testing

pcbnew/deltrack.cpp

@@ -119,11 +119,49 @@ TRACK* WinEDA_PcbFrame::Delete_Segment( wxDC* DC, TRACK* Track )
 
     current_net_code = Track->GetNet();
 
-#if 0 && !defined(DEBUG)
+#if 0
+
     Track->Draw( DrawPanel, DC, GR_XOR );
+
 #else
-    // just redraw the whole drawing so there are no XOR remnants at track intersections.
+
+    // redraw the area where the track was
+
+    // this rectangle is corrrect
+    EDA_Rect    dirty = Track->GetBoundingBox();
+
+    D(printf( "dirty m_Pos=(%d, %d) m_Size=(%d, %d)\n",
+             dirty.m_Pos.x, dirty.m_Pos.y, dirty.m_Size.x, dirty.m_Size.y );)
+
+    int zoom = GetZoom();
+
+    wxPoint drwOrig = GetScreen()->m_DrawOrg;
+
+    dirty.m_Pos.x = (dirty.m_Pos.x - drwOrig.x) / zoom;
+    dirty.m_Pos.y = (dirty.m_Pos.y - drwOrig.y) / zoom;
+
+    dirty.m_Size.x = (dirty.m_Size.x  - drwOrig.x) / zoom;
+    dirty.m_Size.y = (dirty.m_Size.y  - drwOrig.y) / zoom;
+
+    D(printf( "dirty scaled zoom=%d m_Pos=(%d, %d) m_Size=(%d, %d) drwOrig=(%d, %d)\n",
+             zoom,
+             dirty.m_Pos.x, dirty.m_Pos.y, dirty.m_Size.x, dirty.m_Size.y,
+             drwOrig.x, drwOrig.y );)
+
+    // pass wxRect() via EDA_Rect::operator wxRect() overload
+    wxRect dirtyR = dirty;
+
+    D(printf( "dirtyR m_Pos=(%d, %d) m_Size=(%d, %d)\n",
+             dirtyR.x, dirtyR.y, dirtyR.width, dirtyR.height );)
+
+/*  The calculation for dirtyR is either wrong or the handling of the clipping
+    rect in OnPaint() is wrong.  Enable this line instead of the Refresh() below,
+    then try deleting a track segment.
+    DrawPanel->RefreshRect( dirtyR, TRUE );
+*/
+
     DrawPanel->Refresh( TRUE );
+
 #endif
 
     SaveItemEfface( Track, 1 );