Changeset 34

Timestamp:

02/21/08 11:17:22 (4 years ago)

Author:

erik

Message:

Base object for font level postscript hint data such as the blue values and stems. See RF and FL modules for actual implementation.

Files:

• trunk/robofab/Lib/robofab/objects/objectsBase.py (modified) (1 diff)

trunk/robofab/Lib/robofab/objects/objectsBase.py

@@ -34 +34 @@
-
-DEGREE = 180 / math.pi
+
+
+
+# the key for the postscript hint data stored in the UFO
+postScriptHintDataLibKey = "org.robofab.postScriptHintData"
+
+
+class BasePostScriptFontHintValues(object):
+        """ Base class for font-level postscript hinting information.
+                Blues values, stem values.
+        """
+        
+        _attrs = {
+                # some of these values can have only a certain number of elements
+                'blueFuzz':     {'default': None, 'max':1},
+                'blueScale':    {'default': None, 'max':1},
+                'blueShift':    {'default': None, 'max':1},
+                'forceBold':    {'default': None, 'max':1},
+                'blueValues':   {'default': None, 'max':13},
+                'otherBlues':   {'default': None, 'max':9},
+                'familyBlues':  {'default': None, 'max':13},
+                'familyOtherBlues': {'default': None, 'max':9},
+                'vStems':               {'default': None, 'max':11},
+                'hStems':               {'default': None, 'max':11},
+                }
+                
+        def __init__(self):
+                for name in self._attrs.keys():
+                        setattr(self, name, self._attrs[name])
+                
+        def getParent(self):
+                """this method will be overwritten with a weakref if there is a parent."""
+                return None
+
+        def setParent(self, parent):
+                import weakref
+                self.getParent = weakref.ref(parent)
+
+        def fromDict(self, data):
+                for name in self._attrs:
+                        if name in data:
+                                setattr(self, name, data[name])
+        
+        def asDict(self):
+                d = {}
+                for name in self._attrs:
+                        try:
+                                value = getattr(self, name)
+                        except AttributeError:
+                                print "%s attribute not supported"%name
+                                continue
+                        if value is not None or not value:
+                                d[name] = getattr(self, name)
+                return d
+        
+        def __repr__(self):
+                return "<PostScript Font Hints Values>"
-
-