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% $Id$ %
\subsection{JPEG viewer}
Open a JPEG file in the \setting{File Browser} to view it
\opt{recorder,recorderv2fm,ondio,h1xx,ipod4g,ipod3g,ipodmini}{ using Rockbox's 
greyscale library}.
\opt{SWCODEC}{
\note{When an audio file is playing the size of the image is limited as 
the decoding process needs to share memory with audio tracks. To be able to
view a bigger file you may need to stop playback.}
}
\opt{MASCODEC}{
\note{This plugin will cause playback to stop.}
}
\begin{table}
\begin{btnmap}{}{}
    \opt{RECORDER_PAD,ONDIO_PAD,IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD}
        {\ButtonUp\ / \ButtonDown}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonMenu\ / \ButtonPlay}
    \opt{IRIVER_H10_PAD}{\ButtonScrollUp\ / \ButtonScrollDown}
        / \ButtonLeft\ / \ButtonRight
    & Move around in zoomed in image\\
    \opt{RECORDER_PAD}{\ButtonPlay}
    \opt{ONDIO_PAD}{\ButtonMenu}
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD}{\ButtonSelect}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonScrollFwd}
    \opt{IRIVER_H10_PAD}{\ButtonPlay}
    & Zoom in\\
    \opt{RECORDER_PAD}{\ButtonOn}
    \opt{ONDIO_PAD}{\ButtonMenu+\ButtonDown}
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonMode}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonScrollBack}
    \opt{IAUDIO_X5_PAD}{Long \ButtonSelect}
    \opt{IRIVER_H10_PAD}{Long \ButtonPlay}
    & Zoom out\\
    \opt{RECORDER_PAD}{\ButtonFThree}
    \opt{ONDIO_PAD}{\ButtonMenu+\ButtonRight}
    \opt{IRIVER_H100_PAD}{\ButtonOn}
    \opt{IRIVER_H300_PAD}{\ButtonRec}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonSelect+\ButtonRight}
    \opt{IAUDIO_X5_PAD}{\ButtonPlay}
    \opt{IRIVER_H10_PAD}{\ButtonFF}
    & Next jpeg in folder\\
    \opt{RECORDER_PAD}{\ButtonFTwo}
    \opt{ONDIO_PAD}{\ButtonMenu+\ButtonLeft}
    \opt{IRIVER_H100_PAD,IAUDIO_X5_PAD}{\ButtonRec}
    \opt{IRIVER_H300_PAD}{\ButtonOn}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonSelect+\ButtonLeft}
    \opt{IRIVER_H10_PAD}{\ButtonRew}
    & Previous jpeg in folder\\
    \opt{RECORDER_PAD,ONDIO_PAD,IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonOff}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonSelect+\ButtonMenu}
    \opt{IAUDIO_X5_PAD,IRIVER_H10_PAD}{\ButtonPower}
    & Show menu\\
\end{btnmap}
\end{table}

The menu has the following entries.
\begin{description}
\item[Quit.] Quits the viewer and returns to the \setting{File Browser}.
\item[Toggle Slideshow Mode.] Enables or disables the slideshow mode.
\item[Change Slideshow Timeout.] You can set the timeout for the slideshow
  between 1 second and 20 seconds.
\nopt{MASCODEC}{
\item[Show Playback Menu.] From the playback menu you can control the
playback of the currently loaded playlist and change the volume of you \dap.
}
\item[Return.] Returns you to the image
\end{description}

\note{
Progressive scan and other unusual JPEG files are not supported, and will
result in various ``unsupported xx'' messages.%
\opt{MASCODEC}{
Processing could also fail if the image is too big or demanding to decode which
will be explained by a respective message, too.}
}