/* Function to move components in a rectangular area format 4 / 3,
* starting from the mouse cursor
* The components with the FIXED status set are not moved
*/
void PCB_EDIT_FRAME::SpreadFootprints( bool aFootprintsOutsideBoardOnly )
{
EDA_RECT bbox = GetBoard()->ComputeBoundingBox( true );
bool edgesExist = ( bbox.GetWidth() || bbox.GetHeight() );
// no edges exist
if( aFootprintsOutsideBoardOnly && !edgesExist )
{
DisplayError( this,
_( "Could not automatically place footprints. No board outlines detected." ) );
return;
}
// if aFootprintsOutsideBoardOnly is true, and if board outline exists,
// wue have to filter footprints to move:
bool outsideBrdFilter = aFootprintsOutsideBoardOnly && edgesExist;
// Build candidate list
// calculate also the area needed by these footprints
MODULE* module = GetBoard()->m_Modules;
std::vector <MODULE*> moduleList;
for( ; module != NULL; module = module->Next() )
{
module->CalculateBoundingBox();
if( outsideBrdFilter )
{
if( bbox.Contains( module->GetPosition() ) )
continue;
}
if( module->IsLocked() )
continue;
moduleList.push_back(module);
}
if( moduleList.size() == 0 ) // Nothing to do
return;
// sort footprints by sheet path. we group them later by sheet
sort( moduleList.begin(), moduleList.end(), sortModulesbySheetPath );
// Undo command: init undo list
PICKED_ITEMS_LIST undoList;
undoList.m_Status = UR_CHANGED;
ITEM_PICKER picker( NULL, UR_CHANGED );
for( unsigned ii = 0; ii < moduleList.size(); ii++ )
{
module = moduleList[ii];
// Undo: add copy of module to undo list
picker.SetItem( module );
picker.SetLink( module->Clone() );
undoList.PushItem( picker );
}
// Extract and place footprints by sheet
std::vector <MODULE*> moduleListBySheet;
std::vector <EDA_RECT> placementSheetAreas;
double subsurface;
double placementsurface = 0.0;
wxPoint placementAreaPosition = GetCrossHairPosition();
// We do not want to move footprints inside an existing board.
// move the placement area position outside the board bounding box
// to the left of the board
if( edgesExist )
{
if( placementAreaPosition.x < bbox.GetEnd().x &&
placementAreaPosition.y < bbox.GetEnd().y )
{
placementAreaPosition.x = bbox.GetEnd().x;
placementAreaPosition.y = bbox.GetOrigin().y;
}
}
// The placement uses 2 passes:
// the first pass creates the rectangular areas to place footprints
// each sheet in schematic creates one rectangular area.
// the second pass moves footprints inside these areas
for( int pass = 0; pass < 2; pass++ )
{
int subareaIdx = 0;
moduleListBySheet.clear();
subsurface = 0.0;
for( unsigned ii = 0; ii < moduleList.size(); ii++ )
{
module = moduleList[ii];
bool islastItem = false;
if( ii == moduleList.size() - 1 ||
( moduleList[ii]->GetPath().BeforeLast( '/' ) !=
moduleList[ii+1]->GetPath().BeforeLast( '/' ) ) )
islastItem = true;
moduleListBySheet.push_back( module );
subsurface += module->GetArea();
if( islastItem )
{
// end of the footprint sublist relative to the same sheet path
// calculate placement of the current sublist
EDA_RECT freeArea;
int Xsize_allowed = (int) ( sqrt( subsurface ) * 4.0 / 3.0 );
int Ysize_allowed = (int) ( subsurface / Xsize_allowed );
freeArea.SetWidth( Xsize_allowed );
freeArea.SetHeight( Ysize_allowed );
CRectPlacement placementArea;
if( pass == 1 )
{
wxPoint areapos = placementSheetAreas[subareaIdx].GetOrigin()
+ placementAreaPosition;
freeArea.SetOrigin( areapos );
}
bool findAreaOnly = pass == 0;
moveFootprintsInArea( placementArea, moduleListBySheet,
freeArea, findAreaOnly );
if( pass == 0 )
{
// Populate sheet placement areas list
EDA_RECT sub_area;
sub_area.SetWidth( placementArea.GetW()*scale );
sub_area.SetHeight( placementArea.GetH()*scale );
// Add a margin around the sheet placement area:
sub_area.Inflate( Millimeter2iu( 1.5 ) );
placementSheetAreas.push_back( sub_area );
placementsurface += (double) sub_area.GetWidth()*
sub_area.GetHeight();
}
// Prepare buffers for next sheet
subsurface = 0.0;
moduleListBySheet.clear();
subareaIdx++;
}
}
// End of pass:
// At the end of the first pass, we have to find position of each sheet
// placement area
if( pass == 0 )
{
int Xsize_allowed = (int) ( sqrt( placementsurface ) * 4.0 / 3.0 );
int Ysize_allowed = (int) ( placementsurface / Xsize_allowed );
CRectPlacement placementArea;
CSubRectArray vecSubRects;
fillRectList( vecSubRects, placementSheetAreas );
spreadRectangles( placementArea, vecSubRects, Xsize_allowed, Ysize_allowed );
for( unsigned it = 0; it < vecSubRects.size(); ++it )
{
TSubRect& srect = vecSubRects[it];
wxPoint pos( srect.x*scale, srect.y*scale );
wxSize size( srect.w*scale, srect.h*scale );
placementSheetAreas[srect.n].SetOrigin( pos );
placementSheetAreas[srect.n].SetSize( size );
}
}
} // End pass
// Undo: commit list
SaveCopyInUndoList( undoList, UR_CHANGED );
OnModify();
m_canvas->Refresh();
}
