[poppler] About a few statements in CairoFontEngine.cc

Lu Wang coolwanglu at gmail.com
Thu Sep 19 01:19:10 PDT 2013

Hi all,

   While reading CairoFontEngine.cc, I found the following lines around
line 600:

   extents->ascent = mat[3]; /* y2 */
  extents->descent = -mat[3]; /* -y1 */
  extents->height = extents->ascent + extents->descent;
  extents->max_x_advance = mat[2] - mat[1]; /* x2 - x1 */
  extents->max_y_advance = 0;

  The indices of mat[] looks suspicious to me, seems that they are not
matching the comments nor the fields of extents.

  Can any one please verify this?


  - Lu Wang
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