/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015 CERN * Copyright (C) 2020 KiCad Developers, see AUTHORS.txt for contributors. * @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 <array> #include <eda_draw_frame.h> #include <gal/graphics_abstraction_layer.h> #include <geometry/geometry_utils.h> #include <origin_viewitem.h> using namespace KIGFX; ORIGIN_VIEWITEM::ORIGIN_VIEWITEM( const COLOR4D& aColor, MARKER_STYLE aStyle, int aSize, const VECTOR2D& aPosition ) : EDA_ITEM( nullptr, NOT_USED ), // this item is never added to a BOARD/SCHEMATIC 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, EDA_ITEM_FLAGS flags ) : EDA_ITEM( nullptr, NOT_USED ), // this item is never added to a BOARD/SCHEMATIC so it needs no type m_position( aPosition ), m_size( NOT_USED ), m_color( UNSPECIFIED_COLOR ), m_style( NO_GRAPHIC ), 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 { GAL* 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 NO_GRAPHIC: 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 DASH_LINE: { gal->DrawCircle( m_position, scaledSize.x / 4 ); VECTOR2D start( m_position ); VECTOR2D end( m_end ); BOX2I clip( VECTOR2I( start ), VECTOR2I( end.x - start.x, end.y - start.y ) ); clip.Normalize(); double theta = atan2( end.y - start.y, end.x - start.x ); std::array<double,2> strokes = { scaledSize.x, scaledSize.x / 2 }; for( size_t i = 0; i < 10000; ++i ) { VECTOR2D next( start.x + strokes[ i % 2 ] * cos( theta ), start.y + strokes[ i % 2 ] * sin( theta ) ); // Drawing each segment can be done rounded to ints. VECTOR2I segStart( KiROUND( start.x ), KiROUND( start.y ) ); VECTOR2I segEnd( KiROUND( next.x ), KiROUND( next.y ) ); if( ClipLine( &clip, segStart.x, segStart.y, segEnd.x, segEnd.y ) ) break; else if( i % 2 == 0 ) gal->DrawLine( segStart, segEnd ); start = next; } gal->DrawCircle( m_end, scaledSize.x / 4 ); 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; } }