kicad/eeschema/lib_circle.cpp

355 lines
9.8 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2004-2011 KiCad Developers, see change_log.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 lib_circle.cpp
* @brief LIB_CIRCLE class implementation.
*/
#include <fctsys.h>
#include <gr_basic.h>
#include <macros.h>
#include <class_drawpanel.h>
#include <plot_common.h>
#include <trigo.h>
#include <wxstruct.h>
#include <richio.h>
#include <general.h>
#include <protos.h>
#include <lib_circle.h>
#include <transform.h>
LIB_CIRCLE::LIB_CIRCLE( LIB_COMPONENT* aParent ) :
LIB_ITEM( LIB_CIRCLE_T, aParent )
{
m_Radius = 0;
m_Width = 0;
m_Fill = NO_FILL;
m_isFillable = true;
m_typeName = _( "Circle" );
}
bool LIB_CIRCLE::Save( OUTPUTFORMATTER& aFormatter )
{
aFormatter.Print( 0, "C %d %d %d %d %d %d %c\n", m_Pos.x, m_Pos.y,
m_Radius, m_Unit, m_Convert, m_Width, fill_tab[m_Fill] );
return true;
}
bool LIB_CIRCLE::Load( LINE_READER& aLineReader, wxString& aErrorMsg )
{
char tmp[256];
char* line = (char*) aLineReader;
int cnt = sscanf( line + 2, "%d %d %d %d %d %d %s", &m_Pos.x, &m_Pos.y,
&m_Radius, &m_Unit, &m_Convert, &m_Width, tmp );
if( cnt < 6 )
{
aErrorMsg.Printf( _( "circle only had %d parameters of the required 6" ), cnt );
return false;
}
if( tmp[0] == 'F' )
m_Fill = FILLED_SHAPE;
if( tmp[0] == 'f' )
m_Fill = FILLED_WITH_BG_BODYCOLOR;
return true;
}
bool LIB_CIRCLE::HitTest( const wxPoint& aPosRef )
{
int mindist = GetPenSize() / 2;
// Have a minimal tolerance for hit test
if( mindist < MINIMUM_SELECTION_DISTANCE )
mindist = MINIMUM_SELECTION_DISTANCE;
return HitTest( aPosRef, mindist, DefaultTransform );
}
bool LIB_CIRCLE::HitTest( wxPoint aPosRef, int aThreshold, const TRANSFORM& aTransform )
{
if( aThreshold < 0 )
aThreshold = GetPenSize() / 2;
wxPoint relpos = aPosRef - aTransform.TransformCoordinate( m_Pos );
int dist = wxRound( sqrt( ( (double) relpos.x * relpos.x ) +
( (double) relpos.y * relpos.y ) ) );
if( abs( dist - m_Radius ) <= aThreshold )
return true;
return false;
}
EDA_ITEM* LIB_CIRCLE::Clone() const
{
return new LIB_CIRCLE( *this );
}
int LIB_CIRCLE::compare( const LIB_ITEM& aOther ) const
{
wxASSERT( aOther.Type() == LIB_CIRCLE_T );
const LIB_CIRCLE* tmp = ( LIB_CIRCLE* ) &aOther;
if( m_Pos.x != tmp->m_Pos.x )
return m_Pos.x - tmp->m_Pos.x;
if( m_Pos.y != tmp->m_Pos.y )
return m_Pos.y - tmp->m_Pos.y;
if( m_Radius != tmp->m_Radius )
return m_Radius - tmp->m_Radius;
return 0;
}
void LIB_CIRCLE::SetOffset( const wxPoint& aOffset )
{
m_Pos += aOffset;
}
bool LIB_CIRCLE::Inside( EDA_RECT& aRect ) const
{
/*
* FIXME: This fails to take into account the radius around the center
* point.
*/
return aRect.Contains( m_Pos.x, -m_Pos.y );
}
void LIB_CIRCLE::Move( const wxPoint& aPosition )
{
m_Pos = aPosition;
}
void LIB_CIRCLE::MirrorHorizontal( const wxPoint& aCenter )
{
m_Pos.x -= aCenter.x;
m_Pos.x *= -1;
m_Pos.x += aCenter.x;
}
void LIB_CIRCLE::MirrorVertical( const wxPoint& aCenter )
{
m_Pos.y -= aCenter.y;
m_Pos.y *= -1;
m_Pos.y += aCenter.y;
}
void LIB_CIRCLE::Rotate( const wxPoint& aCenter, bool aRotateCCW )
{
int rot_angle = aRotateCCW ? -900 : 900;
RotatePoint( &m_Pos, aCenter, rot_angle );
}
void LIB_CIRCLE::Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
const TRANSFORM& aTransform )
{
wxPoint pos = aTransform.TransformCoordinate( m_Pos ) + aOffset;
if( aFill && m_Fill == FILLED_WITH_BG_BODYCOLOR )
{
aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
aPlotter->circle( pos, m_Radius * 2, FILLED_SHAPE, 0 );
}
bool already_filled = m_Fill == FILLED_WITH_BG_BODYCOLOR;
aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE ) );
aPlotter->circle( pos, m_Radius * 2, already_filled ? NO_FILL : m_Fill, GetPenSize() );
}
int LIB_CIRCLE::GetPenSize() const
{
return ( m_Width == 0 ) ? g_DrawDefaultLineThickness : m_Width;
}
void LIB_CIRCLE::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
int aColor, int aDrawMode, void* aData, const TRANSFORM& aTransform )
{
wxPoint pos1;
int color = ReturnLayerColor( LAYER_DEVICE );
if( aColor < 0 ) // Used normal color or selected color
{
if( IsSelected() )
color = g_ItemSelectetColor;
}
else
{
color = aColor;
}
pos1 = aTransform.TransformCoordinate( m_Pos ) + aOffset;
GRSetDrawMode( aDC, aDrawMode );
FILL_T fill = aData ? NO_FILL : m_Fill;
if( aColor >= 0 )
fill = NO_FILL;
if( fill == FILLED_WITH_BG_BODYCOLOR )
GRFilledCircle( aPanel->GetClipBox(), aDC, pos1.x, pos1.y, m_Radius, GetPenSize(),
(m_Flags & IS_MOVED) ? color : ReturnLayerColor( LAYER_DEVICE_BACKGROUND ),
ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
else if( fill == FILLED_SHAPE )
GRFilledCircle( aPanel->GetClipBox(), aDC, pos1.x, pos1.y, m_Radius, 0, color, color );
else
GRCircle( aPanel->GetClipBox(), aDC, pos1.x, pos1.y, m_Radius, GetPenSize(), color );
/* Set to one (1) to draw bounding box around circle to validate bounding
* box calculation. */
#if 0
EDA_RECT bBox = GetBoundingBox();
GRRect( aPanel->GetClipBox(), aDC, bBox.GetOrigin().x, bBox.GetOrigin().y,
bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
}
EDA_RECT LIB_CIRCLE::GetBoundingBox() const
{
EDA_RECT rect;
rect.SetOrigin( m_Pos.x - m_Radius, ( m_Pos.y - m_Radius ) * -1 );
rect.SetEnd( m_Pos.x + m_Radius, ( m_Pos.y + m_Radius ) * -1 );
rect.Inflate( m_Width / 2, m_Width / 2 );
return rect;
}
void LIB_CIRCLE::DisplayInfo( EDA_DRAW_FRAME* aFrame )
{
wxString msg;
EDA_RECT bBox = GetBoundingBox();
LIB_ITEM::DisplayInfo( aFrame );
msg = ReturnStringFromValue( g_UserUnit, m_Width, EESCHEMA_INTERNAL_UNIT, true );
aFrame->AppendMsgPanel( _( "Line width" ), msg, BLUE );
msg = ReturnStringFromValue( g_UserUnit, m_Radius, EESCHEMA_INTERNAL_UNIT, true );
aFrame->AppendMsgPanel( _( "Radius" ), msg, RED );
msg.Printf( wxT( "(%d, %d, %d, %d)" ), bBox.GetOrigin().x,
bBox.GetOrigin().y, bBox.GetEnd().x, bBox.GetEnd().y );
aFrame->AppendMsgPanel( _( "Bounding box" ), msg, BROWN );
}
wxString LIB_CIRCLE::GetSelectMenuText() const
{
return wxString::Format( _( "Circle center (%s, %s), radius %s" ),
GetChars( CoordinateToString( m_Pos.x, EESCHEMA_INTERNAL_UNIT ) ),
GetChars( CoordinateToString( m_Pos.y, EESCHEMA_INTERNAL_UNIT ) ),
GetChars( CoordinateToString( m_Radius, EESCHEMA_INTERNAL_UNIT ) ) );
}
void LIB_CIRCLE::BeginEdit( int aEditMode, const wxPoint aPosition )
{
wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
wxT( "Invalid edit mode for LIB_CIRCLE object." ) );
if( aEditMode == IS_NEW )
{
m_Pos = m_initialPos = aPosition;
}
else if( aEditMode == IS_MOVED )
{
m_initialPos = m_Pos;
m_initialCursorPos = aPosition;
SetEraseLastDrawItem();
}
else if( aEditMode == IS_RESIZED )
{
SetEraseLastDrawItem();
}
m_Flags = aEditMode;
}
bool LIB_CIRCLE::ContinueEdit( const wxPoint aPosition )
{
wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0, false,
wxT( "Bad call to ContinueEdit(). LIB_CIRCLE is not being edited." ) );
return false;
}
void LIB_CIRCLE::EndEdit( const wxPoint& aPosition, bool aAbort )
{
wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
wxT( "Bad call to EndEdit(). LIB_CIRCLE is not being edited." ) );
SetEraseLastDrawItem( false );
m_Flags = 0;
}
void LIB_CIRCLE::calcEdit( const wxPoint& aPosition )
{
if( m_Flags == IS_NEW || m_Flags == IS_RESIZED )
{
if( m_Flags == IS_NEW )
SetEraseLastDrawItem();
int dx = m_Pos.x - aPosition.x;
int dy = m_Pos.y - aPosition.y;
m_Radius = wxRound( sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) ) );
}
else
{
Move( m_initialPos + aPosition - m_initialCursorPos );
}
}