/fxcrt/fx_bidi.h"
 #include "core/include/fxcrt/fx_ext.h"
diff --git a/core/fpdftext/fpdf_text_int.h b/core/fpdftext/fpdf_text_int.h
index dc82d3f7d7..c0885b59b7 100644
--- a/core/fpdftext/fpdf_text_int.h
+++ b/core/fpdftext/fpdf_text_int.h
@@ -22,6 +22,7 @@ class CFX_BidiChar;
 class CPDF_FormObject;
 class CPDF_LinkExtract;
 class CPDF_TextPageFind;
+class CPDF_Font;
 
 #define FPDFTEXT_CHAR_ERROR -1
 #define FPDFTEXT_CHAR_NORMAL 0
diff --git a/core/fpdftext/include/ipdf_textpage.h b/core/fpdftext/include/ipdf_textpage.h
index 6808eae511..ad3bea8062 100644
--- a/core/fpdftext/include/ipdf_textpage.h
+++ b/core/fpdftext/include/ipdf_textpage.h
@@ -7,10 +7,12 @@
 #ifndef CORE_FPDFTEXT_INCLUDE_IPDF_TEXTPAGE_H_
 #define CORE_FPDFTEXT_INCLUDE_IPDF_TEXTPAGE_H_
 
-#include "core/include/fpdfapi/fpdf_pageobj.h"
 #include "core/include/fxcrt/fx_coordinates.h"
 #include "core/include/fxcrt/fx_system.h"
 
+class CPDF_TextObject;
+class CPDF_Page;
+
 struct FPDF_CHAR_INFO {
   FX_WCHAR m_Unicode;
   FX_WCHAR m_Charcode;
diff --git a/core/include/fpdfapi/fpdf_pageobj.h b/core/include/fpdfapi/fpdf_pageobj.h
deleted file mode 100644
index 388409742a..0000000000
--- a/core/include/fpdfapi/fpdf_pageobj.h
+++ /dev/null
@@ -1,464 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#ifndef CORE_INCLUDE_FPDFAPI_FPDF_PAGEOBJ_H_
-#define CORE_INCLUDE_FPDFAPI_FPDF_PAGEOBJ_H_
-
-#include <vector>
-
-#include "core/include/fpdfapi/fpdf_resource.h"
-#include "core/include/fxge/fx_ge.h"
-
-class CPDF_ClipPath;
-class CPDF_ClipPathData;
-class CPDF_ColorState;
-class CPDF_ColorStateData;
-class CPDF_ContentMark;
-class CPDF_ContentMarkItem;
-class CPDF_FormObject;
-class CPDF_GeneralState;
-class CPDF_GeneralStateData;
-class CPDF_GraphicStates;
-class CPDF_GraphState;
-class CPDF_ImageObject;
-class CPDF_PageObject;
-class CPDF_Path;
-class CPDF_PathObject;
-class CPDF_ShadingObject;
-class CPDF_TextObject;
-class CPDF_TextState;
-class CPDF_TextStateData;
-class CPDF_TransferFunc;
-
-class CPDF_Path : public CFX_CountRef<CFX_PathData> {
- public:
-  int GetPointCount() const { return m_pObject->m_PointCount; }
-  int GetFlag(int index) const { return m_pObject->m_pPoints[index].m_Flag; }
-  FX_FLOAT GetPointX(int index) const {
-    return m_pObject->m_pPoints[index].m_PointX;
-  }
-  FX_FLOAT GetPointY(int index) const {
-    return m_pObject->m_pPoints[index].m_PointY;
-  }
-  FX_PATHPOINT* GetPoints() const { return m_pObject->m_pPoints; }
-  CFX_FloatRect GetBoundingBox() const { return m_pObject->GetBoundingBox(); }
-  CFX_FloatRect GetBoundingBox(FX_FLOAT line_width,
-                               FX_FLOAT miter_limit) const {
-    return m_pObject->GetBoundingBox(line_width, miter_limit);
-  }
-  FX_BOOL IsRect() const { return m_pObject->IsRect(); }
-
-  void Transform(const CFX_Matrix* pMatrix) { GetModify()->Transform(pMatrix); }
-  void Append(CPDF_Path src, const CFX_Matrix* pMatrix) {
-    m_pObject->Append(src.m_pObject, pMatrix);
-  }
-  void AppendRect(FX_FLOAT left,
-                  FX_FLOAT bottom,
-                  FX_FLOAT right,
-                  FX_FLOAT top) {
-    m_pObject->AppendRect(left, bottom, right, top);
-  }
-};
-
-class CPDF_ClipPathData {
- public:
-  CPDF_ClipPathData();
-  CPDF_ClipPathData(const CPDF_ClipPathData&);
-  ~CPDF_ClipPathData();
-
-  void SetCount(int path_count, int text_count);
-
-  int m_PathCount;
-  CPDF_Path* m_pPathList;
-  uint8_t* m_pTypeList;
-  int m_TextCount;
-  CPDF_TextObject** m_pTextList;
-};
-
-class CPDF_ClipPath : public CFX_CountRef<CPDF_ClipPathData> {
- public:
-  FX_DWORD GetPathCount() const { return m_pObject->m_PathCount; }
-  CPDF_Path GetPath(int i) const { return m_pObject->m_pPathList[i]; }
-  int GetClipType(int i) const { return m_pObject->m_pTypeList[i]; }
-  FX_DWORD GetTextCount() const { return m_pObject->m_TextCount; }
-  CPDF_TextObject* GetText(int i) const { return m_pObject->m_pTextList[i]; }
-  CFX_FloatRect GetClipBox() const;
-  void AppendPath(CPDF_Path path, int type, FX_BOOL bAutoMerge);
-  void DeletePath(int layer_index);
-  void AppendTexts(CPDF_TextObject** pTexts, int count);
-  void Transform(const CFX_Matrix& matrix);
-};
-
-class CPDF_ColorStateData {
- public:
-  CPDF_ColorStateData() : m_FillRGB(0), m_StrokeRGB(0) {}
-  CPDF_ColorStateData(const CPDF_ColorStateData& src);
-
-  void Default();
-
-  CPDF_Color m_FillColor;
-  FX_DWORD m_FillRGB;
-  CPDF_Color m_StrokeColor;
-  FX_DWORD m_StrokeRGB;
-};
-
-class CPDF_ColorState : public CFX_CountRef<CPDF_ColorStateData> {
- public:
-  CPDF_Color* GetFillColor() const {
-    return m_pObject ? &m_pObject->m_FillColor : nullptr;
-  }
-
-  CPDF_Color* GetStrokeColor() const {
-    return m_pObject ? &m_pObject->m_StrokeColor : nullptr;
-  }
-
-  void SetFillColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
-  void SetStrokeColor(CPDF_ColorSpace* pCS, FX_FLOAT* pValue, int nValues);
-  void SetFillPattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
-  void SetStrokePattern(CPDF_Pattern* pattern, FX_FLOAT* pValue, int nValues);
-
- private:
-  void SetColor(CPDF_Color& color,
-                FX_DWORD& rgb,
-                CPDF_ColorSpace* pCS,
-                FX_FLOAT* pValue,
-                int nValues);
-};
-
-class CPDF_GraphState : public CFX_CountRef<CFX_GraphStateData> {
-};
-
-class CPDF_TextStateData {
- public:
-  CPDF_TextStateData();
-  CPDF_TextStateData(const CPDF_TextStateData& src);
-  ~CPDF_TextStateData();
-
-  CPDF_Font* m_pFont;
-  CPDF_Document* m_pDocument;
-  FX_FLOAT m_FontSize;
-  FX_FLOAT m_CharSpace;
-  FX_FLOAT m_WordSpace;
-  FX_FLOAT m_Matrix[4];
-  int m_TextMode;
-  FX_FLOAT m_CTM[4];
-};
-
-class CPDF_TextState : public CFX_CountRef<CPDF_TextStateData> {
- public:
-  CPDF_Font* GetFont() const { return m_pObject->m_pFont; }
-  void SetFont(CPDF_Font* pFont);
-  FX_FLOAT GetFontSize() const { return m_pObject->m_FontSize; }
-  FX_FLOAT* GetMatrix() const { return m_pObject->m_Matrix; }
-  FX_FLOAT GetFontSizeV() const;
-  FX_FLOAT GetFontSizeH() const;
-  FX_FLOAT GetBaselineAngle() const;
-  FX_FLOAT GetShearAngle() const;
-};
-
-class CPDF_GeneralStateData {
- public:
-  CPDF_GeneralStateData();
-  CPDF_GeneralStateData(const CPDF_GeneralStateData& src);
-  ~CPDF_GeneralStateData();
-
-  void SetBlendMode(const CFX_ByteStringC& blend_mode);
-
-  char m_BlendMode[16];
-  int m_BlendType;
-  CPDF_Object* m_pSoftMask;
-  FX_FLOAT m_SMaskMatrix[6];
-  FX_FLOAT m_StrokeAlpha;
-  FX_FLOAT m_FillAlpha;
-  CPDF_Object* m_pTR;
-  CPDF_TransferFunc* m_pTransferFunc;
-  CFX_Matrix m_Matrix;
-  int m_RenderIntent;
-  FX_BOOL m_StrokeAdjust;
-  FX_BOOL m_AlphaSource;
-  FX_BOOL m_TextKnockout;
-  FX_BOOL m_StrokeOP;
-  FX_BOOL m_FillOP;
-  int m_OPMode;
-  CPDF_Object* m_pBG;
-  CPDF_Object* m_pUCR;
-  CPDF_Object* m_pHT;
-  FX_FLOAT m_Flatness;
-  FX_FLOAT m_Smoothness;
-};
-
-class CPDF_GeneralState : public CFX_CountRef<CPDF_GeneralStateData> {
- public:
-  void SetRenderIntent(const CFX_ByteString& ri);
-
-  int GetBlendType() const {
-    return m_pObject ? m_pObject->m_BlendType : FXDIB_BLEND_NORMAL;
-  }
-
-  int GetAlpha(FX_BOOL bStroke) const {
-    return m_pObject ? FXSYS_round((bStroke ? m_pObject->m_StrokeAlpha
-                                            : m_pObject->m_FillAlpha) *
-                                   255)
-                     : 255;
-  }
-};
-
-class CPDF_ContentMarkItem {
- public:
-  enum ParamType { None, PropertiesDict, DirectDict };
-
-  CPDF_ContentMarkItem();
-  CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src);
-  ~CPDF_ContentMarkItem();
-
-  const CFX_ByteString& GetName() const { return m_MarkName; }
-  ParamType GetParamType() const { return m_ParamType; }
-  CPDF_Dictionary* GetParam() const { return m_pParam; }
-  FX_BOOL HasMCID() const;
-  void SetName(const CFX_ByteString& name) { m_MarkName = name; }
-  void SetParam(ParamType type, CPDF_Dictionary* param) {
-    m_ParamType = type;
-    m_pParam = param;
-  }
-
- private:
-  CFX_ByteString m_MarkName;
-  ParamType m_ParamType;
-  CPDF_Dictionary* m_pParam;
-};
-
-class CPDF_ContentMarkData {
- public:
-  CPDF_ContentMarkData() {}
-  CPDF_ContentMarkData(const CPDF_ContentMarkData& src);
-
-  int CountItems() const;
-  CPDF_ContentMarkItem& GetItem(int index) { return m_Marks[index]; }
-  const CPDF_ContentMarkItem& GetItem(int index) const {
-    return m_Marks[index];
-  }
-
-  int GetMCID() const;
-  void AddMark(const CFX_ByteString& name,
-               CPDF_Dictionary* pDict,
-               FX_BOOL bDictNeedClone);
-  void DeleteLastMark();
-
- private:
-  std::vector<CPDF_ContentMarkItem> m_Marks;
-};
-
-class CPDF_ContentMark : public CFX_CountRef<CPDF_ContentMarkData> {
- public:
-  int GetMCID() const { return m_pObject ? m_pObject->GetMCID() : -1; }
-
-  FX_BOOL HasMark(const CFX_ByteStringC& mark) const;
-
-  FX_BOOL LookupMark(const CFX_ByteStringC& mark,
-                     CPDF_Dictionary*& pDict) const;
-};
-
-class CPDF_GraphicStates {
- public:
-  void CopyStates(const CPDF_GraphicStates& src);
-
-  void DefaultStates();
-
-  CPDF_ClipPath m_ClipPath;
-
-  CPDF_GraphState m_GraphState;
-
-  CPDF_ColorState m_ColorState;
-
-  CPDF_TextState m_TextState;
-
-  CPDF_GeneralState m_GeneralState;
-};
-
-class CPDF_PageObject : public CPDF_GraphicStates {
- public:
-  enum Type {
-    TEXT = 1,
-    PATH,
-    IMAGE,
-    SHADING,
-    FORM,
-  };
-
-  CPDF_PageObject();
-  virtual ~CPDF_PageObject();
-
-  virtual CPDF_PageObject* Clone() const = 0;
-  virtual Type GetType() const = 0;
-  virtual void Transform(const CFX_Matrix& matrix) = 0;
-  virtual bool IsText() const { return false; }
-  virtual bool IsPath() const { return false; }
-  virtual bool IsImage() const { return false; }
-  virtual bool IsShading() const { return false; }
-  virtual bool IsForm() const { return false; }
-  virtual CPDF_TextObject* AsText() { return nullptr; }
-  virtual const CPDF_TextObject* AsText() const { return nullptr; }
-  virtual CPDF_PathObject* AsPath() { return nullptr; }
-  virtual const CPDF_PathObject* AsPath() const { return nullptr; }
-  virtual CPDF_ImageObject* AsImage() { return nullptr; }
-  virtual const CPDF_ImageObject* AsImage() const { return nullptr; }
-  virtual CPDF_ShadingObject* AsShading() { return nullptr; }
-  virtual const CPDF_ShadingObject* AsShading() const { return nullptr; }
-  virtual CPDF_FormObject* AsForm() { return nullptr; }
-  virtual const CPDF_FormObject* AsForm() const { return nullptr; }
-
-  void TransformClipPath(CFX_Matrix& matrix);
-  void TransformGeneralState(CFX_Matrix& matrix);
-  FX_RECT GetBBox(const CFX_Matrix* pMatrix) const;
-
-  FX_FLOAT m_Left;
-  FX_FLOAT m_Right;
-  FX_FLOAT m_Top;
-  FX_FLOAT m_Bottom;
-  CPDF_ContentMark m_ContentMark;
-
- protected:
-  void CopyData(const CPDF_PageObject* pSrcObject);
-
- private:
-  CPDF_PageObject(const CPDF_PageObject& src) = delete;
-  void operator=(const CPDF_PageObject& src) = delete;
-};
-
-struct CPDF_TextObjectItem {
-  FX_DWORD m_CharCode;
-  FX_FLOAT m_OriginX;
-  FX_FLOAT m_OriginY;
-};
-
-class CPDF_TextObject : public CPDF_PageObject {
- public:
-  CPDF_TextObject();
-  ~CPDF_TextObject() override;
-
-  // CPDF_PageObject:
-  CPDF_TextObject* Clone() const override;
-  Type GetType() const override { return TEXT; };
-  void Transform(const CFX_Matrix& matrix) override;
-  bool IsText() const override { return true; };
-  CPDF_TextObject* AsText() override { return this; };
-  const CPDF_TextObject* AsText() const override { return this; };
-
-  int CountItems() const { return m_nChars; }
-  void GetItemInfo(int index, CPDF_TextObjectItem* pInfo) const;
-  int CountChars() const;
-  void GetCharInfo(int index, FX_DWORD& charcode, FX_FLOAT& kerning) const;
-  void GetCharInfo(int index, CPDF_TextObjectItem* pInfo) const;
-  FX_FLOAT GetCharWidth(FX_DWORD charcode) const;
-  FX_FLOAT GetPosX() const { return m_PosX; }
-  FX_FLOAT GetPosY() const { return m_PosY; }
-  void GetTextMatrix(CFX_Matrix* pMatrix) const;
-  CPDF_Font* GetFont() const { return m_TextState.GetFont(); }
-  FX_FLOAT GetFontSize() const { return m_TextState.GetFontSize(); }
-
-  void SetText(const CFX_ByteString& text);
-  void SetPosition(FX_FLOAT x, FX_FLOAT y);
-
-  void RecalcPositionData() { CalcPositionData(nullptr, nullptr, 1); }
-
- protected:
-  friend class CPDF_RenderStatus;
-  friend class CPDF_StreamContentParser;
-  friend class CPDF_TextRenderer;
-
-  void SetSegments(const CFX_ByteString* pStrs, FX_FLOAT* pKerning, int nSegs);
-
-  void CalcPositionData(FX_FLOAT* pTextAdvanceX,
-                        FX_FLOAT* pTextAdvanceY,
-                        FX_FLOAT horz_scale,
-                        int level = 0);
-
-  FX_FLOAT m_PosX;
-  FX_FLOAT m_PosY;
-  int m_nChars;
-  FX_DWORD* m_pCharCodes;
-  FX_FLOAT* m_pCharPos;
-};
-
-class CPDF_PathObject : public CPDF_PageObject {
- public:
-  CPDF_PathObject();
-  ~CPDF_PathObject() override;
-
-  // CPDF_PageObject:
-  CPDF_PathObject* Clone() const override;
-  Type GetType() const override { return PATH; };
-  void Transform(const CFX_Matrix& maxtrix) override;
-  bool IsPath() const override { return true; };
-  CPDF_PathObject* AsPath() override { return this; };
-  const CPDF_PathObject* AsPath() const override { return this; };
-
-  void CalcBoundingBox();
-
-  CPDF_Path m_Path;
-  int m_FillType;
-  FX_BOOL m_bStroke;
-  CFX_Matrix m_Matrix;
-};
-
-class CPDF_ImageObject : public CPDF_PageObject {
- public:
-  CPDF_ImageObject();
-  ~CPDF_ImageObject() override;
-
-  // CPDF_PageObject:
-  CPDF_ImageObject* Clone() const override;
-  Type GetType() const override { return IMAGE; };
-  void Transform(const CFX_Matrix& matrix) override;
-  bool IsImage() const override { return true; };
-  CPDF_ImageObject* AsImage() override { return this; };
-  const CPDF_ImageObject* AsImage() const override { return this; };
-
-  void CalcBoundingBox();
-
-  CPDF_Image* m_pImage;
-  CFX_Matrix m_Matrix;
-};
-
-class CPDF_ShadingObject : public CPDF_PageObject {
- public:
-  CPDF_ShadingObject();
-  ~CPDF_ShadingObject() override;
-
-  // CPDF_PageObject:
-  CPDF_ShadingObject* Clone() const override;
-  Type GetType() const override { return SHADING; };
-  void Transform(const CFX_Matrix& matrix) override;
-  bool IsShading() const override { return true; };
-  CPDF_ShadingObject* AsShading() override { return this; };
-  const CPDF_ShadingObject* AsShading() const override { return this; };
-
-  void CalcBoundingBox();
-
-  CPDF_ShadingPattern* m_pShading;
-  CFX_Matrix m_Matrix;
-};
-
-class CPDF_FormObject : public CPDF_PageObject {
- public:
-  CPDF_FormObject();
-  ~CPDF_FormObject() override;
-
-  // CPDF_PageObject:
-  CPDF_FormObject* Clone() const override;
-  Type GetType() const override { return FORM; };
-  void Transform(const CFX_Matrix& matrix) override;
-  bool IsForm() const override { return true; };
-  CPDF_FormObject* AsForm() override { return this; };
-  const CPDF_FormObject* AsForm() const override { return this; };
-
-  void CalcBoundingBox();
-
-  CPDF_Form* m_pForm;
-  CFX_Matrix m_FormMatrix;
-};
-
-#endif  // CORE_INCLUDE_FPDFAPI_FPDF_PAGEOBJ_H_