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author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
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committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-03 19:30:52 -0800 |
commit | 8e35f3cfc7fba1d1c829dc557ebad6409cbe16a2 (patch) | |
tree | 11425ea0b299d6fb89c6d3618a22d97d5bf68d0f /WebCore/svg/graphics/qt/SVGPaintServerGradientQt.cpp | |
parent | 648161bb0edfc3d43db63caed5cc5213bc6cb78f (diff) | |
download | external_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.cpp | 110 |
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 |