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kicad/eeschema/symbdraw.cpp

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/*********************************************************************/
/* EESchema - symbdraw.cpp */
/* Create, move .. graphic shapes used to build and draw a component */
/* (lines, arcs .. */
/*********************************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "appl_wxstruct.h"
#include "common.h"
#include "class_drawpanel.h"
#include "confirm.h"
#include "eeschema_id.h"
#include "program.h"
#include "general.h"
#include "trigo.h"
#include "protos.h"
#include "libeditfrm.h"
#include "class_libentry.h"
#include "dialog_lib_edit_draw_item.h"
static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase );
static void ComputeArc( LIB_ARC* DrawItem, wxPoint ArcCentre );
static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel,
wxDC* DC,
bool erase );
static int StateDrawArc, ArcStartX, ArcStartY, ArcEndX, ArcEndY;
static wxPoint InitPosition, StartCursor, ItemPreviousPos;
/*
* Show the dialog box for editing a graphical item properties
*/
void WinEDA_LibeditFrame::EditGraphicSymbol( wxDC* DC, LIB_DRAW_ITEM* DrawItem )
{
if( DrawItem == NULL )
return;
LIB_COMPONENT* component = DrawItem->GetParent();
DIALOG_LIB_EDIT_DRAW_ITEM dlg( this, DrawItem->m_typeName );
dlg.SetWidthUnits( ReturnUnitSymbol( g_UnitMetric ) );
wxString val = ReturnStringFromValue( g_UnitMetric, m_drawLineWidth,
m_InternalUnits );
dlg.SetWidth( val );
dlg.SetApplyToAllUnits( !m_drawSpecificUnit );
dlg.EnableApplyToAllUnits( component && component->GetPartCount() > 1 );
dlg.SetApplyToAllConversions( !m_drawSpecificConvert );
dlg.EnableApplyToAllConversions( component && component->HasConversion() );
dlg.SetFillStyle( m_drawFillStyle );
dlg.EnableFillStyle( DrawItem->IsFillable() );
if( dlg.ShowModal() == wxID_CANCEL )
return;
val = dlg.GetWidth();
m_drawLineWidth = ReturnValueFromString( g_UnitMetric, val,
m_InternalUnits );
m_drawSpecificConvert = !dlg.GetApplyToAllConversions();
m_drawSpecificUnit = !dlg.GetApplyToAllUnits();
if( DrawItem->IsFillable() )
m_drawFillStyle = (FILL_T) dlg.GetFillStyle();
// Save copy for undo is done before place.
if( !( DrawItem->m_Flags & IS_NEW ) )
SaveCopyInUndoList( DrawItem->GetParent() );
if( m_drawSpecificUnit )
DrawItem->m_Unit = GetUnit();
else
DrawItem->m_Unit = 0;
if( m_drawSpecificConvert )
DrawItem->m_Convert = GetConvert();
else
DrawItem->m_Convert = 0;
if( DrawItem->IsFillable() )
DrawItem->m_Fill = m_drawFillStyle;
DrawItem->SetWidth( m_drawLineWidth );
if( component )
component->GetDrawItemList().sort();
GetScreen()->SetModify();
DrawItem->DisplayInfo( this );
DrawPanel->Refresh();
}
static void AbortSymbolTraceOn( WinEDA_DrawPanel* Panel, wxDC* DC )
{
LIB_DRAW_ITEM* item;
WinEDA_LibeditFrame* parent = ( WinEDA_LibeditFrame* ) Panel->GetParent();
item = parent->GetDrawItem();
if( item == NULL )
return;
StateDrawArc = 0;
Panel->ManageCurseur = NULL;
Panel->ForceCloseManageCurseur = NULL;
if( item->m_Flags & IS_NEW )
{
if( item->Type() == COMPONENT_ARC_DRAW_TYPE )
Panel->GetParent()->RedrawActiveWindow( DC, TRUE );
else
item->Draw( Panel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL,
DefaultTransformMatrix );
SAFE_DELETE( item );
parent->SetDrawItem( NULL );
}
else
{
wxPoint curpos = Panel->GetScreen()->m_Curseur;
Panel->GetScreen()->m_Curseur = StartCursor;
RedrawWhileMovingCursor( Panel, DC, TRUE );
Panel->GetScreen()->m_Curseur = curpos;
item->Draw( Panel, DC, wxPoint( 0, 0 ), -1, GR_DEFAULT_DRAWMODE, NULL,
DefaultTransformMatrix );
item->m_Flags = 0;
}
}
LIB_DRAW_ITEM* WinEDA_LibeditFrame::CreateGraphicItem( LIB_COMPONENT* LibEntry,
wxDC* DC )
{
DrawPanel->ManageCurseur = SymbolDisplayDraw;
DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn;
switch( m_ID_current_state )
{
case ID_LIBEDIT_BODY_ARC_BUTT:
{
LIB_ARC* Arc = new LIB_ARC( LibEntry );
m_drawItem = Arc;
ArcStartX = ArcEndX = GetScreen()->m_Curseur.x;
ArcStartY = ArcEndY = -( GetScreen()->m_Curseur.y );
StateDrawArc = 1;
Arc->m_Fill = m_drawFillStyle;
Arc->m_Width = m_drawLineWidth;
}
break;
case ID_LIBEDIT_BODY_CIRCLE_BUTT:
{
LIB_CIRCLE* Circle = new LIB_CIRCLE( LibEntry );
m_drawItem = Circle;
Circle->m_Pos = GetScreen()->m_Curseur;
NEGATE( Circle->m_Pos.y );
Circle->m_Fill = m_drawFillStyle;
Circle->m_Width = m_drawLineWidth;
}
break;
case ID_LIBEDIT_BODY_RECT_BUTT:
{
LIB_RECTANGLE* Square = new LIB_RECTANGLE( LibEntry );
m_drawItem = Square;
Square->m_Pos = GetScreen()->m_Curseur;
NEGATE( Square->m_Pos.y );
Square->m_End = Square->m_Pos;
Square->m_Fill = m_drawFillStyle;
Square->m_Width = m_drawLineWidth;
}
break;
case ID_LIBEDIT_BODY_LINE_BUTT:
{
LIB_POLYLINE* polyline = new LIB_POLYLINE( LibEntry );
m_drawItem = polyline;
wxPoint point = GetScreen()->m_Curseur;
NEGATE( point.y );
polyline->AddPoint( point ); // Start point of the current segment
polyline->AddPoint( point ); // End point of the current segment
polyline->m_Fill = m_drawFillStyle;
polyline->m_Width = m_drawLineWidth;
}
break;
case COMPONENT_LINE_DRAW_TYPE:
{
LIB_SEGMENT* Segment = new LIB_SEGMENT( LibEntry );
m_drawItem = Segment;
Segment->m_Pos = GetScreen()->m_Curseur;
NEGATE( Segment->m_Pos.y );
Segment->m_End = Segment->m_Pos;
Segment->m_Width = m_drawLineWidth;
}
break;
case ID_LIBEDIT_BODY_TEXT_BUTT:
{
LIB_TEXT* Text = new LIB_TEXT( LibEntry );
m_drawItem = Text;
Text->m_Size.x = Text->m_Size.y = m_textSize;
Text->m_Orient = m_textOrientation;
Text->m_Pos = GetScreen()->m_Curseur;
NEGATE( Text->m_Pos.y );
EditSymbolText( NULL, Text );
if( Text->m_Text.IsEmpty() )
{
SAFE_DELETE( Text );
m_drawItem = NULL;
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
}
else
{
StartMoveDrawSymbol( DC );
Text->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL,
DefaultTransformMatrix );
}
}
break;
default:
DisplayError( this, wxT( "WinEDA_LibeditFrame::CreateGraphicItem() \
error" ) );
return NULL;
}
if( m_drawItem )
{
m_drawItem->m_Flags |= IS_NEW;
if( m_drawSpecificUnit )
m_drawItem->m_Unit = m_unit;
if( m_drawSpecificConvert )
m_drawItem->m_Convert = m_convert;
}
DrawPanel->MouseToCursorSchema();
DrawPanel->m_IgnoreMouseEvents = FALSE;
return m_drawItem;
}
/* Create new library component graphic object.
*/
void WinEDA_LibeditFrame::GraphicItemBeginDraw( wxDC* DC )
{
if( m_drawItem == NULL )
return;
switch( m_drawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
if( StateDrawArc == 1 )
{
SymbolDisplayDraw( DrawPanel, DC, FALSE );
StateDrawArc = 2;
SymbolDisplayDraw( DrawPanel, DC, FALSE );
break;
}
if( StateDrawArc > 1 )
{
EndDrawGraphicItem( DC );
return;
}
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
case COMPONENT_RECT_DRAW_TYPE:
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
EndDrawGraphicItem( DC );
return;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
wxPoint pos = GetScreen()->m_Curseur;
NEGATE( pos.y );
( (LIB_POLYLINE*) m_drawItem )->AddPoint( pos );
}
break;
case COMPONENT_LINE_DRAW_TYPE:
break;
default:
;
}
}
/*
* Redraw the graphic shape while moving
*/
static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel,
wxDC* DC,
bool erase )
{
LIB_DRAW_ITEM* item;
item = ( ( WinEDA_LibeditFrame* ) panel->GetParent() )->GetDrawItem();
if( item == NULL )
return;
BASE_SCREEN* Screen = panel->GetScreen();
wxPoint pos;
/* Erase shape in the old position*/
if( erase )
{
pos = ItemPreviousPos - StartCursor;
item->Draw( panel, DC, pos, -1, g_XorMode, NULL,
DefaultTransformMatrix );
}
/* Redraw moved shape */
pos = Screen->m_Curseur - StartCursor;
item->Draw( panel, DC, pos, -1, g_XorMode, NULL, DefaultTransformMatrix );
ItemPreviousPos = Screen->m_Curseur;
}
void WinEDA_LibeditFrame::StartMoveDrawSymbol( wxDC* DC )
{
if( m_drawItem == NULL )
return;
SetCursor( wxCURSOR_HAND );
m_drawItem->m_Flags |= IS_MOVED;
StartCursor = GetScreen()->m_Curseur;
InitPosition = m_drawItem->GetPosition();
ItemPreviousPos = GetScreen()->m_Curseur;
DrawPanel->ManageCurseur = RedrawWhileMovingCursor;
DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn;
DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
}
/* Manage mouse events when creating new graphic object. */
static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
{
int dx, dy;
int DrawMode = g_XorMode;
BASE_SCREEN* Screen = panel->GetScreen();
wxPoint curr_pos = Screen->m_Curseur;
FILL_T fillStyle = NO_FILL;
LIB_DRAW_ITEM* item;
item = ( ( WinEDA_LibeditFrame* ) panel->GetParent() )->GetDrawItem();
if( item == NULL )
return;
fillStyle = ( ( WinEDA_LibeditFrame* ) panel->GetParent() )->GetFillStyle();
NEGATE( curr_pos.y );
GRSetDrawMode( DC, DrawMode );
if( erase )
{
if( StateDrawArc == 1 )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY,
ArcEndX, -ArcEndY, 0, Color );
}
else
{
item->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode, NULL,
DefaultTransformMatrix );
if( item->Type() == COMPONENT_ARC_DRAW_TYPE )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRDashedLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY,
( (LIB_ARC*) item )->m_Pos.x,
-( (LIB_ARC*) item )->m_Pos.y,
0, Color );
GRDashedLine( &panel->m_ClipBox, DC, ArcEndX, -ArcEndY,
( (LIB_ARC*) item )->m_Pos.x,
-( (LIB_ARC*) item )->m_Pos.y,
0, Color );
}
}
}
switch( item->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
if( StateDrawArc == 1 )
{
ArcEndX = curr_pos.x;
ArcEndY = curr_pos.y;
}
if( StateDrawArc == 2 )
{
ComputeArc( (LIB_ARC*) item, Screen->m_Curseur );
}
item ->m_Fill = fillStyle;
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
dx = ( (LIB_CIRCLE*) item )->m_Pos.x - curr_pos.x;
dy = ( (LIB_CIRCLE*) item )->m_Pos.y - curr_pos.y;
( (LIB_CIRCLE*) item )->m_Radius =
(int) sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) );
item->m_Fill = fillStyle;
break;
case COMPONENT_RECT_DRAW_TYPE:
( (LIB_RECTANGLE*) item )->m_End = curr_pos;
item->m_Fill = fillStyle;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
unsigned idx = ( (LIB_POLYLINE*) item )->GetCornerCount() - 1;
( (LIB_POLYLINE*) item )->m_PolyPoints[idx] = curr_pos;
item->m_Fill = fillStyle;
}
break;
case COMPONENT_LINE_DRAW_TYPE:
( (LIB_SEGMENT*) item )->m_End = curr_pos;
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
break;
default:
;
}
if( StateDrawArc == 1 )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY, ArcEndX,
-ArcEndY, 0, Color );
}
else
{
item->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode, NULL,
DefaultTransformMatrix );
if( item->Type() == COMPONENT_ARC_DRAW_TYPE )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRDashedLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY,
( (LIB_ARC*) item )->m_Pos.x,
-( (LIB_ARC*) item )->m_Pos.y,
0, Color );
GRDashedLine( &panel->m_ClipBox, DC, ArcEndX, -ArcEndY,
( (LIB_ARC*) item )->m_Pos.x,
-( (LIB_ARC*) item )->m_Pos.y,
0, Color );
}
}
}
/*
* Place the new graphic object in the list of component drawing objects.
*/
void WinEDA_LibeditFrame::EndDrawGraphicItem( wxDC* DC )
{
if( m_component == NULL || m_drawItem == NULL )
return;
if( m_drawItem->Type() == COMPONENT_ARC_DRAW_TYPE )
{
if( StateDrawArc == 1 ) /* Trace arc under way must be completed. */
{
DisplayError( this, wxT( "Arc in progress.." ) );
return;
}
else
{
if( ( m_drawItem->m_Flags & IS_MOVED ) == 0 )
SymbolDisplayDraw( DrawPanel, DC, FALSE );
}
}
StateDrawArc = 0;
if( m_drawItem->m_Flags & IS_NEW )
{
SaveCopyInUndoList( m_component );
m_component->AddDrawItem( m_drawItem );
switch( m_drawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
( (LIB_ARC*) m_drawItem )->m_Fill = m_drawFillStyle;
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
( (LIB_CIRCLE*) m_drawItem )->m_Fill = m_drawFillStyle;
break;
case COMPONENT_RECT_DRAW_TYPE:
( (LIB_RECTANGLE*) m_drawItem )->m_Fill = m_drawFillStyle;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
( (LIB_POLYLINE*) m_drawItem )->m_Fill = m_drawFillStyle;
break;
case COMPONENT_PIN_DRAW_TYPE:
case COMPONENT_LINE_DRAW_TYPE:
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
break;
default:
;
}
}
if( m_ID_current_state )
SetCursor( wxCURSOR_PENCIL );
else
SetCursor( wxCURSOR_ARROW );
if( m_drawItem->m_Flags & IS_MOVED )
{
wxPoint pos;
pos.x = GetScreen()->m_Curseur.x + InitPosition.x - StartCursor.x,
pos.y = GetScreen()->m_Curseur.y - InitPosition.y - StartCursor.y;
NEGATE( pos.y );
m_drawItem->Move( pos );
}
m_component->Draw( DrawPanel, DC, wxPoint( 0, 0 ), m_unit, m_convert,
GR_DEFAULT_DRAWMODE );
m_drawItem->m_Flags = 0;
m_drawItem = NULL;
GetScreen()->SetModify();
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
}
/*
* Routine for adjusting the parameters of the arc currently being drawn.
* Calculates the center, radius, angles for the arc current
* Passes through the points ArcStartX, ArcEndX Y and Y with the nearest center
* of the mouse position.
* Note: The center is obviously not on the grid
*/
static void ComputeArc( LIB_ARC* DrawItem, wxPoint ArcCentre )
{
int dx, dy;
int cX, cY;
int angle;
cX = ArcCentre.x;
cY = ArcCentre.y;
cY = -cY; /* Attention to the orientation of the axis Y. */
/* Calculating cX and cY for the arc passes through ArcStartX, ArcEndX,
* X and Y */
dx = ArcEndX - ArcStartX;
dy = ArcEndY - ArcStartY;
cX -= ArcStartX;
cY -= ArcStartY;
angle = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
RotatePoint( &dx, &dy, angle ); /* The segment dx, dy is horizontal
* -> Length = dx, dy = 0 */
RotatePoint( &cX, &cY, angle );
cX = dx / 2; /* cX, cY is on the median segment 0.0 a dx, 0 */
RotatePoint( &cX, &cY, -angle );
cX += ArcStartX;
cY += ArcStartY;
DrawItem->m_Pos.x = cX;
DrawItem->m_Pos.y = cY;
dx = ArcStartX - DrawItem->m_Pos.x;
dy = ArcStartY - DrawItem->m_Pos.y;
DrawItem->m_Radius = (int) sqrt( ( (double) dx * dx ) +
( (double) dy * dy ) );
DrawItem->m_t1 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
dx = ArcEndX - DrawItem->m_Pos.x;
dy = ArcEndY - DrawItem->m_Pos.y;
DrawItem->m_t2 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
DrawItem->m_ArcStart.x = ArcStartX;
DrawItem->m_ArcStart.y = ArcStartY;
DrawItem->m_ArcEnd.x = ArcEndX;
DrawItem->m_ArcEnd.y = ArcEndY;
NORMALIZE_ANGLE( DrawItem->m_t1 );
NORMALIZE_ANGLE( DrawItem->m_t2 ); // angles = 0 .. 3600
// Restrict angle to less than 180 to avoid PBS display mirror
// Trace because it is assumed that the arc is less than 180 deg to find
// orientation after rotate or mirror.
if( (DrawItem->m_t2 - DrawItem->m_t1) > 1800 )
DrawItem->m_t2 -= 3600;
else if( (DrawItem->m_t2 - DrawItem->m_t1) <= -1800 )
DrawItem->m_t2 += 3600;
wxString msg;
angle = DrawItem->m_t2 - DrawItem->m_t1;
msg.Printf( _( "Arc %.1f deg" ), (float) angle / 10 );
WinEDA_SchematicFrame* frame =
(WinEDA_SchematicFrame*) wxGetApp().GetTopWindow();
frame->m_LibeditFrame->PrintMsg( msg );
while( (DrawItem->m_t2 - DrawItem->m_t1) >= 1800 )
{
DrawItem->m_t2--;
DrawItem->m_t1++;
}
while( (DrawItem->m_t1 - DrawItem->m_t2) >= 1800 )
{
DrawItem->m_t2++;
DrawItem->m_t1--;
}
NORMALIZE_ANGLE( DrawItem->m_t1 );
NORMALIZE_ANGLE( DrawItem->m_t2 );
}
/*
* Used for deleting last entered segment while creating a Polyline
*/
void WinEDA_LibeditFrame::DeleteDrawPoly( wxDC* DC )
{
if( m_drawItem == NULL
|| m_drawItem->Type() != COMPONENT_POLYLINE_DRAW_TYPE )
return;
LIB_POLYLINE* Poly = (LIB_POLYLINE*) m_drawItem;
m_drawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL,
DefaultTransformMatrix );
// First segment is kept, only its end point is changed
while( Poly->GetCornerCount() > 2 )
{
Poly->m_PolyPoints.pop_back();
unsigned idx = Poly->GetCornerCount() - 1;
wxPoint point = GetScreen()->m_Curseur;
NEGATE( point.y );
if( Poly->m_PolyPoints[idx] != point )
{
Poly->m_PolyPoints[idx] = point;
break;
}
}
m_drawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL,
DefaultTransformMatrix );
}
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