/usr/share/help/C/gthumb/edit-rotate.page is in gthumb-data 3:3.3.1.is.3.2.7-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | <page xmlns="http://projectmallard.org/1.0/" type="topic"
id="gthumb-edit-rotate">
<info>
<link type="guide" xref="index#editing" />
</info>
<title>Rotations and Flips</title>
<p><media type="image" mime="image/png" src="figures/palette.png" />
To access the editing tools, open an image and then click the
<gui>Edit File</gui> toolbar button (the palette icon).</p>
<p>Several tools are provided to manipulate the orientation of
images.</p>
<terms>
<item>
<title><gui>Mirror</gui></title>
<p>This flips the image horizontally. The left and right sides
are swapped.</p>
</item>
<item>
<title><gui>Flip</gui></title>
<p>This flips the image vertically. The top and bottom
are swapped.</p>
</item>
<item>
<title><gui>Rotate Right</gui></title>
<p>This rotates the image clockwise.</p>
</item>
<item>
<title><gui>Rotate Left</gui></title>
<p>This rotates the image counter-clockwise.</p>
</item>
</terms>
<p>The rotations offered in the edit mode act on the image in memory.
They are not direct file operations. For jpeg images, these means they
are not lossless operations - the image will degrade slightly when it
it is re-encoded and saved. However, <app>gThumb</app> does provide
lossless rotation tools. See <link xref="gthumb-batch-rotate"/>.</p>
</page>
|