kicad/eeschema/cleanup.cpp

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/*********************************/
/* Module de nettoyage du schema */
/*********************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "program.h"
#include "libcmp.h"
#include "general.h"
#include "netlist.h"
#include "macros.h"
#include "protos.h"
/* Routines locales */
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static int TstAlignSegment( EDA_DrawLineStruct* RefSegm, EDA_DrawLineStruct* TstSegm );
/* Variable locales */
/*******************************************/
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bool SCH_SCREEN::SchematicCleanUp( wxDC* DC )
/*******************************************/
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/* Routine de nettoyage:
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* - regroupe les segments de fils (ou de bus) alignes en 1 seul segment
* - Detecte les objets identiques superposes
*/
{
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EDA_BaseStruct* DrawList, * TstDrawList;
int flag;
bool Modify = FALSE;
DrawList = EEDrawList;
for( ; DrawList != NULL; DrawList = DrawList->Pnext )
{
if( DrawList->Type() == DRAW_SEGMENT_STRUCT_TYPE )
{
TstDrawList = DrawList->Pnext;
while( TstDrawList )
{
if( TstDrawList->Type() == DRAW_SEGMENT_STRUCT_TYPE )
{
flag = TstAlignSegment( (EDA_DrawLineStruct*) DrawList,
(EDA_DrawLineStruct*) TstDrawList );
if( flag ) /* Suppression de TstSegm */
{
/* keep the bits set in .m_Flags, because the deleted segment can be flagged */
DrawList->m_Flags |= TstDrawList->m_Flags;
EraseStruct( TstDrawList, this );
SetRefreshReq();
TstDrawList = EEDrawList;
Modify = TRUE;
}
else
TstDrawList = TstDrawList->Pnext;
}
else
TstDrawList = TstDrawList->Pnext;
}
}
}
g_EDA_Appl->m_SchematicFrame->TestDanglingEnds( EEDrawList, DC );
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return Modify;
}
/***********************************************/
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void BreakSegmentOnJunction( SCH_SCREEN* Screen )
/************************************************/
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/* Routine creant des debuts / fin de segment (BUS ou WIRES) sur les jonctions
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* et les raccords
*/
{
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EDA_BaseStruct* DrawList;
if( Screen == NULL )
{
DisplayError( NULL, wxT( "BreakSegmentOnJunction() error: NULL screen" ) );
return;
}
DrawList = Screen->EEDrawList;
while( DrawList )
{
switch( DrawList->Type() )
{
case DRAW_JUNCTION_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawJunctionStruct*) DrawList )
BreakSegment( Screen, STRUCT->m_Pos );
break;
case DRAW_BUSENTRY_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawBusEntryStruct*) DrawList )
BreakSegment( Screen, STRUCT->m_Pos );
BreakSegment( Screen, STRUCT->m_End() );
break;
case DRAW_SEGMENT_STRUCT_TYPE:
case DRAW_NOCONNECT_STRUCT_TYPE:
case DRAW_LABEL_STRUCT_TYPE:
case DRAW_GLOBAL_LABEL_STRUCT_TYPE:
case DRAW_LIB_ITEM_STRUCT_TYPE:
case DRAW_PICK_ITEM_STRUCT_TYPE:
case DRAW_POLYLINE_STRUCT_TYPE:
case DRAW_MARKER_STRUCT_TYPE:
case DRAW_TEXT_STRUCT_TYPE:
case DRAW_SHEET_STRUCT_TYPE:
case DRAW_SHEETLABEL_STRUCT_TYPE:
break;
default:
break;
}
DrawList = DrawList->Pnext;
}
}
/*********************************************************/
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DrawPickedStruct* BreakSegment( SCH_SCREEN* screen,
wxPoint breakpoint, bool PutInUndoList )
/*********************************************************/
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/* Coupe un segment ( BUS, WIRE ) en 2 au point breakpoint,
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* - si ce point est sur le segment
* - extremites non comprises
* If PutInUndoList == TRUE, create a list of modifictions, for undo command
*/
{
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EDA_BaseStruct* DrawList;
EDA_DrawLineStruct* segment, * NewSegment;
int ox, oy, fx, fy;
DrawPickedStruct* List = NULL;
DrawList = screen->EEDrawList;
while( DrawList )
{
switch( DrawList->Type() )
{
case DRAW_SEGMENT_STRUCT_TYPE:
segment = (EDA_DrawLineStruct*) DrawList;
ox = segment->m_Start.x; oy = segment->m_Start.y;
fx = segment->m_End.x; fy = segment->m_End.y;
if( distance( fx - ox, fy - oy, breakpoint.x - ox, breakpoint.y - oy, 0 ) == 0 )
break;
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/* Segment connecte: doit etre coupe en 2 si px,py n'est
* pas une extremite */
if( (ox == breakpoint.x) && (oy == breakpoint.y ) )
break;
if( (fx == breakpoint.x) && (fy == breakpoint.y ) )
break;
/* Ici il faut couper le segment en 2 */
if( PutInUndoList ) // First: put copy of the old segment in undo list
{
DrawPickedStruct* wrapper = new DrawPickedStruct();
wrapper->m_Flags = IS_CHANGED;
wrapper->m_PickedStruct = segment->GenCopy();
wrapper->m_Image = segment;
wrapper->m_PickedStruct->m_Image = segment;
wrapper->Pnext = List;
List = wrapper;
}
NewSegment = segment->GenCopy();
NewSegment->m_Start = breakpoint;
segment->m_End = NewSegment->m_Start;
NewSegment->Pnext = segment->Pnext;
segment->Pnext = NewSegment;
DrawList = NewSegment;
if( PutInUndoList )
{
DrawPickedStruct* wrapper = new DrawPickedStruct();
wrapper->m_Flags = IS_NEW;
wrapper->m_Image = NewSegment;
wrapper->Pnext = List;
List = wrapper;
}
break;
case DRAW_JUNCTION_STRUCT_TYPE:
case DRAW_BUSENTRY_STRUCT_TYPE:
case DRAW_POLYLINE_STRUCT_TYPE:
break;
default:
break;
}
DrawList = DrawList->Pnext;
}
return List;
}
/***********************************************************/
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static int TstAlignSegment( EDA_DrawLineStruct* RefSegm,
EDA_DrawLineStruct* TstSegm )
/***********************************************************/
/* Search if the 2 segments RefSegm and TstSegm are on a line.
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* Retourn 0 if no
* 1 if yes, and RefSegm is modified to be the equivalent segment
*/
{
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if( RefSegm == TstSegm )
return 0;
if( RefSegm->m_Layer != TstSegm->m_Layer )
return 0;
// search for a common end, and modify coordinates to ensure RefSegm->m_End == TstSegm->m_Start
if( RefSegm->m_Start == TstSegm->m_Start )
{
if( RefSegm->m_End == TstSegm->m_End ) // trivial case: RefSegm and TstSegm are identical
return 1;
EXCHG( RefSegm->m_Start, RefSegm->m_End ); // at this point, RefSegm->m_End == TstSegm->m_Start
}
else if( RefSegm->m_Start == TstSegm->m_End )
{
EXCHG( RefSegm->m_Start, RefSegm->m_End );
EXCHG( TstSegm->m_Start, TstSegm->m_End ); // at this point, RefSegm->m_End == TstSegm->m_Start
}
else if( RefSegm->m_End == TstSegm->m_End )
{
EXCHG( TstSegm->m_Start, TstSegm->m_End ); // at this point, RefSegm->m_End == TstSegm->m_Start
}
else if( RefSegm->m_End != TstSegm->m_Start ) // No common end point, segments cannot be merged
return 0;
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/* Test alignment: */
if( RefSegm->m_Start.y == RefSegm->m_End.y ) // Horizontal segment
{
if( TstSegm->m_Start.y == TstSegm->m_End.y )
{
RefSegm->m_End = TstSegm->m_End;
return 1;
}
}
else if( RefSegm->m_Start.x == RefSegm->m_End.x ) // Vertical segment
{
if( TstSegm->m_Start.x == TstSegm->m_End.x )
{
RefSegm->m_End = TstSegm->m_End;
return 1;
}
}
else
{
if( atan2( RefSegm->m_Start.x - RefSegm->m_End.x, RefSegm->m_Start.y -
RefSegm->m_End.y ) ==
atan2( TstSegm->m_Start.x - TstSegm->m_End.x, TstSegm->m_Start.y - TstSegm->m_End.y ) )
{
RefSegm->m_End = TstSegm->m_End;
return 1;
}
}
return 0;
}