212 

   212 

   213     /* This is almost the same as the method above, except it takes a

   213     /* This is almost the same as the method above, except it takes a

   214      * char which means it may include undecoded surrogate pairs.

   214      * char which means it may include undecoded surrogate pairs.

   215      * The distinction is made so that code which needs to identify all

   215      * The distinction is made so that code which needs to identify all

   216      * cases in which we do not have a simple mapping from

   216      * cases in which we do not have a simple mapping from

   218      * For example measurement cannot simply sum advances of 'chars',

   218      * For example measurement cannot simply sum advances of 'chars',

   219      * the caret in editable text cannot advance one 'char' at a time, etc.

   219      * the caret in editable text cannot advance one 'char' at a time, etc.

   220      * These callers really are asking for more than whether 'layout'

   220      * These callers really are asking for more than whether 'layout'

   221      * needs to be run, they need to know if they can assume 1->1

   221      * needs to be run, they need to know if they can assume 1->1

   222      * char->glyph mapping.

   222      * char->glyph mapping.