chromium/third_party/blink/renderer/platform/graphics/filters/fe_convolve_matrix.cc

/*
 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <[email protected]>
 * Copyright (C) 2004, 2005 Rob Buis <[email protected]>
 * Copyright (C) 2005 Eric Seidel <[email protected]>
 * Copyright (C) 2009 Dirk Schulze <[email protected]>
 * Copyright (C) 2010 Zoltan Herczeg <[email protected]>
 * 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_convolve_matrix.h"

#include <memory>

#include "base/numerics/checked_math.h"
#include "base/numerics/safe_conversions.h"
#include "base/types/optional_util.h"
#include "third_party/blink/renderer/platform/graphics/filters/paint_filter_builder.h"
#include "third_party/blink/renderer/platform/wtf/text/text_stream.h"

namespace blink {

FEConvolveMatrix::FEConvolveMatrix(Filter* filter,
                                   const gfx::Size& kernel_size,
                                   float divisor,
                                   float bias,
                                   const gfx::Vector2d& target_offset,
                                   FEConvolveMatrix::EdgeModeType edge_mode,
                                   bool preserve_alpha,
                                   const Vector<float>& kernel_matrix)
    : … { … }

gfx::RectF FEConvolveMatrix::MapEffect(const gfx::RectF& rect) const { … }

bool FEConvolveMatrix::SetDivisor(float divisor) { … }

bool FEConvolveMatrix::SetBias(float bias) { … }

bool FEConvolveMatrix::SetTargetOffset(const gfx::Vector2d& target_offset) { … }

bool FEConvolveMatrix::SetEdgeMode(FEConvolveMatrix::EdgeModeType edge_mode) { … }

bool FEConvolveMatrix::SetPreserveAlpha(bool preserve_alpha) { … }

static SkTileMode ToSkiaTileMode(FEConvolveMatrix::EdgeModeType edge_mode) { … }

bool FEConvolveMatrix::ParametersValid() const { … }

sk_sp<PaintFilter> FEConvolveMatrix::CreateImageFilter() { … }

static WTF::TextStream& operator<<(WTF::TextStream& ts,
                                   const FEConvolveMatrix::EdgeModeType& type) { … }

WTF::TextStream& FEConvolveMatrix::ExternalRepresentation(WTF::TextStream& ts,
                                                          int indent) const { … }

}  // namespace blink