1/*
2 * Copyright (C) 2006, 2007, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
3 * Copyright (C) 2012, 2013 Adobe Systems Incorporated. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
16 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
20 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
22 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
24 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
25 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "ExceptionOr.h"
32#include "Path.h"
33
34namespace WebCore {
35
36class CanvasPath {
37public:
38 virtual ~CanvasPath() = default;
39
40 void closePath();
41 void moveTo(float x, float y);
42 void lineTo(float x, float y);
43 void quadraticCurveTo(float cpx, float cpy, float x, float y);
44 void bezierCurveTo(float cp1x, float cp1y, float cp2x, float cp2y, float x, float y);
45 ExceptionOr<void> arcTo(float x0, float y0, float x1, float y1, float radius);
46 ExceptionOr<void> arc(float x, float y, float r, float sa, float ea, bool anticlockwise);
47 ExceptionOr<void> ellipse(float x, float y, float radiusX, float radiusY, float rotation, float startAngle, float endAngled, bool anticlockwise);
48 void rect(float x, float y, float width, float height);
49
50 float currentX() const;
51 float currentY() const;
52
53protected:
54 CanvasPath() = default;
55 CanvasPath(const Path& path)
56 : m_path(path)
57 { }
58
59 virtual bool hasInvertibleTransform() const { return true; }
60
61 void lineTo(FloatPoint);
62
63 Path m_path;
64};
65
66}
67