------------------------------------------------------------------------------
-- GtkAda - Ada95 binding for Gtk+/Gnome --
-- --
-- Copyright (C) 2010-2014, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify it --
-- under terms of the GNU General Public License as published by the Free --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception, --
-- version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
------------------------------------------------------------------------------
-- <description>
-- Interfacing between Gdk and Cairo.
-- </description>
--
-- <c_version>2.16.6</c_version>
-- <group>Cairo</group>
with Glib; use Glib;
with Cairo; use Cairo;
with Gdk.Color; use Gdk.Color;
with Gdk.Pixbuf; use Gdk.Pixbuf;
with Gdk.RGBA; use Gdk.RGBA;
package Gdk.Cairo is
function Create (Window : Gdk.Gdk_Window) return Cairo_Context;
-- Creates a Cairo context for drawing to Drawable.
--
-- Note that due to double-buffering, Cairo contexts created
-- in a GTK+ expose event handler cannot be cached and reused
-- between different expose events.
--
-- Returns a newly created Cairo context. The result should be freed with
-- Cairo.Destroy.
procedure Set_Source_Pixbuf
(Cr : Cairo_Context;
Pixbuf : Gdk_Pixbuf;
Pixbuf_X : Gdouble;
Pixbuf_Y : Gdouble);
-- Cr: a Cairo_Context
-- Pixbuf: a Gdk_Pixbuf
-- Pixbuf_X: X coordinate of location to place upper left corner of Pixbuf
-- Pixbuf_Y: Y coordinate of location to place upper left corner of Pixbuf
--
-- Sets the given pixbuf as the source pattern for the Cairo context.
-- The pattern has an extend mode of CAIRO_EXTEND_NONE and is aligned
-- so that the origin of Pixbuf is Pixbuf_X, Pixbuf_Y
procedure Set_Source_Color
(Cr : Cairo_Context;
Color : Gdk_Color);
procedure Set_Source_RGBA
(Cr : Cairo_Context;
Color : Gdk.RGBA.Gdk_RGBA);
-- Set the specified Color as the source of Cr.
private
pragma Import (C, Set_Source_Color, "gdk_cairo_set_source_color");
end Gdk.Cairo;