view_overlay.cpp

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2013-2017 CERN
 * Copyright (C) 2021 KiCad Developers, see AUTHORS.txt for contributors.
 * @author Tomasz Wlostowski <[email protected]>
 * @author Maciej Suminski <[email protected]>
 *
 * 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 <view/view.h>
#include <view/view_item.h>
#include <view/view_overlay.h>
#include <gal/graphics_abstraction_layer.h>
#include <painter.h>

#include <layer_ids.h>
#include <geometry/seg.h>

namespace KIGFX {

struct VIEW_OVERLAY::COMMAND
{
 virtual ~COMMAND() {};
 virtual void Execute( VIEW* aView ) const = 0;
};


struct VIEW_OVERLAY::COMMAND_LINE : public VIEW_OVERLAY::COMMAND
{
 COMMAND_LINE( const VECTOR2D& aP0, const VECTOR2D& aP1 ) :
 m_p0( aP0 ),
 m_p1( aP1 ) {}

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawLine( m_p0, m_p1 );
 }

 VECTOR2D m_p0;
 VECTOR2D m_p1;
};


struct VIEW_OVERLAY::COMMAND_RECTANGLE : public VIEW_OVERLAY::COMMAND
{
 COMMAND_RECTANGLE( const VECTOR2D& aP0, const VECTOR2D& aP1 ) :
 m_p0( aP0 ),
 m_p1( aP1 )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawRectangle( m_p0, m_p1 );
 }

 VECTOR2D m_p0;
 VECTOR2D m_p1;
};


struct VIEW_OVERLAY::COMMAND_CIRCLE : public VIEW_OVERLAY::COMMAND
{
 COMMAND_CIRCLE( const VECTOR2D& aCenter, double aRadius ) :
 m_center(aCenter),
 m_radius(aRadius)
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawCircle( m_center, m_radius );
 }

 VECTOR2D m_center;
 double m_radius;
};


struct VIEW_OVERLAY::COMMAND_ARC : public VIEW_OVERLAY::COMMAND
{
 COMMAND_ARC( const VECTOR2D& aCenter, double aRadius, double aStartAngle, double aEndAngle ) :
 m_center( aCenter ),
 m_radius( aRadius ),
 m_startAngle( aStartAngle ),
 m_endAngle( aEndAngle )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawArc( m_center, m_radius, m_startAngle, m_endAngle );
 }

 VECTOR2D m_center;
 double m_radius;
 double m_startAngle;
 double m_endAngle;
};


struct VIEW_OVERLAY::COMMAND_POLYGON : public VIEW_OVERLAY::COMMAND
{
 COMMAND_POLYGON( const std::deque<VECTOR2D>& aPointList ) :
 m_pointList( aPointList )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawPolygon( m_pointList );
 }

 std::deque<VECTOR2D> m_pointList;
};


struct VIEW_OVERLAY::COMMAND_POLY_POLYGON : public VIEW_OVERLAY::COMMAND
{
 COMMAND_POLY_POLYGON( const SHAPE_POLY_SET& aPolySet ) :
 m_polySet( aPolySet )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawPolygon( m_polySet );
 }

 SHAPE_POLY_SET m_polySet;
};


struct VIEW_OVERLAY::COMMAND_POINT_POLYGON : public VIEW_OVERLAY::COMMAND
{
 COMMAND_POINT_POLYGON( const VECTOR2D aPointList[], int aListSize )
 {
 m_pointList.reserve( aListSize );

 for( int ii = 0; ii < aListSize; ii++ )
 m_pointList.push_back( aPointList[ii] );
 }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->DrawPolygon( &m_pointList[0], (int)m_pointList.size() );
 }

 std::vector<VECTOR2D> m_pointList;
};


struct VIEW_OVERLAY::COMMAND_SET_STROKE : public VIEW_OVERLAY::COMMAND
{
 COMMAND_SET_STROKE( bool aIsStroke ) :
 m_isStroke( aIsStroke )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->SetIsStroke( m_isStroke );
 }

 bool m_isStroke;
};


struct VIEW_OVERLAY::COMMAND_SET_FILL : public VIEW_OVERLAY::COMMAND
{
 COMMAND_SET_FILL( bool aIsFill ) :
 m_isFill( aIsFill )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->SetIsFill( m_isFill );
 }

 bool m_isFill;
};


struct VIEW_OVERLAY::COMMAND_SET_COLOR : public VIEW_OVERLAY::COMMAND
{
 COMMAND_SET_COLOR( bool aIsStroke, const COLOR4D& aColor ) :
 m_isStroke( aIsStroke ),
 m_color( aColor )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 if( m_isStroke )
 aView->GetGAL()->SetStrokeColor( m_color );
 else
 aView->GetGAL()->SetFillColor( m_color );
 }

 bool m_isStroke;
 COLOR4D m_color;
};


struct VIEW_OVERLAY::COMMAND_SET_WIDTH : public VIEW_OVERLAY::COMMAND
{
 COMMAND_SET_WIDTH( double aWidth ) :
 m_width( aWidth )
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->SetLineWidth( m_width );
 }

 double m_width;
};


struct VIEW_OVERLAY::COMMAND_GLYPH_SIZE : public VIEW_OVERLAY::COMMAND
{
 COMMAND_GLYPH_SIZE( const VECTOR2D aSize ) :
 m_size( aSize )
 { };

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->SetGlyphSize( m_size );
 }

 VECTOR2D m_size;
};


struct VIEW_OVERLAY::COMMAND_BITMAP_TEXT : public VIEW_OVERLAY::COMMAND
{
 COMMAND_BITMAP_TEXT( const wxString& aText, const VECTOR2D& aPosition, double aRotationAngle ) :
 m_text( aText ),
 m_pos( aPosition ),
 m_angle (aRotationAngle)
 { }

 virtual void Execute( VIEW* aView ) const override
 {
 aView->GetGAL()->BitmapText( m_text, m_pos, m_angle );
 }

 wxString m_text;
 VECTOR2D m_pos;
 double m_angle;
};

VIEW_OVERLAY::VIEW_OVERLAY()
{
}


VIEW_OVERLAY::~VIEW_OVERLAY()
{
 releaseCommands();
}


void VIEW_OVERLAY::releaseCommands()
{
 for( VIEW_OVERLAY::COMMAND* cmd : m_commands )
 delete cmd;

 m_commands.clear();
}


void VIEW_OVERLAY::Clear()
{
 releaseCommands();
}


const BOX2I VIEW_OVERLAY::ViewBBox() const
{
 BOX2I maxBox;

 maxBox.SetMaximum();
 return maxBox;
}


void VIEW_OVERLAY::ViewDraw( int aLayer, VIEW* aView ) const
{
 for( const VIEW_OVERLAY::COMMAND* cmd : m_commands )
 cmd->Execute( aView );
}


void VIEW_OVERLAY::ViewGetLayers( int aLayers[], int& aCount ) const
{
 aLayers[0] = LAYER_GP_OVERLAY;
 aCount = 1;
}


void VIEW_OVERLAY::Line( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint )
{
 m_commands.push_back( new COMMAND_LINE( aStartPoint, aEndPoint ) );
}


void VIEW_OVERLAY::Line( const SEG& aSeg )
{
 Line( aSeg.A, aSeg.B );
}


void VIEW_OVERLAY::Segment( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint, double aWidth )
{
 SetLineWidth( aWidth );
 Line( aStartPoint, aEndPoint );
}


void VIEW_OVERLAY::Polyline( const SHAPE_LINE_CHAIN& aPolyLine )
{
 SetIsStroke( true );
 SetIsFill( false );

 for( int i = 0; i < aPolyLine.SegmentCount(); i++ )
 Line( aPolyLine.CSegment( i ) );
}


void VIEW_OVERLAY::Polygon( const SHAPE_POLY_SET& aPolySet )
{
 m_commands.push_back( new COMMAND_POLY_POLYGON( aPolySet ) );
}


void VIEW_OVERLAY::Polygon( const std::deque<VECTOR2D>& aPointList )
{
 m_commands.push_back( new COMMAND_POLYGON( aPointList ) );
}


void VIEW_OVERLAY::Polygon( const VECTOR2D aPointList[], int aListSize )
{
 m_commands.push_back( new COMMAND_POINT_POLYGON( aPointList, aListSize ) );
}


void VIEW_OVERLAY::Circle( const VECTOR2D& aCenterPoint, double aRadius )
{
 m_commands.push_back( new COMMAND_CIRCLE( aCenterPoint, aRadius ) );
}


void VIEW_OVERLAY::Arc( const VECTOR2D& aCenterPoint, double aRadius, double aStartAngle,
 double aEndAngle )
{
 m_commands.push_back( new COMMAND_ARC( aCenterPoint, aRadius, aStartAngle, aEndAngle ) );
}


void VIEW_OVERLAY::Rectangle( const VECTOR2D& aStartPoint, const VECTOR2D& aEndPoint )
{
 m_commands.push_back( new COMMAND_RECTANGLE( aStartPoint, aEndPoint ) );
}


void VIEW_OVERLAY::SetIsFill( bool aIsFillEnabled )
{
 m_commands.push_back( new COMMAND_SET_FILL( aIsFillEnabled ) );
}


void VIEW_OVERLAY::SetGlyphSize( const VECTOR2D& aSize )
{
 m_commands.push_back( new COMMAND_GLYPH_SIZE( aSize ) );
}


void VIEW_OVERLAY::BitmapText( const wxString& aText, const VECTOR2D& aPosition,
 double aRotationAngle )
{
 m_commands.push_back( new COMMAND_BITMAP_TEXT( aText, aPosition, aRotationAngle ) );
}


void VIEW_OVERLAY::SetIsStroke( bool aIsStrokeEnabled )
{
 m_commands.push_back( new COMMAND_SET_STROKE( aIsStrokeEnabled ) );
}


void VIEW_OVERLAY::SetFillColor( const COLOR4D& aColor )
{
 m_fillColor = aColor;
 m_commands.push_back( new COMMAND_SET_COLOR( false, aColor ) );
}


void VIEW_OVERLAY::SetStrokeColor( const COLOR4D& aColor )
{
 m_strokeColor = aColor;
 m_commands.push_back( new COMMAND_SET_COLOR( true, aColor ) );
}

void VIEW_OVERLAY::SetLineWidth( double aLineWidth )
{
 m_commands.push_back( new COMMAND_SET_WIDTH( aLineWidth ) );
}

void VIEW_OVERLAY::Cross( const VECTOR2D& aP, int aSize )
{
 Line( aP + VECTOR2D( -aSize, -aSize ), aP + VECTOR2D( aSize, aSize ) );
 Line( aP + VECTOR2D( aSize, -aSize ), aP + VECTOR2D( -aSize, aSize ) );
}


} // namespace