gfx/cairo/max-font-size.patch

   1 diff --git a/gfx/cairo/cairo/src/cairo-ft-font.c b/gfx/cairo/cairo/src/cairo-ft-font.c
   2 --- a/gfx/cairo/cairo/src/cairo-ft-font.c
   3 +++ b/gfx/cairo/cairo/src/cairo-ft-font.c
   4 @@ -63,6 +63,10 @@
   5  /* This is the max number of FT_face objects we keep open at once
   6   */
   7  #define MAX_OPEN_FACES 10
   8 +
   9 +/* This is the maximum font size we allow to be passed to FT_Set_Char_Size
  10 + */
  11 +#define MAX_FONT_SIZE 2000
  12
  13  /*
  14   * The simple 2x2 matrix is converted into separate scale and shape
  15 @@ -682,9 +686,11 @@ _cairo_ft_unscaled_font_set_scale (cairo
  16      FT_Set_Transform(unscaled->face, &mat, NULL);
  17
  18      if ((unscaled->face->face_flags & FT_FACE_FLAG_SCALABLE) != 0) {
  19 +       double x_scale = MIN(sf.x_scale, MAX_FONT_SIZE);
  20 +       double y_scale = MIN(sf.y_scale, MAX_FONT_SIZE);
  21         error = FT_Set_Char_Size (unscaled->face,
  22 -                                 sf.x_scale * 64.0 + .5,
  23 -                                 sf.y_scale * 64.0 + .5,
  24 +                                 x_scale * 64.0 + .5,
  25 +                                 y_scale * 64.0 + .5,
  26                                   0, 0);
  27         if (error)
  28             return _cairo_error (CAIRO_STATUS_NO_MEMORY);