/*********************************************************************/ /* EESchema - symbdraw.cpp */ /* Create, move .. graphic shapes used to build and draw a component */ /* (lines, arcs .. */ /*********************************************************************/ #include "fctsys.h" #include "gr_basic.h" #include "appl_wxstruct.h" #include "common.h" #include "class_drawpanel.h" #include "confirm.h" #include "eeschema_id.h" #include "program.h" #include "general.h" #include "trigo.h" #include "protos.h" #include "libeditfrm.h" #include "class_libentry.h" #include "dialog_lib_edit_draw_item.h" #include #define EraseItem( item ) item->Draw( Panel, DC, wxPoint( 0,\ 0 ), -1, g_XorMode, NULL,\ DefaultTransformMatrix ) static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase ); static void ComputeArc( LIB_ARC* DrawItem, wxPoint ArcCentre ); static void ComputeArcRadiusAngles( LIB_ARC* arc ); static wxPoint ComputeCircumCenter( wxPoint A, wxPoint B, wxPoint C ); static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel, wxDC* DC, bool erase ); static wxPoint InitPosition, StartCursor, ItemPreviousPos; typedef enum { START_POINT, END_POINT, OUTLINE } SelectedPoint; // Attributes of the arc in edit static struct { wxPoint startPoint, endPoint; //!< Start, end coordinates int stateDrawArc; //!< The actual drawing state double distanceCenter; //!< Distance from arc center to middle of start-/end-point SelectedPoint selectedPoint; //!< The selected point while modifying int direction; //!< Determines the side of the center point relative to start/end point } arcState; // Structure for saving attributes before modifying graphics objects static struct { wxPoint startPoint; wxPoint endPoint; wxPoint centerPoint; int radius; } savedAttributes; /* * Show the dialog box for editing a graphical item properties */ void WinEDA_LibeditFrame::EditGraphicSymbol( wxDC* DC, LIB_DRAW_ITEM* DrawItem ) { if( DrawItem == NULL ) return; LIB_COMPONENT* component = DrawItem->GetParent(); DIALOG_LIB_EDIT_DRAW_ITEM dialog( this, DrawItem->m_typeName ); dialog.SetWidthUnits( ReturnUnitSymbol( g_UnitMetric ) ); wxString val = ReturnStringFromValue( g_UnitMetric, m_drawLineWidth, m_InternalUnits ); dialog.SetWidth( val ); dialog.SetApplyToAllUnits( !m_drawSpecificUnit ); dialog.EnableApplyToAllUnits( component && component->GetPartCount() > 1 ); dialog.SetApplyToAllConversions( !m_drawSpecificConvert ); dialog.EnableApplyToAllConversions( component && component->HasConversion() ); dialog.SetFillStyle( m_drawFillStyle ); dialog.EnableFillStyle( DrawItem->IsFillable() ); if( dialog.ShowModal() == wxID_CANCEL ) return; val = dialog.GetWidth(); m_drawLineWidth = ReturnValueFromString( g_UnitMetric, val, m_InternalUnits ); m_drawSpecificConvert = !dialog.GetApplyToAllConversions(); m_drawSpecificUnit = !dialog.GetApplyToAllUnits(); if( DrawItem->IsFillable() ) m_drawFillStyle = (FILL_T) dialog.GetFillStyle(); // Save copy for undo is done before place. if( !( DrawItem->m_Flags & IS_NEW ) ) SaveCopyInUndoList( DrawItem->GetParent() ); if( m_drawSpecificUnit ) DrawItem->m_Unit = GetUnit(); else DrawItem->m_Unit = 0; if( m_drawSpecificConvert ) DrawItem->m_Convert = GetConvert(); else DrawItem->m_Convert = 0; if( DrawItem->IsFillable() ) DrawItem->m_Fill = m_drawFillStyle; DrawItem->SetWidth( m_drawLineWidth ); if( component ) component->GetDrawItemList().sort(); GetScreen()->SetModify(); DrawItem->DisplayInfo( this ); DrawPanel->Refresh(); } static void AbortSymbolTraceOn( WinEDA_DrawPanel* Panel, wxDC* DC ) { LIB_DRAW_ITEM* item; WinEDA_LibeditFrame* parent = (WinEDA_LibeditFrame*) Panel->GetParent(); item = parent->GetDrawItem(); if( item == NULL ) return; arcState.stateDrawArc = 0; Panel->ManageCurseur = NULL; Panel->ForceCloseManageCurseur = NULL; if( item->m_Flags & IS_NEW ) { if( DC ) { if( item->Type() == COMPONENT_ARC_DRAW_TYPE ) Panel->GetParent()->DrawPanel->Refresh(); else item->Draw( Panel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL, DefaultTransformMatrix ); } SAFE_DELETE( item ); parent->SetDrawItem( NULL ); } else { // Restore old attributes, when the item was modified if( item->m_Flags == IS_RESIZED ) { EraseItem( item ); switch( item->Type() ) { case COMPONENT_CIRCLE_DRAW_TYPE: ( (LIB_CIRCLE*) item )->m_Radius = savedAttributes.radius; break; case COMPONENT_RECT_DRAW_TYPE: ( (LIB_RECTANGLE*) item )->m_Pos = savedAttributes.startPoint; ( (LIB_RECTANGLE*) item )->m_End = savedAttributes.endPoint; break; case COMPONENT_POLYLINE_DRAW_TYPE: { wxPoint point = savedAttributes.startPoint; int index = ( (LIB_POLYLINE*) item )->m_ModifyIndex; ( ( (LIB_POLYLINE*) item )->m_PolyPoints )[index] = point; } break; case COMPONENT_ARC_DRAW_TYPE: ( (LIB_ARC*) item )->m_ArcStart = savedAttributes.startPoint; ( (LIB_ARC*) item )->m_ArcEnd = savedAttributes.endPoint; ( (LIB_ARC*) item )->m_Pos = savedAttributes.centerPoint; ComputeArcRadiusAngles( (LIB_ARC*) item ); break; default: break; } item->m_Flags = 0; } else { wxPoint curpos = Panel->GetScreen()->m_Curseur; Panel->GetScreen()->m_Curseur = StartCursor; RedrawWhileMovingCursor( Panel, DC, TRUE ); Panel->GetScreen()->m_Curseur = curpos; } item->Draw( Panel, DC, wxPoint( 0, 0 ), -1, GR_DEFAULT_DRAWMODE, NULL, DefaultTransformMatrix ); item->m_Flags = 0; } } LIB_DRAW_ITEM* WinEDA_LibeditFrame::CreateGraphicItem( LIB_COMPONENT* LibEntry, wxDC* DC ) { DrawPanel->ManageCurseur = SymbolDisplayDraw; DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn; switch( m_ID_current_state ) { case ID_LIBEDIT_BODY_ARC_BUTT: { LIB_ARC* Arc = new LIB_ARC( LibEntry ); m_drawItem = Arc; arcState.startPoint.x = arcState.endPoint.x = GetScreen()->m_Curseur.x; arcState.startPoint.y = arcState.endPoint.y = -( GetScreen()->m_Curseur.y ); arcState.stateDrawArc = 1; Arc->m_Fill = m_drawFillStyle; Arc->m_Width = m_drawLineWidth; } break; case ID_LIBEDIT_BODY_CIRCLE_BUTT: { LIB_CIRCLE* Circle = new LIB_CIRCLE( LibEntry ); m_drawItem = Circle; Circle->m_Pos = GetScreen()->m_Curseur; NEGATE( Circle->m_Pos.y ); Circle->m_Fill = m_drawFillStyle; Circle->m_Width = m_drawLineWidth; } break; case ID_LIBEDIT_BODY_RECT_BUTT: { LIB_RECTANGLE* Square = new LIB_RECTANGLE( LibEntry ); m_drawItem = Square; Square->m_Pos = GetScreen()->m_Curseur; NEGATE( Square->m_Pos.y ); Square->m_End = Square->m_Pos; Square->m_Fill = m_drawFillStyle; Square->m_Width = m_drawLineWidth; } break; case ID_LIBEDIT_BODY_LINE_BUTT: { LIB_POLYLINE* polyline = new LIB_POLYLINE( LibEntry ); m_drawItem = polyline; wxPoint point = GetScreen()->m_Curseur; NEGATE( point.y ); polyline->AddPoint( point ); // Start point of the current segment polyline->AddPoint( point ); // End point of the current segment polyline->m_Fill = m_drawFillStyle; polyline->m_Width = m_drawLineWidth; } break; case COMPONENT_LINE_DRAW_TYPE: { LIB_SEGMENT* Segment = new LIB_SEGMENT( LibEntry ); m_drawItem = Segment; Segment->m_Pos = GetScreen()->m_Curseur; NEGATE( Segment->m_Pos.y ); Segment->m_End = Segment->m_Pos; Segment->m_Width = m_drawLineWidth; } break; case ID_LIBEDIT_BODY_TEXT_BUTT: { LIB_TEXT* Text = new LIB_TEXT( LibEntry ); m_drawItem = Text; Text->m_Size.x = Text->m_Size.y = m_textSize; Text->m_Orient = m_textOrientation; Text->m_Pos = GetScreen()->m_Curseur; NEGATE( Text->m_Pos.y ); // Enter the graphic text info DrawPanel->m_IgnoreMouseEvents = true; EditSymbolText( NULL, Text ); DrawPanel->MouseToCursorSchema(); DrawPanel->m_IgnoreMouseEvents = false; if( Text->m_Text.IsEmpty() ) { SAFE_DELETE( Text ); m_drawItem = NULL; DrawPanel->ManageCurseur = NULL; DrawPanel->ForceCloseManageCurseur = NULL; } else { StartMoveDrawSymbol( DC ); Text->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL, DefaultTransformMatrix ); } } break; default: DisplayError( this, wxT( "WinEDA_LibeditFrame::CreateGraphicItem() \ error" ) ); return NULL; } if( m_drawItem ) { m_drawItem->m_Flags |= IS_NEW; if( m_drawSpecificUnit ) m_drawItem->m_Unit = m_unit; if( m_drawSpecificConvert ) m_drawItem->m_Convert = m_convert; } DrawPanel->MouseToCursorSchema(); DrawPanel->m_IgnoreMouseEvents = FALSE; return m_drawItem; } /* Create new library component graphic object. */ void WinEDA_LibeditFrame::GraphicItemBeginDraw( wxDC* DC ) { if( m_drawItem == NULL ) return; switch( m_drawItem->Type() ) { case COMPONENT_ARC_DRAW_TYPE: if( arcState.stateDrawArc == 1 ) { SymbolDisplayDraw( DrawPanel, DC, FALSE ); arcState.stateDrawArc = 2; SymbolDisplayDraw( DrawPanel, DC, FALSE ); break; } if( arcState.stateDrawArc > 1 ) { EndDrawGraphicItem( DC ); return; } break; case COMPONENT_CIRCLE_DRAW_TYPE: case COMPONENT_RECT_DRAW_TYPE: case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE: EndDrawGraphicItem( DC ); return; case COMPONENT_POLYLINE_DRAW_TYPE: { wxPoint pos = GetScreen()->m_Curseur; NEGATE( pos.y ); ( (LIB_POLYLINE*) m_drawItem )->AddPoint( pos ); } break; case COMPONENT_LINE_DRAW_TYPE: break; default: ; } } /* * Redraw the graphic shape while moving */ static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel, wxDC* DC, bool erase ) { LIB_DRAW_ITEM* item; item = ( (WinEDA_LibeditFrame*) panel->GetParent() )->GetDrawItem(); if( item == NULL ) return; BASE_SCREEN* Screen = panel->GetScreen(); wxPoint pos; /* Erase shape in the old position*/ if( erase ) { pos = ItemPreviousPos - StartCursor; item->Draw( panel, DC, pos, -1, g_XorMode, NULL, DefaultTransformMatrix ); } /* Redraw moved shape */ pos = Screen->m_Curseur - StartCursor; item->Draw( panel, DC, pos, -1, g_XorMode, NULL, DefaultTransformMatrix ); ItemPreviousPos = Screen->m_Curseur; } void WinEDA_LibeditFrame::StartMoveDrawSymbol( wxDC* DC ) { if( m_drawItem == NULL ) return; SetCursor( wxCURSOR_HAND ); m_drawItem->m_Flags |= IS_MOVED; StartCursor = GetScreen()->m_Curseur; InitPosition = m_drawItem->GetPosition(); ItemPreviousPos = GetScreen()->m_Curseur; DrawPanel->ManageCurseur = RedrawWhileMovingCursor; DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn; DrawPanel->ManageCurseur( DrawPanel, DC, TRUE ); } // @brief Modify a graphic symbol (drag edges etc.) void WinEDA_LibeditFrame::StartModifyDrawSymbol( wxDC* DC ) { if( m_drawItem == NULL ) return; // TODO Check if this is really required StartCursor = GetScreen()->m_Curseur; InitPosition = m_drawItem->GetPosition(); ItemPreviousPos = GetScreen()->m_Curseur; switch( m_drawItem->Type() ) { case COMPONENT_ARC_DRAW_TYPE: { wxPoint cursor = StartCursor; cursor.y = -cursor.y; // The arc center point has to be rotated with while adjusting the // start or end point, determine the side of this point and the distance // from the start / end point wxPoint startPoint = ( (LIB_ARC*) m_drawItem )->m_ArcStart; wxPoint endPoint = ( (LIB_ARC*) m_drawItem )->m_ArcEnd; wxPoint centerPoint = ( (LIB_ARC*) m_drawItem )->m_Pos; wxPoint middlePoint = wxPoint( (startPoint.x + endPoint.x) / 2, (startPoint.y + endPoint.y) / 2 ); wxPoint centerVector = centerPoint - middlePoint; wxPoint startEndVector = TwoPointVector( startPoint, endPoint ); arcState.distanceCenter = EuclideanNorm( centerVector ); // Determine on which side is the center point arcState.direction = CrossProduct( startEndVector, centerVector ) ? 1 : -1; arcState.startPoint = startPoint; arcState.endPoint = endPoint; // Save the old values savedAttributes.startPoint = startPoint; savedAttributes.endPoint = endPoint; savedAttributes.centerPoint = centerPoint; // Drag either the start, end point or the outline if( HitTestPoints( startPoint, cursor, MINIMUM_SELECTION_DISTANCE ) ) { arcState.selectedPoint = START_POINT; } else if( HitTestPoints( endPoint, cursor, MINIMUM_SELECTION_DISTANCE ) ) { arcState.selectedPoint = END_POINT; } else arcState.selectedPoint = OUTLINE; arcState.stateDrawArc = 0; m_drawItem->m_Flags |= IS_RESIZED; } break; case COMPONENT_RECT_DRAW_TYPE: { // Save old attributes savedAttributes.startPoint = ( (LIB_RECTANGLE*) m_drawItem )->m_Pos; savedAttributes.endPoint = ( (LIB_RECTANGLE*) m_drawItem )->m_End; // Resize rectangle m_drawItem->m_Flags |= IS_RESIZED; // If the cursor is not on the rectangle edge point, // lock the width or height wxPoint rectEnd = ( (LIB_RECTANGLE*) m_drawItem )->m_End; wxPoint rectStart = ( (LIB_RECTANGLE*) m_drawItem )->m_Pos; wxPoint cursor = StartCursor; cursor.y = -cursor.y; ( (LIB_RECTANGLE*) m_drawItem )->m_isStartPointSelected = abs( rectStart.x - cursor.x ) < MINIMUM_SELECTION_DISTANCE || abs( rectStart.y - cursor.y ) < MINIMUM_SELECTION_DISTANCE; if( ( (LIB_RECTANGLE*) m_drawItem )->m_isStartPointSelected ) { ( (LIB_RECTANGLE*) m_drawItem )->m_isWidthLocked = abs( rectStart.x - cursor.x ) >= MINIMUM_SELECTION_DISTANCE; ( (LIB_RECTANGLE*) m_drawItem )->m_isHeightLocked = abs( rectStart.y - cursor.y ) >= MINIMUM_SELECTION_DISTANCE; } else { ( (LIB_RECTANGLE*) m_drawItem )->m_isWidthLocked = abs( rectEnd.x - cursor.x ) >= MINIMUM_SELECTION_DISTANCE; ( (LIB_RECTANGLE*) m_drawItem )->m_isHeightLocked = abs( rectEnd.y - cursor.y ) >= MINIMUM_SELECTION_DISTANCE; } } break; case COMPONENT_CIRCLE_DRAW_TYPE: savedAttributes.radius = ( (LIB_CIRCLE*) m_drawItem )->m_Radius; m_drawItem->m_Flags |= IS_RESIZED; break; case COMPONENT_POLYLINE_DRAW_TYPE: { // Drag one edge point of the polyline m_drawItem->m_Flags |= IS_RESIZED; // Find the nearest edge point to be dragged wxPoint cursor = StartCursor; wxPoint startPoint = ( ( (LIB_POLYLINE*) m_drawItem )->m_PolyPoints )[0]; cursor.y = NEGATE( cursor.y ); // Begin with the first list point as nearest point int index = 0; ( (LIB_POLYLINE*) m_drawItem )->m_ModifyIndex = 0; savedAttributes.startPoint = startPoint; // First distance is the current minimum distance int distanceMin = (cursor - startPoint).x * (cursor - startPoint).x + (cursor - startPoint).y * (cursor - startPoint).y; // Find the right index of the point to be dragged BOOST_FOREACH( wxPoint point, ( ( (LIB_POLYLINE*) m_drawItem )->m_PolyPoints ) ) { int distancePoint = (cursor - point).x * (cursor - point).x + (cursor - point).y * (cursor - point).y; if( distancePoint < distanceMin ) { // Save point savedAttributes.startPoint = point; ( (LIB_POLYLINE*) m_drawItem )->m_ModifyIndex = index; distanceMin = distancePoint; } index++; } } break; default: break; } DrawPanel->ManageCurseur = SymbolDisplayDraw; DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn; DrawPanel->ManageCurseur( DrawPanel, DC, TRUE ); } //! @brief Manage mouse events when creating new graphic object or modifying an graphic object. static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase ) { int dx, dy; int DrawMode = g_XorMode; BASE_SCREEN* Screen = panel->GetScreen(); wxPoint currentCursorPosition = Screen->m_Curseur; FILL_T fillStyle = NO_FILL; LIB_DRAW_ITEM* item; item = ( (WinEDA_LibeditFrame*) panel->GetParent() )->GetDrawItem(); if( item == NULL ) return; fillStyle = ( (WinEDA_LibeditFrame*) panel->GetParent() )->GetFillStyle(); NEGATE( currentCursorPosition.y ); GRSetDrawMode( DC, DrawMode ); if( erase ) { if( arcState.stateDrawArc == 1 ) { int Color = ReturnLayerColor( LAYER_DEVICE ); GRLine( &panel->m_ClipBox, DC, arcState.startPoint.x, -arcState.startPoint.y, arcState.endPoint.x, -arcState.endPoint.y, 0, Color ); } else { item->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode, NULL, DefaultTransformMatrix ); if( item->Type() == COMPONENT_ARC_DRAW_TYPE && item->m_Flags != IS_RESIZED ) { int Color = ReturnLayerColor( LAYER_DEVICE ); GRDashedLine( &panel->m_ClipBox, DC, arcState.startPoint.x, -arcState.startPoint.y, ( (LIB_ARC*) item )->m_Pos.x, -( (LIB_ARC*) item )->m_Pos.y, 0, Color ); GRDashedLine( &panel->m_ClipBox, DC, arcState.endPoint.x, -arcState.endPoint.y, ( (LIB_ARC*) item )->m_Pos.x, -( (LIB_ARC*) item )->m_Pos.y, 0, Color ); } } } switch( item->Type() ) { case COMPONENT_ARC_DRAW_TYPE: if( item->m_Flags == IS_RESIZED ) { wxPoint newCenterPoint; // Choose the point of the arc to be adjusted if( arcState.selectedPoint == START_POINT ) { arcState.startPoint = currentCursorPosition; arcState.endPoint = ( (LIB_ARC*) item )->m_ArcEnd; } else if( arcState.selectedPoint == END_POINT ) { arcState.endPoint = currentCursorPosition; arcState.startPoint = ( (LIB_ARC*) item )->m_ArcStart; } else { // Use the cursor for adjusting the arc curvature arcState.startPoint = ( (LIB_ARC*) item )->m_ArcStart; arcState.endPoint = ( (LIB_ARC*) item )->m_ArcEnd; wxPoint middlePoint = wxPoint( (arcState.startPoint.x + arcState.endPoint.x) / 2, (arcState.startPoint.y + arcState.endPoint.y) / 2 ); // If the distance is too small, use the old center point // else the new center point is calculated over the three points start/end/cursor if( DistanceLinePoint( arcState.startPoint, arcState.endPoint, currentCursorPosition ) > MINIMUM_SELECTION_DISTANCE ) { newCenterPoint = ComputeCircumCenter( arcState.startPoint, currentCursorPosition, arcState.endPoint ); } else { newCenterPoint = ( (LIB_ARC*) item )->m_Pos; } // Determine if the arc angle is larger than 180 degrees -> this happens if both // points (cursor position, center point) lie on the same side of the vector start-end int crossA = CrossProduct( TwoPointVector( arcState.startPoint, arcState.endPoint ), TwoPointVector( arcState.endPoint, currentCursorPosition ) ); int crossB = CrossProduct( TwoPointVector( arcState.startPoint, arcState.endPoint ), TwoPointVector( arcState.endPoint, newCenterPoint ) ); bool isLarger180degrees = (crossA < 0 && crossB < 0) || (crossA >=0 && crossB >=0); if( isLarger180degrees ) newCenterPoint = ( (LIB_ARC*) item )->m_Pos; } if( arcState.selectedPoint == START_POINT || arcState.selectedPoint == END_POINT ) { // Compute the new center point when the start/end points are modified wxPoint middlePoint = wxPoint( (arcState.startPoint.x + arcState.endPoint.x) / 2, (arcState.startPoint.y + arcState.endPoint.y) / 2 ); wxPoint startEndVector = TwoPointVector( arcState.startPoint, arcState.endPoint ); wxPoint perpendicularVector = wxPoint( -startEndVector.y, startEndVector.x ); double lengthPerpendicularVector = EuclideanNorm( perpendicularVector ); // prevent too large values, division / 0 if( lengthPerpendicularVector < 1e-1 ) lengthPerpendicularVector = 1e-1; perpendicularVector.x = (int) ( (double) perpendicularVector.x * arcState.distanceCenter / lengthPerpendicularVector ) * arcState.direction; perpendicularVector.y = (int) ( (double) perpendicularVector.y * arcState.distanceCenter / lengthPerpendicularVector ) * arcState.direction; newCenterPoint = middlePoint + perpendicularVector; ( (LIB_ARC*) item )->m_ArcStart = arcState.startPoint; ( (LIB_ARC*) item )->m_ArcEnd = arcState.endPoint; } ( (LIB_ARC*) item )->m_Pos = newCenterPoint; ComputeArcRadiusAngles( (LIB_ARC*) item ); } else { if( arcState.stateDrawArc == 1 ) { arcState.endPoint.x = currentCursorPosition.x; arcState.endPoint.y = currentCursorPosition.y; } if( arcState.stateDrawArc == 2 ) { ComputeArc( (LIB_ARC*) item, Screen->m_Curseur ); } item->m_Fill = fillStyle; } break; case COMPONENT_CIRCLE_DRAW_TYPE: dx = ( (LIB_CIRCLE*) item )->m_Pos.x - currentCursorPosition.x; dy = ( (LIB_CIRCLE*) item )->m_Pos.y - currentCursorPosition.y; ( (LIB_CIRCLE*) item )->m_Radius = (int) sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) ); item->m_Fill = fillStyle; break; case COMPONENT_RECT_DRAW_TYPE: if( ( (LIB_RECTANGLE*) item )->m_isHeightLocked ) { if( ( (LIB_RECTANGLE*) item )->m_isStartPointSelected ) { ( (LIB_RECTANGLE*) item )->m_Pos.x = currentCursorPosition.x; } else { ( (LIB_RECTANGLE*) item )->m_End.x = currentCursorPosition.x; } } else if( ( (LIB_RECTANGLE*) item )->m_isWidthLocked ) { if( ( (LIB_RECTANGLE*) item )->m_isStartPointSelected ) { ( (LIB_RECTANGLE*) item )->m_Pos.y = currentCursorPosition.y; } else { ( (LIB_RECTANGLE*) item )->m_End.y = currentCursorPosition.y; } } else { if( ( (LIB_RECTANGLE*) item )->m_isStartPointSelected ) { ( (LIB_RECTANGLE*) item )->m_Pos = currentCursorPosition; } else { ( (LIB_RECTANGLE*) item )->m_End = currentCursorPosition; } } item->m_Fill = fillStyle; break; case COMPONENT_POLYLINE_DRAW_TYPE: { unsigned idx; if( item->m_Flags == IS_RESIZED ) idx = ( (LIB_POLYLINE*) item )->m_ModifyIndex; else idx = ( (LIB_POLYLINE*) item )->GetCornerCount() - 1; ( (LIB_POLYLINE*) item )->m_PolyPoints[idx] = currentCursorPosition; item->m_Fill = fillStyle; } break; case COMPONENT_LINE_DRAW_TYPE: ( (LIB_SEGMENT*) item )->m_End = currentCursorPosition; break; case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE: break; default: ; } if( arcState.stateDrawArc == 1 ) { int Color = ReturnLayerColor( LAYER_DEVICE ); GRLine( &panel->m_ClipBox, DC, arcState.startPoint.x, -arcState.startPoint.y, arcState.endPoint.x, -arcState.endPoint.y, 0, Color ); } else { item->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode, NULL, DefaultTransformMatrix ); if( item->Type() == COMPONENT_ARC_DRAW_TYPE && item->m_Flags != IS_RESIZED ) { int Color = ReturnLayerColor( LAYER_DEVICE ); GRDashedLine( &panel->m_ClipBox, DC, arcState.startPoint.x, -arcState.startPoint.y, ( (LIB_ARC*) item )->m_Pos.x, -( (LIB_ARC*) item )->m_Pos.y, 0, Color ); GRDashedLine( &panel->m_ClipBox, DC, arcState.endPoint.x, -arcState.endPoint.y, ( (LIB_ARC*) item )->m_Pos.x, -( (LIB_ARC*) item )->m_Pos.y, 0, Color ); } } } /* * Place the new graphic object in the list of component drawing objects. */ void WinEDA_LibeditFrame::EndDrawGraphicItem( wxDC* DC ) { if( m_component == NULL || m_drawItem == NULL ) return; if( m_drawItem->Type() == COMPONENT_ARC_DRAW_TYPE ) { if( arcState.stateDrawArc == 1 ) /* Trace arc under way must be completed. */ { DisplayError( this, wxT( "Arc in progress.." ) ); return; } else { if( ( m_drawItem->m_Flags & IS_MOVED ) == 0 ) SymbolDisplayDraw( DrawPanel, DC, FALSE ); } } arcState.stateDrawArc = 0; if( m_drawItem->m_Flags & IS_NEW ) { SaveCopyInUndoList( m_component ); m_component->AddDrawItem( m_drawItem ); switch( m_drawItem->Type() ) { case COMPONENT_ARC_DRAW_TYPE: ( (LIB_ARC*) m_drawItem )->m_Fill = m_drawFillStyle; break; case COMPONENT_CIRCLE_DRAW_TYPE: ( (LIB_CIRCLE*) m_drawItem )->m_Fill = m_drawFillStyle; break; case COMPONENT_RECT_DRAW_TYPE: ( (LIB_RECTANGLE*) m_drawItem )->m_Fill = m_drawFillStyle; ( (LIB_RECTANGLE*) m_drawItem )->m_isHeightLocked = false; ( (LIB_RECTANGLE*) m_drawItem )->m_isWidthLocked = false; break; case COMPONENT_POLYLINE_DRAW_TYPE: ( (LIB_POLYLINE*) m_drawItem )->m_Fill = m_drawFillStyle; break; case COMPONENT_PIN_DRAW_TYPE: case COMPONENT_LINE_DRAW_TYPE: case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE: break; default: ; } } if( m_ID_current_state ) SetCursor( wxCURSOR_PENCIL ); else SetCursor( wxCURSOR_ARROW ); if( m_drawItem->m_Flags & IS_MOVED ) { wxPoint pos; pos.x = GetScreen()->m_Curseur.x + InitPosition.x - StartCursor.x, pos.y = GetScreen()->m_Curseur.y - InitPosition.y - StartCursor.y; NEGATE( pos.y ); m_drawItem->Move( pos ); } m_component->Draw( DrawPanel, DC, wxPoint( 0, 0 ), m_unit, m_convert, GR_DEFAULT_DRAWMODE ); m_drawItem->m_Flags = 0; m_drawItem = NULL; GetScreen()->SetModify(); DrawPanel->ManageCurseur = NULL; DrawPanel->ForceCloseManageCurseur = NULL; } //! @brief Compute the missing attributes (angles, radius), // when the three points (start, end, center) given //! @param arc Arc to be modified static void ComputeArcRadiusAngles( LIB_ARC* arc ) { wxPoint centerStartVector = TwoPointVector( arc->m_Pos, arc->m_ArcStart ); wxPoint centerEndVector = TwoPointVector( arc->m_Pos, arc->m_ArcEnd ); arc->m_Radius = EuclideanNorm( centerStartVector ); arc->m_t1 = (int) ( atan2( (double) centerStartVector.y, (double) centerStartVector.x ) * 1800 / M_PI ); arc->m_t2 = (int) ( atan2( (double) centerEndVector.y, (double) centerEndVector.x ) * 1800 / M_PI ); NORMALIZE_ANGLE( arc->m_t1 ); NORMALIZE_ANGLE( arc->m_t2 ); // angles = 0 .. 3600 // Restrict angle to less than 180 to avoid PBS display mirror // Trace because it is assumed that the arc is less than 180 deg to find // orientation after rotate or mirror. if( (arc->m_t2 - arc->m_t1) > 1800 ) arc->m_t2 -= 3600; else if( (arc->m_t2 - arc->m_t1) <= -1800 ) arc->m_t2 += 3600; wxString msg; int angle = arc->m_t2 - arc->m_t1; msg.Printf( _( "Arc %.1f deg" ), (float) angle / 10 ); WinEDA_SchematicFrame* frame = (WinEDA_SchematicFrame*) wxGetApp().GetTopWindow(); frame->m_LibeditFrame->PrintMsg( msg ); while( (arc->m_t2 - arc->m_t1) >= 1800 ) { arc->m_t2--; arc->m_t1++; } while( (arc->m_t1 - arc->m_t2) >= 1800 ) { arc->m_t2++; arc->m_t1--; } NORMALIZE_ANGLE( arc->m_t1 ); } /* * Routine for adjusting the parameters of the arc currently being drawn. * Calculates the center, radius, angles for the arc current * Passes through the points arcState.startPoint.x, arcState.endPoint.x Y and Y with the nearest center * of the mouse position. * Note: The center is obviously not on the grid */ static void ComputeArc( LIB_ARC* DrawItem, wxPoint ArcCentre ) { int dx, dy; int cX, cY; int angle; cX = ArcCentre.x; cY = ArcCentre.y; cY = -cY; /* Attention to the orientation of the axis Y. */ /* Calculating cX and cY for the arc passes through arcState.startPoint.x, arcState.endPoint.x, * X and Y */ dx = arcState.endPoint.x - arcState.startPoint.x; dy = arcState.endPoint.y - arcState.startPoint.y; cX -= arcState.startPoint.x; cY -= arcState.startPoint.y; angle = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI ); RotatePoint( &dx, &dy, angle ); /* The segment dx, dy is horizontal * -> Length = dx, dy = 0 */ RotatePoint( &cX, &cY, angle ); cX = dx / 2; /* cX, cY is on the median segment 0.0 a dx, 0 */ RotatePoint( &cX, &cY, -angle ); cX += arcState.startPoint.x; cY += arcState.startPoint.y; DrawItem->m_Pos.x = cX; DrawItem->m_Pos.y = cY; dx = arcState.startPoint.x - DrawItem->m_Pos.x; dy = arcState.startPoint.y - DrawItem->m_Pos.y; DrawItem->m_Radius = (int) sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) ); DrawItem->m_t1 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI ); dx = arcState.endPoint.x - DrawItem->m_Pos.x; dy = arcState.endPoint.y - DrawItem->m_Pos.y; DrawItem->m_t2 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI ); DrawItem->m_ArcStart.x = arcState.startPoint.x; DrawItem->m_ArcStart.y = arcState.startPoint.y; DrawItem->m_ArcEnd.x = arcState.endPoint.x; DrawItem->m_ArcEnd.y = arcState.endPoint.y; NORMALIZE_ANGLE( DrawItem->m_t1 ); NORMALIZE_ANGLE( DrawItem->m_t2 ); // angles = 0 .. 3600 // Restrict angle to less than 180 to avoid PBS display mirror // Trace because it is assumed that the arc is less than 180 deg to find // orientation after rotate or mirror. if( (DrawItem->m_t2 - DrawItem->m_t1) > 1800 ) DrawItem->m_t2 -= 3600; else if( (DrawItem->m_t2 - DrawItem->m_t1) <= -1800 ) DrawItem->m_t2 += 3600; wxString msg; angle = DrawItem->m_t2 - DrawItem->m_t1; msg.Printf( _( "Arc %.1f deg" ), (float) angle / 10 ); WinEDA_SchematicFrame* frame = (WinEDA_SchematicFrame*) wxGetApp().GetTopWindow(); frame->m_LibeditFrame->PrintMsg( msg ); while( (DrawItem->m_t2 - DrawItem->m_t1) >= 1800 ) { DrawItem->m_t2--; DrawItem->m_t1++; } while( (DrawItem->m_t1 - DrawItem->m_t2) >= 1800 ) { DrawItem->m_t2++; DrawItem->m_t1--; } NORMALIZE_ANGLE( DrawItem->m_t1 ); NORMALIZE_ANGLE( DrawItem->m_t2 ); } //! @brief Given three points A B C, compute the circumcenter of the resulting triangle //! reference: http://en.wikipedia.org/wiki/Circumscribed_circle //! Coordinates of circumcenter in Cartesian coordinates static wxPoint ComputeCircumCenter( wxPoint A, wxPoint B, wxPoint C ) { double circumCenterX, circumCenterY; double Ax = (double) A.x; double Ay = (double) A.y; double Bx = (double) B.x; double By = (double) B.y; double Cx = (double) C.x; double Cy = (double) C.y; wxPoint circumCenter; double D = 2.0 * ( Ax * ( By - Cy ) + Bx * ( Cy - Ay ) + Cx * ( Ay - By ) ); // prevent division / 0 if( fabs( D ) < 1e-7 ) D = 1e-7; circumCenterX = ( (Ay * Ay + Ax * Ax) * (By - Cy) + (By * By + Bx * Bx) * (Cy - Ay) + (Cy * Cy + Cx * Cx) * (Ay - By) ) / D; circumCenterY = ( (Ay * Ay + Ax * Ax) * (Cx - Bx) + (By * By + Bx * Bx) * (Ax - Cx) + (Cy * Cy + Cx * Cx) * (Bx - Ax) ) / D; circumCenter.x = (int) circumCenterX; circumCenter.y = (int) circumCenterY; return circumCenter; } /* * Used for deleting last entered segment while creating a Polyline */ void WinEDA_LibeditFrame::DeleteDrawPoly( wxDC* DC ) { if( m_drawItem == NULL || m_drawItem->Type() != COMPONENT_POLYLINE_DRAW_TYPE ) return; LIB_POLYLINE* Poly = (LIB_POLYLINE*) m_drawItem; m_drawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL, DefaultTransformMatrix ); // First segment is kept, only its end point is changed while( Poly->GetCornerCount() > 2 ) { Poly->m_PolyPoints.pop_back(); unsigned idx = Poly->GetCornerCount() - 1; wxPoint point = GetScreen()->m_Curseur; NEGATE( point.y ); if( Poly->m_PolyPoints[idx] != point ) { Poly->m_PolyPoints[idx] = point; break; } } m_drawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL, DefaultTransformMatrix ); }