Pcbnew: fix bug Bug #1001107 (Solder Mask Ratio Clearance bad value)

Because this bug could create bad values in footprint libraries, this parameter is now checked
when reading a footprint description in legacy format

gerbview/class_gbr_screen.cpp

 /**
- * @file classpcb.cpp
- * @brief Member functions of classes used in Pcbnew (see pcbstruct.h)
- *        except for tracks (see class_track.cpp).
+ * @file class_gbr_screen.cpp
  */
 
 #include <fctsys.h>
@@ -24,14 +22,9 @@
 
 
 /**
-    Default Pcbnew zoom values.
+    Default GerbView zoom values.
     Limited to 19 values to keep a decent size to menus.
     Roughly a 1.5 progression.
-    The last 2 values are handy when somebody uses a library import of a module
-    (or foreign data) which has a bad coordinate.
-    Also useful in GerbView for this reason.
-    Zoom 5 and 10 can create artefacts when drawing (integer overflow in low level graphic
-    functions )
 */
 static const double gbrZoomList[] =
 {

gerbview/locate.cpp

 /*
  * This program source code file is part of KiCad, a free EDA CAD application.
  *
- * Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
- * Copyright (C) 1992-2011 KiCad Developers, see change_log.txt for contributors.
+ * Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
+ * Copyright (C) 1992-2012 KiCad Developers, see change_log.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

pcbnew/dialogs/dialog_edit_module_for_BoardEditor.cpp

@@ -120,10 +120,14 @@ void DIALOG_MODULE_BOARD_EDITOR::InitBoardProperties()
     if( m_CurrentModule->GetLocalSolderPasteMargin() == 0 )
         m_SolderPasteMarginCtrl->SetValue( wxT( "-" ) +
                                            m_SolderPasteMarginCtrl->GetValue() );
+
+    // Add solder paste margin ration in per cent
+    // for the usual default value 0.0, display -0.0 (or -0,0 in some countries)
     msg.Printf( wxT( "%.1f" ),
                     m_CurrentModule->GetLocalSolderPasteMarginRatio() * 100.0 );
+
     if( m_CurrentModule->GetLocalSolderPasteMarginRatio() == 0.0 &&
-        msg[0] == '0')  // Sometimes Printf add a sign if the value is small
+        msg[0] == '0')  // Sometimes Printf adds a sign if the value is very small (0.0)
         m_SolderPasteMarginRatioCtrl->SetValue( wxT("-") + msg );
     else
         m_SolderPasteMarginRatioCtrl->SetValue( msg );
@@ -487,12 +491,13 @@ void DIALOG_MODULE_BOARD_EDITOR::OnOkClick( wxCommandEvent& event )
     msg = m_SolderPasteMarginRatioCtrl->GetValue();
     msg.ToDouble( &dtmp );
 
-    // A margin ratio de -50% means no paste on a pad, the ratio must be >= 50%
-    if( dtmp < -50 )
-        dtmp = -50;
-
-    if( dtmp > +100 )
-        dtmp = +100;
+    // A -50% margin ratio means no paste on a pad, the ratio must be >= -50%
+    if( dtmp < -50.0 )
+        dtmp = -50.0;
+    // A margin ratio is always <= 0
+    // 0 means use full pad copper area
+    if( dtmp > 0.0 )
+        dtmp = 0.0;
 
     m_CurrentModule->SetLocalSolderPasteMarginRatio( dtmp / 100 );
 

pcbnew/dialogs/dialog_edit_module_for_Modedit.cpp

-/*******************************************************************************************/
-/* Dialog box for editing module	properties and carateristics in module editor (modedit)*/
-/*******************************************************************************************/
+/**
+ * @file dialod_edit_module_for_Modedit.cpp
+ *
+ * @brief Dialog for editing a module properties in module editor (modedit)
+ */
 
 #include <fctsys.h>
 #include <class_drawpanel.h>
@@ -89,7 +91,6 @@ void DIALOG_MODULE_MODULE_EDITOR::InitModeditProperties()
     m_ValueCtrl->SetValue( m_ValueCopy->m_Text );
     m_FootprintNameCtrl->SetValue( m_CurrentModule->m_LibRef );
 
-#if wxCHECK_VERSION( 2, 8, 0 )
     m_AttributsCtrl->SetItemToolTip( 0, _( "Use this attribute for most non smd components" ) );
     m_AttributsCtrl->SetItemToolTip( 1,
                                     _(
@@ -97,7 +98,6 @@ void DIALOG_MODULE_MODULE_EDITOR::InitModeditProperties()
     m_AttributsCtrl->SetItemToolTip( 2,
                                     _(
                                         "Use this attribute for \"virtual\" components drawn on board (like a old ISA PC bus connector)" ) );
-#endif
 
     // Controls on right side of the dialog
     switch( m_CurrentModule->m_Attributs & 255 )
@@ -121,10 +121,9 @@ void DIALOG_MODULE_MODULE_EDITOR::InitModeditProperties()
 
     m_AutoPlaceCtrl->SetSelection(
         (m_CurrentModule->m_ModuleStatus & MODULE_is_LOCKED) ? 1 : 0 );
-#if wxCHECK_VERSION( 2, 8, 0 )
     m_AutoPlaceCtrl->SetItemToolTip( 0, _( "Enable hotkey move commands and Auto Placement" ) );
     m_AutoPlaceCtrl->SetItemToolTip( 1, _( "Disable hotkey move commands and Auto Placement" ) );
-#endif
+
     m_CostRot90Ctrl->SetValue( m_CurrentModule->m_CntRot90 );
 
     m_CostRot180Ctrl->SetValue( m_CurrentModule->m_CntRot180 );
@@ -165,6 +164,17 @@ void DIALOG_MODULE_MODULE_EDITOR::InitModeditProperties()
 
     m_SolderPasteMarginRatioCtrl->SetValue( msg );
 
+    // Add solder paste margin ration in per cent
+    // for the usual default value 0.0, display -0.0 (or -0,0 in some countries)
+    msg.Printf( wxT( "%.1f" ),
+                    m_CurrentModule->GetLocalSolderPasteMarginRatio() * 100.0 );
+
+    if( m_CurrentModule->GetLocalSolderPasteMarginRatio() == 0.0 &&
+        msg[0] == '0')  // Sometimes Printf adds a sign if the value is very small (0.0)
+        m_SolderPasteMarginRatioCtrl->SetValue( wxT("-") + msg );
+    else
+        m_SolderPasteMarginRatioCtrl->SetValue( msg );
+
     // if m_3D_ShapeNameListBox is not empty, preselect first 3D shape
     if( m_3D_ShapeNameListBox->GetCount() > 0 )
     {
@@ -377,9 +387,12 @@ void DIALOG_MODULE_MODULE_EDITOR::OnOkClick( wxCommandEvent& event )
     wxString msg = m_SolderPasteMarginRatioCtrl->GetValue();
     msg.ToDouble( &dtmp );
 
-    // A margin ratio de -50% means no paste on a pad, the ratio must be >= 50 %
-    if( dtmp < -50 )
-        dtmp = -50;
+    // A  -50% margin ratio means no paste on a pad, the ratio must be >= -50 %
+    if( dtmp < -50.0 )
+        dtmp = -50.0;
+    // A margin ratio is always <= 0
+    if( dtmp > 0.0 )
+        dtmp = 0.0;
 
     m_CurrentModule->SetLocalSolderPasteMarginRatio( dtmp / 100 );
 

pcbnew/dialogs/dialog_pad_properties.cpp

@@ -864,11 +864,13 @@ bool DIALOG_PAD_PROPERTIES::transferDataToPad( D_PAD* aPad )
     msg = m_SolderPasteMarginRatioCtrl->GetValue();
     msg.ToDouble( &dtmp );
 
-    // A margin ratio of -50% means no paste on a pad, the ratio must be >= 50 %
-    if( dtmp < -50 )
-        dtmp = -50;
-    if( dtmp > +100 )
-        dtmp = +100;
+    // A -50% margin ratio means no paste on a pad, the ratio must be >= -50%
+    if( dtmp < -50.0 )
+        dtmp = -50.0;
+    // A margin ratio is always <= 0
+    // 0 means use full pad copper area
+    if( dtmp > 0.0 )
+        dtmp = 0.0;
 
     aPad->SetLocalSolderPasteMarginRatio( dtmp / 100 );
 

pcbnew/legacy_plugin.cpp

@@ -1018,6 +1018,14 @@ MODULE* LEGACY_PLUGIN::LoadMODULE()
         else if( TESTLINE( ".SolderPasteRatio" ) )
         {
             double tmp = atof( line + SZ( ".SolderPasteRatio" ) );
+            // Due to a bug in dialog editor in Modedit, fixed in BZR version 3565
+            // this parameter can be broken.
+            // It should be >= -50% (no solder paste) and <= 0% (full area of the pad)
+
+            if( tmp < -0.50 )
+                tmp = -0.50;
+            if( tmp > 0.0 )
+                tmp = 0.0;
             module->SetLocalSolderPasteMarginRatio( tmp );
         }