1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
9 #ifndef _FXCRT_EXTENSION_
10 #include "../fxcrt/fx_ext.h"
12 #include "fx_codec_def.h"
13 #include "fx_codec_provider.h"
15 class ICodec_ScanlineDecoder;
16 class ICodec_BasicModule;
17 class ICodec_FaxModule;
18 class ICodec_JpegModule;
19 class ICodec_JpxModule;
20 class ICodec_Jbig2Module;
21 class ICodec_IccModule;
22 class ICodec_FlateModule;
23 class ICodec_Jbig2Encoder;
24 class ICodec_ScanlineDecoder;
25 class CCodec_ModuleMgr : public CFX_Object
29 static CCodec_ModuleMgr* Create();
33 void InitJbig2Decoder();
35 void InitJpxDecoder();
38 void InitIccDecoder();
40 ICodec_Jbig2Encoder* CreateJbig2Encoder();
45 ICodec_BasicModule* GetBasicModule()
47 return m_pBasicModule;
49 ICodec_FaxModule* GetFaxModule()
53 ICodec_JpegModule* GetJpegModule()
57 ICodec_JpxModule* GetJpxModule()
61 ICodec_Jbig2Module* GetJbig2Module()
63 return m_pJbig2Module;
65 ICodec_IccModule* GetIccModule()
69 ICodec_FlateModule* GetFlateModule()
71 return m_pFlateModule;
74 ICodec_BasicModule* m_pBasicModule;
75 ICodec_FaxModule* m_pFaxModule;
76 ICodec_JpegModule* m_pJpegModule;
77 ICodec_JpxModule* m_pJpxModule;
78 ICodec_Jbig2Module* m_pJbig2Module;
79 ICodec_IccModule* m_pIccModule;
80 ICodec_FlateModule* m_pFlateModule;
83 class ICodec_BasicModule : public CFX_Object
87 virtual ~ICodec_BasicModule() {}
88 virtual FX_BOOL RunLengthEncode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf,
89 FX_DWORD& dest_size) = 0;
90 virtual FX_BOOL A85Encode(const FX_BYTE* src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf,
91 FX_DWORD& dest_size) = 0;
92 virtual ICodec_ScanlineDecoder* CreateRunLengthDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
93 int nComps, int bpc) = 0;
95 class ICodec_ScanlineDecoder : public CFX_Object
99 virtual ~ICodec_ScanlineDecoder() {}
101 virtual FX_DWORD GetSrcOffset() = 0;
103 virtual void DownScale(int dest_width, int dest_height) = 0;
105 virtual FX_LPBYTE GetScanline(int line) = 0;
107 virtual FX_BOOL SkipToScanline(int line, IFX_Pause* pPause) = 0;
109 virtual int GetWidth() = 0;
111 virtual int GetHeight() = 0;
113 virtual int CountComps() = 0;
115 virtual int GetBPC() = 0;
117 virtual FX_BOOL IsColorTransformed() = 0;
119 virtual void ClearImageData() = 0;
121 class ICodec_FlateModule : public CFX_Object
125 virtual ~ICodec_FlateModule() {}
126 virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
127 int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns) = 0;
128 virtual FX_DWORD FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_buf, FX_DWORD src_size, FX_BOOL bEarlyChange,
129 int predictor, int Colors, int BitsPerComponent, int Columns,
130 FX_DWORD estimated_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;
131 virtual FX_BOOL Encode(const FX_BYTE* src_buf, FX_DWORD src_size,
132 int predictor, int Colors, int BitsPerComponent, int Columns,
133 FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;
134 virtual FX_BOOL Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;
136 class ICodec_FaxModule : public CFX_Object
140 virtual ~ICodec_FaxModule() {}
142 virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
143 int K, FX_BOOL EndOfLine, FX_BOOL EncodedByteAlign, FX_BOOL BlackIs1, int Columns, int Rows) = 0;
146 virtual FX_BOOL Encode(FX_LPCBYTE src_buf, int width, int height, int pitch,
147 FX_LPBYTE& dest_buf, FX_DWORD& dest_size) = 0;
149 class ICodec_JpegModule : public CFX_Object
153 virtual ~ICodec_JpegModule() {}
155 virtual void SetPovider(IFX_JpegProvider* pJP) = 0;
157 virtual ICodec_ScanlineDecoder* CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size,
158 int width, int height, int nComps, FX_BOOL ColorTransform) = 0;
160 virtual FX_BOOL LoadInfo(FX_LPCBYTE src_buf, FX_DWORD src_size, int& width, int& height,
161 int& num_components, int& bits_per_components, FX_BOOL& color_transform,
162 FX_LPBYTE* icc_buf_ptr = NULL, FX_DWORD* icc_length = NULL) = 0;
164 virtual FX_BOOL Encode(const class CFX_DIBSource* pSource, FX_LPBYTE& dest_buf, FX_STRSIZE& dest_size, int quality = 75,
165 FX_LPCBYTE icc_buf = NULL, FX_DWORD icc_length = 0) = 0;
167 virtual void* Start() = 0;
169 virtual void Finish(void* pContext) = 0;
171 virtual void Input(void* pContext, FX_LPCBYTE src_buf, FX_DWORD src_size) = 0;
173 virtual int ReadHeader(void* pContext, int* width, int* height, int* nComps) = 0;
176 virtual int StartScanline(void* pContext, int down_scale) = 0;
179 virtual FX_BOOL ReadScanline(void* pContext, FX_LPBYTE dest_buf) = 0;
182 virtual FX_DWORD GetAvailInput(void* pContext, FX_LPBYTE* avail_buf_ptr = NULL) = 0;
184 class ICodec_JpxModule : public CFX_Object
188 virtual ~ICodec_JpxModule() {}
190 virtual FX_LPVOID CreateDecoder(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_BOOL useColorSpace = FALSE) = 0;
192 virtual void GetImageInfo(FX_LPVOID ctx, FX_DWORD& width, FX_DWORD& height,
193 FX_DWORD& codestream_nComps, FX_DWORD& output_nComps) = 0;
195 virtual FX_BOOL Decode(FX_LPVOID ctx, FX_LPBYTE dest_data, int pitch,
196 FX_BOOL bTranslateColor, FX_LPBYTE offsets) = 0;
198 virtual void DestroyDecoder(FX_LPVOID ctx) = 0;
200 class ICodec_Jbig2Module : public CFX_Object
204 virtual ~ICodec_Jbig2Module() {}
206 virtual FX_BOOL Decode(FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size,
207 FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch) = 0;
209 virtual FX_BOOL Decode(IFX_FileRead* file_ptr, FX_DWORD& width, FX_DWORD& height,
210 FX_DWORD& pitch, FX_LPBYTE& dest_buf) = 0;
211 virtual void* CreateJbig2Context() = 0;
213 virtual FXCODEC_STATUS StartDecode(void* pJbig2Context, FX_DWORD width, FX_DWORD height, FX_LPCBYTE src_buf, FX_DWORD src_size,
214 FX_LPCBYTE global_data, FX_DWORD global_size, FX_LPBYTE dest_buf, FX_DWORD dest_pitch, IFX_Pause* pPause) = 0;
216 virtual FXCODEC_STATUS StartDecode(void* pJbig2Context, IFX_FileRead* file_ptr,
217 FX_DWORD& width, FX_DWORD& height, FX_DWORD& pitch, FX_LPBYTE& dest_buf, IFX_Pause* pPause) = 0;
218 virtual FXCODEC_STATUS ContinueDecode(void* pJbig2Content, IFX_Pause* pPause) = 0;
219 virtual void DestroyJbig2Context(void* pJbig2Content) = 0;
221 class ICodec_Jbig2Encoder : public CFX_Object
225 virtual ~ICodec_Jbig2Encoder() {}
227 class ICodec_IccModule : public CFX_Object
244 typedef struct _IccParam {
247 FX_DWORD dwProfileType;
249 FX_LPBYTE pProfileData;
250 FX_DWORD dwProfileSize;
254 virtual ~ICodec_IccModule() {}
256 virtual IccCS GetProfileCS(FX_LPCBYTE pProfileData, unsigned int dwProfileSize) = 0;
258 virtual IccCS GetProfileCS(IFX_FileRead* pFile) = 0;
260 virtual FX_LPVOID CreateTransform(ICodec_IccModule::IccParam* pInputParam,
261 ICodec_IccModule::IccParam* pOutputParam,
262 ICodec_IccModule::IccParam* pProofParam = NULL,
263 FX_DWORD dwIntent = Icc_INTENT_PERCEPTUAL,
264 FX_DWORD dwFlag = Icc_FLAGS_DEFAULT,
265 FX_DWORD dwPrfIntent = Icc_INTENT_ABSOLUTE_COLORIMETRIC,
266 FX_DWORD dwPrfFlag = Icc_FLAGS_SOFTPROOFING
270 virtual FX_LPVOID CreateTransform_sRGB(FX_LPCBYTE pProfileData, unsigned int dwProfileSize, int nComponents, int intent = 0,
271 FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT) = 0;
273 virtual FX_LPVOID CreateTransform_CMYK(FX_LPCBYTE pSrcProfileData, unsigned int dwSrcProfileSize, int nSrcComponents,
274 FX_LPCBYTE pDstProfileData, unsigned int dwDstProfileSize, int intent = 0,
275 FX_DWORD dwSrcFormat = Icc_FORMAT_DEFAULT,
276 FX_DWORD dwDstFormat = Icc_FORMAT_DEFAULT
279 virtual void DestroyTransform(FX_LPVOID pTransform) = 0;
281 virtual void Translate(FX_LPVOID pTransform, FX_FLOAT* pSrcValues, FX_FLOAT* pDestValues) = 0;
283 virtual void TranslateScanline(FX_LPVOID pTransform, FX_LPBYTE pDest, FX_LPCBYTE pSrc, int pixels) = 0;
285 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);
286 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);
287 FX_BOOL MD5ComputeID(FX_LPCVOID buf, FX_DWORD dwSize, FX_BYTE ID[16]);