diff options
Diffstat (limited to 'core/src/fxcodec/codec/fx_codec.cpp')
-rw-r--r-- | core/src/fxcodec/codec/fx_codec.cpp | 1439 |
1 files changed, 719 insertions, 720 deletions
diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp index 96366fae2b..1ef85f91f0 100644 --- a/core/src/fxcodec/codec/fx_codec.cpp +++ b/core/src/fxcodec/codec/fx_codec.cpp @@ -8,748 +8,747 @@ #include "codec_int.h" CCodec_ModuleMgr::CCodec_ModuleMgr() - : m_pBasicModule(new CCodec_BasicModule), - m_pFaxModule(new CCodec_FaxModule), - m_pJpegModule(new CCodec_JpegModule), - m_pJpxModule(new CCodec_JpxModule), - m_pJbig2Module(new CCodec_Jbig2Module), - m_pIccModule(new CCodec_IccModule), - m_pFlateModule(new CCodec_FlateModule), - m_pPngModule(new CCodec_PngModule), - m_pGifModule(new CCodec_GifModule), - m_pBmpModule(new CCodec_BmpModule), - m_pTiffModule(new CCodec_TiffModule) { -} -CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() -{ - m_NextLine = -1; - m_pDataCache = NULL; - m_pLastScanline = NULL; -} -CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() -{ - if (m_pDataCache) { - FX_Free(m_pDataCache); - } -} -uint8_t* CCodec_ScanlineDecoder::GetScanline(int line) -{ - if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { - return &m_pDataCache->m_Data + line * m_Pitch; - } - if (m_NextLine == line + 1) { - return m_pLastScanline; - } - if (m_NextLine < 0 || m_NextLine > line) { - if (!v_Rewind()) { - return NULL; - } - m_NextLine = 0; - } - while (m_NextLine < line) { - ReadNextLine(); - m_NextLine ++; - } - m_pLastScanline = ReadNextLine(); - m_NextLine ++; + : m_pBasicModule(new CCodec_BasicModule), + m_pFaxModule(new CCodec_FaxModule), + m_pJpegModule(new CCodec_JpegModule), + m_pJpxModule(new CCodec_JpxModule), + m_pJbig2Module(new CCodec_Jbig2Module), + m_pIccModule(new CCodec_IccModule), + m_pFlateModule(new CCodec_FlateModule), + m_pPngModule(new CCodec_PngModule), + m_pGifModule(new CCodec_GifModule), + m_pBmpModule(new CCodec_BmpModule), + m_pTiffModule(new CCodec_TiffModule) {} +CCodec_ScanlineDecoder::CCodec_ScanlineDecoder() { + m_NextLine = -1; + m_pDataCache = NULL; + m_pLastScanline = NULL; +} +CCodec_ScanlineDecoder::~CCodec_ScanlineDecoder() { + if (m_pDataCache) { + FX_Free(m_pDataCache); + } +} +uint8_t* CCodec_ScanlineDecoder::GetScanline(int line) { + if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { + return &m_pDataCache->m_Data + line * m_Pitch; + } + if (m_NextLine == line + 1) { return m_pLastScanline; -} -FX_BOOL CCodec_ScanlineDecoder::SkipToScanline(int line, IFX_Pause* pPause) -{ - if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { - return FALSE; - } - if (m_NextLine == line || m_NextLine == line + 1) { - return FALSE; - } - if (m_NextLine < 0 || m_NextLine > line) { - v_Rewind(); - m_NextLine = 0; - } - m_pLastScanline = NULL; - while (m_NextLine < line) { - m_pLastScanline = ReadNextLine(); - m_NextLine ++; - if (pPause && pPause->NeedToPauseNow()) { - return TRUE; - } - } + } + if (m_NextLine < 0 || m_NextLine > line) { + if (!v_Rewind()) { + return NULL; + } + m_NextLine = 0; + } + while (m_NextLine < line) { + ReadNextLine(); + m_NextLine++; + } + m_pLastScanline = ReadNextLine(); + m_NextLine++; + return m_pLastScanline; +} +FX_BOOL CCodec_ScanlineDecoder::SkipToScanline(int line, IFX_Pause* pPause) { + if (m_pDataCache && line < m_pDataCache->m_nCachedLines) { return FALSE; -} -uint8_t* CCodec_ScanlineDecoder::ReadNextLine() -{ - uint8_t* pLine = v_GetNextLine(); - if (pLine == NULL) { - return NULL; - } - if (m_pDataCache && m_NextLine == m_pDataCache->m_nCachedLines) { - FXSYS_memcpy(&m_pDataCache->m_Data + m_NextLine * m_Pitch, pLine, m_Pitch); - m_pDataCache->m_nCachedLines ++; - } - return pLine; -} -void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) -{ - if (dest_width < 0) { - dest_width = -dest_width; - } - if (dest_height < 0) { - dest_height = -dest_height; - } - v_DownScale(dest_width, dest_height); - if (m_pDataCache) { - if (m_pDataCache->m_Height == m_OutputHeight && m_pDataCache->m_Width == m_OutputWidth) { - return; - } - FX_Free(m_pDataCache); - m_pDataCache = NULL; - } - m_pDataCache = (CCodec_ImageDataCache*)FX_TryAlloc(uint8_t, sizeof(CCodec_ImageDataCache) + m_Pitch * m_OutputHeight); - if (m_pDataCache == NULL) { - return; - } - m_pDataCache->m_Height = m_OutputHeight; - m_pDataCache->m_Width = m_OutputWidth; - m_pDataCache->m_nCachedLines = 0; -} -FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size) -{ + } + if (m_NextLine == line || m_NextLine == line + 1) { return FALSE; -} -extern "C" double FXstrtod(const char* nptr, char** endptr) -{ - double ret = 0.0; - const char* ptr = nptr; - const char* exp_ptr = NULL; - int e_number = 0, - e_signal = 0, - e_point = 0, - is_negative = 0; - int exp_ret = 0, exp_sig = 1, - fra_ret = 0, fra_count = 0, fra_base = 1; - if(nptr == NULL) { - return 0.0; - } - for (;; ptr++) { - if(!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) { - continue; - } - if(*ptr >= '0' && *ptr <= '9') { - if(!e_number) { - e_number = 1; - } - if(!e_point) { - ret *= 10; - ret += (*ptr - '0'); - } else { - fra_count++; - fra_ret *= 10; - fra_ret += (*ptr - '0'); - } - continue; - } - if(!e_point && *ptr == '.') { - e_point = 1; - continue; - } - if(!e_number && !e_point && !e_signal) { - switch(*ptr) { - case '-': - is_negative = 1; - case '+': - e_signal = 1; - continue; - } - } - if(e_number && (*ptr == 'e' || *ptr == 'E')) { -#define EXPONENT_DETECT(ptr) \ - for(;;ptr++){ \ - if(*ptr < '0' || *ptr > '9'){ \ - if(endptr) *endptr = (char*)ptr; \ - break; \ - }else{ \ - exp_ret *= 10; \ - exp_ret += (*ptr - '0'); \ - continue; \ - } \ - } - exp_ptr = ptr++; - if(*ptr == '+' || *ptr == '-') { - exp_sig = (*ptr++ == '+') ? 1 : -1; - if(*ptr < '0' || *ptr > '9') { - if(endptr) { - *endptr = (char*)exp_ptr; - } - break; - } - EXPONENT_DETECT(ptr); - } else if(*ptr >= '0' && *ptr <= '9') { - EXPONENT_DETECT(ptr); - } else { - if(endptr) { - *endptr = (char*)exp_ptr; - } - break; - } -#undef EXPONENT_DETECT - break; - } - if(ptr != nptr && !e_number) { - if(endptr) { - *endptr = (char*)nptr; - } - break; + } + if (m_NextLine < 0 || m_NextLine > line) { + v_Rewind(); + m_NextLine = 0; + } + m_pLastScanline = NULL; + while (m_NextLine < line) { + m_pLastScanline = ReadNextLine(); + m_NextLine++; + if (pPause && pPause->NeedToPauseNow()) { + return TRUE; + } + } + return FALSE; +} +uint8_t* CCodec_ScanlineDecoder::ReadNextLine() { + uint8_t* pLine = v_GetNextLine(); + if (pLine == NULL) { + return NULL; + } + if (m_pDataCache && m_NextLine == m_pDataCache->m_nCachedLines) { + FXSYS_memcpy(&m_pDataCache->m_Data + m_NextLine * m_Pitch, pLine, m_Pitch); + m_pDataCache->m_nCachedLines++; + } + return pLine; +} +void CCodec_ScanlineDecoder::DownScale(int dest_width, int dest_height) { + if (dest_width < 0) { + dest_width = -dest_width; + } + if (dest_height < 0) { + dest_height = -dest_height; + } + v_DownScale(dest_width, dest_height); + if (m_pDataCache) { + if (m_pDataCache->m_Height == m_OutputHeight && + m_pDataCache->m_Width == m_OutputWidth) { + return; + } + FX_Free(m_pDataCache); + m_pDataCache = NULL; + } + m_pDataCache = (CCodec_ImageDataCache*)FX_TryAlloc( + uint8_t, sizeof(CCodec_ImageDataCache) + m_Pitch * m_OutputHeight); + if (m_pDataCache == NULL) { + return; + } + m_pDataCache->m_Height = m_OutputHeight; + m_pDataCache->m_Width = m_OutputWidth; + m_pDataCache->m_nCachedLines = 0; +} +FX_BOOL CCodec_BasicModule::RunLengthEncode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + return FALSE; +} +extern "C" double FXstrtod(const char* nptr, char** endptr) { + double ret = 0.0; + const char* ptr = nptr; + const char* exp_ptr = NULL; + int e_number = 0, e_signal = 0, e_point = 0, is_negative = 0; + int exp_ret = 0, exp_sig = 1, fra_ret = 0, fra_count = 0, fra_base = 1; + if (nptr == NULL) { + return 0.0; + } + for (;; ptr++) { + if (!e_number && !e_point && (*ptr == '\t' || *ptr == ' ')) { + continue; + } + if (*ptr >= '0' && *ptr <= '9') { + if (!e_number) { + e_number = 1; + } + if (!e_point) { + ret *= 10; + ret += (*ptr - '0'); + } else { + fra_count++; + fra_ret *= 10; + fra_ret += (*ptr - '0'); + } + continue; + } + if (!e_point && *ptr == '.') { + e_point = 1; + continue; + } + if (!e_number && !e_point && !e_signal) { + switch (*ptr) { + case '-': + is_negative = 1; + case '+': + e_signal = 1; + continue; + } + } + if (e_number && (*ptr == 'e' || *ptr == 'E')) { +#define EXPONENT_DETECT(ptr) \ + for (;; ptr++) { \ + if (*ptr < '0' || *ptr > '9') { \ + if (endptr) \ + *endptr = (char*)ptr; \ + break; \ + } else { \ + exp_ret *= 10; \ + exp_ret += (*ptr - '0'); \ + continue; \ + } \ + } + exp_ptr = ptr++; + if (*ptr == '+' || *ptr == '-') { + exp_sig = (*ptr++ == '+') ? 1 : -1; + if (*ptr < '0' || *ptr > '9') { + if (endptr) { + *endptr = (char*)exp_ptr; + } + break; } - if(endptr) { - *endptr = (char*)ptr; + EXPONENT_DETECT(ptr); + } else if (*ptr >= '0' && *ptr <= '9') { + EXPONENT_DETECT(ptr); + } else { + if (endptr) { + *endptr = (char*)exp_ptr; } break; - } - while(fra_count--) { - fra_base *= 10; - } - ret += (double)fra_ret / (double)fra_base; - if(exp_sig == 1) { - while(exp_ret--) { - ret *= 10.0; - } - } else { - while(exp_ret--) { - ret /= 10.0; - } - } - return is_negative ? -ret : ret; -} -FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, FX_DWORD src_size, uint8_t*& dest_buf, - FX_DWORD& dest_size) -{ - return FALSE; -} -CFX_DIBAttribute::CFX_DIBAttribute() -{ - FXSYS_memset(this, 0, sizeof(CFX_DIBAttribute)); - m_nXDPI = -1; - m_nYDPI = -1; - m_fAspectRatio = -1.0f; - m_pExif = new CFX_DIBAttributeExif; -} -CFX_DIBAttribute::~CFX_DIBAttribute() -{ - if (m_pExif) { - delete m_pExif; - } -} -CFX_DIBAttributeExif::CFX_DIBAttributeExif() -{ - m_pExifData = NULL; - m_dwExifDataLen = 0; -} -CFX_DIBAttributeExif::~CFX_DIBAttributeExif() -{ - clear(); -} -void CFX_DIBAttributeExif::clear() -{ - if (m_pExifData) { - FX_Free(m_pExifData); - } - m_pExifData = NULL; - FX_DWORD key = 0; - uint8_t* buf = NULL; - FX_POSITION pos = NULL; - pos = m_TagHead.GetStartPosition(); - while (pos) { - m_TagHead.GetNextAssoc(pos, key, buf); - if (buf) { - FX_Free(buf); - } - } - m_TagHead.RemoveAll(); - pos = m_TagVal.GetStartPosition(); - while (pos) { - m_TagVal.GetNextAssoc(pos, key, buf); - if (buf) { - FX_Free(buf); - } - } - m_TagVal.RemoveAll(); -} -static FX_WORD _Read2BytesL(uint8_t* data) -{ - ASSERT(data); - return data[0] | (data[1] << 8); -} -static FX_WORD _Read2BytesB(uint8_t* data) -{ - ASSERT(data); - return data[1] | (data[0] << 8); -} -static FX_DWORD _Read4BytesL(uint8_t* data) -{ - return _Read2BytesL(data) | (_Read2BytesL(data + 2) << 16); -} -static FX_DWORD _Read4BytesB(uint8_t* data) -{ - return _Read2BytesB(data + 2) | (_Read2BytesB(data) << 16); -} -typedef FX_WORD (*_Read2Bytes) (uint8_t* data); -typedef FX_DWORD (*_Read4Bytes) (uint8_t* data); -typedef void (*_Write2Bytes) (uint8_t* data, FX_WORD val); -typedef void (*_Write4Bytes) (uint8_t* data, FX_DWORD val); -uint8_t* CFX_DIBAttributeExif::ParseExifIFH(uint8_t* data, FX_DWORD len, _Read2Bytes* pReadWord, _Read4Bytes* pReadDword) -{ + } +#undef EXPONENT_DETECT + break; + } + if (ptr != nptr && !e_number) { + if (endptr) { + *endptr = (char*)nptr; + } + break; + } + if (endptr) { + *endptr = (char*)ptr; + } + break; + } + while (fra_count--) { + fra_base *= 10; + } + ret += (double)fra_ret / (double)fra_base; + if (exp_sig == 1) { + while (exp_ret--) { + ret *= 10.0; + } + } else { + while (exp_ret--) { + ret /= 10.0; + } + } + return is_negative ? -ret : ret; +} +FX_BOOL CCodec_BasicModule::A85Encode(const uint8_t* src_buf, + FX_DWORD src_size, + uint8_t*& dest_buf, + FX_DWORD& dest_size) { + return FALSE; +} +CFX_DIBAttribute::CFX_DIBAttribute() { + FXSYS_memset(this, 0, sizeof(CFX_DIBAttribute)); + m_nXDPI = -1; + m_nYDPI = -1; + m_fAspectRatio = -1.0f; + m_pExif = new CFX_DIBAttributeExif; +} +CFX_DIBAttribute::~CFX_DIBAttribute() { + if (m_pExif) { + delete m_pExif; + } +} +CFX_DIBAttributeExif::CFX_DIBAttributeExif() { + m_pExifData = NULL; + m_dwExifDataLen = 0; +} +CFX_DIBAttributeExif::~CFX_DIBAttributeExif() { + clear(); +} +void CFX_DIBAttributeExif::clear() { + if (m_pExifData) { + FX_Free(m_pExifData); + } + m_pExifData = NULL; + FX_DWORD key = 0; + uint8_t* buf = NULL; + FX_POSITION pos = NULL; + pos = m_TagHead.GetStartPosition(); + while (pos) { + m_TagHead.GetNextAssoc(pos, key, buf); + if (buf) { + FX_Free(buf); + } + } + m_TagHead.RemoveAll(); + pos = m_TagVal.GetStartPosition(); + while (pos) { + m_TagVal.GetNextAssoc(pos, key, buf); + if (buf) { + FX_Free(buf); + } + } + m_TagVal.RemoveAll(); +} +static FX_WORD _Read2BytesL(uint8_t* data) { + ASSERT(data); + return data[0] | (data[1] << 8); +} +static FX_WORD _Read2BytesB(uint8_t* data) { + ASSERT(data); + return data[1] | (data[0] << 8); +} +static FX_DWORD _Read4BytesL(uint8_t* data) { + return _Read2BytesL(data) | (_Read2BytesL(data + 2) << 16); +} +static FX_DWORD _Read4BytesB(uint8_t* data) { + return _Read2BytesB(data + 2) | (_Read2BytesB(data) << 16); +} +typedef FX_WORD (*_Read2Bytes)(uint8_t* data); +typedef FX_DWORD (*_Read4Bytes)(uint8_t* data); +typedef void (*_Write2Bytes)(uint8_t* data, FX_WORD val); +typedef void (*_Write4Bytes)(uint8_t* data, FX_DWORD val); +uint8_t* CFX_DIBAttributeExif::ParseExifIFH(uint8_t* data, + FX_DWORD len, + _Read2Bytes* pReadWord, + _Read4Bytes* pReadDword) { + if (len > 8) { + FX_BOOL tag = FALSE; + if (FXSYS_memcmp(data, "\x49\x49\x2a\x00", 4) == 0) { + if (pReadWord) { + *pReadWord = _Read2BytesL; + } + if (pReadDword) { + *pReadDword = _Read4BytesL; + } + tag = TRUE; + } else if (FXSYS_memcmp(data, "\x4d\x4d\x00\x2a", 4) == 0) { + if (pReadWord) { + *pReadWord = _Read2BytesB; + } + if (pReadDword) { + *pReadDword = _Read4BytesB; + } + tag = TRUE; + } + if (tag) { + data += 4; + if (pReadDword) { + data += (*pReadDword)(data)-4; + } else { + data += 4; + } + } + } + return data; +} +FX_BOOL CFX_DIBAttributeExif::ParseExifIFD( + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, + uint8_t* data, + FX_DWORD len) { + if (pMap && data) { if (len > 8) { - FX_BOOL tag = FALSE; - if (FXSYS_memcmp(data, "\x49\x49\x2a\x00", 4) == 0) { - if (pReadWord) { - *pReadWord = _Read2BytesL; - } - if (pReadDword) { - *pReadDword = _Read4BytesL; - } - tag = TRUE; - } else if (FXSYS_memcmp(data, "\x4d\x4d\x00\x2a", 4) == 0) { - if (pReadWord) { - *pReadWord = _Read2BytesB; - } - if (pReadDword) { - *pReadDword = _Read4BytesB; - } - tag = TRUE; - } - if (tag) { - data += 4; - if (pReadDword) { - data += (*pReadDword)(data) - 4; - } else { - data += 4; - } + FX_WORD wTagNum = m_readWord(data); + data += 2; + FX_DWORD wTag; + uint8_t* buf; + while (wTagNum--) { + wTag = m_readWord(data); + data += 2; + if (!pMap->Lookup(wTag, buf)) { + buf = FX_Alloc(uint8_t, 10); + if (buf == NULL) { + return FALSE; + } + FXSYS_memcpy(buf, data, 10); + pMap->SetAt(wTag, buf); } - } - return data; -} -FX_BOOL CFX_DIBAttributeExif::ParseExifIFD(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pMap, uint8_t* data, FX_DWORD len) -{ - if (pMap && data) { - if (len > 8) { - FX_WORD wTagNum = m_readWord(data); - data += 2; - FX_DWORD wTag; - uint8_t* buf; - while (wTagNum--) { - wTag = m_readWord(data); - data += 2; - if (!pMap->Lookup(wTag, buf)) { - buf = FX_Alloc(uint8_t, 10); - if (buf == NULL) { - return FALSE; - } - FXSYS_memcpy(buf, data, 10); - pMap->SetAt(wTag, buf); - } - data += 10; + data += 10; + } + FX_DWORD dwIFDOffset; + dwIFDOffset = m_readDword(data); + while (dwIFDOffset && dwIFDOffset < len) { + data = m_pExifData + dwIFDOffset; + wTagNum = m_readWord(data); + data += 2; + while (wTagNum--) { + wTag = m_readWord(data); + data += 2; + if (!pMap->Lookup(wTag, buf)) { + buf = FX_Alloc(uint8_t, 10); + if (buf == NULL) { + return FALSE; } - FX_DWORD dwIFDOffset; - dwIFDOffset = m_readDword(data); - while (dwIFDOffset && dwIFDOffset < len) { - data = m_pExifData + dwIFDOffset; - wTagNum = m_readWord(data); - data += 2; - while (wTagNum--) { - wTag = m_readWord(data); - data += 2; - if (!pMap->Lookup(wTag, buf)) { - buf = FX_Alloc(uint8_t, 10); - if (buf == NULL) { - return FALSE; - } - FXSYS_memcpy(buf, data, 10); - pMap->SetAt(wTag, buf); - } - data += 10; - } - dwIFDOffset = m_readDword(data); - } - return TRUE; + FXSYS_memcpy(buf, data, 10); + pMap->SetAt(wTag, buf); + } + data += 10; } + dwIFDOffset = m_readDword(data); + } + return TRUE; } - return FALSE; + } + return FALSE; } enum FX_ExifDataType { - FX_UnsignedByte = 1, - FX_AscString, - FX_UnsignedShort, - FX_UnsignedLong, - FX_UnsignedRation, - FX_SignedByte, - FX_Undefined, - FX_SignedShort, - FX_SignedLong, - FX_SignedRation, - FX_SignedFloat, - FX_DoubleFloat + FX_UnsignedByte = 1, + FX_AscString, + FX_UnsignedShort, + FX_UnsignedLong, + FX_UnsignedRation, + FX_SignedByte, + FX_Undefined, + FX_SignedShort, + FX_SignedLong, + FX_SignedRation, + FX_SignedFloat, + FX_DoubleFloat }; -FX_BOOL CFX_DIBAttributeExif::ParseExif(CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, uint8_t* data, FX_DWORD len, CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal) -{ - if (pHead && data && pVal) { - if (len > 8) { - uint8_t* old_data = data; - data = ParseExifIFH(data, len, &m_readWord, &m_readDword); - if (data == old_data) { - return FALSE; - } - if (pHead->GetCount() == 0) { - if (!ParseExifIFD(pHead, data, len)) { - return FALSE; - } - } - FX_DWORD dwModuleNum; - FX_WORD type; - FX_DWORD dwSize; - FX_DWORD tag; - uint8_t* head; - FX_POSITION pos = pHead->GetStartPosition(); - while (pos) { - pHead->GetNextAssoc(pos, tag, head); - uint8_t* val = NULL; - uint8_t* buf = NULL; - uint8_t* temp = NULL; - int i; - if (head) { - type = m_readWord(head); - head += 2; - dwModuleNum = m_readDword(head); - head += 4; - switch (type) { - case FX_UnsignedByte: - case FX_AscString: - case FX_SignedByte: - case FX_Undefined: - dwSize = dwModuleNum; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - break; - case FX_UnsignedShort: - case FX_SignedShort: - dwSize = dwModuleNum << 1; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_WORD*)buf = m_readWord(buf); - buf += 2; - } - break; - case FX_UnsignedLong: - case FX_SignedLong: - case FX_SignedFloat: - dwSize = dwModuleNum << 2; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)buf = m_readDword(buf); - buf += 4; - } - break; - case FX_UnsignedRation: - case FX_SignedRation: { - dwSize = dwModuleNum << 3; - buf = FX_Alloc(uint8_t, dwSize); - if (buf == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(buf, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(buf, head, dwSize); - } - temp = buf; - val = FX_Alloc(uint8_t, dwSize / 2); - if (val == NULL) { - FX_Free(buf); - return FALSE; - } - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)temp = m_readDword(temp); - *(FX_DWORD*)(temp + 4) = m_readDword(temp + 4); - FX_DWORD* lNumerator = (FX_DWORD*)temp; - FX_DWORD* lNenominator = (FX_DWORD*)(temp + 4); - *(FX_FLOAT*)(val + i * 4) = (FX_FLOAT)(*lNumerator) / (FX_FLOAT)(*lNenominator); - temp += 8; - } - FX_Free(buf); - } - break; - case FX_DoubleFloat: - dwSize = dwModuleNum << 3; - val = FX_Alloc(uint8_t, dwSize); - if (val == NULL) { - return FALSE; - } - if (dwSize > 4) { - FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); - } else { - FXSYS_memcpy(val, head, dwSize); - } - buf = val; - for(i = 0; i < (int)dwModuleNum; i ++) { - *(FX_DWORD*)buf = m_readDword(buf); - *(FX_DWORD*)(buf + 4) = m_readDword(buf + 4); - buf += 8; - } - break; - default: - return FALSE; - } - } - pVal->SetAt(tag, val); - } - return TRUE; +FX_BOOL CFX_DIBAttributeExif::ParseExif( + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pHead, + uint8_t* data, + FX_DWORD len, + CFX_MapPtrTemplate<FX_DWORD, uint8_t*>* pVal) { + if (pHead && data && pVal) { + if (len > 8) { + uint8_t* old_data = data; + data = ParseExifIFH(data, len, &m_readWord, &m_readDword); + if (data == old_data) { + return FALSE; + } + if (pHead->GetCount() == 0) { + if (!ParseExifIFD(pHead, data, len)) { + return FALSE; } - } - return FALSE; -} -#define FXEXIF_INFOCONVERT(T) {T* src = (T*)ptr; T* dst = (T*)val; *dst = *src;} -FX_BOOL CFX_DIBAttributeExif::GetInfo( FX_WORD tag, void* val ) -{ - if (m_TagVal.GetCount() == 0) { - if (!ParseExif(&m_TagHead, m_pExifData, m_dwExifDataLen, &m_TagVal)) { - return FALSE; + } + FX_DWORD dwModuleNum; + FX_WORD type; + FX_DWORD dwSize; + FX_DWORD tag; + uint8_t* head; + FX_POSITION pos = pHead->GetStartPosition(); + while (pos) { + pHead->GetNextAssoc(pos, tag, head); + uint8_t* val = NULL; + uint8_t* buf = NULL; + uint8_t* temp = NULL; + int i; + if (head) { + type = m_readWord(head); + head += 2; + dwModuleNum = m_readDword(head); + head += 4; + switch (type) { + case FX_UnsignedByte: + case FX_AscString: + case FX_SignedByte: + case FX_Undefined: + dwSize = dwModuleNum; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + break; + case FX_UnsignedShort: + case FX_SignedShort: + dwSize = dwModuleNum << 1; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_WORD*)buf = m_readWord(buf); + buf += 2; + } + break; + case FX_UnsignedLong: + case FX_SignedLong: + case FX_SignedFloat: + dwSize = dwModuleNum << 2; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)buf = m_readDword(buf); + buf += 4; + } + break; + case FX_UnsignedRation: + case FX_SignedRation: { + dwSize = dwModuleNum << 3; + buf = FX_Alloc(uint8_t, dwSize); + if (buf == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(buf, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(buf, head, dwSize); + } + temp = buf; + val = FX_Alloc(uint8_t, dwSize / 2); + if (val == NULL) { + FX_Free(buf); + return FALSE; + } + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)temp = m_readDword(temp); + *(FX_DWORD*)(temp + 4) = m_readDword(temp + 4); + FX_DWORD* lNumerator = (FX_DWORD*)temp; + FX_DWORD* lNenominator = (FX_DWORD*)(temp + 4); + *(FX_FLOAT*)(val + i * 4) = + (FX_FLOAT)(*lNumerator) / (FX_FLOAT)(*lNenominator); + temp += 8; + } + FX_Free(buf); + } break; + case FX_DoubleFloat: + dwSize = dwModuleNum << 3; + val = FX_Alloc(uint8_t, dwSize); + if (val == NULL) { + return FALSE; + } + if (dwSize > 4) { + FXSYS_memcpy(val, old_data + m_readDword(head), dwSize); + } else { + FXSYS_memcpy(val, head, dwSize); + } + buf = val; + for (i = 0; i < (int)dwModuleNum; i++) { + *(FX_DWORD*)buf = m_readDword(buf); + *(FX_DWORD*)(buf + 4) = m_readDword(buf + 4); + buf += 8; + } + break; + default: + return FALSE; + } } - } - uint8_t* ptr = NULL; - if (m_TagVal.Lookup(tag, ptr)) { - switch (tag) { - case EXIFTAG_USHORT_RESUNIT: - FXEXIF_INFOCONVERT(FX_WORD); - { - FX_WORD* ptr = (FX_WORD*)val; - *ptr -= 1; - } - break; - case EXIFTAG_FLOAT_DPIX: - case EXIFTAG_FLOAT_DPIY: - FXEXIF_INFOCONVERT(FX_FLOAT); - break; - case EXIFTAG_USHORT_ORIENTATION: - FXEXIF_INFOCONVERT(FX_WORD); - break; - default: { - uint8_t** dst = (uint8_t**)val; - *dst = ptr; - } + pVal->SetAt(tag, val); + } + return TRUE; + } + } + return FALSE; +} +#define FXEXIF_INFOCONVERT(T) \ + { \ + T* src = (T*)ptr; \ + T* dst = (T*)val; \ + *dst = *src; \ + } +FX_BOOL CFX_DIBAttributeExif::GetInfo(FX_WORD tag, void* val) { + if (m_TagVal.GetCount() == 0) { + if (!ParseExif(&m_TagHead, m_pExifData, m_dwExifDataLen, &m_TagVal)) { + return FALSE; + } + } + uint8_t* ptr = NULL; + if (m_TagVal.Lookup(tag, ptr)) { + switch (tag) { + case EXIFTAG_USHORT_RESUNIT: + FXEXIF_INFOCONVERT(FX_WORD); + { + FX_WORD* ptr = (FX_WORD*)val; + *ptr -= 1; } - } - return TRUE; -} -class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder -{ -public: - CCodec_RLScanlineDecoder(); - virtual ~CCodec_RLScanlineDecoder(); - FX_BOOL Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc); - virtual void v_DownScale(int dest_width, int dest_height) {} - virtual FX_BOOL v_Rewind(); - virtual uint8_t* v_GetNextLine(); - virtual FX_DWORD GetSrcOffset() - { - return m_SrcOffset; - } -protected: - FX_BOOL CheckDestSize(); - void GetNextOperator(); - void UpdateOperator(uint8_t used_bytes); + break; + case EXIFTAG_FLOAT_DPIX: + case EXIFTAG_FLOAT_DPIY: + FXEXIF_INFOCONVERT(FX_FLOAT); + break; + case EXIFTAG_USHORT_ORIENTATION: + FXEXIF_INFOCONVERT(FX_WORD); + break; + default: { + uint8_t** dst = (uint8_t**)val; + *dst = ptr; + } + } + } + return TRUE; +} +class CCodec_RLScanlineDecoder : public CCodec_ScanlineDecoder { + public: + CCodec_RLScanlineDecoder(); + virtual ~CCodec_RLScanlineDecoder(); + FX_BOOL Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc); + virtual void v_DownScale(int dest_width, int dest_height) {} + virtual FX_BOOL v_Rewind(); + virtual uint8_t* v_GetNextLine(); + virtual FX_DWORD GetSrcOffset() { return m_SrcOffset; } + + protected: + FX_BOOL CheckDestSize(); + void GetNextOperator(); + void UpdateOperator(uint8_t used_bytes); - uint8_t* m_pScanline; - const uint8_t* m_pSrcBuf; - FX_DWORD m_SrcSize; - FX_DWORD m_dwLineBytes; - FX_DWORD m_SrcOffset; - FX_BOOL m_bEOD; - uint8_t m_Operator; + uint8_t* m_pScanline; + const uint8_t* m_pSrcBuf; + FX_DWORD m_SrcSize; + FX_DWORD m_dwLineBytes; + FX_DWORD m_SrcOffset; + FX_BOOL m_bEOD; + uint8_t m_Operator; }; CCodec_RLScanlineDecoder::CCodec_RLScanlineDecoder() - : m_pScanline(NULL) - , m_pSrcBuf(NULL) - , m_SrcSize(0) - , m_dwLineBytes(0) - , m_SrcOffset(0) - , m_bEOD(FALSE) - , m_Operator(0) -{ -} -CCodec_RLScanlineDecoder::~CCodec_RLScanlineDecoder() -{ - if (m_pScanline) { - FX_Free(m_pScanline); - } -} -FX_BOOL CCodec_RLScanlineDecoder::CheckDestSize() -{ - FX_DWORD i = 0; - FX_DWORD old_size = 0; - FX_DWORD dest_size = 0; - while (i < m_SrcSize) { - if (m_pSrcBuf[i] < 128) { - old_size = dest_size; - dest_size += m_pSrcBuf[i] + 1; - if (dest_size < old_size) { - return FALSE; - } - i += m_pSrcBuf[i] + 2; - } else if (m_pSrcBuf[i] > 128) { - old_size = dest_size; - dest_size += 257 - m_pSrcBuf[i]; - if (dest_size < old_size) { - return FALSE; - } - i += 2; - } else { - break; - } - } - if (((FX_DWORD)m_OrigWidth * m_nComps * m_bpc * m_OrigHeight + 7) / 8 > dest_size) { + : m_pScanline(NULL), + m_pSrcBuf(NULL), + m_SrcSize(0), + m_dwLineBytes(0), + m_SrcOffset(0), + m_bEOD(FALSE), + m_Operator(0) {} +CCodec_RLScanlineDecoder::~CCodec_RLScanlineDecoder() { + if (m_pScanline) { + FX_Free(m_pScanline); + } +} +FX_BOOL CCodec_RLScanlineDecoder::CheckDestSize() { + FX_DWORD i = 0; + FX_DWORD old_size = 0; + FX_DWORD dest_size = 0; + while (i < m_SrcSize) { + if (m_pSrcBuf[i] < 128) { + old_size = dest_size; + dest_size += m_pSrcBuf[i] + 1; + if (dest_size < old_size) { return FALSE; - } - return TRUE; -} -FX_BOOL CCodec_RLScanlineDecoder::Create(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc) -{ - m_pSrcBuf = src_buf; - m_SrcSize = src_size; - m_OutputWidth = m_OrigWidth = width; - m_OutputHeight = m_OrigHeight = height; - m_nComps = nComps; - m_bpc = bpc; - m_bColorTransformed = FALSE; - m_DownScale = 1; - m_Pitch = (width * nComps * bpc + 31) / 32 * 4; - m_dwLineBytes = (width * nComps * bpc + 7) / 8; - m_pScanline = FX_Alloc(uint8_t, m_Pitch); - return CheckDestSize(); -} -FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() -{ - FXSYS_memset(m_pScanline, 0, m_Pitch); - m_SrcOffset = 0; - m_bEOD = FALSE; - m_Operator = 0; - return TRUE; -} -uint8_t* CCodec_RLScanlineDecoder::v_GetNextLine() -{ - if (m_SrcOffset == 0) { - GetNextOperator(); + } + i += m_pSrcBuf[i] + 2; + } else if (m_pSrcBuf[i] > 128) { + old_size = dest_size; + dest_size += 257 - m_pSrcBuf[i]; + if (dest_size < old_size) { + return FALSE; + } + i += 2; } else { - if (m_bEOD) { - return NULL; - } - } - FXSYS_memset(m_pScanline, 0, m_Pitch); - FX_DWORD col_pos = 0; - FX_BOOL eol = FALSE; - while (m_SrcOffset < m_SrcSize && !eol) { - if (m_Operator < 128) { - FX_DWORD copy_len = m_Operator + 1; - if (col_pos + copy_len >= m_dwLineBytes) { - copy_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - if (copy_len >= m_SrcSize - m_SrcOffset) { - copy_len = m_SrcSize - m_SrcOffset; - m_bEOD = TRUE; - } - FXSYS_memcpy(m_pScanline + col_pos, m_pSrcBuf + m_SrcOffset, copy_len); - col_pos += copy_len; - UpdateOperator((uint8_t)copy_len); - } else if (m_Operator > 128) { - int fill = 0; - if (m_SrcOffset - 1 < m_SrcSize - 1) { - fill = m_pSrcBuf[m_SrcOffset]; - } - FX_DWORD duplicate_len = 257 - m_Operator; - if (col_pos + duplicate_len >= m_dwLineBytes) { - duplicate_len = m_dwLineBytes - col_pos; - eol = TRUE; - } - FXSYS_memset(m_pScanline + col_pos, fill, duplicate_len); - col_pos += duplicate_len; - UpdateOperator((uint8_t)duplicate_len); - } else { - m_bEOD = TRUE; - break; - } - } - return m_pScanline; -} -void CCodec_RLScanlineDecoder::GetNextOperator() -{ - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - return; - } - m_Operator = m_pSrcBuf[m_SrcOffset]; - m_SrcOffset ++; -} -void CCodec_RLScanlineDecoder::UpdateOperator(uint8_t used_bytes) -{ - if (used_bytes == 0) { - return; + break; } + } + if (((FX_DWORD)m_OrigWidth * m_nComps * m_bpc * m_OrigHeight + 7) / 8 > + dest_size) { + return FALSE; + } + return TRUE; +} +FX_BOOL CCodec_RLScanlineDecoder::Create(const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc) { + m_pSrcBuf = src_buf; + m_SrcSize = src_size; + m_OutputWidth = m_OrigWidth = width; + m_OutputHeight = m_OrigHeight = height; + m_nComps = nComps; + m_bpc = bpc; + m_bColorTransformed = FALSE; + m_DownScale = 1; + m_Pitch = (width * nComps * bpc + 31) / 32 * 4; + m_dwLineBytes = (width * nComps * bpc + 7) / 8; + m_pScanline = FX_Alloc(uint8_t, m_Pitch); + return CheckDestSize(); +} +FX_BOOL CCodec_RLScanlineDecoder::v_Rewind() { + FXSYS_memset(m_pScanline, 0, m_Pitch); + m_SrcOffset = 0; + m_bEOD = FALSE; + m_Operator = 0; + return TRUE; +} +uint8_t* CCodec_RLScanlineDecoder::v_GetNextLine() { + if (m_SrcOffset == 0) { + GetNextOperator(); + } else { + if (m_bEOD) { + return NULL; + } + } + FXSYS_memset(m_pScanline, 0, m_Pitch); + FX_DWORD col_pos = 0; + FX_BOOL eol = FALSE; + while (m_SrcOffset < m_SrcSize && !eol) { if (m_Operator < 128) { - FXSYS_assert((FX_DWORD)m_Operator + 1 >= used_bytes); - if (used_bytes == m_Operator + 1) { - m_SrcOffset += used_bytes; - GetNextOperator(); - return; - } - m_Operator -= used_bytes; - m_SrcOffset += used_bytes; - if (m_SrcOffset >= m_SrcSize) { - m_Operator = 128; - } - return; - } - uint8_t count = 257 - m_Operator; - FXSYS_assert((FX_DWORD)count >= used_bytes); - if (used_bytes == count) { - m_SrcOffset ++; - GetNextOperator(); - return; - } - count -= used_bytes; - m_Operator = 257 - count; -} -ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder(const uint8_t* src_buf, FX_DWORD src_size, int width, int height, - int nComps, int bpc) -{ - CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; - if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, bpc)) { - delete pRLScanlineDecoder; - return NULL; - } - return pRLScanlineDecoder; + FX_DWORD copy_len = m_Operator + 1; + if (col_pos + copy_len >= m_dwLineBytes) { + copy_len = m_dwLineBytes - col_pos; + eol = TRUE; + } + if (copy_len >= m_SrcSize - m_SrcOffset) { + copy_len = m_SrcSize - m_SrcOffset; + m_bEOD = TRUE; + } + FXSYS_memcpy(m_pScanline + col_pos, m_pSrcBuf + m_SrcOffset, copy_len); + col_pos += copy_len; + UpdateOperator((uint8_t)copy_len); + } else if (m_Operator > 128) { + int fill = 0; + if (m_SrcOffset - 1 < m_SrcSize - 1) { + fill = m_pSrcBuf[m_SrcOffset]; + } + FX_DWORD duplicate_len = 257 - m_Operator; + if (col_pos + duplicate_len >= m_dwLineBytes) { + duplicate_len = m_dwLineBytes - col_pos; + eol = TRUE; + } + FXSYS_memset(m_pScanline + col_pos, fill, duplicate_len); + col_pos += duplicate_len; + UpdateOperator((uint8_t)duplicate_len); + } else { + m_bEOD = TRUE; + break; + } + } + return m_pScanline; +} +void CCodec_RLScanlineDecoder::GetNextOperator() { + if (m_SrcOffset >= m_SrcSize) { + m_Operator = 128; + return; + } + m_Operator = m_pSrcBuf[m_SrcOffset]; + m_SrcOffset++; +} +void CCodec_RLScanlineDecoder::UpdateOperator(uint8_t used_bytes) { + if (used_bytes == 0) { + return; + } + if (m_Operator < 128) { + FXSYS_assert((FX_DWORD)m_Operator + 1 >= used_bytes); + if (used_bytes == m_Operator + 1) { + m_SrcOffset += used_bytes; + GetNextOperator(); + return; + } + m_Operator -= used_bytes; + m_SrcOffset += used_bytes; + if (m_SrcOffset >= m_SrcSize) { + m_Operator = 128; + } + return; + } + uint8_t count = 257 - m_Operator; + FXSYS_assert((FX_DWORD)count >= used_bytes); + if (used_bytes == count) { + m_SrcOffset++; + GetNextOperator(); + return; + } + count -= used_bytes; + m_Operator = 257 - count; +} +ICodec_ScanlineDecoder* CCodec_BasicModule::CreateRunLengthDecoder( + const uint8_t* src_buf, + FX_DWORD src_size, + int width, + int height, + int nComps, + int bpc) { + CCodec_RLScanlineDecoder* pRLScanlineDecoder = new CCodec_RLScanlineDecoder; + if (!pRLScanlineDecoder->Create(src_buf, src_size, width, height, nComps, + bpc)) { + delete pRLScanlineDecoder; + return NULL; + } + return pRLScanlineDecoder; } |