All: change MILS_TO_IU_SCALING_FACTOR constant to IU_PER_MILS ( and MM_TO_IU_SCALING_FACTOR to IU_PER_MM)

Also fix bug 985654.

common/base_units.cpp

@@ -41,10 +41,10 @@
 
 
 #if defined( PCBNEW ) || defined( CVPCB ) || defined( EESCHEMA )
-#define IU_TO_MM( x )       ( x / MM_PER_IU )
-#define IU_TO_IN( x )       ( x / MILS_PER_IU / 1000 )
-#define MM_TO_IU( x )       ( x * MM_PER_IU )
-#define IN_TO_IU( x )       ( x * MILS_PER_IU * 1000 )
+#define IU_TO_MM( x )       ( x / IU_PER_MM )
+#define IU_TO_IN( x )       ( x / IU_PER_MILS / 1000 )
+#define MM_TO_IU( x )       ( x * IU_PER_MM )
+#define IN_TO_IU( x )       ( x * IU_PER_MILS * 1000 )
 #else
 #error "Cannot resolve internal units due to no definition of EESCHEMA, CVPCB or PCBNEW."
 #endif

common/eda_text.cpp

@@ -37,7 +37,7 @@
 // Conversion to application internal units defined at build time.
 #if defined( PCBNEW )
 #include <class_board_item.h>
-#define MILS_TO_IU( x )     ( x * MILS_PER_IU );
+#define MILS_TO_IU( x )     ( x * IU_PER_MILS );
 #elif defined( EESCHEMA )
 #include <sch_item_struct.h>
 #define MILS_TO_IU( x )     ( x )

eeschema/dialogs/dialog_SVG_print.cpp

@@ -237,7 +237,7 @@ bool DIALOG_SVG_PRINT::DrawSVGPage( EDA_DRAW_FRAME* frame,
                                                    sheetSize.y/2) );
 
     if( aPrint_Sheet_Ref )
-        frame->TraceWorkSheet( &dc, screen, g_DrawDefaultLineThickness, MILS_PER_IU );
+        frame->TraceWorkSheet( &dc, screen, g_DrawDefaultLineThickness, IU_PER_MILS );
 
     screen->m_IsPrinting   = false;
     panel->SetClipBox( tmp );

eeschema/dialogs/dialog_print_using_printer.cpp

@@ -378,7 +378,7 @@ void SCH_PRINTOUT::DrawPage( SCH_SCREEN* aScreen )
     aScreen->Draw( panel, dc, GR_DEFAULT_DRAWMODE );
 
     if( printReference )
-        parent->TraceWorkSheet( dc, aScreen, g_DrawDefaultLineThickness, MILS_PER_IU );
+        parent->TraceWorkSheet( dc, aScreen, g_DrawDefaultLineThickness, IU_PER_MILS );
 
     g_DrawBgColor = bg_color;
     aScreen->m_IsPrinting = false;

eeschema/eeredraw.cpp

@@ -71,7 +71,7 @@ void SCH_EDIT_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
 
     GetScreen()->Draw( m_canvas, DC, GR_DEFAULT_DRAWMODE );
 
-    TraceWorkSheet( DC, GetScreen(), g_DrawDefaultLineThickness, MILS_PER_IU );
+    TraceWorkSheet( DC, GetScreen(), g_DrawDefaultLineThickness, IU_PER_MILS );
 
 #ifdef USE_WX_OVERLAY
     if( IsShown() )

eeschema/schframe.cpp

@@ -863,7 +863,7 @@ void SCH_EDIT_FRAME::SVG_Print( wxCommandEvent& event )
 void SCH_EDIT_FRAME::PrintPage( wxDC* aDC, int aPrintMask, bool aPrintMirrorMode, void* aData )
 {
     GetScreen()->Draw( m_canvas, aDC, GR_DEFAULT_DRAWMODE );
-    TraceWorkSheet( aDC, GetScreen(), g_DrawDefaultLineThickness, MILS_PER_IU );
+    TraceWorkSheet( aDC, GetScreen(), g_DrawDefaultLineThickness, IU_PER_MILS );
 }
 
 

gerbview/class_gbr_screen.cpp

@@ -17,10 +17,10 @@
 #include <pcbnew_id.h>
 
 
-#define DMIL_GRID( x ) wxRealPoint( x * DECIMILS_PER_IU,\
-                                    x * DECIMILS_PER_IU )
-#define MM_GRID( x )   wxRealPoint( x * MM_PER_IU,\
-                                    x * MM_PER_IU )
+#define DMIL_GRID( x ) wxRealPoint( x * IU_PER_DECIMILS,\
+                                    x * IU_PER_DECIMILS )
+#define MM_GRID( x )   wxRealPoint( x * IU_PER_MM,\
+                                    x * IU_PER_MM )
 
 
 /**
@@ -118,5 +118,5 @@ GBR_SCREEN::~GBR_SCREEN()
 // virtual function
 int GBR_SCREEN::MilsToIuScalar()
 {
-    return (int)MILS_PER_IU;
+    return (int)IU_PER_MILS;
 }

gerbview/class_gbr_screen.h

@@ -9,7 +9,7 @@
 #include <base_units.h>
 #include <class_pcb_screen.h>
 
-#define ZOOM_FACTOR( x )       ( x * DECIMILS_PER_IU )
+#define ZOOM_FACTOR( x )       ( x * IU_PER_DECIMILS )
 
 
 /* Handle info to display a board */

gerbview/dcode.cpp

@@ -175,8 +175,8 @@ int GERBVIEW_FRAME::ReadDCodeDefinitionFile( const wxString& D_Code_FullFileName
 
 
     /* Updating gerber scale: */
-    double dcode_scale = MILS_PER_IU; // By uniting dCode = mil,
-                                                    // internal unit = MILS_PER_IU
+    double dcode_scale = IU_PER_MILS; // By uniting dCode = mil,
+                                                    // internal unit = IU_PER_MILS
     current_Dcode = 0;
 
     if( D_Code_FullFileName.IsEmpty() )

gerbview/draw_gerber_screen.cpp

@@ -107,7 +107,7 @@ void GERBVIEW_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
     if( IsElementVisible( DCODES_VISIBLE ) )
         DrawItemsDCodeID( DC, GR_COPY );
 
-    TraceWorkSheet( DC, screen, 0, MILS_PER_IU );
+    TraceWorkSheet( DC, screen, 0, IU_PER_MILS );
 
     if( m_canvas->IsMouseCaptured() )
         m_canvas->CallMouseCapture( DC, wxDefaultPosition, false );

gerbview/excellon_read_drill_file.cpp

@@ -432,7 +432,7 @@ bool EXCELLON_IMAGE::Execute_HEADER_Command( char*& text )
         if( dcode == NULL )
             break;
         // conv_scale = scaling factor from inch to Internal Unit
-        double conv_scale = MILS_PER_IU * 1000;
+        double conv_scale = IU_PER_MILS * 1000;
         if( m_GerbMetric )
             conv_scale /= 25.4;
 

gerbview/gerbview_frame.cpp

@@ -411,7 +411,7 @@ void GERBVIEW_FRAME::Liste_D_Codes()
     D_CODE*           pt_D_code;
     wxString          Line;
     wxArrayString     list;
-    double            scale = MILS_PER_IU * 1000;
+    double            scale = IU_PER_MILS * 1000;
     int               curr_layer = getActiveLayer();
 
     for( int layer = 0; layer < 32; layer++ )

gerbview/rs274_read_XY_and_IJ_coordinates.cpp

@@ -21,16 +21,16 @@
 // for metric gerber units, the imperial to metric conversion is made in read functions
 static double scale_list[10] =
 {
-    1000.0 * MILS_PER_IU,
-    100.0 * MILS_PER_IU,
-    10.0 * MILS_PER_IU,
-    1.0 * MILS_PER_IU,
-    0.1 * MILS_PER_IU,
-    0.01 * MILS_PER_IU,
-    0.001 * MILS_PER_IU,
-    0.0001 * MILS_PER_IU,
-    0.00001 * MILS_PER_IU,
-    0.000001 * MILS_PER_IU
+    1000.0 * IU_PER_MILS,
+    100.0 * IU_PER_MILS,
+    10.0 * IU_PER_MILS,
+    1.0 * IU_PER_MILS,
+    0.1 * IU_PER_MILS,
+    0.01 * IU_PER_MILS,
+    0.001 * IU_PER_MILS,
+    0.0001 * IU_PER_MILS,
+    0.00001 * IU_PER_MILS,
+    0.000001 * IU_PER_MILS
 };
 
 
@@ -44,9 +44,9 @@ int scaletoIU( double aCoord, bool isMetric )
     int ret;
 
     if( isMetric )
-        ret = KiROUND( aCoord * MILS_PER_IU / 0.00254 );
+        ret = KiROUND( aCoord * IU_PER_MILS / 0.00254 );
     else
-        ret = KiROUND( aCoord * MILS_PER_IU );
+        ret = KiROUND( aCoord * IU_PER_MILS );
 
     return ret;
 }
@@ -94,9 +94,9 @@ wxPoint GERBER_IMAGE::ReadXYCoord( char*& Text )
             {
                 // When X or Y values are float numbers, they are given in mm or inches
                 if( m_GerbMetric )  // units are mm
-                    current_coord = KiROUND( atof( line ) * MILS_PER_IU / 0.0254 );
+                    current_coord = KiROUND( atof( line ) * IU_PER_MILS / 0.0254 );
                 else    // units are inches
-                    current_coord = KiROUND( atof( line ) * MILS_PER_IU * 1000 );
+                    current_coord = KiROUND( atof( line ) * IU_PER_MILS * 1000 );
             }
             else
             {
@@ -185,9 +185,9 @@ wxPoint GERBER_IMAGE::ReadIJCoord( char*& Text )
             {
                 // When X or Y values are float numbers, they are given in mm or inches
                 if( m_GerbMetric )  // units are mm
-                    current_coord = KiROUND( atof( line ) * MILS_PER_IU / 0.0254 );
+                    current_coord = KiROUND( atof( line ) * IU_PER_MILS / 0.0254 );
                 else    // units are inches
-                    current_coord = KiROUND( atof( line ) * MILS_PER_IU * 1000 );
+                    current_coord = KiROUND( atof( line ) * IU_PER_MILS * 1000 );
             }
             else
             {

gerbview/rs274x.cpp

@@ -160,7 +160,7 @@ bool GERBER_IMAGE::ExecuteRS274XCommand( int       command,
     double   fcoord;
 
     // conv_scale = scaling factor from inch to Internal Unit
-    double   conv_scale = MILS_PER_IU * 1000;
+    double   conv_scale = IU_PER_MILS * 1000;
     if( m_GerbMetric )
         conv_scale /= 25.4;
 
@@ -294,7 +294,7 @@ bool GERBER_IMAGE::ExecuteRS274XCommand( int       command,
             m_GerbMetric = false;
         else if( code == MILLIMETER )
             m_GerbMetric = true;
-        conv_scale = m_GerbMetric ? MILS_PER_IU / 25.4 : MILS_PER_IU;
+        conv_scale = m_GerbMetric ? IU_PER_MILS / 25.4 : IU_PER_MILS;
         break;
 
     case OFFSET:        // command: OFAnnBnn (nn = float number) = layer Offset

include/common.h

@@ -298,8 +298,8 @@ public:
     // Accessors returning "Internal Units (IU)".  IUs are mils in EESCHEMA,
     // and either deci-mils or nanometers in PCBNew.
 #if defined(PCBNEW) || defined(EESCHEMA) || defined(GERBVIEW)
-    int GetWidthIU() const  { return MILS_PER_IU * GetWidthMils();  }
-    int GetHeightIU() const { return MILS_PER_IU * GetHeightMils(); }
+    int GetWidthIU() const  { return IU_PER_MILS * GetWidthMils();  }
+    int GetHeightIU() const { return IU_PER_MILS * GetHeightMils(); }
     const wxSize GetSizeIU() const  { return wxSize( GetWidthIU(), GetHeightIU() ); }
 #endif
 

include/convert_to_biu.h

@@ -20,26 +20,26 @@
 #if defined(PCBNEW) || defined(CVPCB) || defined(GERBVIEW)
     #if defined( USE_PCBNEW_NANOMETRES )
     #if defined(GERBVIEW)
-        #define MM_PER_IU   1e5         // Gerbview uses 10 micrometer.
+        #define IU_PER_MM   1e5         // Gerbview uses 10 micrometer.
     #else
-        #define MM_PER_IU   1e6         // Pcbnew uses nanometers.
+        #define IU_PER_MM   1e6         // Pcbnew uses nanometers.
     #endif
-    #define MILS_PER_IU ( MM_PER_IU * 0.0254 )
-    #define DECIMILS_PER_IU (MM_PER_IU * 0.00254 )
+    #define IU_PER_MILS ( IU_PER_MM * 0.0254 )
+    #define IU_PER_DECIMILS (IU_PER_MM * 0.00254 )
     #else              // Pcbnew in deci-mils.
-        #define DECIMILS_PER_IU  1
-        #define MILS_PER_IU   10.0
-        #define MM_PER_IU   (1e4 / 25.4)
+        #define IU_PER_DECIMILS  1
+        #define IU_PER_MILS   10.0
+        #define IU_PER_MM   (1e4 / 25.4)
     #endif
 
 /// Convert mils to PCBNEW internal units (iu).
 inline int Mils2iu( int mils )
 {
 #if defined( USE_PCBNEW_NANOMETRES )
-    double x = mils * MILS_PER_IU;
+    double x = mils * IU_PER_MILS;
     return int( x < 0 ? x - 0.5 : x + 0.5 );
 #else
-    return mils * MILS_PER_IU;
+    return mils * IU_PER_MILS;
 #endif
 }
 
@@ -47,7 +47,7 @@ inline int Mils2iu( int mils )
 inline int DMils2iu( int dmils )
 {
 #if defined( USE_PCBNEW_NANOMETRES )
-    double x = dmils * DECIMILS_PER_IU;
+    double x = dmils * IU_PER_DECIMILS;
     return int( x < 0 ? x - 0.5 : x + 0.5 );
 #else
     return dmils;
@@ -55,8 +55,8 @@ inline int DMils2iu( int dmils )
 }
 
 #else            // Eeschema and anything else.
-#define MILS_PER_IU   1.0
-#define MM_PER_IU   (MILS_PER_IU / 0.0254)
+#define IU_PER_MILS   1.0
+#define IU_PER_MM   (IU_PER_MILS / 0.0254)
 
 inline int Mils2iu( int mils )
 {

pcbnew/classpcb.cpp

@@ -19,11 +19,11 @@
 #include <pcbnew_id.h>
 
 
-#define ZOOM_FACTOR( x )       ( x * DECIMILS_PER_IU )
-#define DMIL_GRID( x )         wxRealPoint( x * DECIMILS_PER_IU,\
-                                            x * DECIMILS_PER_IU )
-#define MM_GRID( x )           wxRealPoint( x * MM_PER_IU,\
-                                            x * MM_PER_IU )
+#define ZOOM_FACTOR( x )       ( x * IU_PER_DECIMILS )
+#define DMIL_GRID( x )         wxRealPoint( x * IU_PER_DECIMILS,\
+                                            x * IU_PER_DECIMILS )
+#define MM_GRID( x )           wxRealPoint( x * IU_PER_MM,\
+                                            x * IU_PER_MM )
 
 
 /**
@@ -133,7 +133,7 @@ PCB_SCREEN::~PCB_SCREEN()
 
 int PCB_SCREEN::MilsToIuScalar()
 {
-    return (int)MILS_PER_IU;
+    return (int)IU_PER_MILS;
 }
 
 

pcbnew/dialogs/dialog_SVG_print.cpp

@@ -271,7 +271,7 @@ bool DIALOG_SVG_PRINT::DrawPage( const wxString& FullFileName,
     g_DrawBgColor = WHITE;
 
     if( aPrint_Frame_Ref )
-        m_Parent->TraceWorkSheet( &dc, screen, s_Parameters.m_PenDefaultSize, MILS_PER_IU );
+        m_Parent->TraceWorkSheet( &dc, screen, s_Parameters.m_PenDefaultSize, IU_PER_MILS );
 
     m_Parent->PrintPage( &dc, m_PrintMaskLayer, false, &s_Parameters);
     g_DrawBgColor = bg_color;

pcbnew/legacy_plugin.cpp

@@ -2694,7 +2694,7 @@ void LEGACY_PLUGIN::init( PROPERTIES* aProperties )
     // then, during the file loading process, to start a conversion from
     // mm to nanometers.
 
-    diskToBiu = DECIMILS_PER_IU;  // BIUs are nanometers if USE_PCBNEW_NANOMETRES
+    diskToBiu = IU_PER_DECIMILS;  // BIUs are nanometers if USE_PCBNEW_NANOMETRES
                                                 // or BIUs are deci-mils
 }
 

pcbnew/printout_controler.cpp

@@ -181,7 +181,7 @@ void BOARD_PRINTOUT_CONTROLER::DrawPage()
     if( userscale == 0 )                //  fit in page
     {
         // Margin = 10mm
-        int extra_margin = int( 10 * MM_PER_IU );   // deci-mils
+        int extra_margin = int( 10 * IU_PER_MM );   // deci-mils
 
         pageSizeIU.x = bbbox.GetWidth()  + extra_margin * 2;
         pageSizeIU.y = bbbox.GetHeight() + extra_margin * 2;
@@ -212,8 +212,8 @@ void BOARD_PRINTOUT_CONTROLER::DrawPage()
         MapScreenSizeToPaper();
         int w, h;
         GetPPIPrinter( &w, &h );
-        double accurate_Xscale = ( (double) ( DrawZoom * w ) ) / (double) PCB_INTERNAL_UNIT;
-        double accurate_Yscale = ( (double) ( DrawZoom * h ) ) / (double) PCB_INTERNAL_UNIT;
+        double accurate_Xscale = ( (double) ( DrawZoom * w ) ) / (IU_PER_MILS*1000);
+        double accurate_Yscale = ( (double) ( DrawZoom * h ) ) / (IU_PER_MILS*1000);
 
         if( IsPreview() )  // Scale must take in account the DC size in Preview
         {
@@ -275,7 +275,7 @@ void BOARD_PRINTOUT_CONTROLER::DrawPage()
 
     if( m_PrintParams.m_Print_Sheet_Ref )
         m_Parent->TraceWorkSheet( dc, screen, m_PrintParams.m_PenDefaultSize,
-                                  MILS_PER_IU );
+                                  IU_PER_MILS );
 
     if( printMirror )
     {
@@ -317,7 +317,7 @@ void BOARD_PRINTOUT_CONTROLER::DrawPage()
     /* when printing in color mode, we use the graphic OR mode that gives the same look as the screen
      * But because the background is white when printing, we must use a trick:
      * In order to plot on a white background in OR mode we must:
-     * 1 - Plot all items in black, this creates a local black backgroud
+     * 1 - Plot all items in black, this creates a local black background
      * 2 - Plot in OR mode on black "local" background
      */
     if( !m_PrintParams.m_Print_Black_and_White )

pcbnew/specctra_export.cpp

@@ -171,10 +171,10 @@ static inline double scale( int kicadDist )
 #if defined(USE_PCBNEW_NANOMETRES)
 
     // nanometers to um
-    return kicadDist / ( MM_PER_IU / 1000.0 );
+    return kicadDist / ( IU_PER_MM / 1000.0 );
 
     // nanometers to mils
-    // return kicadDist/MILS_PER_IU;
+    // return kicadDist/IU_PER_MILS;
 
 #else
     // deci-mils to mils.
@@ -185,7 +185,7 @@ static inline double scale( int kicadDist )
 /// Convert integer internal units to float um
 static inline double IU2um( int kicadDist )
 {
-    return kicadDist  * (1000.0 / MM_PER_IU);
+    return kicadDist  * (1000.0 / IU_PER_MM);
 }
 
 

pcbnew/tracepcb.cpp

@@ -67,7 +67,7 @@ void FOOTPRINT_EDIT_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
     GRSetDrawMode( DC, GR_COPY );
 
     m_canvas->DrawBackGround( DC );
-    TraceWorkSheet( DC, screen, 0, MILS_PER_IU );
+    TraceWorkSheet( DC, screen, 0, IU_PER_MILS );
 
     // Redraw the footprints
     for( MODULE* module = GetBoard()->m_Modules;  module;  module = module->Next() )
@@ -105,7 +105,7 @@ void PCB_EDIT_FRAME::RedrawActiveWindow( wxDC* DC, bool EraseBg )
 
     m_canvas->DrawBackGround( DC );
 
-    TraceWorkSheet( DC, GetScreen(), g_DrawDefaultLineThickness, MILS_PER_IU );
+    TraceWorkSheet( DC, GetScreen(), g_DrawDefaultLineThickness, IU_PER_MILS );
 
     GetBoard()->Draw( m_canvas, DC, GR_OR | GR_ALLOW_HIGHCONTRAST);