Merge pull request #1776 from WardBrian/feature/1775-character-width-c-api

Add ability to query font character width to led-matrix-c

Author: marcmerlin

include/led-matrix-c.h

@@ -391,6 +391,9 @@ int baseline_font(struct LedFont *font);
 // Read the height of a font
 int height_font(struct LedFont *font);
 
+// Get the width of a specific codepoint in the given font
+int character_width_font(struct LedFont *font, uint32_t unicode_codepoint);
+
 // Creates an outline font based on an existing font instance
 struct LedFont *create_outline_font(struct LedFont *font);
 

lib/led-matrix-c.cc

@@ -256,6 +256,10 @@ int height_font(struct LedFont * font) {
   return to_font(font)->height();
 }
 
+int character_width_font(struct LedFont *font, uint32_t unicode_codepoint) {
+  return to_font(font)->CharacterWidth(unicode_codepoint);
+}
+
 struct LedFont *create_outline_font(struct LedFont * font) {
   rgb_matrix::Font* outlineFont = to_font(font)->CreateOutlineFont();
   return from_font(outlineFont);