68 lines
1.6 KiB
Plaintext
68 lines
1.6 KiB
Plaintext
page.title=etc1tool
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parent.title=Tools
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parent.link=index.html
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@jd:body
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<p><code>etc1tool</code> is a command line utility that lets you encode PNG
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images to the ETC1 compression standard and decode ETC1 compressed images back to PNG.</p>
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<p>The usage for <code>etc1tool</code> is:</p>
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<pre>etc1tool infile [--help | --encode | --encodeNoHeader | --decode] [--showDifference
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diff-file] [-o outfile]</pre>
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<table>
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<tr>
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<th>Option</th>
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<th>Description</th>
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</tr>
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<tr>
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<td><code>infile</code></td>
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<td>The input file to compress</td>
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</tr>
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<tr>
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<td><code>--help</code></td>
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<td>Print usage information</td>
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</tr>
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<tr>
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<td><code>--encode</code></td>
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<td>Create an ETC1 file from a PNG file.
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This is the default mode for the tool if nothing is specified.</td>
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</tr>
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<tr>
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<td><code>--encodeNoHeader</code></td>
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<td>Create a raw ETC1 data file (without a header) from a PNG file.</td>
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</tr>
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<tr>
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<td><code>--decode</code></td>
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<td>Create a PNG file from an ETC1 file</td>
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</tr>
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<tr>
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<td><code>--showDifference <em>diff-file</em></code></td>
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<td>Write the difference between the original and encoded image to
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<code><em>diff-file</em></code> (only valid when encoding).</td>
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</tr>
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<tr>
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<td><code>-o <em>outfile</em></code></td>
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<td>Specify the name of the output file.
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If <code><em>outfile</em></code> is not specified, the output file is constructed
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from the input filename with the appropriate suffix (<code>.pkm</code> or <code>.png</code>).
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</td>
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</tr>
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</table> |