diff options
Diffstat (limited to '3dc/win95/iff_ILBM.cpp')
| -rw-r--r-- | 3dc/win95/iff_ILBM.cpp | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/3dc/win95/iff_ILBM.cpp b/3dc/win95/iff_ILBM.cpp deleted file mode 100644 index 128f7ad..0000000 --- a/3dc/win95/iff_ILBM.cpp +++ /dev/null @@ -1,327 +0,0 @@ -#include "advwin32.h" -#include "iff_ILBM.hpp" - -IFF_IMPLEMENT_DYNCREATE("ILBM","BMHD",IlbmBmhdChunk) -IFF_IMPLEMENT_DYNCREATE("ILBM","CMAP",IlbmCmapChunk) -IFF_IMPLEMENT_DYNCREATE("ILBM","BODY",IlbmBodyChunk) -IFF_IMPLEMENT_DYNCREATE("ILBM","GRAB",IlbmGrabChunk) - -namespace IFF -{ - void IlbmBmhdChunk::Serialize(Archive * pArchv) - { - pArchv->Transfer(width); - pArchv->Transfer(height); - pArchv->Transfer(xTopLeft); - pArchv->Transfer(yTopLeft); - pArchv->Transfer(nBitPlanes); - pArchv->Transfer(eMasking); - pArchv->Transfer(eCompression); - pArchv->Transfer(flags); - pArchv->Transfer(iTranspCol); - pArchv->Transfer(xAspectRatio); - pArchv->Transfer(yAspectRatio); - pArchv->Transfer(xMax); - pArchv->Transfer(yMax); - } - - void IlbmCmapChunk::Serialize(Archive * pArchv) - { - if (pArchv->m_bIsLoading) - { - nEntries = pArchv->GetSize()/3; - if (pTable) delete[] pTable; - pTable = new RGBTriple [nEntries]; - } - - for (unsigned i=0; i<nEntries; ++i) - pArchv->Transfer(pTable[i]); - } - - IlbmCmapChunk::~IlbmCmapChunk() - { - if (pTable) delete[] pTable; - } - - void IlbmBodyChunk::Serialize(Archive * pArchv) - { - if (pArchv->m_bIsLoading) - { - nSize = pArchv->GetSize(); - if (pData) delete[] pData; - pData = new UBYTE [nSize]; - } - - pArchv->TransferBlock(pData,nSize); - } - - bool IlbmBodyChunk::GetHeaderInfo() const - { - Chunk * pHdr = GetProperty("BMHD"); - if (!pHdr) - { - return false; - } - nWidth = static_cast<IlbmBmhdChunk *>(pHdr)->width; - eCompression = static_cast<IlbmBmhdChunk *>(pHdr)->eCompression; - nBitPlanes = static_cast<IlbmBmhdChunk *>(pHdr)->nBitPlanes; - return true; - } - - #ifndef IFF_READ_ONLY - bool IlbmBodyChunk::BeginEncode() - { - if (!GetHeaderInfo()) - { - return false; - } - - pEncodeDst = new DataBlock; - pEncodeSrc = new UBYTE [(nWidth+7)/8]; - - nSizeNonCprss = 0; - nSizeCprss = 0; - - return true; - } - -// The uninitialised part of byte is shifted out. -#ifdef _MSC_VER -#pragma warning(disable: 4701) -#endif - bool IlbmBodyChunk::EncodeNextRow(unsigned const * pRow) - { - if (!pEncodeDst) return false; - - for (unsigned b=0; b<nBitPlanes; ++b) - { - UBYTE * pBuf = pEncodeSrc; - - unsigned byte; - for (unsigned x=0; x<nWidth; ++x) - { - byte <<= 1; - byte |= pRow[x]>>b & 1; - - if (7==(x&7)) *pBuf++ = static_cast<UBYTE>(byte); - } - if (nWidth & 7) - { - byte <<= 8-(nWidth & 7); - *pBuf = static_cast<UBYTE>(byte); - } - - if (eCompression) - { - nSizeNonCprss += (nWidth+7)/8; - - UBYTE const * pBuf = pEncodeSrc; - unsigned i=(nWidth+7)/8; - - while (i) - { - if (1==i) - { - pEncodeDst->Append(0); - pEncodeDst->Append(*pBuf); - nSizeCprss += 2; - i=0; - } - else if (i>1) - { - if (pBuf[0]==pBuf[1]) - { - unsigned j=2; - while (j<i && j<0x80 && pBuf[j-1]==pBuf[j]) - ++j; - pEncodeDst->Append(static_cast<UBYTE>(0x101-j)); - pEncodeDst->Append(*pBuf); - pBuf += j; - i -= j; - nSizeCprss += 2; - } - else - { - unsigned j=2; - while (j<i && j<0x80 && (pBuf[j]!=pBuf[j-1] || pBuf[j-1]!=pBuf[j-2])) - ++j; - if (j<i && pBuf[j]==pBuf[j-1] && pBuf[j-1]==pBuf[j-2]) - j-=2; - pEncodeDst->Append(static_cast<UBYTE>(j-1)); - pEncodeDst->Append(pBuf,j); - pBuf += j; - i -= j; - nSizeCprss += j+1; - } - } - } - - } - else - { - pEncodeDst->Append(pEncodeSrc,(nWidth+7)/8); - } - } - - return true; - } -#ifdef _MSC_VER -#pragma warning(default: 4701) -#endif - - bool IlbmBodyChunk::EndEncode() - { - if (!pEncodeDst) return false; - - if (pData) delete[] pData; - nSize = pEncodeDst->GetDataSize(); - pData = new UBYTE[nSize]; - - memcpy(pData,pEncodeDst->GetDataPtr(),nSize); - - delete pEncodeDst; - delete[] pEncodeSrc; - - pEncodeDst = NULL; - pEncodeSrc = NULL; - - return true; - } - #endif - - bool IlbmBodyChunk::BeginDecode() const - { - if (pDecodeDst) delete[] pDecodeDst; - if (!pData || !GetHeaderInfo()) - { - pDecodeSrc = NULL; - pDecodeDst = NULL; - return false; - } - - pDecodeSrc = pData; - nRemaining = nSize; - - pDecodeDst = new unsigned [nWidth]; - - return pData != NULL; - } - -// The uninitialised part of pDecodeDst is shifted out. -#ifdef _MSC_VER -#pragma warning(disable: 4701) -#endif - unsigned const * IlbmBodyChunk::DecodeNextRow() const - { - if (!pDecodeSrc || !pDecodeDst) return NULL; - - for (unsigned x=0; x<nWidth; ++x) - pDecodeDst[x]=0; - - if (eCompression) - { - unsigned repcnt = 0; - unsigned rawcnt = 0; - - for (unsigned b=0; b<nBitPlanes; ++b) - { - unsigned byte; - for (unsigned x=0; x<nWidth; ++x) - { - if (!(x&7)) - { - if (!nRemaining) return NULL; - - REPEAT_SKIP: - byte = *pDecodeSrc; - - if (rawcnt) - { - --rawcnt; - ++pDecodeSrc; - --nRemaining; - } - else if (repcnt) - { - --repcnt; - if (!repcnt) - { - ++pDecodeSrc; - --nRemaining; - } - } - else // byte is control byte - { - ++pDecodeSrc; - --nRemaining; - - if (!nRemaining) return NULL; - - if (byte<0x80) - { - rawcnt = byte; - byte = *pDecodeSrc++; - --nRemaining; - } - else if (byte>0x80) - { - repcnt = 0x100 - byte; - byte = *pDecodeSrc; - } - else goto REPEAT_SKIP; - } - } - - pDecodeDst[x] |= (byte>>7 & 1)<<b; - - byte <<= 1; - } - - } - } - else - { - for (unsigned b=0; b<nBitPlanes; ++b) - { - unsigned byte; - for (unsigned x=0; x<nWidth; ++x) - { - if (!(x&7)) - { - if (!nRemaining) return NULL; - - byte = *pDecodeSrc++; - --nRemaining; - } - - pDecodeDst[x] |= (byte>>7 & 1)<<b; - - byte <<= 1; - } - - } - } - - - return pDecodeDst; - } -#ifdef _MSC_VER -#pragma warning(default: 4701) -#endif - - IlbmBodyChunk::~IlbmBodyChunk() - { - if (pData) delete[] pData; - if (pDecodeDst) delete[] pDecodeDst; - #ifndef IFF_READ_ONLY - if (pEncodeDst) delete pEncodeDst; - if (pEncodeSrc) delete[] pEncodeSrc; - #endif - } - - void IlbmGrabChunk::Serialize(Archive * pArchv) - { - pArchv->Transfer(xHotSpot); - pArchv->Transfer(yHotSpot); - } -} |