Add Freetype2 to includes and lib folders, update CMakeLists.txt to

properly build the text_rendering example as just one more project.

includes/freetype/ftfntfmt.h

@@ -0,0 +1,94 @@
+/****************************************************************************
+ *
+ * ftfntfmt.h
+ *
+ *   Support functions for font formats.
+ *
+ * Copyright (C) 2002-2020 by
+ * David Turner, Robert Wilhelm, and Werner Lemberg.
+ *
+ * This file is part of the FreeType project, and may only be used,
+ * modified, and distributed under the terms of the FreeType project
+ * license, LICENSE.TXT.  By continuing to use, modify, or distribute
+ * this file you indicate that you have read the license and
+ * understand and accept it fully.
+ *
+ */
+
+
+#ifndef FTFNTFMT_H_
+#define FTFNTFMT_H_
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#ifdef FREETYPE_H
+#error "freetype.h of FreeType 1 has been loaded!"
+#error "Please fix the directory search order for header files"
+#error "so that freetype.h of FreeType 2 is found first."
+#endif
+
+
+FT_BEGIN_HEADER
+
+
+  /**************************************************************************
+   *
+   * @section:
+   *  font_formats
+   *
+   * @title:
+   *  Font Formats
+   *
+   * @abstract:
+   *  Getting the font format.
+   *
+   * @description:
+   *  The single function in this section can be used to get the font format.
+   *  Note that this information is not needed normally; however, there are
+   *  special cases (like in PDF devices) where it is important to
+   *  differentiate, in spite of FreeType's uniform API.
+   *
+   */
+
+
+  /**************************************************************************
+   *
+   * @function:
+   *  FT_Get_Font_Format
+   *
+   * @description:
+   *  Return a string describing the format of a given face.  Possible values
+   *  are 'TrueType', 'Type~1', 'BDF', 'PCF', 'Type~42', 'CID~Type~1', 'CFF',
+   *  'PFR', and 'Windows~FNT'.
+   *
+   *  The return value is suitable to be used as an X11 FONT_PROPERTY.
+   *
+   * @input:
+   *  face ::
+   *    Input face handle.
+   *
+   * @return:
+   *  Font format string.  `NULL` in case of error.
+   *
+   * @note:
+   *  A deprecated name for the same function is `FT_Get_X11_Font_Format`.
+   */
+  FT_EXPORT( const char* )
+  FT_Get_Font_Format( FT_Face  face );
+
+
+  /* deprecated */
+  FT_EXPORT( const char* )
+  FT_Get_X11_Font_Format( FT_Face  face );
+
+
+  /* */
+
+
+FT_END_HEADER
+
+#endif /* FTFNTFMT_H_ */
+
+
+/* END */