diff options
Diffstat (limited to '3dc/win95/awPnmLd.cpp')
| -rw-r--r-- | 3dc/win95/awPnmLd.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/3dc/win95/awPnmLd.cpp b/3dc/win95/awPnmLd.cpp deleted file mode 100644 index 4e54f2e..0000000 --- a/3dc/win95/awPnmLd.cpp +++ /dev/null @@ -1,239 +0,0 @@ -#include "advwin32.h" -#ifndef DB_LEVEL -#define DB_LEVEL 4 -#endif -#include "db.h" - -#include "awTexLd.hpp" - -// PNM loaders - -class AwPnmLoader : public AwTl::TypicalTexFileLoader -{ - protected: - void _AWTL_VARARG ParseHeader(unsigned nFields,...); - - MediaMedium * m_pMedium; -}; - -void _AWTL_VARARG AwPnmLoader::ParseHeader(unsigned nFields,...) -{ - va_list ap; - va_start(ap,nFields); - - m_pMedium->MovePos(+2); // skip past magic - - BYTE c = 0; - while (nFields) - { - unsigned * fieldP = va_arg(ap,unsigned *); - bool comment = false; - bool done = false; - do - { - MediaRead(m_pMedium, &c); - switch (c) - { - case '\n': - comment = false; - break; - case '#': - comment = true; - break; - default: - if (!comment && !isspace(c)) - done = true; - } - } - while (!done); - char bufA[512]; - char * bufP = bufA; - do - { - *bufP++ = c; - MediaRead(m_pMedium, &c); - } - while (!isspace(c)); - *bufP = 0; - *fieldP = atoi(bufA); - - -- nFields; - } - // c should now be a newline character - if ('\n'!=c) - awTlLastErr = AW_TLE_BADFILEDATA; - - va_end(ap); -} - -class AwPpmLoader : public AwPnmLoader -{ - protected: - virtual void LoadHeaderInfo(MediaMedium * pMedium); - virtual AwTl::Colour * GetPalette(); - virtual void LoadNextRow(AwTl::PtrUnion pRow); - - unsigned pm_maxval; -}; - -void AwPpmLoader::LoadHeaderInfo(MediaMedium * pMedium) -{ - m_pMedium = pMedium; - - db_log4("\tLoading a PPM file"); - - ParseHeader(3,&m_nWidth,&m_nHeight,&pm_maxval); - - db_logf4(("\tPPM_maxval is %u",pm_maxval)); - if (pm_maxval > 255) - { - awTlLastErr = AW_TLE_BADFILEFORMAT; - db_log3("AwCreateTexture(): PPM_maxval too large"); - } - - m_nPaletteSize = 0; -} - -AwTl::Colour * AwPpmLoader::GetPalette() -{ - // never palettized - return NULL; -} - -void AwPpmLoader::LoadNextRow(AwTl::PtrUnion pRow) -{ - if (pm_maxval != 255) - for (unsigned colcount = m_nWidth; colcount; --colcount) - { - BYTE byte; - MediaRead(m_pMedium,&byte); - pRow.colourP->r = static_cast<BYTE>(static_cast<unsigned>(byte)*255/pm_maxval); - MediaRead(m_pMedium,&byte); - pRow.colourP->g = static_cast<BYTE>(static_cast<unsigned>(byte)*255/pm_maxval); - MediaRead(m_pMedium,&byte); - pRow.colourP->b = static_cast<BYTE>(static_cast<unsigned>(byte)*255/pm_maxval); - ++pRow.colourP; - } - else - for (unsigned colcount = m_nWidth; colcount; --colcount) - { - MediaRead(m_pMedium,&pRow.colourP->r); - MediaRead(m_pMedium,&pRow.colourP->g); - MediaRead(m_pMedium,&pRow.colourP->b); - ++pRow.colourP; - } -} - - -class AwPgmLoader : public AwPnmLoader -{ - protected: - virtual void LoadHeaderInfo(MediaMedium * pMedium); - virtual AwTl::Colour * GetPalette(); - virtual void LoadNextRow(AwTl::PtrUnion pRow); - - unsigned pm_maxval; -}; - -void AwPgmLoader::LoadHeaderInfo(MediaMedium * pMedium) -{ - m_pMedium = pMedium; - - db_log4("\tLoading a PGM file"); - - ParseHeader(3,&m_nWidth,&m_nHeight,&pm_maxval); - - db_logf4(("\tPGM_maxval is %u",pm_maxval)); - if (pm_maxval > 255) - { - awTlLastErr = AW_TLE_BADFILEFORMAT; - db_log3("AwCreateTexture(): PGM_maxval too large"); - } - - m_nPaletteSize = pm_maxval+1; -} - -AwTl::Colour * AwPgmLoader::GetPalette() -{ - db_assert1(m_nPaletteSize); - db_assert1(m_pPalette); - - unsigned step8 = (256*255)/pm_maxval; - unsigned val8 = 127; - AwTl::Colour * pmP = m_pPalette; - for (unsigned pc = m_nPaletteSize; pc; --pc,++pmP,val8+=step8) - pmP->r = pmP->g = pmP->b = static_cast<BYTE>(val8/256); - - return m_pPalette; -} - -void AwPgmLoader::LoadNextRow(AwTl::PtrUnion pRow) -{ - m_pMedium->ReadBlock(pRow,m_nWidth); -} - - -class AwPbmLoader : public AwPnmLoader -{ - protected: - virtual void LoadHeaderInfo(MediaMedium * pMedium); - virtual AwTl::Colour * GetPalette(); - virtual void LoadNextRow(AwTl::PtrUnion pRow); -}; - - -void AwPbmLoader::LoadHeaderInfo(MediaMedium * pMedium) -{ - m_pMedium = pMedium; - - db_log4("\tLoading a PBM file"); - - ParseHeader(2,&m_nWidth,&m_nHeight); - - m_nPaletteSize = 2; -} - -AwTl::Colour * AwPbmLoader::GetPalette() -{ - db_assert1(m_nPaletteSize); - db_assert1(m_pPalette); - - m_pPalette[0].r = 0; - m_pPalette[0].g = 0; - m_pPalette[0].b = 0; - m_pPalette[1].r = 255; - m_pPalette[1].g = 255; - m_pPalette[1].b = 255; - - return m_pPalette; -} - -void AwPbmLoader::LoadNextRow(AwTl::PtrUnion pRow) -{ - unsigned shift = 0; - BYTE byte = 0; - - for (unsigned colcount = m_nWidth; colcount; --colcount) - { - if (!shift) - { - shift = 8; - MediaRead(m_pMedium,&byte); - byte = (BYTE) ~byte; - } - --shift; - *pRow.byteP++ = static_cast<BYTE>(byte>>shift & 1); - } -} - -#ifdef _MSC_VER - // VC5.0 tries to compile out code that is in a library - // and it thinks isn't being used - #line 228 -#endif -AWTEXLD_IMPLEMENT_DYNCREATE("P6",AwPpmLoader) -AWTEXLD_IMPLEMENT_DYNCREATE("P5",AwPgmLoader) -AWTEXLD_IMPLEMENT_DYNCREATE("P4",AwPbmLoader) - - - |