scriptable interface for graphics. r=pavlov

gfx/idl/nsIGraphics.idl

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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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 Netscape are
+ * Copyright (C) 1998 Netscape Communications Corporation. All
+ * Rights Reserved.
+ *
+ * Contributor(s):
+ *   Patrick C. Beard <beard@netscape.com>
+ */
+
+#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 long count, [array, size_is(count)] in long points);
+    void fillPolygon(in long count, [array, size_is(count)] in long points);
+    void invertPolygon(in 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();
+};