From 2186d5f3f95cd74a070a490d899291648d58667a Mon Sep 17 00:00:00 2001
From: Steven Fuller <relnev@icculus.org>
Date: Sun, 1 Jul 2001 00:55:22 +0000
Subject: Initial revision

---
 3dc/win95/awTexLd.hpp | 507 --------------------------------------------------
 1 file changed, 507 deletions(-)
 delete mode 100644 3dc/win95/awTexLd.hpp

(limited to '3dc/win95/awTexLd.hpp')

diff --git a/3dc/win95/awTexLd.hpp b/3dc/win95/awTexLd.hpp
deleted file mode 100644
index e47d87e..0000000
--- a/3dc/win95/awTexLd.hpp
+++ /dev/null
@@ -1,507 +0,0 @@
-#ifndef _INCLUDED_AWTEXLD_HPP_
-#define _INCLUDED_AWTEXLD_HPP_
-
-#include "awTexLd.h"
-#include "media.hpp"
-#include "db.h"
-#ifndef DB_COMMA
-	#define DB_COMMA ,
-#endif
-
-// Nasty hack to touch the classes so MSVC++ doesn't discards them.
-#ifdef _MSC_VER
-	extern class AwTlRegisterLoaderClass_AwBmpLoader_187 rlcAwBmpLoader_187;
-	
-	extern class AwTlRegisterLoaderClass_AwIffLoader_428 rlcAwIffLoader_428;
-	extern class AwTlRegisterLoaderClass_AwIffLoader_429 rlcAwIffLoader_429;
-	extern class AwTlRegisterLoaderClass_AwIffLoader_430 rlcAwIffLoader_430;
-
-	extern class AwTlRegisterLoaderClass_AwPpmLoader_229 rlcAwPpmLoader_229;
-	extern class AwTlRegisterLoaderClass_AwPgmLoader_230 rlcAwPgmLoader_230;
-	extern class AwTlRegisterLoaderClass_AwPbmLoader_231 rlcAwPbmLoader_231;
-
-	extern class RegisterChunkClassIlbmBmhdChunk_4 rccIlbmBmhdChunk_4;
-	extern class RegisterChunkClassIlbmCmapChunk_5 rccIlbmCmapChunk_5;
-	extern class RegisterChunkClassIlbmBodyChunk_6 rccIlbmBodyChunk_6;
-	extern class RegisterChunkClassIlbmGrabChunk_7 rccIlbmGrabChunk_7;
-
-#endif
-
-namespace AwTl {
-
-	#define CANT_HAPPEN db_msgf1(("AwCreateTexture(): (Line %u) CAN'T HAPPEN!",__LINE__));
-	
-	/*********************************/
-	/* Pixel format global structure */
-	/*********************************/
-	
-	struct PixelFormat
-	{
-		PixelFormat() : validB(false){}
-		
-		bool palettizedB : 1;
-		bool alphaB : 1;
-		bool validB : 1;
-		
-		unsigned bitsPerPixel;
-		unsigned redLeftShift;
-		unsigned redRightShift;
-		unsigned greenLeftShift;
-		unsigned greenRightShift;
-		unsigned blueLeftShift;
-		unsigned blueRightShift;
-		
-		DDPIXELFORMAT ddpf;
-	};
-
-	// DO SOMTHING ABOUT THIS
-	extern PixelFormat pixelFormat;
-
-	class CreateTextureParms;
-	
-	/********************/
-	/* Colour structure */
-	/********************/
-
-	struct Colour
-	{
-		BYTE r,g,b;
-		
-		class ConvNonTransp
-		{
-			public:
-				static inline unsigned DoConv (Colour const * _colP, Colour const * = NULL db_code1(DB_COMMA unsigned = 0))
-				{
-					return
-						 static_cast<unsigned>(_colP->r)>>pixelFormat.redRightShift<<pixelFormat.redLeftShift
-						|static_cast<unsigned>(_colP->g)>>pixelFormat.greenRightShift<<pixelFormat.greenLeftShift
-						|static_cast<unsigned>(_colP->b)>>pixelFormat.blueRightShift<<pixelFormat.blueLeftShift
-						|pixelFormat.ddpf.dwRGBAlphaBitMask
-					;
-				}
-				static inline unsigned DoConv(BYTE const * _colP, Colour const * _paletteP db_code1(DB_COMMA unsigned _paletteSize))
-				{
-					db_assert1(_paletteP);
-					db_onlyassert1(*_colP < _paletteSize);
-					return DoConv(&_paletteP[*_colP]);
-				}
-		};
-
-		class ConvTransp
-		{
-			private:
-				static inline unsigned MakeNonTranspCol(Colour const * _colP)
-				{
-					unsigned rv = ConvNonTransp::DoConv(_colP);
-					if (rv) return rv;
-					// make one of r,g or b in the output == 1, choose the one which is closest to the input
-					unsigned rdiff = (1<<pixelFormat.redRightShift) - _colP->r;
-					unsigned bdiff = (1<<pixelFormat.blueRightShift) - _colP->b;
-					unsigned gdiff = (1<<pixelFormat.greenRightShift) - _colP->g;
-					if (bdiff<=rdiff && bdiff<=gdiff)
-						return 1<<pixelFormat.blueLeftShift;
-					else if (rdiff<=gdiff)
-						return 1<<pixelFormat.redLeftShift;
-					else
-						return 1<<pixelFormat.greenLeftShift;
-				}
-			public:
-				static inline unsigned DoConv (Colour const * _colP, Colour const * = NULL db_code1(DB_COMMA unsigned = 0))
-				{
-					if (!_colP->b && !_colP->r && !_colP->g)
-						//return pixelFormat.alphaB ? pixelFormat.ddsd.ddpfPixelFormat.dwRBitMask|pixelFormat.ddsd.ddpfPixelFormat.dwGBitMask|pixelFormat.ddsd.ddpfPixelFormat.dwBBitMask : 0;
-						return 0;
-					else
-						return MakeNonTranspCol(_colP);
-				}
-				static inline unsigned DoConv(BYTE const * _colP, Colour const * _paletteP db_code1(DB_COMMA unsigned _paletteSize))
-				{
-					db_assert1(_paletteP);
-					db_onlyassert1(*_colP < _paletteSize);
-					if (!*_colP)
-						//return pixelFormat.alphaB ? pixelFormat.ddsd.ddpfPixelFormat.dwRBitMask|pixelFormat.ddsd.ddpfPixelFormat.dwGBitMask|pixelFormat.ddsd.ddpfPixelFormat.dwBBitMask : 0;
-						return 0;
-					else
-						return MakeNonTranspCol(&_paletteP[*_colP]);
-				}
-		};
-		
-		class ConvNull
-		{
-			public:
-				static inline unsigned DoConv (BYTE const * _colP, Colour const * db_code1(DB_COMMA unsigned = 0))
-				{
-					db_assert1(pixelFormat.palettizedB);
-					return *_colP;
-				}
-		};
-	};
-
-	/*****************/
-	/* Pointer union */
-	/*****************/
-	
-	union SurfUnion
-	{
-		D3DTexture * textureP;
-		DDSurface * surfaceP;
-		void * voidP;
-		SurfUnion(){}
-		SurfUnion(D3DTexture * p) : textureP(p){}
-		SurfUnion(DDSurface * p) : surfaceP(p){}
-	};
-
-	union PtrUnion
-	{
-		void * voidP;
-		char * charP;
-		signed char * scharP;
-		unsigned char * ucharP;
-		BYTE * byteP;
-		short * shortP;
-		unsigned short * ushortP;
-		WORD * wordP;
-		signed * intP;
-		unsigned * uintP;
-		DWORD * dwordP;
-		long * longP;
-		unsigned long * ulongP;
-		Colour * colourP;
-		
-		inline PtrUnion(){}
-		inline PtrUnion(void * _voidP):voidP(_voidP){}
-		inline operator void * () const { return voidP; }
-	};
-
-	union PtrUnionConst
-	{
-		void const * voidP;
-		char const * charP;
-		signed char const * scharP;
-		unsigned char const * ucharP;
-		BYTE const * byteP;
-		short const * shortP;
-		unsigned short const * ushortP;
-		WORD const * wordP;
-		signed const * intP;
-		unsigned const * uintP;
-		DWORD const * dwordP;
-		long const * longP;
-		unsigned long const * ulongP;
-		Colour const * colourP;
-		
-		inline PtrUnionConst(){}
-		inline PtrUnionConst(void const * _voidP):voidP(_voidP){}
-		inline PtrUnionConst(PtrUnion _uP):voidP(_uP.voidP){}
-		inline operator void const * () const { return voidP; }
-	};
-	
-	/***************************************/
-	/* Generic copying to surface function */
-	/***************************************/
-	
-	template<class CONVERT, class SRCTYPE>
-	class GenericConvertRow
-	{
-		public:
-			static void Do (PtrUnion _dstRowP, unsigned _dstWidth, SRCTYPE const * _srcRowP, unsigned _srcWidth, Colour const * _paletteP = NULL db_code1(DB_COMMA unsigned _paletteSize = 0));
-	};
-
-#ifdef _MSC_VER
-#pragma warning(push)
-#pragma warning(disable: 4701)
-#endif
-
-	template<class CONVERT, class SRCTYPE>
-	void GenericConvertRow<CONVERT, SRCTYPE>::Do (PtrUnion _dstRowP, unsigned _dstWidth, SRCTYPE const * _srcRowP, unsigned _srcWidth, Colour const * _paletteP db_code1(DB_COMMA unsigned _paletteSize))
-	{
-		switch (pixelFormat.bitsPerPixel)
-		{
-			default:
-				CANT_HAPPEN
-			case 16:
-			{
-				db_assert1(!pixelFormat.palettizedB);
-				for (unsigned colcount = _srcWidth; colcount; --colcount)
-				{
-					*_dstRowP.wordP++ = static_cast<WORD>(CONVERT::DoConv(_srcRowP++,_paletteP db_code1(DB_COMMA _paletteSize)));
-				}
-				if (_srcWidth<_dstWidth)
-					*_dstRowP.wordP = static_cast<WORD>(CONVERT::DoConv(_srcRowP-1,_paletteP db_code1(DB_COMMA _paletteSize)));
-				break;
-			}
-			case 24:
-			{
-				db_assert1(!pixelFormat.palettizedB);
-				union { DWORD dw; BYTE b[3]; } u;
-				for (unsigned colcount = _srcWidth; colcount; --colcount)
-				{
-					u.dw = static_cast<DWORD>(CONVERT::DoConv(_srcRowP++,_paletteP db_code1(DB_COMMA _paletteSize)));
-					*_dstRowP.byteP++ = u.b[0];
-					*_dstRowP.byteP++ = u.b[1];
-					*_dstRowP.byteP++ = u.b[2];
-				}
-				if (_srcWidth<_dstWidth)
-				{
-					*_dstRowP.byteP++ = u.b[0];
-					*_dstRowP.byteP++ = u.b[1];
-					*_dstRowP.byteP = u.b[2];
-				}
-			}
-			case 32:
-			{
-				db_assert1(!pixelFormat.palettizedB);
-				for (unsigned colcount = _srcWidth; colcount; --colcount)
-				{
-					*_dstRowP.dwordP++ = static_cast<DWORD>(CONVERT::DoConv(_srcRowP++,_paletteP db_code1(DB_COMMA _paletteSize)));
-				}
-				if (_srcWidth<_dstWidth)
-					*_dstRowP.dwordP = static_cast<DWORD>(CONVERT::DoConv(_srcRowP-1,_paletteP db_code1(DB_COMMA _paletteSize)));
-				break;
-			}
-			case 8:
-			{
-				for (unsigned colcount = _srcWidth; colcount; --colcount)
-				{
-					*_dstRowP.byteP++ = static_cast<BYTE>(CONVERT::DoConv(_srcRowP++,_paletteP db_code1(DB_COMMA _paletteSize)));
-				}
-				if (_srcWidth<_dstWidth)
-					*_dstRowP.byteP = static_cast<BYTE>(CONVERT::DoConv(_srcRowP-1,_paletteP db_code1(DB_COMMA _paletteSize)));
-				break;
-			}
-			case 1:
-			case 2:
-				db_assert1(pixelFormat.palettizedB);
-			case 4:
-			{
-				unsigned shift=0;
-				unsigned val;
-				--_dstRowP.byteP; // decrement here because we increment before the first write
-				for (unsigned colcount = _srcWidth; colcount; --colcount)
-				{
-					val = CONVERT::DoConv(_srcRowP++,_paletteP db_code1(DB_COMMA _paletteSize));
-					if (!shift)
-						*++_dstRowP.byteP = static_cast<BYTE>(val);
-					else
-						*_dstRowP.byteP |= static_cast<BYTE>(val<<shift);
-					shift += pixelFormat.bitsPerPixel;
-					shift &= 7;
-				}
-				if (_srcWidth<_dstWidth)
-				{
-					if (!shift)
-						*++_dstRowP.byteP = static_cast<BYTE>(val);
-					else
-						*_dstRowP.byteP |= static_cast<BYTE>(val<<shift);
-				}
-				break;
-			}
-		}
-	}
-	
-#ifdef _MSC_VER
-#pragma warning(pop)
-#endif
-
-	// reference counting support
-	class RefCntObj
-	{
-		public:
-			unsigned AddRef() { return ++m_nRefCnt; }
-			unsigned Release() { if (0==(--m_nRefCnt)) { delete this; return 0;} else return m_nRefCnt; }
-		protected:
-			virtual ~RefCntObj(){
-				#ifndef NDEBUG
-					DbForget(this);
-				#endif
-			}
-			RefCntObj() : m_nRefCnt(1){
-				#ifndef NDEBUG
-					DbRemember(this);
-				#endif
-			}
-			RefCntObj(RefCntObj const &) : m_nRefCnt(1){
-				#ifndef NDEBUG
-					DbRemember(this);
-				#endif
-			}
-			RefCntObj & operator = (RefCntObj const &){ return *this;}
-		private:		
-			unsigned m_nRefCnt;
-			
-		#ifndef NDEBUG
-			friend void DbRemember(RefCntObj * pObj);
-			friend void DbForget(RefCntObj * pObj);
-			friend class AllocList;
-		#endif
-	};
-	
-	SurfUnion LoadFromParams(CreateTextureParms *);
-
-} // namespace AwTl
-
-struct AwBackupTexture : public AwTl::RefCntObj
-{
-	public:
-		AwTl::SurfUnion Restore(AwTl::CreateTextureParms const & rParams);
-	protected:
-		AwTl::SurfUnion CreateTexture(AwTl::CreateTextureParms const & rParams);
-	
-		void ChoosePixelFormat(AwTl::CreateTextureParms const & rParams);
-		
-		virtual ~AwBackupTexture(){}
-		
-		// return the number of unique colours in the image or zero if this cannot be determined
-		virtual unsigned GetNumColours() = 0;
-		
-		// return the smallest palette size that is available for the image
-		virtual unsigned GetMinPaletteSize() = 0;
-		
-		// return true if the image has a single transparent colour
-		virtual bool HasTransparentMask(bool bDefault);
-		
-		// called when a backup texture is about to be used for restoring, but after the above two functions have been called
-		virtual void OnBeginRestoring(unsigned nMaxPaletteSize);
-		
-		virtual AwTl::Colour * GetPalette() = 0;
-		
-		virtual bool AreRowsReversed();
-		
-		virtual AwTl::PtrUnion GetRowPtr(unsigned nRow) = 0;
-		
-		virtual void LoadNextRow(AwTl::PtrUnion pRow) = 0;
-		
-		virtual void ConvertRow(AwTl::PtrUnion pDest, unsigned nDestWidth, AwTl::PtrUnionConst pSrc, unsigned nSrcOffset, unsigned nSrcWidth, AwTl::Colour * pPalette db_code1(DB_COMMA unsigned nPaletteSize));
-		
-		virtual DWORD GetTransparentColour();
-		
-		virtual void OnFinishRestoring(bool bSuccess);
-		
-		// metrics
-		unsigned m_nWidth;
-		unsigned m_nHeight;
-		unsigned m_nPaletteSize; // 0 inicates no palette
-
-		unsigned m_fFlags;
-		
-	private:
-		bool m_bTranspMask;
-		
-	friend AwTl::SurfUnion AwTl::LoadFromParams(AwTl::CreateTextureParms *);
-};
-
-namespace AwTl {
-
-	class TypicalBackupTexture : public ::AwBackupTexture
-	{
-		public:
-			TypicalBackupTexture(AwBackupTexture const & rBase, PtrUnion * ppPixMap, Colour * pPalette)
-				: AwBackupTexture(rBase)
-				, m_ppPixMap(ppPixMap)
-				, m_pPalette(pPalette)
-			{}
-			
-			virtual ~TypicalBackupTexture()
-			{
-				if (m_pPalette)
-				{
-					delete[] m_pPalette;
-					if (m_ppPixMap)
-					{
-						delete[] m_ppPixMap->byteP;
-						delete[] m_ppPixMap;
-					}
-				}
-				else
-				{
-					if (m_ppPixMap)
-					{
-						delete[] m_ppPixMap->colourP;
-						delete[] m_ppPixMap;
-					}
-				}
-			}
-			
-			virtual Colour * GetPalette();
-			
-			virtual PtrUnion GetRowPtr(unsigned nRow);
-			
-			virtual void LoadNextRow(PtrUnion pRow);
-			
-			// note: the palette size member must be set in
-			// LoadHeaderInfo() for these functions to work correctly
-			virtual unsigned GetNumColours();
-			
-			virtual unsigned GetMinPaletteSize();
-			
-		private:
-			PtrUnion * m_ppPixMap;
-			Colour * m_pPalette;
-	};
-
-	class TexFileLoader : public AwBackupTexture
-	{
-		public:
-			SurfUnion Load(MediaMedium * pMedium, CreateTextureParms const & rParams);
-
-		protected:
-			// standard constructor
-			// & destructor
-			
-			// Interface Functions. Each overridden version should set awTlLastErr
-			// when an error occurs
-		
-			// Called to set the width and height members; the palette size member can also be safely set at this point.
-			// Neither the width height or palette size members need actually be set until AllocateBuffers returns
-			virtual void LoadHeaderInfo(MediaMedium * pMedium) = 0;
-			
-			// should ensure that the palette size is set
-			virtual void AllocateBuffers(bool bWantBackup, unsigned nMaxPaletteSize) = 0;
-			
-			virtual void OnFinishLoading(bool bSuccess);
-			
-			virtual AwBackupTexture * CreateBackupTexture() = 0;
-	};
-
-	class TypicalTexFileLoader : public TexFileLoader
-	{
-		protected:
-			TypicalTexFileLoader() : m_pRowBuf(NULL), m_ppPixMap(NULL), m_pPalette(NULL) {}
-		
-			virtual ~TypicalTexFileLoader();
-		
-			virtual unsigned GetNumColours();
-			
-			virtual unsigned GetMinPaletteSize();
-		
-			virtual void AllocateBuffers(bool bWantBackup, unsigned nMaxPaletteSize);
-			
-			virtual PtrUnion GetRowPtr(unsigned nRow);
-			
-			virtual AwBackupTexture * CreateBackupTexture();
-		
-			Colour * m_pPalette;
-		private:
-			PtrUnion * m_ppPixMap;
-			
-			PtrUnion m_pRowBuf;
-	};
-	
-	extern void RegisterLoader(char const * pszMagic, AwTl::TexFileLoader * (* pfnCreate) () );
-	
-} // namespace AwTl
-
-#define AWTEXLD_IMPLEMENT_DYNCREATE(pszMagic, tokenClassName) _AWTEXLD_IMPLEMENT_DYNCREATE_LINE_EX(pszMagic,tokenClassName,__LINE__)
-#define _AWTEXLD_IMPLEMENT_DYNCREATE_LINE_EX(pszMagic, tokenClassName, nLine) _AWTEXLD_IMPLEMENT_DYNCREATE_LINE(pszMagic,tokenClassName,nLine)
-
-#define _AWTEXLD_IMPLEMENT_DYNCREATE_LINE(pszMagic,tokenClassName,nLine) \
-	AwTl::TexFileLoader * AwTlCreateClassObject ##_## tokenClassName ##_## nLine () { \
-		return new tokenClassName; \
-	} \
-	class AwTlRegisterLoaderClass ##_## tokenClassName ##_## nLine { \
-		public: AwTlRegisterLoaderClass ##_## tokenClassName ##_## nLine () { \
-			AwTl::RegisterLoader(pszMagic, AwTlCreateClassObject ##_## tokenClassName ##_## nLine); \
-		} \
-	} rlc ## tokenClassName ##_## nLine;
-
-#endif // ! _INCLUDED_AWTEXLD_HPP_
-- 
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