Added dvipng as requirement for Sphinx building

git-svn-id: https://code.ros.org/svn/opencv/trunk@2899 73c94f0f-984f-4a5f-82bc-2d8db8d8ee08

diff --git a/opencv/doc/latex_readme.txt b/opencv/doc/latex_readme.txt
index 0328acabbfea0aa4e896113a7b229ba218b35140..f6d5c0e112a0f7d012ec1c164c02eb8bb2fbed00 100644 (file)
--- a/opencv/doc/latex_readme.txt
+++ b/opencv/doc/latex_readme.txt
@@ -4,17 +4,16 @@ the html files on disk that populate the online OpenCV documenation
 wiki.
 
 -------------------------------------------------------------------------
-In Ubuntu or Debian you need to install the following packages:
+In Ubuntu or Debian, required to build the opencv.pdf manual:
 
-sudo apt-get install texlive
-sudo apt-get install texlive-latex-extra
-sudo apt-get install latex-xcolor
-sudo apt-get install texlive-fonts-extra 
+  sudo apt-get install     texlive texlive-latex-extra latex-xcolor texlive-fonts-extra
  
-## Above will make the opencv.pdf manual. Below is only if you wish to make HTML documentation:
-sudo apt-get install python-setuptools             ## See [1] below for another install method
-sudo easy_install -U Sphinx                        ## This is NOT the speech recognition program. 
-sudo easy_install plasTeX            
+To build the HTML documentation, these are also required:
+
+  sudo apt-get install python-setuptools             ## See [1] below for another install method
+  sudo easy_install -U Sphinx                        ## This is NOT the speech recognition program. 
+  sudo apt-get install     dvipng
+  sudo easy_install plasTeX            
 
 -------------------------------------------------------------------------
 In other Linux distros you will also need to install LiveTeX and,
@@ -48,5 +47,3 @@ First:
   wget -q http://peak.telecommunity.com/dist/ez_setup.py
 Then
   sudo python ez_setup.py
-
-sudo apt-get install texlive texlive-latex-extra latex-xcolor texlive-fonts-extra