offsetToMiddleOfAdvanceAtIndex  734 Source/platform/fonts/Font.cpp     float middleOfLastGlyph = offsetToMiddleOfAdvanceAtIndex(glyphBuffer, 0);
offsetToMiddleOfAdvanceAtIndex  739 Source/platform/fonts/Font.cpp         float middleOfNextGlyph = offsetToMiddleOfAdvanceAtIndex(glyphBuffer, i + 1);