Manual (HTML): fix image aspect ratio and size

Change-Id: If7c680badcb1a493e2a2059d84ea5b154382bad2

5 files changed, 35 insertions, 28 deletions

diff --git a/manual/appendix/file_formats.tex b/manual/appendix/file_formats.tex
index 0e77676305..f7335e20d4 100644
--- a/manual/appendix/file_formats.tex
+++ b/manual/appendix/file_formats.tex
@@ -1,12 +1,13 @@
 % $Id$ %
+\newcommand{\includeicon}{\Ifpdfoutput{\includegraphics[width=0.37cm]}{\includegraphics}}
 \chapter{File formats}
 \section{\label{ref:Supportedfileformats}Supported file formats}
 \begin{rbtabular}{\textwidth}{cl>{\raggedright}p{7em}X}%
 {\textbf{Icon} & \textbf{File Type} & \textbf{Extension} 
   & \textbf{Action when selected}}{}{}
-\includegraphics[width=0.37cm]{appendix/images/icon-directory.png} 
+\includeicon{appendix/images/icon-directory.png}
   & Directory & \emph{none} & Enter the directory \tabularnewline
-  \includegraphics[width=0.37cm]{appendix/images/icon-audio-file.png} 
+  \includeicon{appendix/images/icon-audio-file.png} 
   & Audio file & \emph{various}\newline%
   (see \ref{ref:Supportedaudioformats})%
   % do NOT use \reference{} here as that will break the table.
@@ -14,62 +15,62 @@
   & Bookmark & \fname{.bmark} & Display all bookmarks for an audio file\tabularnewline
   & Game of Life & \fname{.cells} & Show the configuration with the
      ``Rocklife'' plugin\tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-config.png} 
+\includeicon{appendix/images/icon-config.png}
   & Configuration File & \fname{.cfg} & Load the settings file\tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-chip8.png} 
+\includeicon{appendix/images/icon-chip8.png} 
   & Chip8 game & \fname{.ch8} & Play the Chip8 game \tabularnewline
 \opt{lcd_color}{
   & Colours & \fname{.colours} & Open the colours file for editing.
     See \reference{ref:ChangingFiletypeColours}.\tabularnewline
 }
-\includegraphics[width=0.37cm]{appendix/images/icon-cuesheet.png} 
+\includeicon{appendix/images/icon-cuesheet.png}
   & Cuesheet & \fname{.cue} & View the cuesheet file \tabularnewline
 \opt{radio}{
   & FM Presets & \fname{.fmr} & Load the FM Presets (previous are discarded)\tabularnewline
 }
-\includegraphics[width=0.37cm]{appendix/images/icon-font.png} 
+\includeicon{appendix/images/icon-font.png}
   & Font & \fname{.fnt} & Change the user interface font to this one\tabularnewline
 \opt{gigabeat}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png}
   & Rockbox firmware & \fname{.gigabeat} & Load the new firmware with ROLO \tabularnewline
 }
 \opt{iaudio}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png}
   & Rockbox firmware & \fname{.iaudio} & Load the new firmware with ROLO \tabularnewline
 }
 \opt{ipod}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png}
   & Rockbox firmware & \fname{.ipod} & Load the new firmware with ROLO \tabularnewline
 }
 \opt{iriverh100,iriverh300}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png}
   & Rockbox firmware & \fname{.iriver} & Load the new firmware with ROLO \tabularnewline
 }
-\includegraphics[width=0.37cm]{appendix/images/icon-image-file.png} 
+\includeicon{appendix/images/icon-image-file.png} 
   & Image & \fname{.jpg} & View the JPEG image \tabularnewline
   & Link & \fname{.link} & Display list of target files and directories;
     selecting one jumps to the target. See \reference{ref:Shortcutsplugin}.\tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-lang.png} 
+\includeicon{appendix/images/icon-lang.png} 
   & Language File & \fname{.lng} & Load the language file \tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-playlist.png}
+\includeicon{appendix/images/icon-playlist.png}
   & Playlist & \fname{.m3u}, \fname{.m3u8} & Load the playlist and start playing 
     the first file \tabularnewline
 \opt{iriverh10,iriverh10_5gb,sansa,mrobe100,vibe500,samsungyh}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png} 
   & Rockbox firmware & \fname{.mi4} & Load the new firmware with ROLO \tabularnewline
 }
- \includegraphics[width=0.37cm]{appendix/images/icon-movie-file.png}
+ \includeicon{appendix/images/icon-movie-file.png}
  & Video & \fname{.mpg}, \fname{.mpeg}, \fname{.mpv}, \fname{.m2v} & Play the MPEG1/2 video \tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-rock.png} 
+\includeicon{appendix/images/icon-rock.png} 
   & Plugin & \fname{.rock} & Start the plugin\tabularnewline
 \opt{sansaAMS}{
-  \includegraphics[width=0.37cm]{appendix/images/icon-rolo.png} 
+  \includeicon{appendix/images/icon-rolo.png}
   & Rockbox firmware & \fname{.sansa} & Load the new firmware with ROLO \tabularnewline
 }
-\includegraphics[width=0.37cm]{appendix/images/icon-text.png} 
+\includeicon{appendix/images/icon-text.png}
   & Text File & \fname{.txt} & Display the text file using the text viewer plugin\tabularnewline
   & Voice file & \fname{.voice} & Allow Rockbox to speak menus\tabularnewline
-\includegraphics[width=0.37cm]{appendix/images/icon-wps.png} 
+\includeicon{appendix/images/icon-wps.png}
   & While Playing Screen & \fname{.wps} & Load the new WPS display configuration\tabularnewline
 \end{rbtabular}
 
diff --git a/manual/configure_rockbox/playback_options.tex b/manual/configure_rockbox/playback_options.tex
index aa2cfff1d5..f9f50593e6 100644
--- a/manual/configure_rockbox/playback_options.tex
+++ b/manual/configure_rockbox/playback_options.tex
@@ -146,7 +146,8 @@ you to configure settings related to audio playback.
 
         The graphic below illustrates how the different settings work in practice.
 
-       \includegraphics[width=14cm]{configure_rockbox/images/crossfade_graphic.png}
+       \Ifpdfoutput{\includegraphics[width=14cm]{configure_rockbox/images/crossfade_graphic.png}}
+       {\includegraphics{configure_rockbox/images/crossfade_graphic.png}}
   }%\opt{crossfade}
     
 \section{\label{ref:ReplayGain}Replaygain}
diff --git a/manual/configure_rockbox/sound_settings.tex b/manual/configure_rockbox/sound_settings.tex
index 73885c27aa..d91ffec989 100644
--- a/manual/configure_rockbox/sound_settings.tex
+++ b/manual/configure_rockbox/sound_settings.tex
@@ -263,7 +263,8 @@ change to customise your listening experience.
   The graphic below illustrates how the width of 10kHz band can be adjusted to
   cover a wider (lower Q) or narrower (higher Q) range of frequencies.
 
-  \includegraphics[width=14cm]{configure_rockbox/images/Q_factor.png}
+  \Ifpdfoutput{\includegraphics[width=14cm]{configure_rockbox/images/Q_factor.png}}
+  {\includegraphics{configure_rockbox/images/Q_factor.png}}
 
   \nopt{gigabeats}{In some ways the EQ is similar to the
   \setting{Bass} and \setting{Treble} settings described earlier, but the EQ
diff --git a/manual/preamble.tex b/manual/preamble.tex
index 2d49623a57..187f7c1f3a 100644
--- a/manual/preamble.tex
+++ b/manual/preamble.tex
@@ -178,19 +178,21 @@
     \newcommand{\seriesimg}{\specimg}
 \fi
 
+\newcommand{\includescreenshot}{\Ifpdfoutput{\includegraphics[width=\screenshotsize]}{\includegraphics}}
+
 \newcommand{\screenshot}[3]{
   \begin{figure}[H]
     \begin{center}
       \IfFileExists{#1-\genericimg-\specimg.png}
-        {\includegraphics[width=\screenshotsize]{#1-\genericimg-\specimg.png}
+        {\includescreenshot{#1-\genericimg-\specimg.png}
          \typeout{Note: device specific image used}}
         {\IfFileExists{#1-\genericimg-\seriesimg.png}
-          {\includegraphics[width=\screenshotsize]{#1-\genericimg-\seriesimg.png}
+          {\includescreenshot{#1-\genericimg-\seriesimg.png}
            \typeout{Note: series specific image used}}
           {\IfFileExists{#1-\genericimg.png}
-            {\includegraphics[width=\screenshotsize]{#1-\genericimg.png}}
+            {\includescreenshot{#1-\genericimg.png}}
             {\IfFileExists{#1}
-              {\includegraphics[width=\screenshotsize]{#1}
+              {\includescreenshot{#1}
                \typeout{Warning: deprecated plain image name used}}%
               {\typeout{Missing image: #1 (\genericimg) (\specimg)}%
                \color{red}{\textbf{WARNING!} Image not found}%
diff --git a/manual/rockbox_interface/main.tex b/manual/rockbox_interface/main.tex
index 45da828143..ccc6e25ae6 100644
--- a/manual/rockbox_interface/main.tex
+++ b/manual/rockbox_interface/main.tex
@@ -15,8 +15,9 @@
 % specify the extension.
 \begin{center}
 \IfFileExists{rockbox_interface/images/\specimg-front.png}
-   {\includegraphics[height=8cm,width=10cm,keepaspectratio=true]%
-    {rockbox_interface/images/\specimg-front}
+   {\Ifpdfoutput{\includegraphics[height=8cm,width=10cm,keepaspectratio=true]%
+    {rockbox_interface/images/\specimg-front}}
+   {\includegraphics{rockbox_interface/images/\specimg-front}}
    }
    {\color{red}{\textbf{WARNING!} Image not found}%
     \typeout{Warning: missing front image}
@@ -26,7 +27,8 @@
   % spacing between the two pictures, could possibly be improved
   \begin{center}
   \IfFileExists{rockbox_interface/images/\specimg-remote.png}
-    {\includegraphics[height=5.6cm,width=10cm,keepaspectratio=true]{rockbox_interface/images/\specimg-remote}
+    {\Ifpdfoutput{\includegraphics[height=5.6cm,width=10cm,keepaspectratio=true]{rockbox_interface/images/\specimg-remote}}
+    {\includegraphics{rockbox_interface/images/\specimg-remote}}
     }
     {\color{red}{\textbf{WARNING!} Image not found}%
      \typeout{Warning: missing remote image}