ETC1TOOL(1) | ETC1TOOL(1) |
NAME¶
etc1tool - ETC1 conversion toolSYNOPSIS¶
etc1tool infile [–help | –encode | –encodeNoHeader | –decode] [–showDifference difffile] [-o outfile]DESCRIPTION¶
etc1tool is a command line utility that lets you encode PNG images to the ETC1 compression standard and decode ETC1 compressed images back to PNG.Default is –encode
OPTIONS¶
- infile
- The input file to compress.
- –help
- Print this usage information.
- –encode
- Create an ETC1 file from a PNG file.
- –encodeNoHeader
- Create a raw ETC1 data file (without a header) from a PNG file.
- –decode
- Create a PNG file from an ETC1 file.
- –showDifference difffile
- Write difference between original and encoded image to difffile. (Only valid when encoding).
- -o outfile
- Specify the name of the output file. If outfile is not specified, the output file is constructed from the input filename with the appropriate suffix (.pkm or .png).