fe_color_matrix.cc | Explore in Territory

/*
 * 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) 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.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/platform/graphics/filters/fe_color_matrix.h"

#include "base/types/optional_util.h"
#include "cc/paint/color_filter.h"
#include "third_party/blink/renderer/platform/graphics/filters/paint_filter_builder.h"
#include "third_party/blink/renderer/platform/wtf/math_extras.h"
#include "third_party/blink/renderer/platform/wtf/text/text_stream.h"

namespace blink {

static const unsigned kColorMatrixSize = …;

FEColorMatrix::FEColorMatrix(Filter* filter,
                             ColorMatrixType type,
                             Vector<float> values)
    : … { … }

ColorMatrixType FEColorMatrix::GetType() const { … }

bool FEColorMatrix::SetType(ColorMatrixType type) { … }

const Vector<float>& FEColorMatrix::Values() const { … }

bool FEColorMatrix::SetValues(Vector<float> values) { … }

static void SaturateMatrix(float s, float matrix[kColorMatrixSize]) { … }

static void HueRotateMatrix(float hue, float matrix[kColorMatrixSize]) { … }

static void LuminanceToAlphaMatrix(float matrix[kColorMatrixSize]) { … }

static sk_sp<cc::ColorFilter> CreateColorFilter(ColorMatrixType type,
                                                const Vector<float>& values) { … }

bool FEColorMatrix::AffectsTransparentPixels() const { … }

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

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

static bool ValuesIsValidForType(ColorMatrixType type,
                                 const Vector<float>& values) { … }

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

}  // namespace blink
chromium/third_party/blink/renderer/platform/graphics/filters/fe_color_matrix.cc
