## Documentation

Table of Contents
Class Inheritance Tree
Widget Screenshots
Package groups

1.     -----------------------------------------------------------------------

2.     --               GtkAda - Ada95 binding for Gtk+/Gnome               --

3.     --                                                                   --

4.     --                 Copyright (C) 2010-2011, AdaCore                  --

5.     --                                                                   --

6.     -- This library is free software; you can redistribute it and/or     --

7.     -- modify it under the terms of the GNU General Public               --

8.     -- License as published by the Free Software Foundation; either      --

9.     -- version 2 of the License, or (at your option) any later version.  --

10.     --                                                                   --

11.     -- This library is distributed in the hope that it will be useful,   --

12.     -- but WITHOUT ANY WARRANTY; without even the implied warranty of    --

13.     -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU --

14.     -- General Public License for more details.                          --

15.     --                                                                   --

16.     -- You should have received a copy of the GNU General Public         --

17.     -- License along with this library; if not, write to the             --

18.     -- Free Software Foundation, Inc., 59 Temple Place - Suite 330,      --

19.     -- Boston, MA 02111-1307, USA.                                       --

20.     --                                                                   --

21.     -- As a special exception, if other files instantiate generics from  --

22.     -- this unit, or you link this unit with other files to produce an   --

23.     -- executable, this  unit  does not  by itself cause  the resulting  --

24.     -- executable to be covered by the GNU General Public License. This  --

25.     -- exception does not however invalidate any other reasons why the   --

26.     -- executable file  might be covered by the  GNU Public License.     --

27.     -----------------------------------------------------------------------

29.     --  <description>

30.     --  Interfacing between Gdk and Cairo.

31.     --  </description>

32.     --

33.     --  <c_version>2.16.6</c_version>

34.     --  <group>Cairo</group>

36.     with GlibTo API docTo specTo body;         use GlibTo API docTo specTo body;

37.     with CairoTo API docTo specTo body;        use CairoTo API docTo specTo body;

38.     with Gdk.ColorTo API docTo specTo body;    use Gdk.ColorTo API docTo specTo body;

39.     with Gdk.PixbufTo API docTo specTo body;   use Gdk.PixbufTo API docTo specTo body;

41.     package Gdk.CairoTo API docTo specTo body is

43.        function CreateTo API docTo body (Drawable : Gdk_DrawableTo API docTo spec) return Cairo_ContextTo API docTo spec;

44.        --  Creates a Cairo context for drawing to Drawable.

45.        --

46.        --  Note that due to double-buffering, Cairo contexts created

47.        --  in a GTK+ expose event handler cannot be cached and reused

48.        --  between different expose events.

49.        --

50.        --  Returns a newly created Cairo context. The result should be freed with

51.        --  Cairo.Destroy.

53.        procedure Set_Source_PixmapTo API docTo body

54.          (Cr       : Cairo_ContextTo API docTo spec;

55.           Pixmap   : Gdk_DrawableTo API docTo spec;

56.           Pixmap_X : GdoubleTo API docTo spec;

57.           Pixmap_Y : GdoubleTo API docTo spec);

58.        --  Cr: a Cairo_Context

59.        --  Pixmap: a Gdk_Pixmap

60.        --  Pixmap_X: X coordinate of location to place upper left corner of Pixmap

61.        --  Pixmap_Y: Y coordinate of location to place upper left corner of Pixmap

62.        --

63.        --  Sets the given pixmap as the source pattern for the Cairo context.

64.        --  The pattern has an extend mode of CAIRO_EXTEND_NONE and is aligned

65.        --  so that the origin of Pixmap is Pixmap_X, Pixmap_Y

67.        procedure Set_Source_PixbufTo API docTo body

68.          (Cr       : Cairo_ContextTo API docTo spec;

69.           Pixbuf   : Gdk_PixbufTo API docTo spec;

70.           Pixbuf_X : GdoubleTo API docTo spec;

71.           Pixbuf_Y : GdoubleTo API docTo spec);

72.        --  Cr: a Cairo_Context

73.        --  Pixbuf: a Gdk_Pixbuf

74.        --  Pixbuf_X: X coordinate of location to place upper left corner of Pixbuf

75.        --  Pixbuf_Y: Y coordinate of location to place upper left corner of Pixbuf

76.        --

77.        --  Sets the given pixbuf as the source pattern for the Cairo context.

78.        --  The pattern has an extend mode of CAIRO_EXTEND_NONE and is aligned

79.        --  so that the origin of Pixbuf is Pixbuf_X, Pixbuf_Y

81.        procedure Set_Source_ColorTo API docTo body

82.          (Cr       : Cairo_ContextTo API docTo spec;

83.           Color    : Gdk_ColorTo API docTo specTo body);

84.        --  Set the specified Color as the source of Cr.

86.     private

87.        pragma Import (C, Set_Source_PixmapTo API docTo spec, "gdk_cairo_set_source_pixmap");

88.        pragma Import (C, Set_Source_ColorTo API docTo spec, "gdk_cairo_set_source_color");

89.     end Gdk.CairoTo API docTo specTo body;