1. ----------------------------------------------------------------------- 
  2. --               GtkAda - Ada95 binding for Gtk+/Gnome               -- 
  3. --                                                                   -- 
  4. --      Copyright (C) 2000 E. Briot, J. Brobecker and A. Charlet     -- 
  5. --                Copyright (C) 2000-2006 AdaCore                    -- 
  6. --                                                                   -- 
  7. -- This library is free software; you can redistribute it and/or     -- 
  8. -- modify it under the terms of the GNU General Public               -- 
  9. -- License as published by the Free Software Foundation; either      -- 
  10. -- version 2 of the License, or (at your option) any later version.  -- 
  11. --                                                                   -- 
  12. -- This library is distributed in the hope that it will be useful,   -- 
  13. -- but WITHOUT ANY WARRANTY; without even the implied warranty of    -- 
  14. -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU -- 
  15. -- General Public License for more details.                          -- 
  16. --                                                                   -- 
  17. -- You should have received a copy of the GNU General Public         -- 
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  19. -- Free Software Foundation, Inc., 59 Temple Place - Suite 330,      -- 
  20. -- Boston, MA 02111-1307, USA.                                       -- 
  21. --                                                                   -- 
  22. -- As a special exception, if other files instantiate generics from  -- 
  23. -- this unit, or you link this unit with other files to produce an   -- 
  24. -- executable, this  unit  does not  by itself cause  the resulting  -- 
  25. -- executable to be covered by the GNU General Public License. This  -- 
  26. -- exception does not however invalidate any other reasons why the   -- 
  27. -- executable file  might be covered by the  GNU Public License.     -- 
  28. ----------------------------------------------------------------------- 
  29.  
  30. --  <description> 
  31. --  This special type of data set displays itself in polar coordinates. 
  32. --  </description> 
  33. --  <c_version>gtkextra 2.1.1</c_version> 
  34. --  <group>Plotting Data</group> 
  35.  
  36. with Gtk.Extra.Plot; 
  37. with Gdk.Drawable; 
  38.  
  39. package Gtk.Extra.Plot_Polar is 
  40.  
  41.    type Gtk_Plot_Polar_Record is new Gtk.Extra.Plot.Gtk_Plot_Record 
  42.      with private; 
  43.    type Gtk_Plot_Polar is access all Gtk_Plot_Polar_Record'Class; 
  44.  
  45.    procedure Gtk_New 
  46.      (Polar         : out Gtk_Plot_Polar; 
  47.       Drawable      : Gdk.Drawable.Gdk_Drawable := null; 
  48.       Width, Height : Gdouble := 0.0); 
  49.    --  Create a new polar plot. 
  50.    --  If Width and Height are 0, they are left unspecified when calling the 
  51.    --  C function. 
  52.  
  53.    procedure Initialize 
  54.      (Polar         : access Gtk_Plot_Polar_Record'Class; 
  55.       Drawable      : Gdk.Drawable.Gdk_Drawable; 
  56.       Width, Height : Gdouble := 0.0); 
  57.    --  Internal initialization function. 
  58.    --  See the section "Creating your own widgets" in the documentation. 
  59.  
  60.    function Get_Type return Gtk.Gtk_Type; 
  61.    --  Return the internal value associated with a Gtk_Box 
  62.  
  63.    procedure Rotate (Polar : access Gtk_Plot_Polar_Record; Angle : Gdouble); 
  64.    --  Rotate the graph by a given amount of radians. 
  65.  
  66.    function Get_Angle (Polar : access Gtk_Plot_Polar_Record) return Gdouble; 
  67.    --  Return the current angle for the polar plot 
  68.  
  69. private 
  70.    type Gtk_Plot_Polar_Record is new Gtk.Extra.Plot.Gtk_Plot_Record 
  71.      with null record; 
  72.    pragma Import (C, Get_Type, "gtk_plot_polar_get_type"); 
  73. end Gtk.Extra.Plot_Polar;