Displayable tile grid (Issue 171)

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1007 416bcca6-2ee7-4201-b75f-2eb2f807beb1

gfx2def.ini

@@ -328,5 +328,16 @@
   ; want to use.                      | 8x8 utilisée dans les menus.
   ; Default : (empty to let the program choose)
   Font_file = 
+
+  ; This determines the color value for the grid. Each pixel of 
+  ; the grid will be displayed by XOR-ing the original color with
+  ; the value of this setting.
+  ; For example, if you always paint 16-color images, you can set it
+  ; to 16 so the color of the grid are 16 for 0, 17 for 1, etc.
+  ; Then you can set colors 16-31 as lighter/darker variants
+  ; of your original palette, resulting in a pretty grid !
+  ;
+  ; Valid values are 1 to 255. 
+  Grid_XOR_color = 255; (Default 255)
   
   ; end of configuration