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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "preview_items/bezier_geom_manager.h"
using namespace KIGFX::PREVIEW;
bool BEZIER_GEOM_MANAGER::acceptPoint( const VECTOR2I& aPt )
{
switch( getStep() )
{
case SET_START: return setStart( aPt );
case SET_CONTROL1: return setControlC1( aPt );
case SET_END: return setEnd( aPt );
case SET_CONTROL2: return setControlC2( aPt );
case COMPLETE: return false;
}
return false;
}
VECTOR2I BEZIER_GEOM_MANAGER::GetStart() const
{
return m_start;
}
VECTOR2I BEZIER_GEOM_MANAGER::GetControlC1() const
{
return m_controlC1;
}
VECTOR2I BEZIER_GEOM_MANAGER::GetEnd() const
{
return m_end;
}
VECTOR2I BEZIER_GEOM_MANAGER::GetControlC2() const
{
// The actual bezier C2 point is the reflection over the end point
// so that the cursor will be on the C1 point of the next bezier.
return m_end - ( m_controlC2 - m_end );
}
bool BEZIER_GEOM_MANAGER::setStart( const VECTOR2I& aStart )
{
m_start = aStart;
// Prevents weird-looking loops if the control points aren't initialized
m_end = aStart;
m_controlC1 = aStart;
m_controlC2 = aStart;
return true;
}
bool BEZIER_GEOM_MANAGER::setControlC1( const VECTOR2I& aControlC1 )
{
m_controlC1 = aControlC1;
m_end = m_controlC1;
m_controlC2 = m_controlC1;
// It's possible to set the control 1 point to the same as the start point
return true;
}
bool BEZIER_GEOM_MANAGER::setEnd( const VECTOR2I& aEnd )
{
m_end = aEnd;
m_controlC2 = m_end;
return m_end != m_start;
}
bool BEZIER_GEOM_MANAGER::setControlC2( const VECTOR2I& aControlC2 )
{
m_controlC2 = aControlC2;
// It's possible to set the control 2 point to the same as the end point
return true;
}
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