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/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* 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 "third_party/blink/renderer/platform/graphics/filters/fe_merge.h"
#include <memory>
#include "SkMergeImageFilter.h"
#include "third_party/blink/renderer/platform/graphics/filters/paint_filter_builder.h"
#include "third_party/blink/renderer/platform/text/text_stream.h"
namespace blink {
FEMerge::FEMerge(Filter* filter) : FilterEffect(filter) {}
FEMerge* FEMerge::Create(Filter* filter) {
return new FEMerge(filter);
}
sk_sp<PaintFilter> FEMerge::CreateImageFilter() {
unsigned size = NumberOfEffectInputs();
auto input_refs = std::make_unique<sk_sp<PaintFilter>[]>(size);
for (unsigned i = 0; i < size; ++i) {
input_refs[i] = PaintFilterBuilder::Build(InputEffect(i),
OperatingInterpolationSpace());
}
PaintFilter::CropRect rect = GetCropRect();
return sk_make_sp<MergePaintFilter>(input_refs.get(), size, &rect);
}
TextStream& FEMerge::ExternalRepresentation(TextStream& ts, int indent) const {
WriteIndent(ts, indent);
ts << "[feMerge";
FilterEffect::ExternalRepresentation(ts);
unsigned size = NumberOfEffectInputs();
ts << " mergeNodes=\"" << size << "\"]\n";
for (unsigned i = 0; i < size; ++i)
InputEffect(i)->ExternalRepresentation(ts, indent + 1);
return ts;
}
} // namespace blink
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