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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla 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/MPL/
- *
- * 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 the Mozilla SVG project.
- *
- * The Initial Developer of the Original Code is IBM Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2005
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of 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 MPL, 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 MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #ifndef NS_SVGUTILS_H
- #define NS_SVGUTILS_H
-
- // Need this to get nsPresContext
- #include "nsContentUtils.h"
-
- class nsPresContext;
- class nsIContent;
- class nsStyleCoord;
- class nsIFrame;
- struct nsStyleSVGPaint;
-
- class nsSVGUtils
- {
- public:
- /* Checks the svg enable preference and if a renderer could
- * successfully be created.
- */
- static PRBool SVGEnabled();
-
- /*
- * Converts a nsStyleCoord into a userspace value. Handles units
- * Factor (straight userspace), Coord (dimensioned), and Percent (of
- * the current SVG viewport)
- */
- static float CoordToFloat(nsPresContext *aPresContext, nsIContent *aContent,
- const nsStyleCoord &aCoord);
- /*
- * Gets an internal frame for an element referenced by a URI. Note that this
- * only works for URIs that reference elements within the same document.
- */
- static nsresult GetReferencedFrame(nsIFrame **aRefFrame, nsCAutoString& uriSpec,
- nsIContent *aContent,
- nsIPresShell *aPresShell);
- /*
- * For SVGPaint attributes (fills, strokes), return the type of the Paint. This
- * is an expanded type that includes whether this is a solid fill, a gradient, or
- * a pattern.
- */
- static nsresult GetPaintType(PRUint16 *aPaintType, const nsStyleSVGPaint& aPaint,
- nsIContent *aContent, nsIPresShell *aPresShell);
- };
-
- #endif
-