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//========= Copyright Valve Corporation, All rights reserved. ============//
#include <tier0/platform.h>
#include "bitmap/float_bm.h"
#include "mathlib/mathlib.h"
#include <tier2/tier2.h>
void main(int argc,char **argv)
{
InitCommandLineProgram( argc, argv );
if ((argc<2) || (argc>3))
{
printf("format is %s imagefile.pfm [scalefactor]\n",argv[0]);
}
else
{
FloatBitMap_t cmap;
cmap.LoadFromPFM(argv[1]);
if (argc==3) // scale factor specified
{
float scale_factor=atof(argv[2]);
for(int y=0;y<cmap.Height;y++)
for(int x=0;x<cmap.Width;x++)
for(int c=0;c<3;c++)
cmap.Pixel(x,y,c) *= scale_factor;
}
FloatBitMap_t save_orig(&cmap);
cmap.CompressTo8Bits(8.0);
char fname[1024];
strcpy(fname,argv[1]);
char *dot=strstr(fname,".pfm");
if (! dot)
dot=fname+strlen(fname);
strcpy(dot,"_compressed.tga");
cmap.WriteTGAFile(fname);
#ifdef WRITE_OUT_COMPARISON_IMAGES
// now, write out comparison images
cmap.Uncompress(8.0);
cmap.RaiseToPower(1.0/2.2);
strcpy(dot,"_ref_comp.tga");
cmap.WriteTGAFile(fname);
save_orig.RaiseToPower(1.0/2.2);
strcpy(dot,"_ref_orig.tga");
save_orig.WriteTGAFile(fname);
#endif
}
}
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