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PolyLine and math_for_graphics code cleanup: remove arc support in CPolyLine class: 

This is an obscure legacy code from FreePCB, never used, never tested, never maintained.
This commit is contained in:
jean-pierre charras 2012-08-01 10:08:37 +02:00
parent 474128a445 90a6daa722
commit ef39c5f38e
13 changed files with 387 additions and 1757 deletions

84
pcbnew/class_board.h
View File

@ -1041,7 +1041,7 @@ public:
* @param aLayer = the layer of area
* @param aStartPointPosition = position of the first point of the polygon outline of this area
* @param aHatch = hatch option
* @return pointer to the new area
* @return a reference to the new area
*/
ZONE_CONTAINER* AddArea( PICKED_ITEMS_LIST* aNewZonesList, int aNetcode,
int aLayer, wxPoint aStartPointPosition, int aHatch );
@ -1054,58 +1054,30 @@ public:
ZONE_CONTAINER* InsertArea( int netcode, int iarea, int layer, int x, int y, int hatch );
/**
* Function TestAreaPolygon
* Test an area for self-intersection.
*
* @param CurrArea = copper area to test
* @return :
* -1 if arcs intersect other sides
* 0 if no intersecting sides
* 1 if intersecting sides, but no intersecting arcs
* Also sets utility2 flag of area with return value
*/
int TestAreaPolygon( ZONE_CONTAINER* CurrArea );
/**
* Function ClipAreaPolygon
* Process an area that has been modified, by clipping its polygon against itself.
* Function NormalizeAreaPolygon
* Process an area that has been modified, by normalizing its polygon against itself.
* i.e. convert a self-intersecting polygon to one (or more) non self-intersecting polygon(s)
* This may change the number and order of copper areas in the net.
* @param aNewZonesList = a PICKED_ITEMS_LIST * where to store new areas pickers (useful
* in undo commands) can be NULL
* @param aNewZonesList = a PICKED_ITEMS_LIST * where to store new created areas pickers
* @param aCurrArea = the zone to process
* @param bMessageBoxInt == true, shows message when clipping occurs.
* @param bMessageBoxArc == true, shows message when clipping can't be done due to arcs.
* @param bRetainArcs = true to handle arcs (not really used in KiCad)
* @return :
* -1 if arcs intersect other sides, so polygon can't be clipped
* 0 if no intersecting sides
* 1 if intersecting sides
* @return true if changes are made
* Also sets areas->utility1 flags if areas are modified
*/
int ClipAreaPolygon( PICKED_ITEMS_LIST* aNewZonesList,
ZONE_CONTAINER* aCurrArea,
bool bMessageBoxArc,
bool bMessageBoxInt,
bool bRetainArcs = true );
bool NormalizeAreaPolygon( PICKED_ITEMS_LIST * aNewZonesList,
ZONE_CONTAINER* aCurrArea );
/**
* Process an area that has been modified, by clipping its polygon against
* itself and the polygons for any other areas on the same net.
* Function OnAreaPolygonModified
* Process an area that has been modified, by normalizing its polygon
* and merging the intersecting polygons for any other areas on the same net.
* This may change the number and order of copper areas in the net.
* @param aModifiedZonesList = a PICKED_ITEMS_LIST * where to store deleted or added areas
* (useful in undo commands. Can be NULL
* (useful in undo commands can be NULL
* @param modified_area = area to test
* @param bMessageBoxInt : if true, shows message boxes when clipping occurs.
* @param bMessageBoxArc if true, shows message when clipping can't be done due to arcs.
* @return :
* -1 if arcs intersect other sides, so polygon can't be clipped
* 0 if no intersecting sides
* 1 if intersecting sides, polygon clipped
*/
int AreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
ZONE_CONTAINER* modified_area,
bool bMessageBoxArc,
bool bMessageBoxInt );
* @return true if some areas modified
*/
bool OnAreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
ZONE_CONTAINER* modified_area );
/**
* Function CombineAllAreasInNet
@ -1113,15 +1085,13 @@ public:
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas (useful
* in undo commands can be NULL
* @param aNetCode = net to consider
* @param bMessageBox : if true display warning message box
* @param bUseUtility : if true, don't check areas if both utility flags are 0
* @param aUseUtility : if true, don't check areas if both utility flags are 0
* Sets utility flag = 1 for any areas modified
* If an area has self-intersecting arcs, doesn't try to combine it
* @return true if some areas modified
*/
int CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList,
bool CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList,
int aNetCode,
bool bMessageBox,
bool bUseUtility );
bool aUseUtility );
/**
* Function RemoveArea
@ -1154,19 +1124,17 @@ public:
/**
* Function CombineAreas
* If possible, combine 2 copper areas
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas (useful
* in undo commands can be NULL
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas
* (useful for undo).
* @param area_ref = the main area (zone)
* @param area_to_combine = the zone that can be merged with area_ref
* area_ref must be BEFORE area_to_combine
* area_to_combine will be deleted, if areas are combined
* @return : 0 if no intersection
* 1 if intersection
* 2 if arcs intersect
* @return : true if area_to_combine is combined with area_ref (and therefore be deleted)
*/
int CombineAreas( PICKED_ITEMS_LIST* aDeletedList,
ZONE_CONTAINER* area_ref,
ZONE_CONTAINER* area_to_combine );
bool CombineAreas( PICKED_ITEMS_LIST* aDeletedList,
ZONE_CONTAINER* area_ref,
ZONE_CONTAINER* area_to_combine );
/**
* Function Test_Drc_Areas_Outlines_To_Areas_Outlines

1
pcbnew/class_pad.cpp
View File

@ -44,6 +44,7 @@
#include <class_board.h>
#include <class_module.h>
#include <polygon_test_point_inside.h>
int D_PAD::m_PadSketchModePenSize = 0; // Pen size used to draw pads in sketch mode

3
pcbnew/class_zone.cpp
View File

@ -47,6 +47,7 @@
#include <pcbnew.h>
#include <zones.h>
#include <math_for_graphics.h>
#include <polygon_test_point_inside.h>
ZONE_CONTAINER::ZONE_CONTAINER( BOARD* aBoard ) :
@ -65,7 +66,6 @@ ZONE_CONTAINER::ZONE_CONTAINER( BOARD* aBoard ) :
SetDoNotAllowTracks( true ); // has meaning only if m_isKeepout == true
m_cornerRadius = 0;
utility = 0; // flags used in polygon calculations
utility2 = 0; // flags used in polygon calculations
m_Poly = new CPolyLine(); // Outlines
aBoard->GetZoneSettings().ExportSetting( *this );
}
@ -102,7 +102,6 @@ ZONE_CONTAINER::ZONE_CONTAINER( const ZONE_CONTAINER& aZone ) :
utility = aZone.utility;
utility2 = aZone.utility;
}

2
pcbnew/class_zone.h
View File

@ -573,7 +573,7 @@ public:
// thickness of the copper bridge in thermal reliefs
int m_ThermalReliefCopperBridge;
int utility, utility2; // flags used in polygon calculations
int utility; // flags used in polygon calculations
// true when a zone was filled, false after deleting the filled areas
bool m_IsFilled;

1
pcbnew/drc_clearance_test_functions.cpp
View File

@ -45,6 +45,7 @@
#include <class_zone.h>
#include <class_marker_pcb.h>
#include <math_for_graphics.h>
#include <polygon_test_point_inside.h>
/* compare 2 trapezoids (can be rectangle) and return true if distance > aDist

12
pcbnew/zones_by_polygon.cpp
View File

@ -44,8 +44,6 @@
#include <zones_functions_for_undo_redo.h>
#include <drc_stuff.h>
bool s_Verbose = false; // false if zone outline diags must not be shown
// Outline creation:
static void Abort_Zone_Create_Outline( EDA_DRAW_PANEL* Panel, wxDC* DC );
static void Show_New_Edge_While_Move_Mouse( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
@ -141,7 +139,7 @@ void PCB_EDIT_FRAME::duplicateZone( wxDC* aDC, ZONE_CONTAINER* aZone )
GetScreen()->SetCurItem( NULL ); // This outline may be deleted when merging outlines
// Combine zones if possible
GetBoard()->AreaPolygonModified( &_AuxiliaryList, newZone, true, s_Verbose );
GetBoard()->OnAreaPolygonModified( &_AuxiliaryList, newZone );
// Redraw zones
GetBoard()->RedrawAreasOutlines( m_canvas, aDC, GR_OR, newZone->GetLayer() );
@ -334,7 +332,7 @@ void PCB_EDIT_FRAME::End_Move_Zone_Corner_Or_Outlines( wxDC* DC, ZONE_CONTAINER*
// Combine zones if possible
wxBusyCursor dummy;
GetBoard()->AreaPolygonModified( &_AuxiliaryList, aZone, true, s_Verbose );
GetBoard()->OnAreaPolygonModified( &_AuxiliaryList, aZone );
m_canvas->Refresh();
@ -389,7 +387,7 @@ void PCB_EDIT_FRAME::Remove_Zone_Corner( wxDC* DC, ZONE_CONTAINER* aZone )
aZone->m_Poly->DeleteCorner( aZone->m_CornerSelection );
// modify zones outlines according to the new aZone shape
GetBoard()->AreaPolygonModified( &_AuxiliaryList, aZone, true, s_Verbose );
GetBoard()->OnAreaPolygonModified( &_AuxiliaryList, aZone );
if( DC )
{
@ -768,7 +766,7 @@ bool PCB_EDIT_FRAME::End_Zone( wxDC* DC )
GetScreen()->SetCurItem( NULL ); // This outline can be deleted when merging outlines
// Combine zones if possible :
GetBoard()->AreaPolygonModified( &_AuxiliaryList, zone, true, s_Verbose );
GetBoard()->OnAreaPolygonModified( &_AuxiliaryList, zone );
// Redraw the real edge zone :
GetBoard()->RedrawAreasOutlines( m_canvas, DC, GR_OR, layer );
@ -898,7 +896,7 @@ void PCB_EDIT_FRAME::Edit_Zone_Params( wxDC* DC, ZONE_CONTAINER* aZone )
aZone->SetNetName( net->GetNetname() );
// Combine zones if possible
GetBoard()->AreaPolygonModified( &_AuxiliaryList, aZone, true, s_Verbose );
GetBoard()->OnAreaPolygonModified( &_AuxiliaryList, aZone );
// Redraw the real new zone outlines
GetBoard()->RedrawAreasOutlines( m_canvas, DC, GR_OR, -1 );

1
pcbnew/zones_polygons_insulated_copper_islands.cpp
View File

@ -35,6 +35,7 @@
#include <pcbnew.h>
#include <zones.h>
#include <polygon_test_point_inside.h>
/**

2
pcbnew/zones_polygons_test_connections.cpp
View File

@ -28,7 +28,6 @@
#include <algorithm> // sort
#include <fctsys.h>
#include <common.h>
#include <macros.h>
@ -40,6 +39,7 @@
#include <pcbnew.h>
#include <zones.h>
#include <polygon_test_point_inside.h>
static bool CmpZoneSubnetValue( const BOARD_CONNECTED_ITEM* a, const BOARD_CONNECTED_ITEM* b );
void Merge_SubNets_Connected_By_CopperAreas( BOARD* aPcb, int aNetcode );

367
pcbnew/zones_test_and_combine_areas.cpp
View File

@ -43,11 +43,7 @@
#include <drc_stuff.h>
#include <math_for_graphics.h>
static bool bDontShowSelfIntersectionArcsWarning;
static bool bDontShowSelfIntersectionWarning;
static bool bDontShowIntersectionArcsWarning;
#define STRAIGHT 0 // To be remove after math_for_graphics code cleanup
/**
* Function AddArea
@ -126,199 +122,31 @@ ZONE_CONTAINER* BOARD::InsertArea( int netcode, int iarea, int layer, int x, int
/**
* Function TestAreaPolygon
* Test an area for self-intersection.
*
* @param CurrArea = copper area to test
* @return :
* -1 if arcs intersect other sides
* 0 if no intersecting sides
* 1 if intersecting sides, but no intersecting arcs
* Also sets utility2 flag of area with return value
*/
int BOARD::TestAreaPolygon( ZONE_CONTAINER* CurrArea )
{
CPolyLine* p = CurrArea->m_Poly;
// first, check for sides intersecting other sides, especially arcs
bool bInt = false;
bool bArcInt = false;
int n_cont = p->GetContoursCount();
// make bounding rect for each contour
std::vector<CRect> cr;
cr.reserve( n_cont );
for( int icont = 0; icont<n_cont; icont++ )
cr.push_back( p->GetCornerBounds( icont ) );
for( int icont = 0; icont<n_cont; icont++ )
{
int is_start = p->GetContourStart( icont );
int is_end = p->GetContourEnd( icont );
for( int is = is_start; is<=is_end; is++ )
{
int is_prev = is - 1;
if( is_prev < is_start )
is_prev = is_end;
int is_next = is + 1;
if( is_next > is_end )
is_next = is_start;
int style = p->GetSideStyle( is );
int x1i = p->GetX( is );
int y1i = p->GetY( is );
int x1f = p->GetX( is_next );
int y1f = p->GetY( is_next );
// check for intersection with any other sides
for( int icont2 = icont; icont2<n_cont; icont2++ )
{
if( cr[icont].left > cr[icont2].right
|| cr[icont].bottom > cr[icont2].top
|| cr[icont2].left > cr[icont].right
|| cr[icont2].bottom > cr[icont].top )
{
// rectangles don't overlap, do nothing
}
else
{
int is2_start = p->GetContourStart( icont2 );
int is2_end = p->GetContourEnd( icont2 );
for( int is2 = is2_start; is2<=is2_end; is2++ )
{
int is2_prev = is2 - 1;
if( is2_prev < is2_start )
is2_prev = is2_end;
int is2_next = is2 + 1;
if( is2_next > is2_end )
is2_next = is2_start;
if( icont != icont2
|| (is2 != is && is2 != is_prev && is2 != is_next && is != is2_prev
&& is !=
is2_next ) )
{
int style2 = p->GetSideStyle( is2 );
int x2i = p->GetX( is2 );
int y2i = p->GetY( is2 );
int x2f = p->GetX( is2_next );
int y2f = p->GetY( is2_next );
int ret = FindSegmentIntersections( x1i, y1i, x1f, y1f, style,
x2i, y2i, x2f, y2f, style2 );
if( ret )
{
// intersection between non-adjacent sides
bInt = true;
if( style != CPolyLine::STRAIGHT || style2 != CPolyLine::STRAIGHT )
{
bArcInt = true;
break;
}
}
}
}
}
if( bArcInt )
break;
}
if( bArcInt )
break;
}
if( bArcInt )
break;
}
if( bArcInt )
CurrArea->utility2 = -1;
else if( bInt )
CurrArea->utility2 = 1;
else
CurrArea->utility2 = 0;
return CurrArea->utility2;
}
/**
* Function ClipAreaPolygon
* Process an area that has been modified, by clipping its polygon against itself.
* Function NormalizeAreaPolygon
* Process an area that has been modified, by normalizing its polygon against itself.
* i.e. convert a self-intersecting polygon to one (or more) non self-intersecting polygon(s)
* This may change the number and order of copper areas in the net.
* @param aNewZonesList = a PICKED_ITEMS_LIST * where to store new areas pickers (useful in
* undo commands) can be NULL
* @param aNewZonesList = a PICKED_ITEMS_LIST * where to store new created areas
* @param aCurrArea = the zone to process
* @param bMessageBoxInt == true, shows message when clipping occurs.
* @param bMessageBoxArc == true, shows message when clipping can't be done due to arcs.
* @param bRetainArcs = true to handle arcs (not really used in KiCad)
* @return
* -1 if arcs intersect other sides, so polygon can't be clipped
* 0 if no intersecting sides
* 1 if intersecting sides
* @return true if changes are made
* Also sets areas->utility1 flags if areas are modified
*/
int BOARD::ClipAreaPolygon( PICKED_ITEMS_LIST * aNewZonesList,
ZONE_CONTAINER* aCurrArea,
bool bMessageBoxArc, bool bMessageBoxInt, bool bRetainArcs )
bool BOARD::NormalizeAreaPolygon( PICKED_ITEMS_LIST * aNewZonesList,
ZONE_CONTAINER* aCurrArea )
{
CPolyLine* curr_polygon = aCurrArea->m_Poly;
int test = TestAreaPolygon( aCurrArea ); // this sets utility2 flag
if( test == -1 && !bRetainArcs )
test = 1;
if( test == -1 )
{
// arc intersections, don't clip unless bRetainArcs == false
if( bMessageBoxArc && bDontShowSelfIntersectionArcsWarning == false )
{
wxString str;
str.Printf( wxT( "Area %08lX of net \"%s\" has arcs intersecting other sides.\n" ),
aCurrArea->GetTimeStamp(), GetChars( aCurrArea->GetNetName() ) );
str += wxT( "This may cause problems with other editing operations,\n" );
str += wxT( "such as adding cutouts. It can't be fixed automatically.\n" );
str += wxT( "Manual correction is recommended." );
wxMessageBox( str );
}
return -1; // arcs intersect with other sides, error
}
// mark all areas as unmodified except this one
// mark all areas as unmodified except this one, if modified
for( unsigned ia = 0; ia < m_ZoneDescriptorList.size(); ia++ )
m_ZoneDescriptorList[ia]->utility = 0;
aCurrArea->utility = 1;
if( test == 1 )
{
// non-arc intersections, clip the polygon
if( bMessageBoxInt && bDontShowSelfIntersectionWarning == false )
{
wxString str;
str.Printf( wxT( "Area %08lX of net \"%s\" is self-intersecting and will be clipped.\n" ),
aCurrArea->GetTimeStamp(), GetChars( aCurrArea->GetNetName() ) );
str += wxT( "This may result in splitting the area.\n" );
str += wxT( "If the area is complex, this may take a few seconds." );
wxMessageBox( str );
}
}
if( curr_polygon->IsPolygonSelfIntersecting() )
{
std::vector<CPolyLine*>* pa = new std::vector<CPolyLine*>;
curr_polygon->UnHatch();
int n_poly = aCurrArea->m_Poly->NormalizeAreaOutlines( pa, bRetainArcs );
int n_poly = aCurrArea->m_Poly->NormalizeAreaOutlines( pa );
// If clipping has created some polygons, we must add these new copper areas.
if( n_poly > 1 )
@ -340,60 +168,45 @@ int BOARD::ClipAreaPolygon( PICKED_ITEMS_LIST * aNewZonesList,
NewArea->utility = 1;
}
}
curr_polygon->Hatch();
delete pa;
}
return test;
curr_polygon->Hatch();
return true;
}
/**
* Process an area that has been modified, by clipping its polygon against
* itself and the polygons for any other areas on the same net.
* Process an area that has been modified, by normalizing its polygon
* and merging the intersecting polygons for any other areas on the same net.
* This may change the number and order of copper areas in the net.
* @param aModifiedZonesList = a PICKED_ITEMS_LIST * where to store deleted or added areas
* (useful in undo commands can be NULL
* @param modified_area = area to test
* @param bMessageBoxArc if true, shows message when clipping can't be done due to arcs.
* @param bMessageBoxInt == true, shows message when clipping occurs.
* @return :
* -1 if arcs intersect other sides, so polygon can't be clipped
* 0 if no intersecting sides
* 1 if intersecting sides, polygon clipped
* @return true if some areas modified
*/
int BOARD::AreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
ZONE_CONTAINER* modified_area,
bool bMessageBoxArc,
bool bMessageBoxInt )
bool BOARD::OnAreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
ZONE_CONTAINER* modified_area )
{
// clip polygon against itself
int test = ClipAreaPolygon( aModifiedZonesList, modified_area, bMessageBoxArc, bMessageBoxInt );
if( test == -1 )
return test;
bool modified = NormalizeAreaPolygon( aModifiedZonesList, modified_area );
// now see if we need to clip against other areas
int layer = modified_area->GetLayer();
bool bCheckAllAreas = false;
if( test == 1 )
bCheckAllAreas = true;
else
bCheckAllAreas = TestAreaIntersections( modified_area );
bool bCheckAllAreas = TestAreaIntersections( modified_area );
if( bCheckAllAreas )
CombineAllAreasInNet( aModifiedZonesList, modified_area->GetNet(), bMessageBoxInt, true );
{
modified = true;
CombineAllAreasInNet( aModifiedZonesList, modified_area->GetNet(), true );
}
if( layer >= FIRST_NO_COPPER_LAYER ) // Refill non copper zones on this layer
{
if( m_ZoneDescriptorList.size() > 0 )
{
for( unsigned ia = 0; ia < m_ZoneDescriptorList.size(); ia++ )
if( m_ZoneDescriptorList[ia]->GetLayer() == layer )
m_ZoneDescriptorList[ia]->BuildFilledPolysListData( this );
}
for( unsigned ia = 0; ia < m_ZoneDescriptorList.size(); ia++ )
if( m_ZoneDescriptorList[ia]->GetLayer() == layer )
m_ZoneDescriptorList[ia]->BuildFilledPolysListData( this );
}
// Test for bad areas: all zones must have more than 2 corners:
@ -408,33 +221,29 @@ int BOARD::AreaPolygonModified( PICKED_ITEMS_LIST* aModifiedZonesList,
RemoveArea( aModifiedZonesList, zone );
}
return test;
return modified;
}
/**
* Function CombineAllAreasInNet
* Checks all copper areas in net for intersections, combining them if found
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas (useful in
* undo commands can be NULL
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas (useful
* in undo commands can be NULL
* @param aNetCode = net to consider
* @param bMessageBox : if true display warning message box
* @param bUseUtility : if true, don't check areas if both utility flags are 0
* @param aUseUtility : if true, don't check areas if both utility flags are 0
* Sets utility flag = 1 for any areas modified
* If an area has self-intersecting arcs, doesn't try to combine it
*/
int BOARD::CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList, int aNetCode,
bool bMessageBox, bool bUseUtility )
* @return true if some areas modified
*/
bool BOARD::CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList, int aNetCode,
bool aUseUtility )
{
if( m_ZoneDescriptorList.size() <= 1 )
return 0;
return false;
// start by testing all area polygons to set utility2 flags
for( unsigned ia = 0; ia < m_ZoneDescriptorList.size(); ia++ )
if( m_ZoneDescriptorList[ia]->GetNet() == aNetCode )
TestAreaPolygon( m_ZoneDescriptorList[ia] );
bool modified = false;
// now loop through all combinations
//Loop through all combinations
for( unsigned ia1 = 0; ia1 < m_ZoneDescriptorList.size() - 1; ia1++ )
{
ZONE_CONTAINER* curr_area = m_ZoneDescriptorList[ia1];
@ -458,15 +267,14 @@ int BOARD::CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList, int aNetCode,
if( curr_area->GetIsKeepout() != area2->GetIsKeepout() )
continue;
if( curr_area->GetLayer() == area2->GetLayer()
&& curr_area->utility2 != -1 && area2->utility2 != -1 )
if( curr_area->GetLayer() == area2->GetLayer() )
{
CRect b2 = area2->m_Poly->GetCornerBounds();
if( !( b1.left > b2.right || b1.right < b2.left
|| b1.bottom > b2.top || b1.top < b2.bottom ) )
{
// check area2 against curr_area
if( curr_area->utility || area2->utility || bUseUtility == false )
if( curr_area->utility || area2->utility || aUseUtility == false )
{
int ret = TestAreaIntersection( curr_area, area2 );
@ -476,19 +284,7 @@ int BOARD::CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList, int aNetCode,
if( ret == 1 )
{
mod_ia1 = true;
}
else if( ret == 2 )
{
if( bMessageBox && bDontShowIntersectionArcsWarning == false )
{
wxString str;
str.Printf( wxT( "Areas %d and %d of net \"%s\" intersect, but some of the intersecting sides are arcs.\n" ),
ia1 + 1,
ia2 + 1,
GetChars( curr_area->GetNetName() ) );
str += wxT( "Therefore, these areas can't be combined." );
wxMessageBox( str );
}
modified = true;
}
}
}
@ -499,7 +295,7 @@ int BOARD::CombineAllAreasInNet( PICKED_ITEMS_LIST* aDeletedList, int aNetCode,
ia1--; // if modified, we need to check it again
}
return 0;
return modified;
}
@ -556,7 +352,7 @@ bool BOARD::TestAreaIntersections( ZONE_CONTAINER* area_to_test )
{
int xi1 = poly1->GetX( ic1 );
int yi1 = poly1->GetY( ic1 );
int xf1, yf1, style1;
int xf1, yf1;
if( ic1 < ie1 )
{
@ -569,8 +365,6 @@ bool BOARD::TestAreaIntersections( ZONE_CONTAINER* area_to_test )
yf1 = poly1->GetY( is1 );
}
style1 = poly1->GetSideStyle( ic1 );
for( int icont2 = 0; icont2 < poly2->GetContoursCount(); icont2++ )
{
int is2 = poly2->GetContourStart( icont2 );
@ -580,7 +374,7 @@ bool BOARD::TestAreaIntersections( ZONE_CONTAINER* area_to_test )
{
int xi2 = poly2->GetX( ic2 );
int yi2 = poly2->GetY( ic2 );
int xf2, yf2, style2;
int xf2, yf2;
if( ic2 < ie2 )
{
@ -593,9 +387,8 @@ bool BOARD::TestAreaIntersections( ZONE_CONTAINER* area_to_test )
yf2 = poly2->GetY( is2 );
}
style2 = poly2->GetSideStyle( ic2 );
int n_int = FindSegmentIntersections( xi1, yi1, xf1, yf1, style1,
xi2, yi2, xf2, yf2, style2 );
int n_int = FindSegmentIntersections( xi1, yi1, xf1, yf1,
xi2, yi2, xf2, yf2 );
if( n_int )
return true;
}
@ -640,7 +433,6 @@ bool BOARD::TestAreaIntersections( ZONE_CONTAINER* area_to_test )
* @param area_to_test = area to compare for intersection calculations
* @return : 0 if no intersection
* 1 if intersection
* 2 if arcs intersect
*/
int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_to_test )
{
@ -655,15 +447,12 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
CRect b1 = poly1->GetCornerBounds();
CRect b2 = poly2->GetCornerBounds();
if( b1.bottom > b2.top
|| b1.top < b2.bottom
|| b1.left > b2.right
|| b1.right < b2.left )
if( b1.bottom > b2.top || b1.top < b2.bottom ||
b1.left > b2.right || b1.right < b2.left )
return 0;
// now test for intersecting segments
bool bInt = false;
bool bArcInt = false;
for( int icont1 = 0; icont1<poly1->GetContoursCount(); icont1++ )
{
@ -674,7 +463,7 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
{
int xi1 = poly1->GetX( ic1 );
int yi1 = poly1->GetY( ic1 );
int xf1, yf1, style1;
int xf1, yf1;
if( ic1 < ie1 )
{
@ -687,8 +476,6 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
yf1 = poly1->GetY( is1 );
}
style1 = poly1->GetSideStyle( ic1 );
for( int icont2 = 0; icont2<poly2->GetContoursCount(); icont2++ )
{
int is2 = poly2->GetContourStart( icont2 );
@ -698,7 +485,7 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
{
int xi2 = poly2->GetX( ic2 );
int yi2 = poly2->GetY( ic2 );
int xf2, yf2, style2;
int xf2, yf2;
if( ic2 < ie2 )
{
@ -711,37 +498,20 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
yf2 = poly2->GetY( is2 );
}
style2 = poly2->GetSideStyle( ic2 );
int n_int = FindSegmentIntersections( xi1, yi1, xf1, yf1, style1,
xi2, yi2, xf2, yf2, style2 );
int n_int = FindSegmentIntersections( xi1, yi1, xf1, yf1,
xi2, yi2, xf2, yf2 );
if( n_int )
{
bInt = true;
if( style1 != CPolyLine::STRAIGHT || style2 != CPolyLine::STRAIGHT )
bArcInt = true;
break;
}
}
if( bArcInt )
break;
}
if( bArcInt )
break;
}
if( bArcInt )
break;
}
if( !bInt )
{
if( bArcInt )
return 0;
// If a contour is inside an other contour, no segments intersects, but the zones
// can be combined test a corner inside an outline (only one corner is enought)
for( int ic2 = 0; ic2 < poly2->GetNumCorners(); ic2++ )
@ -769,9 +539,6 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
return 0;
}
if( bArcInt )
return 2;
return 1;
}
@ -779,24 +546,22 @@ int BOARD::TestAreaIntersection( ZONE_CONTAINER* area_ref, ZONE_CONTAINER* area_
/**
* Function CombineAreas
* Merge 2 copper areas (which are expected intersecting)
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas (useful in undo
* commands can be NULL
* @param aDeletedList = a PICKED_ITEMS_LIST * where to store deleted areas
* (useful for undo command)
* @param area_ref = the main area (zone)
* @param area_to_combine = the zone that can be merged with area_ref
* area_ref must be BEFORE area_to_combine
* area_to_combine will be deleted, if areas are combined
* @return : 0 if no intersection
* 1 if intersection
* 2 if arcs intersect (Currently not supported)
* @return : true if area_to_combine is combined with area_ref (and therefore be deleted)
*/
int BOARD::CombineAreas( PICKED_ITEMS_LIST* aDeletedList, ZONE_CONTAINER* area_ref,
bool BOARD::CombineAreas( PICKED_ITEMS_LIST* aDeletedList, ZONE_CONTAINER* area_ref,
ZONE_CONTAINER* area_to_combine )
{
if( area_ref == area_to_combine )
{
wxASSERT( 0 );
return 0;
return false;
}
// polygons intersect, combine them
@ -920,7 +685,7 @@ int BOARD::CombineAreas( PICKED_ITEMS_LIST* aDeletedList, ZONE_CONTAINER* area_r
area_ref->utility = 1;
area_ref->m_Poly->Hatch();
return 1;
return true;
}
@ -1054,8 +819,6 @@ int BOARD::Test_Drc_Areas_Outlines_To_Areas_Outlines( ZONE_CONTAINER* aArea_To_E
ay2 = refSmoothedPoly->GetY( ic + 1 );
}
int astyle = refSmoothedPoly->GetSideStyle( ic );
for( int icont2 = 0; icont2 < testSmoothedPoly->GetContoursCount(); icont2++ )
{
int ic_start2 = testSmoothedPoly->GetContourStart( icont2 );
@ -1078,13 +841,11 @@ int BOARD::Test_Drc_Areas_Outlines_To_Areas_Outlines( ZONE_CONTAINER* aArea_To_E
by2 = testSmoothedPoly->GetY( ic2 + 1 );
}
int bstyle = testSmoothedPoly->GetSideStyle( ic2 );
int x, y;
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2, bstyle,
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2,
0,
ax1, ay1, ax2,
ay2, astyle,
ax1, ay1, ax2, ay2,
0,
zone2zoneClearance,
&x, &y );
@ -1196,7 +957,6 @@ bool DRC::doEdgeZoneDrc( ZONE_CONTAINER* aArea, int aCornerIndex )
}
// now test spacing between areas
int astyle = CPolyLine::STRAIGHT;
int ax1 = start.x;
int ay1 = start.y;
int ax2 = end.x;
@ -1224,11 +984,10 @@ bool DRC::doEdgeZoneDrc( ZONE_CONTAINER* aArea, int aCornerIndex )
by2 = area_to_test->m_Poly->GetY( ic2 + 1 );
}
int bstyle = area_to_test->m_Poly->GetSideStyle( ic2 );
int x, y; // variables containing the intersecting point coordinates
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2, bstyle,
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2,
0,
ax1, ay1, ax2, ay2, astyle,
ax1, ay1, ax2, ay2,
0,
zone_clearance,
&x, &y );

566
polygon/PolyLine.cpp
View File

@ -14,6 +14,10 @@
#include <bezier_curves.h>
#include <polygon_test_point_inside.h>
#include <math_for_graphics.h>
#include <polygon_test_point_inside.h>
enum m_SideStyle { STRAIGHT }; // side styles
CPolyLine::CPolyLine()
{
@ -57,12 +61,11 @@ void armBoolEng( Bool_Engine* aBooleng, bool aConvertHoles = false );
* because copper areas have only one outside contour
* Therefore, if this results in new CPolyLines, return them as std::vector pa
* @param aExtraPolyList: pointer on a std::vector<CPolyLine*> to store extra CPolyLines
* @param bRetainArcs == true, try to retain arcs in polys
* (when after normalization, there is more than one polygon with holes)
* @return number of external contours, or -1 if error
*/
int CPolyLine::NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList, bool bRetainArcs )
int CPolyLine::NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList )
{
std::vector<CArc> arc_array;
std::vector <void*> hole_array; // list of holes
std::vector<int>* hole; // used to store corners for a given hole
CPolyLine* polyline;
@ -74,10 +77,7 @@ int CPolyLine::NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList, bool
* will be converted in non self crossing polygons by inserting extra points at the crossing locations
* True holes are combined if possible
*/
if( bRetainArcs )
MakeKboolPoly( &arc_array );
else
MakeKboolPoly( NULL );
MakeKboolPoly();
UnHatch();
@ -111,7 +111,6 @@ int CPolyLine::NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList, bool
{
// first external contour, replace this poly
m_CornersList.clear();
m_SideStyle.clear();
bool first = true;
while( m_Kbool_Poly_Engine->PolygonHasMorePoints() )
@ -203,16 +202,13 @@ int CPolyLine::NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList, bool
{
int x = (*hole)[ii]; ii++;
int y = (*hole)[ii];
polyline->AppendCorner( x, y, STRAIGHT, false );
polyline->AppendCorner( x, y );
}
polyline->CloseLastContour();
}
}
if( bRetainArcs )
RestoreArcs( &arc_array, aExtraPolyList );
delete m_Kbool_Poly_Engine;
m_Kbool_Poly_Engine = NULL;
@ -263,12 +259,10 @@ int CPolyLine::AddPolygonsToBoolEng( Bool_Engine* aBooleng, GroupType aGroup )
/**
* Function MakeKboolPoly
* fill a kbool engine with a closed polyline contour
* approximates arcs with multiple straight-line segments
* combining intersecting contours if possible
* @param arc_array : return corners computed from arcs approximations in arc_array
* normalize self-intersecting contours
* @return error: 0 if Ok, 1 if error
*/
int CPolyLine::MakeKboolPoly( std::vector<CArc>* arc_array )
int CPolyLine::MakeKboolPoly()
{
if( m_Kbool_Poly_Engine )
{
@ -279,15 +273,9 @@ int CPolyLine::MakeKboolPoly( std::vector<CArc>* arc_array )
if( !GetClosed() )
return 1; // error
int n_arcs = 0;
int polycount = GetContoursCount();
int last_contour = polycount - 1;
if( arc_array )
arc_array->clear();
int iarc = 0;
for( int icont = 0; icont <= last_contour; icont++ )
{
// Fill a kbool engine for this contour,
@ -314,8 +302,6 @@ int CPolyLine::MakeKboolPoly( std::vector<CArc>* arc_array )
}
}
// first, calculate number of vertices in contour
int n_vertices = 0;
int ic_st = GetContourStart( icont );
int ic_end = GetContourEnd( icont );
@ -325,159 +311,12 @@ int CPolyLine::MakeKboolPoly( std::vector<CArc>* arc_array )
return 1; // error
}
for( int ic = ic_st; ic<=ic_end; ic++ )
// Enter this contour to booleng
for( int ic = ic_st; ic <= ic_end; ic++ )
{
int style = m_SideStyle[ic];
if( style == STRAIGHT )
n_vertices++;
else
{
// style is ARC_CW or ARC_CCW
int n = CArc::ARC_STEPS;
n_vertices += n;
n_arcs++;
}
}
// now enter this contour to booleng
int ivtx = 0;
for( int ic = ic_st; ic<=ic_end; ic++ )
{
int style = m_SideStyle[ic];
int x1 = m_CornersList[ic].x;
int y1 = m_CornersList[ic].y;
int x2, y2;
if( ic < ic_end )
{
x2 = m_CornersList[ic + 1].x;
y2 = m_CornersList[ic + 1].y;
}
else
{
x2 = m_CornersList[ic_st].x;
y2 = m_CornersList[ic_st].y;
}
if( style == STRAIGHT )
{
booleng->AddPoint( x1, y1 );
ivtx++;
}
else
{
// style is arc_cw or arc_ccw
int n; // number of steps for arcs
n = CArc::ARC_STEPS;
double xo, yo, theta1, theta2, a, b;
a = fabs( (double) (x1 - x2) );
b = fabs( (double) (y1 - y2) );
if( style == CPolyLine::ARC_CW )
{
// clockwise arc (ie.quadrant of ellipse)
if( x2 > x1 && y2 > y1 )
{
// first quadrant, draw second quadrant of ellipse
xo = x2;
yo = y1;
theta1 = M_PI;
theta2 = M_PI / 2.0;
}
else if( x2 < x1 && y2 > y1 )
{
// second quadrant, draw third quadrant of ellipse
xo = x1;
yo = y2;
theta1 = 3.0 * M_PI / 2.0;
theta2 = M_PI;
}
else if( x2 < x1 && y2 < y1 )
{
// third quadrant, draw fourth quadrant of ellipse
xo = x2;
yo = y1;
theta1 = 2.0 * M_PI;
theta2 = 3.0 * M_PI / 2.0;
}
else
{
xo = x1; // fourth quadrant, draw first quadrant of ellipse
yo = y2;
theta1 = M_PI / 2.0;
theta2 = 0.0;
}
}
else
{
// counter-clockwise arc
if( x2 > x1 && y2 > y1 )
{
xo = x1; // first quadrant, draw fourth quadrant of ellipse
yo = y2;
theta1 = 3.0 * M_PI / 2.0;
theta2 = 2.0 * M_PI;
}
else if( x2 < x1 && y2 > y1 )
{
xo = x2; // second quadrant
yo = y1;
theta1 = 0.0;
theta2 = M_PI / 2.0;
}
else if( x2 < x1 && y2 < y1 )
{
xo = x1; // third quadrant
yo = y2;
theta1 = M_PI / 2.0;
theta2 = M_PI;
}
else
{
xo = x2; // fourth quadrant
yo = y1;
theta1 = M_PI;
theta2 = 3.0 * M_PI / 2.0;
}
}
// now write steps for arc
if( arc_array )
{
CArc new_arc;
new_arc.style = style;
new_arc.n_steps = n;
new_arc.xi = x1;
new_arc.yi = y1;
new_arc.xf = x2;
new_arc.yf = y2;
arc_array->push_back( new_arc );
iarc++;
}
for( int is = 0; is<n; is++ )
{
double theta = theta1 + ( (theta2 - theta1) * (double) is ) / n;
double x = xo + a* cos( theta );
double y = yo + b* sin( theta );
if( is == 0 )
{
x = x1;
y = y1;
}
booleng->AddPoint( x, y );
ivtx++;
}
}
}
if( n_vertices != ivtx )
{
wxASSERT( 0 );
booleng->AddPoint( x1, y1 );
}
// close list added to the bool engine
@ -604,194 +443,23 @@ void armBoolEng( Bool_Engine* aBooleng, bool aConvertHoles )
}
int CPolyLine::NormalizeAreaOutlines( std::vector<CPolyLine*>* pa, bool bRetainArcs )
/**
* Function NormalizeAreaOutlines
* Convert a self-intersecting polygon to one (or more) non self-intersecting polygon(s)
* @param aNewPolygonList = a std::vector<CPolyLine*> reference where to store new CPolyLine
* needed by the normalization
* @return the polygon count (always >= 1, becuse there is at lesat one polygon)
* There are new polygons only if the polygon count is > 1
*/
int CPolyLine::NormalizeAreaOutlines( std::vector<CPolyLine*>* aNewPolygonList )
{
return NormalizeWithKbool( pa, bRetainArcs );
return NormalizeWithKbool( aNewPolygonList );
}
// Restore arcs to a polygon where they were replaced with steps
// If pa != NULL, also use polygons in pa array
//
int CPolyLine::RestoreArcs( std::vector<CArc>* arc_array, std::vector<CPolyLine*>* pa )
{
// get poly info
int n_polys = 1;
if( pa )
n_polys += pa->size();
CPolyLine* poly;
// undraw polys and clear m_utility flag for all corners
for( int ip = 0; ip<n_polys; ip++ )
{
if( ip == 0 )
poly = this;
else
poly = (*pa)[ip - 1];
poly->UnHatch();
for( int ic = 0; ic<poly->GetNumCorners(); ic++ )
poly->SetUtility( ic, 0 );
// clear m_utility flag
}
// find arcs and replace them
bool bFound;
int arc_start = 0;
int arc_end = 0;
for( unsigned iarc = 0; iarc<arc_array->size(); iarc++ )
{
int arc_xi = (*arc_array)[iarc].xi;
int arc_yi = (*arc_array)[iarc].yi;
int arc_xf = (*arc_array)[iarc].xf;
int arc_yf = (*arc_array)[iarc].yf;
int n_steps = (*arc_array)[iarc].n_steps;
int style = (*arc_array)[iarc].style;
bFound = false;
// loop through polys
for( int ip = 0; ip<n_polys; ip++ )
{
if( ip == 0 )
poly = this;
else
poly = (*pa)[ip - 1];
int polycount = poly->GetContoursCount();
for( int icont = 0; icont < polycount; icont++ )
{
int ic_start = poly->GetContourStart( icont );
int ic_end = poly->GetContourEnd( icont );
if( (ic_end - ic_start) > n_steps )
{
for( int ic = ic_start; ic<=ic_end; ic++ )
{
int ic_next = ic + 1;
if( ic_next > ic_end )
ic_next = ic_start;
int xi = poly->GetX( ic );
int yi = poly->GetY( ic );
if( xi == arc_xi && yi == arc_yi )
{
// test for forward arc
int ic2 = ic + n_steps;
if( ic2 > ic_end )
ic2 = ic2 - ic_end + ic_start - 1;
int xf = poly->GetX( ic2 );
int yf = poly->GetY( ic2 );
if( xf == arc_xf && yf == arc_yf )
{
// arc from ic to ic2
bFound = true;
arc_start = ic;
arc_end = ic2;
}
else
{
// try reverse arc
ic2 = ic - n_steps;
if( ic2 < ic_start )
ic2 = ic2 - ic_start + ic_end + 1;
xf = poly->GetX( ic2 );
yf = poly->GetY( ic2 );
if( xf == arc_xf && yf == arc_yf )
{
// arc from ic2 to ic
bFound = true;
arc_start = ic2;
arc_end = ic;
style = 3 - style;
}
}
if( bFound )
{
poly->m_SideStyle[arc_start] = style;
// mark corners for deletion from arc_start+1 to arc_end-1
for( int i = arc_start + 1; i!=arc_end; )
{
if( i > ic_end )
i = ic_start;
poly->SetUtility( i, 1 );
if( i == ic_end )
i = ic_start;
else
i++;
}
break;
}
}
if( bFound )
break;
}
}
if( bFound )
break;
}
}
if( bFound )
(*arc_array)[iarc].bFound = true;
}
// now delete all marked corners
for( int ip = 0; ip<n_polys; ip++ )
{
if( ip == 0 )
poly = this;
else
poly = (*pa)[ip - 1];
for( int ic = poly->GetNumCorners() - 1; ic>=0; ic-- )
{
if( poly->GetUtility( ic ) )
poly->DeleteCorner( ic, false );
}
}
return 0;
}
// initialize new polyline
// set layer, width, selection box size, starting point, id and pointer
//
// if sel_box = 0, don't create selection elements at all
//
// if polyline is board outline, enter with:
// id.type = ID_BOARD
// id.st = ID_BOARD_OUTLINE
// id.i = 0
// ptr = NULL
//
// if polyline is copper area, enter with:
// id.type = ID_NET;
// id.st = ID_AREA
// id.i = index to area
// ptr = pointer to net
//
/* initialize a contour
* set layer, hatch style, and starting point
*/
void CPolyLine::Start( int layer, int x, int y, int hatch )
{
m_layer = layer;
@ -800,27 +468,19 @@ void CPolyLine::Start( int layer, int x, int y, int hatch )
poly_pt.end_contour = false;
m_CornersList.push_back( poly_pt );
m_SideStyle.push_back( 0 );
}
// add a corner to unclosed polyline
//
void CPolyLine::AppendCorner( int x, int y, int style, bool bDraw )
void CPolyLine::AppendCorner( int x, int y )
{
UnHatch();
CPolyPt poly_pt( x, y );
poly_pt.end_contour = false;
// add entries for new corner and side
// add entries for new corner
m_CornersList.push_back( poly_pt );
m_SideStyle.push_back( style );
if( m_CornersList.size() > 0 && !m_CornersList[m_CornersList.size() - 1].end_contour )
m_SideStyle[m_CornersList.size() - 1] = style;
if( bDraw )
Hatch();
}
@ -845,40 +505,32 @@ void CPolyLine::MoveCorner( int ic, int x, int y )
// delete corner and adjust arrays
//
void CPolyLine::DeleteCorner( int ic, bool bDraw )
void CPolyLine::DeleteCorner( int ic )
{
UnHatch();
int icont = GetContour( ic );
int istart = GetContourStart( icont );
int iend = GetContourEnd( icont );
bool bClosed = icont < GetContoursCount() - 1 || GetClosed();
bool closed = icont < GetContoursCount() - 1 || GetClosed();
if( !bClosed )
if( !closed )
{
// open contour, must be last contour
m_CornersList.erase( m_CornersList.begin() + ic );
if( ic != istart )
m_SideStyle.erase( m_SideStyle.begin() + ic - 1 );
}
else
{
// closed contour
m_CornersList.erase( m_CornersList.begin() + ic );
m_SideStyle.erase( m_SideStyle.begin() + ic );
if( ic == iend )
m_CornersList[ic - 1].end_contour = true;
}
if( bClosed && GetContourSize( icont ) < 3 )
if( closed && GetContourSize( icont ) < 3 )
{
// delete the entire contour
RemoveContour( icont );
}
if( bDraw )
Hatch();
}
@ -907,7 +559,6 @@ void CPolyLine::RemoveContour( int icont )
{
// remove last contour
m_CornersList.erase( m_CornersList.begin() + istart, m_CornersList.end() );
m_SideStyle.erase( m_SideStyle.begin() + istart, m_SideStyle.end() );
}
else
{
@ -915,7 +566,6 @@ void CPolyLine::RemoveContour( int icont )
for( int ic = iend; ic>=istart; ic-- )
{
m_CornersList.erase( m_CornersList.begin() + ic );
m_SideStyle.erase( m_SideStyle.begin() + ic );
}
}
@ -1140,7 +790,6 @@ void CPolyLine::RemoveAllContours( void )
*/
{
m_CornersList.clear();
m_SideStyle.clear();
}
@ -1157,12 +806,10 @@ void CPolyLine::InsertCorner( int ic, int x, int y )
if( (unsigned) (ic) >= m_CornersList.size() )
{
m_CornersList.push_back( CPolyPt( x, y ) );
m_SideStyle.push_back( STRAIGHT );
}
else
{
m_CornersList.insert( m_CornersList.begin() + ic + 1, CPolyPt( x, y ) );
m_SideStyle.insert( m_SideStyle.begin() + ic + 1, STRAIGHT );
}
if( (unsigned) (ic + 1) < m_CornersList.size() )
@ -1348,41 +995,6 @@ int CPolyLine::GetContourSize( int icont )
}
void CPolyLine::SetSideStyle( int is, int style )
{
UnHatch();
wxPoint p1, p2;
if( is == (int) (m_CornersList.size() - 1) )
{
p1.x = m_CornersList[m_CornersList.size() - 1].x;
p1.y = m_CornersList[m_CornersList.size() - 1].y;
p2.x = m_CornersList[0].x;
p2.y = m_CornersList[0].y;
}
else
{
p1.x = m_CornersList[is].x;
p1.y = m_CornersList[is].y;
p2.x = m_CornersList[is + 1].x;
p2.y = m_CornersList[is + 1].y;
}
if( p1.x == p2.x || p1.y == p2.y )
m_SideStyle[is] = STRAIGHT;
else
m_SideStyle[is] = style;
Hatch();
}
int CPolyLine::GetSideStyle( int is )
{
return m_SideStyle[is];
}
int CPolyLine::GetClosed()
{
if( m_CornersList.size() == 0 )
@ -1500,7 +1112,6 @@ void CPolyLine::Hatch()
m_CornersList[ic].x, m_CornersList[ic].y,
m_CornersList[i_start_contour].x,
m_CornersList[i_start_contour].y,
m_SideStyle[ic],
&x, &y, &x2, &y2 );
i_start_contour = ic + 1;
}
@ -1509,7 +1120,6 @@ void CPolyLine::Hatch()
ok = FindLineSegmentIntersection( a, slope,
m_CornersList[ic].x, m_CornersList[ic].y,
m_CornersList[ic + 1].x, m_CornersList[ic + 1].y,
m_SideStyle[ic],
&x, &y, &x2, &y2 );
}
@ -1625,8 +1235,6 @@ void CPolyLine::Copy( CPolyLine* src )
m_hatchPitch = src->m_hatchPitch;
// copy corners, using vector copy
m_CornersList = src->m_CornersList;
// copy side styles, using vector copy
m_SideStyle = src->m_SideStyle;
}
@ -1683,7 +1291,8 @@ void CPolyLine::SetEndContour( int ic, bool end_contour )
}
/*
* AppendArc adds segments to current contour to approximate the given arc
* AppendArc:
* adds segments to current contour to approximate the given arc
*/
void CPolyLine::AppendArc( int xi, int yi, int xf, int yf, int xc, int yc, int num )
{
@ -1701,7 +1310,7 @@ void CPolyLine::AppendArc( int xi, int yi, int xf, int yf, int xc, int yc, int n
{
int x = KiROUND( xc + radius * cos( theta ) );
int y = KiROUND( yc + radius * sin( theta ) );
AppendCorner( x, y, STRAIGHT, 0 );
AppendCorner( x, y );
theta += th_d;
}
@ -1776,10 +1385,9 @@ int CPolyLine::Distance( wxPoint aStart, wxPoint aEnd, int aWidth )
by2 = GetY( ic2 + 1 );
}
int bstyle = GetSideStyle( ic2 );
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2, bstyle, 0,
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2, 0,
aStart.x, aStart.y, aEnd.x, aEnd.y,
CPolyLine::STRAIGHT, aWidth,
aWidth,
1, // min clearance, should be > 0
NULL, NULL );
@ -1835,12 +1443,9 @@ int CPolyLine::Distance( const wxPoint& aPoint )
by2 = GetY( ic2 + 1 );
}
// Here we expect only straight lines for vertices
// (no arcs, not yet supported in Pcbnew)
int d = KiROUND( GetPointToLineSegmentDistance( aPoint.x, aPoint.y,
bx1, by1, bx2, by2 ) );
if( distance > d )
distance = d;
@ -2000,3 +1605,100 @@ void ConvertPolysListWithHolesToOnePolygon( const std::vector<CPolyPt>& aPolysL
aOnePolyList.push_back( corner );
}
}
/**
* Function IsPolygonSelfIntersecting
* Test a CPolyLine for self-intersection of vertex (all contours).
*
* @return :
* false if no intersecting sides
* true if intersecting sides
* When a CPolyLine is self intersectic, it need to be normalized.
* (converted to non intersecting polygons)
*/
bool CPolyLine::IsPolygonSelfIntersecting()
{
// first, check for sides intersecting other sides
int n_cont = GetContoursCount();
// make bounding rect for each contour
std::vector<CRect> cr;
cr.reserve( n_cont );
for( int icont = 0; icont<n_cont; icont++ )
cr.push_back( GetCornerBounds( icont ) );
for( int icont = 0; icont<n_cont; icont++ )
{
int is_start = GetContourStart( icont );
int is_end = GetContourEnd( icont );
for( int is = is_start; is<=is_end; is++ )
{
int is_prev = is - 1;
if( is_prev < is_start )
is_prev = is_end;
int is_next = is + 1;
if( is_next > is_end )
is_next = is_start;
int x1i = GetX( is );
int y1i = GetY( is );
int x1f = GetX( is_next );
int y1f = GetY( is_next );
// check for intersection with any other sides
for( int icont2 = icont; icont2<n_cont; icont2++ )
{
if( cr[icont].left > cr[icont2].right
|| cr[icont].bottom > cr[icont2].top
|| cr[icont2].left > cr[icont].right
|| cr[icont2].bottom > cr[icont].top )
{
// rectangles don't overlap, do nothing
}
else
{
int is2_start = GetContourStart( icont2 );
int is2_end = GetContourEnd( icont2 );
for( int is2 = is2_start; is2<=is2_end; is2++ )
{
int is2_prev = is2 - 1;
if( is2_prev < is2_start )
is2_prev = is2_end;
int is2_next = is2 + 1;
if( is2_next > is2_end )
is2_next = is2_start;
if( icont != icont2
|| ( is2 != is && is2 != is_prev && is2 != is_next &&
is != is2_prev && is != is2_next )
)
{
int x2i = GetX( is2 );
int y2i = GetY( is2 );
int x2f = GetX( is2_next );
int y2f = GetY( is2_next );
int ret = FindSegmentIntersections( x1i, y1i, x1f, y1f,
x2i, y2i, x2f, y2f );
if( ret )
{
// intersection between non-adjacent sides
return true;
}
}
}
}
}
}
}
return false;
}

60
polygon/PolyLine.h
View File

@ -24,13 +24,13 @@
#include <polygons_defs.h>
// inflection modes for DS_LINE and DS_LINE_VERTEX, used in math_for_graphics.cpp
enum {
/*enum {
IM_NONE = 0,
IM_90_45,
IM_45_90,
IM_90
};
*/
class CRect
{
@ -58,6 +58,7 @@ public:
}
};
/*
class CArc
{
public:
@ -67,7 +68,7 @@ public:
int n_steps; // number of straight-line segments in gpc_poly
bool bFound;
};
*/
class CPolyPt : public wxPoint
{
@ -98,27 +99,41 @@ public:
};
#include <polygon_test_point_inside.h>
class CPolyLine
{
public:
enum m_SideStyle { STRAIGHT, ARC_CW, ARC_CCW }; // side styles
enum HATCH_STYLE { NO_HATCH, DIAGONAL_FULL, DIAGONAL_EDGE }; // hatch styles
// constructors/destructor
CPolyLine();
~CPolyLine();
// functions for modifying polyline
// functions for modifying the CPolyLine contours
/* initialize a contour
* set layer, hatch style, and starting point
*/
void Start( int layer, int x, int y, int hatch );
void AppendCorner( int x, int y, int style = STRAIGHT, bool bDraw = false );
void AppendCorner( int x, int y );
void InsertCorner( int ic, int x, int y );
void DeleteCorner( int ic, bool bDraw = false );
void DeleteCorner( int ic );
void MoveCorner( int ic, int x, int y );
void CloseLastContour();
void RemoveContour( int icont );
/**
* Function IsPolygonSelfIntersecting
* Test a CPolyLine for self-intersection of vertex (all contours).
*
* @return :
* false if no intersecting sides
* true if intersecting sides
* When a CPolyLine is self intersectic, it need to be normalized.
* (converted to non intersecting polygons)
*/
bool IsPolygonSelfIntersecting();
/**
* Function Chamfer
* returns a chamfered version of a polygon.
@ -180,7 +195,6 @@ public:
int GetUtility( int ic ) { return m_CornersList[ic].m_utility; };
void SetUtility( int ic, int utility ) { m_CornersList[ic].m_utility = utility; };
int GetSideStyle( int is );
int GetHatchPitch() { return m_hatchPitch; }
static int GetDefaultHatchPitchMils() { return 20; } // default hatch pitch value in mils
@ -197,7 +211,6 @@ public:
void SetX( int ic, int x );
void SetY( int ic, int y );
void SetEndContour( int ic, bool end_contour );
void SetSideStyle( int is, int style );
void SetHatchStyle( enum HATCH_STYLE style )
{
@ -206,10 +219,15 @@ public:
void SetHatchPitch( int pitch ) { m_hatchPitch = pitch; }
int RestoreArcs( std::vector<CArc>* arc_array, std::vector<CPolyLine*>* pa = NULL );
int NormalizeAreaOutlines( std::vector<CPolyLine*>* pa = NULL,
bool bRetainArcs = false );
/**
* Function NormalizeAreaOutlines
* Convert a self-intersecting polygon to one (or more) non self-intersecting polygon(s)
* @param aNewPolygonList = a std::vector<CPolyLine*> reference where to store new CPolyLine
* needed by the normalization
* @return the polygon count (always >= 1, becuse there is at lesat one polygon)
* There are new polygons only if the polygon count is > 1
*/
int NormalizeAreaOutlines( std::vector<CPolyLine*>* aNewPolygonList );
// KBOOL functions
@ -224,12 +242,9 @@ public:
/**
* Function MakeKboolPoly
* fill a kbool engine with a closed polyline contour
* approximates arcs with multiple straight-line segments
* combining intersecting contours if possible
* @param arc_array : return data on arcs in arc_array
* @return error: 0 if Ok, 1 if error
*/
int MakeKboolPoly( std::vector<CArc>* arc_array = NULL );
int MakeKboolPoly();
/**
* Function NormalizeWithKbool
@ -240,10 +255,10 @@ public:
* because copper areas have only one outside contour
* Therefore, if this results in new CPolyLines, return them as std::vector pa
* @param aExtraPolyList: pointer on a std::vector<CPolyLine*> to store extra CPolyLines
* @param bRetainArcs == false, try to retain arcs in polys
* @return number of external contours, or -1 if error
* (when after normalization, there is more than one polygon with holes)
* @return number of contours, or -1 if error
*/
int NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList, bool bRetainArcs );
int NormalizeWithKbool( std::vector<CPolyLine*>* aExtraPolyList );
// Bezier Support
void AppendBezier( int x1, int y1, int x2, int y2, int x3, int y3 );
@ -280,7 +295,6 @@ private:
Bool_Engine* m_Kbool_Poly_Engine; // polygons set in kbool engine data
public:
std::vector <CPolyPt> m_CornersList; // array of points for corners
std::vector <int> m_SideStyle; // array of styles for sides
std::vector <CSegment> m_HatchLines; // hatch lines showing the polygon area
};

1005
polygon/math_for_graphics.cpp
View File

File diff suppressed because it is too large Load Diff

40
polygon/math_for_graphics.h
View File

@ -1,9 +1,5 @@
// math stuff for graphics, from FreePCB
// math stuff for graphics
bool Quadratic( double a, double b, double c, double *x1, double *x2 );
/**
* Function TestLineHit
* test for hit on line segment i.e. a point within a given distance from segment
@ -14,13 +10,23 @@ bool Quadratic( double a, double b, double c, double *x1, double *x2 );
*/
bool TestLineHit( int xi, int yi, int xf, int yf, int x, int y, double dist );
int FindLineSegmentIntersection( double a, double b, int xi, int yi, int xf, int yf, int style,
/* Function FindLineSegmentIntersection
* find intersection between line y = a + bx and line segment (xi,yi) to (xf,yf)
* if b > DBL_MAX/10, assume vertical line at x = a
* return false if no intersection or true if intersect
* return coords of intersections in *x1, *y1, *x2, *y2
* if no intersection, returns min distance in dist
*/
bool FindLineSegmentIntersection( double a, double b, int xi, int yi, int xf, int yf,
double * x1, double * y1, double * x2, double * y2, double * dist=NULL );
int FindSegmentIntersections( int xi, int yi, int xf, int yf, int style,
int xi2, int yi2, int xf2, int yf2, int style2,
double x[]=NULL, double y[]=NULL );
bool FindLineEllipseIntersections( double a, double b, double c, double d, double *x1, double *x2 );
bool FindVerticalLineEllipseIntersections( double a, double b, double x, double *y1, double *y2 );
/* Function FindSegmentIntersections
* find intersections between line segment (xi,yi) to (xf,yf)
* and line segment (xi2,yi2) to (xf2,yf2)
* returns true if intersection found
*/
bool FindSegmentIntersections( int xi, int yi, int xf, int yf,
int xi2, int yi2, int xf2, int yf2 );
/**
* Function TestForIntersectionOfStraightLineSegments
@ -39,8 +45,13 @@ bool TestForIntersectionOfStraightLineSegments( int x1i, int y1i, int x1f, int y
int x2i, int y2i, int x2f, int y2f,
int * x=NULL, int * y=NULL, double * dist=NULL );
int GetClearanceBetweenSegments( int x1i, int y1i, int x1f, int y1f, int style1, int w1,
int x2i, int y2i, int x2f, int y2f, int style2, int w2,
/* Function GetClearanceBetweenSegments
* Get clearance between 2 segments
* Returns coordinates of the closest point between these 2 segments in x, y
* If clearance > max_cl, just returns max_cl+1 and doesn't return x,y
*/
int GetClearanceBetweenSegments( int x1i, int y1i, int x1f, int y1f, int w1,
int x2i, int y2i, int x2f, int y2f, int w2,
int max_cl, int * x, int * y );
/**
@ -52,6 +63,11 @@ int GetClearanceBetweenSegments( int x1i, int y1i, int x1f, int y1f, int style1,
*/
double GetPointToLineSegmentDistance( int x, int y, int xi, int yi, int xf, int yf );
/* Function GetPointToLineDistance
* Get min. distance from (x,y) to line y = a + bx
* if b > DBL_MAX/10, assume vertical line at x = a
* returns closest point on line in xpp, ypp
*/
double GetPointToLineDistance( double a, double b, int x, int y, double * xp=NULL, double * yp=NULL );
double Distance( double x1, double y1, double x2, double y2 );