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kicad/eeschema/symbdraw.cpp

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/*********************************************************************/
/* 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 "program.h"
#include "libcmp.h"
#include "general.h"
#include "trigo.h"
#include "protos.h"
#include "id.h"
/* Routines locales */
static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase );
static void ComputeArc( LibDrawArc* DrawItem, wxPoint ArcCentre );
static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel,
wxDC* DC,
bool erase );
static void MoveLibDrawItemAt( LibEDA_BaseStruct* DrawItem, wxPoint newpos );
/* Variables locales */
static int StateDrawArc, ArcStartX, ArcStartY, ArcEndX, ArcEndY;
static wxPoint InitPosition, StartCursor, ItemPreviousPos;
static FILL_T FlSymbol_Fill = NO_FILL;
/************************************/
/* class WinEDA_PartPropertiesFrame */
/************************************/
#include "dialog_cmp_graphic_properties.cpp"
/************************************************************/
void WinEDA_bodygraphics_PropertiesFrame::bodygraphics_PropertiesAccept( wxCommandEvent& event )
/************************************************************/
/* Update the current draw item
*/
{
g_FlDrawSpecificConvert = m_CommonConvert->GetValue() ? FALSE : TRUE;
g_FlDrawSpecificUnit = m_CommonUnit->GetValue() ? FALSE : TRUE;
if( m_Filled )
FlSymbol_Fill = (FILL_T) m_Filled->GetSelection();
g_LibSymbolDefaultLineWidth = m_GraphicShapeWidthCtrl->GetValue();
if( CurrentDrawItem )
{
if( !(CurrentDrawItem->m_Flags & IS_NEW) ) // if IS_NEW, copy for undo is done before place
m_Parent->SaveCopyInUndoList( CurrentLibEntry );
wxClientDC dc( m_Parent->DrawPanel );
m_Parent->DrawPanel->PrepareGraphicContext( &dc );
CurrentDrawItem->Draw( m_Parent->DrawPanel, &dc, wxPoint( 0, 0 ), -1,
g_XorMode, NULL, DefaultTransformMatrix );
if( g_FlDrawSpecificUnit )
CurrentDrawItem->m_Unit = CurrentUnit;
else
CurrentDrawItem->m_Unit = 0;
if( g_FlDrawSpecificConvert )
CurrentDrawItem->m_Convert = CurrentConvert;
else
CurrentDrawItem->m_Convert = 0;
if( m_Filled )
{
switch( CurrentDrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
( (LibDrawArc*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
( (LibDrawArc*) CurrentDrawItem )->m_Width =
m_GraphicShapeWidthCtrl->GetValue();
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
( (LibDrawCircle*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
( (LibDrawCircle*) CurrentDrawItem )->m_Width =
m_GraphicShapeWidthCtrl->GetValue();
break;
case COMPONENT_RECT_DRAW_TYPE:
( (LibDrawSquare*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
( (LibDrawSquare*) CurrentDrawItem )->m_Width =
m_GraphicShapeWidthCtrl->GetValue();
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
( (LibDrawPolyline*) CurrentDrawItem )->m_Fill =
FlSymbol_Fill;
( (LibDrawPolyline*) CurrentDrawItem )->m_Width =
m_GraphicShapeWidthCtrl->
GetValue();
break;
default:
break;
}
}
CurrentLibEntry->SortDrawItems();
m_Parent->GetScreen()->SetModify();
CurrentDrawItem->Draw( m_Parent->DrawPanel, &dc, wxPoint( 0, 0 ),
-1, g_XorMode, NULL, DefaultTransformMatrix );
}
Close();
if( CurrentDrawItem )
CurrentDrawItem->DisplayInfo( m_Parent );
m_Parent->DrawPanel->Refresh();
}
/**********************************************************/
void WinEDA_LibeditFrame::EditGraphicSymbol( wxDC* DC,
LibEDA_BaseStruct* DrawItem )
/**********************************************************/
/* Install the dialog box for editing a graphical item properties
*/
{
if( DrawItem == NULL )
return;
WinEDA_bodygraphics_PropertiesFrame* frame =
new WinEDA_bodygraphics_PropertiesFrame( this );
frame->ShowModal(); frame->Destroy();
}
/****************************************************************/
static void AbortSymbolTraceOn( WinEDA_DrawPanel* Panel, wxDC* DC )
/****************************************************************/
{
StateDrawArc = 0;
Panel->ManageCurseur = NULL;
Panel->ForceCloseManageCurseur = NULL;
if( CurrentDrawItem == NULL )
return;
if( CurrentDrawItem->m_Flags & IS_NEW )
{
if( CurrentDrawItem->Type() == COMPONENT_ARC_DRAW_TYPE )
{
Panel->m_Parent->RedrawActiveWindow( DC, TRUE );
}
else
{
CurrentDrawItem->Draw( Panel, DC, wxPoint( 0, 0 ), -1, g_XorMode,
NULL, DefaultTransformMatrix );
}
SAFE_DELETE( CurrentDrawItem );
}
else
{
wxPoint curpos;
curpos = Panel->GetScreen()->m_Curseur;
Panel->GetScreen()->m_Curseur = StartCursor;
RedrawWhileMovingCursor( Panel, DC, TRUE );
Panel->GetScreen()->m_Curseur = curpos;
CurrentDrawItem->Draw( Panel, DC, wxPoint( 0, 0 ), -1,
GR_DEFAULT_DRAWMODE, NULL,
DefaultTransformMatrix );
CurrentDrawItem->m_Flags = 0;
}
}
/*******************************************************************************************/
LibEDA_BaseStruct* WinEDA_LibeditFrame::CreateGraphicItem( EDA_LibComponentStruct* LibEntry,
wxDC* DC )
/*******************************************************************************************/
/* Routine de creation d'un nouvel element type LibraryDrawStruct
*/
{
int DrawType;
DrawPanel->m_IgnoreMouseEvents = TRUE;
// Creation du nouvel element
switch( m_ID_current_state )
{
case ID_LIBEDIT_BODY_LINE_BUTT:
DrawType = COMPONENT_POLYLINE_DRAW_TYPE;
break;
case ID_LIBEDIT_BODY_ARC_BUTT:
DrawType = COMPONENT_ARC_DRAW_TYPE;
break;
case ID_LIBEDIT_BODY_CIRCLE_BUTT:
DrawType = COMPONENT_CIRCLE_DRAW_TYPE;
break;
case ID_LIBEDIT_BODY_RECT_BUTT:
DrawType = COMPONENT_RECT_DRAW_TYPE;
break;
case ID_LIBEDIT_BODY_TEXT_BUTT:
DrawType = COMPONENT_GRAPHIC_TEXT_DRAW_TYPE;
break;
default:
DisplayError( this, wxT( "WinEDA_LibeditFrame::CreateGraphicItem() error" ) );
return NULL;
}
DrawPanel->ManageCurseur = SymbolDisplayDraw;
DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn;
switch( DrawType )
{
case COMPONENT_ARC_DRAW_TYPE:
{
LibDrawArc* Arc = new LibDrawArc( LibEntry );
CurrentDrawItem = Arc;
ArcStartX = ArcEndX = GetScreen()->m_Curseur.x;
ArcStartY = ArcEndY = -( GetScreen()->m_Curseur.y );
StateDrawArc = 1;
Arc->m_Fill = FlSymbol_Fill;
Arc->m_Width = g_LibSymbolDefaultLineWidth;
}
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
{
LibDrawCircle* Circle = new LibDrawCircle( LibEntry );
CurrentDrawItem = Circle;
Circle->m_Pos = GetScreen()->m_Curseur;
NEGATE( Circle->m_Pos.y );
Circle->m_Fill = FlSymbol_Fill;
Circle->m_Width = g_LibSymbolDefaultLineWidth;
}
break;
case COMPONENT_RECT_DRAW_TYPE:
{
LibDrawSquare* Square = new LibDrawSquare( LibEntry );
CurrentDrawItem = Square;
Square->m_Pos = GetScreen()->m_Curseur;
NEGATE( Square->m_Pos.y );
Square->m_End = Square->m_Pos;
Square->m_Fill = FlSymbol_Fill;
Square->m_Width = g_LibSymbolDefaultLineWidth;
}
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
LibDrawPolyline* polyline = new LibDrawPolyline( LibEntry );
CurrentDrawItem = 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 = FlSymbol_Fill;
polyline->m_Width = g_LibSymbolDefaultLineWidth;
}
break;
case COMPONENT_LINE_DRAW_TYPE:
{
LibDrawSegment* Segment = new LibDrawSegment( LibEntry );
CurrentDrawItem = Segment;
Segment->m_Pos = GetScreen()->m_Curseur;
NEGATE( Segment->m_Pos.y );
Segment->m_End = Segment->m_Pos;
Segment->m_Width = g_LibSymbolDefaultLineWidth;
}
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
{
LibDrawText* Text = new LibDrawText( LibEntry );
CurrentDrawItem = Text;
Text->m_Size.x = Text->m_Size.y = g_LastTextSize;
Text->m_Orient = g_LastTextOrient;
Text->m_Pos = GetScreen()->m_Curseur;
NEGATE( Text->m_Pos.y );
EditSymbolText( NULL, Text );
if( Text->m_Text.IsEmpty() )
{
SAFE_DELETE( Text );
CurrentDrawItem = NULL;
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
}
else
{
StartMoveDrawSymbol( DC );
Text->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode, NULL,
DefaultTransformMatrix );
}
}
break;
}
if( CurrentDrawItem )
{
CurrentDrawItem->m_Flags |= IS_NEW;
if( g_FlDrawSpecificUnit )
CurrentDrawItem->m_Unit = CurrentUnit;
if( g_FlDrawSpecificConvert )
CurrentDrawItem->m_Convert = CurrentConvert;
}
DrawPanel->MouseToCursorSchema();
DrawPanel->m_IgnoreMouseEvents = FALSE;
return CurrentDrawItem;
}
/********************************************************/
void WinEDA_LibeditFrame::GraphicItemBeginDraw( wxDC* DC )
/********************************************************/
/* Routine de creation d'un nouvel element type LibraryDrawStruct
*/
{
if( CurrentDrawItem == NULL )
return;
switch( CurrentDrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
if( StateDrawArc == 1 )
{
SymbolDisplayDraw( DrawPanel, DC, FALSE );
StateDrawArc = 2;
SymbolDisplayDraw( DrawPanel, DC, FALSE );
break;
}
if( 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 );
( (LibDrawPolyline*) CurrentDrawItem )->AddPoint( pos );
}
break;
case COMPONENT_LINE_DRAW_TYPE:
break;
default:
;
}
}
/**************************************************************************/
static void RedrawWhileMovingCursor( WinEDA_DrawPanel* panel,
wxDC* DC,
bool erase )
/**************************************************************************/
/* Redraw the graphoc shape while moving
*/
{
BASE_SCREEN* Screen = panel->GetScreen();
wxPoint pos;
/* Erase shape in the old positon*/
if( erase )
{
pos = ItemPreviousPos - StartCursor;
CurrentDrawItem->Draw( panel, DC, pos, -1, g_XorMode, NULL,
DefaultTransformMatrix );
}
/* Redraw moved shape */
pos = Screen->m_Curseur - StartCursor;
CurrentDrawItem->Draw( panel, DC, pos, -1, g_XorMode, NULL,
DefaultTransformMatrix );
ItemPreviousPos = Screen->m_Curseur;
}
/*****************************************************************/
void MoveLibDrawItemAt( LibEDA_BaseStruct* DrawItem, wxPoint newpos )
/*****************************************************************/
{
NEGATE( newpos.y );
wxPoint size;
switch( DrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
{
wxPoint offset = newpos - ( (LibDrawArc*) CurrentDrawItem )->m_Pos;
( (LibDrawArc*) CurrentDrawItem )->m_Pos = newpos;
( (LibDrawArc*) CurrentDrawItem )->m_ArcStart += offset;
( (LibDrawArc*) CurrentDrawItem )->m_ArcEnd += offset;
break;
}
case COMPONENT_CIRCLE_DRAW_TYPE:
( (LibDrawCircle*) CurrentDrawItem )->m_Pos = newpos;
break;
case COMPONENT_RECT_DRAW_TYPE:
size = ( (LibDrawSquare*) CurrentDrawItem )->m_End -
( (LibDrawSquare*) CurrentDrawItem )->m_Pos;
( (LibDrawSquare*) CurrentDrawItem )->m_Pos = newpos;
( (LibDrawSquare*) CurrentDrawItem )->m_End = newpos + size;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
int ii, imax = ( (LibDrawPolyline*) CurrentDrawItem )->GetCornerCount();
wxPoint offset = newpos - ( (LibDrawPolyline*) CurrentDrawItem )->m_PolyPoints[0];
for( ii = 0; ii < imax; ii++ )
( (LibDrawPolyline*) CurrentDrawItem )->m_PolyPoints[ii] += offset;
}
break;
case COMPONENT_LINE_DRAW_TYPE:
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
( (LibDrawText*) CurrentDrawItem )->m_Pos = newpos;
break;
default:
;
}
}
/************************************************************/
void WinEDA_LibeditFrame::StartMoveDrawSymbol( wxDC* DC )
/************************************************************/
{
if( CurrentDrawItem == NULL )
return;
SetCursor( wxCURSOR_HAND );
CurrentDrawItem->m_Flags |= IS_MOVED;
StartCursor = GetScreen()->m_Curseur;
switch( CurrentDrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
InitPosition = ( (LibDrawArc*) CurrentDrawItem )->m_Pos;
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
InitPosition = ( (LibDrawCircle*) CurrentDrawItem )->m_Pos;
break;
case COMPONENT_RECT_DRAW_TYPE:
InitPosition = ( (LibDrawSquare*) CurrentDrawItem )->m_Pos;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
InitPosition = ( (LibDrawPolyline*) CurrentDrawItem )->m_PolyPoints[0];
break;
case COMPONENT_LINE_DRAW_TYPE:
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
InitPosition = ( (LibDrawText*) CurrentDrawItem )->m_Pos;
break;
default:
;
}
ItemPreviousPos = GetScreen()->m_Curseur;
DrawPanel->ManageCurseur = RedrawWhileMovingCursor;
DrawPanel->ForceCloseManageCurseur = AbortSymbolTraceOn;
DrawPanel->ManageCurseur( DrawPanel, DC, TRUE );
}
/****************************************************************/
/* Routine de Gestion des evenements souris lors de la creation */
/* d'un nouvel element type LibraryDrawStruct */
/****************************************************************/
static void SymbolDisplayDraw( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
{
int DrawMode = g_XorMode;
int dx, dy;
BASE_SCREEN* Screen = panel->GetScreen();
wxPoint curr_pos = Screen->m_Curseur;
NEGATE( curr_pos.y );
GRSetDrawMode( DC, DrawMode );
if( erase )
{
if( StateDrawArc == 1 )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRLine( &panel->m_ClipBox,
DC,
ArcStartX,
-ArcStartY,
ArcEndX,
-ArcEndY,
0,
Color );
}
else
{
CurrentDrawItem->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode,
NULL, DefaultTransformMatrix );
if( CurrentDrawItem->Type() == COMPONENT_ARC_DRAW_TYPE )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRDashedLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY,
( (LibDrawArc*) CurrentDrawItem )->m_Pos.x,
-( (LibDrawArc*) CurrentDrawItem )->m_Pos.y,
0, Color );
GRDashedLine( &panel->m_ClipBox, DC, ArcEndX, -ArcEndY,
( (LibDrawArc*) CurrentDrawItem )->m_Pos.x,
-( (LibDrawArc*) CurrentDrawItem )->m_Pos.y,
0, Color );
}
}
}
switch( CurrentDrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
if( StateDrawArc == 1 )
{
ArcEndX = curr_pos.x; ArcEndY = curr_pos.y;
}
if( StateDrawArc == 2 )
{
ComputeArc( (LibDrawArc*) CurrentDrawItem, Screen->m_Curseur );
}
( (LibDrawArc*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
dx = ( (LibDrawCircle*) CurrentDrawItem )->m_Pos.x - curr_pos.x;
dy = ( (LibDrawCircle*) CurrentDrawItem )->m_Pos.y - curr_pos.y;
( (LibDrawCircle*) CurrentDrawItem )->m_Rayon =
(int) sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) );
( (LibDrawCircle*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_RECT_DRAW_TYPE:
( (LibDrawSquare*) CurrentDrawItem )->m_End = curr_pos;
( (LibDrawSquare*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
{
unsigned idx = ( (LibDrawPolyline*) CurrentDrawItem )->GetCornerCount() - 1;
( (LibDrawPolyline*) CurrentDrawItem )->m_PolyPoints[idx] = curr_pos;
( (LibDrawPolyline*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
}
break;
case COMPONENT_LINE_DRAW_TYPE:
( (LibDrawSegment*) CurrentDrawItem )->m_End = curr_pos;
break;
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE: /* Traite par des routines specifiques */
break;
default:
;
}
if( StateDrawArc == 1 )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRLine( &panel->m_ClipBox,
DC,
ArcStartX,
-ArcStartY,
ArcEndX,
-ArcEndY,
0,
Color );
}
else
{
CurrentDrawItem->Draw( panel, DC, wxPoint( 0, 0 ), -1, DrawMode,
NULL, DefaultTransformMatrix );
if( CurrentDrawItem->Type() == COMPONENT_ARC_DRAW_TYPE )
{
int Color = ReturnLayerColor( LAYER_DEVICE );
GRDashedLine( &panel->m_ClipBox, DC, ArcStartX, -ArcStartY,
( (LibDrawArc*) CurrentDrawItem )->m_Pos.x,
-( (LibDrawArc*) CurrentDrawItem )->m_Pos.y,
0, Color );
GRDashedLine( &panel->m_ClipBox, DC, ArcEndX, -ArcEndY,
( (LibDrawArc*) CurrentDrawItem )->m_Pos.x,
-( (LibDrawArc*) CurrentDrawItem )->m_Pos.y,
0, Color );
}
}
}
/******************************************************/
void WinEDA_LibeditFrame::EndDrawGraphicItem( wxDC* DC )
/******************************************************/
/* Place la structure courante en liste des structures du composant
* courant, si elle existe et redessine toujours celle ci
* Parametres: (tous globaux)
* CurrentDrawItem
* CurrentLibEntry
*/
{
if( CurrentLibEntry == NULL )
return;
if( CurrentDrawItem == NULL )
return;
if( CurrentDrawItem->Type() == COMPONENT_ARC_DRAW_TYPE )
{
if( StateDrawArc == 1 ) /* Trace d'arc en cours: doit etre termine */
{
DisplayError( this, wxT( "Arc in progress.." ), 10 ); return;
}
else
{
if( (CurrentDrawItem->m_Flags & IS_MOVED) == 0 )
SymbolDisplayDraw( DrawPanel, DC, FALSE );
}
}
StateDrawArc = 0;
if( CurrentDrawItem->m_Flags & IS_NEW )
{
SaveCopyInUndoList( CurrentLibEntry );
CurrentDrawItem->SetNext( CurrentLibEntry->m_Drawings );
CurrentLibEntry->m_Drawings = CurrentDrawItem;
switch( CurrentDrawItem->Type() )
{
case COMPONENT_ARC_DRAW_TYPE:
( (LibDrawArc*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_CIRCLE_DRAW_TYPE:
( (LibDrawCircle*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_RECT_DRAW_TYPE:
( (LibDrawSquare*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_POLYLINE_DRAW_TYPE:
( (LibDrawPolyline*) CurrentDrawItem )->m_Fill = FlSymbol_Fill;
break;
case COMPONENT_PIN_DRAW_TYPE:
case COMPONENT_LINE_DRAW_TYPE:
case COMPONENT_GRAPHIC_TEXT_DRAW_TYPE:
break;
default:
;
}
CurrentLibEntry->SortDrawItems();
}
if( m_ID_current_state )
SetCursor( wxCURSOR_PENCIL );
else
SetCursor( wxCURSOR_ARROW );
if( (CurrentDrawItem->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;
MoveLibDrawItemAt( CurrentDrawItem, pos );
}
CurrentLibEntry->Draw( DrawPanel, DC, wxPoint( 0, 0 ), CurrentUnit,
CurrentConvert, GR_DEFAULT_DRAWMODE );
CurrentDrawItem->m_Flags = 0;
CurrentDrawItem = NULL;
GetScreen()->SetModify();
DrawPanel->ManageCurseur = NULL;
DrawPanel->ForceCloseManageCurseur = NULL;
}
/***************************************************************/
static void ComputeArc( LibDrawArc* DrawItem, wxPoint ArcCentre )
/***************************************************************/
/* routine d'ajustage des parametres de l'arc en cours de trace
* calcule le centre, rayon, angles pour que l'arc en cours
* passe par les points ArcStartX,Y et ArcEndX,Y avec le centre le plus proche
* de la pos souris
* Remarque: le centre n'est evidemment pas sur la grille
*/
{
int dx, dy;
int cX, cY; /* Coord centre de l'arc */
int angle;
cX = ArcCentre.x; cY = ArcCentre.y;
cY = -cY; /* Attention a l'orientation de l'axe Y */
/* calcul de cX et cY pour que l'arc passe par ArcStartX,Y et ArcEndX,Y */
dx = ArcEndX - ArcStartX; dy = ArcEndY - ArcStartY;
cX -= ArcStartX; cY -= ArcStartY;
angle = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
RotatePoint( &dx, &dy, angle ); /* Le segment dx, dy est horizontal */
/* -> dx = longueur, dy = 0 */
RotatePoint( &cX, &cY, angle );
cX = dx / 2; /* cX, cY est sur la mediane du segment 0,0 a dx,0 */
RotatePoint( &cX, &cY, -angle );
cX += ArcStartX; cY += ArcStartY;
DrawItem->m_Pos.x = cX; DrawItem->m_Pos.y = cY;
dx = ArcStartX - DrawItem->m_Pos.x;
dy = ArcStartY - DrawItem->m_Pos.y;
DrawItem->m_Rayon = (int) sqrt( ( (double) dx * dx ) + ( (double) dy * dy ) );
DrawItem->t1 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
dx = ArcEndX - DrawItem->m_Pos.x;
dy = ArcEndY - DrawItem->m_Pos.y;
DrawItem->t2 = (int) ( atan2( (double) dy, (double) dx ) * 1800 / M_PI );
DrawItem->m_ArcStart.x = ArcStartX;
DrawItem->m_ArcStart.y = ArcStartY;
DrawItem->m_ArcEnd.x = ArcEndX;
DrawItem->m_ArcEnd.y = ArcEndY;
NORMALIZE_ANGLE( DrawItem->t1 );
NORMALIZE_ANGLE( DrawItem->t2 ); // angles = 0 .. 3600
// limitation val abs a < 1800 (1/2 cercle) pour eviter Pbs d'affichage en miroir
// car en trace on suppose que l'arc fait moins de 180 deg pour trouver
// son orientation apres rot, miroir...
if( (DrawItem->t2 - DrawItem->t1) > 1800 )
DrawItem->t2 -= 3600;
else if( (DrawItem->t2 - DrawItem->t1) <= -1800 )
DrawItem->t2 += 3600;
wxString msg;
angle = DrawItem->t2 - DrawItem->t1;
msg.Printf( _( "Arc %.1f deg" ), (float) angle / 10 );
WinEDA_SchematicFrame* frame =
(WinEDA_SchematicFrame*) wxGetApp().GetTopWindow();
frame->m_LibeditFrame->PrintMsg( msg );
while( (DrawItem->t2 - DrawItem->t1) >= 1800 )
{
DrawItem->t2--;
DrawItem->t1++;
}
while( (DrawItem->t1 - DrawItem->t2) >= 1800 )
{
DrawItem->t2++;
DrawItem->t1--;
}
NORMALIZE_ANGLE( DrawItem->t1 );
NORMALIZE_ANGLE( DrawItem->t2 );
}
/***************************************************/
void WinEDA_LibeditFrame::DeleteDrawPoly( wxDC* DC )
/**************************************************/
/* Used for deleting last entered segment while creating a Polyline
*/
{
if( CurrentDrawItem == NULL
|| CurrentDrawItem->Type() != COMPONENT_POLYLINE_DRAW_TYPE )
return;
LibDrawPolyline* Poly = (LibDrawPolyline*) CurrentDrawItem;
CurrentDrawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode,
NULL, DefaultTransformMatrix );
while( Poly->GetCornerCount() > 2 ) // First segment is kept, only its end point is changed
{
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;
}
}
CurrentDrawItem->Draw( DrawPanel, DC, wxPoint( 0, 0 ), -1, g_XorMode,
NULL, DefaultTransformMatrix );
}
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