Dirty rect used in footprint start move, rotation, flip and delete.

change_log.txt

@@ -5,6 +5,12 @@ Started 2007-June-11
 Please add newer entries at the top, list the date and your name with
 email address.
 
+2008-Mar-13 UPDATE  Jean-Pierre Charras <jean-pierre.charras@inpg.fr>
+================================================================================
++pcbnew
+	Dirty rect used in footprint rotation, flip and delete.
+	Better calculation of the footprint dirty rect.
+
 
 2008-Mar-13 UPDATE   Dick Hollenbeck <dick@softplc.com>
 ================================================================================

include/base_struct.h

@@ -167,7 +167,7 @@ public:
 #define STRUCT_DELETED  (1 << 13)           ///< Bit flag de Status pour structures effacee
 #define CANDIDATE       (1 << 14)           ///< flag indiquant que la structure est connectee
 #define SKIP_STRUCT     (1 << 15)           ///< flag indiquant que la structure ne doit pas etre traitee
-
+#define DO_NOT_DRAW     (1 << 16)           ///< Used to disable draw function
 
     unsigned long m_TimeStamp;          // Time stamp used for logical links
     int           m_Selected;           /* Used by block commands, and selective editing */

pcbnew/class_module.cpp

@@ -267,20 +267,22 @@ void MODULE::Draw( WinEDA_DrawPanel* panel, wxDC* DC,
                    const wxPoint& offset, int draw_mode )
 /**********************************************************/
 
-/* Dessin d'une empreinte sur l'ecran actif:
- *  Entree :
- *      Module: pointeur sur le module
- *      ox, oy = offset de trace
- *      draw_mode = mode de trace ( GR_OR, GR_XOR, GR_AND)
- *  Utilise par ailleur:
- *      Description des parametres de l'empreinte calcules par caract() ;
+/** Function Draw
+ *  Draws the footprint to the current Device Context
+ *  @param panel = The active Draw Panel (used to know the clip box)
+ *  @param DC = current Device Context
+ *  @param offset = draw offset (usually wxPoint(0,0)
+ *  @param draw_mode =  GR_OR, GR_XOR, GR_AND
  */
 {
     D_PAD*          pt_pad;
     EDA_BaseStruct* PtStruct;
     TEXTE_MODULE*   PtTexte;
+	
+	if ( (m_Flags & DO_NOT_DRAW) )
+		return;
 
-    /* trace des pastilles */
+    /* Draw pads */
     pt_pad = m_Pads;
     for( ; pt_pad != NULL; pt_pad = (D_PAD*) pt_pad->Pnext )
     {
@@ -289,10 +291,10 @@ void MODULE::Draw( WinEDA_DrawPanel* panel, wxDC* DC,
         pt_pad->Draw( panel, DC, offset, draw_mode );
     }
 
-    /* Impression de l'ancre du module */
+    /* Draws foootprint anchor */
     DrawAncre( panel, DC, offset, DIM_ANCRE_MODULE, draw_mode );
 
-    /* impression des graphismes */
+    /* Draw graphic items */
     if( !(m_Reference->m_Flags & IS_MOVED) )
         m_Reference->Draw( panel, DC, offset, draw_mode );
     if( !(m_Value->m_Flags & IS_MOVED) )
@@ -326,10 +328,17 @@ void MODULE::Draw( WinEDA_DrawPanel* panel, wxDC* DC,
 void MODULE::DrawEdgesOnly( WinEDA_DrawPanel* panel, wxDC* DC,
                             const wxPoint& offset, int draw_mode )
 /**************************************************************/
+/** Function DrawEdgesOnly
+ *  Draws the footprint edges only to the current Device Context
+ *  @param panel = The active Draw Panel (used to know the clip box)
+ *  @param DC = current Device Context
+ *  @param offset = draw offset (usually wxPoint(0,0)
+ *  @param draw_mode =  GR_OR, GR_XOR, GR_AND
+ */
 {
     EDA_BaseStruct* PtStruct;
 
-    /* impression des graphismes */
+    /* Draw graphic items */
     PtStruct = m_Drawings;
     for( ; PtStruct != NULL; PtStruct = PtStruct->Pnext )
     {
@@ -1041,13 +1050,55 @@ void MODULE::SetRectangleExinscrit()
 
 /**
  * Function GetBoundingBox
-* returns the bounding box of this Footprint
+ * returns the full bounding box of this Footprint, including texts
  */
 EDA_Rect MODULE::GetBoundingBox()
 {
-	
+	// Calculate area without text fielsd:
 	SetRectangleExinscrit();
-	return m_RealBoundaryBox;
+	EDA_Rect area = m_RealBoundaryBox;
+
+	area.Normalize();
+	// Calculate extended area including text field:
+    EDGE_MODULE* EdgeMod = (EDGE_MODULE*) m_Drawings;
+	TEXTE_MODULE* text;
+	EDA_Rect text_area;
+	wxPoint textstart, textend;
+	wxPoint modstart = area.GetOrigin();
+	wxPoint modend = area.GetEnd();
+    for( int ii = 0 ; ; ii++ )
+    {
+		if ( ii == 0 )
+			text = m_Reference;
+		else if ( ii == 1 )
+			text = m_Value;
+		else
+		{
+			if ( EdgeMod == NULL ) break;
+			text = (TEXTE_MODULE*) EdgeMod;
+			EdgeMod = (EDGE_MODULE*) EdgeMod->Pnext;
+			if( text->Type() != TYPETEXTEMODULE )
+				continue;
+		}
+		text_area = text->GetTextRect();
+		textstart = text_area.GetOrigin();
+		textend = text_area.GetEnd();
+		int angle = text->GetDrawRotation();
+		RotatePoint( &textstart, text->m_Pos, angle);
+		RotatePoint( &textend, text->m_Pos, angle);
+		modstart.x = min( modstart.x, textstart.x);
+		modstart.x = min( modstart.x, textend.x);
+		modstart.y = min( modstart.y, textstart.y);
+		modstart.y = min( modstart.y, textend.y);
+		modend.x = max( modend.x, textstart.x);
+		modend.x = max( modend.x, textend.x);
+		modend.y = max( modend.y, textstart.y);
+		modend.y = max( modend.y, textend.y);
+	}
+	
+	area.SetOrigin(modstart);
+	area.SetEnd(modend);
+	return area;
 }
 
 /*******************************************************/

pcbnew/class_text_mod.cpp

@@ -194,6 +194,31 @@ void TEXTE_MODULE:: SetLocalCoord()
 
 
 /* locate functions */
+
+/** Function GetTextRect
+ * @return an EDA_Rect which gives the position and size of the text area (for the O orient  footprint)
+ */
+EDA_Rect TEXTE_MODULE::GetTextRect(void)
+{
+	EDA_Rect area;
+	
+    int  dx, dy;
+    dx = ( m_Size.x * GetLength() ) / 2;
+    dx = (dx * 10) / 9 ; /* letter size = 10/9 */
+	dx +=  m_Width / 2;
+    dy = ( m_Size.y + m_Width ) / 2;
+	
+	wxPoint Org = m_Pos;	// This is the position of the centre of the area
+	Org.x -= dx;
+	Org.y -= dy;
+	area.SetOrigin( Org);
+	area.SetHeight(2 * dy);
+	area.SetWidth(2 * dx);
+	area.Normalize();
+	
+	return area;
+}
+
 bool TEXTE_MODULE::HitTest( const wxPoint& posref )
 {
     int     mX, mY, dx, dy;
@@ -204,8 +229,9 @@ bool TEXTE_MODULE::HitTest( const wxPoint& posref )
         angle += Module->m_Orient;
 
     dx = ( m_Size.x * GetLength() ) / 2;
-    dy = m_Size.y / 2;
-    dx = ( (dx * 10) / 9 ) + m_Width; /* Facteur de forme des lettres : 10/9 */
+    dx = (dx * 10) / 9; /* Facteur de forme des lettres : 10/9 */
+	dx +=  m_Width / 2;
+    dy = ( m_Size.y + m_Width ) / 2;
 
     /* le point de reference est tourn�de - angle
      *  pour se ramener a un rectangle de reference horizontal */

pcbnew/class_text_mod.h

@@ -53,6 +53,11 @@ public:
     int     GetLength();          /* text length */
     int     Pitch();              /* retourne le pas entre 2 caracteres */
     int     GetDrawRotation();    // Return text rotation for drawings and plotting
+	
+	/** Function GetTextRect
+	 * @return an EDA_Rect which gives the position and size of the text area (for the O orient text and footprint)
+	 */
+	EDA_Rect GetTextRect(void);
 
     void    SetDrawCoord();       // mise a jour des coordonn�s absolues de trac�			
                                         // a partir des coord relatives

pcbnew/dialog_edit_module.cpp

@@ -500,9 +500,6 @@ void WinEDA_ModulePropertiesFrame::OnOkClick( wxCommandEvent& event )
     if( m_DC )
         m_Parent->DrawPanel->CursorOff( m_DC );
 
-    if( m_DC )
-        m_CurrentModule->Draw( m_Parent->DrawPanel, m_DC, wxPoint( 0, 0 ), GR_XOR );
-
     if( m_OrientValue )
     {
         long orient = 0; wxString msg = m_OrientValue->GetValue();

pcbnew/modules.cpp

@@ -126,7 +126,13 @@ void WinEDA_PcbFrame::StartMove_Module( MODULE* module, wxDC* DC )
     DrawPanel->m_AutoPAN_Request = TRUE;
 
     // effacement module a l'ecran:
-    module->Draw( DrawPanel, DC, wxPoint( 0, 0 ), GR_XOR );
+    if ( DC )
+	{
+		int tmp = module->m_Flags;
+		module->m_Flags |= DO_NOT_DRAW;
+		DrawPanel->PostDirtyRect( module->GetBoundingBox() );
+		module->m_Flags = tmp;
+	}
 
     // Reaffichage
     DrawPanel->ManageCurseur( DrawPanel, DC, FALSE );
@@ -250,8 +256,7 @@ void Montre_Position_Empreinte( WinEDA_DrawPanel* panel, wxDC* DC, bool erase )
     }
 
     /* Redessine le module a la nouvelle place */
-    g_Offset_Module.x = module->m_Pos.x - panel->m_Parent->m_CurrentScreen->m_Curseur.x;
-    g_Offset_Module.y = module->m_Pos.y - panel->m_Parent->m_CurrentScreen->m_Curseur.y;
+    g_Offset_Module = module->m_Pos - panel->m_Parent->m_CurrentScreen->m_Curseur;
     DrawModuleOutlines( panel, DC, module );
 
     Dessine_Segments_Dragges( panel, DC );
@@ -333,7 +338,7 @@ void BOARD::Change_Side_Module( MODULE* Module, wxDC* DC )
  * The mirroring is made from X axis
  * if a footprint is not on copper or component layer it is not flipped
  * (it could be on an adhesive layer, not supported at this time)
- * @param Module the footprint to fli^p
+ * @param Module the footprint to flip
  * @param  DC Current Device Context. if NULL, no redraw
  */
 {
@@ -353,7 +358,12 @@ void BOARD::Change_Side_Module( MODULE* Module, wxDC* DC )
     {
         m_Status_Pcb &= ~( LISTE_CHEVELU_OK | CONNEXION_OK);
         if( DC && m_PcbFrame )
-            Module->Draw( m_PcbFrame->DrawPanel, DC, wxPoint( 0, 0 ), GR_XOR );
+		{
+			int tmp = Module->m_Flags;
+			Module->m_Flags |= DO_NOT_DRAW;
+			m_PcbFrame->DrawPanel->PostDirtyRect( Module->GetBoundingBox() );
+			Module->m_Flags = tmp;
+		}
 
         /* Effacement chevelu general si necessaire */
         if( DC && g_Show_Ratsnest )
@@ -709,7 +719,11 @@ void WinEDA_BasePcbFrame::Rotate_Module( wxDC* DC, MODULE* module,
     {
         if( DC )
         {
-            module->Draw( DrawPanel, DC, wxPoint( 0, 0 ), GR_XOR );
+			int tmp = module->m_Flags;
+			module->m_Flags |= DO_NOT_DRAW;
+			DrawPanel->PostDirtyRect( module->GetBoundingBox() );
+			module->m_Flags = tmp;
+
             /* Reaffichage chevelu general si necessaire */
             if( g_Show_Ratsnest )
                 DrawGeneralRatsnest( DC );