diff options
Diffstat (limited to 'core/include/fxcodec/fx_codec.h')
| -rw-r--r-- | core/include/fxcodec/fx_codec.h | 288 |
1 files changed, 288 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
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