multi screenshot

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

diff --git a/helm/software/matita/matitaMathView.ml b/helm/software/matita/matitaMathView.ml
index ad0a66294db314ff2ac47be9c59e45b2ee9df6ea..f772a84ed4b85e44eb835013d8270979ecff20fc 100644 (file)
--- a/helm/software/matita/matitaMathView.ml
+++ b/helm/software/matita/matitaMathView.ml
@@ -1576,10 +1576,7 @@ 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 height = 2000 in
@@ -1589,16 +1586,39 @@ 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 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)
+         sequents
+       in
+       let items = 
+         List.map (fun x -> 
+           Printf.sprintf 
+             " '(' -trim -border 3 -bordercolor white %s ')' "
+             (Filename.quote x))
+         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 9x150 xc: "^
+         "-draw \"line 5,0 5,48\" "^
+         "-draw \"line 5,52 5,98\" " ^
+         "-draw \"line 5,102 5,150\" " ^ " ')'") items)
          (Filename.quote (ofn ^ ".png")))); 
+       List.iter Sys.remove filenames;
        w#destroy ();
   end