diff --git a/docs/html/guide/developing/tools/etc1tool.jd b/docs/html/guide/developing/tools/etc1tool.jd new file mode 100644 index 0000000000000..a7f76f5cadb61 --- /dev/null +++ b/docs/html/guide/developing/tools/etc1tool.jd @@ -0,0 +1,68 @@ +page.title=etc1tool +parent.title=Tools +parent.link=index.html +@jd:body + + +
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.
The usage for etc1tool is:
etc1tool infile [--help | --encode | --encodeNoHeader | --decode] [--showDifference +diff-file] [-o outfile]+ +
| Option | + +Description | +
|---|---|
infile |
+
+ The input file to compress | +
--help |
+
+ Print usage information | +
--encode |
+
+ Create an ETC1 file from a PNG file. + This is the default mode for the tool if nothing is specified. | +
--encodeNoHeader |
+
+ Create a raw ETC1 data file (without a header) from a PNG file. | +
--decode |
+
+ Create a PNG file from an ETC1 file | +
--showDifference diff-file |
+
+ Write the difference between the original and encoded image to
+ diff-file (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).
+ |
+