kicad/common/origin_viewitem.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 CERN
* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* 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 <draw_frame.h>
#include <origin_viewitem.h>
#include <gal/graphics_abstraction_layer.h>
using namespace KIGFX;
ORIGIN_VIEWITEM::ORIGIN_VIEWITEM( const COLOR4D& aColor, MARKER_STYLE aStyle, int aSize, const VECTOR2D& aPosition ) :
BOARD_ITEM( nullptr, NOT_USED ), // this item is never added to a BOARD so it needs no type
m_position( aPosition ), m_size( aSize ), m_color( aColor ), m_style( aStyle ), m_drawAtZero( false )
{
}
ORIGIN_VIEWITEM::ORIGIN_VIEWITEM( const VECTOR2D& aPosition, STATUS_FLAGS flags ) :
BOARD_ITEM( nullptr, NOT_USED ), // this item is never added to a BOARD so it needs no type
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m_position( aPosition ), m_size( NOT_USED ), m_color( UNSPECIFIED_COLOR ), m_style( NONE ), m_drawAtZero( false )
{
SetFlags( flags );
}
ORIGIN_VIEWITEM* ORIGIN_VIEWITEM::Clone() const
{
return new ORIGIN_VIEWITEM( m_color, m_style, m_size, m_position );
}
const BOX2I ORIGIN_VIEWITEM::ViewBBox() const
{
BOX2I bbox;
bbox.SetMaximum();
return bbox;
}
void ORIGIN_VIEWITEM::ViewDraw( int, VIEW* aView ) const
{
auto gal = aView->GetGAL();
// Nothing to do if the target shouldn't be drawn at 0,0 and that's where the target is.
if( !m_drawAtZero && ( m_position.x == 0 ) && ( m_position.y == 0 ) )
return;
gal->SetIsStroke( true );
gal->SetIsFill( false );
gal->SetLineWidth( 1 );
gal->SetStrokeColor( m_color );
VECTOR2D scaledSize = aView->ToWorld( VECTOR2D( m_size, m_size ), false );
// Draw a circle around the marker's centre point if the style demands it
if( ( m_style == CIRCLE_CROSS ) || ( m_style == CIRCLE_DOT ) || ( m_style == CIRCLE_X ) )
gal->DrawCircle( m_position, fabs( scaledSize.x ) );
switch( m_style )
{
case NONE:
break;
case CROSS:
case CIRCLE_CROSS:
gal->DrawLine( m_position - VECTOR2D( scaledSize.x, 0 ),
m_position + VECTOR2D( scaledSize.x, 0 ) );
gal->DrawLine( m_position - VECTOR2D( 0, scaledSize.y ),
m_position + VECTOR2D( 0, scaledSize.y ) );
break;
case X:
case CIRCLE_X:
gal->DrawLine( m_position - scaledSize, m_position + scaledSize );
scaledSize.y = -scaledSize.y;
gal->DrawLine( m_position - scaledSize, m_position + scaledSize );
break;
case DOT:
case CIRCLE_DOT:
gal->DrawCircle( m_position, scaledSize.x / 4 );
break;
}
}