Move core/fpdfapi/fpdf_render to core/fpdfapi/render

BUG=pdfium:603

Review-Url: https://codereview.chromium.org/2393593002

1 files changed, 596 insertions, 0 deletions

diff --git a/core/fpdfapi/render/render_int.h b/core/fpdfapi/render/render_int.h
new file mode 100644
index 0000000000..9c5a7e919b
--- /dev/null
+++ b/core/fpdfapi/render/render_int.h
@@ -0,0 +1,596 @@
+// 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_FPDFAPI_RENDER_RENDER_INT_H_
+#define CORE_FPDFAPI_RENDER_RENDER_INT_H_
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "core/fpdfapi/page/cpdf_clippath.h"
+#include "core/fpdfapi/page/cpdf_countedobject.h"
+#include "core/fpdfapi/page/cpdf_graphicstates.h"
+#include "core/fpdfapi/parser/cpdf_stream_acc.h"
+#include "core/fpdfapi/render/cpdf_renderoptions.h"
+#include "core/fxge/cfx_fxgedevice.h"
+#include "core/fxge/cfx_renderdevice.h"
+
+class CCodec_Jbig2Context;
+class CCodec_ScanlineDecoder;
+class CFX_GlyphBitmap;
+class CFX_ImageTransformer;
+class CFX_PathData;
+class CPDF_Color;
+class CPDF_Dictionary;
+class CPDF_Document;
+class CPDF_Font;
+class CPDF_FormObject;
+class CPDF_ImageCacheEntry;
+class CPDF_ImageLoaderHandle;
+class CPDF_ImageObject;
+class CPDF_ImageRenderer;
+class CPDF_Object;
+class CPDF_PageObject;
+class CPDF_PageObjectHolder;
+class CPDF_PageRenderCache;
+class CPDF_PathObject;
+class CPDF_RenderStatus;
+class CPDF_ShadingObject;
+class CPDF_ShadingPattern;
+class CPDF_Stream;
+class CPDF_TilingPattern;
+class CPDF_TransferFunc;
+class CPDF_Type3Cache;
+class CPDF_Type3Glyphs;
+class CPDF_Type3Char;
+class CPDF_Type3Font;
+
+FX_BOOL IsAvailableMatrix(const CFX_Matrix& matrix);
+
+class CPDF_TransferFunc {
+ public:
+  explicit CPDF_TransferFunc(CPDF_Document* pDoc);
+
+  FX_COLORREF TranslateColor(FX_COLORREF src) const;
+  CFX_DIBSource* TranslateImage(const CFX_DIBSource* pSrc,
+                                FX_BOOL bAutoDropSrc);
+
+  CPDF_Document* const m_pPDFDoc;
+  FX_BOOL m_bIdentity;
+  uint8_t m_Samples[256 * 3];
+};
+
+class CPDF_DocRenderData {
+ public:
+  explicit CPDF_DocRenderData(CPDF_Document* pPDFDoc);
+  ~CPDF_DocRenderData();
+  CPDF_Type3Cache* GetCachedType3(CPDF_Type3Font* pFont);
+  CPDF_TransferFunc* GetTransferFunc(CPDF_Object* pObj);
+  void Clear(FX_BOOL bRelease = FALSE);
+  void ReleaseCachedType3(CPDF_Type3Font* pFont);
+  void ReleaseTransferFunc(CPDF_Object* pObj);
+
+ private:
+  using CPDF_Type3CacheMap =
+      std::map<CPDF_Font*, CPDF_CountedObject<CPDF_Type3Cache>*>;
+  using CPDF_TransferFuncMap =
+      std::map<CPDF_Object*, CPDF_CountedObject<CPDF_TransferFunc>*>;
+
+  CPDF_Document* m_pPDFDoc;
+  CPDF_Type3CacheMap m_Type3FaceMap;
+  CPDF_TransferFuncMap m_TransferFuncMap;
+};
+
+class CPDF_RenderStatus {
+ public:
+  CPDF_RenderStatus();
+  ~CPDF_RenderStatus();
+
+  FX_BOOL Initialize(class CPDF_RenderContext* pContext,
+                     CFX_RenderDevice* pDevice,
+                     const CFX_Matrix* pDeviceMatrix,
+                     const CPDF_PageObject* pStopObj,
+                     const CPDF_RenderStatus* pParentStatus,
+                     const CPDF_GraphicStates* pInitialStates,
+                     const CPDF_RenderOptions* pOptions,
+                     int transparency,
+                     FX_BOOL bDropObjects,
+                     CPDF_Dictionary* pFormResource = nullptr,
+                     FX_BOOL bStdCS = FALSE,
+                     CPDF_Type3Char* pType3Char = nullptr,
+                     FX_ARGB fill_color = 0,
+                     uint32_t GroupFamily = 0,
+                     FX_BOOL bLoadMask = FALSE);
+  void RenderObjectList(const CPDF_PageObjectHolder* pObjectHolder,
+                        const CFX_Matrix* pObj2Device);
+  void RenderSingleObject(CPDF_PageObject* pObj, const CFX_Matrix* pObj2Device);
+  FX_BOOL ContinueSingleObject(CPDF_PageObject* pObj,
+                               const CFX_Matrix* pObj2Device,
+                               IFX_Pause* pPause);
+  CPDF_RenderContext* GetContext() { return m_pContext; }
+
+#if defined _SKIA_SUPPORT_
+  void DebugVerifyDeviceIsPreMultiplied() const;
+#endif
+
+  CPDF_RenderOptions m_Options;
+  CPDF_Dictionary* m_pFormResource;
+  CPDF_Dictionary* m_pPageResource;
+  CFX_ArrayTemplate<CPDF_Type3Font*> m_Type3FontCache;
+
+ protected:
+  friend class CPDF_ImageRenderer;
+  friend class CPDF_RenderContext;
+
+  void ProcessClipPath(CPDF_ClipPath ClipPath, const CFX_Matrix* pObj2Device);
+  void DrawClipPath(CPDF_ClipPath ClipPath, const CFX_Matrix* pObj2Device);
+  FX_BOOL ProcessTransparency(CPDF_PageObject* PageObj,
+                              const CFX_Matrix* pObj2Device);
+  void ProcessObjectNoClip(CPDF_PageObject* PageObj,
+                           const CFX_Matrix* pObj2Device);
+  void DrawObjWithBackground(CPDF_PageObject* pObj,
+                             const CFX_Matrix* pObj2Device);
+  FX_BOOL DrawObjWithBlend(CPDF_PageObject* pObj,
+                           const CFX_Matrix* pObj2Device);
+  FX_BOOL ProcessPath(CPDF_PathObject* pPathObj, const CFX_Matrix* pObj2Device);
+  void ProcessPathPattern(CPDF_PathObject* pPathObj,
+                          const CFX_Matrix* pObj2Device,
+                          int& filltype,
+                          FX_BOOL& bStroke);
+  void DrawPathWithPattern(CPDF_PathObject* pPathObj,
+                           const CFX_Matrix* pObj2Device,
+                           const CPDF_Color* pColor,
+                           FX_BOOL bStroke);
+  void DrawTilingPattern(CPDF_TilingPattern* pPattern,
+                         CPDF_PageObject* pPageObj,
+                         const CFX_Matrix* pObj2Device,
+                         FX_BOOL bStroke);
+  void DrawShadingPattern(CPDF_ShadingPattern* pPattern,
+                          const CPDF_PageObject* pPageObj,
+                          const CFX_Matrix* pObj2Device,
+                          FX_BOOL bStroke);
+  FX_BOOL SelectClipPath(const CPDF_PathObject* pPathObj,
+                         const CFX_Matrix* pObj2Device,
+                         FX_BOOL bStroke);
+  FX_BOOL ProcessImage(CPDF_ImageObject* pImageObj,
+                       const CFX_Matrix* pObj2Device);
+  FX_BOOL OutputBitmapAlpha(CPDF_ImageObject* pImageObj,
+                            const CFX_Matrix* pImage2Device);
+  FX_BOOL OutputImage(CPDF_ImageObject* pImageObj,
+                      const CFX_Matrix* pImage2Device);
+  FX_BOOL OutputDIBSource(const CFX_DIBSource* pOutputBitmap,
+                          FX_ARGB fill_argb,
+                          int bitmap_alpha,
+                          const CFX_Matrix* pImage2Device,
+                          CPDF_ImageCacheEntry* pImageCache,
+                          uint32_t flags);
+  void CompositeDIBitmap(CFX_DIBitmap* pDIBitmap,
+                         int left,
+                         int top,
+                         FX_ARGB mask_argb,
+                         int bitmap_alpha,
+                         int blend_mode,
+                         int bIsolated);
+  void ProcessShading(const CPDF_ShadingObject* pShadingObj,
+                      const CFX_Matrix* pObj2Device);
+  void DrawShading(CPDF_ShadingPattern* pPattern,
+                   CFX_Matrix* pMatrix,
+                   FX_RECT& clip_rect,
+                   int alpha,
+                   FX_BOOL bAlphaMode);
+  FX_BOOL ProcessType3Text(CPDF_TextObject* textobj,
+                           const CFX_Matrix* pObj2Device);
+  FX_BOOL ProcessText(CPDF_TextObject* textobj,
+                      const CFX_Matrix* pObj2Device,
+                      CFX_PathData* pClippingPath);
+  void DrawTextPathWithPattern(const CPDF_TextObject* textobj,
+                               const CFX_Matrix* pObj2Device,
+                               CPDF_Font* pFont,
+                               FX_FLOAT font_size,
+                               const CFX_Matrix* pTextMatrix,
+                               FX_BOOL bFill,
+                               FX_BOOL bStroke);
+  FX_BOOL ProcessForm(const CPDF_FormObject* pFormObj,
+                      const CFX_Matrix* pObj2Device);
+  CFX_DIBitmap* GetBackdrop(const CPDF_PageObject* pObj,
+                            const FX_RECT& rect,
+                            int& left,
+                            int& top,
+                            FX_BOOL bBackAlphaRequired);
+  CFX_DIBitmap* LoadSMask(CPDF_Dictionary* pSMaskDict,
+                          FX_RECT* pClipRect,
+                          const CFX_Matrix* pMatrix);
+  void Init(CPDF_RenderContext* pParent);
+  static class CPDF_Type3Cache* GetCachedType3(CPDF_Type3Font* pFont);
+  static CPDF_GraphicStates* CloneObjStates(const CPDF_GraphicStates* pPathObj,
+                                            FX_BOOL bStroke);
+  CPDF_TransferFunc* GetTransferFunc(CPDF_Object* pObject) const;
+  FX_ARGB GetFillArgb(CPDF_PageObject* pObj, FX_BOOL bType3 = FALSE) const;
+  FX_ARGB GetStrokeArgb(CPDF_PageObject* pObj) const;
+  FX_BOOL GetObjectClippedRect(const CPDF_PageObject* pObj,
+                               const CFX_Matrix* pObj2Device,
+                               FX_BOOL bLogical,
+                               FX_RECT& rect) const;
+  void GetScaledMatrix(CFX_Matrix& matrix) const;
+
+  static const int kRenderMaxRecursionDepth = 64;
+  static int s_CurrentRecursionDepth;
+
+  CPDF_RenderContext* m_pContext;
+  FX_BOOL m_bStopped;
+  CFX_RenderDevice* m_pDevice;
+  CFX_Matrix m_DeviceMatrix;
+  CPDF_ClipPath m_LastClipPath;
+  const CPDF_PageObject* m_pCurObj;
+  const CPDF_PageObject* m_pStopObj;
+  CPDF_GraphicStates m_InitialStates;
+  int m_HalftoneLimit;
+  std::unique_ptr<CPDF_ImageRenderer> m_pImageRenderer;
+  FX_BOOL m_bPrint;
+  int m_Transparency;
+  FX_BOOL m_bDropObjects;
+  FX_BOOL m_bStdCS;
+  uint32_t m_GroupFamily;
+  FX_BOOL m_bLoadMask;
+  CPDF_Type3Char* m_pType3Char;
+  FX_ARGB m_T3FillColor;
+  int m_curBlend;
+};
+
+class CPDF_ImageLoader {
+ public:
+  CPDF_ImageLoader()
+      : m_pBitmap(nullptr),
+        m_pMask(nullptr),
+        m_MatteColor(0),
+        m_bCached(FALSE),
+        m_nDownsampleWidth(0),
+        m_nDownsampleHeight(0) {}
+  ~CPDF_ImageLoader();
+
+  FX_BOOL Start(const CPDF_ImageObject* pImage,
+                CPDF_PageRenderCache* pCache,
+                std::unique_ptr<CPDF_ImageLoaderHandle>* pLoadHandle,
+                FX_BOOL bStdCS = FALSE,
+                uint32_t GroupFamily = 0,
+                FX_BOOL bLoadMask = FALSE,
+                CPDF_RenderStatus* pRenderStatus = nullptr,
+                int32_t nDownsampleWidth = 0,
+                int32_t nDownsampleHeight = 0);
+  FX_BOOL Continue(CPDF_ImageLoaderHandle* LoadHandle, IFX_Pause* pPause);
+
+  CFX_DIBSource* m_pBitmap;
+  CFX_DIBSource* m_pMask;
+  uint32_t m_MatteColor;
+  FX_BOOL m_bCached;
+
+ protected:
+  int32_t m_nDownsampleWidth;
+  int32_t m_nDownsampleHeight;
+};
+
+class CPDF_ImageLoaderHandle {
+ public:
+  CPDF_ImageLoaderHandle();
+  ~CPDF_ImageLoaderHandle();
+
+  FX_BOOL Start(CPDF_ImageLoader* pImageLoader,
+                const CPDF_ImageObject* pImage,
+                CPDF_PageRenderCache* pCache,
+                FX_BOOL bStdCS = FALSE,
+                uint32_t GroupFamily = 0,
+                FX_BOOL bLoadMask = FALSE,
+                CPDF_RenderStatus* pRenderStatus = nullptr,
+                int32_t nDownsampleWidth = 0,
+                int32_t nDownsampleHeight = 0);
+  FX_BOOL Continue(IFX_Pause* pPause);
+
+ protected:
+  void HandleFailure();
+
+  CPDF_ImageLoader* m_pImageLoader;
+  CPDF_PageRenderCache* m_pCache;
+  CPDF_ImageObject* m_pImage;
+  int32_t m_nDownsampleWidth;
+  int32_t m_nDownsampleHeight;
+};
+
+class CPDF_ImageRenderer {
+ public:
+  CPDF_ImageRenderer();
+  ~CPDF_ImageRenderer();
+
+  FX_BOOL Start(CPDF_RenderStatus* pStatus,
+                CPDF_PageObject* pObj,
+                const CFX_Matrix* pObj2Device,
+                FX_BOOL bStdCS,
+                int blendType = FXDIB_BLEND_NORMAL);
+  FX_BOOL Continue(IFX_Pause* pPause);
+
+  FX_BOOL Start(CPDF_RenderStatus* pStatus,
+                const CFX_DIBSource* pDIBSource,
+                FX_ARGB bitmap_argb,
+                int bitmap_alpha,
+                const CFX_Matrix* pImage2Device,
+                uint32_t flags,
+                FX_BOOL bStdCS,
+                int blendType = FXDIB_BLEND_NORMAL);
+
+  FX_BOOL m_Result;
+
+ protected:
+  FX_BOOL StartBitmapAlpha();
+  FX_BOOL StartDIBSource();
+  FX_BOOL StartRenderDIBSource();
+  FX_BOOL StartLoadDIBSource();
+  FX_BOOL DrawMaskedImage();
+  FX_BOOL DrawPatternImage(const CFX_Matrix* pObj2Device);
+
+  CPDF_RenderStatus* m_pRenderStatus;
+  CPDF_ImageObject* m_pImageObject;
+  int m_Status;
+  const CFX_Matrix* m_pObj2Device;
+  CFX_Matrix m_ImageMatrix;
+  CPDF_ImageLoader m_Loader;
+  const CFX_DIBSource* m_pDIBSource;
+  std::unique_ptr<CFX_DIBitmap> m_pClone;
+  int m_BitmapAlpha;
+  FX_BOOL m_bPatternColor;
+  CPDF_Pattern* m_pPattern;
+  FX_ARGB m_FillArgb;
+  uint32_t m_Flags;
+  std::unique_ptr<CFX_ImageTransformer> m_pTransformer;
+  void* m_DeviceHandle;
+  std::unique_ptr<CPDF_ImageLoaderHandle> m_LoadHandle;
+  FX_BOOL m_bStdCS;
+  int m_BlendType;
+};
+
+class CPDF_ScaledRenderBuffer {
+ public:
+  CPDF_ScaledRenderBuffer();
+  ~CPDF_ScaledRenderBuffer();
+
+  FX_BOOL Initialize(CPDF_RenderContext* pContext,
+                     CFX_RenderDevice* pDevice,
+                     const FX_RECT& pRect,
+                     const CPDF_PageObject* pObj,
+                     const CPDF_RenderOptions* pOptions = nullptr,
+                     int max_dpi = 0);
+  CFX_RenderDevice* GetDevice() {
+    return m_pBitmapDevice ? m_pBitmapDevice.get() : m_pDevice;
+  }
+  CFX_Matrix* GetMatrix() { return &m_Matrix; }
+  void OutputToDevice();
+
+ private:
+  CFX_RenderDevice* m_pDevice;
+  CPDF_RenderContext* m_pContext;
+  FX_RECT m_Rect;
+  const CPDF_PageObject* m_pObject;
+  std::unique_ptr<CFX_FxgeDevice> m_pBitmapDevice;
+  CFX_Matrix m_Matrix;
+};
+
+class CPDF_DeviceBuffer {
+ public:
+  CPDF_DeviceBuffer();
+  ~CPDF_DeviceBuffer();
+  FX_BOOL Initialize(CPDF_RenderContext* pContext,
+                     CFX_RenderDevice* pDevice,
+                     FX_RECT* pRect,
+                     const CPDF_PageObject* pObj,
+                     int max_dpi = 0);
+  void OutputToDevice();
+  CFX_DIBitmap* GetBitmap() const { return m_pBitmap.get(); }
+  const CFX_Matrix* GetMatrix() const { return &m_Matrix; }
+
+ private:
+  CFX_RenderDevice* m_pDevice;
+  CPDF_RenderContext* m_pContext;
+  FX_RECT m_Rect;
+  const CPDF_PageObject* m_pObject;
+  std::unique_ptr<CFX_DIBitmap> m_pBitmap;
+  CFX_Matrix m_Matrix;
+};
+
+class CPDF_ImageCacheEntry {
+ public:
+  CPDF_ImageCacheEntry(CPDF_Document* pDoc, CPDF_Stream* pStream);
+  ~CPDF_ImageCacheEntry();
+
+  void Reset(const CFX_DIBitmap* pBitmap);
+  FX_BOOL GetCachedBitmap(CFX_DIBSource*& pBitmap,
+                          CFX_DIBSource*& pMask,
+                          uint32_t& MatteColor,
+                          CPDF_Dictionary* pPageResources,
+                          FX_BOOL bStdCS = FALSE,
+                          uint32_t GroupFamily = 0,
+                          FX_BOOL bLoadMask = FALSE,
+                          CPDF_RenderStatus* pRenderStatus = nullptr,
+                          int32_t downsampleWidth = 0,
+                          int32_t downsampleHeight = 0);
+  uint32_t EstimateSize() const { return m_dwCacheSize; }
+  uint32_t GetTimeCount() const { return m_dwTimeCount; }
+  CPDF_Stream* GetStream() const { return m_pStream; }
+  void SetTimeCount(uint32_t dwTimeCount) { m_dwTimeCount = dwTimeCount; }
+  int m_dwTimeCount;
+
+ public:
+  int StartGetCachedBitmap(CPDF_Dictionary* pFormResources,
+                           CPDF_Dictionary* pPageResources,
+                           FX_BOOL bStdCS = FALSE,
+                           uint32_t GroupFamily = 0,
+                           FX_BOOL bLoadMask = FALSE,
+                           CPDF_RenderStatus* pRenderStatus = nullptr,
+                           int32_t downsampleWidth = 0,
+                           int32_t downsampleHeight = 0);
+  int Continue(IFX_Pause* pPause);
+  CFX_DIBSource* DetachBitmap();
+  CFX_DIBSource* DetachMask();
+  CFX_DIBSource* m_pCurBitmap;
+  CFX_DIBSource* m_pCurMask;
+  uint32_t m_MatteColor;
+  CPDF_RenderStatus* m_pRenderStatus;
+
+ protected:
+  void ContinueGetCachedBitmap();
+
+  CPDF_Document* m_pDocument;
+  CPDF_Stream* m_pStream;
+  CFX_DIBSource* m_pCachedBitmap;
+  CFX_DIBSource* m_pCachedMask;
+  uint32_t m_dwCacheSize;
+  void CalcSize();
+};
+typedef struct {
+  FX_FLOAT m_DecodeMin;
+  FX_FLOAT m_DecodeStep;
+  int m_ColorKeyMin;
+  int m_ColorKeyMax;
+} DIB_COMP_DATA;
+
+class CPDF_DIBSource : public CFX_DIBSource {
+ public:
+  CPDF_DIBSource();
+  ~CPDF_DIBSource() override;
+
+  FX_BOOL Load(CPDF_Document* pDoc,
+               const CPDF_Stream* pStream,
+               CPDF_DIBSource** ppMask,
+               uint32_t* pMatteColor,
+               CPDF_Dictionary* pFormResources,
+               CPDF_Dictionary* pPageResources,
+               FX_BOOL bStdCS = FALSE,
+               uint32_t GroupFamily = 0,
+               FX_BOOL bLoadMask = FALSE);
+
+  // CFX_DIBSource
+  FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) const override;
+  uint8_t* GetBuffer() const override;
+  const uint8_t* GetScanline(int line) const override;
+  void DownSampleScanline(int line,
+                          uint8_t* dest_scan,
+                          int dest_bpp,
+                          int dest_width,
+                          FX_BOOL bFlipX,
+                          int clip_left,
+                          int clip_width) const override;
+
+  CFX_DIBitmap* GetBitmap() const;
+  void ReleaseBitmap(CFX_DIBitmap* pBitmap) const;
+  uint32_t GetMatteColor() const { return m_MatteColor; }
+
+  int StartLoadDIBSource(CPDF_Document* pDoc,
+                         const CPDF_Stream* pStream,
+                         FX_BOOL bHasMask,
+                         CPDF_Dictionary* pFormResources,
+                         CPDF_Dictionary* pPageResources,
+                         FX_BOOL bStdCS = FALSE,
+                         uint32_t GroupFamily = 0,
+                         FX_BOOL bLoadMask = FALSE);
+  int ContinueLoadDIBSource(IFX_Pause* pPause);
+  int StratLoadMask();
+  int StartLoadMaskDIB();
+  int ContinueLoadMaskDIB(IFX_Pause* pPause);
+  int ContinueToLoadMask();
+  CPDF_DIBSource* DetachMask();
+
+ private:
+  bool LoadColorInfo(const CPDF_Dictionary* pFormResources,
+                     const CPDF_Dictionary* pPageResources);
+  DIB_COMP_DATA* GetDecodeAndMaskArray(FX_BOOL& bDefaultDecode,
+                                       FX_BOOL& bColorKey);
+  CPDF_DIBSource* LoadMask(uint32_t& MatteColor);
+  CPDF_DIBSource* LoadMaskDIB(CPDF_Stream* pMask);
+  void LoadJpxBitmap();
+  void LoadPalette();
+  int CreateDecoder();
+  void TranslateScanline24bpp(uint8_t* dest_scan,
+                              const uint8_t* src_scan) const;
+  void ValidateDictParam();
+  void DownSampleScanline1Bit(int orig_Bpp,
+                              int dest_Bpp,
+                              uint32_t src_width,
+                              const uint8_t* pSrcLine,
+                              uint8_t* dest_scan,
+                              int dest_width,
+                              FX_BOOL bFlipX,
+                              int clip_left,
+                              int clip_width) const;
+  void DownSampleScanline8Bit(int orig_Bpp,
+                              int dest_Bpp,
+                              uint32_t src_width,
+                              const uint8_t* pSrcLine,
+                              uint8_t* dest_scan,
+                              int dest_width,
+                              FX_BOOL bFlipX,
+                              int clip_left,
+                              int clip_width) const;
+  void DownSampleScanline32Bit(int orig_Bpp,
+                               int dest_Bpp,
+                               uint32_t src_width,
+                               const uint8_t* pSrcLine,
+                               uint8_t* dest_scan,
+                               int dest_width,
+                               FX_BOOL bFlipX,
+                               int clip_left,
+                               int clip_width) const;
+  FX_BOOL TransMask() const;
+
+  CPDF_Document* m_pDocument;
+  const CPDF_Stream* m_pStream;
+  std::unique_ptr<CPDF_StreamAcc> m_pStreamAcc;
+  const CPDF_Dictionary* m_pDict;
+  CPDF_ColorSpace* m_pColorSpace;
+  uint32_t m_Family;
+  uint32_t m_bpc;
+  uint32_t m_bpc_orig;
+  uint32_t m_nComponents;
+  uint32_t m_GroupFamily;
+  uint32_t m_MatteColor;
+  FX_BOOL m_bLoadMask;
+  FX_BOOL m_bDefaultDecode;
+  FX_BOOL m_bImageMask;
+  FX_BOOL m_bDoBpcCheck;
+  FX_BOOL m_bColorKey;
+  FX_BOOL m_bHasMask;
+  FX_BOOL m_bStdCS;
+  DIB_COMP_DATA* m_pCompData;
+  uint8_t* m_pLineBuf;
+  uint8_t* m_pMaskedLine;
+  std::unique_ptr<CFX_DIBitmap> m_pCachedBitmap;
+  std::unique_ptr<CCodec_ScanlineDecoder> m_pDecoder;
+  CPDF_DIBSource* m_pMask;
+  std::unique_ptr<CPDF_StreamAcc> m_pGlobalStream;
+  std::unique_ptr<CCodec_Jbig2Context> m_pJbig2Context;
+  CPDF_Stream* m_pMaskStream;
+  int m_Status;
+};
+
+#define FPDF_HUGE_IMAGE_SIZE 60000000
+class CPDF_DIBTransferFunc : public CFX_FilteredDIB {
+ public:
+  explicit CPDF_DIBTransferFunc(const CPDF_TransferFunc* pTransferFunc);
+  ~CPDF_DIBTransferFunc() override;
+
+  // CFX_FilteredDIB
+  FXDIB_Format GetDestFormat() override;
+  FX_ARGB* GetDestPalette() override;
+  void TranslateScanline(const uint8_t* src_buf,
+                         std::vector<uint8_t>* dest_buf) const override;
+  void TranslateDownSamples(uint8_t* dest_buf,
+                            const uint8_t* src_buf,
+                            int pixels,
+                            int Bpp) const override;
+
+  const uint8_t* m_RampR;
+  const uint8_t* m_RampG;
+  const uint8_t* m_RampB;
+};
+
+#endif  // CORE_FPDFAPI_RENDER_RENDER_INT_H_