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83 lines
2.8 KiB
C++
83 lines
2.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/StringBuilder.h>
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#include <LibGfx/Path.h>
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namespace Gfx {
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void Path::close()
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{
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if (m_segments.size() <= 1)
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return;
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auto& last_point = m_segments.last().point;
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for (ssize_t i = m_segments.size() - 1; i >= 0; --i) {
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auto& segment = m_segments[i];
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if (segment.type == Segment::Type::MoveTo) {
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if (last_point == segment.point)
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return;
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m_segments.append({ Segment::Type::LineTo, segment.point });
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return;
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}
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}
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}
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String Path::to_string() const
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{
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StringBuilder builder;
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builder.append("Path { ");
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for (auto& segment : m_segments) {
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switch (segment.type) {
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case Segment::Type::MoveTo:
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builder.append("MoveTo");
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break;
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case Segment::Type::LineTo:
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builder.append("LineTo");
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break;
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case Segment::Type::QuadraticBezierCurveTo:
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builder.append("QuadraticBezierCurveTo");
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break;
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case Segment::Type::Invalid:
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builder.append("Invalid");
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break;
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}
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builder.append('(');
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builder.append(segment.point.to_string());
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if (segment.through.has_value()) {
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builder.append(", ");
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builder.append(segment.through.value().to_string());
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}
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builder.append(')');
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builder.append(' ');
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}
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builder.append("}");
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return builder.to_string();
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}
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}
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