Added initial support for inversion principles in Matita NG.

[helm.git] / helm / software / matita / matitaMathView.ml

diff --git a/helm/software/matita/matitaMathView.ml b/helm/software/matita/matitaMathView.ml
index ad0a66294db314ff2ac47be9c59e45b2ee9df6ea..e76c659a4cb42ab194754060e36ca392fb76192e 100644 (file)
--- a/helm/software/matita/matitaMathView.ml
+++ b/helm/software/matita/matitaMathView.ml
@@ -1035,6 +1035,25 @@ class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
   let load_easter_egg = lazy (
     win#browserImage#set_file (MatitaMisc.image_path "meegg.png"))
   in
+  let load_hints () =
+      let module Pp = GraphvizPp.Dot in
+      let filename, oc = Filename.open_temp_file "matita" ".dot" in
+      let fmt = Format.formatter_of_out_channel oc in
+      let status = (MatitaScript.current ())#grafite_status in
+      Pp.header 
+        ~name:"Hints"
+        ~graph_type:"graph"
+        ~graph_attrs:["overlap", "false"]
+        ~node_attrs:["fontsize", "9"; "width", ".4"; 
+            "height", ".4"; "shape", "box"]
+        ~edge_attrs:["fontsize", "10"; "len", "2"] fmt;
+      NCicUnifHint.generate_dot_file status fmt;
+      Pp.trailer fmt;
+      Pp.raw "@." fmt;
+      close_out oc;
+      gviz#load_graph_from_file ~gviz_cmd:"neato -Tpng" filename;
+      (*HExtlib.safe_remove filename*)
+  in
   let load_coerchgraph tred () = 
       let module Pp = GraphvizPp.Dot in
       let filename, oc = Filename.open_temp_file "matita" ".dot" in
@@ -1261,6 +1280,7 @@ class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
           | `About `Us -> self#egg ()
           | `About `CoercionsFull -> self#coerchgraph false ()
           | `About `Coercions -> self#coerchgraph true ()
+          | `About `Hints -> self#hints ()
           | `About `TeX -> self#tex ()
           | `About `Grammar -> self#grammar () 
           | `Check term -> self#_loadCheck term
@@ -1324,6 +1344,10 @@ class cicBrowser_impl ~(history:MatitaTypes.mathViewer_entry MatitaMisc.history)
       load_coerchgraph tred ();
       self#_showGviz
 
+    method private hints () =
+      load_hints ();
+      self#_showGviz
+
     method private tex () =
       let b = Buffer.create 1000 in
       Printf.bprintf b "UTF-8 equivalence classes (rotate with ALT-L):\n\n";
@@ -1576,12 +1600,9 @@ let mathViewer () =
     method show_uri_list ?(reuse=false) ~entry l =
       (self#get_browser reuse)#load entry
 
-    method screenshot status sequent metasenv subst (filename as ofn) =
-       let mathml = 
-         ApplyTransformation.nmml_of_cic_sequent status metasenv subst sequent
-       in
+    method screenshot status sequents metasenv subst (filename as ofn) =
        let w = GWindow.window ~title:"screenshot" () in
-       let width = 600 in
+       let width = 500 in
        let height = 2000 in
        let m = GMathView.math_view 
           ~font_size:!current_font_size ~width ~height
@@ -1589,16 +1610,44 @@ let mathViewer () =
           ~show:true ()
        in
        w#show ();
-       m#load_root ~root:mathml#get_documentElement;
-       let pixmap = m#get_buffer in
-       let pixbuf = GdkPixbuf.create ~width ~height () in
-       GdkPixbuf.get_from_drawable ~dest:pixbuf pixmap;
-       let filename = filename ^ "-raw.png" in
-       GdkPixbuf.save ~filename ~typ:"png" pixbuf;
+       let filenames = 
+        HExtlib.list_mapi
+         (fun (mno,_ as sequent) i ->
+            let mathml = 
+              ApplyTransformation.nmml_of_cic_sequent 
+                status metasenv subst sequent
+            in
+            m#load_root ~root:mathml#get_documentElement;
+            let pixmap = m#get_buffer in
+            let pixbuf = GdkPixbuf.create ~width ~height () in
+            GdkPixbuf.get_from_drawable ~dest:pixbuf pixmap;
+            let filename = 
+              filename ^ "-raw" ^ string_of_int i ^ ".png" 
+            in
+            GdkPixbuf.save ~filename ~typ:"png" pixbuf;
+            filename,mno)
+         sequents
+       in
+       let items = 
+         List.map (fun (x,mno) -> 
+           ignore(Sys.command
+             (Printf.sprintf
+              ("convert "^^
+              " '(' -gravity west -bordercolor grey -border 1 label:%d ')' "^^
+              " '(' -trim -bordercolor white -border 5 "^^
+                " -bordercolor grey -border 1 %s ')' -append %s ")
+              mno
+              (Filename.quote x)
+              (Filename.quote (x ^ ".label.png"))));
+             x ^ ".label.png")
+         filenames
+       in
        ignore(Sys.command (Printf.sprintf 
-         "convert -trim -border 3 -bordercolor white %s %s" 
-         (Filename.quote filename) 
+         "convert %s +append  %s" 
+         (String.concat (" '(' -gravity center -size 10x10 xc: ')' ") items)
          (Filename.quote (ofn ^ ".png")))); 
+       List.iter (fun x,_ -> Sys.remove x) filenames;
+       List.iter Sys.remove items;
        w#destroy ();
   end