chromium/third_party/blink/renderer/platform/graphics/filters/fe_displacement_map.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) Research In Motion Limited 2010. All rights reserved.
 * 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_displacement_map.h"

#include "base/types/optional_util.h"
#include "third_party/blink/renderer/platform/graphics/filters/filter.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 {

FEDisplacementMap::FEDisplacementMap(Filter* filter,
                                     ChannelSelectorType x_channel_selector,
                                     ChannelSelectorType y_channel_selector,
                                     float scale)
    : … { … }

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

gfx::RectF FEDisplacementMap::MapInputs(const gfx::RectF& rect) const { … }

ChannelSelectorType FEDisplacementMap::XChannelSelector() const { … }

bool FEDisplacementMap::SetXChannelSelector(
    const ChannelSelectorType x_channel_selector) { … }

ChannelSelectorType FEDisplacementMap::YChannelSelector() const { … }

bool FEDisplacementMap::SetYChannelSelector(
    const ChannelSelectorType y_channel_selector) { … }

float FEDisplacementMap::Scale() const { … }

bool FEDisplacementMap::SetScale(float scale) { … }

static SkColorChannel ToSkiaMode(ChannelSelectorType type) { … }

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

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

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

}  // namespace blink