423 lines
11 KiB
C++
423 lines
11 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) 2004-2012 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_bezier.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 <bezier_curves.h>
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#include <richio.h>
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#include <base_units.h>
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#include <msgpanel.h>
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#include <general.h>
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#include <lib_bezier.h>
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#include <transform.h>
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LIB_BEZIER::LIB_BEZIER( LIB_PART* aParent ) :
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LIB_ITEM( LIB_BEZIER_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 = _( "Bezier" );
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}
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bool LIB_BEZIER::Save( OUTPUTFORMATTER& aFormatter )
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{
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int ccount = GetCornerCount();
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aFormatter.Print( 0, "B %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_BezierPoints[i].x, m_BezierPoints[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_BEZIER::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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if( i !=4 )
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{
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aErrorMsg.Printf( _( "Bezier 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( _( "Bezier count parameter %d is invalid" ), ccount );
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return false;
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}
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strtok( line + 2, " \t\n" ); // Skip field
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strtok( NULL, " \t\n" ); // Skip field
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strtok( NULL, " \t\n" ); // Skip field
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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( sscanf( p, "%d", &pt.x ) != 1 )
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{
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aErrorMsg.Printf( _( "Bezier 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( sscanf( p, "%d", &pt.y ) != 1 )
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{
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aErrorMsg.Printf( _( "Bezier point %d Y position not defined" ), i );
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return false;
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}
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m_BezierPoints.push_back( pt );
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}
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m_Fill = NO_FILL;
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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_BEZIER::Clone() const
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{
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return new LIB_BEZIER( *this );
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}
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int LIB_BEZIER::compare( const LIB_ITEM& aOther ) const
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{
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wxASSERT( aOther.Type() == LIB_BEZIER_T );
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const LIB_BEZIER* tmp = ( LIB_BEZIER* ) &aOther;
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if( m_BezierPoints.size() != tmp->m_BezierPoints.size() )
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return m_BezierPoints.size() - tmp->m_BezierPoints.size();
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for( size_t i = 0; i < m_BezierPoints.size(); i++ )
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{
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if( m_BezierPoints[i].x != tmp->m_BezierPoints[i].x )
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return m_BezierPoints[i].x - tmp->m_BezierPoints[i].x;
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if( m_BezierPoints[i].y != tmp->m_BezierPoints[i].y )
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return m_BezierPoints[i].y - tmp->m_BezierPoints[i].y;
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}
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return 0;
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}
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void LIB_BEZIER::SetOffset( const wxPoint& aOffset )
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{
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size_t i;
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for( i = 0; i < m_BezierPoints.size(); i++ )
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m_BezierPoints[i] += aOffset;
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for( 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_BEZIER::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_BEZIER::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_BEZIER::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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imax = m_BezierPoints.size();
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for( i = 0; i < imax; i++ )
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{
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m_BezierPoints[i].x -= aCenter.x;
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m_BezierPoints[i].x *= -1;
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m_BezierPoints[i].x += aCenter.x;
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}
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}
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void LIB_BEZIER::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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imax = m_BezierPoints.size();
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for( i = 0; i < imax; i++ )
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{
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m_BezierPoints[i].y -= aCenter.y;
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m_BezierPoints[i].y *= -1;
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m_BezierPoints[i].y += aCenter.y;
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}
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}
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void LIB_BEZIER::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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imax = m_BezierPoints.size();
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for( i = 0; i < imax; i++ )
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{
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RotatePoint( &m_BezierPoints[i], aCenter, rot_angle );
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}
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}
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void LIB_BEZIER::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->SetColor( GetLayerColor( LAYER_DEVICE_BACKGROUND ) );
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aPlotter->PlotPoly( cornerList, FILLED_WITH_BG_BODYCOLOR, 0 );
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}
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bool already_filled = m_Fill == FILLED_WITH_BG_BODYCOLOR;
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aPlotter->SetColor( GetLayerColor( LAYER_DEVICE ) );
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aPlotter->PlotPoly( cornerList, already_filled ? NO_FILL : m_Fill, GetPenSize() );
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}
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int LIB_BEZIER::GetPenSize() const
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{
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return ( m_Width == 0 ) ? GetDefaultLineThickness() : m_Width;
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}
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void LIB_BEZIER::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
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EDA_COLOR_T aColor, GR_DRAWMODE aDrawMode, void* aData,
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const TRANSFORM& aTransform )
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{
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wxPoint pos1;
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std::vector<wxPoint> PolyPointsTraslated;
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EDA_COLOR_T color = GetLayerColor( LAYER_DEVICE );
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m_PolyPoints = Bezier2Poly( m_BezierPoints[0],
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m_BezierPoints[1],
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m_BezierPoints[2],
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m_BezierPoints[3] );
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PolyPointsTraslated.clear();
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for( unsigned int i = 0; i < m_PolyPoints.size() ; i++ )
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PolyPointsTraslated.push_back( aTransform.TransformCoordinate( m_PolyPoints[i] ) +
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aOffset );
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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 = GetItemSelectedColor();
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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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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(),
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&PolyPointsTraslated[0], 1, GetPenSize(),
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(m_Flags & IS_MOVED) ? color : GetLayerColor( LAYER_DEVICE_BACKGROUND ),
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GetLayerColor( LAYER_DEVICE_BACKGROUND ) );
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else if( fill == FILLED_SHAPE )
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GRPoly( aPanel->GetClipBox(), aDC, m_PolyPoints.size(),
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&PolyPointsTraslated[0], 1, GetPenSize(), color, color );
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else
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GRPoly( aPanel->GetClipBox(), aDC, m_PolyPoints.size(),
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&PolyPointsTraslated[0], 0, GetPenSize(), color, color );
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/* Set to one (1) to draw bounding box around bezier curve 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_BEZIER::HitTest( const wxPoint& aRefPos ) const
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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( aRefPos, mindist, DefaultTransform );
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}
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bool LIB_BEZIER::HitTest( const wxPoint &aPosRef, int aThreshold, const TRANSFORM& aTransform ) const
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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( aPosRef, 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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const EDA_RECT LIB_BEZIER::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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if( !GetCornerCount() )
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return rect;
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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 = std::min( xmin, m_PolyPoints[ii].x );
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xmax = std::max( xmax, m_PolyPoints[ii].x );
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ymin = std::min( ymin, m_PolyPoints[ii].y );
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ymax = std::max( ymax, m_PolyPoints[ii].y );
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}
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rect.SetOrigin( xmin, - ymin );
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rect.SetEnd( xmax, - ymax );
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rect.Inflate( m_Width / 2 );
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return rect;
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}
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void LIB_BEZIER::GetMsgPanelInfo( std::vector< MSG_PANEL_ITEM >& aList )
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{
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wxString msg;
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EDA_RECT bBox = GetBoundingBox();
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LIB_ITEM::GetMsgPanelInfo( aList );
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msg = StringFromValue( g_UserUnit, m_Width, true );
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aList.push_back( MSG_PANEL_ITEM( _( "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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aList.push_back( MSG_PANEL_ITEM( _( "Bounding Box" ), msg, BROWN ) );
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}
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