Move FilterOperation*.{cpp,h} to core/style/

third_party/WebKit/Source/platform/graphics/filters/FilterOperations.cpp

-/*
- * Copyright (C) 2011 Apple Inc. 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 APPLE COMPUTER, INC. ``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 APPLE COMPUTER, INC. OR
- * CONTRIBUTORS 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 "platform/graphics/filters/FilterOperations.h"
-
-#include "platform/LengthFunctions.h"
-#include "platform/geometry/IntSize.h"
-#include "platform/graphics/filters/FEGaussianBlur.h"
-#include <numeric>
-
-namespace blink {
-
-FilterOperations::FilterOperations()
-{
-}
-
-DEFINE_TRACE(FilterOperations)
-{
-    visitor->trace(m_operations);
-}
-
-FilterOperations& FilterOperations::operator=(const FilterOperations& other)
-{
-    m_operations = other.m_operations;
-    return *this;
-}
-
-bool FilterOperations::operator==(const FilterOperations& o) const
-{
-    if (m_operations.size() != o.m_operations.size())
-        return false;
-
-    unsigned s = m_operations.size();
-    for (unsigned i = 0; i < s; i++) {
-        if (*m_operations[i] != *o.m_operations[i])
-            return false;
-    }
-
-    return true;
-}
-
-bool FilterOperations::canInterpolateWith(const FilterOperations& other) const
-{
-    for (size_t i = 0; i < operations().size(); ++i) {
-        if (!FilterOperation::canInterpolate(operations()[i]->type()))
-            return false;
-    }
-
-    for (size_t i = 0; i < other.operations().size(); ++i) {
-        if (!FilterOperation::canInterpolate(other.operations()[i]->type()))
-            return false;
-    }
-
-    size_t commonSize = std::min(operations().size(), other.operations().size());
-    for (size_t i = 0; i < commonSize; ++i) {
-        if (!operations()[i]->isSameType(*other.operations()[i]))
-            return false;
-    }
-    return true;
-}
-
-bool FilterOperations::hasReferenceFilter() const
-{
-    for (size_t i = 0; i < m_operations.size(); ++i) {
-        if (m_operations.at(i)->type() == FilterOperation::REFERENCE)
-            return true;
-    }
-    return false;
-}
-
-FloatRect FilterOperations::mapRect(const FloatRect& rect) const
-{
-    auto accumulateMappedRect = [](const FloatRect& rect, const Member<FilterOperation>& op)
-    {
-        return op->mapRect(rect);
-    };
-    return std::accumulate(m_operations.begin(), m_operations.end(), rect, accumulateMappedRect);
-}
-
-bool FilterOperations::hasFilterThatAffectsOpacity() const
-{
-    for (size_t i = 0; i < m_operations.size(); ++i)
-        if (m_operations[i]->affectsOpacity())
-            return true;
-    return false;
-}
-
-bool FilterOperations::hasFilterThatMovesPixels() const
-{
-    for (size_t i = 0; i < m_operations.size(); ++i)
-        if (m_operations[i]->movesPixels())
-            return true;
-    return false;
-}
-
-} // namespace blink