icon-slicer-0.3-attachpoints.patch

   1 diff -ur icon-slicer-0.3/src/main.c icon-slicer-0.3-attachpoints/src/main.c
   2 --- icon-slicer-0.3/src/main.c  2003-06-25 22:17:32.000000000 +0200
   3 +++ icon-slicer-0.3-attachpoints/src/main.c     2004-09-30 10:16:43.884414198 +0200
   4 @@ -363,6 +363,35 @@
   5      }
   6  }
   7
   8 +struct AttachPointCompare {
   9 +  int rowstride;
  10 +  const guchar *pixels;
  11 +};
  12 +
  13 +static gint
  14 +compare_attach_points     (gconstpointer  a,
  15 +                          gconstpointer  b,
  16 +                          gpointer       user_data)
  17 +{
  18 +  const ThemePoint *attach_point_a, *attach_point_b;
  19 +  struct AttachPointCompare *compare;
  20 +  guint8 red_a, red_b;
  21 +
  22 +  attach_point_a = a;
  23 +  attach_point_b = b;
  24 +  compare = user_data;
  25 +
  26 +  red_a = compare->pixels[compare->rowstride * attach_point_a->y + 4*attach_point_a->x];
  27 +  red_b = compare->pixels[compare->rowstride * attach_point_b->y + 4*attach_point_b->x];
  28 +
  29 +  if (red_a > red_b)
  30 +    return -1;
  31 +  if (red_a == red_b)
  32 +    return 0;
  33 +  return 1;
  34 +}
  35 +
  36 +
  37  static void
  38  icon_fetch_attach_points (ThemeIcon         *icon,
  39                           ThemeIconInstance *instance,
  40 @@ -375,7 +404,8 @@
  41
  42    const guchar *pixels;
  43    int rowstride;
  44 -
  45 +  struct AttachPointCompare compare;
  46 +
  47    theme_source_location_start (source, &icon->location, &start_x, &start_y);
  48    image = theme_source_find_image (source, THEME_SOURCE_USE_ATTACH_POINTS);
  49    if (!image)
  50 @@ -390,6 +420,8 @@
  51
  52    rowstride = gdk_pixbuf_get_rowstride (image->image);
  53    pixels = gdk_pixbuf_get_pixels (image->image) + start_y * rowstride + start_x * 4;
  54 +  compare.pixels = pixels;
  55 +  compare.rowstride = rowstride;
  56
  57    for (j = 0; j < source->gridsize; j++)
  58      {
  59 @@ -407,6 +439,10 @@
  60
  61        pixels += rowstride;
  62      }
  63 +
  64 +  instance->attach_points = g_slist_sort_with_data (instance->attach_points,
  65 +                                                   compare_attach_points,
  66 +                                                   &compare);
  67  }
  68
  69  static gboolean