Move core/include/fpdfapi/fpdf_page.h to correct locations.

This CL splits the fpdf_page.h header into the individual classes and moves
them to the correct core/fpdfapi locations.

R=tsepez@chromium.org

Review URL: https://codereview.chromium.org/1805663002 .

3 files changed, 168 insertions, 0 deletions

diff --git a/core/fpdfapi/fpdf_page/include/cpdf_form.h b/core/fpdfapi/fpdf_page/include/cpdf_form.h
new file mode 100644
index 0000000000..3b9f1cc7fb
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_form.h
@@ -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
+
+#ifndef CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORM_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORM_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
+
+class CPDF_Document;
+class CPDF_Dictionary;
+class CPDF_Stream;
+class CPDF_AllStates;
+class CFX_Matrix;
+class CPDF_Type3Char;
+class CPDF_ParseOptions;
+
+class CPDF_Form : public CPDF_PageObjectHolder {
+ public:
+  CPDF_Form(CPDF_Document* pDocument,
+            CPDF_Dictionary* pPageResources,
+            CPDF_Stream* pFormStream,
+            CPDF_Dictionary* pParentResources = NULL);
+
+  ~CPDF_Form();
+
+  void StartParse(CPDF_AllStates* pGraphicStates,
+                  CFX_Matrix* pParentMatrix,
+                  CPDF_Type3Char* pType3Char,
+                  CPDF_ParseOptions* pOptions,
+                  int level = 0);
+
+  void ParseContent(CPDF_AllStates* pGraphicStates,
+                    CFX_Matrix* pParentMatrix,
+                    CPDF_Type3Char* pType3Char,
+                    CPDF_ParseOptions* pOptions,
+                    int level = 0);
+
+  CPDF_Form* Clone() const;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_FORM_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_page.h b/core/fpdfapi/fpdf_page/include/cpdf_page.h
new file mode 100644
index 0000000000..82c88d1c37
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_page.h
@@ -0,0 +1,57 @@
+// 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_PAGE_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGE_H_
+
+#include "core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h"
+#include "core/include/fxcrt/fx_basic.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class CPDF_Document;
+class CPDF_Dictionary;
+class CPDF_Object;
+class CPDF_PageRenderCache;
+class CPDF_ParseOptions;
+
+class CPDF_Page : public CPDF_PageObjectHolder, public CFX_PrivateData {
+ public:
+  CPDF_Page();
+  ~CPDF_Page();
+
+  void Load(CPDF_Document* pDocument,
+            CPDF_Dictionary* pPageDict,
+            FX_BOOL bPageCache = TRUE);
+
+  void ParseContent(CPDF_ParseOptions* pOptions);
+
+  void GetDisplayMatrix(CFX_Matrix& matrix,
+                        int xPos,
+                        int yPos,
+                        int xSize,
+                        int ySize,
+                        int iRotate) const;
+
+  FX_FLOAT GetPageWidth() const { return m_PageWidth; }
+  FX_FLOAT GetPageHeight() const { return m_PageHeight; }
+  CFX_FloatRect GetPageBBox() const { return m_BBox; }
+  const CFX_Matrix& GetPageMatrix() const { return m_PageMatrix; }
+  CPDF_Object* GetPageAttr(const CFX_ByteStringC& name) const;
+  CPDF_PageRenderCache* GetRenderCache() const { return m_pPageRender; }
+
+ protected:
+  friend class CPDF_ContentParser;
+
+  void StartParse(CPDF_ParseOptions* pOptions);
+
+  FX_FLOAT m_PageWidth;
+  FX_FLOAT m_PageHeight;
+  CFX_Matrix m_PageMatrix;
+  CPDF_PageRenderCache* m_pPageRender;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGE_H_
diff --git a/core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h b/core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h
new file mode 100644
index 0000000000..b0ab376956
--- /dev/null
+++ b/core/fpdfapi/fpdf_page/include/cpdf_pageobjectholder.h
@@ -0,0 +1,67 @@
+// 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_PAGEOBJECTHOLDER_H_
+#define CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECTHOLDER_H_
+
+#include "core/fpdfapi/fpdf_page/cpdf_pageobjectlist.h"
+#include "core/include/fxcrt/fx_coordinates.h"
+#include "core/include/fxcrt/fx_system.h"
+
+class IFX_Pause;
+class CPDF_Dictionary;
+class CPDF_Stream;
+class CPDF_Document;
+class CPDF_ContentParser;
+
+#define PDFTRANS_GROUP 0x0100
+#define PDFTRANS_ISOLATED 0x0200
+#define PDFTRANS_KNOCKOUT 0x0400
+
+class CPDF_PageObjectHolder {
+ public:
+  CPDF_PageObjectHolder();
+
+  void ContinueParse(IFX_Pause* pPause);
+  bool IsParsed() const { return m_ParseState == CONTENT_PARSED; }
+
+  CPDF_PageObjectList* GetPageObjectList() { return &m_PageObjectList; }
+  const CPDF_PageObjectList* GetPageObjectList() const {
+    return &m_PageObjectList;
+  }
+
+  FX_BOOL BackgroundAlphaNeeded() const { return m_bBackgroundAlphaNeeded; }
+  void SetBackgroundAlphaNeeded(FX_BOOL needed) {
+    m_bBackgroundAlphaNeeded = needed;
+  }
+
+  FX_BOOL HasImageMask() const { return m_bHasImageMask; }
+  void SetHasImageMask(FX_BOOL value) { m_bHasImageMask = value; }
+
+  void Transform(const CFX_Matrix& matrix);
+  CFX_FloatRect CalcBoundingBox() const;
+
+  CPDF_Dictionary* m_pFormDict;
+  CPDF_Stream* m_pFormStream;
+  CPDF_Document* m_pDocument;
+  CPDF_Dictionary* m_pPageResources;
+  CPDF_Dictionary* m_pResources;
+  CFX_FloatRect m_BBox;
+  int m_Transparency;
+
+ protected:
+  enum ParseState { CONTENT_NOT_PARSED, CONTENT_PARSING, CONTENT_PARSED };
+
+  void LoadTransInfo();
+
+  FX_BOOL m_bBackgroundAlphaNeeded;
+  FX_BOOL m_bHasImageMask;
+  ParseState m_ParseState;
+  std::unique_ptr<CPDF_ContentParser> m_pParser;
+  CPDF_PageObjectList m_PageObjectList;
+};
+
+#endif  // CORE_FPDFAPI_FPDF_PAGE_INCLUDE_CPDF_PAGEOBJECTHOLDER_H_