From 85717371d6f869d2d78459f3c0a266fbb6a6621e Mon Sep 17 00:00:00 2001
From: chrys <chrys87@web.de>
Date: Sun, 9 Jul 2017 23:27:54 +0200
Subject: [PATCH] autoencoding WIP

---
 play zone/charmapTTY.py               |  6 +-
 src/fenrir/screenDriver/vcsaDriver.py | 79 +++++++++++++++++++++++++++
 2 files changed, 82 insertions(+), 3 deletions(-)

diff --git a/play zone/charmapTTY.py b/play zone/charmapTTY.py
index d0ea9296..92831055 100755
--- a/play zone/charmapTTY.py	
+++ b/play zone/charmapTTY.py	
@@ -5,7 +5,7 @@
 #https://github.com/jwilk/vcsapeek/blob/master/linuxvt.py
 #blink = 5 if attr & 1 else 0
 #bold = 1 if attr & 16 else 0
-from fcntl import ioctl
+import fcntl
 from array import array
 import struct
 import errno
@@ -23,7 +23,7 @@ cols = int(head[1])
 GIO_UNIMAP = 0x4B66
 VT_GETHIFONTMASK = 0x560D
 himask = array("H", (0,))
-ioctl(tty, VT_GETHIFONTMASK, himask)
+fcntl.ioctl(tty, VT_GETHIFONTMASK, himask)
 hichar, = struct.unpack_from("@H", himask)
 
 sz = 512
@@ -32,7 +32,7 @@ while True:
     try:
         unipairs = array("H", [0]*(2*sz))
         unimapdesc = array("B", struct.pack("@HP", sz, unipairs.buffer_info()[0]))
-        ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
+        fcntl.ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
         break
     except IOError as e:
         if e.errno != errno.ENOMEM:
diff --git a/src/fenrir/screenDriver/vcsaDriver.py b/src/fenrir/screenDriver/vcsaDriver.py
index 333f738e..67d633cf 100644
--- a/src/fenrir/screenDriver/vcsaDriver.py
+++ b/src/fenrir/screenDriver/vcsaDriver.py
@@ -3,6 +3,13 @@
 
 # Fenrir TTY screen reader
 # By Chrys, Storm Dragon, and contributers.
+#attrib:
+#http://rampex.ihep.su/Linux/linux_howto/html/tutorials/mini/Colour-ls-6.html
+#0 = black, 1 = blue, 2 = green, 3 = cyan, 4 = red, 5 = purple, 6 = brown/yellow, 7 = white. 
+#https://github.com/jwilk/vcsapeek/blob/master/linuxvt.py
+#blink = 5 if attr & 1 else 0
+#bold = 1 if attr & 16 else 0
+
 
 import difflib
 import re
@@ -13,10 +20,82 @@ import termios
 import time
 import select
 import dbus
+import fcntl
+from array import array
+import struct
+import errno
+import sys
 from core import debug
 from core.eventData import fenrirEventType
 from utils import screen_utils
 
+
+'''
+ttyno = 4 
+tty = open('/dev/tty%d' % ttyno, 'rb')
+vcs = open('/dev/vcsa%d' % ttyno, 'rb')
+
+head = vcs.read(4)
+rows = int(head[0])
+cols = int(head[1])
+
+
+GIO_UNIMAP = 0x4B66
+VT_GETHIFONTMASK = 0x560D
+himask = array("H", (0,))
+fcntl.ioctl(tty, VT_GETHIFONTMASK, himask)
+hichar, = struct.unpack_from("@H", himask)
+
+sz = 512
+line = ''
+while True:
+    try:
+        unipairs = array("H", [0]*(2*sz))
+        unimapdesc = array("B", struct.pack("@HP", sz, unipairs.buffer_info()[0]))
+        fcntl.ioctl(tty.fileno(), GIO_UNIMAP, unimapdesc)
+        break
+    except IOError as e:
+        if e.errno != errno.ENOMEM:
+            raise
+        sz *= 2
+
+tty.close()
+
+ncodes, = struct.unpack_from("@H", unimapdesc)
+utable = struct.unpack_from("@%dH" % (2*ncodes), unipairs)
+
+charmap = {}
+for u, b in zip(utable[::2], utable[1::2]):
+    if charmap.get(b) is None:
+        charmap[b] = u
+
+allText = []
+allAttrib = []
+for y in range(rows):
+    lineText = ''
+    lineAttrib = []
+    for x in range(cols):
+        data = vcs.read(2)
+        (sh,) = struct.unpack("=H", data)
+        attr = (sh >> 8) & 0xFF
+        ch = sh & 0xFF
+        if hichar == 0x100:
+            attr >>= 1
+        lineAttrib.append(attr)             
+        ink = attr & 0x0F
+        paper = (attr>>4) & 0x0F
+        if (ink != 7) or (paper != 0):
+            print(ink,paper)
+        if sh & hichar:
+            ch |= 0x100
+        lineText += chr(charmap.get(ch, u'?'))
+    allText.append(lineText)
+    allAttrib.append(lineAttrib)
+
+print(allText)
+print(allAttrib)
+'''
+
 class driver():
     def __init__(self):
         self.vcsaDevicePath = '/dev/vcsa'