diff --git a/.gitignore b/.gitignore
index 4d92641..e8eb7d3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,15 @@
+# Editors & IDEs
 cmake-build-*/
-build/
 .idea/
+*.iml
 .vs/
+
+# CMake
+CMakeFiles
+CmakeCache.txt
+
+
+bin/
+lib/
+include/
+build/
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..5fdc8ee
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,33 @@
+# Changelog
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+
+## [Unreleased]
+
+- Continuous Integration
+
+## [0.0.1] - 2019-10-24
+
+### Added
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
+## [0.0.0] - 2019-10-17
+
+### Added
+
+- README
+- LICENCE
+- CMake configuration
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a5296a..b41e461 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,15 +1,39 @@
-cmake_minimum_required(VERSION 3.0)
+cmake_minimum_required(VERSION 3.7.2)
+
+if ("${CMAKE_BINARY_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
+    message(FATAL_ERROR "In-source builds are disabled.
+    Please create a subfolder called build and use `cmake ..` inside it.
+    NOTE: cmake will now create CMakeCache.txt and CMakeFiles/*.
+          You must delete them, or cmake will refuse to work.")
+endif()
+set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "bin" "doc" "CMakeFiles" "lib" "include")
+
 project(TextRenderer)
 set(CMAKE_CXX_STANDARD 14)
 
+# enable clang_tidy
+set(CMAKE_CXX_CLANG_TIDY "clang-tidy;-checks=*")
+set(CMAKE_CXX_CLANG_TIDY clang-tidy;-header-filter=.;-checks=*;)
+
 file(GLOB_RECURSE SOURCES src/*.cpp)
 file(GLOB_RECURSE HEADERS src/*.h)
+file(GLOB_RECURSE TESTS test/*.cpp)
 include_directories(src)
+include_directories(test)
 
-set(LIB_PATH "${CMAKE_SOURCE_DIR}/../library/build")
+set(LIB_PATH "${CMAKE_SOURCE_DIR}/../library")
 
 include_directories(${LIB_PATH}/include)
-add_executable(TextRenderer ${SOURCES} ${HEADERS} src/Bitmap.cpp src/Bitmap.h)
+add_executable(TextRenderer ${SOURCES} ${HEADERS} main/main.cpp)
 
 target_link_libraries(TextRenderer ${LIB_PATH}/lib/liblibrary.a)
 
+
+enable_testing()
+find_package(Catch2 REQUIRED)
+add_executable(UnitTests ${SOURCES} ${HEADERS} ${TESTS})
+target_link_libraries(UnitTests Catch2::Catch2)
+
+include(CTest)
+include(Catch)
+catch_discover_tests(UnitTests)
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..66aec33
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2019, Projektgruppe vKVM WS 2019
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..67291f7
--- /dev/null
+++ b/README.md
@@ -0,0 +1,9 @@
+# vKVM TextRenderer
+
+## Installation
+
+Use the installation script provided in the Scripts repository
+to install the full package.
+
+Installing a single component is currently not supported.
+
diff --git a/src/main.cpp b/main/main.cpp
similarity index 72%
rename from src/main.cpp
rename to main/main.cpp
index a38ff78..3a0f898 100644
--- a/src/main.cpp
+++ b/main/main.cpp
@@ -3,7 +3,7 @@
 //#include "add.h"
 #include "Bitmap.h"
 
-/*
+/**
  * @author: Julian Hinxlage
  * @since: v0.0.0
  * @brief: An image is loaded and used as a font.
@@ -14,15 +14,17 @@ int main() {
     Bitmap bitmap;
     bitmap.load("../res/font.bmp");
 
-    std::string str = "Hello, World!";
+    std::string str;
+    std::cout << "string to draw: ";
+    std::cin >> str;
 
     //values used to calculate the coordinates of the characters
-    int xOffset = 1;
+    int xOffset = 2;
     int yOffset = 2;
-    int xSize = 6;
+    int xSize = 5;
     int ySize = 7;
     int xCount = 18;
-    int xStart = 0;
+    int xStart = 1;
     int yStart = 2;
 
     //print vertical
@@ -41,12 +43,18 @@ int main() {
 
             //print current row of the current character
             for (int j = x; j < x + xSize; j++) {
-                auto *pixel = (unsigned int *) bitmap.getPixel(j, i + y);
-                if (*pixel == 0) {
+                char *pixel_ptr = bitmap.getPixel(j, i + y);
+                unsigned int pixel = 0;
+                *((char*)&pixel+0) = pixel_ptr[0];
+                *((char*)&pixel+1) = pixel_ptr[1];
+                *((char*)&pixel+2) = pixel_ptr[2];
+
+                if (pixel == 0) {
                     std::cout << " ";
                 } else {
-                    std::cout << "1";
+                   std::cout << "1";
                 }
+
             }
             std::cout << " ";
         }
diff --git a/src/Bitmap.h b/src/Bitmap.h
index 8245fb9..2619a22 100644
--- a/src/Bitmap.h
+++ b/src/Bitmap.h
@@ -3,8 +3,7 @@
 
 #include <string>
 
-#define TEST 111
-/*
+/**
  * @author: Julian Hinxlage
  * @since: v0.0.0
  * @brief: Used to load a Bitmap from a file.
@@ -15,42 +14,42 @@ public:
 
     ~Bitmap();
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @brief: Used to load a Bitmap from a file.
      */
      void load(const std::string &file);
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @return: the width of the image.
      */
     int getWidth();
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @return: the height of the image
      */
     int getHeight();
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @return: the pixel data as an byte array
      */
     char *getData();
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @return: the number of bits uses per pixel
      */
     int getBitsPerPixel();
 
-    /*
+    /**
      * @author: Julian Hinxlage
      * @since: v0.0.0
      * @return: the pixel value by coordinates, (0,0) is on the top left
diff --git a/test/test_bitmap.cpp b/test/test_bitmap.cpp
new file mode 100644
index 0000000..a902711
--- /dev/null
+++ b/test/test_bitmap.cpp
@@ -0,0 +1,9 @@
+#include <catch2/catch.hpp>
+#include <Bitmap.h>
+
+TEST_CASE("default values") {
+    Bitmap bitmap = Bitmap();
+    REQUIRE(bitmap.getWidth() == 0);
+    REQUIRE(bitmap.getHeight() == 0);
+    REQUIRE(bitmap.getBitsPerPixel() == 0);
+}
\ No newline at end of file
diff --git a/test/test_main.cpp b/test/test_main.cpp
new file mode 100644
index 0000000..6372e38
--- /dev/null
+++ b/test/test_main.cpp
@@ -0,0 +1,6 @@
+#define CATCH_CONFIG_MAIN
+
+#include <catch2/catch.hpp>
+
+//Dont touch this file.
+// add your own tests in this directory according to https://github.com/catchorg/Catch2/blob/master/docs/tutorial.md