Use fontconvert.c to create new fonts in windows

A brief guide of how to set your pc with Windows OS so you can create your oen fonts with fontconvert.c

fontconvert/fontconvert_win.md

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+### A short guide to use fontconvert.c to create your own fonts using MinGW.
+
+#### STEP 1: INSTALL MinGW
+
+Install MinGW (Minimalist GNU for Windows) from [MinGW.org](http://www.mingw.org/).
+Please read carefully the instructions found on [Getting started page](http://www.mingw.org/wiki/Getting_Started).
+I suggest installing with the "Graphical User Interface Installer".
+To complete your initial installation you should further install some "packages".
+For our purpose you should only install the "Basic Setup" packages.
+To do that:
+1. Open the MinGW Installation Manager
+2. From the left panel click "Basic Setup".
+3. On the right panel choose "mingw32-base", "mingw-gcc-g++", "mingw-gcc-objc" and "msys-base"
+and click "Mark for installation"
+4. From the Menu click "Installation" and then "Apply changes". In the pop-up window select "Apply".
+
+
+#### STEP 2: INSTALL Freetype Library
+
+To read about the freetype project visit [freetype.org](https://www.freetype.org/).
+To Download the latest version of freetype go to [download page](http://download.savannah.gnu.org/releases/freetype/)
+and choose "freetype-2.7.tar.gz" file (or a newer version if available).
+To avoid long cd commands later in the command prompt, I suggest you unzip the file in the C:\ directory.
+(I also renamed the folder to "ft27")
+Before you build the library it's good to read these articles:
+* [Using MSYS with MinGW](http://www.mingw.org/wiki/MSYS)
+* [Installation and Use of Supplementary Libraries with MinGW](http://www.mingw.org/wiki/LibraryPathHOWTO)
+* [Include Path](http://www.mingw.org/wiki/IncludePathHOWTO)
+
+Inside the unzipped folder there is another folder named "docs". Open it and read the INSTALL.UNIX (using notepad).
+Pay attention to paragraph 3 (Build and Install the Library). So, let's begin the installation.
+To give the appropriate commands we will use the MSYS command prompt (not cmd.exe of windows) which is UNIX like.
+Follow the path C:\MinGW\msys\1.0 and double click "msys.bat". The command prompt environment appears.
+Enter "ft27" directory using the cd commands:
+```
+cd /c
+cd ft27
+```
+
+and then type one by one the commands:
+```
+./configure --prefix=/mingw
+make
+make install
+```
+Once you're finished, go inside "C:\MinGW\include" and there should be a new folder named "freetype2".
+That propably means that you have installed the library correctly !!
+
+#### STEP 3: Build fontconvert.c
+
+Before proceeding I suggest you make a copy of Adafruit_GFX_library folder in C:\ directory.
+Then, inside "fontconvert" folder open the "makefile" with an editor ( I used notepad++).
+Change the commands so in the end the program looks like :
+```
+all: fontconvert
+
+CC     = gcc
+CFLAGS = -Wall -I c:/mingw/include/freetype2
+LIBS   = -lfreetype
+
+fontconvert: fontconvert.c
+	$(CC) $(CFLAGS) $< $(LIBS) -o $@
+
+clean:
+	rm -f fontconvert
+```
+Go back in the command prompt and with a cd command enter the fontconvert directory.
+```
+cd /c/adafruit_gfx_library\fontconvert
+```
+Give the command:
+```
+make
+```
+This command will, eventually, create a "fontconvert.exe" file inside fontconvert directory.
+
+#### STEP 4: Create your own font header files
+
+Now that you have an executable file, you can use it to create your own fonts to work with Adafruit GFX lib.
+So, if we suppose that you already have a .ttf file with your favorite fonts, jump to the command prompt and type:
+```
+./fontconvert yourfonts.ttf 9 > yourfonts9pt7b.h
+```
+You can read more details at: [learn.adafruit](https://learn.adafruit.com/adafruit-gfx-graphics-library/using-fonts)
+Taraaaaaammm !! you've just created your new font header file. Put it inside the "Fonts" folder, grab a cup of coffee
+and start playing with your Arduino (or whatever else ....)+ display module project.