393 lines
11 KiB
C++
393 lines
11 KiB
C++
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/************************/
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/** class LIB_POLYLINE **/
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/************************/
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#include "fctsys.h"
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#include "gr_basic.h"
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#include "common.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 "bezier_curves.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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LIB_POLYLINE::LIB_POLYLINE( LIB_COMPONENT* aParent ) :
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LIB_DRAW_ITEM( COMPONENT_POLYLINE_DRAW_TYPE, 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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LIB_POLYLINE::LIB_POLYLINE( const LIB_POLYLINE& polyline ) :
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LIB_DRAW_ITEM( polyline )
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{
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m_PolyPoints = polyline.m_PolyPoints; // Vector copy
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m_Width = polyline.m_Width;
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m_Fill = polyline.m_Fill;
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}
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bool LIB_POLYLINE::Save( FILE* aFile )
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{
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int ccount = GetCornerCount();
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if( fprintf( aFile, "P %d %d %d %d", ccount, m_Unit, m_Convert, m_Width ) < 0 )
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return false;
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for( unsigned i = 0; i < GetCornerCount(); i++ )
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{
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if( fprintf( aFile, " %d %d", m_PolyPoints[i].x, m_PolyPoints[i].y ) < 0 )
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return false;
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}
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if( fprintf( aFile, " %c\n", fill_tab[m_Fill] ) < 0 )
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return false;
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return true;
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}
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bool LIB_POLYLINE::Load( char* aLine, 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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i = sscanf( &aLine[2], "%d %d %d %d", &ccount, &m_Unit, &m_Convert,
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&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( &aLine[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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LIB_DRAW_ITEM* LIB_POLYLINE::DoGenCopy()
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{
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LIB_POLYLINE* newitem = new LIB_POLYLINE( GetParent() );
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newitem->m_PolyPoints = m_PolyPoints; // Vector copy
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newitem->m_Width = m_Width;
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newitem->m_Unit = m_Unit;
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newitem->m_Convert = m_Convert;
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newitem->m_Flags = m_Flags;
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newitem->m_Fill = m_Fill;
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return (LIB_DRAW_ITEM*) newitem;
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}
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int LIB_POLYLINE::DoCompare( const LIB_DRAW_ITEM& aOther ) const
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{
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wxASSERT( aOther.Type() == COMPONENT_POLYLINE_DRAW_TYPE );
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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::DoOffset( 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::DoTestInside( EDA_Rect& aRect )
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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.Inside( 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::DoMove( const wxPoint& aPosition )
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{
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DoOffset( aPosition - m_PolyPoints[0] );
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}
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void LIB_POLYLINE::DoMirrorHorizontal( 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::DoPlot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
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const int aTransform[2][2] )
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{
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wxASSERT( aPlotter != NULL );
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size_t i;
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int* Poly = (int*) MyMalloc( sizeof(int) * 2 * GetCornerCount() );
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if( Poly == NULL )
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return;
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for( i = 0; i < m_PolyPoints.size(); i++ )
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{
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wxPoint pos = m_PolyPoints[i];
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pos = TransformCoordinate( aTransform, pos ) + aOffset;
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Poly[i * 2] = pos.x;
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Poly[i * 2 + 1] = pos.y;
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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->poly( i, Poly, FILLED_WITH_BG_BODYCOLOR, 0 );
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}
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aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE ) );
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aPlotter->poly( i, Poly, m_Fill, GetPenSize() );
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MyFree( Poly );
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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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/** Function GetPenSize
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* @return the size of the "pen" that be used to draw or plot this item
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*/
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int LIB_POLYLINE::GetPenSize()
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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::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC,
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const wxPoint& aOffset, int aColor, int aDrawMode,
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void* aData, const int aTransformMatrix[2][2] )
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{
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wxPoint pos1;
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int color = ReturnLayerColor( LAYER_DEVICE );
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// Buffer used to store current corners coordinates for drawings
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static wxPoint* Buf_Poly_Drawings = NULL;
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static unsigned Buf_Poly_Size = 0;
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if( aColor < 0 ) // Used normal color or selected color
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{
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if( m_Selected & IS_SELECTED )
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color = g_ItemSelectetColor;
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}
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else
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color = aColor;
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// Set the size of the buffer od coordinates
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if( Buf_Poly_Drawings == NULL )
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{
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Buf_Poly_Size = m_PolyPoints.size();
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Buf_Poly_Drawings = (wxPoint*) MyMalloc( sizeof(wxPoint) * Buf_Poly_Size );
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}
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else if( Buf_Poly_Size < m_PolyPoints.size() )
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{
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Buf_Poly_Size = m_PolyPoints.size();
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Buf_Poly_Drawings = (wxPoint*) realloc( Buf_Poly_Drawings,
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sizeof(wxPoint) * Buf_Poly_Size );
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}
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// This should probably throw an exception instead of displaying a warning message.
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if( Buf_Poly_Drawings == NULL )
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{
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wxLogWarning( wxT( "Cannot allocate memory to draw polylines." ) );
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return;
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}
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for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
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{
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Buf_Poly_Drawings[ii] = TransformCoordinate( aTransformMatrix,
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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->m_ClipBox, aDC, m_PolyPoints.size(),
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Buf_Poly_Drawings, 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->m_ClipBox, aDC, m_PolyPoints.size(),
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Buf_Poly_Drawings, 1, GetPenSize( ), color, color );
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else
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GRPoly( &aPanel->m_ClipBox, aDC, m_PolyPoints.size(),
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Buf_Poly_Drawings, 0, GetPenSize( ), color, color );
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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_Width + 1, m_Width + 1 );
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GRRect( &aPanel->m_ClipBox, 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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/**
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* Function HitTest
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* tests if the given wxPoint is within the bounds of this object.
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* @param aRefPos A wxPoint to test
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* @return true if a hit, else false
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*/
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bool LIB_POLYLINE::HitTest( const wxPoint& aRefPos )
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{
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int mindist = m_Width ? m_Width / 2 : g_DrawDefaultLineThickness / 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, DefaultTransformMatrix );
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}
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/** Function HitTest
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* @return true if the point aPosRef is near a segment
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* @param aPosRef = a wxPoint to test
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* @param aThreshold = max distance to a segment
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* @param aTransMat = the transform matrix
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*/
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bool LIB_POLYLINE::HitTest( wxPoint aPosRef, int aThreshold, const int aTransMat[2][2] )
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{
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wxPoint ref, start, end;
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for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
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{
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start = TransformCoordinate( aTransMat, m_PolyPoints[ii - 1] );
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end = TransformCoordinate( aTransMat, 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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/** Function GetBoundingBox
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* @return the boundary box for this, in library coordinates
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*/
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EDA_Rect LIB_POLYLINE::GetBoundingBox()
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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::DisplayInfo( WinEDA_DrawFrame* aFrame )
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{
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wxString msg;
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EDA_Rect bBox = GetBoundingBox();
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LIB_DRAW_ITEM::DisplayInfo( aFrame );
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msg = ReturnStringFromValue( g_UserUnit, m_Width,
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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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