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Changed: New tga2dds option -g to force grayscale image instead of alpha
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1 changed files with 10 additions and 0 deletions
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@ -300,6 +300,7 @@ int main(int argc, char **argv)
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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("g", "grayscale", "", "Don't load grayscape images as alpha but as grayscale");
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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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@ -309,6 +310,7 @@ int main(int argc, char **argv)
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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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bool OptGrayscale = false;
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uint Reduce = 0;
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if (args.haveArg("o"))
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@ -317,6 +319,9 @@ int main(int argc, char **argv)
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if (args.haveArg("m"))
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OptMipMap = true;
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if (args.haveArg("g"))
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OptGrayscale = true;
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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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@ -365,12 +370,17 @@ int main(int argc, char **argv)
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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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// allow to load an image as grayscale instead of alpha
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if (OptGrayscale) picTga.loadGrayscaleAsAlpha(false);
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uint8 imageDepth = picTga.load(input);
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if(imageDepth==0)
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{
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