Move include/fxcodec to fxcodec/include

Review URL: https://codereview.chromium.org/1864153002

4 files changed, 688 insertions, 0 deletions

diff --git a/core/fxcodec/include/DEPS b/core/fxcodec/include/DEPS
new file mode 100644
index 0000000000..548eb61a3b
--- /dev/null
+++ b/core/fxcodec/include/DEPS
@@ -0,0 +1,3 @@
+include_rules = [
+  '+third_party/zlib_v128/zlib.h',
+]
diff --git a/core/fxcodec/include/fx_codec.h b/core/fxcodec/include/fx_codec.h
new file mode 100644
index 0000000000..1c3922ee4f
--- /dev/null
+++ b/core/fxcodec/include/fx_codec.h
@@ -0,0 +1,560 @@
+// 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_FXCODEC_INCLUDE_FX_CODEC_H_
+#define CORE_FXCODEC_INCLUDE_FX_CODEC_H_
+
+#include <map>
+#include <memory>
+#include <vector>
+
+#include "core/fxcrt/include/fx_basic.h"
+#include "core/fxcrt/include/fx_coordinates.h"  // For FX_RECT.
+#include "core/fxcodec/include/fx_codec_def.h"
+
+class CFX_DIBSource;
+class CJPX_Decoder;
+class CPDF_ColorSpace;
+class CPDF_StreamAcc;
+class ICodec_BasicModule;
+class ICodec_FaxModule;
+class ICodec_FlateModule;
+class ICodec_IccModule;
+class ICodec_Jbig2Encoder;
+class ICodec_Jbig2Module;
+class ICodec_JpegModule;
+class ICodec_JpxModule;
+class ICodec_ScanlineDecoder;
+
+#ifdef PDF_ENABLE_XFA
+class ICodec_BmpModule;
+class ICodec_GifModule;
+class ICodec_PngModule;
+class ICodec_ProgressiveDecoder;
+class ICodec_TiffModule;
+#endif  // PDF_ENABLE_XFA
+
+#ifdef PDF_ENABLE_XFA
+class CFX_DIBAttribute {
+ public:
+  CFX_DIBAttribute();
+  ~CFX_DIBAttribute();
+
+  int32_t m_nXDPI;
+  int32_t m_nYDPI;
+  FX_FLOAT m_fAspectRatio;
+  uint16_t m_wDPIUnit;
+  CFX_ByteString m_strAuthor;
+  uint8_t m_strTime[20];
+  int32_t m_nGifLeft;
+  int32_t m_nGifTop;
+  uint32_t* m_pGifLocalPalette;
+  uint32_t m_nGifLocalPalNum;
+  int32_t m_nBmpCompressType;
+  std::map<uint32_t, void*> m_Exif;
+};
+#endif  // PDF_ENABLE_XFA
+
+class CCodec_ModuleMgr {
+ public:
+  CCodec_ModuleMgr();
+
+  ICodec_BasicModule* GetBasicModule() const { return m_pBasicModule.get(); }
+  ICodec_FaxModule* GetFaxModule() const { return m_pFaxModule.get(); }
+  ICodec_JpegModule* GetJpegModule() const { return m_pJpegModule.get(); }
+  ICodec_JpxModule* GetJpxModule() const { return m_pJpxModule.get(); }
+  ICodec_Jbig2Module* GetJbig2Module() const { return m_pJbig2Module.get(); }
+  ICodec_IccModule* GetIccModule() const { return m_pIccModule.get(); }
+  ICodec_FlateModule* GetFlateModule() const { return m_pFlateModule.get(); }
+
+#ifdef PDF_ENABLE_XFA
+  ICodec_ProgressiveDecoder* CreateProgressiveDecoder();
+  ICodec_PngModule* GetPngModule() const { return m_pPngModule.get(); }
+  ICodec_GifModule* GetGifModule() const { return m_pGifModule.get(); }
+  ICodec_BmpModule* GetBmpModule() const { return m_pBmpModule.get(); }
+  ICodec_TiffModule* GetTiffModule() const { return m_pTiffModule.get(); }
+#endif  // PDF_ENABLE_XFA
+
+ protected:
+  std::unique_ptr<ICodec_BasicModule> m_pBasicModule;
+  std::unique_ptr<ICodec_FaxModule> m_pFaxModule;
+  std::unique_ptr<ICodec_JpegModule> m_pJpegModule;
+  std::unique_ptr<ICodec_JpxModule> m_pJpxModule;
+  std::unique_ptr<ICodec_Jbig2Module> m_pJbig2Module;
+  std::unique_ptr<ICodec_IccModule> m_pIccModule;
+#ifdef PDF_ENABLE_XFA
+  std::unique_ptr<ICodec_PngModule> m_pPngModule;
+  std::unique_ptr<ICodec_GifModule> m_pGifModule;
+  std::unique_ptr<ICodec_BmpModule> m_pBmpModule;
+  std::unique_ptr<ICodec_TiffModule> m_pTiffModule;
+#endif  // PDF_ENABLE_XFA
+  std::unique_ptr<ICodec_FlateModule> m_pFlateModule;
+};
+class ICodec_BasicModule {
+ public:
+  virtual ~ICodec_BasicModule() {}
+  virtual FX_BOOL RunLengthEncode(const uint8_t* src_buf,
+                                  uint32_t src_size,
+                                  uint8_t*& dest_buf,
+                                  uint32_t& dest_size) = 0;
+  virtual FX_BOOL A85Encode(const uint8_t* src_buf,
+                            uint32_t src_size,
+                            uint8_t*& dest_buf,
+                            uint32_t& dest_size) = 0;
+  virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(const uint8_t* src_buf,
+                                                         uint32_t src_size,
+                                                         int width,
+                                                         int height,
+                                                         int nComps,
+                                                         int bpc) = 0;
+};
+
+class ICodec_ScanlineDecoder {
+ public:
+  virtual ~ICodec_ScanlineDecoder() {}
+
+  virtual uint32_t GetSrcOffset() = 0;
+
+  virtual const uint8_t* GetScanline(int line) = 0;
+
+  virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) = 0;
+
+  virtual int GetWidth() = 0;
+
+  virtual int GetHeight() = 0;
+
+  virtual int CountComps() = 0;
+
+  virtual int GetBPC() = 0;
+};
+
+class ICodec_FlateModule {
+ public:
+  virtual ~ICodec_FlateModule() {}
+  virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
+                                                uint32_t src_size,
+                                                int width,
+                                                int height,
+                                                int nComps,
+                                                int bpc,
+                                                int predictor,
+                                                int Colors,
+                                                int BitsPerComponent,
+                                                int Columns) = 0;
+  virtual uint32_t FlateOrLZWDecode(FX_BOOL bLZW,
+                                    const uint8_t* src_buf,
+                                    uint32_t src_size,
+                                    FX_BOOL bEarlyChange,
+                                    int predictor,
+                                    int Colors,
+                                    int BitsPerComponent,
+                                    int Columns,
+                                    uint32_t estimated_size,
+                                    uint8_t*& dest_buf,
+                                    uint32_t& dest_size) = 0;
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
+                         uint32_t src_size,
+                         int predictor,
+                         int Colors,
+                         int BitsPerComponent,
+                         int Columns,
+                         uint8_t*& dest_buf,
+                         uint32_t& dest_size) = 0;
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
+                         uint32_t src_size,
+                         uint8_t*& dest_buf,
+                         uint32_t& dest_size) = 0;
+};
+class ICodec_FaxModule {
+ public:
+  virtual ~ICodec_FaxModule() {}
+
+  virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
+                                                uint32_t src_size,
+                                                int width,
+                                                int height,
+                                                int K,
+                                                FX_BOOL EndOfLine,
+                                                FX_BOOL EncodedByteAlign,
+                                                FX_BOOL BlackIs1,
+                                                int Columns,
+                                                int Rows) = 0;
+
+  virtual FX_BOOL Encode(const uint8_t* src_buf,
+                         int width,
+                         int height,
+                         int pitch,
+                         uint8_t*& dest_buf,
+                         uint32_t& dest_size) = 0;
+};
+class ICodec_JpegModule {
+ public:
+  virtual ~ICodec_JpegModule() {}
+
+  virtual ICodec_ScanlineDecoder* CreateDecoder(const uint8_t* src_buf,
+                                                uint32_t src_size,
+                                                int width,
+                                                int height,
+                                                int nComps,
+                                                FX_BOOL ColorTransform) = 0;
+
+  virtual FX_BOOL LoadInfo(const uint8_t* src_buf,
+                           uint32_t src_size,
+                           int& width,
+                           int& height,
+                           int& num_components,
+                           int& bits_per_components,
+                           FX_BOOL& color_transform,
+                           uint8_t** icc_buf_ptr = NULL,
+                           uint32_t* icc_length = NULL) = 0;
+
+  virtual FX_BOOL Encode(const class CFX_DIBSource* pSource,
+                         uint8_t*& dest_buf,
+                         FX_STRSIZE& dest_size,
+                         int quality = 75,
+                         const uint8_t* icc_buf = NULL,
+                         uint32_t icc_length = 0) = 0;
+
+  virtual void* Start() = 0;
+
+  virtual void Finish(void* pContext) = 0;
+
+  virtual void Input(void* pContext,
+                     const uint8_t* src_buf,
+                     uint32_t src_size) = 0;
+
+#ifdef PDF_ENABLE_XFA
+  virtual int ReadHeader(void* pContext,
+                         int* width,
+                         int* height,
+                         int* nComps,
+                         CFX_DIBAttribute* pAttribute) = 0;
+#else   // PDF_ENABLE_XFA
+  virtual int ReadHeader(void* pContext,
+                         int* width,
+                         int* height,
+                         int* nComps) = 0;
+#endif  // PDF_ENABLE_XFA
+
+  virtual int StartScanline(void* pContext, int down_scale) = 0;
+
+  virtual FX_BOOL ReadScanline(void* pContext, uint8_t* dest_buf) = 0;
+
+  virtual uint32_t GetAvailInput(void* pContext,
+                                 uint8_t** avail_buf_ptr = NULL) = 0;
+};
+
+class ICodec_JpxModule {
+ public:
+  virtual ~ICodec_JpxModule() {}
+
+  virtual CJPX_Decoder* CreateDecoder(const uint8_t* src_buf,
+                                      uint32_t src_size,
+                                      CPDF_ColorSpace* cs) = 0;
+
+  virtual void GetImageInfo(CJPX_Decoder* pDecoder,
+                            uint32_t* width,
+                            uint32_t* height,
+                            uint32_t* components) = 0;
+
+  virtual bool Decode(CJPX_Decoder* pDecoder,
+                      uint8_t* dest_data,
+                      int pitch,
+                      const std::vector<uint8_t>& offsets) = 0;
+
+  virtual void DestroyDecoder(CJPX_Decoder* pDecoder) = 0;
+};
+#ifdef PDF_ENABLE_XFA
+class ICodec_PngModule {
+ public:
+  virtual ~ICodec_PngModule() {}
+
+  virtual void* Start(void* pModule) = 0;
+
+  virtual void Finish(void* pContext) = 0;
+
+  virtual FX_BOOL Input(void* pContext,
+                        const uint8_t* src_buf,
+                        uint32_t src_size,
+                        CFX_DIBAttribute* pAttribute) = 0;
+
+  FX_BOOL (*ReadHeaderCallback)(void* pModule,
+                                int width,
+                                int height,
+                                int bpc,
+                                int pass,
+                                int* color_type,
+                                double* gamma);
+
+  FX_BOOL (*AskScanlineBufCallback)(void* pModule, int line, uint8_t*& src_buf);
+
+  void (*FillScanlineBufCompletedCallback)(void* pModule, int pass, int line);
+};
+class ICodec_GifModule {
+ public:
+  virtual ~ICodec_GifModule() {}
+
+  virtual void* Start(void* pModule) = 0;
+
+  virtual void Finish(void* pContext) = 0;
+
+  virtual uint32_t GetAvailInput(void* pContext,
+                                 uint8_t** avail_buf_ptr = NULL) = 0;
+
+  virtual void Input(void* pContext,
+                     const uint8_t* src_buf,
+                     uint32_t src_size) = 0;
+
+  virtual int32_t ReadHeader(void* pContext,
+                             int* width,
+                             int* height,
+                             int* pal_num,
+                             void** pal_pp,
+                             int* bg_index,
+                             CFX_DIBAttribute* pAttribute) = 0;
+
+  virtual int32_t LoadFrameInfo(void* pContext, int* frame_num) = 0;
+
+  void (*RecordCurrentPositionCallback)(void* pModule, uint32_t& cur_pos);
+
+  uint8_t* (*AskLocalPaletteBufCallback)(void* pModule,
+                                         int32_t frame_num,
+                                         int32_t pal_size);
+
+  virtual int32_t LoadFrame(void* pContext,
+                            int frame_num,
+                            CFX_DIBAttribute* pAttribute) = 0;
+
+  FX_BOOL (*InputRecordPositionBufCallback)(void* pModule,
+                                            uint32_t rcd_pos,
+                                            const FX_RECT& img_rc,
+                                            int32_t pal_num,
+                                            void* pal_ptr,
+                                            int32_t delay_time,
+                                            FX_BOOL user_input,
+                                            int32_t trans_index,
+                                            int32_t disposal_method,
+                                            FX_BOOL interlace);
+
+  void (*ReadScanlineCallback)(void* pModule,
+                               int32_t row_num,
+                               uint8_t* row_buf);
+};
+class ICodec_BmpModule {
+ public:
+  virtual ~ICodec_BmpModule() {}
+
+  virtual void* Start(void* pModule) = 0;
+
+  virtual void Finish(void* pContext) = 0;
+
+  virtual uint32_t GetAvailInput(void* pContext,
+                                 uint8_t** avail_buf_ptr = NULL) = 0;
+
+  virtual void Input(void* pContext,
+                     const uint8_t* src_buf,
+                     uint32_t src_size) = 0;
+
+  virtual int32_t ReadHeader(void* pContext,
+                             int32_t* width,
+                             int32_t* height,
+                             FX_BOOL* tb_flag,
+                             int32_t* components,
+                             int* pal_num,
+                             uint32_t** pal_pp,
+                             CFX_DIBAttribute* pAttribute) = 0;
+
+  virtual int32_t LoadImage(void* pContext) = 0;
+
+  FX_BOOL (*InputImagePositionBufCallback)(void* pModule, uint32_t rcd_pos);
+
+  void (*ReadScanlineCallback)(void* pModule,
+                               int32_t row_num,
+                               uint8_t* row_buf);
+};
+class ICodec_TiffModule {
+ public:
+  virtual ~ICodec_TiffModule() {}
+
+  virtual void* CreateDecoder(IFX_FileRead* file_ptr) = 0;
+
+  virtual void GetFrames(void* ctx, int32_t& frames) = 0;
+
+  virtual FX_BOOL LoadFrameInfo(void* ctx,
+                                int32_t frame,
+                                uint32_t& width,
+                                uint32_t& height,
+                                uint32_t& comps,
+                                uint32_t& bpc,
+                                CFX_DIBAttribute* pAttribute) = 0;
+
+  virtual FX_BOOL Decode(void* ctx, class CFX_DIBitmap* pDIBitmap) = 0;
+
+  virtual void DestroyDecoder(void* ctx) = 0;
+};
+#endif
+
+class ICodec_Jbig2Module {
+ public:
+  virtual ~ICodec_Jbig2Module() {}
+
+  virtual void* CreateJbig2Context() = 0;
+
+  virtual FXCODEC_STATUS StartDecode(void* pJbig2Context,
+                                     CFX_PrivateData* pPrivateData,
+                                     uint32_t width,
+                                     uint32_t height,
+                                     CPDF_StreamAcc* src_stream,
+                                     CPDF_StreamAcc* global_stream,
+                                     uint8_t* dest_buf,
+                                     uint32_t dest_pitch,
+                                     IFX_Pause* pPause) = 0;
+
+  virtual FXCODEC_STATUS ContinueDecode(void* pJbig2Content,
+                                        IFX_Pause* pPause) = 0;
+  virtual void DestroyJbig2Context(void* pJbig2Content) = 0;
+};
+#ifdef PDF_ENABLE_XFA
+class ICodec_ProgressiveDecoder {
+ public:
+  virtual ~ICodec_ProgressiveDecoder() {}
+
+  virtual FXCODEC_STATUS LoadImageInfo(IFX_FileRead* pFile,
+                                       FXCODEC_IMAGE_TYPE imageType,
+                                       CFX_DIBAttribute* pAttribute) = 0;
+
+  virtual FXCODEC_IMAGE_TYPE GetType() const = 0;
+  virtual int32_t GetWidth() const = 0;
+  virtual int32_t GetHeight() const = 0;
+  virtual int32_t GetNumComponents() const = 0;
+  virtual int32_t GetBPC() const = 0;
+
+  virtual void SetClipBox(FX_RECT* clip) = 0;
+
+  virtual FXCODEC_STATUS GetFrames(int32_t& frames,
+                                   IFX_Pause* pPause = NULL) = 0;
+
+  virtual FXCODEC_STATUS StartDecode(class CFX_DIBitmap* pDIBitmap,
+                                     int32_t start_x,
+                                     int32_t start_y,
+                                     int32_t size_x,
+                                     int32_t size_y,
+                                     int32_t frames = 0,
+                                     FX_BOOL bInterpol = TRUE) = 0;
+
+  virtual FXCODEC_STATUS ContinueDecode(IFX_Pause* pPause = NULL) = 0;
+};
+#endif  // PDF_ENABLE_XFA
+class ICodec_Jbig2Encoder {
+ public:
+  virtual ~ICodec_Jbig2Encoder() {}
+};
+
+class ICodec_IccModule {
+ public:
+  enum IccCS {
+    IccCS_Unknown = 0,
+    IccCS_XYZ,
+    IccCS_Lab,
+    IccCS_Luv,
+    IccCS_YCbCr,
+    IccCS_Yxy,
+    IccCS_Hsv,
+    IccCS_Hls,
+    IccCS_Gray,
+    IccCS_Rgb,
+    IccCS_Cmyk,
+    IccCS_Cmy
+  };
+
+  struct IccParam {
+    uint32_t Version;
+    IccCS ColorSpace;
+    uint32_t dwProfileType;
+    uint32_t dwFormat;
+    uint8_t* pProfileData;
+    uint32_t dwProfileSize;
+    double Gamma;
+  };
+
+  virtual ~ICodec_IccModule() {}
+
+  virtual IccCS GetProfileCS(const uint8_t* pProfileData,
+                             unsigned int dwProfileSize) = 0;
+
+  virtual IccCS GetProfileCS(IFX_FileRead* pFile) = 0;
+
+  virtual void* CreateTransform(
+      ICodec_IccModule::IccParam* pInputParam,
+      ICodec_IccModule::IccParam* pOutputParam,
+      ICodec_IccModule::IccParam* pProofParam = NULL,
+      uint32_t dwIntent = Icc_INTENT_PERCEPTUAL,
+      uint32_t dwFlag = Icc_FLAGS_DEFAULT,
+      uint32_t dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC,
+      uint32_t dwPrfFlag = Icc_FLAGS_SOFTPROOFING) = 0;
+
+  virtual void* CreateTransform_sRGB(
+      const uint8_t* pProfileData,
+      uint32_t dwProfileSize,
+      uint32_t& nComponents,
+      int32_t intent = 0,
+      uint32_t dwSrcFormat = Icc_FORMAT_DEFAULT) = 0;
+
+  virtual void* CreateTransform_CMYK(
+      const uint8_t* pSrcProfileData,
+      uint32_t dwSrcProfileSize,
+      uint32_t& nSrcComponents,
+      const uint8_t* pDstProfileData,
+      uint32_t dwDstProfileSize,
+      int32_t intent = 0,
+      uint32_t dwSrcFormat = Icc_FORMAT_DEFAULT,
+      uint32_t dwDstFormat = Icc_FORMAT_DEFAULT) = 0;
+
+  virtual void DestroyTransform(void* pTransform) = 0;
+
+  virtual void Translate(void* pTransform,
+                         FX_FLOAT* pSrcValues,
+                         FX_FLOAT* pDestValues) = 0;
+
+  virtual void TranslateScanline(void* pTransform,
+                                 uint8_t* pDest,
+                                 const uint8_t* pSrc,
+                                 int pixels) = 0;
+  virtual void SetComponents(uint32_t nComponents) = 0;
+};
+
+void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels);
+void sRGB_to_AdobeCMYK(FX_FLOAT R,
+                       FX_FLOAT G,
+                       FX_FLOAT B,
+                       FX_FLOAT& c,
+                       FX_FLOAT& m,
+                       FX_FLOAT& y,
+                       FX_FLOAT& k);
+void AdobeCMYK_to_sRGB(FX_FLOAT c,
+                       FX_FLOAT m,
+                       FX_FLOAT y,
+                       FX_FLOAT k,
+                       FX_FLOAT& R,
+                       FX_FLOAT& G,
+                       FX_FLOAT& B);
+void AdobeCMYK_to_sRGB1(uint8_t c,
+                        uint8_t m,
+                        uint8_t y,
+                        uint8_t k,
+                        uint8_t& R,
+                        uint8_t& G,
+                        uint8_t& B);
+FX_BOOL MD5ComputeID(const void* buf, uint32_t dwSize, uint8_t ID[16]);
+void FaxG4Decode(const uint8_t* src_buf,
+                 uint32_t src_size,
+                 int* pbitpos,
+                 uint8_t* dest_buf,
+                 int width,
+                 int height,
+                 int pitch);
+
+#endif  // CORE_FXCODEC_INCLUDE_FX_CODEC_H_
diff --git a/core/fxcodec/include/fx_codec_def.h b/core/fxcodec/include/fx_codec_def.h
new file mode 100644
index 0000000000..fb1b5bcdac
--- /dev/null
+++ b/core/fxcodec/include/fx_codec_def.h
@@ -0,0 +1,92 @@
+// 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_FXCODEC_INCLUDE_FX_CODEC_DEF_H_
+#define CORE_FXCODEC_INCLUDE_FX_CODEC_DEF_H_
+
+enum FXCODEC_STATUS {
+  FXCODEC_STATUS_ERROR = -1,
+  FXCODEC_STATUS_FRAME_READY,
+  FXCODEC_STATUS_FRAME_TOBECONTINUE,
+  FXCODEC_STATUS_DECODE_READY,
+  FXCODEC_STATUS_DECODE_TOBECONTINUE,
+  FXCODEC_STATUS_DECODE_FINISH,
+#ifdef PDF_ENABLE_XFA
+  FXCODEC_STATUS_ERR_MEMORY,
+#endif  // PDF_ENABLE_XFA
+  FXCODEC_STATUS_ERR_READ,
+  FXCODEC_STATUS_ERR_FLUSH,
+  FXCODEC_STATUS_ERR_FORMAT,
+  FXCODEC_STATUS_ERR_PARAMS
+};
+#define JP2_SPACE_INVALID -1
+#define JPX_SPACE_INVALID -1
+#define JP2_SPACE_bilevel1 0
+#define JP2_SPACE_YCbCr1 1
+#define JP2_SPACE_YCbCr2 3
+#define JP2_SPACE_YCbCr3 4
+#define JP2_SPACE_PhotoYCC 9
+#define JP2_SPACE_CMY 11
+#define JP2_SPACE_CMYK 12
+#define JP2_SPACE_YCCK 13
+#define JP2_SPACE_CIELab 14
+#define JP2_SPACE_bilevel2 15
+#define JP2_SPACE_sRGB 16
+#define JP2_SPACE_sLUM 17
+#define JP2_SPACE_sYCC 18
+#define JP2_SPACE_CIEJab 19
+#define JP2_SPACE_esRGB 20
+#define JP2_SPACE_ROMMRGB 21
+#define JP2_SPACE_YPbPr60 22
+#define JP2_SPACE_YPbPr50 23
+#define JP2_SPACE_esYCC 24
+#define JP2_SPACE_iccLUM 100
+#define JP2_SPACE_iccRGB 101
+#define Icc_INTENT_PERCEPTUAL 0
+#define Icc_INTENT_RELATIVE_COLORIMETRIC 1
+#define Icc_INTENT_SATURATION 2
+#define Icc_INTENT_ABSOLUTE_COLORIMETRIC 3
+#define Icc_FORMAT_DEFAULT 0
+#define Icc_FORMAT_SWAP (1 << 10)
+#define Icc_FLAGS_DEFAULT 0x0000
+#define Icc_FLAGS_BLACKPOINTCOMPENSATION 0x2000
+#define Icc_FLAGS_NOWHITEONWHITEFIXUP 0x0004
+#define Icc_FLAGS_HIGHRESPRECALC 0x0400
+#define Icc_FLAGS_LOWRESPRECALC 0x0800
+#define Icc_FLAGS_GAMUTCHECK 0x1000
+#define Icc_FLAGS_SOFTPROOFING 0x4000
+#define Icc_PARAMTYPE_NONE 0
+#define Icc_PARAMTYPE_BUFFER 1
+#define Icc_PARAMTYPE_PARAM 2
+#ifdef PDF_ENABLE_XFA
+enum FXCODEC_IMAGE_TYPE {
+  FXCODEC_IMAGE_UNKNOWN = 0,
+  FXCODEC_IMAGE_BMP,
+  FXCODEC_IMAGE_JPG,
+  FXCODEC_IMAGE_PNG,
+  FXCODEC_IMAGE_GIF,
+  FXCODEC_IMAGE_TIF,
+  FXCODEC_IMAGE_MAX
+};
+enum FXCODEC_RESUNIT {
+  FXCODEC_RESUNIT_NONE = 0,
+  FXCODEC_RESUNIT_INCH,
+  FXCODEC_RESUNIT_CENTIMETER,
+  FXCODEC_RESUNIT_METER
+};
+#endif  // PDF_ENABLE_XFA
+#define EXIFTAG_USHORT_RESUNIT 296
+#define EXIFTAG_FLOAT_DPIX 282
+#define EXIFTAG_FLOAT_DPIY 283
+#define EXIFTAG_USHORT_ORIENTATION 274
+#define EXIFTAG_STRING_MANUFACTURER 271
+#define EXIFTAG_STRING_MODULE 272
+#define EXIFTAG_STRING_SOFTWARE 305
+#define EXIFTAG_STRING_IAMGEDESCRIPTION 270
+#define EXIFTAG_STRING_DATETIME 306
+#define EXIFTAG_STRING_COPYRIGHT 33432
+
+#endif  // CORE_FXCODEC_INCLUDE_FX_CODEC_DEF_H_
diff --git a/core/fxcodec/include/fx_codec_flate.h b/core/fxcodec/include/fx_codec_flate.h
new file mode 100644
index 0000000000..83e9281b48
--- /dev/null
+++ b/core/fxcodec/include/fx_codec_flate.h
@@ -0,0 +1,33 @@
+// Copyright 2015 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_FXCODEC_INCLUDE_FX_CODEC_FLATE_H_
+#define CORE_FXCODEC_INCLUDE_FX_CODEC_FLATE_H_
+
+#include "third_party/zlib_v128/zlib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Note: Some of these return Z_* status codes from zlib.h.
+void* FPDFAPI_FlateInit(void* (*alloc_func)(void*, unsigned int, unsigned int),
+                        void (*free_func)(void*, void*));
+void FPDFAPI_FlateInput(void* context,
+                        const unsigned char* src_buf,
+                        unsigned int src_size);
+int FPDFAPI_FlateOutput(void* context,
+                        unsigned char* dest_buf,
+                        unsigned int dest_size);
+int FPDFAPI_FlateGetAvailIn(void* context);
+int FPDFAPI_FlateGetAvailOut(void* context);
+void FPDFAPI_FlateEnd(void* context);
+
+#ifdef __cplusplus
+}  // extern "C"
+#endif
+
+#endif  // CORE_FXCODEC_INCLUDE_FX_CODEC_FLATE_H_