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Jason Simmons 5bd27070dc libtxt: refactor glyph position calculation (flutter/engine#4134) 
* Remove padding values in line_heights and glyph_position_x.  Each value
  in glyph_position_x now represents an actual glyph in the layout.

* Remove code intended to handle extra characters beyond the end of the
  last line.  The LineBreaker should ensure that the end of the last run
  matches the end of the last line.

* Return the upstream/downstream affinity of the cursor position in
  GetGlyphPositionAtCoordinate.

* Account for the space at the end of a word wrapped line in
  GetGlyphPositionAtCoordinate / GetCoordinatesForGlyphPosition
2017-09-22 15:15:59 -07:00
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src/flutter
libtxt: refactor glyph position calculation (flutter/engine#4134)
2017-09-22 15:15:59 -07:00