src/java.desktop/share/classes/javax/swing/text/Utilities.java

*** 524,534 ****
                      if (i <= spaceAddonLeftoverEnd) {
                          nextX++;
                      }
                  }
              } else {
!                 nextX += getFontCharWidth(txt[i], metrics, useFPAPI);
              }
              if (x < nextX) {
                  // found the hit position... return the appropriate side
                  int offset;
  
--- 524,539 ----
                      if (i <= spaceAddonLeftoverEnd) {
                          nextX++;
                      }
                  }
              } else {
!                 // Use the floating point API directly as char width can be in 
!                 // floating point for non-integer window scale
!                 Rectangle2D bounds = metrics.getFont().
!                                      getStringBounds(new char[]{txt[i]}, 0, 1,
!                                                      metrics.getFontRenderContext());
!                 nextX += (float) bounds.getWidth();
              }
              if (x < nextX) {
                  // found the hit position... return the appropriate side
                  int offset;