src/Mod/CAM/libarea/AreaDxf.cpp

// SPDX-License-Identifier: BSD-3-Clause

// AreaDxf.cpp
// Copyright (c) 2011, Dan Heeks
// This program is released under the BSD license. See the file COPYING for details.

#include "AreaDxf.h"
#include "Area.h"

AreaDxfRead::AreaDxfRead(CArea* area, const char* filepath)
    : CDxfRead(filepath)
    , m_area(area)
{}

void AreaDxfRead::StartCurveIfNecessary(const Base::Vector3d& startPoint) const
{
    Point ps(startPoint.x, startPoint.y);
    if (m_area->m_curves.empty() || m_area->m_curves.back().m_vertices.empty()
        || m_area->m_curves.back().m_vertices.back().m_p != ps) {
        // start a new curve
        m_area->m_curves.emplace_back();
        m_area->m_curves.back().m_vertices.emplace_back(ps);
    }
}

void AreaDxfRead::OnReadLine(const Base::Vector3d& start, const Base::Vector3d& end, bool /*hidden*/)
{
    StartCurveIfNecessary(start);
    m_area->m_curves.back().m_vertices.emplace_back(Point(end.x, end.y));
}

void AreaDxfRead::OnReadArc(
    const Base::Vector3d& start,
    const Base::Vector3d& end,
    const Base::Vector3d& center,
    bool dir,
    bool /*hidden*/
)
{
    StartCurveIfNecessary(start);
    m_area->m_curves.back()
        .m_vertices.emplace_back(dir ? 1 : 0, Point(end.x, end.y), Point(center.x, center.y));
}