Re: State of NS port

[YAMAMOTO Mitsuharu <mituharu@math.s.chiba-u.ac.jp>]

>>>>> On Sun, 13 Jan 2013 15:09:25 +0100, Jan Djärv <jan.h.d@swipnet.se> said:

> A question, there might be smoothing on both left and right sides of
> a glyph, for instance Y may do this.  Don't you need to take the
> left side into account?

Yes, indeed.

				     YAMAMOTO Mitsuharu
				mituharu@math.s.chiba-u.ac.jp

=== modified file 'src/macfont.c'
*** src/macfont.c	2013-01-11 07:33:09 +0000
--- src/macfont.c	2013-01-14 03:02:40 +0000
***************
*** 483,488 ****
--- 483,490 ----
        METRICS_SET_VALUE (metrics, descent, status);} while (0)
  
  #define METRICS_NCOLS_PER_ROW	(128)
+ #define LCD_FONT_SMOOTHING_LEFT_MARGIN	(0.396)
+ #define LCD_FONT_SMOOTHING_RIGHT_MARGIN	(0.396)
  
  static int
  macfont_glyph_extents (struct font *font, CGGlyph glyph,
***************
*** 579,584 ****
--- 581,592 ----
  				     / (CGFloat) WIDTH_FRAC_SCALE));
  	      break;
  	    }
+ 	  if (bounds.size.width > 0)
+ 	    {
+ 	      bounds.origin.x -= LCD_FONT_SMOOTHING_LEFT_MARGIN;
+ 	      bounds.size.width += (LCD_FONT_SMOOTHING_LEFT_MARGIN
+ 				    + LCD_FONT_SMOOTHING_RIGHT_MARGIN);
+ 	    }
  	  bounds = CGRectIntegral (bounds);
  	  METRICS_SET_VALUE (cache, lbearing, CGRectGetMinX (bounds));
  	  METRICS_SET_VALUE (cache, rbearing, CGRectGetMaxX (bounds));