Initial commit.

3 files changed, 412 insertions, 0 deletions

diff --git a/core/include/fxcodec/fx_codec.h b/core/include/fxcodec/fx_codec.h
new file mode 100644
index 0000000000..bee9702b28
--- /dev/null
+++ b/core/include/fxcodec/fx_codec.h
@@ -0,0 +1,288 @@
+// 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 _FX_CODEC_H_

+#define _FX_CODEC_H_

+#ifndef _FXCRT_EXTENSION_

+#include "../fxcrt/fx_ext.h"

+#endif

+#include "fx_codec_def.h"

+#include "fx_codec_provider.h"

+class CFX_DIBSource;

+class ICodec_ScanlineDecoder;

+class ICodec_BasicModule;

+class ICodec_FaxModule;

+class ICodec_JpegModule;

+class ICodec_JpxModule;

+class ICodec_Jbig2Module;

+class ICodec_IccModule;

+class ICodec_FlateModule;

+class ICodec_Jbig2Encoder;

+class ICodec_ScanlineDecoder;

+class CCodec_ModuleMgr : public CFX_Object

+{

+public:

+

+    static CCodec_ModuleMgr*	Create();

+

+    void				Destroy();

+

+    void				InitJbig2Decoder();

+

+    void				InitJpxDecoder();

+

+

+    void				InitIccDecoder();

+

+    ICodec_Jbig2Encoder*		CreateJbig2Encoder();

+protected:

+    CCodec_ModuleMgr();

+    ~CCodec_ModuleMgr();

+public:

+    ICodec_BasicModule*	GetBasicModule()

+    {

+        return m_pBasicModule;

+    }

+    ICodec_FaxModule*	GetFaxModule()

+    {

+        return m_pFaxModule;

+    }

+    ICodec_JpegModule*	GetJpegModule()

+    {

+        return m_pJpegModule;

+    }

+    ICodec_JpxModule*	GetJpxModule()

+    {

+        return m_pJpxModule;

+    }

+    ICodec_Jbig2Module*	GetJbig2Module()

+    {

+        return m_pJbig2Module;

+    }

+    ICodec_IccModule*	GetIccModule()

+    {

+        return m_pIccModule;

+    }

+    ICodec_FlateModule*	GetFlateModule()

+    {

+        return m_pFlateModule;

+    }

+protected:

+    ICodec_BasicModule*	m_pBasicModule;

+    ICodec_FaxModule*	m_pFaxModule;

+    ICodec_JpegModule*	m_pJpegModule;

+    ICodec_JpxModule*	m_pJpxModule;

+    ICodec_Jbig2Module*	m_pJbig2Module;

+    ICodec_IccModule*	m_pIccModule;

+    ICodec_FlateModule*	m_pFlateModule;

+

+};

+class ICodec_BasicModule : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_BasicModule() {}

+    virtual FX_BOOL	RunLengthEncode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf,

+                                    FX_DWORD& dest_size) = 0;

+    virtual FX_BOOL	A85Encode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf,

+                              FX_DWORD& dest_size) = 0;

+    virtual ICodec_ScanlineDecoder*	CreateRunLengthDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,

+            int nComps, int bpc) = 0;

+};

+class ICodec_ScanlineDecoder : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_ScanlineDecoder() {}

+

+    virtual FX_DWORD	GetSrcOffset() = 0;

+

+    virtual void		DownScale(int dest_width, int dest_height) = 0;

+

+    virtual FX_LPBYTE	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;

+

+    virtual FX_BOOL		IsColorTransformed() = 0;

+

+    virtual void		ClearImageData() = 0;

+};

+class ICodec_FlateModule : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_FlateModule() {}

+    virtual ICodec_ScanlineDecoder*	CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,

+            int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns) = 0;

+    virtual FX_DWORD	FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange,

+                                         int predictor, int Colors, int BitsPerComponent, int Columns,

+                                         FX_DWORD estimated_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;

+    virtual FX_BOOL		Encode(const FX_BYTE* src_buf, FX_DWORD src_size,

+                               int predictor, int Colors, int BitsPerComponent, int Columns,

+                               FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;

+    virtual FX_BOOL		Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;

+};

+class ICodec_FaxModule : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_FaxModule() {}

+

+    virtual ICodec_ScanlineDecoder*	CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD 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(FX_LPCBYTE src_buf, int width, int height, int pitch,

+                               FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;

+};

+class ICodec_JpegModule : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_JpegModule() {}

+

+    virtual void		SetPovider(IFX_JpegProvider* pJP) = 0;

+

+    virtual ICodec_ScanlineDecoder*	CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size,

+            int width, int height, int nComps, FX_BOOL ColorTransform) = 0;

+

+    virtual FX_BOOL		LoadInfo(FX_LPCBYTE src_buf, FX_DWORD src_size, int& width, int& height,

+                                 int& num_components, int& bits_per_components, FX_BOOL& color_transform,

+                                 FX_LPBYTE* icc_buf_ptr = NULL, FX_DWORD* icc_length = NULL) = 0;

+

+    virtual FX_BOOL		Encode(const class CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality = 75,

+                               FX_LPCBYTE icc_buf = NULL, FX_DWORD icc_length = 0) = 0;

+

+    virtual void*		Start() = 0;

+

+    virtual void		Finish(void* pContext) = 0;

+

+    virtual void		Input(void* pContext, FX_LPCBYTE src_buf, FX_DWORD src_size) = 0;

+

+    virtual int			ReadHeader(void* pContext, int* width, int* height, int* nComps) = 0;

+

+

+    virtual int			StartScanline(void* pContext, int down_scale) = 0;

+

+

+    virtual FX_BOOL		ReadScanline(void* pContext, FX_LPBYTE dest_buf) = 0;

+

+

+    virtual FX_DWORD	GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr = NULL) = 0;

+};

+class ICodec_JpxModule : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_JpxModule() {}

+

+    virtual FX_LPVOID 	CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE) = 0;

+

+    virtual void		GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height,

+                                     FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) = 0;

+

+    virtual FX_BOOL		Decode(FX_LPVOID ctx, FX_LPBYTE dest_data, int pitch,

+                               FX_BOOL bTranslateColor, FX_LPBYTE offsets) = 0;

+

+    virtual void		DestroyDecoder(FX_LPVOID ctx) = 0;

+};

+class ICodec_Jbig2Module : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_Jbig2Module() {}

+

+    virtual FX_BOOL		Decode(FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size,

+                               FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch)  = 0;

+

+    virtual FX_BOOL		Decode(IFX_FileRead* file_ptr, FX_DWORD& width, FX_DWORD& height,

+                               FX_DWORD& pitch, FX_LPBYTE& dest_buf) = 0;

+    virtual void*				CreateJbig2Context() = 0;

+

+    virtual FXCODEC_STATUS		StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size,

+                                            FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch, IFX_Pause* pPause) = 0;

+

+    virtual FXCODEC_STATUS		StartDecode(void* pJbig2Context, IFX_FileRead* file_ptr,

+                                            FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, FX_LPBYTE& dest_buf, IFX_Pause* pPause) = 0;

+    virtual FXCODEC_STATUS		ContinueDecode(void* pJbig2Content, IFX_Pause* pPause) = 0;

+    virtual void				DestroyJbig2Context(void* pJbig2Content) = 0;

+};

+class ICodec_Jbig2Encoder : public CFX_Object

+{

+public:

+

+    virtual ~ICodec_Jbig2Encoder() {}

+};

+class ICodec_IccModule : public CFX_Object

+{

+public:

+    typedef enum {

+        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

+    } IccCS;

+    typedef struct _IccParam {

+        FX_DWORD	Version;

+        IccCS		ColorSpace;

+        FX_DWORD	dwProfileType;

+        FX_DWORD	dwFormat;

+        FX_LPBYTE	pProfileData;

+        FX_DWORD	dwProfileSize;

+        double		Gamma;

+    } IccParam;

+

+    virtual ~ICodec_IccModule() {}

+

+    virtual IccCS			GetProfileCS(FX_LPCBYTE pProfileData, unsigned int dwProfileSize) = 0;

+

+    virtual IccCS			GetProfileCS(IFX_FileRead* pFile) = 0;

+

+    virtual FX_LPVOID	CreateTransform(ICodec_IccModule::IccParam* pInputParam,

+                                        ICodec_IccModule::IccParam* pOutputParam,

+                                        ICodec_IccModule::IccParam* pProofParam = NULL,

+                                        FX_DWORD dwIntent = Icc_INTENT_PERCEPTUAL,

+                                        FX_DWORD dwFlag = Icc_FLAGS_DEFAULT,

+                                        FX_DWORD dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC,

+                                        FX_DWORD dwPrfFlag = Icc_FLAGS_SOFTPROOFING

+                                     ) = 0;

+

+

+    virtual FX_LPVOID	CreateTransform_sRGB(FX_LPCBYTE pProfileData, unsigned int dwProfileSize, int nComponents, int intent = 0,

+            FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT) = 0;

+

+    virtual FX_LPVOID	CreateTransform_CMYK(FX_LPCBYTE pSrcProfileData, unsigned int dwSrcProfileSize, int nSrcComponents,

+            FX_LPCBYTE pDstProfileData, unsigned int dwDstProfileSize, int intent = 0,

+            FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT,

+            FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT

+                                          ) = 0;

+

+    virtual void			DestroyTransform(FX_LPVOID pTransform) = 0;

+

+    virtual void			Translate(FX_LPVOID pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues) = 0;

+

+    virtual void			TranslateScanline(FX_LPVOID pTransform, FX_LPBYTE pDest, FX_LPCBYTE pSrc, int pixels) = 0;

+};

+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(FX_BYTE c, FX_BYTE m, FX_BYTE y, FX_BYTE k, FX_BYTE& R, FX_BYTE& G, FX_BYTE& B);

+FX_BOOL MD5ComputeID(FX_LPCVOID buf, FX_DWORD dwSize, FX_BYTE ID[16]);

+#endif

diff --git a/core/include/fxcodec/fx_codec_def.h b/core/include/fxcodec/fx_codec_def.h
new file mode 100644
index 0000000000..72b10bd012
--- /dev/null
+++ b/core/include/fxcodec/fx_codec_def.h
@@ -0,0 +1,71 @@
+// 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 _FX_CODEC_DEF_H_

+#define _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,

+    FXCODEC_STATUS_ERR_MEMORY,

+    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

+#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

diff --git a/core/include/fxcodec/fx_codec_provider.h b/core/include/fxcodec/fx_codec_provider.h
new file mode 100644
index 0000000000..4ef61d8552
--- /dev/null
+++ b/core/include/fxcodec/fx_codec_provider.h
@@ -0,0 +1,53 @@
+// 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 _FX_CODEC_PROVIDER_H_

+#define _FX_CODEC_PROVIDER_H_

+class IFX_JpegProvider

+{

+public:

+

+    virtual void		Release() = 0;

+

+    virtual void*		CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, int nComps, FX_BOOL ColorTransform) = 0;

+

+

+    virtual void		DestroyDecoder(void* pDecoder) = 0;

+

+    virtual void		DownScale(void* pDecoder, int dest_width, int dest_height) = 0;

+

+    virtual FX_BOOL		Rewind(void* pDecoder) = 0;

+

+    virtual FX_LPBYTE	GetNextLine(void* pDecoder) = 0;

+

+    virtual FX_DWORD	GetSrcOffset(void* pDecoder) = 0;

+

+

+    virtual FX_BOOL		LoadInfo(FX_LPCBYTE src_buf, FX_DWORD src_size, int& width, int& height,

+                                 int& num_components, int& bits_per_components, FX_BOOL& color_transform,

+                                 FX_LPBYTE* icc_buf_ptr = NULL, FX_DWORD* icc_length = NULL) = 0;

+

+    virtual FX_BOOL		Encode(const class CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality = 75,

+                               FX_LPCBYTE icc_buf = NULL, FX_DWORD icc_length = 0) = 0;

+

+    virtual void*		Start() = 0;

+

+    virtual void		Finish(void* pContext) = 0;

+

+    virtual void		Input(void* pContext, FX_LPCBYTE src_buf, FX_DWORD src_size) = 0;

+

+    virtual int			ReadHeader(void* pContext, int* width, int* height, int* nComps) = 0;

+

+

+    virtual int			StartScanline(void* pContext, int down_scale) = 0;

+

+

+    virtual FX_BOOL		ReadScanline(void* pContext, FX_LPBYTE dest_buf) = 0;

+

+

+    virtual FX_DWORD	GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr = NULL) = 0;

+};

+#endif