Adding codegen tools

codegen/font.py

@@ -0,0 +1,92 @@
+#!/usr/bin/python3
+
+import sys
+from matrix import Vector
+
+glyphname = ["space", "exclamation", "hash", "dollar", "percent", "ampersand"
+             "quotestart", "leftparentes", "rigtparentes", "star", "plus", "comma",
+             "hyphen", "dot", "slash", "zero", "one", "two", "three", "four", "five",
+             "six", "seven", "eight", "nine", "colon", "semicolon", "lessthan", 
+             "equals", "biggerthan", "questionmark", "at", "p2", "p3", "capa", "capb", "capc",
+             "capd", "cape", "capf", "capg", "caph", "capi", "capj", "capk", "capl",
+             "capm", "capn", "capo", "capp", "capq", "capr", "caps", "capt", "capu",
+             "capv", "capw", "capx", "capy", "capz", "bracketleft", "backslash", 
+             "bracketright", "uparrow", "underscore", "quoteend", "a", "b", "c", "d",
+             "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r",
+             "s", "t", "u", "v", "w", "x", "y", "z", "curlystart", "verticalbar",
+             "curlyend", "tilde", "p1"]
+
+def char2value (c):
+    return ord(c) - ord('R')
+
+def read_hershey (l):
+    #
+    # Format is like this:
+    #   '  700 18H\QFNGLJKOKRLWNZQ[S[VZXWYRYOXJVGSFQF'
+    #       ^  ^^  |---- coordinates ---------------|
+    #       |  |  
+    #       |  |                      
+    #       |  Number of coordinates
+    #       Character Identifier - not ASCII
+    points = list()
+    ident = int(l[0:5])
+    coords = int(l[5:8])
+    left = char2value(l[8])
+    right = char2value(l[9])
+    vdata = l[10:]
+    for t in vdata.split(" R"):
+        c = iter(t)
+        points.append(list())
+        for x in c:
+            y = next(c)
+            points[-1].append((char2value(x), -char2value(y)))
+    return (ident, left, right, points)
+
+def glyph_map (file):
+    m = dict()
+    f = open(file, "r")
+    i = 0
+    for line in f:
+        (ident, left, right, coords) = read_hershey(line.rstrip("\n"))
+        m[glyphname[i]] = (left, right, coords)
+        i = i + 1
+    return m
+
+def typeset(glyphmap, idents):
+   vectors = list()
+   offset = 0
+   for i in idents:
+       (left, right, coords) = glyphmap[i]
+       xlate = offset - left
+       for v in coords:
+           vectors.append(list(map(lambda c: Vector(c[0]+offset, c[1]), v)))
+       offset = offset + right - left
+   return vectors, offset
+
+#
+# lines: array of array of Vector 
+def toKotlin(lines, stroke, color):
+   def accumulative_range(vv):
+      offset = 0
+      for v in vv:
+         yield range(offset, offset+len(v))
+         offset = offset + len(v)
+
+   return  "   Design(listOf({}),\n    listOf({}))".format(
+        ",\n    ".join(map(lambda l: ", ".join(map(lambda v: "Vector({}F, {}F)".format(v.x, v.y), l)), lines)),
+        ",\n           ".join(map(lambda t: "Design.Trace(listOf({}), {}, {})".format(", ".join(map(str, t)), stroke, color), accumulative_range(lines))))
+
+
+def main():
+    f = open("rowmand.jhf", "r")
+    number = 0
+    for line in f:
+        (_, left, right, coords) = read_hershey(line.rstrip('\n'))
+        coords_text = "listOf(" + ", ".join(map(lambda cv : "listOf(" + ", ".join(map(lambda c : "Vector({}F, {}F)".format(c[0]/10, c[1]/10), cv)), coords)) + ")"
+        print("val glyph_{} = \n   Glyph({}, {}, {})".format(glyphname[number], coords_text, left, right))
+        number = number + 1
+          
+
+
+if __name__ == "__main__":
+    main()