From c739892e5b8093ad04d89d97d38de7f455f4f400 Mon Sep 17 00:00:00 2001
From: Andrey Golovizin <ag@sologoc.com>
Date: Sat, 30 Aug 2014 21:00:47 +0200
Subject: [PATCH] Add Page.leftmost_nonblank and Line.indent.

---
 pixelocr/page.py | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pixelocr/page.py b/pixelocr/page.py
index 5db0b72..cc0e384 100644
--- a/pixelocr/page.py
+++ b/pixelocr/page.py
@@ -114,6 +114,11 @@ class Page(PageObject):
     def lines(self):
         return self._merge_lines(self._iter_lines())
 
+    @cached_property
+    def leftmost_nonblank(self):
+        """X coordinate of the leftmost non-blank pixel."""
+        return min(line.glyphs[0].left for line in self.lines)
+
     def _iter_lines(self):
         line_start = None
         prev_line_end = 0
@@ -174,6 +179,10 @@ class Line(PageObject):
         bottom = np.argmin(gradient) + skip
         return self.y + bottom
 
+    @cached_property
+    def indent(self):
+        return self.glyphs[0].left - self.page.leftmost_nonblank
+
     @cached_property
     @collect_iterable
     def glyphs(self):