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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/SVGFEDisplacementMapElement.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/SVGFEDisplacementMapElement.cpp')
-rw-r--r-- | WebCore/svg/SVGFEDisplacementMapElement.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/WebCore/svg/SVGFEDisplacementMapElement.cpp b/WebCore/svg/SVGFEDisplacementMapElement.cpp new file mode 100644 index 0000000..3b6dfbf --- /dev/null +++ b/WebCore/svg/SVGFEDisplacementMapElement.cpp @@ -0,0 +1,102 @@ +/* + Copyright (C) 2006 Oliver Hunt <oliver@nerget.com> + + 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 + along 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) && ENABLE(SVG_FILTERS) +#include "SVGFEDisplacementMapElement.h" + +#include "SVGResourceFilter.h" + +namespace WebCore { + +SVGFEDisplacementMapElement::SVGFEDisplacementMapElement(const QualifiedName& tagName, Document* doc) + : SVGFilterPrimitiveStandardAttributes(tagName, doc) + , m_in1(this, SVGNames::inAttr) + , m_in2(this, SVGNames::in2Attr) + , m_xChannelSelector(this, SVGNames::xChannelSelectorAttr, CHANNEL_A) + , m_yChannelSelector(this, SVGNames::yChannelSelectorAttr, CHANNEL_A) + , m_scale(this, SVGNames::scaleAttr) + , m_filterEffect(0) +{ +} + +SVGFEDisplacementMapElement::~SVGFEDisplacementMapElement() +{ +} + +ChannelSelectorType SVGFEDisplacementMapElement::stringToChannel(const String& key) +{ + if (key == "R") + return CHANNEL_R; + else if (key == "G") + return CHANNEL_G; + else if (key == "B") + return CHANNEL_B; + else if (key == "A") + return CHANNEL_A; + + return CHANNEL_UNKNOWN; +} + +void SVGFEDisplacementMapElement::parseMappedAttribute(MappedAttribute* attr) +{ + const String& value = attr->value(); + if (attr->name() == SVGNames::xChannelSelectorAttr) + setXChannelSelectorBaseValue(stringToChannel(value)); + else if (attr->name() == SVGNames::yChannelSelectorAttr) + setYChannelSelectorBaseValue(stringToChannel(value)); + else if (attr->name() == SVGNames::inAttr) + setIn1BaseValue(value); + else if (attr->name() == SVGNames::in2Attr) + setIn2BaseValue(value); + else if (attr->name() == SVGNames::scaleAttr) + setScaleBaseValue(value.toFloat()); + else + SVGFilterPrimitiveStandardAttributes::parseMappedAttribute(attr); +} + +SVGFilterEffect* SVGFEDisplacementMapElement::filterEffect(SVGResourceFilter* filter) const +{ + ASSERT_NOT_REACHED(); + return 0; +} + +bool SVGFEDisplacementMapElement::build(FilterBuilder* builder) +{ + FilterEffect* input1 = builder->getEffectById(in1()); + FilterEffect* input2 = builder->getEffectById(in2()); + + if(!input1 || !input2) + return false; + + + RefPtr<FilterEffect> addedEffect = FEDisplacementMap::create(input1, input2, static_cast<ChannelSelectorType> (xChannelSelector()), + static_cast<ChannelSelectorType> (yChannelSelector()), scale()); + builder->add(result(), addedEffect.release()); + + return true; +} + +} + +#endif // ENABLE(SVG) + +// vim:ts=4:noet |