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SVGPaintServerGradientQt.cpp
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1/*
2 Copyright (C) 2006 Nikolas Zimmermann <wildfox@kde.org>
3
4 This file is part of the KDE project
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 aint with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20*/
21
22#include "config.h"
23#include "wtf/Platform.h"
24
25#if ENABLE(SVG)
26#include "SVGPaintServerGradient.h"
27
28/*#include "GraphicsContext.h"*/
29#include "RenderObject.h"
30#include "RenderStyle.h"
31#include "SVGGradientElement.h"
32
33#include <QPainter>
34#include <QPainterPath>
35#include <QColor>
36#include <QGradient>
37
38namespace WebCore {
39
40// Helper function used by linear & radial gradient
41void SVGPaintServerGradient::fillColorArray(QGradient& gradient, const Vector<SVGGradientStop>& stops,
42 float opacity) const
43{
44 kDebug() << stops.size() << endl;
45 for (unsigned i = 0; i < stops.size(); ++i) {
46 float offset = stops[i].first;
47 QColor color = stops[i].second;
48 kDebug() << "offset" << offset << "color" << color << endl;
49
50 QColor c(color.red(), color.green(), color.blue());
51 c.setAlpha(int(color.alpha() * opacity));
52
53 gradient.setColorAt(offset, c);
54 }
55}
56
57bool SVGPaintServerGradient::setup(QPainter* painter, QPainterPath* painterPath, const RenderObject* object,
58 SVGPaintTargetType type, bool isPaintingText) const
59{
60 Q_UNUSED(isPaintingText);
61 kDebug() << "!!!!!!!" << endl;
62 m_ownerElement->buildGradient();
63
64 /*QPainter* painter(context ? context->platformContext() : 0);
65 Q_ASSERT(painter);*/
66
67 /*QPainterPath* path(context ? context->currentPath() : 0);
68 Q_ASSERT(path);*/
69
70 RenderStyle* renderStyle = object->style();
71
72 QGradient gradient = setupGradient(painter, painterPath, object);
73
74 painter->setPen(Qt::NoPen);
75 painter->setBrush(Qt::NoBrush);
76
77 if (spreadMethod() == SPREADMETHOD_REPEAT)
78 gradient.setSpread(QGradient::RepeatSpread);
79 else if (spreadMethod() == SPREADMETHOD_REFLECT)
80 gradient.setSpread(QGradient::ReflectSpread);
81 else
82 gradient.setSpread(QGradient::PadSpread);
83 double opacity = 1.0;
84
85 kDebug() << "type: " << type << (type & ApplyToFillTargetType) << endl;
86 if ((type & ApplyToFillTargetType) && renderStyle->svgStyle()->hasFill()) {
87 fillColorArray(gradient, gradientStops(), opacity);
88
89 QBrush brush(gradient);
90 brush.setMatrix(gradientTransform());
91
92 painter->setBrush(brush);
93 /* FIXME khtml context->setFillRule(renderStyle->svgStyle()->fillRule());*/
94 }
95
96 if ((type & ApplyToStrokeTargetType) && renderStyle->svgStyle()->hasStroke()) {
97 fillColorArray(gradient, gradientStops(), opacity);
98
99 QPen pen;
100 QBrush brush(gradient);
101 brush.setMatrix(gradientTransform());
102
103 setPenProperties(object, renderStyle, pen);
104 pen.setBrush(brush);
105
106 painter->setPen(pen);
107 }
108
109 return true;
110}
111
112} // namespace WebCore
113
114#endif
115
116// vim:ts=4
RenderObject.h
RenderStyle.h
SVGGradientElement.h
SVGPaintServerGradient.h
kDebug
#define kDebug
WebCore
Definition: CSSHelper.h:7
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