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Help.xml
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML 5.0//EN" "../docbook-5.0/dtd/docbook.dtd">
<book xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Presentation</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">bLUe
is a photo editor. </para>
<para>bLUe uses a
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">developing
and editing environment</emphasis> to correct white balance,
exposure, contrast, brightness, hue, saturation, noise,
sharpness,....The environment is build as a stack of
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">adjustment
layers</emphasis>. To achieve multiple corrections, you can add as
many layers as you want and stack them in any order.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">bLUe
proposes a wide set of adjustment layers : exposure, contrast, color
temperature, filters, cloning, segmentation, 1D LUTs and 3D
LUTs.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">1D
LUT are represented by curves. Modifications are applied to each
color channel individually. As a consequence, the same correction is
applied to all pixels, regardless of their color, unless you use
selection tools to choose the region of the image that needs a
correction.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">In
contrast, a 3D LUT adjustment layer is represented by a set of color
nodes. Modifications are applied to each pixel according to its true
color. bLUe interactively constructs a 3D LUT adjusting the exact set
of colors you chose, while preserving their brightness. Other colors
remain unmodified : no need for complex selection tools such as lasso
or magic wands.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">3D
LUTS are widely used by professional film makers, but the lack of
interactive tools made them poorly useful for photo enhancement as
the shooting conditions may vary widely from an image to another.
With bLUe, in a few clicks, you select the colors to modify, the
corresponding 3D LUT is automatically built and applied to the image.
You can then fine tune it as you want.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Any
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">developing
environment</emphasis> can be saved in
<productname xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">bLUe</productname>
format. In addition, all adjustment layers, but filters, segmentation
and cloning, can be exported and imported in
<filename xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">.cube</filename>
format.</para>
<para>bLUe operates in two modes: a fast <emphasis>Preview</emphasis>
mode and a full resolution mode. Images are always edited and saved
with their full resolution.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><productname xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">bLUe</productname>
also provides a
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">slide
show</emphasis> mode.</para>
</chapter>
<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Editing
a photo</title>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Basic
usage</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Open
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Menu
File</command> and select an image file. bLUe can open all usual
color file formats : .jpg, .png, .tif, .bmp and raw formats: .nef,,
.cr2,, .dng. Indexed and grayscale images cannot be edited.</para>
<para>When an image is opened, the image metadata are saved in a
sidecar file, with the extension
<filename xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">.mie</filename>.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Depending
of the type of the opened file, a default adjustment layer is added
to the original (background ) image. This layer presents a set of
parameters. Image edition should always begin by tuning these
parameters. However, they can be tuned at any time.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">The
image can be cropped by dragging one or several cropping handles.
Use the button
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Crop</emphasis>
to show or hide the cropping handles and the button
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Rulers</emphasis>
to display a set of rulers.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">The
image histogram is shown on top of the right pane. Possible shadow
or highlight clipping is indicated by a colored rectangle at the top
of the corresponding histogram side..</para>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Adding
adjustment layers</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Choose
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Menu
Layer</command> ->
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">New
Adjustment Layer</command>, and select a layer. The newly added
layer is shown in the right pane window. and its name is editable.
To toggle the layer visibility, click on its "Eye"
icon.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Layer
type</command></para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<itemizedlist xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<listitem>
<para><emphasis>Contrast</emphasis></para>
</listitem>
<listitem>
<para><emphasis>ColorTemperature</emphasis> </para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Curves
RGB</emphasis> : Channel based curves in the RGB color
space,</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Curves
HSB and Curves HSpB</emphasis> : Hue, saturation, brightness
curves. The HSB color model uses the classic brightness
<token xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">B
= max(r, g, b)</token> . THe HSpB color model uses the
<emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">perceptive</emphasis>
brightness pB=sqrt(alpha*r*r+beta*g*g+gamma*b*b), where alpha,
beta and gamma are constant coefficients related to the
differences in perception of red, green and blue colors by the
human eye.</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Curves
Lab</emphasis> : Channel based curves in the Lab color
space.</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Filter</emphasis>:
Sharpen, unsharp mask and gaussian blur</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">3D
LUT HSB and 3D LUT HSpB</emphasis> : 3D LUT based adjustment
layers. Both adjust hue and saturation and keep brightness
(classic brightness for HSB layers and perceptive brightness for
HSpB (see Curves HSB and curves HSpB above),</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Cloning
Layer</emphasis>: Seamless replacement of a region of the image
by another, for example to erase an unwanted object.</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Segmentation
Layer</emphasis>: It automatically builds a mask to extract an
object from the background.</para>
</listitem>
</itemizedlist>
</para>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Each
layer is drawn on top of the underlying layers with its current
opacity and composition mode</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Layer
opacity</emphasis> The layer opacity slider adjusts the opacity of
the active layer.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Composition
Mode</emphasis> Select a composition mode for the active layer. All
standard composition modes are available, but luminosity and
Color.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Each
layer owns a mask, disabled by default. It can be displayed as a
color mask or an opacity mask.To enable a layer mask,
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Right
Click -> Enable Mask</command> on the layer row, and choose color
or opacity mode. When the mask is enabled a red letter m is shown in
the layer's row. Masks can be edited with the tool pens
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Mask</command>
and
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Unmask</command>.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Grouping
layers</emphasis> Multiple consecutive adjustment layers can be
grouped. A group of layers shares a unique mask, allowing
simultaneous mask edition. When layers are grouped, their mask is
enabled and a | character is shown near the letter m in the layer
pane.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Note.
If the active layer and all upper layers do not share the same
group, mask modifications will not be visible immediately. To view
these modifications while editing the mask, switch off the
visibility of all upper layers.</para>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" id="LUT3DForm">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Using
3D LUT HSB and HSpB adjustment layers</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Select
the layer in the "Layers" window, and make sure it is
visible. The adjustment form displays a classical
"hue-saturation" color wheel : the origin (neutral color)
corresponds to the wheel centre, and fully saturated colors are on
the periphery. All colors are displayed with the same brightness. It
can be modified with the brightness slider below the color
wheel.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">On
the left hand side image, click with the mouse a point whose color
you want to change. A color node, or a set of neighbor color nodes
is displayed on the form, as black circles. Each node represents a
set of colors with constant hue and saturation, corresponding to the
underlying color of the wheel. Node(s) can be dragged over the wheel
to a position corresponding to the target colors you want to
achieve. When the mouse is released, the selected colors are
updated. Pixel brightness is kept unchanged.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Selecting
nodes</emphasis> To select a set of nodes do one of the following
:</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<itemizedlist xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Left
click with the mouse pointer in an empty region of the color
wheel, and drag the blue rectangular rubberband over the set of
nodes to select</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Ctrl-click
on each node to select</para>
</listitem>
</itemizedlist>
</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Grouping
nodes</emphasis> To group a set of nodes, select them and next,
right click on any of the selected nodes to open the context menu
and choose
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Group</command>.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Options</emphasis></para>
<itemizedlist xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Add
node</command> : selected nodes are added to the current
selection</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Remove
node</command> : selected nodes are removed from the current
selection</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Select
neighbors</command> : the selected node and its neighbors are
added to, or removed from, the current selection.</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Reset
removed nodes</command> : nodes removed from the current selection
are reset to their initial position and color</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Show
histogram</command> : diusplay the 2D hue/saturation histogram of
the image.</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Use
image</command> : The transformation is applied to the whole
image</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Use
selection</command> : you can draw a rectangle on the image with
the marquee tool and apply the transformation to the region
limited by the rectangle.</para>
</listitem>
</itemizedlist>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Using
Color Temperature adjustment layer</title>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Saving
a document</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Images
can be saved in any usual color format, indexed formats excepted. By
default bLUe does not overwrite the original file : it creates a new
file, with suffix
<filename xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">copy**</filename>
and copies back the metadata from the sidecar to the new image file.
The sidecar is not deleted.</para>
</section>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Rating</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">A
rating between 0 and 5 stars can be assigned to each image and saved
in the sidecar as a XMP tag. Note that the rating is NOT written in
the original image file.
<productname xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">bLUe</productname>
uses the value of the rating when playing a slide show (see Slide
show below).</para>
</section>
</chapter>
<chapter xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Slide
show</title>
<section xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<title xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Playing
a slide show</title>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Open
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Menu
Window -> Slide show</command>, and select a folder. All
<filename xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">.jpg</filename>
and
<filename xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">.png</filename>
images from the selected folder and its subfolders are displayed in
full screen mode.The slide show can be paused at any time by
pressing the
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Escape</command>
key.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><emphasis xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Options</emphasis></para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Several
options are available via a context menu</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<itemizedlist xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Pause</command>:
pause the slide show (shortcut
<command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Escape</command>
key)</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Resume</command>:
resume the previously paused slide show</para>
</listitem>
<listitem xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"><command xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">Rating</command>:
Subsequent slide shows will not display images with 0 or 1
rating.</para>
<para xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink"/>
</listitem>
</itemizedlist>
</para>
</section>
</chapter>
</book>