Add basic support for logo insertion in cumulus/plugins.chip.

cumulus/src/plugins/alpha/block/block.py

@@ -333,6 +333,22 @@ class Block ( object ):
                    .format(self.conf.cell.getName()) )
         Block.LUT[ self.conf.cell ] = self
 
+        
+    @staticmethod
+    def abPlace ( instance, transf ):
+        """
+        Place an instance so it is it's abutment box which will be
+        placed at ``transf``. Incomplete implementation for now, only
+        Orientation::ID in ``transf`` is supported.
+        """
+        ab       = instance.getMasterCell().getAbutmentBox()
+        abTransf = Transformation( ab.getXMin(), ab.getYMin(), Transformation.Orientation.ID )
+        abTransf.invert()
+        abTransf.applyOn( transf )
+        instance.setTransformation( transf )
+        instance.setPlacementStatus( Instance.PlacementStatus.FIXED )
+
+
     @staticmethod
     def _getInstance ( cell, pattern, level=0 ):
         """

cumulus/src/plugins/alpha/chip/configuration.py

@@ -91,7 +91,7 @@ class ChipConf ( BlockConf ):
     def __init__ ( self, cell, ioPins=[], ioPads=[] ):
         trace( 550, ',+', 'ChipConf.__init__(): "{}"'.format(cell.getName()) )
         super(ChipConf,self).__init__( cell, ioPins, ioPads )
-#       trace( 550, '\tONE LAMBDA = %s\n' % DbU.getValueString(DbU.fromLambda(1.0)) )
+        #trace( 550, '\tONE LAMBDA = %s\n' % DbU.getValueString(DbU.fromLambda(1.0)) )
         self.validated = True
         # Block Corona parameters (triggers loading from disk).
         self.cfg.chip.padCoreSide          = None
@@ -111,6 +111,7 @@ class ChipConf ( BlockConf ):
         self.coronaCks        = []
         self.blockageNet      = None
         self.padsHavePosition = False
+        self.chipLogos        = []
         trace( 550, '-' )
 
     @property

cumulus/src/plugins/alpha/chip/pads.py

@@ -22,7 +22,8 @@ from   Hurricane    import DbU, Point, Transformation, Interval, Box,   \
                            Path, Occurrence, UpdateSession, Layer,      \
                            BasicLayer, Net, Pin, Contact, Segment, Pad, \
                            Horizontal, Vertical, Diagonal, RoutingPad,  \
-                           Instance, DataBase, NetExternalComponents
+                           Instance, DataBase, NetExternalComponents,   \
+                           Library
 import CRL          
 from   CRL          import RoutingGauge, RoutingLayerGauge
 import helpers      
@@ -30,11 +31,15 @@ from   helpers         import trace, l, u, n, onFGrid
 from   helpers.io      import ErrorMessage, WarningMessage
 from   helpers.overlay import UpdateSession
 import plugins.alpha.chip
+from   plugins.alpha.block.block  import Block
 from   plugins.alpha.block.bigvia import BigVia
 
 plugins.alpha.chip.importConstants( globals() )
 
 
+af = CRL.AllianceFramework.get()
+
+
 # --------------------------------------------------------------------
 # Class  :  "pads.Corner"
 
@@ -1295,6 +1300,7 @@ class Corona ( object ):
             self.eastSide.doLayout()
             self.westSide.doLayout()
             self._placeInnerCorona()
+            self.doLogosLayout()
             self.conf.chip.setRouted( True )
 
     def doPowerLayout ( self ):
@@ -1403,3 +1409,35 @@ class Corona ( object ):
             #    self._supplyToPad( chipNet, coronaNet, axis, North )
             #    self._supplyToPad( chipNet, coronaNet, axis, South )
 
+    def doLogosLayout ( self ):
+        """
+        Add GDS logos layout in the bottom left corner of the chip, if any.
+        """
+        global af
+        print( '  o  Inserting chip logo(s).' )
+        if not len(self.conf.chipLogos): return
+        with UpdateSession():
+            rootLib  = DataBase.getDB().getRootLibrary()
+            logosLib = rootLib.getLibrary( 'Logos' )
+            if not logosLib:
+                print( '     o  Creating GDS Logos library.' )
+                logosLib = Library.create( rootLib, 'LogosLib' )
+                af.wrapLibrary( logosLib, 0 )
+            xLogo     = 0
+            yLogo     = 0
+            rowHeight = 0
+            count     = 0
+            for logo in self.conf.chipLogos:
+                print( '        - GDS Logo "{0}.gds".'.format(logo) )
+                CRL.Gds.load( logosLib, './{}.gds'.format(logo) )
+                logoCell     = logosLib.getCell( 'gds_{}'.format(logo) )
+                logoInstance = Instance.create( self.conf.chip, logo, logoCell )
+                Block.abPlace( logoInstance
+                             , Transformation( xLogo, yLogo, Transformation.Orientation.ID ))
+                xLogo += logoCell.getAbutmentBox().getWidth()
+                rowHeight = max( rowHeight, logoCell.getAbutmentBox().getHeight() )
+                if count % 2:
+                    xLogo = 0
+                    yLogo += rowHeight
+                count += 1
+