| /* |
| * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
| * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterOperation.h" |
| |
| #include "core/platform/graphics/filters/FilterOperation.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterProgram.h" |
| #include "platform/graphics/filters/custom/CustomFilterParameter.h" |
| |
| namespace WebCore { |
| |
| CustomFilterOperation::CustomFilterOperation(PassRefPtr<CustomFilterProgram> program, const CustomFilterParameterList& sortedParameters, unsigned meshRows, unsigned meshColumns, CustomFilterMeshType meshType) |
| : FilterOperation(CUSTOM) |
| , m_program(program) |
| , m_parameters(sortedParameters) |
| , m_meshRows(meshRows) |
| , m_meshColumns(meshColumns) |
| , m_meshType(meshType) |
| { |
| } |
| |
| CustomFilterOperation::~CustomFilterOperation() |
| { |
| } |
| |
| PassRefPtr<FilterOperation> CustomFilterOperation::blend(const FilterOperation* from, double progress) const |
| { |
| if (!from) { |
| // FIXME: There's no way to decide what is the "passthrough filter" for shaders using the current CSS Syntax. |
| // https://bugs.webkit.org/show_bug.cgi?id=84903 |
| // https://www.w3.org/Bugs/Public/show_bug.cgi?id=16861 |
| return const_cast<CustomFilterOperation*>(this); |
| } |
| |
| ASSERT_WITH_SECURITY_IMPLICATION(from->isSameType(*this)); |
| const CustomFilterOperation* fromOp = toCustomFilterOperation(from); |
| if (m_program.get() != fromOp->m_program.get() |
| || m_meshRows != fromOp->m_meshRows |
| || m_meshColumns != fromOp->m_meshColumns |
| || m_meshType != fromOp->m_meshType) |
| return const_cast<CustomFilterOperation*>(this); |
| |
| CustomFilterParameterList animatedParameters; |
| m_parameters.blend(fromOp->m_parameters, progress, animatedParameters); |
| return CustomFilterOperation::create(m_program, animatedParameters, m_meshRows, m_meshColumns, m_meshType); |
| } |
| |
| } // namespace WebCore |
| |