Ok, now optimized the tutorial size for real. Made JPG/PNG optimization for all the images. Modified some tutorial files to follow these size optimizations. Now the tutorial PDF generated is 3.95MB, so enjoy!

doc/tutorials/introduction/linux_eclipse/linux_eclipse.rst

@@ -24,29 +24,21 @@ Making a project
 
 #. Go to **File -> New -> C/C++ Project**
 
-   .. image:: images/a0.jpg
-      :height: 400px 
+   .. image:: images/a0.png
       :alt: Eclipse Tutorial Screenshot 0
       :align: center
 
 #. Choose a name for your project (i.e. DisplayImage). An **Empty Project** should be okay for this example. 
 
-   .. image:: images/a1.jpg
-      :height: 400px 
+   .. image:: images/a1.png
       :alt: Eclipse Tutorial Screenshot 1
       :align: center
 
 #. Leave everything else by default. Press **Finish**. 
 
-   .. image:: images/a2.jpg
-      :height: 400px 
-      :alt: Eclipse Tutorial Screenshot 2
-      :align: center
-
 #. Your project (in this case DisplayImage) should appear in the **Project Navigator** (usually at the left side of your window).
 
-   .. image:: images/a3.jpg
-      :height: 400px 
+   .. image:: images/a3.png
       :alt: Eclipse Tutorial Screenshot 3
       :align: center
 
@@ -55,29 +47,17 @@ Making a project
 
    * Right click on **DisplayImage** (in the Navigator). **New -> Folder** . 
 
-     .. image:: images/a4.jpg
-        :height: 400px 
+     .. image:: images/a4.png
         :alt: Eclipse Tutorial Screenshot 4
         :align: center
 
    * Name your folder **src** and then hit **Finish**
 
-     .. image:: images/a5.jpg
-        :height: 400px 
-        :alt: Eclipse Tutorial Screenshot 5
-        :align: center
-
    * Right click on your newly created **src** folder. Choose **New source file**:
 
-     .. image:: images/a6.jpg
-        :height: 400px 
-        :alt: Eclipse Tutorial Screenshot 6
-        :align: center
-
    * Call it **DisplayImage.cpp**. Hit **Finish**
 
-     .. image:: images/a7.jpg
-        :height: 400px 
+     .. image:: images/a7.png
         :alt: Eclipse Tutorial Screenshot 7
         :align: center
 
@@ -113,17 +93,11 @@ Making a project
 
     * Go to  **Project-->Properties**
 
-     .. image:: images/a8.jpg
-        :height: 400px 
-        :alt: Eclipse Tutorial Screenshot 8
-        :align: center
-
     * In **C/C++ Build**, click on **Settings**. At the right, choose the **Tool Settings** Tab. Here we will enter the headers and libraries info:
 
       a. In **GCC C++ Compiler**, go to **Includes**. In **Include paths(-l)** you should include the path of the folder where opencv was installed. In our example, this is ``/usr/local/include/opencv``.
 
-         .. image:: images/a9.jpg
-            :height: 400px 
+         .. image:: images/a9.png
             :alt: Eclipse Tutorial Screenshot 9
             :align: center
 
@@ -163,8 +137,7 @@ Making a project
          opencv_legacy    
          opencv_flann
 
-         .. image:: images/a10.jpg
-             :height: 400px 
+         .. image:: images/a10.png
              :alt: Eclipse Tutorial Screenshot 10
              :align: center 
              
@@ -184,15 +157,9 @@ Making a project
 
     * Your project should be ready to be built. For this, go to **Project->Build all**   
 
-      .. image:: images/a11.jpg
-         :height: 400px 
-         :alt: Eclipse Tutorial Screenshot 11
-         :align: center 
-
       In the Console you should get something like 
 
-      .. image:: images/a12.jpg
-         :height: 200px 
+      .. image:: images/a12.png
          :alt: Eclipse Tutorial Screenshot 12
          :align: center 
 
@@ -207,24 +174,18 @@ So, now we have an executable ready to run. If we were to use the Terminal, we w
 
    cd <DisplayImage_directory>
    cd src
-   ./DisplayImage ../images/HappyLittleFish.jpg
+   ./DisplayImage ../images/HappyLittleFish.png
 
-Assuming that the image to use as the argument would be located in <DisplayImage_directory>/images/HappyLittleFish.jpg. We can still do this, but let's do it from Eclipse:
+Assuming that the image to use as the argument would be located in <DisplayImage_directory>/images/HappyLittleFish.png. We can still do this, but let's do it from Eclipse:
 
 
 #. Go to **Run->Run Configurations** 
 
-   .. image:: images/a13.jpg
-      :height: 300px 
-      :alt: Eclipse Tutorial Screenshot 13
-      :align: center 
-
 #. Under C/C++ Application you will see the name of your executable + Debug (if not, click over C/C++ Application a couple of times). Select the name (in this case **DisplayImage Debug**). 
 
-#. Now, in the right side of the window, choose the **Arguments** Tab. Write the path of the image file we want to open (path relative to the workspace/DisplayImage folder). Let's use **HappyLittleFish.jpg**:
+#. Now, in the right side of the window, choose the **Arguments** Tab. Write the path of the image file we want to open (path relative to the workspace/DisplayImage folder). Let's use **HappyLittleFish.png**:
 
-   .. image:: images/a14.jpg
-      :height: 300px 
+   .. image:: images/a14.png
       :alt: Eclipse Tutorial Screenshot 14
       :align: center 
 
@@ -234,5 +195,4 @@ Assuming that the image to use as the argument would be located in <DisplayImage
       :alt: Eclipse Tutorial Screenshot 15
       :align: center 
 
-
 #. Congratulations! You are ready to have fun with OpenCV using Eclipse.