initial commit

VT200

@@ -0,0 +1,28 @@
+[62;0"p F
+P0;0;1;4;1;1{U
+???????/???????;???}???/???A???;?M??M??/???????;g}gg}g?/?B??B??;
+GSS}SS_/?@@B@@?;CIcOGcA/A@??@A@;kQQQk?_/@AAAA@A;??GEA??/???????;
+?wCA???/??@A???;???ACw?/???A@??;OSwOwSO/?@???@?;OOO{OOO/???@???;
+???????/?CB@???;OOOOOOO/???????;???????/??BB???;??_OGCA/A@?????;
+wCAAACw/?@AAA@?;?GC}???/?AABAA?;CaaQQQK/BAAAAAA;AAAQYUa/@AAAAA@;
+_ogca}_/?????B?;]IIIIIq/@AAAAA@;wcQQQQc/@AAAAA@;AAAaQIE/??B????;
+kQQQQQk/@AAAAA@;KQQQQQ{/?AAAAA@;??KK???/??BB???;??KK???/?CB@???;
+O?g?C?A/????@?A;ggggggg/???????;A?C?g?O/A?@????;CAAqIIC/???A???;
+
+w_oGGGo/B?@AAA@;?ggggo?/@AAAA@A;_QUYYQa/@AAAAA@;w????w?/@AAA@@E;
+cQQQQQ{/@AAAAA@;ogggggo/@AAAAA?;_OOwOO_/?@@B@@?;?gggggO/@AAAAAA;
+G?O_O?G/A?@?@?A;w????w?/@AAA@BA;w??C?w?/@AAA@BA;w___OOG/B???@@A;
+??oGGGw/AA@???B;wO___Ow/B??@??B;w_____w/B?????B;oGGGGGo/@AAAAA@;
+wOGGGo?/B????BA;Ogggggw/AA@???B;wGGGGGo/F@@@@@?;oGGGGGO/@AAAAA@;
+GGGwGGG/???B???;w?????w/CDDDDDB;GO_w_OG/A@?B?@A;{QQYSO_/@AAAAA@;
+w_____?/BAAAAA@;w___??w/BAAA@?B;OGGgggO/@AAAAA@;w??w??w/BAABAAB;
+OGGgggo/@AAAAA@;w??w??w/BAABAAF;w_____w/??????B;GGw___?/??BAAA@;
+
+}O{AAA{/B?@AAA@;ogcaaa}/B?????B;}QQQQQa/BAAAAA@;}????}?/BAAAABE;
+?{AAA}?/EBAAABE;}QQQQQQ/BAAAAAA;wCC}CCw/?@@B@@?;}AAAAAA/B??????;
+E?gOg?E/B?????B;}?_OGC}/B@????B;}?_RHC}/B@????B;}OOOggE/B?????B;
+oGCAAA}/B?????B;}CGoGC}/B?????B;}_____}/B?????B;{AAAAA{/@AAAAA@;
+}AAAAA}/B?????B;KQqQQQ}/A@????B;}aaaaa[/B??????;{AAAAAA/@AAAAAA;
+EAA}AAE/???B???;MOOOOO}/@AAAAA@;EgO}OgE/B??B??B;}QQQQ[_/BAAAAA@;
+}OOOOO_/BAAAAA@;}OOO_?}/BAAA@?B;CAAQQQk/@AAAAA@;}??}??}/BAABAAB;
+AAQQQQ{/AAAAAA@;}??}??}/BAABAAF;]OOOOO}/??????B/)U~

vtparse.py

@@ -0,0 +1,98 @@
+import os
+import sys
+import re
+import png
+
+def tobin(x, count=8):
+        """
+        Integer to binary
+        Count is number of bits
+        """
+        return "".join(map(lambda y:str((x>>y)&1), range(count-1, -1, -1)))
+
+def chartosixel(c):
+    return ord(c) - 077
+
+#  7x10 char matrix
+class vtchar:
+    m = []
+    charcode = 0
+
+    def __init__(self, code):
+        self.m = [' ' for x in range(7*10)]
+        self.charcode = code
+
+    def sixel(self, nsixel, topbottom, c):
+        bits = chartosixel(c)
+        rang3 = range(6 - 2*topbottom)
+        for b in rang3:
+            bit = (bits>>b) & 001
+            self.m[(topbottom*6+b)*7 + nsixel] = '01'[bit]
+
+    def sixelpack(self, spair):
+        sp = spair.strip().split('/')
+        for tb in [0,1]:
+            for sc in range(7):
+                self.sixel(sc,tb,sp[tb][sc])
+
+    def dump(self):
+        i = 0
+        for c in self.m:
+            print c,
+            i = i + 1
+            if i % 7 == 0: print('\n')
+
+    def writepng(self):
+        # pack
+        s=[]
+        i = 0
+        b = 0
+        for c in self.m:
+            i = i + 1
+            b = b | (int(c)<<(9-((i-1)%7)))
+            if i % 7 == 0: 
+                b = b | (b>>1)
+                s.append(tobin(~b,10))
+                s.append(tobin(~0,10))
+                b = 0
+        s = map(lambda x: map(int, x), s)
+        
+        f = open('u%04x.png'%self.charcode, 'wb')
+        w = png.Writer(len(s[0]), len(s), greyscale=True, bitdepth=1)
+        w.write(f, s)
+        f.close()
+
+
+
+print 'Opening file "VT200"...'
+try:
+    text = open('VT200').read().replace('\n', ' ')
+except:
+    print "error"
+    sys.exit(1)
+
+fontdef = re.compile('.*\033P([0-9]\;){5}[0-9]\{\s*[A-Za-z]+\s+(?P<sixels>[^\033]*)\033\/')
+try:
+    sixels = fontdef.match(text).expand('\g<sixels>')
+except:
+    print "VT200 doesn't seem to contain character definitions"
+    sys.exit(2)
+
+test=False
+if test:
+    v = vtchar(0)
+    #v.sixelpack('~~~~~~~/~~~~~~~')
+    #v.dump()
+    v.sixelpack('ogcacgo/B?????B')
+    v.dump()
+    v.writepng()
+    sys.exit(0)
+
+charcode = 1024
+for chardef in sixels.split(';'):
+    v=vtchar(charcode)
+    v.sixelpack(chardef)
+    #v.dump()
+    v.writepng()
+    charcode = charcode + 1
+