| /* |
| * 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) 2009 Dirk Schulze <krit@webkit.org> |
| * Copyright (C) Research In Motion Limited 2010. All rights reserved. |
| * Copyright (C) 2021 Apple 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 "config.h" |
| #include "FEComponentTransfer.h" |
| |
| #include "FEComponentTransferSoftwareApplier.h" |
| #include "Filter.h" |
| #include <wtf/text/TextStream.h> |
| |
| #if USE(CORE_IMAGE) |
| #include "FEComponentTransferCoreImageApplier.h" |
| #endif |
| |
| namespace WebCore { |
| |
| Ref<FEComponentTransfer> FEComponentTransfer::create(const ComponentTransferFunction& redFunction, const ComponentTransferFunction& greenFunction, const ComponentTransferFunction& blueFunction, const ComponentTransferFunction& alphaFunction) |
| { |
| return adoptRef(*new FEComponentTransfer(redFunction, greenFunction, blueFunction, alphaFunction)); |
| } |
| |
| FEComponentTransfer::FEComponentTransfer(const ComponentTransferFunction& redFunction, const ComponentTransferFunction& greenFunction, const ComponentTransferFunction& blueFunction, const ComponentTransferFunction& alphaFunction) |
| : FilterEffect(FilterEffect::Type::FEComponentTransfer) |
| , m_redFunction(redFunction) |
| , m_greenFunction(greenFunction) |
| , m_blueFunction(blueFunction) |
| , m_alphaFunction(alphaFunction) |
| { |
| } |
| |
| #if USE(CORE_IMAGE) |
| bool FEComponentTransfer::supportsCoreImageRendering() const |
| { |
| return FEComponentTransferCoreImageApplier::supportsCoreImageRendering(*this); |
| } |
| #endif |
| |
| std::unique_ptr<FilterEffectApplier> FEComponentTransfer::createApplier(const Filter& filter) const |
| { |
| #if USE(CORE_IMAGE) |
| if (filter.renderingMode() == RenderingMode::Accelerated) |
| return FilterEffectApplier::create<FEComponentTransferCoreImageApplier>(*this); |
| #endif |
| return FilterEffectApplier::create<FEComponentTransferSoftwareApplier>(*this); |
| } |
| |
| static TextStream& operator<<(TextStream& ts, ComponentTransferType type) |
| { |
| switch (type) { |
| case FECOMPONENTTRANSFER_TYPE_UNKNOWN: |
| ts << "UNKNOWN"; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_IDENTITY: |
| ts << "IDENTITY"; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_TABLE: |
| ts << "TABLE"; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_DISCRETE: |
| ts << "DISCRETE"; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_LINEAR: |
| ts << "LINEAR"; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_GAMMA: |
| ts << "GAMMA"; |
| break; |
| } |
| return ts; |
| } |
| |
| static TextStream& operator<<(TextStream& ts, const ComponentTransferFunction& function) |
| { |
| ts << "type=\"" << function.type; |
| |
| switch (function.type) { |
| case FECOMPONENTTRANSFER_TYPE_UNKNOWN: |
| break; |
| case FECOMPONENTTRANSFER_TYPE_IDENTITY: |
| break; |
| case FECOMPONENTTRANSFER_TYPE_TABLE: |
| ts << " " << function.tableValues; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_DISCRETE: |
| ts << " " << function.tableValues; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_LINEAR: |
| ts << "\" slope=\"" << function.slope << "\" intercept=\"" << function.intercept << "\""; |
| break; |
| case FECOMPONENTTRANSFER_TYPE_GAMMA: |
| ts << "\" amplitude=\"" << function.amplitude << "\" exponent=\"" << function.exponent << "\" offset=\"" << function.offset << "\""; |
| break; |
| } |
| |
| return ts; |
| } |
| |
| TextStream& FEComponentTransfer::externalRepresentation(TextStream& ts, RepresentationType representation) const |
| { |
| ts << indent << "[feComponentTransfer"; |
| FilterEffect::externalRepresentation(ts, representation); |
| ts << "\n"; |
| { |
| TextStream::IndentScope indentScope(ts, 2); |
| ts << indent << "{red: " << m_redFunction << "}\n"; |
| ts << indent << "{green: " << m_greenFunction << "}\n"; |
| ts << indent << "{blue: " << m_blueFunction << "}\n"; |
| ts << indent << "{alpha: " << m_alphaFunction << "}]\n"; |
| } |
| |
| TextStream::IndentScope indentScope(ts); |
| inputEffect(0)->externalRepresentation(ts, representation); |
| return ts; |
| } |
| |
| } // namespace WebCore |