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https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
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692 lines
16 KiB
C++
692 lines
16 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include <iostream>
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#include "nel/misc/file.h"
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#include "nel/misc/common.h"
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#include "nel/misc/bitmap.h"
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#include "nel/misc/path.h"
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#include "nel/misc/debug.h"
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#include "nel/misc/cmd_args.h"
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#include <math.h>
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#include "../s3tc_compressor_lib/s3tc_compressor.h"
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using namespace NLMISC;
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using namespace std;
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#define TGA8 8
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#define TGA16 16
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#define PNG8 108
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#define PNG16 116
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#define NOT_DEFINED 0xff
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bool sameType(const std::string &sFileNameDest, uint8 algo);
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bool dataCheck(const std::string &sFileNameSrc, const std::string &FileNameDest, uint8 algo);
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std::string getOutputFileName(const std::string &inputFileName);
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uint8 getType(const std::string &sFileNameDest)
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{
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uint32 dds;
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FILE *f = nlfopen(sFileNameDest, "rb");
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if(f==NULL)
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{
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return NOT_DEFINED;
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}
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CS3TCCompressor::DDS_HEADER h;
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if (fread(&dds,1,4,f) != 4)
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{
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fclose(f);
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return NOT_DEFINED;
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}
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#ifdef NL_BIG_ENDIAN
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NLMISC_BSWAP32(dds);
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#endif
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if (fread(&h,sizeof(CS3TCCompressor::DDS_HEADER),1,f) != 1)
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{
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fclose(f);
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return NOT_DEFINED;
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}
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if(fclose(f))
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{
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cerr<<sFileNameDest<< "is not closed"<<endl;
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}
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '1')
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&& h.ddpf.dwRGBBitCount==0)
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{
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return DXT1;
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}
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '1')
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&& h.ddpf.dwRGBBitCount>0)
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{
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return DXT1A;
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}
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '3'))
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{
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return DXT3;
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}
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '5'))
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{
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return DXT5;
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}
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return NOT_DEFINED;
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}
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bool sameType(const std::string &sFileNameDest, uint8 &algo, bool wantMipMap)
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{
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uint32 dds;
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FILE *f = nlfopen(sFileNameDest, "rb");
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if(f==NULL)
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{
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return false;
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}
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CS3TCCompressor::DDS_HEADER h;
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if (fread(&dds,1,4,f) != 4)
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{
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fclose(f);
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return false;
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}
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if (fread(&h,sizeof(::DDS_HEADER),1,f) != 1)
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{
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fclose(f);
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return false;
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}
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if(fclose(f))
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{
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cerr<<sFileNameDest<< "is not closed"<<endl;
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}
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bool algoOk= false;
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switch(algo)
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{
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case DXT1:
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '1')
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&& h.ddpf.dwRGBBitCount==0)
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algoOk=true;
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break;
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case DXT1A:
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '1')
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&& h.ddpf.dwRGBBitCount>0)
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algoOk=true;
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break;
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case DXT3:
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '3'))
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algoOk=true;
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break;
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case DXT5:
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if(h.ddpf.dwFourCC==MAKEFOURCC('D','X', 'T', '5'))
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algoOk=true;
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break;
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}
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if(!algoOk)
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return false;
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// Test Mipmap.
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bool fileHasMipMap= (h.dwFlags&DDSD_MIPMAPCOUNT) && (h.dwMipMapCount>1);
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if(fileHasMipMap==wantMipMap)
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return true;
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return false;
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}
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bool dataCheck(const std::string &sFileNameSrc, const std::string &sFileNameDest, uint8& algo, bool wantMipMap)
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{
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if (!CFile::fileExists(sFileNameSrc))
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{
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cerr << "Can't open file " << sFileNameSrc << endl;
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return false;
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}
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if (!CFile::fileExists(sFileNameDest))
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{
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return false; // destination file doesn't exist yet
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}
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uint32 lastWriteTime1 = CFile::getFileModificationDate(sFileNameSrc);
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uint32 lastWriteTime2 = CFile::getFileModificationDate(sFileNameDest);
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if(lastWriteTime1 > lastWriteTime2)
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{
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return false;
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}
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if (lastWriteTime1 < lastWriteTime2)
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{
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if(!sameType(sFileNameDest, algo, wantMipMap))
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{
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return false; // file exists but a new compression type is required
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}
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}
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return true;
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}
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std::string getOutputFileName(const std::string &inputFileName)
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{
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std::string::size_type pos = inputFileName.rfind(".");
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if(pos == std::string::npos)
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{
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// name whithout extension
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return inputFileName + ".dds";
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}
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else
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{
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return inputFileName.substr(0,pos) + ".dds";
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}
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}
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// ***************************************************************************
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void dividSize (CBitmap &bitmap)
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{
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// Must be RGBA
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nlassert (bitmap.getPixelFormat () == CBitmap::RGBA);
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// Copy the bitmap
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CBitmap temp = bitmap;
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// Resize the destination
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const uint width = temp.getWidth ();
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const uint height = temp.getHeight ();
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const uint newWidth = temp.getWidth ()/2;
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const uint newHeight = temp.getHeight ()/2;
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bitmap.resize (newWidth, newHeight, CBitmap::RGBA);
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// Pointers
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uint8 *pixelSrc = &(temp.getPixels ()[0]);
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uint8 *pixelDest = &(bitmap.getPixels ()[0]);
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// Resample
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uint x, y;
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for (y=0; y<newHeight; y++)
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for (x=0; x<newWidth; x++)
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{
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const uint offsetSrc = ((y*2)*width+x*2)*4;
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const uint offsetDest = (y*newWidth+x)*4;
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uint i;
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for (i=0; i<4; i++)
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{
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pixelDest[offsetDest+i] = ((uint)pixelSrc[offsetSrc+i] + (uint)pixelSrc[offsetSrc+4+i] +
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(uint)pixelSrc[offsetSrc+4*width+i] + (uint)pixelSrc[offsetSrc+4*width+4+i])>>2;
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}
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}
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}
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const int bayerDiv8R[4][4] = {
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{ 7, 3, 6, 2 },
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{ 1, 5, 0, 4 },
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{ 6, 2, 7, 3 },
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{ 0, 4, 1, 5 }
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};
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const int bayerDiv8G[4][4] = {
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{ 0, 4, 1, 5 },
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{ 6, 2, 7, 3 },
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{ 1, 5, 0, 4 },
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{ 7, 3, 6, 2 }
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};
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const int bayerDiv8B[4][4] = {
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{ 5, 1, 4, 0 },
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{ 3, 7, 2, 6 },
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{ 4, 0, 5, 1 },
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{ 2, 6, 3, 7 }
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};
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// ***************************************************************************
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int main(int argc, char **argv)
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{
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CApplicationContext applicationContext;
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// Parse Command Line.
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//====================
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NLMISC::CCmdArgs args;
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args.setDescription(
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"Convert TGA or PNG image file to DDS compressed file using DXTC compression (DXTC1, DXTC1 with alpha, DXTC3, or DXTC5).\n"
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" The program looks for possible user color files and load them automatically, a user color file must have the same name that the original tga file, plus the extension \"_usercolor\"\n"
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"Eg.: pic.tga, the associated user color file must be: pic_usercolor.tga\n"
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);
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args.addArg("o", "output", "output.dds", "Output DDS filename or directory");
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args.addArg("a", "algo", "algo", "Conversion algorithm to use\n"
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" 1 for DXTC1 (no alpha)\n"
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" 1A for DXTC1 with alpha\n"
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" 3 for DXTC3\n"
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" 5 for DXTC5\n"
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" tga16 for 16 bits TGA\n"
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" tga8 for 8 bits TGA\n"
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" png16 for 16 bits PNG\n"
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" png8 for 8 bits PNG\n"
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"\n"
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" default : DXTC1 if 24 bits, DXTC5 if 32 bits."
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);
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args.addArg("m", "mipmap", "", "Create MipMap");
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args.addArg("r", "reduce", "FACTOR", "Reduce the bitmap size before compressing\n FACTOR is 0, 1, 2, 3, 4, 5, 6, 7 or 8");
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args.addAdditionalArg("input", "PNG or TGA files to convert", false);
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if (!args.parse(argc, argv)) return 1;
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string OptOutputFileName;
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uint8 OptAlgo = NOT_DEFINED;
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bool OptMipMap = false;
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uint Reduce = 0;
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if (args.haveArg("o"))
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OptOutputFileName = args.getArg("o").front();
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if (args.haveArg("a"))
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{
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std::string strAlgo = args.getArg("a").front();
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if (strAlgo == "1") OptAlgo = DXT1;
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else if (toLower(strAlgo) == "1a") OptAlgo = DXT1A;
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else if (strAlgo == "3") OptAlgo = DXT3;
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else if (strAlgo == "5") OptAlgo = DXT5;
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else if (strAlgo == "tga8") OptAlgo = TGA8;
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else if (strAlgo == "tga16") OptAlgo = TGA16;
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else if (strAlgo == "png8") OptAlgo = PNG8;
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else if (strAlgo == "png16") OptAlgo = PNG16;
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else
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{
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cerr << "Unknown algorithm: " << strAlgo << endl;
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return 1;
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}
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}
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if (args.haveArg("r"))
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{
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std::string strReduce = args.getArg("r").front();
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// Reduce size of the bitmap
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if (fromString(strReduce, Reduce))
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{
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if (Reduce > 8) Reduce = 8;
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}
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}
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std::vector<std::string> inputFileNames = args.getAdditionalArg("input");
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for(uint i = 0; i < inputFileNames.size(); ++i)
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{
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uint8 algo;
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// Reading TGA or PNG and converting to RGBA
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//====================================
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CBitmap picTga;
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CBitmap picTga2;
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CBitmap picSrc;
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std::string inputFileName = inputFileNames[i];
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if(inputFileName.find("_usercolor")<inputFileName.length())
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{
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return 0;
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}
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NLMISC::CIFile input;
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if(!input.open(inputFileName))
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{
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cerr<<"Can't open input file " << inputFileName << endl;
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return 1;
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}
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uint8 imageDepth = picTga.load(input);
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if(imageDepth==0)
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{
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cerr<<"Can't load file: "<<inputFileName<<endl;
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return 1;
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}
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if(imageDepth!=16 && imageDepth!=24 && imageDepth!=32 && imageDepth!=8)
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{
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cerr<<"Image not supported: "<<imageDepth<<endl;
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return 1;
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}
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input.close();
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uint32 height = picTga.getHeight();
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uint32 width= picTga.getWidth();
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picTga.convertToType (CBitmap::RGBA);
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// Output file name and algo.
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//===========================
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std::string outputFileName;
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if (!OptOutputFileName.empty())
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{
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// if OptOutputFileName is a directory, append the original filename
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if (CFile::isDirectory(OptOutputFileName))
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{
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outputFileName = CPath::standardizePath(OptOutputFileName) + CFile::getFilename(getOutputFileName(inputFileName));
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}
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else
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{
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outputFileName = OptOutputFileName;
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if (inputFileNames.size() > 1)
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{
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cerr<<"WARNING! Several files to convert to the same output filename! Use an output directory instead."<<endl;
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return 1;
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}
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}
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}
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else
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{
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outputFileName = getOutputFileName(inputFileName);
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}
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// Check dest algo
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if (OptAlgo==NOT_DEFINED)
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OptAlgo = getType (outputFileName);
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// Choose Algo.
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if(OptAlgo!=NOT_DEFINED)
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{
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algo= OptAlgo;
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}
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else
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{
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// TODO: if alpha channel is 0, use DXTC1a instead DXTC1
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if(imageDepth==24)
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algo = DXT1;
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else
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algo = DXT5;
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}
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// Data check
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//===========
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if(dataCheck(inputFileName,outputFileName, OptAlgo, OptMipMap))
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{
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cout<<outputFileName<<" : a recent dds file already exists"<<endl;
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return 0;
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}
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// Vectors for RGBA data
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CObjectVector<uint8> RGBASrc = picTga.getPixels();
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CObjectVector<uint8> RGBASrc2;
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CObjectVector<uint8> RGBADest;
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RGBADest.resize(height*width*4);
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uint dstRGBADestId= 0;
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// UserColor
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//===========
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/*
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// Checking if option "usercolor" has been used
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std::string userColorFileName;
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if(argc>4)
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{
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if(strcmp("-usercolor",argv[4])==0)
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{
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if(argc!=6)
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{
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writeInstructions();
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return;
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}
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userColorFileName = argv[5];
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}
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else
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{
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writeInstructions();
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return;
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}
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}
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*/
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// Checking if associate usercolor file exists
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std::string userColorFileName;
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std::string::size_type pos = inputFileName.rfind(".");
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if (pos == std::string::npos)
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{
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// name without extension
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userColorFileName = inputFileName + "_usercolor";
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}
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else
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{
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// append input filename extension
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userColorFileName = inputFileName.substr(0,pos) + "_usercolor" + inputFileName.substr(pos);
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}
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// Reading second Tga for user color, don't complain if _usercolor is missing
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NLMISC::CIFile input2;
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if (CPath::exists(userColorFileName) && input2.open(userColorFileName))
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{
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picTga2.load(input2);
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uint32 height2 = picTga2.getHeight();
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uint32 width2 = picTga2.getWidth();
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nlassert(width2==width);
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nlassert(height2==height);
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picTga2.convertToType (CBitmap::RGBA);
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RGBASrc2 = picTga2.getPixels();
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NLMISC::CRGBA *pRGBASrc = (NLMISC::CRGBA*)&RGBASrc[0];
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NLMISC::CRGBA *pRGBASrc2 = (NLMISC::CRGBA*)&RGBASrc2[0];
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for(uint32 i = 0; i<width*height; i++)
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{
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// If no UserColor, must take same RGB, and keep same Alpha from src1 !!! So texture can have both alpha
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// userColor and other alpha usage.
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if(pRGBASrc2[i].A==255)
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{
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RGBADest[dstRGBADestId++]= pRGBASrc[i].R;
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RGBADest[dstRGBADestId++]= pRGBASrc[i].G;
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RGBADest[dstRGBADestId++]= pRGBASrc[i].B;
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RGBADest[dstRGBADestId++]= pRGBASrc[i].A;
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}
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else
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{
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// Old code.
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/*uint8 F = (uint8) ((float)pRGBASrc[i].R*0.3 + (float)pRGBASrc[i].G*0.56 + (float)pRGBASrc[i].B*0.14);
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uint8 Frgb;
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if((F*pRGBASrc2[i].A/255)==255)
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Frgb = 0;
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else
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Frgb = (255-pRGBASrc2[i].A)/(255-F*pRGBASrc2[i].A/255);
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RGBADest[dstRGBADestId++]= Frgb*pRGBASrc[i].R/255;
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RGBADest[dstRGBADestId++]= Frgb*pRGBASrc[i].G/255;
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RGBADest[dstRGBADestId++]= Frgb*pRGBASrc[i].B/255;
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RGBADest[dstRGBADestId++]= F*pRGBASrc[i].A/255;*/
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// New code: use new restrictions from IDriver.
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float Rt, Gt, Bt, At;
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float Lt;
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float Rtm, Gtm, Btm, Atm;
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// read 0-1 RGB pixel.
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Rt= (float)pRGBASrc[i].R/255;
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Gt= (float)pRGBASrc[i].G/255;
|
|
Bt= (float)pRGBASrc[i].B/255;
|
|
Lt= Rt*0.3f + Gt*0.56f + Bt*0.14f;
|
|
|
|
// take Alpha from userColor src.
|
|
At= (float)pRGBASrc2[i].A/255;
|
|
Atm= 1-Lt*(1-At);
|
|
|
|
// If normal case.
|
|
if(Atm>0)
|
|
{
|
|
Rtm= Rt*At / Atm;
|
|
Gtm= Gt*At / Atm;
|
|
Btm= Bt*At / Atm;
|
|
}
|
|
// Else special case: At==0, and Lt==1.
|
|
else
|
|
{
|
|
Rtm= Gtm= Btm= 0;
|
|
}
|
|
|
|
// copy to buffer.
|
|
sint r,g,b,a;
|
|
r= (sint)floor(Rtm*255+0.5f);
|
|
g= (sint)floor(Gtm*255+0.5f);
|
|
b= (sint)floor(Btm*255+0.5f);
|
|
a= (sint)floor(Atm*255+0.5f);
|
|
clamp(r, 0,255);
|
|
clamp(g, 0,255);
|
|
clamp(b, 0,255);
|
|
clamp(a, 0,255);
|
|
RGBADest[dstRGBADestId++]= r;
|
|
RGBADest[dstRGBADestId++]= g;
|
|
RGBADest[dstRGBADestId++]= b;
|
|
RGBADest[dstRGBADestId++]= a;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
RGBADest = RGBASrc;
|
|
|
|
// Copy to the dest bitmap.
|
|
picSrc.resize(width, height, CBitmap::RGBA);
|
|
picSrc.getPixels(0)= RGBADest;
|
|
|
|
// Resize the destination bitmap ?
|
|
while (Reduce != 0)
|
|
{
|
|
dividSize (picSrc);
|
|
Reduce--;
|
|
}
|
|
|
|
if (algo == TGA16)
|
|
{
|
|
// Apply bayer dither
|
|
CObjectVector<uint8> &rgba = picSrc.getPixels(0);
|
|
const uint32 w = picSrc.getWidth(0);
|
|
uint32 x = 0;
|
|
uint32 y = 0;
|
|
for (uint32 i = 0; i < rgba.size(); i += 4)
|
|
{
|
|
NLMISC::CRGBA &c = reinterpret_cast<NLMISC::CRGBA &>(rgba[i]);
|
|
c.R = (uint8)std::min(255, (int)c.R + bayerDiv8R[x % 4][y % 4]);
|
|
c.G = (uint8)std::min(255, (int)c.G + bayerDiv8G[x % 4][y % 4]);
|
|
c.B = (uint8)std::min(255, (int)c.B + bayerDiv8B[x % 4][y % 4]);
|
|
++x;
|
|
x %= w;
|
|
if (x == 0)
|
|
++y;
|
|
}
|
|
}
|
|
|
|
// 8 or 16 bits TGA or PNG ?
|
|
if ((algo == TGA16) || (algo == TGA8) || (algo == PNG16) || (algo == PNG8))
|
|
{
|
|
// Saving TGA or PNG file
|
|
//=================
|
|
NLMISC::COFile output;
|
|
if(!output.open(outputFileName))
|
|
{
|
|
cerr<<"Can't open output file "<<outputFileName<<endl;
|
|
return 1;
|
|
}
|
|
try
|
|
{
|
|
if (algo == TGA16)
|
|
{
|
|
picSrc.writeTGA (output, 16);
|
|
}
|
|
else if (algo == TGA8)
|
|
{
|
|
picSrc.convertToType(CBitmap::Luminance);
|
|
picSrc.writeTGA (output, 8);
|
|
}
|
|
else if (algo == PNG16)
|
|
{
|
|
picSrc.writePNG (output, 16);
|
|
}
|
|
else if (algo == PNG8)
|
|
{
|
|
picSrc.convertToType(CBitmap::Luminance);
|
|
picSrc.writePNG (output, 8);
|
|
}
|
|
}
|
|
catch(const NLMISC::EWriteError &e)
|
|
{
|
|
cerr<<e.what()<<endl;
|
|
return 1;
|
|
}
|
|
|
|
output.close();
|
|
}
|
|
else
|
|
{
|
|
// Compress
|
|
//===========
|
|
|
|
// log.
|
|
std::string algostr;
|
|
switch(algo)
|
|
{
|
|
case DXT1:
|
|
algostr = "DXTC1";
|
|
break;
|
|
case DXT1A:
|
|
algostr = "DXTC1A";
|
|
break;
|
|
case DXT3:
|
|
algostr = "DXTC3";
|
|
break;
|
|
case DXT5:
|
|
algostr = "DXTC5";
|
|
break;
|
|
}
|
|
cout<<"compressing ("<<algostr<<") "<<inputFileName<<" to "<<outputFileName<<endl;
|
|
|
|
|
|
// Saving compressed DDS file
|
|
// =================
|
|
NLMISC::COFile output;
|
|
if(!output.open(outputFileName))
|
|
{
|
|
cerr<<"Can't open output file "<<outputFileName<<endl;
|
|
return 1;
|
|
}
|
|
try
|
|
{
|
|
CS3TCCompressor comp;
|
|
comp.compress(picSrc, OptMipMap, algo, output);
|
|
}
|
|
catch(const NLMISC::EWriteError &e)
|
|
{
|
|
cerr<<e.what()<<endl;
|
|
return 1;
|
|
}
|
|
|
|
output.close();
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|