added a make_multi_column and variable column shape functiongit add single_column_page.py

asciiWriter/text.py

@@ -1,30 +1,55 @@
 # -*- coding: utf-8 -*-
 from .wrap_single_line import wrap_single_line
+from .utils import translate, merge
 
-def make_column(text, linewidth=50, height=200, use_hyphenator=None):
+def make_column(text, line_width=50, height=200, use_hyphenator=None, line_offset=0):
     
-    lines = []
-    remaining = text
+  lines = []
+  remaining = text
 
-    while remaining and len(lines) < height:
-        # print('remaining:', remaining)
+  while remaining and len(lines) < height:
 
-        if callable(linewidth):
-            width = linewidth(len(lines), height)
-        else:
-            width = linewidth
+      if callable(line_width):
+          width = line_width(len(lines), height)
+      else:
+          width = line_width
 
-        line, remaining = wrap_single_line(remaining, width, use_hyphenator=use_hyphenator, replace_whitespace=False)
-        lines.append(line)
-    
-    return lines, remaining
+      if callable(line_offset):
+          offset = line_offset(len(lines), height)
+      else:
+          offset = line_offset 
 
-# def position_column(column_count, width, text):
-#   def f (x, y, width, height, mark, blank):
-#     for i in range(column_count):
-#       lines, remaining = make_column(linewidth, height, text)
+      line, remaining = wrap_single_line(remaining, width, use_hyphenator=use_hyphenator, replace_whitespace=False, drop_whitespace=True)
   
-#     return f
+      line = list(line)
+
+      if offset != 0:
+        line = [None for _ in range(offset)] + line
+
+      lines.append(line)
+  
+  return lines, remaining
+
+def make_multi_column(text, height=200, column_width=40, column_count=2, column_gap=5, use_hyphenator=None, space_char=None):
+  # todo: vertical offset?
+  
+  remaining = text 
+  i = 0
+
+  columns = []
+
+  while remaining and i < column_count:
+    column, remaining = make_column(remaining, line_width=column_width, height=height, use_hyphenator=use_hyphenator)
+    if i > 0:
+      offset = (column_width + column_gap) * i
+      column = translate(column, x=offset, y=0)
+    columns.append(column)
+    i += 1
+
+  width = (column_width + column_gap) * column_count
+  lines = merge(width, height, space_char, columns)
+  return lines, remaining
+
 
 if __name__ == '__main__':
-  print(make_column('Hello world!', linewidth=25, height=10))
+  print(make_column('Hello world!', line_width=25, height=10))

asciiWriter/utils.py

@@ -17,7 +17,7 @@ def merge(width, height, space_char, layers):
   for layer in layers:
     for y in range(min(len(layer), height)):
       for x in range(min(len(layer[y]), width)):
-        if layer[y][x] != space_char:
+        if layer[y][x] and layer[y][x] != space_char:
           output[y][x] = layer[y][x]
 
   return output
@@ -51,11 +51,11 @@ def print_lines (lines):
   for line in lines:
     stdout.write('{}\n'.format(''.join(line)))
 
-def translate(shape, x=0, y=0, space_char=' '):
+def translate(shape, x=0, y=0):
   ## TODO implement a negative translation?
   translated = [[] for _ in range(y)]
 
   for line in shape:
-    translated.append([space_char for _ in range(x)] + line)
+    translated.append([None for _ in range(x)] + line)
 
   return translated

asciiWriter/wrap_single_line.py

@@ -16,8 +16,6 @@ class TextWrapper(textwrap.TextWrapper):
         super().__init__(*args, **kwargs)
 
     def _wrap_chunks(self, chunks):
-        # print(chunks)
-        # quit()
 
         lines = []
         if (chunks):
@@ -56,7 +54,7 @@ class TextWrapper(textwrap.TextWrapper):
 
           # First chunk on line is whitespace -- drop it, unless this
           # is the very beginning of the text (ie. no lines started yet).
-          if self.drop_whitespace and chunks[-1].strip() == '' and lines:
+          if self.drop_whitespace and chunks[-1].strip() == '' and chunks[-1][0] != '\n': # and lines:
               del chunks[-1]
 
           while chunks:
@@ -130,15 +128,6 @@ def wrap_single_line (text, width=70, **kwargs):
     w = TextWrapper(width=width, **kwargs)
     return w.wrap(text)
 
-
-    # [head, tail] = text.split('\n', 1)
-    # if len(head) > width:
-    #     w = TextWrapper(width=width, **kwargs)
-    #     line, remaining = w.wrap(text)
-    #     return line, remaining + '\n' + tail
-    # else:
-    #     return head, tail
-
 if __name__ == '__main__':
     from hyphen import Hyphenator
     h_en = Hyphenator('en_US')

single_column_page.py

@@ -1,16 +1,16 @@
 #!/usr/bin/env python3
 
-from asciiWriter.text import make_column
-from asciiWriter.utils import merge, print_lines, make_lines
+from asciiWriter.text import make_column, make_multi_column
+from asciiWriter.utils import merge, print_lines, make_lines, translate
 from hyphen import Hyphenator
+import math
 
 # Define width and height of the output
 width = 100
-height = 50
+height = 500
 
 # Import a text
 text = open('texts/language.txt').read()
-print(text)
 
 # Import a hyphenator
 h_en = Hyphenator('en_US')
@@ -18,17 +18,32 @@ h_en = Hyphenator('en_US')
 # Make an empty layers list
 layers = []
 
+def sin_width (line_nr, _):
+  amplitude = 25
+  period = 150 / (math.pi * 2)
+
+  return 50 + math.floor(math.sin(line_nr / period) * amplitude)
+
+def cos_width (line_nr, _):
+  amplitude = 5
+  period = 20 / (math.pi * 2)
+  half_amplitude = amplitude * .5
+
+  return math.floor(half_amplitude + math.cos(line_nr / period) * half_amplitude)
+
 # Transform the text into a column
-lines_column1, remaining = make_column(text, linewidth=30, height=height, use_hyphenator=h_en)
-lines_column2, remaining = make_column(remaining, linewidth=30, height=height, use_hyphenator=h_en)
+lines, remaining = make_column(text, height=height, use_hyphenator=h_en, line_width=sin_width, line_offset=cos_width)
+
+# Transform the text into multiple columns
+# lines, remaining = make_multi_column(text, height=height-3, use_hyphenator=h_en)
+lines = translate(lines, x=15, y=1)
 
 # Create an background
-background = make_lines(width, height, '*')
+background = make_lines(width, height, ' ')
 
 # Add all your layers to the layers list
 layers.append(background)
-layers.append(lines_column1)
-layers.append(lines_column2)
+layers.append(lines)
 
 # Merge the layers into one layer again
 merged = merge(width, height, ' ', layers)