139 lines
3.7 KiB
C++
139 lines
3.7 KiB
C++
/*
|
|
* This program source code file is part of KiCad, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2018-2021 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 <functional>
|
|
using namespace std::placeholders;
|
|
|
|
#include <math/util.h> // for KiROUND
|
|
#include <math/vector2d.h>
|
|
#include <tool/tool_manager.h>
|
|
#include <view/view.h>
|
|
#include <tool/grid_helper.h>
|
|
|
|
|
|
GRID_HELPER::GRID_HELPER( TOOL_MANAGER* aToolMgr ) :
|
|
m_toolMgr( aToolMgr )
|
|
{
|
|
m_maskTypes = ALL;
|
|
m_enableSnap = true;
|
|
m_enableSnapLine = true;
|
|
m_enableGrid = true;
|
|
m_snapItem = nullptr;
|
|
}
|
|
|
|
|
|
GRID_HELPER::~GRID_HELPER()
|
|
{
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::GetGrid() const
|
|
{
|
|
VECTOR2D size = m_toolMgr->GetView()->GetGAL()->GetGridSize();
|
|
|
|
return VECTOR2I( KiROUND( size.x ), KiROUND( size.y ) );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::GetVisibleGrid() const
|
|
{
|
|
VECTOR2D size = m_toolMgr->GetView()->GetGAL()->GetVisibleGridSize();
|
|
|
|
return VECTOR2I( KiROUND( size.x ), KiROUND( size.y ) );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::GetOrigin() const
|
|
{
|
|
VECTOR2D origin = m_toolMgr->GetView()->GetGAL()->GetGridOrigin();
|
|
|
|
return VECTOR2I( origin );
|
|
}
|
|
|
|
|
|
void GRID_HELPER::SetAuxAxes( bool aEnable, const VECTOR2I& aOrigin )
|
|
{
|
|
if( aEnable )
|
|
{
|
|
m_auxAxis = aOrigin;
|
|
m_viewAxis.SetPosition( aOrigin );
|
|
m_toolMgr->GetView()->SetVisible( &m_viewAxis, true );
|
|
}
|
|
else
|
|
{
|
|
m_auxAxis = std::optional<VECTOR2I>();
|
|
m_toolMgr->GetView()->SetVisible( &m_viewAxis, false );
|
|
}
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::AlignGrid( const VECTOR2I& aPoint ) const
|
|
{
|
|
return computeNearest( aPoint, GetGrid(), GetOrigin() );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::AlignGrid( const VECTOR2I& aPoint, const VECTOR2D& aGrid,
|
|
const VECTOR2D& aOffset ) const
|
|
{
|
|
return computeNearest( aPoint, aGrid, aOffset );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::computeNearest( const VECTOR2I& aPoint, const VECTOR2I& aGrid,
|
|
const VECTOR2I& aOffset ) const
|
|
{
|
|
return VECTOR2I( KiROUND( ( aPoint.x - aOffset.x ) / aGrid.x ) * aGrid.x + aOffset.x,
|
|
KiROUND( ( aPoint.y - aOffset.y ) / aGrid.y ) * aGrid.y + aOffset.y );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::Align( const VECTOR2I& aPoint ) const
|
|
{
|
|
return Align( aPoint, GetGrid(), GetOrigin() );
|
|
}
|
|
|
|
|
|
VECTOR2I GRID_HELPER::Align( const VECTOR2I& aPoint, const VECTOR2D& aGrid,
|
|
const VECTOR2D& aOffset ) const
|
|
{
|
|
if( !canUseGrid() )
|
|
return aPoint;
|
|
|
|
VECTOR2I nearest = AlignGrid( aPoint, aGrid, aOffset );
|
|
|
|
if( !m_auxAxis )
|
|
return nearest;
|
|
|
|
if( std::abs( m_auxAxis->x - aPoint.x ) < std::abs( nearest.x - aPoint.x ) )
|
|
nearest.x = m_auxAxis->x;
|
|
|
|
if( std::abs( m_auxAxis->y - aPoint.y ) < std::abs( nearest.y - aPoint.y ) )
|
|
nearest.y = m_auxAxis->y;
|
|
|
|
return nearest;
|
|
}
|
|
|
|
|