kicad/eeschema/locate.cpp

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/******************************************************/
/* Routines de localisation d'un element d'un schema. */
/******************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "program.h"
#include "libcmp.h"
#include "general.h"
#include "trigo.h"
#include "macros.h"
#include "protos.h"
/* Routines exportees */
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int distance( int dx, int dy, int spot_cX, int spot_cY, int seuil );
/* Routines Locales */
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static EDA_BaseStruct* LastSnappedStruct = NULL;
static int PickedBoxMinX, PickedBoxMinY, PickedBoxMaxX, PickedBoxMaxY;
static bool IsBox1InBox2( int StartX1, int StartY1, int EndX1, int EndY1,
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int StartX2, int StartY2, int EndX2, int EndY2 );
static bool IsPointInBox( int pX, int pY,
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int BoxX1, int BoxY1, int BoxX2, int BoxY2 );
static bool IsPointOnSegment( int pX, int pY,
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int SegmX1, int SegmY1, int SegmX2, int SegmY2, int seuil = 0 );
static bool SnapPoint2( const wxPoint& PosRef, int SearchMask,
EDA_BaseStruct* DrawList, DrawPickedStruct* DontSnapList, int zoom_value );
/*********************************************************************/
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EDA_SchComponentStruct* LocateSmallestComponent( SCH_SCREEN* Screen )
/*********************************************************************/
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/* Search the smaller (considering its area) component under the mouse cursor or the pcb cursor
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* If more than 1 component is found, a pointer to the smaller component is returned
*/
{
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EDA_SchComponentStruct* DrawLibItem = NULL, * LastDrawLibItem = NULL;
EDA_BaseStruct* DrawList;
EDA_Rect BoundaryBox;
float sizeref = 0, sizecurr;
DrawList = Screen->EEDrawList;
while( DrawList )
{
if( ( SnapPoint2( Screen->m_MousePosition, LIBITEM,
DrawList, NULL, Screen->GetZoom() ) ) == FALSE )
{
if( ( SnapPoint2( Screen->m_Curseur, LIBITEM,
DrawList, NULL, Screen->GetZoom() ) ) == FALSE )
break;
}
DrawLibItem = (EDA_SchComponentStruct*) LastSnappedStruct;
DrawList = DrawLibItem->Pnext;
if( LastDrawLibItem == NULL ) // First time a component is located
{
LastDrawLibItem = DrawLibItem;
BoundaryBox = LastDrawLibItem->GetBoundaryBox();
sizeref = ABS( (float) BoundaryBox.GetWidth() * BoundaryBox.GetHeight() );
}
else
{
BoundaryBox = DrawLibItem->GetBoundaryBox();
sizecurr = ABS( (float) BoundaryBox.GetWidth() * BoundaryBox.GetHeight() );
if( sizeref > sizecurr ) // a smallest component is found
{
sizeref = sizecurr;
LastDrawLibItem = DrawLibItem;
}
}
}
return LastDrawLibItem;
}
/* SearchMask = (bitwise OR):
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* LIBITEM
* WIREITEM
* BUSITEM
* RACCORDITEM
* JUNCTIONITEM
* DRAWITEM
* TEXTITEM
* LABELITEM
* SHEETITEM
* MARKERITEM
* NOCONNECTITEM
* SEARCH_PINITEM
* SHEETLABELITEM
* FIELDCMPITEM
*
* if EXCLUDE_WIRE_BUS_ENDPOINTS is set, in wire ou bus search and locate,
* start and end points are not included in search
* if WIRE_BUS_ENDPOINTS_ONLY is set, in wire ou bus search and locate,
* only start and end points are included in search
*
*
* Return:
* -Bloc search:
* pointeur sur liste de pointeurs de structures si Plusieurs
* structures selectionnees.
* pointeur sur la structure si 1 seule
*
* Positon serach:
* pointeur sur la structure.
* Si pas de structures selectionnees: retourne NULL
*
*/
/***********************************************************************/
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EDA_BaseStruct* PickStruct( const wxPoint& refpos,
EDA_BaseStruct* DrawList, int SearchMask )
/************************************************************************/
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/* Search an item at pos pos
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*/
{
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bool Snapped;
int zoom = ActiveScreen->GetZoom();
if( DrawList == NULL )
return NULL;
if( ( Snapped = SnapPoint2( refpos, SearchMask,
DrawList, NULL, zoom ) ) != FALSE )
{
return LastSnappedStruct;
}
return NULL;
}
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/***********************************************************************/
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EDA_BaseStruct* PickStruct( EDA_Rect& block,
EDA_BaseStruct* DrawList, int SearchMask )
/************************************************************************/
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/* Search items in block
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*/
{
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int x, y, OrigX, OrigY;
DrawPickedStruct* PickedList = NULL, * PickedItem;
EDA_BaseStruct* DrawStruct;
OrigX = block.GetX();
OrigY = block.GetY();
x = block.GetRight();
y = block.GetBottom();
if( x < OrigX )
EXCHG( x, OrigX );
if( y < OrigY )
EXCHG( y, OrigY );
for( DrawStruct = DrawList; DrawStruct != NULL; DrawStruct = DrawStruct->Pnext )
{
if( DrawStructInBox( OrigX, OrigY, x, y, DrawStruct ) )
{
/* Put this structure in the picked list: */
PickedItem = new DrawPickedStruct( DrawStruct );
PickedItem->Pnext = PickedList;
PickedList = PickedItem;
}
}
if( PickedList && PickedList->Pnext == NULL )
{
/* Only one item was picked - convert to scalar form (no list): */
PickedItem = PickedList;
PickedList = (DrawPickedStruct*) PickedList->m_PickedStruct;
delete PickedItem;
}
if( PickedList != NULL )
{
PickedBoxMinX = OrigX; PickedBoxMinY = OrigY;
PickedBoxMaxX = x; PickedBoxMaxY = y;
}
return PickedList;
}
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/*****************************************************************************
* Routine to search all objects for the closest point to a given point, in *
* drawing space, and snap it to that points if closer than SnapDistance. *
* Note we use L1 norm as distance measure, as it is the fastest. *
* This routine updates LastSnappedStruct to the last object used in to snap *
* a point. This variable is global to this module only (see above). *
* If DontSnapList is not NULL, structes in this list are skipped. *
* The routine returns TRUE if point was snapped. *
*****************************************************************************/
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bool SnapPoint2( const wxPoint& PosRef, int SearchMask,
EDA_BaseStruct* DrawList, DrawPickedStruct* DontSnapList, int zoom_value )
{
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int i, * Points, x = PosRef.x, y = PosRef.y;
int x1, y1, x2, y2, NumOfPoints2;
DrawPickedStruct* DontSnap;
int dx, dy;
for( ; DrawList != NULL; DrawList = DrawList->Pnext )
{
/* Make sure this structure is NOT in the dont snap list: */
DontSnap = DontSnapList;
for( ; DontSnap != NULL; DontSnap = (DrawPickedStruct*) DontSnap->Pnext )
if( DontSnap->m_PickedStruct == DrawList )
break;
if( DontSnap )
if( DontSnap->m_PickedStruct == DrawList )
continue;
switch( DrawList->Type() )
{
case DRAW_POLYLINE_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawPolylineStruct*) DrawList )
if( !( SearchMask & (DRAWITEM | WIREITEM | BUSITEM) ) )
break;
Points = STRUCT->m_Points;
NumOfPoints2 = STRUCT->m_NumOfPoints * 2;
for( i = 0; i < NumOfPoints2 - 2; i += 2 )
{
x1 = Points[i]; y1 = Points[i + 1];
x2 = Points[i + 2]; y2 = Points[i + 3];
if( IsPointOnSegment( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
}
break;
case DRAW_SEGMENT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (EDA_DrawLineStruct*) DrawList )
if( !( SearchMask & (DRAWITEM | WIREITEM | BUSITEM) ) )
break;
if( IsPointOnSegment( x, y, STRUCT->m_Start.x, STRUCT->m_Start.y,
STRUCT->m_End.x, STRUCT->m_End.y ) )
{
if( ( (SearchMask & DRAWITEM) && (STRUCT->m_Layer == LAYER_NOTES) )
|| ( (SearchMask & WIREITEM) && (STRUCT->m_Layer == LAYER_WIRE) )
|| ( (SearchMask & BUSITEM) && (STRUCT->m_Layer == LAYER_BUS) )
)
{
if( SearchMask & EXCLUDE_WIRE_BUS_ENDPOINTS )
{
if( x == STRUCT->m_Start.x && y == STRUCT->m_Start.y )
break;
if( x == STRUCT->m_End.x && y == STRUCT->m_End.y )
break;
}
if( SearchMask & WIRE_BUS_ENDPOINTS_ONLY )
{
if( !STRUCT->IsOneEndPointAt( wxPoint( x, y ) ) )
break;
}
LastSnappedStruct = DrawList;
return TRUE;
}
}
break;
case DRAW_BUSENTRY_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawBusEntryStruct*) DrawList )
if( !( SearchMask & (RACCORDITEM) ) )
break;
if( IsPointOnSegment( x, y, STRUCT->m_Pos.x, STRUCT->m_Pos.y,
STRUCT->m_End().x, STRUCT->m_End().y ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_JUNCTION_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawJunctionStruct*) DrawList )
if( !(SearchMask & JUNCTIONITEM) )
break;
dx = DRAWJUNCTION_SIZE / 2;
x1 = STRUCT->m_Pos.x - dx;
y1 = STRUCT->m_Pos.y - dx;
x2 = STRUCT->m_Pos.x + dx;
y2 = STRUCT->m_Pos.y + dx;
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_NOCONNECT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawNoConnectStruct*) DrawList )
if( !(SearchMask & NOCONNECTITEM) )
break;
dx = (DRAWNOCONNECT_SIZE * zoom_value) / 2;
x1 = STRUCT->m_Pos.x - dx;
y1 = STRUCT->m_Pos.y - dx;
x2 = STRUCT->m_Pos.x + dx;
y2 = STRUCT->m_Pos.y + dx;
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_MARKER_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawMarkerStruct*) DrawList )
if( !(SearchMask & MARKERITEM) )
break;
dx = (DRAWMARKER_SIZE * zoom_value) / 2;
x1 = STRUCT->m_Pos.x - dx;
y1 = STRUCT->m_Pos.y - dx;
x2 = STRUCT->m_Pos.x + dx;
y2 = STRUCT->m_Pos.y + dx;
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_LABEL_STRUCT_TYPE:
case DRAW_TEXT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawTextStruct*) DrawList )
if( !( SearchMask & (TEXTITEM | LABELITEM) ) )
break;
dx = STRUCT->m_Size.x * STRUCT->GetLength();
dy = STRUCT->m_Size.y;
x1 = x2 = STRUCT->m_Pos.x;
y1 = y2 = STRUCT->m_Pos.y;
switch( STRUCT->m_Orient )
{
case 0: /* HORIZONTAL */
x2 += dx; y2 -= dy;
break;
case 1: /* VERTICAL UP */
x2 -= dy; y2 -= dx;
break;
case 2: /* horizontal inverse */
x2 -= dx; y2 += dy;
break;
case 3: /* vertical DOWN */
x2 += dy; y2 += dx;
break;
}
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_GLOBAL_LABEL_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawGlobalLabelStruct*) DrawList )
if( !(SearchMask & LABELITEM) )
break;
dx = STRUCT->m_Size.x * ( STRUCT->GetLength() + 1 ); /* longueur */
dy = STRUCT->m_Size.y / 2; /* Demi hauteur */
x1 = x2 = STRUCT->m_Pos.x;
y1 = y2 = STRUCT->m_Pos.y;
switch( STRUCT->m_Orient )
{
case 0: /* HORIZONTAL */
x2 -= dx; y2 += dy; y1 -= dy;
break;
case 1: /* VERTICAL UP */
x1 -= dy; x2 += dy; y2 += dx;
break;
case 2: /* horizontal inverse */
x2 += dx; y2 += dy; y1 -= dy;
break;
case 3: /* vertical DOWN */
x1 -= dy; x2 += dy; y2 -= dx;
break;
}
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_LIB_ITEM_STRUCT_TYPE:
if( !( SearchMask & (LIBITEM | FIELDCMPITEM) ) )
break;
if( SearchMask & FIELDCMPITEM )
{
PartTextStruct* Field;
EDA_SchComponentStruct* DrawLibItem = (EDA_SchComponentStruct*) DrawList;
for( i = REFERENCE; i < NUMBER_OF_FIELDS; i++ )
{
Field = &DrawLibItem->m_Field[i];
if( (Field->m_Attributs & TEXT_NO_VISIBLE) )
continue;
if( Field->IsVoid() )
continue;
EDA_Rect BoundaryBox = Field->GetBoundaryBox();
if( BoundaryBox.Inside( x, y ) )
{
LastSnappedStruct = Field;
return TRUE;
}
}
}
else
{
#undef STRUCT
#define STRUCT ( (EDA_SchComponentStruct*) DrawList )
EDA_Rect BoundaryBox = STRUCT->GetBoundaryBox();
if( BoundaryBox.Inside( x, y ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
}
break;
case DRAW_SHEET_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawSheetStruct*) DrawList )
if( !(SearchMask & SHEETITEM) )
break;
/* Recalcul des coordonnees de l'encadrement du composant */
x1 = STRUCT->m_Pos.x;
y1 = STRUCT->m_Pos.y;
x2 = STRUCT->m_Pos.x + STRUCT->m_Size.x;
y2 = STRUCT->m_Pos.y + STRUCT->m_Size.y;
if( IsPointInBox( x, y, x1, y1, x2, y2 ) )
{
LastSnappedStruct = DrawList;
return TRUE;
}
break;
case DRAW_PICK_ITEM_STRUCT_TYPE:
break;
default:
{
wxString msg;
msg.Printf( wxT( "SnapPoint2() error: unexpected strct type %d (" ), DrawList->Type() );
msg << DrawList->GetClass() << wxT( ")" );
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DisplayError( NULL, msg );
break;
}
}
}
return FALSE;
}
/*****************************************************************************
* Routine to test if an object has non empty intersection with the box *
* defined by x1/y1 and x2/y2 (x1 < x2, y1 < y2), and return TRUE if so. This *
* routine is used to pick all points in a given box. *
*****************************************************************************/
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bool DrawStructInBox( int x1, int y1, int x2, int y2,
EDA_BaseStruct* DrawStruct )
{
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int i, * Points, xt1, yt1, xt2, yt2, NumOfPoints2;
int dx, dy;
wxString msg;
switch( DrawStruct->Type() )
{
case DRAW_POLYLINE_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawPolylineStruct*) DrawStruct )
Points = STRUCT->m_Points;
NumOfPoints2 = STRUCT->m_NumOfPoints * 2;
for( i = 0; i < NumOfPoints2; i += 2 )
{
if( Points[i] >= x1 && Points[i] <= x2
&& Points[i + 1] >= y1 && Points[i + 1] <=y2 )
return TRUE;
}
break;
case DRAW_SEGMENT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (EDA_DrawLineStruct*) DrawStruct )
if( STRUCT->m_Start.x >= x1 && STRUCT->m_Start.x <= x2
&& STRUCT->m_Start.y >= y1 && STRUCT->m_Start.y <=y2 )
return TRUE;
if( (STRUCT->m_End.x >= x1) && (STRUCT->m_End.x <= x2)
&& (STRUCT->m_End.y >= y1) && (STRUCT->m_End.y <=y2) )
return TRUE;
break;
case DRAW_BUSENTRY_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawBusEntryStruct*) DrawStruct )
if( STRUCT->m_Pos.x >= x1 && STRUCT->m_Pos.x <= x2
&& STRUCT->m_Pos.y >= y1 && STRUCT->m_Pos.y <=y2 )
return TRUE;
if( (STRUCT->m_End().x >= x1) && ( STRUCT->m_End().x <= x2)
&& ( STRUCT->m_End().y >= y1) && ( STRUCT->m_End().y <=y2) )
return TRUE;
break;
case DRAW_JUNCTION_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawJunctionStruct*) DrawStruct )
if( (STRUCT->m_Pos.x >= x1) && (STRUCT->m_Pos.x <= x2)
&& (STRUCT->m_Pos.y >= y1) && (STRUCT->m_Pos.y <= y2) )
return TRUE;
break;
case DRAW_NOCONNECT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawNoConnectStruct*) DrawStruct )
if( (STRUCT->m_Pos.x >= x1) && (STRUCT->m_Pos.x <= x2)
&& (STRUCT->m_Pos.y >= y1) && (STRUCT->m_Pos.y <= y2) )
return TRUE;
break;
case DRAW_MARKER_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawMarkerStruct*) DrawStruct )
if( (STRUCT->m_Pos.x >= x1) && (STRUCT->m_Pos.x <= x2)
&& (STRUCT->m_Pos.y >= y1) && (STRUCT->m_Pos.y <= y2) )
return TRUE;
break;
case DRAW_LABEL_STRUCT_TYPE:
case DRAW_TEXT_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawTextStruct*) DrawStruct )
dx = STRUCT->m_Size.x * STRUCT->GetLength();
dy = STRUCT->m_Size.y;
xt1 = xt2 = STRUCT->m_Pos.x;
yt1 = yt2 = STRUCT->m_Pos.y;
switch( STRUCT->m_Orient )
{
case 0: /* HORIZONTAL */
xt2 += dx; yt2 -= dy;
break;
case 1: /* VERTICAL UP */
xt2 -= dy; yt2 -= dx;
break;
case 2: /* horizontal inverse */
xt2 -= dx; yt2 += dy;
break;
case 3: /* vertical DOWN */
xt2 += dy; yt2 += dx;
break;
}
if( IsBox1InBox2( xt1, yt1, xt2, yt2, x1, y1, x2, y2 ) )
return TRUE;
break;
case DRAW_GLOBAL_LABEL_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawGlobalLabelStruct*) DrawStruct )
dx = STRUCT->m_Size.x * ( STRUCT->GetLength() + 1); /* longueur totale */
dy = STRUCT->m_Size.y / 2; /* Demi hauteur */
xt1 = xt2 = STRUCT->m_Pos.x;
yt1 = yt2 = STRUCT->m_Pos.y;
switch( STRUCT->m_Orient )
{
case 0: /* HORIZONTAL */
xt2 -= dx; yt2 += dy; yt1 -= dy;
break;
case 1: /* VERTICAL UP */
xt1 -= dy; xt2 += dy; yt2 += dx;
break;
case 2: /* horizontal inverse */
xt2 += dx; yt2 += dy; yt1 -= dy;
break;
case 3: /* vertical DOWN */
xt1 -= dy; xt2 += dy; yt2 -= dx;
break;
}
if( IsBox1InBox2( xt1, yt1, xt2, yt2, x1, y1, x2, y2 ) )
return TRUE;
break;
case DRAW_LIB_ITEM_STRUCT_TYPE:
{
#undef STRUCT
#define STRUCT ( (EDA_SchComponentStruct*) DrawStruct )
EDA_Rect BoundaryBox = STRUCT->GetBoundaryBox();
xt1 = BoundaryBox.GetX();
yt1 = BoundaryBox.GetY();
xt2 = BoundaryBox.GetRight();
yt2 = BoundaryBox.GetBottom();
if( IsBox1InBox2( xt1, yt1, xt2, yt2, x1, y1, x2, y2 ) )
return TRUE;
break;
}
case DRAW_SHEET_STRUCT_TYPE:
#undef STRUCT
#define STRUCT ( (DrawSheetStruct*) DrawStruct )
/* Recalcul des coordonnees de l'encadrement du composant */
xt1 = STRUCT->m_Pos.x;
yt1 = STRUCT->m_Pos.y;
xt2 = STRUCT->m_Pos.x + STRUCT->m_Size.x;
yt2 = STRUCT->m_Pos.y + STRUCT->m_Size.y;
if( IsBox1InBox2( xt1, yt1, xt2, yt2, x1, y1, x2, y2 ) )
return TRUE;
break;
case DRAW_SHEETLABEL_STRUCT_TYPE:
break;
case DRAW_PICK_ITEM_STRUCT_TYPE:
break;
default:
msg.Printf(
wxT( "DrawStructInBox() Err: unexpected StructType %d (" ),
DrawStruct->Type() );
msg << DrawStruct->GetClass() << wxT( ")" );
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DisplayError( NULL, msg );
break;
}
return FALSE;
}
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/****************************************************************************/
static bool IsBox1InBox2( int StartX1, int StartY1, int EndX1, int EndY1,
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int StartX2, int StartY2, int EndX2, int EndY2 )
/****************************************************************************/
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/* Routine detectant que le rectangle 1 (Box1) et le rectangle 2 (Box2) se
* recouvrent.
* Retourne TRUE ou FALSE.
*
* On Considere ici qu'il y a recouvrement si l'un au moins des coins
* d'un 'Box' est compris dans l'autre
*/
{
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int cX, cY;
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if( StartX1 > EndX1 )
EXCHG( StartX1, EndX1 );
if( StartX2 > EndX2 )
EXCHG( StartX2, EndX2 );
if( StartY1 > EndY1 )
EXCHG( StartY1, EndY1 );
if( StartY2 > EndY2 )
EXCHG( StartY2, EndY2 );
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/* Tst des 4 coins du rectangle 1 */
cX = StartX1; cY = StartY1; /* 1er coin */
if( (cX >= StartX2) && (cX <= EndX2) && (cY >= StartY2) && (cY <= EndY2) )
return TRUE;
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cX = EndX1; cY = StartY1; /* 2er coin */
if( (cX >= StartX2) && (cX <= EndX2) && (cY >= StartY2) && (cY <= EndY2) )
return TRUE;
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cX = EndX1; cY = EndY1; /* 3eme coin */
if( (cX >= StartX2) && (cX <= EndX2) && (cY >= StartY2) && (cY <= EndY2) )
return TRUE;
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cX = StartX1; cY = EndY1; /* 4eme coin */
if( (cX >= StartX2) && (cX <= EndX2) && (cY >= StartY2) && (cY <= EndY2) )
return TRUE;
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/* Tst des 4 coins du rectangle 2 */
cX = StartX2; cY = StartY2; /* 1er coin */
if( (cX >= StartX1) && (cX <= EndX1) && (cY >= StartY1) && (cY <= EndY1) )
return TRUE;
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cX = EndX2; cY = StartY2; /* 2er coin */
if( (cX >= StartX1) && (cX <= EndX1) && (cY >= StartY1) && (cY <= EndY1) )
return TRUE;
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cX = EndX2; cY = EndY2; /* 3er coin */
if( (cX >= StartX1) && (cX <= EndX1) && (cY >= StartY1) && (cY <= EndY1) )
return TRUE;
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cX = StartX2; cY = EndY2; /* 4er coin */
if( (cX >= StartX1) && (cX <= EndX1) && (cY >= StartY1) && (cY <= EndY1) )
return TRUE;
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return FALSE;
}
/**********************************************************************/
static bool IsPointInBox( int pX, int pY,
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int BoxX1, int BoxY1, int BoxX2, int BoxY2 )
/**********************************************************************/
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/* Routine detectant que le point pX,pY est dans le rectangle (Box)
* Retourne TRUE ou FALSE.
*
*/
{
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if( BoxX1 > BoxX2 )
EXCHG( BoxX1, BoxX2 );
if( BoxY1 > BoxY2 )
EXCHG( BoxY1, BoxY2 );
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if( (pX >= BoxX1) && (pX <= BoxX2) && (pY >= BoxY1) && (pY <= BoxY2) )
return TRUE;
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else
return FALSE;
}
/********************************************************************************/
static bool IsPointOnSegment( int pX, int pY,
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int SegmX1, int SegmY1, int SegmX2, int SegmY2, int seuil )
/********************************************************************************/
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/* Routine detectant que le point pX,pY est sur le Segment X1,Y1 a X2,Y2
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* Retourne TRUE ou FALSE.
*/
{
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/* Recalcul des coord avec SegmX1, SegmX2 comme origine */
pX -= SegmX1; pY -= SegmY1;
SegmX2 -= SegmX1; SegmY2 -= SegmY1;
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if( distance( SegmX2, SegmY2, pX, pY, seuil ) )
return TRUE;
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else
return FALSE;
}
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/*********************************************************************************/
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LibEDA_BaseStruct* LocateDrawItem( SCH_SCREEN* Screen,
const wxPoint& refpoint,
EDA_LibComponentStruct* LibEntry,
int Unit,
int Convert,
int masque )
/*********************************************************************************/
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/* Routine de localisation d'un element de dessin de symbole( sauf pins )
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* Unit = Unite d'appartenance (si Unit = 0, recherche sur toutes unites)
* Convert = Conversion d'appartenance (si Convert = 0, recherche sur
* toutes variantes)
*/
{
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int x, y, dx, dy, ii, * ptpoly;
int px, py;
LibEDA_BaseStruct* DrawItem;
int seuil;
if( LibEntry == NULL )
return NULL;
if( LibEntry->Type != ROOT )
{
DisplayError( NULL, wxT( "Error in LocateDrawItem: Entry is ALIAS" ) );
return NULL;
}
DrawItem = LibEntry->m_Drawings;
seuil = 3; /* Tolerance: 1/2 pas de petite grille */
px = refpoint.x;
py = refpoint.y;
for( ; DrawItem != NULL; DrawItem = DrawItem->Next() )
{
if( Unit && DrawItem->m_Unit && (Unit != DrawItem->m_Unit) )
continue;
if( Convert && DrawItem->m_Convert && (Convert != DrawItem->m_Convert) )
continue;
switch( DrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
{
LibDrawArc* Arc = (LibDrawArc*) DrawItem;
if( (masque & LOCATE_COMPONENT_ARC_DRAW_TYPE) == 0 )
break;
dx = px - Arc->m_Pos.x;
dy = py + Arc->m_Pos.y;
ii = (int) sqrt( dx * dx + dy * dy );
if( abs( ii - Arc->m_Rayon ) <= seuil )
return DrawItem;
}
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
{
LibDrawCircle* Circle = (LibDrawCircle*) DrawItem;
if( (masque & LOCATE_COMPONENT_CIRCLE_DRAW_TYPE) == 0 )
break;
dx = px - Circle->m_Pos.x;
dy = py + Circle->m_Pos.y;
ii = (int) sqrt( dx * dx + dy * dy );
if( abs( ii - Circle->m_Rayon ) <= seuil )
return DrawItem;
}
break;
case COMPONENT_RECT_DRAW_TYPE:
{ // Locate a rect if the mouse cursor is on a segment
LibDrawSquare* Square = (LibDrawSquare*) DrawItem;
if( (masque & LOCATE_COMPONENT_RECT_DRAW_TYPE) == 0 )
break;
if( IsPointOnSegment( px, py, // locate lower segment
Square->m_Pos.x, -Square->m_Pos.y,
Square->m_End.x, -Square->m_Pos.y, seuil ) )
return DrawItem;
if( IsPointOnSegment( px, py, // locate right segment
Square->m_End.x, -Square->m_Pos.y,
Square->m_End.x, -Square->m_End.y, seuil ) )
return DrawItem;
if( IsPointOnSegment( px, py, // locate upper segment
Square->m_End.x, -Square->m_End.y,
Square->m_Pos.x, -Square->m_End.y, seuil ) )
return DrawItem;
if( IsPointOnSegment( px, py, // locate left segment
Square->m_Pos.x, -Square->m_End.y,
Square->m_Pos.x, -Square->m_Pos.y, seuil ) )
return DrawItem;
}
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
LibDrawPolyline* polyline = (LibDrawPolyline*) DrawItem;
if( (masque & LOCATE_COMPONENT_POLYLINE_DRAW_TYPE) == 0 )
break;
ptpoly = polyline->PolyList;
for( ii = polyline->n - 1; ii > 0; ii--, ptpoly += 2 )
{
if( IsPointOnSegment( px, py,
ptpoly[0], -ptpoly[1], ptpoly[2], -ptpoly[3], seuil ) )
return DrawItem;
}
}
break;
case COMPONENT_LINE_DRAW_TYPE:
{
LibDrawSegment* Segment = (LibDrawSegment*) DrawItem;
if( (masque & LOCATE_COMPONENT_LINE_DRAW_TYPE) == 0 )
break;
if( IsPointOnSegment( px, py,
Segment->m_Pos.x, -Segment->m_Pos.y,
Segment->m_End.x, -Segment->m_End.y, seuil ) )
return DrawItem;
}
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
{
LibDrawText* Text = (LibDrawText*) DrawItem;
if( (masque & LOCATE_COMPONENT_GRAPHIC_TEXT_DRAW_TYPE) == 0 )
break;
ii = Text->m_Text.Len(); if( ii < 2 )
ii = 2;
dx = (Text->m_Size.x * ii) / 2;
dy = Text->m_Size.y / 2;
if( Text->m_Horiz == TEXT_ORIENT_VERT )
{
EXCHG( dx, dy );
}
x = px - Text->m_Pos.x;
y = py + Text->m_Pos.y;
if( (abs( x ) <= dx) && (abs( y ) <= dy) )
return DrawItem; /* Texte trouve */
}
break;
default:
;
}
}
return NULL;
}
/****************************************************************/
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int distance( int dx, int dy, int spot_cX, int spot_cY, int seuil )
/****************************************************************/
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/*
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* Calcul de la distance du point spot_cx,spot_cy a un segment de droite,
* d'origine 0,0 et d'extremite dx, dy;
* retourne:
* 0 si distance > seuil
* 1 si distance <= seuil
* Variables utilisees ( sont ramenees au repere centre sur l'origine du segment)
* dx, dy = coord de l'extremite segment.
* spot_cX,spot_cY = coord du curseur souris
* la recherche se fait selon 4 cas:
* segment horizontal
* segment vertical
* segment quelconque
*/
{
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int cXrot, cYrot, /* coord du point (souris) dans le repere tourne */
segX, segY; /* coord extremite segment tj >= 0 */
int pointX, pointY;/* coord point a tester dans repere modifie dans lequel
* segX et segY sont >=0 */
segX = dx; segY = dy; pointX = spot_cX; pointY = spot_cY;
/*Recalcul coord pour que le segment soit dans 1er quadrant (coord >= 0)*/
if( segX < 0 ) /* mise en0 par symetrie par rapport a l'axe Y */
{
segX = -segX; pointX = -pointX;
}
if( segY < 0 ) /* mise en > 0 par symymetrie par rapport a l'axe X */
{
segY = -segY; pointY = -pointY;
}
if( segY == 0 ) /* piste Horizontale */
{
if( abs( pointY ) <= seuil )
{
if( (pointX >= 0) && (pointX <= segX) )
return 1;
/* Etude des extremites : cercle de rayon seuil */
if( (pointX < 0) && (pointX >= -seuil) )
{
if( ( (pointX * pointX) + (pointY * pointY) ) <= (seuil * seuil) )
return 1;
}
if( (pointX > segX) && ( pointX <= (segX + seuil) ) )
{
if( ( ( (pointX - segX) * (pointX - segX) ) + (pointY * pointY) ) <=
(seuil * seuil) )
return 1;
}
}
}
else if( segX == 0 ) /* piste verticale */
{
if( abs( pointX ) <= seuil )
{
if( (pointY >= 0 ) && (pointY <= segY) )
return 1;
if( (pointY < 0) && (pointY >= -seuil) )
{
if( ( (pointY * pointY) + (pointX * pointX) ) <= (seuil * seuil) )
return 1;
}
if( (pointY > segY) && ( pointY <= (segY + seuil) ) )
{
if( ( ( (pointY - segY) * (pointY - segY) ) + (pointX * pointX) ) <=
(seuil * seuil) )
return 1;
}
}
}
else /* orientation quelconque */
{
/* On fait un changement d'axe (rotation) de facon a ce que le segment
* de piste soit horizontal dans le nouveau repere */
int angle;
angle = (int) ( atan2( (float) segY, (float) segX ) * 1800 / M_PI);
cXrot = pointX; cYrot = pointY;
RotatePoint( &cXrot, &cYrot, angle ); /* Rotation du point a tester */
RotatePoint( &segX, &segY, angle ); /* Rotation du segment */
/*la piste est Horizontale , par suite des modifs de coordonnes
* et d'axe, donc segX = longueur du segment */
if( abs( cYrot ) <= seuil ) /* ok sur axe vertical) */
{
if( (cXrot >= 0) && (cXrot <= segX) )
return 1;
/* Etude des extremites : cercle de rayon seuil */
if( (cXrot < 0) && (cXrot >= -seuil) )
{
if( ( (cXrot * cXrot) + (cYrot * cYrot) ) <= (seuil * seuil) )
return 1;
}
if( (cXrot > segX) && ( cXrot <= (segX + seuil) ) )
{
if( ( ( (cXrot - segX) * (cXrot - segX) ) + (cYrot * cYrot) ) <= (seuil * seuil) )
return 1;
}
}
}
return 0;
}
/*******************************************************************/
LibDrawPin* LocatePinByNumber( const wxString & ePin_Number,
EDA_SchComponentStruct* eComponent )
/*******************************************************************/
/** Find a PIN in a component
* @param pin_number = pin number (string)
* @param pin_number = pin number (string)
* @return a pointer on the pin, or NULL if not found
*/
{
LibEDA_BaseStruct* DrawItem;
EDA_LibComponentStruct* Entry;
LibDrawPin* Pin;
int Unit, Convert;
Entry = FindLibPart(eComponent->m_ChipName.GetData(), wxEmptyString, FIND_ROOT );
if( Entry == NULL )
return NULL;
if( Entry->Type != ROOT )
{
DisplayError( NULL, wxT( "LocatePinByNumber() error: Entry is ALIAS" ) );
return NULL;
}
Unit = eComponent->m_Multi;
Convert = eComponent->m_Convert;
DrawItem = Entry->m_Drawings;
for( ; DrawItem != NULL; DrawItem = DrawItem->Next() )
{
if( DrawItem->Type() == COMPONENT_PIN_DRAW_TYPE ) /* Pin Trouvee */
{
Pin = (LibDrawPin*) DrawItem;
if( Unit && DrawItem->m_Unit && (DrawItem->m_Unit != Unit) )
continue;
if( Convert && DrawItem->m_Convert && (DrawItem->m_Convert != Convert) )
continue;
wxString pNumber;
Pin->ReturnPinStringNum( pNumber );
if ( ePin_Number == pNumber )
return Pin;
}
}
return NULL;
}
/*******************************************************************/
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LibEDA_BaseStruct* LocatePin( const wxPoint& RefPos,
EDA_LibComponentStruct* Entry,
int Unit, int convert, EDA_SchComponentStruct* DrawLibItem )
/*******************************************************************/
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/* Routine de localisation d'une PIN de la PartLib pointee par Entry
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* retourne un pointeur sur la pin, ou NULL si pas trouve
* Si Unit = 0, le numero d'unite n'est pas teste
* Si convert = 0, le numero convert n'est pas teste
*/
{
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LibEDA_BaseStruct* DrawItem;
LibDrawPin* Pin;
int x1, y1, x2, y2;
if( Entry == NULL )
return NULL;
if( Entry->Type != ROOT )
{
DisplayError( NULL, wxT( "LocatePin() error: Entry is ALIAS" ) );
return NULL;
}
DrawItem = Entry->m_Drawings;
for( ; DrawItem != NULL; DrawItem = DrawItem->Next() )
{
if( DrawItem->Type() == COMPONENT_PIN_DRAW_TYPE ) /* Pin Trouvee */
{
Pin = (LibDrawPin*) DrawItem;
if( Unit && DrawItem->m_Unit && (DrawItem->m_Unit != Unit) )
continue;
if( convert && DrawItem->m_Convert && (DrawItem->m_Convert != convert) )
continue;
x2 = Pin->m_Pos.x;
y2 = Pin->m_Pos.y;
x1 = Pin->ReturnPinEndPoint().x;
y1 = Pin->ReturnPinEndPoint().y;
if( DrawLibItem == NULL )
{
y1 = -y1; y2 = -y2;
}
else
{
int x = x1, y = y1;
x1 = DrawLibItem->m_Pos.x + DrawLibItem->m_Transform[0][0] * x
+ DrawLibItem->m_Transform[0][1] * y;
y1 = DrawLibItem->m_Pos.y + DrawLibItem->m_Transform[1][0] * x
+ DrawLibItem->m_Transform[1][1] * y;
x = x2; y = y2;
x2 = DrawLibItem->m_Pos.x + DrawLibItem->m_Transform[0][0] * x
+ DrawLibItem->m_Transform[0][1] * y;
y2 = DrawLibItem->m_Pos.y + DrawLibItem->m_Transform[1][0] * x
+ DrawLibItem->m_Transform[1][1] * y;
}
if( x1 > x2 )
EXCHG( x1, x2 );if( y1 > y2 )
EXCHG( y1, y2 );
if( (RefPos.x >= x1) && (RefPos.x <= x2)
&& (RefPos.y >= y1) && (RefPos.y <= y2) )
return DrawItem;
}
}
return NULL;
}
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/***********************************************************************************/
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DrawSheetLabelStruct* LocateSheetLabel( DrawSheetStruct* Sheet, const wxPoint& pos )
/***********************************************************************************/
{
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int size, dy, minx, maxx;
DrawSheetLabelStruct* SheetLabel;
SheetLabel = Sheet->m_Label;
while( (SheetLabel) && (SheetLabel->Type()==DRAW_SHEETLABEL_STRUCT_TYPE) )
{
size = ( SheetLabel->GetLength() + 1 ) * SheetLabel->m_Size.x;
if( SheetLabel->m_Edge )
size = -size;
minx = SheetLabel->m_Pos.x; maxx = SheetLabel->m_Pos.x + size;
if( maxx < minx )
EXCHG( maxx, minx );
dy = SheetLabel->m_Size.x / 2;
if( (ABS( pos.y - SheetLabel->m_Pos.y ) <= dy )
&& (pos.x <= maxx)
&& (pos.x >= minx) )
return SheetLabel;
SheetLabel = (DrawSheetLabelStruct*) SheetLabel->Pnext;
}
return NULL;
}
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/**************************************************************************/
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LibDrawPin* LocateAnyPin( EDA_BaseStruct* DrawList, const wxPoint& RefPos,
EDA_SchComponentStruct** libpart )
/**************************************************************************/
{
2007-09-02 15:49:11 +00:00
EDA_BaseStruct* DrawStruct;
EDA_LibComponentStruct* Entry;
EDA_SchComponentStruct* LibItem = NULL;
LibDrawPin* Pin = NULL;
for( DrawStruct = DrawList; DrawStruct != NULL; DrawStruct = DrawStruct->Pnext )
{
if( DrawStruct->Type() != DRAW_LIB_ITEM_STRUCT_TYPE )
continue;
LibItem = (EDA_SchComponentStruct*) DrawStruct;
Entry = FindLibPart( LibItem->m_ChipName.GetData(), wxEmptyString, FIND_ROOT );
if( Entry == NULL )
continue;
Pin = (LibDrawPin*) LocatePin( RefPos, Entry, LibItem->m_Multi,
LibItem->m_Convert, LibItem );
if( Pin )
break;
}
if( libpart )
*libpart = LibItem;
return Pin;
}
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/***************************************************************/
2007-09-02 15:49:11 +00:00
DrawSheetLabelStruct* LocateAnyPinSheet( const wxPoint& RefPos,
EDA_BaseStruct* DrawList )
/***************************************************************/
{
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EDA_BaseStruct* DrawStruct;
DrawSheetLabelStruct* PinSheet = NULL;
for( DrawStruct = DrawList; DrawStruct != NULL; DrawStruct = DrawStruct->Pnext )
{
if( DrawStruct->Type() != DRAW_SHEET_STRUCT_TYPE )
continue;
PinSheet = LocateSheetLabel( (DrawSheetStruct*) DrawStruct,
RefPos );
if( PinSheet )
break;
}
return PinSheet;
}