Scene change support

src/dawn/display/font/truetype/TrueTypeFaceTexture.cpp

@@ -32,6 +32,8 @@ TrueTypeFaceTexture::TrueTypeFaceTexture(
       assertUnreachable();
     }
 
+    if(face->glyph->bitmap.width == 0 || face->glyph->bitmap.rows == 0) continue;
+
     // Update the width and height
     w = mathMax<size_t>(w, face->glyph->bitmap.width);
     h += face->glyph->bitmap.rows;