summaryrefslogtreecommitdiffstats
path: root/WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp
diff options
context:
space:
mode:
authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 19:30:52 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 19:30:52 -0800
commit8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch)
tree11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp
parent648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff)
downloadexternal_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.zip
external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.gz
external_webkit-8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2.tar.bz2
auto import from //depot/cupcake/@135843
Diffstat (limited to 'WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp')
-rw-r--r--WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp110
1 files changed, 110 insertions, 0 deletions
diff --git a/WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp b/WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp
new file mode 100644
index 0000000..113f9a7
--- /dev/null
+++ b/WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp
@@ -0,0 +1,110 @@
+/*
+ Copyright (C) 2006 Nikolas Zimmermann <wildfox@kde.org>
+
+ This file is part of the KDE project
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public License
+ aint with this library; see the file COPYING.LIB. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+
+#if ENABLE(SVG)
+#include "SVGPaintServerGradient.h"
+
+#include "GraphicsContext.h"
+#include "RenderObject.h"
+#include "RenderStyle.h"
+#include "SVGGradientElement.h"
+
+#include <QPainter>
+#include <QPainterPath>
+#include <QColor>
+#include <QGradient>
+
+namespace WebCore {
+
+// Helper function used by linear & radial gradient
+void SVGPaintServerGradient::fillColorArray(QGradient& gradient, const Vector<SVGGradientStop>& stops,
+ float opacity) const
+{
+ for (unsigned i = 0; i < stops.size(); ++i) {
+ float offset = stops[i].first;
+ Color color = stops[i].second;
+
+ QColor c(color.red(), color.green(), color.blue());
+ c.setAlpha(int(color.alpha() * opacity));
+
+ gradient.setColorAt(offset, c);
+ }
+}
+
+bool SVGPaintServerGradient::setup(GraphicsContext*& context, const RenderObject* object,
+ SVGPaintTargetType type, bool isPaintingText) const
+{
+ m_ownerElement->buildGradient();
+
+ QPainter* painter(context ? context->platformContext() : 0);
+ Q_ASSERT(painter);
+
+ QPainterPath* path(context ? context->currentPath() : 0);
+ Q_ASSERT(path);
+
+ const SVGRenderStyle* svgStyle = object->style()->svgStyle();
+ RenderStyle* style = object->style();
+
+ QGradient gradient = setupGradient(context, object);
+
+ painter->setPen(Qt::NoPen);
+ painter->setBrush(Qt::NoBrush);
+
+ if (spreadMethod() == SpreadMethodRepeat)
+ gradient.setSpread(QGradient::RepeatSpread);
+ else if (spreadMethod() == SpreadMethodReflect)
+ gradient.setSpread(QGradient::ReflectSpread);
+ else
+ gradient.setSpread(QGradient::PadSpread);
+ double opacity = 1.0;
+
+ if ((type & ApplyToFillTargetType) && svgStyle->hasFill()) {
+ fillColorArray(gradient, gradientStops(), opacity);
+
+ QBrush brush(gradient);
+ brush.setMatrix(gradientTransform());
+
+ painter->setBrush(brush);
+ context->setFillRule(svgStyle->fillRule());
+ }
+
+ if ((type & ApplyToStrokeTargetType) && svgStyle->hasStroke()) {
+ fillColorArray(gradient, gradientStops(), opacity);
+
+ QPen pen;
+ QBrush brush(gradient);
+ brush.setMatrix(gradientTransform());
+ pen.setBrush(brush);
+ painter->setPen(pen);
+
+ applyStrokeStyleToContext(context, style, object);
+ }
+
+ return true;
+}
+
+} // namespace WebCore
+
+#endif
+
+// vim:ts=4:noet