//========= 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 } }