| /* |
| * 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 "core/style/FilterOperations.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 { |
| for (size_t i = 0; i < Operations().size(); ++i) { |
| if (!FilterOperation::CanInterpolate(Operations()[i]->GetType())) |
| return false; |
| } |
| |
| for (size_t i = 0; i < other.Operations().size(); ++i) { |
| if (!FilterOperation::CanInterpolate(other.Operations()[i]->GetType())) |
| return false; |
| } |
| |
| size_t common_size = std::min(Operations().size(), other.Operations().size()); |
| for (size_t i = 0; i < common_size; ++i) { |
| if (!Operations()[i]->IsSameType(*other.Operations()[i])) |
| return false; |
| } |
| return true; |
| } |
| |
| bool FilterOperations::HasReferenceFilter() const { |
| for (const auto& operation : operations_) { |
| if (operation->GetType() == FilterOperation::REFERENCE || |
| operation->GetType() == FilterOperation::BOX_REFLECT) |
| 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 { |
| for (size_t i = 0; i < operations_.size(); ++i) { |
| if (operations_[i]->AffectsOpacity()) |
| return true; |
| } |
| return false; |
| } |
| |
| bool FilterOperations::HasFilterThatMovesPixels() const { |
| for (size_t i = 0; i < operations_.size(); ++i) { |
| if (operations_[i]->MovesPixels()) |
| return true; |
| } |
| return false; |
| } |
| |
| void FilterOperations::AddClient(SVGResourceClient* client, |
| WebTaskRunner* task_runner) const { |
| for (FilterOperation* operation : operations_) { |
| if (operation->GetType() == FilterOperation::REFERENCE) |
| ToReferenceFilterOperation(*operation).AddClient(client, task_runner); |
| } |
| } |
| |
| void FilterOperations::RemoveClient(SVGResourceClient* client) const { |
| for (FilterOperation* operation : operations_) { |
| if (operation->GetType() == FilterOperation::REFERENCE) |
| ToReferenceFilterOperation(*operation).RemoveClient(client); |
| } |
| } |
| |
| } // namespace blink |