1 /*

     2  * Copyright (C) 2002, 2003 The Karbon Developers

     3  *               2006       Alexander Kellett <lypanov@kde.org>

     4  *               2006, 2007 Rob Buis <buis@kde.org>

     5  * Copyrigth (C) 2007, 2009 Apple, Inc.  All rights reserved.

     6  * Copyright (C) Research In Motion Limited 2010. All rights reserved.

     7  *

     8  * This library is free software; you can redistribute it and/or

     9  * modify it under the terms of the GNU Library General Public

    10  * License as published by the Free Software Foundation; either

    11  * version 2 of the License, or (at your option) any later version.

    12  *

    13  * This library is distributed in the hope that it will be useful,

    14  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    16  * Library General Public License for more details.

    17  *

    18  * You should have received a copy of the GNU Library General Public License

    19  * along with this library; see the file COPYING.LIB.  If not, write to

    20  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,

    21  * Boston, MA 02110-1301, USA.

    22  *

    23  */

    24 

    25 #ifndef SVGPathConsumer_h

    26 #define SVGPathConsumer_h

    27 

    28 #if ENABLE(SVG)

    29 #include "FloatPoint.h"

    30 

    31 namespace WebCore {

    32 

    33 enum PathCoordinateMode {

    34     AbsoluteCoordinates,

    35     RelativeCoordinates

    36 };

    37 

    38 enum PathParsingMode {

    39     NormalizedParsing,

    40     UnalteredParsing

    41 };

    42 

    43 class SVGPathConsumer {

    44 public:

    45     // Used in UnalteredParisng/NormalizedParsing modes.

    46     virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0;

    47     virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0;

    48     virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    49     virtual void closePath() = 0;

    50 

    51 public:

    52     // Only used in UnalteredParsing mode.

    53     virtual void lineToHorizontal(float, PathCoordinateMode) = 0;

    54     virtual void lineToVertical(float, PathCoordinateMode) = 0;

    55     virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    56     virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0;

    57     virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) = 0;

    58     virtual void arcTo(const FloatPoint&, float, float, float, bool largeArcFlag, bool sweepFlag, PathCoordinateMode) = 0;

    59 

    60 protected:

    61     SVGPathConsumer() { }

    62     virtual ~SVGPathConsumer() { }

    63 };

    64 

    65 } // namespace WebCore

    66 

    67 #endif // ENABLE(SVG)

    68 #endif // SVGPathConsumer_h