First Commit

libraries/ssd1306/tools/modules/glcdsource.py

@@ -0,0 +1,85 @@
+# -*- coding: UTF-8 -*-
+#    MIT License
+#
+#    Copyright (c) 2018, Alexey Dynda
+#
+#    Permission is hereby granted, free of charge, to any person obtaining a copy
+#    of this software and associated documentation files (the "Software"), to deal
+#    in the Software without restriction, including without limitation the rights
+#    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#    copies of the Software, and to permit persons to whom the Software is
+#    furnished to do so, subject to the following conditions:
+#
+#    The above copyright notice and this permission notice shall be included in all
+#    copies or substantial portions of the Software.
+#
+#    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+#    SOFTWARE.
+#
+###################################################################################
+#
+
+import os
+import sys
+import re
+import codecs
+from . import fontcontainer
+
+class GLCDSource(fontcontainer.FontContainer):
+
+    def __init__(self, filename, size, enc):
+        fontcontainer.FontContainer.__init__(self, filename, size)
+        if enc is None:
+            with open(filename) as f:
+                content = f.readlines()
+        else:
+            with codecs.open(filename,'r',encoding=enc) as f:
+                content = f.readlines()
+
+        self.add_group()
+        for line in content:
+            bytes_str = line.split(', ')
+            m = re.search(r'(const unsigned short)\s+(.+?)(\d+)x(\d+)', line)
+            if m is not None:
+                width = int(m.group(3))
+                height = int(m.group(4))
+                self.first_char = 32
+                self._origin_name = "%s" % (m.group(2))
+            elif len(bytes_str) >= 3:
+                # convert line with data
+                bytes = []
+                for e in bytes_str:
+                   if e.find("//") < 0:
+                       bytes.append( int(e, 16) )
+                   else:
+                       if re.search(r'0x\d{2}', e) is not None:
+                           bytes.append( int(e[:4], 16) )
+                       m = re.search(r'char\s(.\w*)', e)
+                       if m is not None:
+                           char = m.group(1)
+                           if char == "BackSlash":
+                               char = "\\"
+                           if len(self.get_group_chars()) == 0:
+                               self.first_char = ord(char[0])
+                       else:
+                           print("Parsing error")
+                           exit(1)
+                # Cast bitmap from parsed data
+                bitmap=[]
+                for y in range(height):
+                   bitmap.append( [] )
+                   for x in range(width):
+                       row = y / 8 + x * ((height + 7) / 8) + 1
+                       bit = y % 8
+                       bitmap[y].append( (bytes[row] >> bit) & 0x01 )
+                # Add new char
+                self.add_char(0, char, source=bytes,\
+                                       bitmap=bitmap,\
+                                       width=width,\
+                                       height=height)
+        self._commit_updates()