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/*
* 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 "third_party/blink/renderer/core/style/filter_operations.h"
#include <numeric>
namespace blink {
FilterOperations::FilterOperations() = default;
void FilterOperations::Trace(blink::Visitor* visitor) {
visitor->Trace(operations_);
}
FilterOperations& FilterOperations::operator=(const FilterOperations& other) =
default;
bool FilterOperations::operator==(const FilterOperations& o) const {
if (operations_.size() != o.operations_.size())
return false;
unsigned s = operations_.size();
for (unsigned i = 0; i < s; i++) {
if (*operations_[i] != *o.operations_[i])
return false;
}
return true;
}
bool FilterOperations::CanInterpolateWith(const FilterOperations& other) const {
auto can_interpolate = [](FilterOperation* operation) {
return FilterOperation::CanInterpolate(operation->GetType());
};
if (!std::all_of(Operations().begin(), Operations().end(), can_interpolate) ||
!std::all_of(other.Operations().begin(), other.Operations().end(),
can_interpolate)) {
return false;
}
wtf_size_t common_size =
std::min(Operations().size(), other.Operations().size());
for (wtf_size_t i = 0; i < common_size; ++i) {
if (!Operations()[i]->IsSameType(*other.Operations()[i]))
return false;
}
return true;
}
bool FilterOperations::HasBlurOrReferenceFilter() const {
for (const auto& operation : operations_) {
FilterOperation::OperationType type = operation->GetType();
if (type == FilterOperation::BLUR || type == FilterOperation::REFERENCE) {
return true;
}
}
return false;
}
FloatRect FilterOperations::MapRect(const FloatRect& rect) const {
auto accumulate_mapped_rect = [](const FloatRect& rect,
const Member<FilterOperation>& op) {
return op->MapRect(rect);
};
return std::accumulate(operations_.begin(), operations_.end(), rect,
accumulate_mapped_rect);
}
bool FilterOperations::HasFilterThatAffectsOpacity() const {
return std::any_of(
operations_.begin(), operations_.end(),
[](const auto& operation) { return operation->AffectsOpacity(); });
}
bool FilterOperations::HasFilterThatMovesPixels() const {
return std::any_of(
operations_.begin(), operations_.end(),
[](const auto& operation) { return operation->MovesPixels(); });
}
void FilterOperations::AddClient(SVGResourceClient& client) const {
for (FilterOperation* operation : operations_) {
if (operation->GetType() == FilterOperation::REFERENCE)
ToReferenceFilterOperation(*operation).AddClient(client);
}
}
void FilterOperations::RemoveClient(SVGResourceClient& client) const {
for (FilterOperation* operation : operations_) {
if (operation->GetType() == FilterOperation::REFERENCE)
ToReferenceFilterOperation(*operation).RemoveClient(client);
}
}
} // namespace blink