1 | /* |
2 | * Copyright (C) 2002, 2003 The Karbon Developers |
3 | * Copyright (C) 2006 Alexander Kellett <lypanov@kde.org> |
4 | * Copyright (C) 2006, 2007 Rob Buis <buis@kde.org> |
5 | * Copyright (C) 2007, 2009, 2015 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 | #pragma once |
25 | |
26 | #include "FloatPoint.h" |
27 | #include <wtf/FastMalloc.h> |
28 | #include <wtf/Noncopyable.h> |
29 | |
30 | namespace WebCore { |
31 | |
32 | enum PathCoordinateMode { |
33 | AbsoluteCoordinates, |
34 | RelativeCoordinates |
35 | }; |
36 | |
37 | enum PathParsingMode { |
38 | NormalizedParsing, |
39 | UnalteredParsing |
40 | }; |
41 | |
42 | class SVGPathConsumer { |
43 | WTF_MAKE_NONCOPYABLE(SVGPathConsumer); WTF_MAKE_FAST_ALLOCATED; |
44 | public: |
45 | SVGPathConsumer() = default; |
46 | virtual void incrementPathSegmentCount() = 0; |
47 | virtual bool continueConsuming() = 0; |
48 | |
49 | // Used in UnalteredParsing/NormalizedParsing modes. |
50 | virtual void moveTo(const FloatPoint&, bool closed, PathCoordinateMode) = 0; |
51 | virtual void lineTo(const FloatPoint&, PathCoordinateMode) = 0; |
52 | virtual void curveToCubic(const FloatPoint&, const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0; |
53 | virtual void closePath() = 0; |
54 | |
55 | // Only used in UnalteredParsing mode. |
56 | virtual void lineToHorizontal(float, PathCoordinateMode) = 0; |
57 | virtual void lineToVertical(float, PathCoordinateMode) = 0; |
58 | virtual void curveToCubicSmooth(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0; |
59 | virtual void curveToQuadratic(const FloatPoint&, const FloatPoint&, PathCoordinateMode) = 0; |
60 | virtual void curveToQuadraticSmooth(const FloatPoint&, PathCoordinateMode) = 0; |
61 | virtual void arcTo(float, float, float, bool largeArcFlag, bool sweepFlag, const FloatPoint&, PathCoordinateMode) = 0; |
62 | |
63 | protected: |
64 | virtual ~SVGPathConsumer() = default; |
65 | }; |
66 | |
67 | } // namespace WebCore |
68 | |