haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
kicad/eeschema/lib_polyline.cpp

509 lines
14 KiB
C++
Raw Blame History

/************************/
/** class LIB_POLYLINE **/
/************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "class_drawpanel.h"
#include "plot_common.h"
#include "trigo.h"
#include "general.h"
#include "protos.h"
#include "lib_polyline.h"
#include "transform.h"
LIB_POLYLINE::LIB_POLYLINE( LIB_COMPONENT* aParent ) :
LIB_DRAW_ITEM( COMPONENT_POLYLINE_DRAW_TYPE, aParent )
{
m_Fill = NO_FILL;
m_Width = 0;
m_isFillable = true;
m_typeName = _( "PolyLine" );
}
LIB_POLYLINE::LIB_POLYLINE( const LIB_POLYLINE& polyline ) :
LIB_DRAW_ITEM( polyline )
{
m_PolyPoints = polyline.m_PolyPoints; // Vector copy
m_Width = polyline.m_Width;
m_Fill = polyline.m_Fill;
}
bool LIB_POLYLINE::Save( FILE* aFile )
{
int ccount = GetCornerCount();
if( fprintf( aFile, "P %d %d %d %d", ccount, m_Unit, m_Convert, m_Width ) < 0 )
return false;
for( unsigned i = 0; i < GetCornerCount(); i++ )
{
if( fprintf( aFile, " %d %d", m_PolyPoints[i].x, m_PolyPoints[i].y ) < 0 )
return false;
}
if( fprintf( aFile, " %c\n", fill_tab[m_Fill] ) < 0 )
return false;
return true;
}
bool LIB_POLYLINE::Load( char* aLine, wxString& aErrorMsg )
{
char* p;
int i, ccount = 0;
wxPoint pt;
i = sscanf( &aLine[2], "%d %d %d %d", &ccount, &m_Unit, &m_Convert,
&m_Width );
m_Fill = NO_FILL;
if( i < 4 )
{
aErrorMsg.Printf( _( "polyline only had %d parameters of the required 4" ), i );
return false;
}
if( ccount <= 0 )
{
aErrorMsg.Printf( _( "polyline count parameter %d is invalid" ), ccount );
return false;
}
p = strtok( &aLine[2], " \t\n" );
p = strtok( NULL, " \t\n" );
p = strtok( NULL, " \t\n" );
p = strtok( NULL, " \t\n" );
for( i = 0; i < ccount; i++ )
{
wxPoint point;
p = strtok( NULL, " \t\n" );
if( p == NULL || sscanf( p, "%d", &pt.x ) != 1 )
{
aErrorMsg.Printf( _( "polyline point %d X position not defined" ), i );
return false;
}
p = strtok( NULL, " \t\n" );
if( p == NULL || sscanf( p, "%d", &pt.y ) != 1 )
{
aErrorMsg.Printf( _( "polyline point %d Y position not defined" ), i );
return false;
}
AddPoint( pt );
}
if( ( p = strtok( NULL, " \t\n" ) ) != NULL )
{
if( p[0] == 'F' )
m_Fill = FILLED_SHAPE;
if( p[0] == 'f' )
m_Fill = FILLED_WITH_BG_BODYCOLOR;
}
return true;
}
LIB_DRAW_ITEM* LIB_POLYLINE::DoGenCopy()
{
LIB_POLYLINE* newitem = new LIB_POLYLINE( GetParent() );
newitem->m_PolyPoints = m_PolyPoints; // Vector copy
newitem->m_Width = m_Width;
newitem->m_Unit = m_Unit;
newitem->m_Convert = m_Convert;
newitem->m_Flags = m_Flags;
newitem->m_Fill = m_Fill;
return (LIB_DRAW_ITEM*) newitem;
}
int LIB_POLYLINE::DoCompare( const LIB_DRAW_ITEM& aOther ) const
{
wxASSERT( aOther.Type() == COMPONENT_POLYLINE_DRAW_TYPE );
const LIB_POLYLINE* tmp = ( LIB_POLYLINE* ) &aOther;
if( m_PolyPoints.size() != tmp->m_PolyPoints.size() )
return m_PolyPoints.size() - tmp->m_PolyPoints.size();
for( size_t i = 0; i < m_PolyPoints.size(); i++ )
{
if( m_PolyPoints[i].x != tmp->m_PolyPoints[i].x )
return m_PolyPoints[i].x - tmp->m_PolyPoints[i].x;
if( m_PolyPoints[i].y != tmp->m_PolyPoints[i].y )
return m_PolyPoints[i].y - tmp->m_PolyPoints[i].y;
}
return 0;
}
void LIB_POLYLINE::DoOffset( const wxPoint& aOffset )
{
for( size_t i = 0; i < m_PolyPoints.size(); i++ )
m_PolyPoints[i] += aOffset;
}
bool LIB_POLYLINE::DoTestInside( EDA_Rect& aRect ) const
{
for( size_t i = 0; i < m_PolyPoints.size(); i++ )
{
if( aRect.Inside( m_PolyPoints[i].x, -m_PolyPoints[i].y ) )
return true;
}
return false;
}
void LIB_POLYLINE::DoMove( const wxPoint& aPosition )
{
DoOffset( aPosition - m_PolyPoints[0] );
}
void LIB_POLYLINE::DoMirrorHorizontal( const wxPoint& aCenter )
{
size_t i, imax = m_PolyPoints.size();
for( i = 0; i < imax; i++ )
{
m_PolyPoints[i].x -= aCenter.x;
m_PolyPoints[i].x *= -1;
m_PolyPoints[i].x += aCenter.x;
}
}
void LIB_POLYLINE::DoPlot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
const TRANSFORM& aTransform )
{
wxASSERT( aPlotter != NULL );
size_t i;
int* Poly = (int*) MyMalloc( sizeof(int) * 2 * GetCornerCount() );
if( Poly == NULL )
return;
for( i = 0; i < m_PolyPoints.size(); i++ )
{
wxPoint pos = m_PolyPoints[i];
pos = aTransform.TransformCoordinate(pos ) + aOffset;
Poly[i * 2] = pos.x;
Poly[i * 2 + 1] = pos.y;
}
if( aFill && m_Fill == FILLED_WITH_BG_BODYCOLOR )
{
aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
aPlotter->poly( i, Poly, FILLED_WITH_BG_BODYCOLOR, 0 );
aFill = false; // body is now filled, do not fill it later.
}
bool already_filled = m_Fill == FILLED_WITH_BG_BODYCOLOR;
aPlotter->set_color( ReturnLayerColor( LAYER_DEVICE ) );
aPlotter->poly( i, Poly, already_filled ? NO_FILL : m_Fill, GetPenSize() );
MyFree( Poly );
}
void LIB_POLYLINE::AddPoint( const wxPoint& point )
{
m_PolyPoints.push_back( point );
}
/** Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
int LIB_POLYLINE::GetPenSize()
{
return ( m_Width == 0 ) ? g_DrawDefaultLineThickness : m_Width;
}
void LIB_POLYLINE::drawGraphic( WinEDA_DrawPanel* aPanel, wxDC* aDC, const wxPoint& aOffset,
int aColor, int aDrawMode, void* aData,
const TRANSFORM& aTransform )
{
wxPoint pos1;
int color = ReturnLayerColor( LAYER_DEVICE );
// Buffer used to store current corners coordinates for drawings
static wxPoint* Buf_Poly_Drawings = NULL;
static unsigned Buf_Poly_Size = 0;
if( aColor < 0 ) // Used normal color or selected color
{
if( m_Selected & IS_SELECTED )
color = g_ItemSelectetColor;
}
else
color = aColor;
// Set the size of the buffer of coordinates
if( Buf_Poly_Drawings == NULL )
{
Buf_Poly_Size = m_PolyPoints.size();
Buf_Poly_Drawings = (wxPoint*) MyMalloc( sizeof(wxPoint) * Buf_Poly_Size );
}
else if( Buf_Poly_Size < m_PolyPoints.size() )
{
Buf_Poly_Size = m_PolyPoints.size();
Buf_Poly_Drawings = (wxPoint*) realloc( Buf_Poly_Drawings,
sizeof(wxPoint) * Buf_Poly_Size );
}
// This should probably throw an exception instead of displaying a warning message.
if( Buf_Poly_Drawings == NULL )
{
wxLogWarning( wxT( "Cannot allocate memory to draw polylines." ) );
return;
}
for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
{
Buf_Poly_Drawings[ii] = aTransform.TransformCoordinate( m_PolyPoints[ii] ) + aOffset;
}
FILL_T fill = aData ? NO_FILL : m_Fill;
if( aColor >= 0 )
fill = NO_FILL;
GRSetDrawMode( aDC, aDrawMode );
if( fill == FILLED_WITH_BG_BODYCOLOR )
GRPoly( &aPanel->m_ClipBox, aDC, m_PolyPoints.size(),
Buf_Poly_Drawings, 1, GetPenSize( ),
(m_Flags & IS_MOVED) ? color : ReturnLayerColor( LAYER_DEVICE_BACKGROUND ),
ReturnLayerColor( LAYER_DEVICE_BACKGROUND ) );
else if( fill == FILLED_SHAPE )
GRPoly( &aPanel->m_ClipBox, aDC, m_PolyPoints.size(),
Buf_Poly_Drawings, 1, GetPenSize( ), color, color );
else
GRPoly( &aPanel->m_ClipBox, aDC, m_PolyPoints.size(),
Buf_Poly_Drawings, 0, GetPenSize( ), color, color );
/* Set to one (1) to draw bounding box around polyline to validate
* bounding box calculation. */
#if 0
EDA_Rect bBox = GetBoundingBox();
bBox.Inflate( m_Width + 1, m_Width + 1 );
GRRect( &aPanel->m_ClipBox, aDC, bBox.GetOrigin().x, bBox.GetOrigin().y,
bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
}
/**
* Function HitTest
* tests if the given wxPoint is within the bounds of this object.
* @param aRefPos A wxPoint to test
* @return true if a hit, else false
*/
bool LIB_POLYLINE::HitTest( const wxPoint& aRefPos )
{
int mindist = m_Width ? m_Width / 2 : g_DrawDefaultLineThickness / 2;
// Have a minimal tolerance for hit test
if( mindist < MINIMUM_SELECTION_DISTANCE )
mindist = MINIMUM_SELECTION_DISTANCE;
return HitTest( aRefPos, mindist, DefaultTransform );
}
/** Function HitTest
* @return true if the point aPosRef is near a segment
* @param aPosRef = a wxPoint to test
* @param aThreshold = max distance to a segment
* @param aTransMat = the transform matrix
*/
bool LIB_POLYLINE::HitTest( wxPoint aPosRef, int aThreshold, const TRANSFORM& aTransform )
{
wxPoint ref, start, end;
for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
{
start = aTransform.TransformCoordinate( m_PolyPoints[ii - 1] );
end = aTransform.TransformCoordinate( m_PolyPoints[ii] );
if( TestSegmentHit( aPosRef, start, end, aThreshold ) )
return true;
}
return false;
}
/** Function GetBoundingBox
* @return the boundary box for this, in library coordinates
*/
EDA_Rect LIB_POLYLINE::GetBoundingBox()
{
EDA_Rect rect;
int xmin, xmax, ymin, ymax;
xmin = xmax = m_PolyPoints[0].x;
ymin = ymax = m_PolyPoints[0].y;
for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
{
xmin = MIN( xmin, m_PolyPoints[ii].x );
xmax = MAX( xmax, m_PolyPoints[ii].x );
ymin = MIN( ymin, m_PolyPoints[ii].y );
ymax = MAX( ymax, m_PolyPoints[ii].y );
}
rect.SetOrigin( xmin, ymin * -1 );
rect.SetEnd( xmax, ymax * -1 );
rect.Inflate( m_Width / 2, m_Width / 2 );
return rect;
}
void LIB_POLYLINE::DeleteSegment( const wxPoint aPosition )
{
// First segment is kept, only its end point is changed
while( GetCornerCount() > 2 )
{
m_PolyPoints.pop_back();
if( m_PolyPoints[ GetCornerCount() - 1 ] != aPosition )
{
m_PolyPoints[ GetCornerCount() - 1 ] = aPosition;
break;
}
}
}
void LIB_POLYLINE::DisplayInfo( WinEDA_DrawFrame* aFrame )
{
wxString msg;
EDA_Rect bBox = GetBoundingBox();
LIB_DRAW_ITEM::DisplayInfo( aFrame );
msg = ReturnStringFromValue( g_UserUnit, m_Width, EESCHEMA_INTERNAL_UNIT, true );
aFrame->AppendMsgPanel(_( "Line width" ), msg, BLUE );
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 );
}
void LIB_POLYLINE::BeginEdit( int aEditMode, const wxPoint aPosition )
{
wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
wxT( "Invalid edit mode for LIB_POLYLINE object." ) );
if( aEditMode == IS_NEW )
{
m_PolyPoints.push_back( aPosition ); // Start point of first segment.
m_PolyPoints.push_back( aPosition ); // End point of first segment.
}
else if( aEditMode == IS_RESIZED )
{
// Drag one edge point of the polyline
// Find the nearest edge point to be dragged
wxPoint startPoint = m_PolyPoints[0];
// Begin with the first list point as nearest point
int index = 0;
m_ModifyIndex = 0;
m_initialPos = startPoint;
// First distance is the current minimum distance
int distanceMin = (aPosition - startPoint).x * (aPosition - startPoint).x
+ (aPosition - startPoint).y * (aPosition - startPoint).y;
// Find the right index of the point to be dragged
BOOST_FOREACH( wxPoint point, m_PolyPoints )
{
int distancePoint = (aPosition - point).x * (aPosition - point).x +
(aPosition - point).y * (aPosition - point).y;
if( distancePoint < distanceMin )
{
// Save point.
m_initialPos = point;
m_ModifyIndex = index;
distanceMin = distancePoint;
break;
}
index++;
}
SetEraseLastDrawItem();
}
else if( aEditMode == IS_MOVED )
{
m_initialCursorPos = aPosition;
m_initialPos = m_PolyPoints[0];
SetEraseLastDrawItem();
}
m_Flags = aEditMode;
}
bool LIB_POLYLINE::ContinueEdit( const wxPoint aPosition )
{
wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0, false,
wxT( "Bad call to ContinueEdit(). LIB_POLYLINE is not being edited." ) );
if( m_Flags == IS_NEW )
{
m_PolyPoints.push_back( aPosition );
return true;
}
return false;
}
void LIB_POLYLINE::EndEdit( const wxPoint& aPosition, bool aAbort )
{
wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
wxT( "Bad call to EndEdit(). LIB_POLYLINE is not being edited." ) );
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 )
{
m_PolyPoints[ m_ModifyIndex ] = aPosition;
}
else if( m_Flags == IS_MOVED )
{
Move( m_initialPos + aPosition - m_initialCursorPos );
}
}
Reference in New Issue View Git Blame Copy Permalink