561 lines
15 KiB
C++
561 lines
15 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 2004-2011 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file lib_polyline.cpp
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*/
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#include <fctsys.h>
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#include <gr_basic.h>
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#include <macros.h>
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#include <class_drawpanel.h>
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#include <plot_common.h>
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#include <trigo.h>
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#include <wxstruct.h>
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#include <richio.h>
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#include <general.h>
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#include <protos.h>
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#include <lib_polyline.h>
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#include <transform.h>
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#include <boost/foreach.hpp>
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LIB_POLYLINE::LIB_POLYLINE( LIB_COMPONENT* aParent ) :
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LIB_ITEM( LIB_POLYLINE_T, aParent )
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{
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m_Fill = NO_FILL;
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m_Width = 0;
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m_isFillable = true;
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m_typeName = _( "PolyLine" );
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}
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bool LIB_POLYLINE::Save( OUTPUTFORMATTER& aFormatter )
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{
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int ccount = GetCornerCount();
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aFormatter.Print( 0, "P %d %d %d %d", ccount, m_Unit, m_Convert, m_Width );
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for( unsigned i = 0; i < GetCornerCount(); i++ )
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{
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aFormatter.Print( 0, " %d %d", m_PolyPoints[i].x, m_PolyPoints[i].y );
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}
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aFormatter.Print( 0, " %c\n", fill_tab[m_Fill] );
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return true;
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}
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bool LIB_POLYLINE::Load( LINE_READER& aLineReader, wxString& aErrorMsg )
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{
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char* p;
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int i, ccount = 0;
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wxPoint pt;
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char* line = (char*) aLineReader;
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i = sscanf( line + 2, "%d %d %d %d", &ccount, &m_Unit, &m_Convert, &m_Width );
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m_Fill = NO_FILL;
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if( i < 4 )
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{
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aErrorMsg.Printf( _( "polyline only had %d parameters of the required 4" ), i );
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return false;
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}
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if( ccount <= 0 )
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{
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aErrorMsg.Printf( _( "polyline count parameter %d is invalid" ), ccount );
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return false;
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}
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p = strtok( line + 2, " \t\n" );
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p = strtok( NULL, " \t\n" );
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p = strtok( NULL, " \t\n" );
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p = strtok( NULL, " \t\n" );
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for( i = 0; i < ccount; i++ )
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{
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wxPoint point;
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p = strtok( NULL, " \t\n" );
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if( p == NULL || sscanf( p, "%d", &pt.x ) != 1 )
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{
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aErrorMsg.Printf( _( "polyline point %d X position not defined" ), i );
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return false;
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}
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p = strtok( NULL, " \t\n" );
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if( p == NULL || sscanf( p, "%d", &pt.y ) != 1 )
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{
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aErrorMsg.Printf( _( "polyline point %d Y position not defined" ), i );
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return false;
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}
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AddPoint( pt );
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}
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if( ( p = strtok( NULL, " \t\n" ) ) != NULL )
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{
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if( p[0] == 'F' )
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m_Fill = FILLED_SHAPE;
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if( p[0] == 'f' )
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m_Fill = FILLED_WITH_BG_BODYCOLOR;
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}
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return true;
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}
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EDA_ITEM* LIB_POLYLINE::Clone() const
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{
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return new LIB_POLYLINE( *this );
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}
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int LIB_POLYLINE::compare( const LIB_ITEM& aOther ) const
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{
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wxASSERT( aOther.Type() == LIB_POLYLINE_T );
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const LIB_POLYLINE* tmp = (LIB_POLYLINE*) &aOther;
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if( m_PolyPoints.size() != tmp->m_PolyPoints.size() )
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return m_PolyPoints.size() - tmp->m_PolyPoints.size();
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for( size_t i = 0; i < m_PolyPoints.size(); i++ )
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{
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if( m_PolyPoints[i].x != tmp->m_PolyPoints[i].x )
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return m_PolyPoints[i].x - tmp->m_PolyPoints[i].x;
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if( m_PolyPoints[i].y != tmp->m_PolyPoints[i].y )
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return m_PolyPoints[i].y - tmp->m_PolyPoints[i].y;
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}
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return 0;
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}
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void LIB_POLYLINE::SetOffset( const wxPoint& aOffset )
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{
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for( size_t i = 0; i < m_PolyPoints.size(); i++ )
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m_PolyPoints[i] += aOffset;
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}
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bool LIB_POLYLINE::Inside( EDA_RECT& aRect ) const
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{
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for( size_t i = 0; i < m_PolyPoints.size(); i++ )
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{
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if( aRect.Contains( m_PolyPoints[i].x, -m_PolyPoints[i].y ) )
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return true;
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}
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return false;
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}
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void LIB_POLYLINE::Move( const wxPoint& aPosition )
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{
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SetOffset( aPosition - m_PolyPoints[0] );
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}
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void LIB_POLYLINE::MirrorHorizontal( const wxPoint& aCenter )
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{
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size_t i, imax = m_PolyPoints.size();
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for( i = 0; i < imax; i++ )
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{
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m_PolyPoints[i].x -= aCenter.x;
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m_PolyPoints[i].x *= -1;
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m_PolyPoints[i].x += aCenter.x;
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}
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}
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void LIB_POLYLINE::MirrorVertical( const wxPoint& aCenter )
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{
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size_t i, imax = m_PolyPoints.size();
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for( i = 0; i < imax; i++ )
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{
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m_PolyPoints[i].y -= aCenter.y;
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m_PolyPoints[i].y *= -1;
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m_PolyPoints[i].y += aCenter.y;
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}
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}
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void LIB_POLYLINE::Rotate( const wxPoint& aCenter, bool aRotateCCW )
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{
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int rot_angle = aRotateCCW ? -900 : 900;
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size_t i, imax = m_PolyPoints.size();
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for( i = 0; i < imax; i++ )
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{
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RotatePoint( &m_PolyPoints[i], aCenter, rot_angle );
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}
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}
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void LIB_POLYLINE::Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
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const TRANSFORM& aTransform )
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{
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wxASSERT( aPlotter != NULL );
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static std::vector< wxPoint > cornerList;
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cornerList.clear();
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for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
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{
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wxPoint pos = m_PolyPoints[ii];
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pos = aTransform.TransformCoordinate( pos ) + aOffset;
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cornerList.push_back( pos );
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}
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if( aFill && m_Fill == FILLED_WITH_BG_BODYCOLOR )
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{
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aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
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aPlotter->PlotPoly( cornerList, FILLED_WITH_BG_BODYCOLOR, 0 );
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aFill = false; // body is now filled, do not fill it later.
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}
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bool already_filled = m_Fill == FILLED_WITH_BG_BODYCOLOR;
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aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE ) );
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aPlotter->PlotPoly( cornerList, already_filled ? NO_FILL : m_Fill, GetPenSize() );
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}
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void LIB_POLYLINE::AddPoint( const wxPoint& point )
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{
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m_PolyPoints.push_back( point );
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}
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int LIB_POLYLINE::GetPenSize() const
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{
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return ( m_Width == 0 ) ? g_DrawDefaultLineThickness : m_Width;
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}
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void LIB_POLYLINE::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
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int aColor, int aDrawMode, void* aData,
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const TRANSFORM& aTransform )
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{
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wxPoint pos1;
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int color = ReturnLayerColor( LAYER_DEVICE );
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wxPoint* buffer = NULL;
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if( aColor < 0 ) // Used normal color or selected color
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{
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if( IsSelected() )
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color = g_ItemSelectetColor;
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}
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else
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{
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color = aColor;
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}
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buffer = new wxPoint[ m_PolyPoints.size() ];
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for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
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{
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buffer[ii] = aTransform.TransformCoordinate( m_PolyPoints[ii] ) + aOffset;
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}
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FILL_T fill = aData ? NO_FILL : m_Fill;
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if( aColor >= 0 )
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fill = NO_FILL;
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GRSetDrawMode( aDC, aDrawMode );
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if( fill == FILLED_WITH_BG_BODYCOLOR )
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GRPoly( aPanel->GetClipBox(), aDC, m_PolyPoints.size(), buffer, 1, GetPenSize(),
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(m_Flags & IS_MOVED) ? color : ReturnLayerColor( LAYER_DEVICE_BACKGROUND ),
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ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
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else if( fill == FILLED_SHAPE )
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GRPoly( aPanel->GetClipBox(), aDC, m_PolyPoints.size(), buffer, 1, GetPenSize(),
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color, color );
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else
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GRPoly( aPanel->GetClipBox(), aDC, m_PolyPoints.size(), buffer, 0, GetPenSize(),
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color, color );
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delete[] buffer;
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/* Set to one (1) to draw bounding box around polyline to validate
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* bounding box calculation. */
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#if 0
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EDA_RECT bBox = GetBoundingBox();
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bBox.Inflate( m_Thickness + 1, m_Thickness + 1 );
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GRRect( aPanel->GetClipBox(), aDC, bBox.GetOrigin().x, bBox.GetOrigin().y,
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bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
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#endif
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}
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bool LIB_POLYLINE::HitTest( const wxPoint& aPosition )
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{
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int mindist = GetPenSize() / 2;
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// Have a minimal tolerance for hit test
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if( mindist < MINIMUM_SELECTION_DISTANCE )
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mindist = MINIMUM_SELECTION_DISTANCE;
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return HitTest( aPosition, mindist, DefaultTransform );
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}
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bool LIB_POLYLINE::HitTest( wxPoint aPosition, int aThreshold, const TRANSFORM& aTransform )
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{
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wxPoint ref, start, end;
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if( aThreshold < 0 )
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aThreshold = GetPenSize() / 2;
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for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
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{
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start = aTransform.TransformCoordinate( m_PolyPoints[ii - 1] );
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end = aTransform.TransformCoordinate( m_PolyPoints[ii] );
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if( TestSegmentHit( aPosition, start, end, aThreshold ) )
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return true;
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}
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return false;
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}
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EDA_RECT LIB_POLYLINE::GetBoundingBox() const
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{
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EDA_RECT rect;
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int xmin, xmax, ymin, ymax;
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xmin = xmax = m_PolyPoints[0].x;
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ymin = ymax = m_PolyPoints[0].y;
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for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
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{
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xmin = MIN( xmin, m_PolyPoints[ii].x );
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xmax = MAX( xmax, m_PolyPoints[ii].x );
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ymin = MIN( ymin, m_PolyPoints[ii].y );
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ymax = MAX( ymax, m_PolyPoints[ii].y );
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}
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rect.SetOrigin( xmin, ymin * -1 );
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rect.SetEnd( xmax, ymax * -1 );
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rect.Inflate( m_Width / 2, m_Width / 2 );
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return rect;
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}
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void LIB_POLYLINE::DeleteSegment( const wxPoint aPosition )
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{
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// First segment is kept, only its end point is changed
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while( GetCornerCount() > 2 )
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{
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m_PolyPoints.pop_back();
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if( m_PolyPoints[ GetCornerCount() - 1 ] != aPosition )
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{
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m_PolyPoints[ GetCornerCount() - 1 ] = aPosition;
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break;
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}
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}
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}
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void LIB_POLYLINE::DisplayInfo( EDA_DRAW_FRAME* aFrame )
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{
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wxString msg;
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EDA_RECT bBox = GetBoundingBox();
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LIB_ITEM::DisplayInfo( aFrame );
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msg = ReturnStringFromValue( g_UserUnit, m_Width, EESCHEMA_INTERNAL_UNIT, true );
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aFrame->AppendMsgPanel( _( "Line width" ), msg, BLUE );
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msg.Printf( wxT( "(%d, %d, %d, %d)" ), bBox.GetOrigin().x,
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bBox.GetOrigin().y, bBox.GetEnd().x, bBox.GetEnd().y );
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aFrame->AppendMsgPanel( _( "Bounding box" ), msg, BROWN );
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}
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wxString LIB_POLYLINE::GetSelectMenuText() const
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{
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return wxString::Format( _( "Polyline at (%s, %s) with %u points" ),
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GetChars( CoordinateToString( m_PolyPoints[0].x,
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EESCHEMA_INTERNAL_UNIT ) ),
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GetChars( CoordinateToString( m_PolyPoints[0].y,
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EESCHEMA_INTERNAL_UNIT ) ),
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m_PolyPoints.size() );
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}
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void LIB_POLYLINE::BeginEdit( int aEditMode, const wxPoint aPosition )
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{
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wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
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wxT( "Invalid edit mode for LIB_POLYLINE object." ) );
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if( aEditMode == IS_NEW )
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{
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m_PolyPoints.push_back( aPosition ); // Start point of first segment.
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m_PolyPoints.push_back( aPosition ); // End point of first segment.
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}
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else if( aEditMode == IS_RESIZED )
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{
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// Drag one edge point of the polyline
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// Find the nearest edge point to be dragged
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wxPoint startPoint = m_PolyPoints[0];
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// Begin with the first list point as nearest point
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int index = 0;
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m_ModifyIndex = 0;
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m_initialPos = startPoint;
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// First distance is the current minimum distance
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int distanceMin = (aPosition - startPoint).x * (aPosition - startPoint).x
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+ (aPosition - startPoint).y * (aPosition - startPoint).y;
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wxPoint prevPoint = startPoint;
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// Find the right index of the point to be dragged
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BOOST_FOREACH( wxPoint point, m_PolyPoints )
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{
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int distancePoint = (aPosition - point).x * (aPosition - point).x +
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(aPosition - point).y * (aPosition - point).y;
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if( distancePoint < distanceMin )
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{
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// Save point.
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m_initialPos = point;
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m_ModifyIndex = index;
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distanceMin = distancePoint;
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}
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// check middle of an edge
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wxPoint offset = ( aPosition + aPosition - point - prevPoint );
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distancePoint = ( offset.x * offset.x + offset.y * offset.y ) / 4 + 1;
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if( distancePoint < distanceMin )
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{
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// Save point.
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m_initialPos = point;
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m_ModifyIndex = -index; // negative indicates new vertex is to be inserted
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distanceMin = distancePoint;
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}
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prevPoint = point;
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index++;
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}
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SetEraseLastDrawItem();
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}
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else if( aEditMode == IS_MOVED )
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{
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m_initialCursorPos = aPosition;
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m_initialPos = m_PolyPoints[0];
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SetEraseLastDrawItem();
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}
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m_Flags = aEditMode;
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}
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bool LIB_POLYLINE::ContinueEdit( const wxPoint aPosition )
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{
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wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0, false,
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wxT( "Bad call to ContinueEdit(). LIB_POLYLINE is not being edited." ) );
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if( m_Flags == IS_NEW )
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{
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// do not add zero length segments
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if( m_PolyPoints[m_PolyPoints.size() - 2] != m_PolyPoints.back() )
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m_PolyPoints.push_back( aPosition );
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return true;
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}
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return false;
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}
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void LIB_POLYLINE::EndEdit( const wxPoint& aPosition, bool aAbort )
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{
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wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
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wxT( "Bad call to EndEdit(). LIB_POLYLINE is not being edited." ) );
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// do not include last point twice
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if( m_Flags == IS_NEW && 2 < m_PolyPoints.size() )
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{
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if( m_PolyPoints[ m_PolyPoints.size() - 2 ] == m_PolyPoints.back() )
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m_PolyPoints.pop_back();
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}
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if( (m_Flags == IS_RESIZED) && (m_PolyPoints.size() > 2) ) // do not delete last two points... keep it alive
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{
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if( ( m_ModifyIndex > 0 && m_PolyPoints[ m_ModifyIndex ] ==
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m_PolyPoints[ m_ModifyIndex - 1 ] )
|
|
|| ( m_ModifyIndex < (int) m_PolyPoints.size() - 1
|
|
&& m_PolyPoints[ m_ModifyIndex ] == m_PolyPoints[ m_ModifyIndex + 1 ] ) )
|
|
{
|
|
m_PolyPoints.erase( m_PolyPoints.begin() + m_ModifyIndex ); // delete a point on this
|
|
}
|
|
}
|
|
|
|
m_Flags = 0;
|
|
SetEraseLastDrawItem( false );
|
|
}
|
|
|
|
|
|
void LIB_POLYLINE::calcEdit( const wxPoint& aPosition )
|
|
{
|
|
if( m_Flags == IS_NEW )
|
|
{
|
|
m_PolyPoints[ GetCornerCount() - 1 ] = aPosition;
|
|
SetEraseLastDrawItem();
|
|
}
|
|
else if( m_Flags == IS_RESIZED )
|
|
{
|
|
if( m_ModifyIndex < 0 ) // negative indicates new vertex is to be inserted
|
|
{
|
|
m_ModifyIndex = -m_ModifyIndex;
|
|
m_PolyPoints.insert( m_PolyPoints.begin() + m_ModifyIndex, aPosition );
|
|
}
|
|
|
|
m_PolyPoints[ m_ModifyIndex ] = aPosition;
|
|
}
|
|
else if( m_Flags == IS_MOVED )
|
|
{
|
|
Move( m_initialPos + aPosition - m_initialCursorPos );
|
|
}
|
|
}
|