1/*
2 * Copyright (C) 2007 Kevin Ollivier  All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "Path.h"
28
29#include "AffineTransform.h"
30#include "FloatPoint.h"
31#include "FloatRect.h"
32#include "NotImplemented.h"
33#include "PlatformString.h"
34#include "StrokeStyleApplier.h"
35
36#include <stdio.h>
37
38#include <wx/defs.h>
39#include <wx/graphics.h>
40
41namespace WebCore {
42
43int getWxWindRuleForWindRule(WindRule rule)
44{
45     if (rule == RULE_EVENODD)
46        return wxODDEVEN_RULE;
47
48    return wxWINDING_RULE;
49}
50
51Path::Path()
52{
53    m_path = 0;
54    // NB: This only supports the 'default' renderer as determined by wx on
55    // each platform. If an app uses a non-default renderer (e.g. Cairo on Win),
56    // there will be problems, but there's no way we can determine which
57    // renderer an app is using right now with wx API, so we will just handle
58    // the common case.
59#if USE(WXGC)
60    wxGraphicsRenderer* renderer = wxGraphicsRenderer::GetDefaultRenderer();
61    if (renderer) {
62        wxGraphicsPath path = renderer->CreatePath();
63        m_path = new wxGraphicsPath(path);
64    }
65#endif
66}
67
68Path::~Path()
69{
70    clear();
71}
72
73Path::Path(const Path& path)
74{
75    m_path = new wxGraphicsPath(*path.m_path);
76}
77
78bool Path::contains(const FloatPoint& point, const WindRule rule) const
79{
80#if USE(WXGC)
81    if (m_path) {
82#if wxCHECK_VERSION(2,9,0)
83        return m_path->Contains(point.x(), point.y(), static_cast<wxPolygonFillMode>(getWxWindRuleForWindRule(rule)));
84#else
85        return m_path->Contains(point.x(), point.y(), getWxWindRuleForWindRule(rule));
86#endif
87    }
88#endif
89    return false;
90}
91
92void Path::translate(const FloatSize&)
93{
94    notImplemented();
95}
96
97FloatRect Path::boundingRect() const
98{
99#if USE(WXGC)
100    if (m_path) {
101        return m_path->GetBox();
102    }
103#endif
104
105    return FloatRect();
106}
107
108FloatRect Path::strokeBoundingRect(StrokeStyleApplier* applier) const
109{
110    notImplemented();
111    return FloatRect();
112}
113
114bool Path::strokeContains(StrokeStyleApplier*, const FloatPoint&) const
115{
116    notImplemented();
117    return false;
118}
119
120Path& Path::operator=(const Path& path)
121{
122    *m_path = *path.platformPath();
123    return *this;
124}
125
126void Path::clear()
127{
128    if (m_path)
129        delete m_path;
130
131#if USE(WXGC)
132    wxGraphicsRenderer* renderer = wxGraphicsRenderer::GetDefaultRenderer();
133    if (renderer) {
134        wxGraphicsPath path = renderer->CreatePath();
135        m_path = new wxGraphicsPath(path);
136    }
137#endif
138}
139
140void Path::moveTo(const FloatPoint& point)
141{
142#if USE(WXGC)
143    if (m_path)
144        m_path->MoveToPoint(point.x(), point.y());
145#endif
146}
147
148void Path::addLineTo(const FloatPoint& point)
149{
150#if USE(WXGC)
151    if (m_path)
152        m_path->AddLineToPoint(point.x(), point.y());
153#endif
154}
155
156void Path::addQuadCurveTo(const FloatPoint& control, const FloatPoint& end)
157{
158#if USE(WXGC)
159    if (m_path)
160        m_path->AddQuadCurveToPoint(control.x(), control.y(), end.x(), end.y());
161#endif
162}
163
164void Path::addBezierCurveTo(const FloatPoint& control1, const FloatPoint& control2, const FloatPoint& end)
165{
166#if USE(WXGC)
167    if (m_path)
168        m_path->AddCurveToPoint(control1.x(), control1.y(), control2.x(), control2.y(), end.x(), end.y());
169#endif
170}
171
172void Path::addArcTo(const FloatPoint& point1, const FloatPoint& point2, float radius)
173{
174#if USE(WXGC)
175    if (m_path)
176        m_path->AddArcToPoint(point1.x(), point1.y(), point2.x(), point2.y(), radius);
177#endif
178}
179
180void Path::closeSubpath()
181{
182#if USE(WXGC)
183    if (m_path)
184        m_path->CloseSubpath();
185#endif
186}
187
188void Path::addArc(const FloatPoint& point, float radius, float startAngle, float endAngle, bool clockwise)
189{
190#if USE(WXGC)
191    if (m_path)
192        m_path->AddArc(point.x(), point.y(), radius, startAngle, endAngle, clockwise);
193#endif
194}
195
196void Path::addRect(const FloatRect& rect)
197{
198#if USE(WXGC)
199    if (m_path)
200        m_path->AddRectangle(rect.x(), rect.y(), rect.width(), rect.height());
201#endif
202}
203
204void Path::addEllipse(const FloatRect& rect)
205{
206#if USE(WXGC)
207    if (m_path)
208        m_path->AddEllipse(rect.x(), rect.y(), rect.width(), rect.height());
209#endif
210}
211
212void Path::transform(const AffineTransform& transform)
213{
214#if USE(WXGC)
215    if (m_path)
216        m_path->Transform(transform);
217#endif
218}
219
220void Path::apply(void* info, PathApplierFunction function) const
221{
222    notImplemented();
223}
224
225bool Path::isEmpty() const
226{
227#if USE(WXGC)
228    if (m_path) {
229        wxDouble x, y, width, height;
230        m_path->GetBox(&x, &y, &width, &height);
231        return (width == 0 && height == 0);
232    }
233#endif
234    return true;
235}
236
237bool Path::hasCurrentPoint() const
238{
239    return !isEmpty();
240}
241
242FloatPoint Path::currentPoint() const
243{
244    // FIXME: return current point of subpath.
245    float quietNaN = std::numeric_limits<float>::quiet_NaN();
246    return FloatPoint(quietNaN, quietNaN);
247}
248
249}
250