From a00df5b3305fc89befdf0a93508705ca15c111c2 Mon Sep 17 00:00:00 2001
From: jean-pierre charras <jp.charras@wanadoo.fr>
Date: Wed, 25 Apr 2012 21:46:30 +0200
Subject: [PATCH] commit missing files

---
 gerbview/class_gbr_screen.cpp | 122 ++++++++++++++++++++++++++++++++++
 gerbview/class_gbr_screen.h   |  33 +++++++++
 2 files changed, 155 insertions(+)
 create mode 100644 gerbview/class_gbr_screen.cpp
 create mode 100644 gerbview/class_gbr_screen.h

diff --git a/gerbview/class_gbr_screen.cpp b/gerbview/class_gbr_screen.cpp
new file mode 100644
index 0000000000..82dd28314a
--- /dev/null
+++ b/gerbview/class_gbr_screen.cpp
@@ -0,0 +1,122 @@
+/**
+ * @file classpcb.cpp
+ * @brief Member functions of classes used in Pcbnew (see pcbstruct.h)
+ *        except for tracks (see class_track.cpp).
+ */
+
+#include <fctsys.h>
+#include <common.h>
+#include <macros.h>
+#include <class_gbr_screen.h>
+#include <base_units.h>
+
+#include <pcbnew.h>
+#include <class_board_design_settings.h>
+#include <layers_id_colors_and_visibility.h>
+
+#include <pcbnew_id.h>
+
+
+#define DMIL_GRID( x ) wxRealPoint( x * DECIMILS_TO_IU_SCALING_FACTOR,\
+                                    x * DECIMILS_TO_IU_SCALING_FACTOR )
+#define MM_GRID( x )   wxRealPoint( x * MM_TO_IU_SCALING_FACTOR,\
+                                    x * MM_TO_IU_SCALING_FACTOR )
+
+
+/**
+    Default Pcbnew 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[] =
+{
+    ZOOM_FACTOR( 0.5 ),
+    ZOOM_FACTOR( 1.0 ),
+    ZOOM_FACTOR( 1.5 ),
+    ZOOM_FACTOR( 2.0 ),
+    ZOOM_FACTOR( 3.0 ),
+    ZOOM_FACTOR( 4.5 ),
+    ZOOM_FACTOR( 7.0 ),
+    ZOOM_FACTOR( 10.0 ),
+    ZOOM_FACTOR( 15.0 ),
+    ZOOM_FACTOR( 22.0 ),
+    ZOOM_FACTOR( 35.0 ),
+    ZOOM_FACTOR( 50.0 ),
+    ZOOM_FACTOR( 80.0 ),
+    ZOOM_FACTOR( 120.0 ),
+    ZOOM_FACTOR( 200.0 ),
+    ZOOM_FACTOR( 350.0 ),
+    ZOOM_FACTOR( 500.0 ),
+    ZOOM_FACTOR( 1000.0 ),
+    ZOOM_FACTOR( 2000.0 )
+};
+
+
+// Default grid sizes for PCB editor screens.
+static GRID_TYPE gbrGridList[] =
+{
+    // predefined grid list in 0.0001 inches
+    { ID_POPUP_GRID_LEVEL_1000,     DMIL_GRID( 1000 )  },
+    { ID_POPUP_GRID_LEVEL_500,      DMIL_GRID( 500 )   },
+    { ID_POPUP_GRID_LEVEL_250,      DMIL_GRID( 250 )   },
+    { ID_POPUP_GRID_LEVEL_200,      DMIL_GRID( 200 )   },
+    { ID_POPUP_GRID_LEVEL_100,      DMIL_GRID( 100 )   },
+    { ID_POPUP_GRID_LEVEL_50,       DMIL_GRID( 50 )    },
+    { ID_POPUP_GRID_LEVEL_25,       DMIL_GRID( 25 )    },
+    { ID_POPUP_GRID_LEVEL_20,       DMIL_GRID( 20 )    },
+    { ID_POPUP_GRID_LEVEL_10,       DMIL_GRID( 10 )    },
+    { ID_POPUP_GRID_LEVEL_5,        DMIL_GRID( 5 )     },
+    { ID_POPUP_GRID_LEVEL_2,        DMIL_GRID( 2 )     },
+    { ID_POPUP_GRID_LEVEL_1,        DMIL_GRID( 1 )     },
+
+    // predefined grid list in mm
+    { ID_POPUP_GRID_LEVEL_5MM,      MM_GRID( 5.0 )     },
+    { ID_POPUP_GRID_LEVEL_2_5MM,    MM_GRID( 2.5 )     },
+    { ID_POPUP_GRID_LEVEL_1MM,      MM_GRID( 1.0 )     },
+    { ID_POPUP_GRID_LEVEL_0_5MM,    MM_GRID( 0.5 )     },
+    { ID_POPUP_GRID_LEVEL_0_25MM,   MM_GRID( 0.25 )    },
+    { ID_POPUP_GRID_LEVEL_0_2MM,    MM_GRID( 0.2 )     },
+    { ID_POPUP_GRID_LEVEL_0_1MM,    MM_GRID( 0.1 )     },
+    { ID_POPUP_GRID_LEVEL_0_0_5MM,  MM_GRID( 0.05 )    },
+    { ID_POPUP_GRID_LEVEL_0_0_25MM, MM_GRID( 0.025 )   },
+    { ID_POPUP_GRID_LEVEL_0_0_1MM,  MM_GRID( 0.01 )    }
+};
+
+
+GBR_SCREEN::GBR_SCREEN( const wxSize& aPageSizeIU ) :
+    PCB_SCREEN( aPageSizeIU )
+{
+    // Replace zoom and grid lists already set by PCB_SCREEN ctor
+    m_ZoomList.Clear();
+    for( unsigned i = 0; i < DIM( gbrZoomList );  ++i )
+        m_ZoomList.Add( gbrZoomList[i] );
+
+    GRIDS gridlist;
+    for( unsigned i = 0; i < DIM( gbrGridList );  ++i )
+        gridlist.push_back( gbrGridList[i] );
+    SetGridList( gridlist );
+
+    // Set the working grid size to a reasonnable value (in 1/10000 inch)
+    SetGrid( DMIL_GRID( 500 ) );
+
+    m_Active_Layer       = LAYER_N_BACK;      // default active layer = bottom layer
+
+    SetZoom( ZOOM_FACTOR( 350 ) );            // a default value for zoom
+}
+
+
+GBR_SCREEN::~GBR_SCREEN()
+{
+}
+
+
+// virtual function
+int GBR_SCREEN::MilsToIuScalar()
+{
+    return (int)MILS_TO_IU_SCALING_FACTOR;
+}
diff --git a/gerbview/class_gbr_screen.h b/gerbview/class_gbr_screen.h
new file mode 100644
index 0000000000..d903de80bf
--- /dev/null
+++ b/gerbview/class_gbr_screen.h
@@ -0,0 +1,33 @@
+/**
+ * @file class_gbr_screen.h
+ */
+
+#ifndef CLASS_GBR_SCREEN_H_
+#define CLASS_GBR_SCREEN_H_
+
+
+#include <base_units.h>
+#include <class_pcb_screen.h>
+
+#define ZOOM_FACTOR( x )       ( x * DECIMILS_TO_IU_SCALING_FACTOR )
+
+
+/* Handle info to display a board */
+class GBR_SCREEN : public PCB_SCREEN
+{
+public:
+
+    /**
+     * Constructor
+     * @param aPageSizeIU is the size of the initial paper page in internal units.
+     */
+    GBR_SCREEN( const wxSize& aPageSizeIU );
+
+    ~GBR_SCREEN();
+
+    GBR_SCREEN* Next() { return (GBR_SCREEN*) Pnext; }
+
+    virtual int MilsToIuScalar();
+};
+
+#endif  // CLASS_GBR_SCREEN_H_