Changed instructions to the C++ version

README.md

@@ -1,30 +1,33 @@
-# TerminalImageViewer
+# TerminalImageViewer (tiv)
 
-Small Java\* program to display images in a (modern) terminal using RGB ANSI codes and unicode block graphic characters.
+Small C++ program to display images in a (modern) terminal using RGB ANSI codes and unicode block graphic characters.
 
-Algorithm (for each 4x8 pixel cell mapped to a unicode block graphics character):
+The main difference to various existing similar tools is that instead of having two fixed pixels per character
+cell utilizing the unicode half block character, this program enhances the resolution using the following algorithm:
+
+For each 4x8 pixel cell mapped to a unicode block graphics character:
 
 1. Find the color channel (R, G or B) that has the biggest range of values for the current cell
-2. Split this range in the middle 
-3. Average the colors above and below and create a corresponding bitmap for the cell
-3. Compare the bitmap to the assumed bitmaps for various unicode block graphics characters
+2. Split this range in the middle and create a corresponding bitmap for the cell
+4. Compare the bitmap to the assumed bitmaps for various unicode block graphics characters
+5. Re-calculate the foregound and background colors for the chosen character.
 
-\*) **C++ port** available at at https://github.com/stefanhaustein/tiv
+## Installation
+
+    git clone https://github.com/stefanhaustein/TerminalImageViewer.git
+    cd TerminalImageViewer/src/main/cpp
+    make
+    sudo make install
 
 ## Usage
 
-```
-javac TerminalImageViewer.java
-
-java TerminalImageViewer [-w <width-in-characters>] <image-filename-or-url>
-
-```
+    tiv <filenames>
 
 ## Common problems
 
  - If you see strange horizontal lines, the characters don't fully fill the character cell. Remove additional line spacing in your terminal app
- - Wrong colors? Try -256 to use a 256 color palette instead of 24 bit colors or -grayscale for grayscale.
-
+ - Wrong colors? Try -256 to use a 256 color palette instead of 24 bit colors
+ 
 ## Examples
 
 ![Examples](http://i.imgur.com/8UyGjg8.png)