/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Netscape Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/NPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is 
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Patrick C. Beard <beard@netscape.com>
 *
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the NPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the NPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "nsISupports.idl"

typedef unsigned long nscolor;
typedef long nscoord;

/**
 * Simplified graphics interface for JS rendering.
 */
[scriptable, uuid(812EAE54-1DD2-11B2-B17B-D0ACC700F975)]
interface nsIGraphics : nsISupports
{
	/**
	 * The color used to paint with.
	 */
	attribute nscolor color;
    
    /**
     * Clipping.
     */
    void clipRect(in nscoord x, in nscoord y, in nscoord width, in nscoord height);
    
    /**
     * Primitives.
     */
    void drawLine(in nscoord x1, in nscoord y1, in nscoord x2, in nscoord y2);

    void drawRect(in nscoord x, in nscoord y, in nscoord width, in nscoord height);
    void fillRect(in nscoord x, in nscoord y, in nscoord width, in nscoord height);
    void invertRect(in nscoord x, in nscoord y, in nscoord width, in nscoord height);

    void drawEllipse(in nscoord x, in nscoord y, in nscoord width, in nscoord height);
    void fillEllipse(in nscoord x, in nscoord y, in nscoord width, in nscoord height);
    void invertEllipse(in nscoord x, in nscoord y, in nscoord width, in nscoord height);

    void drawArc(in nscoord x, in nscoord y, in nscoord width, in nscoord height, in float startAngle, in float endAngle);
    void fillArc(in nscoord x, in nscoord y, in nscoord width, in nscoord height, in float startAngle, in float endAngle);
    void invertArc(in nscoord x, in nscoord y, in nscoord width, in nscoord height, in float startAngle, in float endAngle);

	
    void drawPolygon(in unsigned long count, [array, size_is(count)] in long points);
    void fillPolygon(in unsigned long count, [array, size_is(count)] in long points);
    void invertPolygon(in unsigned long count, [array, size_is(count)] in long points);

	void drawString(in wstring text, in nscoord x, in nscoord y);
	
	void setFont(in wstring name, in nscoord size);
    
	/**
	 * Stack of graphics states.
	 */
    void gsave();
    void grestore();
};