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 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#include "config.h"
25
26#include "core/svg/SVGPathSegListBuilder.h"
27
28#include "core/dom/ExceptionCode.h"
29#include "core/svg/SVGPathElement.h"
30#include "core/svg/SVGPathSegArcAbs.h"
31#include "core/svg/SVGPathSegArcRel.h"
32#include "core/svg/SVGPathSegClosePath.h"
33#include "core/svg/SVGPathSegCurvetoCubicAbs.h"
34#include "core/svg/SVGPathSegCurvetoCubicRel.h"
35#include "core/svg/SVGPathSegCurvetoCubicSmoothAbs.h"
36#include "core/svg/SVGPathSegCurvetoCubicSmoothRel.h"
37#include "core/svg/SVGPathSegCurvetoQuadraticAbs.h"
38#include "core/svg/SVGPathSegCurvetoQuadraticRel.h"
39#include "core/svg/SVGPathSegCurvetoQuadraticSmoothAbs.h"
40#include "core/svg/SVGPathSegCurvetoQuadraticSmoothRel.h"
41#include "core/svg/SVGPathSegLinetoAbs.h"
42#include "core/svg/SVGPathSegLinetoHorizontalAbs.h"
43#include "core/svg/SVGPathSegLinetoHorizontalRel.h"
44#include "core/svg/SVGPathSegLinetoRel.h"
45#include "core/svg/SVGPathSegLinetoVerticalAbs.h"
46#include "core/svg/SVGPathSegLinetoVerticalRel.h"
47#include "core/svg/SVGPathSegMovetoAbs.h"
48#include "core/svg/SVGPathSegMovetoRel.h"
49
50namespace blink {
51
52SVGPathSegListBuilder::SVGPathSegListBuilder()
53    : m_pathElement(0)
54    , m_pathSegList(nullptr)
55{
56}
57
58void SVGPathSegListBuilder::moveTo(const FloatPoint& targetPoint, bool, PathCoordinateMode mode)
59{
60    ASSERT(m_pathElement);
61    ASSERT(m_pathSegList);
62    if (mode == AbsoluteCoordinates)
63        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegMovetoAbs::create(m_pathElement, targetPoint.x(), targetPoint.y()));
64    else
65        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegMovetoRel::create(m_pathElement, targetPoint.x(), targetPoint.y()));
66}
67
68void SVGPathSegListBuilder::lineTo(const FloatPoint& targetPoint, PathCoordinateMode mode)
69{
70    ASSERT(m_pathElement);
71    ASSERT(m_pathSegList);
72    if (mode == AbsoluteCoordinates)
73        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoAbs::create(m_pathElement, targetPoint.x(), targetPoint.y()));
74    else
75        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoRel::create(m_pathElement, targetPoint.x(), targetPoint.y()));
76}
77
78void SVGPathSegListBuilder::lineToHorizontal(float x, PathCoordinateMode mode)
79{
80    ASSERT(m_pathElement);
81    ASSERT(m_pathSegList);
82    if (mode == AbsoluteCoordinates)
83        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoHorizontalAbs::create(m_pathElement, x));
84    else
85        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoHorizontalRel::create(m_pathElement, x));
86}
87
88void SVGPathSegListBuilder::lineToVertical(float y, PathCoordinateMode mode)
89{
90    ASSERT(m_pathElement);
91    ASSERT(m_pathSegList);
92    if (mode == AbsoluteCoordinates)
93        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoVerticalAbs::create(m_pathElement, y));
94    else
95        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegLinetoVerticalRel::create(m_pathElement, y));
96}
97
98void SVGPathSegListBuilder::curveToCubic(const FloatPoint& point1, const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
99{
100    ASSERT(m_pathElement);
101    ASSERT(m_pathSegList);
102    if (mode == AbsoluteCoordinates)
103        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoCubicAbs::create(m_pathElement, targetPoint.x(), targetPoint.y(), point1.x(), point1.y(), point2.x(), point2.y()));
104    else
105        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoCubicRel::create(m_pathElement, targetPoint.x(), targetPoint.y(), point1.x(), point1.y(), point2.x(), point2.y()));
106}
107
108void SVGPathSegListBuilder::curveToCubicSmooth(const FloatPoint& point2, const FloatPoint& targetPoint, PathCoordinateMode mode)
109{
110    ASSERT(m_pathElement);
111    ASSERT(m_pathSegList);
112    if (mode == AbsoluteCoordinates)
113        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoCubicSmoothAbs::create(m_pathElement, targetPoint.x(), targetPoint.y(), point2.x(), point2.y()));
114    else
115        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoCubicSmoothRel::create(m_pathElement, targetPoint.x(), targetPoint.y(), point2.x(), point2.y()));
116}
117
118void SVGPathSegListBuilder::curveToQuadratic(const FloatPoint& point1, const FloatPoint& targetPoint, PathCoordinateMode mode)
119{
120    ASSERT(m_pathElement);
121    ASSERT(m_pathSegList);
122    if (mode == AbsoluteCoordinates)
123        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoQuadraticAbs::create(m_pathElement, targetPoint.x(), targetPoint.y(), point1.x(), point1.y()));
124    else
125        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoQuadraticRel::create(m_pathElement, targetPoint.x(), targetPoint.y(), point1.x(), point1.y()));
126}
127
128void SVGPathSegListBuilder::curveToQuadraticSmooth(const FloatPoint& targetPoint, PathCoordinateMode mode)
129{
130    ASSERT(m_pathElement);
131    ASSERT(m_pathSegList);
132    if (mode == AbsoluteCoordinates)
133        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoQuadraticSmoothAbs::create(m_pathElement, targetPoint.x(), targetPoint.y()));
134    else
135        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegCurvetoQuadraticSmoothRel::create(m_pathElement, targetPoint.x(), targetPoint.y()));
136}
137
138void SVGPathSegListBuilder::arcTo(float r1, float r2, float angle, bool largeArcFlag, bool sweepFlag, const FloatPoint& targetPoint, PathCoordinateMode mode)
139{
140    ASSERT(m_pathElement);
141    ASSERT(m_pathSegList);
142    if (mode == AbsoluteCoordinates)
143        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegArcAbs::create(m_pathElement, targetPoint.x(), targetPoint.y(), r1, r2, angle, largeArcFlag, sweepFlag));
144    else
145        m_pathSegList->appendWithoutByteStreamSync(SVGPathSegArcRel::create(m_pathElement, targetPoint.x(), targetPoint.y(), r1, r2, angle, largeArcFlag, sweepFlag));
146}
147
148void SVGPathSegListBuilder::closePath()
149{
150    ASSERT(m_pathElement);
151    ASSERT(m_pathSegList);
152    m_pathSegList->appendWithoutByteStreamSync(SVGPathSegClosePath::create(m_pathElement));
153}
154
155}
156