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% $Id$ %
\subsection{JPEG viewer}
Open a JPEG file in the \setting{File Browser} to view it%
\nopt{lcd_color}{ 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.}
}
\nopt{large_plugin_buffer}{%
\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%
,SANSA_E200_PAD,SANSA_C200_PAD,GIGABEAT_PAD,GIGABEAT_S_PAD,MROBE100_PAD}
{\ButtonUp\ / \ButtonDown}%
\opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonMenu\ / \ButtonPlay}%
\opt{IRIVER_H10_PAD}{\ButtonScrollUp\ / \ButtonScrollDown} %
/ \ButtonLeft\ / \ButtonRight
\opt{IRIVER_RC_H100_PAD}{&}
& Move around in zoomed in image\\
\opt{RECORDER_PAD}{\ButtonPlay}
\opt{ONDIO_PAD}{\ButtonMenu}
\opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD,SANSA_E200_PAD%
,SANSA_C200_PAD,MROBE100_PAD}{\ButtonSelect}
\opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonScrollFwd}
\opt{IRIVER_H10_PAD}{\ButtonPlay}
\opt{GIGABEAT_PAD,GIGABEAT_S_PAD}{\ButtonVolUp}
\opt{IRIVER_RC_H100_PAD}{&}
& 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,SANSA_E200_PAD,SANSA_C200_PAD}{Long \ButtonSelect}
\opt{IRIVER_H10_PAD}{Long \ButtonPlay}
\opt{GIGABEAT_PAD,GIGABEAT_S_PAD}{\ButtonVolDown}
\opt{MROBE100_PAD}{\ButtonPlay}
\opt{IRIVER_RC_H100_PAD}{&}
& 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}
\opt{SANSA_E200_PAD}{\ButtonScrollFwd}
\opt{SANSA_C200_PAD}{\ButtonVolUp}
\opt{GIGABEAT_PAD}{\ButtonA+\ButtonRight}
\opt{GIGABEAT_S_PAD}{\ButtonNext}
\opt{MROBE100_PAD}{\ButtonDisplay+\ButtonRight}
\opt{IRIVER_RC_H100_PAD}{&}
& Next jpeg in directory\\
\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}
\opt{SANSA_E200_PAD}{\ButtonScrollBack}
\opt{SANSA_C200_PAD}{\ButtonVolDown}
\opt{GIGABEAT_PAD}{\ButtonA+\ButtonLeft}
\opt{GIGABEAT_S_PAD}{\ButtonPrev}
\opt{MROBE100_PAD}{\ButtonDisplay+\ButtonLeft}
\opt{IRIVER_RC_H100_PAD}{&}
& Previous jpeg in directory\\
\opt{SANSA_E200_PAD,SANSA_C200_PAD}{%currently only defined for the sansa pads
\ButtonRec
& Toggle slide show mode\\
}
\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,SANSA_E200_PAD,SANSA_C200_PAD}{\ButtonPower}
\opt{GIGABEAT_PAD,GIGABEAT_S_PAD,MROBE100_PAD}{\ButtonMenu}
\opt{IRIVER_RC_H100_PAD}{&}
& 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.
\opt{large_plugin_buffer}{
\item[Show Playback Menu.] From the playback menu you can control the
playback of the currently loaded playlist and change the volume of your \dap.
}
\opt{lcd_color}{
\item[Display Options.] From this menu you can force the viewer to render the
image in greyscale using the \setting{Greyscale} option or set the method of
dithering used in the \setting{Dithering} submenu.
}
\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. Processing could also fail if the
image is too big to decode which will be explained by a respective message.
}
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