Centralize Text

Added two methods into rtext.c -
CentralizeText (for default font),
CentralizeTextEx (for specific font).
Used the same logic as in "MeasureText" method:
In "CentralizeText" method check if the default font has been loaded, if it doesn't - return the zero vector.
if it does - modify the fontSize, calculate the spacing, and then call to "CentralizeTextEx" method that will calculate the desired textPosition.
Added the methods declarations into raylib.h

src/raylib.h

@@ -1485,7 +1485,9 @@ RLAPI void DrawTextCodepoints(Font font, const int *codepoints, int codepointCou
 // Text font info functions
 RLAPI void SetTextLineSpacing(int spacing);                                                 // Set vertical line spacing when drawing with line-breaks
 RLAPI int MeasureText(const char *text, int fontSize);                                      // Measure string width for default font
+RLAPI Vector2 CentralizeText(const char *text, int fontSize, Vector2 anchorPosition, Vector2 areaSize); // Gives you the position (Vector2) for your text so it will be Centered in specific area for default font
 RLAPI Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing);    // Measure string size for Font
+RLAPI Vector2 CentralizeTextEx(Font font, const char *text, float fontSize, float spacing, Vector2 anchorPosition, Vector2 areaSize); // Gives you the position (Vector2) for your text so it will be Centered in specific area for Font
 RLAPI int GetGlyphIndex(Font font, int codepoint);                                          // Get glyph index position in font for a codepoint (unicode character), fallback to '?' if not found
 RLAPI GlyphInfo GetGlyphInfo(Font font, int codepoint);                                     // Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found
 RLAPI Rectangle GetGlyphAtlasRec(Font font, int codepoint);                                 // Get glyph rectangle in font atlas for a codepoint (unicode character), fallback to '?' if not found

src/rtext.c

@@ -1277,6 +1277,24 @@ int MeasureText(const char *text, int fontSize)
     return (int)textSize.x;
 }
 
+// Gives you the position (Vector2) for your text so it will be Centered in specific area for default font
+Vector2 CentralizeText(const char *text, int fontSize, Vector2 anchorPosition, Vector2 areaSize)
+{
+    Vector2 textPosition = { 0.0f, 0.0f };
+
+    // Check if default font has been loaded
+    if (GetFontDefault().texture.id != 0)
+    {
+        int defaultFontSize = 10;   // Default Font chars height in pixel
+        if (fontSize < defaultFontSize) fontSize = defaultFontSize;
+        int spacing = fontSize/defaultFontSize;
+
+        textPosition = CentralizeTextEx(GetFontDefault(), text, (float)fontSize, (float)spacing, anchorPosition, areaSize);
+    }
+
+    return textPosition;
+}
+
 // Measure string size for Font
 Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing)
 {
@@ -1334,6 +1352,18 @@ Vector2 MeasureTextEx(Font font, const char *text, float fontSize, float spacing
     return textSize;
 }
 
+// Gives you the position (Vector2) for your text so it will be Centered in specific area for Font
+Vector2 CentralizeTextEx(Font font, const char *text, float fontSize, float spacing, Vector2 anchorPosition, Vector2 areaSize)
+{
+    Vector2 textPosition = { 0 };
+    Vector2 textSize = MeasureTextEx(font, text, fontSize, spacing);
+
+    textPosition.x = anchorPosition.x + ((areaSize.x - textSize.x) / 2.0f);
+    textPosition.y = anchorPosition.y + ((areaSize.y - textSize.y) / 2.0f);
+
+    return textPosition;
+}
+
 // Get index position for a unicode character on font
 // NOTE: If codepoint is not found in the font it fallbacks to '?'
 int GetGlyphIndex(Font font, int codepoint)