DXT1Compression   449 Magick++/lib/Magick++/Include.h   using MagickCore::DXT1Compression;
DXT1Compression  1726 coders/dds.c             compression = DXT1Compression;
DXT1Compression   870 magick/option.c     { "DXT1", DXT1Compression, UndefinedOptionFlag, MagickFalse },