1 files changed, 314 insertions, 0 deletions
diff --git a/pcbnew/tracepcb.cpp b/pcbnew/tracepcb.cpp
new file mode 100644
index 0000000..56b3a8b
--- /dev/null
+++ b/pcbnew/tracepcb.cpp
@@ -0,0 +1,314 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
+ * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
+ * Copyright (C) 2012 Wayne Stambaugh <stambaughw@verizon.net>
+ * Copyright (C) 1992-2012 KiCad Developers, see AUTHORS.txt for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+/**
+ * @file tracepcb.cpp
+ * @brief Functions to redraw the current board.
+ */
+
+#include <fctsys.h>
+#include <class_drawpanel.h>
+#include <wxPcbStruct.h>
+#include <base_units.h>
+
+#include <class_board.h>
+#include <class_module.h>
+#include <class_track.h>
+#include <class_zone.h>
+#include <class_marker_pcb.h>
+
+#include <pcbnew.h>
+#include <module_editor_frame.h>
+#include <pcbplot.h>
+
+#include <wx/overlay.h>
+
+
+// Local functions:
+/* Trace the pads of a module in sketch mode.
+ * Used to display pads when when the module visibility is set to not visible
+ * and we want to see pad through.
+ * The pads must appear on the layers selected in LayerMask
+ */
+static void Trace_Pads_Only( EDA_DRAW_PANEL* panel, wxDC* DC, MODULE* Module,
+                             int ox, int oy, LSET LayerMask, GR_DRAWMODE draw_mode );
+
+
+void FOOTPRINT_EDIT_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
+{
+    PCB_SCREEN* screen = GetScreen();
+
+    if( !GetBoard() || !screen )
+        return;
+
+    GRSetDrawMode( DC, GR_COPY );
+
+    m_canvas->DrawBackGround( DC );
+    DrawWorkSheet( DC, screen, 0, IU_PER_MILS, wxEmptyString );
+
+    // Redraw the footprints
+    for( MODULE* module = GetBoard()->m_Modules; module; module = module->Next() )
+        module->Draw( m_canvas, DC, GR_OR | GR_ALLOW_HIGHCONTRAST );
+
+#ifdef USE_WX_OVERLAY
+
+    if( IsShown() )
+    {
+        m_overlay.Reset();
+        wxDCOverlay overlaydc( m_overlay, (wxWindowDC*) DC );
+        overlaydc.Clear();
+    }
+
+#endif
+
+    if( m_canvas->IsMouseCaptured() )
+        m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
+
+    // Redraw the cursor
+    m_canvas->DrawCrossHair( DC );
+}
+
+
+/* Draw the BOARD, and others elements : axis, grid ..
+ */
+void PCB_EDIT_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
+{
+    PCB_SCREEN* screen = GetScreen();
+
+    if( !GetBoard() || !screen )
+        return;
+
+    GRSetDrawMode( DC, GR_COPY );
+
+    m_canvas->DrawBackGround( DC );
+
+    DrawWorkSheet( DC, GetScreen(), g_DrawDefaultLineThickness,
+                    IU_PER_MILS, GetBoard()->GetFileName() );
+
+    GetBoard()->Draw( m_canvas, DC, GR_OR | GR_ALLOW_HIGHCONTRAST );
+
+    DrawGeneralRatsnest( DC );
+
+#ifdef USE_WX_OVERLAY
+
+    if( IsShown() )
+    {
+        m_overlay.Reset();
+        wxDCOverlay overlaydc( m_overlay, (wxWindowDC*) DC );
+        overlaydc.Clear();
+    }
+
+#endif
+
+    if( m_canvas->IsMouseCaptured() )
+        m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );
+
+    // Redraw the cursor
+    m_canvas->DrawCrossHair( DC );
+}
+
+
+// Redraw the BOARD items but not cursors, axis or grid
+void BOARD::Draw( EDA_DRAW_PANEL* aPanel, wxDC* DC, GR_DRAWMODE aDrawMode, const wxPoint& offset )
+{
+    /* The order of drawing is flexible on some systems and not on others.  For
+     * OSes which use OR to draw, the order is not important except for the
+     * effect of the highlight and its relationship to markers. See comment
+     * below.
+     * This order independence comes from the fact that a binary OR operation is
+     * commutative in nature.
+     * However on the OSX, the OR operation is not used, and so this sequence
+     * below is chosen to give MODULEs the highest visible priority.
+     */
+
+    /* Draw all tracks and zones.  As long as dark colors are used for the
+     * tracks,  Then the OR draw mode should show tracks underneath other
+     * tracks.  But a white track will cover any other color since it has
+     * more bits to OR in.
+     */
+    for( TRACK* track = m_Track; track; track = track->Next() )
+    {
+        if( track->IsMoving() )
+            continue;
+
+        track->Draw( aPanel, DC, aDrawMode );
+    }
+
+    // SEGZONE is outdated, only her for compatibility with
+    // very old designs
+    for( SEGZONE* zone = m_Zone; zone; zone = zone->Next() )
+    {
+        if( zone->IsMoving() )
+            continue;
+
+        zone->Draw( aPanel, DC, aDrawMode );
+    }
+
+    // Draw the graphic items
+    for( BOARD_ITEM* item = m_Drawings; item; item = item->Next() )
+    {
+        if( item->IsMoving() )
+            continue;
+
+        switch( item->Type() )
+        {
+        case PCB_DIMENSION_T:
+        case PCB_TEXT_T:
+        case PCB_TARGET_T:
+        case PCB_LINE_T:
+            item->Draw( aPanel, DC, aDrawMode );
+            break;
+
+        default:
+            break;
+        }
+    }
+
+    // Draw areas (i.e. zones)
+    for( int ii = 0; ii < GetAreaCount(); ii++ )
+    {
+        ZONE_CONTAINER* zone = GetArea( ii );
+
+        // Areas must be drawn here only if not moved or dragged,
+        // because these areas are drawn by ManageCursor() in a specific manner
+        if( ( zone->GetFlags() & (IN_EDIT | IS_DRAGGED | IS_MOVED) ) == 0 )
+        {
+            zone->Draw( aPanel, DC, aDrawMode );
+            zone->DrawFilledArea( aPanel, DC, aDrawMode );
+        }
+    }
+
+    LSET all_cu = LSET::AllCuMask();
+
+    for( MODULE* module = m_Modules; module; module = module->Next() )
+    {
+        bool    display = true;
+        LSET    layerMask = all_cu;
+
+        if( module->IsMoving() )
+            continue;
+
+        if( !IsElementVisible( PCB_VISIBLE( MOD_FR_VISIBLE ) ) )
+        {
+            if( module->GetLayer() == F_Cu )
+                display = false;
+
+            layerMask.set( F_Cu, false );
+        }
+
+        if( !IsElementVisible( PCB_VISIBLE( MOD_BK_VISIBLE ) ) )
+        {
+            if( module->GetLayer() == B_Cu )
+                display = false;
+
+            layerMask.set( B_Cu, false );
+        }
+
+        if( display )
+            module->Draw( aPanel, DC, aDrawMode );
+        else
+            Trace_Pads_Only( aPanel, DC, module, 0, 0, layerMask, aDrawMode );
+    }
+
+    if( IsHighLightNetON() )
+        DrawHighLight( aPanel, DC, GetHighLightNetCode() );
+
+    // draw the BOARD's markers last, otherwise the high light will erase any marker on a pad
+    for( unsigned i = 0; i < m_markers.size(); ++i )
+    {
+        m_markers[i]->Draw( aPanel, DC, aDrawMode );
+    }
+}
+
+
+void BOARD::DrawHighLight( EDA_DRAW_PANEL* am_canvas, wxDC* DC, int aNetCode )
+{
+    GR_DRAWMODE draw_mode;
+
+    if( IsHighLightNetON() )
+        draw_mode = GR_HIGHLIGHT | GR_OR;
+    else
+        draw_mode = GR_AND | GR_HIGHLIGHT;
+
+    // Redraw zones
+    for( int ii = 0; ii < GetAreaCount(); ii++ )
+    {
+        ZONE_CONTAINER* zone = GetArea( ii );
+
+        if( zone->GetNetCode() == aNetCode )
+        {
+            zone->Draw( am_canvas, DC, draw_mode );
+        }
+    }
+
+    // Redraw any pads that have aNetCode
+    for( MODULE* module = m_Modules; module; module = module->Next() )
+    {
+        for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() )
+        {
+            if( pad->GetNetCode() == aNetCode )
+            {
+                pad->Draw( am_canvas, DC, draw_mode );
+            }
+        }
+    }
+
+    // Redraw track and vias that have aNetCode
+    for( TRACK* seg = m_Track; seg; seg = seg->Next() )
+    {
+        if( seg->GetNetCode() == aNetCode )
+        {
+            seg->Draw( am_canvas, DC, draw_mode );
+        }
+    }
+}
+
+
+/* Trace the pads of a module in sketch mode.
+ * Used to display pads when when the module visibility is set to not visible
+ * and we want to see pad through.
+ * The pads must appear on the layers selected in LayerMask
+ */
+static void Trace_Pads_Only( EDA_DRAW_PANEL* panel, wxDC* DC, MODULE* aModule,
+                             int ox, int oy, LSET aLayerMask, GR_DRAWMODE draw_mode )
+{
+    DISPLAY_OPTIONS* displ_opts = (DISPLAY_OPTIONS*)panel->GetDisplayOptions();
+
+    int tmp = displ_opts->m_DisplayPadFill;
+
+    displ_opts->m_DisplayPadFill = false;
+
+    // Draw pads.
+    for( D_PAD* pad = aModule->Pads(); pad; pad = pad->Next() )
+    {
+        if( (pad->GetLayerSet() & aLayerMask) == 0 )
+            continue;
+
+        pad->Draw( panel, DC, draw_mode, wxPoint( ox, oy ) );
+    }
+
+    displ_opts->m_DisplayPadFill = tmp;
+}