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kicad/pcbnew/class_drawsegment.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jean-pierre.charras@gipsa-lab.inpg.fr
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2011 KiCad Developers, see AUTHORS.txt for contributors.
*
* 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
*/
/**
* @file class_drawsegment.cpp
* @brief Class and functions to handle a graphic segments.
*/
#include <fctsys.h>
#include <macros.h>
#include <wxstruct.h>
#include <gr_basic.h>
#include <bezier_curves.h>
#include <class_drawpanel.h>
#include <class_pcb_screen.h>
#include <kicad_string.h>
#include <colors_selection.h>
#include <trigo.h>
#include <richio.h>
#include <pcbcommon.h>
#include <pcbnew.h>
#include <protos.h>
#include <class_board.h>
#include <class_module.h>
#include <class_drawsegment.h>
#include <base_units.h>
DRAWSEGMENT::DRAWSEGMENT( BOARD_ITEM* aParent, KICAD_T idtype ) :
BOARD_ITEM( aParent, idtype )
{
m_Width = m_Flags = m_Type = m_Angle = 0;
m_Shape = S_SEGMENT;
}
DRAWSEGMENT::~DRAWSEGMENT()
{
}
const DRAWSEGMENT& DRAWSEGMENT::operator = ( const DRAWSEGMENT& rhs )
{
// skip the linked list stuff, and parent
m_Type = rhs.m_Type;
m_Layer = rhs.m_Layer;
m_Width = rhs.m_Width;
m_Start = rhs.m_Start;
m_End = rhs.m_End;
m_Shape = rhs.m_Shape;
m_Angle = rhs.m_Angle;
m_TimeStamp = rhs.m_TimeStamp;
m_BezierC1 = rhs.m_BezierC1;
m_BezierC2 = rhs.m_BezierC1;
m_BezierPoints = rhs.m_BezierPoints;
return *this;
}
void DRAWSEGMENT::Copy( DRAWSEGMENT* source )
{
if( source == NULL ) // who would do this?
return;
*this = *source; // operator = ()
}
void DRAWSEGMENT::Rotate( const wxPoint& aRotCentre, double aAngle )
{
RotatePoint( &m_Start, aRotCentre, aAngle );
RotatePoint( &m_End, aRotCentre, aAngle );
}
void DRAWSEGMENT::Flip( const wxPoint& aCentre )
{
m_Start.y = aCentre.y - (m_Start.y - aCentre.y);
m_End.y = aCentre.y - (m_End.y - aCentre.y);
if( m_Shape == S_ARC )
{
NEGATE( m_Angle );
}
SetLayer( BOARD::ReturnFlippedLayerNumber( GetLayer() ) );
}
const wxPoint DRAWSEGMENT::GetArcEnd() const
{
wxPoint endPoint; // start of arc
switch( m_Shape )
{
case S_ARC:
// rotate the starting point of the arc, given by m_End, through the
// angle m_Angle to get the ending point of the arc.
// m_Start is the arc centre
endPoint = m_End; // m_End = start point of arc
RotatePoint( &endPoint, m_Start, -m_Angle );
break;
default:
;
}
return endPoint; // after rotation, the end of the arc.
}
/* use GetArcStart() now
const wxPoint DRAWSEGMENT::GetStart() const
{
switch( m_Shape )
{
case S_ARC:
return m_End; // the start of the arc is held in field m_End, center point is in m_Start.
case S_SEGMENT:
default:
return m_Start;
}
}
const wxPoint DRAWSEGMENT::GetEnd() const
{
wxPoint endPoint; // start of arc
switch( m_Shape )
{
case S_ARC:
// rotate the starting point of the arc, given by m_End, through the
// angle m_Angle to get the ending point of the arc.
// m_Start is the arc centre
endPoint = m_End; // m_End = start point of arc
RotatePoint( &endPoint, m_Start, -m_Angle );
return endPoint; // after rotation, the end of the arc.
break;
case S_SEGMENT:
default:
return m_End;
}
}
*/
void DRAWSEGMENT::SetAngle( double aAngle )
{
NORMALIZE_ANGLE_360( aAngle );
m_Angle = (int) aAngle;
}
MODULE* DRAWSEGMENT::GetParentModule() const
{
if( m_Parent->Type() != PCB_MODULE_T )
return NULL;
return (MODULE*) m_Parent;
}
void DRAWSEGMENT::Draw( EDA_DRAW_PANEL* panel, wxDC* DC, int draw_mode, const wxPoint& aOffset )
{
int ux0, uy0, dx, dy;
int l_trace;
int color, mode;
int radius;
int curr_layer = ( (PCB_SCREEN*) panel->GetScreen() )->m_Active_Layer;
BOARD * brd = GetBoard( );
if( brd->IsLayerVisible( GetLayer() ) == false )
return;
color = brd->GetLayerColor( GetLayer() );
if( ( draw_mode & GR_ALLOW_HIGHCONTRAST ) && DisplayOpt.ContrastModeDisplay )
{
if( !IsOnLayer( curr_layer ) )
{
color &= ~MASKCOLOR;
color |= DARKDARKGRAY;
}
}
GRSetDrawMode( DC, draw_mode );
l_trace = m_Width >> 1; /* half trace width */
// Line start point or Circle and Arc center
ux0 = m_Start.x + aOffset.x;
uy0 = m_Start.y + aOffset.y;
// Line end point or circle and arc start point
dx = m_End.x + aOffset.x;
dy = m_End.y + aOffset.y;
mode = DisplayOpt.DisplayDrawItems;
if( m_Flags & FORCE_SKETCH )
mode = SKETCH;
if( l_trace < DC->DeviceToLogicalXRel( MIN_DRAW_WIDTH ) )
mode = LINE;
switch( m_Shape )
{
case S_CIRCLE:
radius = (int) hypot( (double) (dx - ux0), (double) (dy - uy0) );
if( mode == LINE )
{
GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius, color );
}
else if( mode == SKETCH )
{
GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius - l_trace, color );
GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius + l_trace, color );
}
else
{
GRCircle( panel->GetClipBox(), DC, ux0, uy0, radius, m_Width, color );
}
break;
case S_ARC:
int StAngle, EndAngle;
radius = (int) hypot( (double) (dx - ux0), (double) (dy - uy0) );
StAngle = (int) ArcTangente( dy - uy0, dx - ux0 );
EndAngle = StAngle + m_Angle;
if( !panel->GetPrintMirrored() )
{
if( StAngle > EndAngle )
EXCHG( StAngle, EndAngle );
}
else // Mirrored mode: arc orientation is reversed
{
if( StAngle < EndAngle )
EXCHG( StAngle, EndAngle );
}
if( mode == LINE )
GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle, radius, color );
else if( mode == SKETCH )
{
GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
radius - l_trace, color );
GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
radius + l_trace, color );
}
else
{
GRArc( panel->GetClipBox(), DC, ux0, uy0, StAngle, EndAngle,
radius, m_Width, color );
}
break;
case S_CURVE:
m_BezierPoints = Bezier2Poly(m_Start, m_BezierC1, m_BezierC2, m_End);
for (unsigned int i=1; i < m_BezierPoints.size(); i++) {
if( mode == LINE )
GRLine( panel->GetClipBox(), DC,
m_BezierPoints[i].x, m_BezierPoints[i].y,
m_BezierPoints[i-1].x, m_BezierPoints[i-1].y, 0,
color );
else if( mode == SKETCH )
{
GRCSegm( panel->GetClipBox(), DC,
m_BezierPoints[i].x, m_BezierPoints[i].y,
m_BezierPoints[i-1].x, m_BezierPoints[i-1].y,
m_Width, color );
}
else
{
GRFillCSegm( panel->GetClipBox(), DC,
m_BezierPoints[i].x, m_BezierPoints[i].y,
m_BezierPoints[i-1].x, m_BezierPoints[i-1].y,
m_Width, color );
}
}
break;
default:
if( mode == LINE )
{
GRLine( panel->GetClipBox(), DC, ux0, uy0, dx, dy, 0, color );
}
else if( mode == SKETCH )
{
GRCSegm( panel->GetClipBox(), DC, ux0, uy0, dx, dy, m_Width, color );
}
else
{
GRFillCSegm( panel->GetClipBox(), DC, ux0, uy0, dx, dy, m_Width, color );
}
break;
}
}
// see pcbstruct.h
void DRAWSEGMENT::DisplayInfo( EDA_DRAW_FRAME* frame )
{
wxString msg;
wxString coords;
BOARD* board = (BOARD*) m_Parent;
wxASSERT( board );
frame->ClearMsgPanel();
msg = wxT( "DRAWING" );
frame->AppendMsgPanel( _( "Type" ), msg, DARKCYAN );
wxString shape = _( "Shape" );
switch( m_Shape ) {
case S_CIRCLE:
frame->AppendMsgPanel( shape, _( "Circle" ), RED );
break;
case S_ARC:
frame->AppendMsgPanel( shape, _( "Arc" ), RED );
msg.Printf( wxT( "%.1f" ), (double)m_Angle/10 );
frame->AppendMsgPanel( _("Angle"), msg, RED );
break;
case S_CURVE:
frame->AppendMsgPanel( shape, _( "Curve" ), RED );
break;
default:
frame->AppendMsgPanel( shape, _( "Segment" ), RED );
}
wxString start;
start << GetStart();
wxString end;
end << GetEnd();
frame->AppendMsgPanel( start, end, DARKGREEN );
frame->AppendMsgPanel( _( "Layer" ), board->GetLayerName( m_Layer ), DARKBROWN );
msg = frame->CoordinateToString( m_Width );
frame->AppendMsgPanel( _( "Width" ), msg, DARKCYAN );
}
EDA_RECT DRAWSEGMENT::GetBoundingBox() const
{
EDA_RECT bbox;
bbox.SetOrigin( m_Start );
switch( m_Shape )
{
case S_SEGMENT:
bbox.SetEnd( m_End );
break;
case S_CIRCLE:
bbox.Inflate( GetRadius() );
break;
case S_ARC:
{
bbox.Merge( m_End );
wxPoint end = m_End;
RotatePoint( &end, m_Start, -m_Angle );
bbox.Merge( end );
}
break;
case S_POLYGON:
{
wxPoint p_end;
MODULE* module = GetParentModule();
for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
{
wxPoint pt = m_PolyPoints[ii];
if( module ) // Transform, if we belong to a module
{
RotatePoint( &pt, module->GetOrientation() );
pt += module->m_Pos;
}
if( ii == 0 )
p_end = pt;
bbox.SetX( MIN( bbox.GetX(), pt.x ) );
bbox.SetY( MIN( bbox.GetY(), pt.y ) );
p_end.x = MAX( p_end.x, pt.x );
p_end.y = MAX( p_end.y, pt.y );
}
bbox.SetEnd( p_end );
}
break;
default:
;
}
bbox.Inflate( ((m_Width+1) / 2) + 1 );
bbox.Normalize();
return bbox;
}
bool DRAWSEGMENT::HitTest( const wxPoint& aPosition )
{
/* Calculate coordinates to test relative to segment origin. */
wxPoint relPos = aPosition - m_Start;
switch( m_Shape )
{
case S_CIRCLE:
case S_ARC:
{
int radius = GetRadius();
int dist = (int) hypot( (double) relPos.x, (double) relPos.y );
if( abs( radius - dist ) <= ( m_Width / 2 ) )
{
if( m_Shape == S_CIRCLE )
return true;
wxPoint startVec = wxPoint( m_End.x - m_Start.x, m_End.y - m_Start.y );
wxPoint endVec = m_End - m_Start;
RotatePoint( &endVec, -m_Angle );
// Check dot products
if( (long long)relPos.x*startVec.x + (long long)relPos.y*startVec.y < 0 )
return false;
if( (long long)relPos.x*endVec.x + (long long)relPos.y*endVec.y < 0 )
return false;
return true;
}
}
break;
case S_CURVE:
for( unsigned int i= 1; i < m_BezierPoints.size(); i++)
{
if( TestSegmentHit( aPosition, m_BezierPoints[i-1], m_BezierPoints[i-1], m_Width / 2 ) )
return true;
}
break;
case S_SEGMENT:
if( TestSegmentHit( aPosition, m_Start, m_End, m_Width / 2 ) )
return true;
break;
default:
wxASSERT( 0 );
break;
}
return false;
}
bool DRAWSEGMENT::HitTest( const EDA_RECT& aRect ) const
{
switch( m_Shape )
{
case S_CIRCLE:
{
int radius = GetRadius();
// Text if area intersects the circle:
EDA_RECT area = aRect;
area.Inflate( radius );
if( area.Contains( m_Start ) )
return true;
}
break;
case S_ARC:
case S_SEGMENT:
if( aRect.Contains( GetStart() ) )
return true;
if( aRect.Contains( GetEnd() ) )
return true;
break;
default:
;
}
return false;
}
wxString DRAWSEGMENT::GetSelectMenuText() const
{
wxString text;
wxString temp = ::LengthDoubleToString( GetLength() );
text.Printf( _( "Pcb Graphic: %s length: %s on %s" ),
GetChars( ShowShape( (STROKE_T) m_Shape ) ),
GetChars( temp ), GetChars( GetLayerName() ) );
return text;
}
EDA_ITEM* DRAWSEGMENT::Clone() const
{
return new DRAWSEGMENT( *this );
}
#if defined(DEBUG)
void DRAWSEGMENT::Show( int nestLevel, std::ostream& os ) const
{
NestedSpace( nestLevel, os ) << '<' << GetClass().Lower().mb_str() <<
" shape=\"" << m_Shape << '"' <<
/*
" layer=\"" << GetLayer() << '"' <<
" width=\"" << m_Width << '"' <<
" angle=\"" << m_Angle << '"' << // Used only for Arcs: Arc angle in 1/10 deg
*/
'>' <<
"<start" << m_Start << "/>" <<
"<end" << m_End << "/>"
"<GetStart" << GetStart() << "/>" <<
"<GetEnd" << GetEnd() << "/>"
;
os << "</" << GetClass().Lower().mb_str() << ">\n";
}
#endif
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