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RenderPathQt.cpp
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1/*
2 Copyright (C) 2004, 2005, 2006 Nikolas Zimmermann <wildfox@kde.org>
3 2004, 2005, 2006 Rob Buis <buis@kde.org>
4 2005 Eric Seidel <eric.seidel@kdemail.net>
5
6 This file is part of the KDE project
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 aint 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#include "RenderPath.h"
26#include "SVGRenderStyle.h"
27#include "SVGPaintServer.h"
28
29#include <QDebug>
30#include <QPainterPathStroker>
31
32namespace WebCore {
33
34bool RenderPath::strokeContains(const FloatPoint& point, bool requiresStroke) const
35{
36 if (path().isEmpty())
37 return false;
38
39 if (requiresStroke && !SVGPaintServer::strokePaintServer(style(), this))
40 return false;
41
42 return false;
43}
44
45static QPainterPath getPathStroke(const QPainterPath &path, const RenderObject* object, const RenderStyle* style)
46{
47 QPainterPathStroker s;
48 s.setWidth(SVGRenderStyle::cssPrimitiveToLength(object, style->svgStyle()->strokeWidth(), 1.0));
49
50 if (style->svgStyle()->capStyle() == ButtCap)
51 s.setCapStyle(Qt::FlatCap);
52 else if (style->svgStyle()->capStyle() == RoundCap)
53 s.setCapStyle(Qt::RoundCap);
54
55 if (style->svgStyle()->joinStyle() == MiterJoin) {
56 s.setJoinStyle(Qt::MiterJoin);
57 s.setMiterLimit((qreal) style->svgStyle()->strokeMiterLimit());
58 } else if(style->svgStyle()->joinStyle() == RoundJoin)
59 s.setJoinStyle(Qt::RoundJoin);
60
61 const DashArray& dashes = WebCore::dashArrayFromRenderingStyle(style);
62 double dashOffset = SVGRenderStyle::cssPrimitiveToLength(object, style->svgStyle()->strokeDashOffset(), 0.0);
63
64 unsigned int dashLength = !dashes.isEmpty() ? dashes.size() : 0;
65 if(dashLength) {
66 QVector<qreal> pattern;
67 unsigned int count = (dashLength % 2) == 0 ? dashLength : dashLength * 2;
68
69 for(unsigned int i = 0; i < count; i++)
70 pattern.append(dashes[i % dashLength] / (float)s.width());
71
72 s.setDashPattern(pattern);
73
74 Q_UNUSED(dashOffset);
75 // TODO: dash-offset, does/will qt4 API allow it? (Rob)
76 }
77
78 return s.createStroke(path);
79}
80
81FloatRect RenderPath::strokeBBox() const
82{
83 QPainterPath outline = getPathStroke(*(path().platformPath()), this, style());
84 return outline.boundingRect();
85}
86
87}
88
89// vim:ts=4:noet
SVGPaintServer.h
QVector
Definition: khtmlview.h:36
pattern
QString pattern(Mode mode=Reading)
WebCore
Definition: CSSHelper.h:7
WebCore::getPathStroke
static QPainterPath getPathStroke(const QPainterPath &path, const RenderObject *object, const RenderStyle *style)
Definition: RenderPathQt.cpp:45
khtml::ButtCap
@ ButtCap
Definition: GraphicsTypes.h:56
khtml::RoundCap
@ RoundCap
Definition: GraphicsTypes.h:56
khtml::MiterJoin
@ MiterJoin
Definition: GraphicsTypes.h:58
khtml::RoundJoin
@ RoundJoin
Definition: GraphicsTypes.h:58
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