From 2ed6b905519cd9b6beaaaf08f8c23cf632b97fae Mon Sep 17 00:00:00 2001
From: "yusuke.shinyama.dummy"
 <yusuke.shinyama.dummy@1aa58f4a-7d42-0410-adbc-911cccaed67c>
Date: Sat, 3 Oct 2009 04:36:54 +0000
Subject: [PATCH] text rotation handling fixed.

git-svn-id: https://pdfminerr.googlecode.com/svn/trunk/pdfminer@137 1aa58f4a-7d42-0410-adbc-911cccaed67c
---
 pdfminer/layout.py    |  9 ++++-----
 pdfminer/pdfdevice.py | 17 ++++++++++-------
 pdfminer/pdfinterp.py |  2 +-
 pdfminer/utils.py     |  2 +-
 4 files changed, 16 insertions(+), 14 deletions(-)

diff --git a/pdfminer/layout.py b/pdfminer/layout.py
index bbbda88..de6c452 100644
--- a/pdfminer/layout.py
+++ b/pdfminer/layout.py
@@ -266,29 +266,28 @@ class LTTextItem(LayoutItem, LTText):
     assert chars
     self.matrix = matrix
     self.font = font
-    (_,_,_,_,tx,ty) = self.matrix
-    self.vertical = self.font.is_vertical()
+    self.vertical = font.is_vertical()
     self.text = ''.join( char for (char,_) in chars )
     adv = sum( font.char_width(cid) for (_,cid) in chars )
     adv = (adv * fontsize + len(chars)*charspace) * scaling
     #size = (font.get_ascent() - font.get_descent()) * fontsize
     size = font.get_size() * fontsize
+    (_,_,_,_,tx,ty) = self.matrix
     if not self.vertical:
       # horizontal text
-      self.vertical = False
+      self.adv = (adv, 0)
       (dx,dy) = apply_matrix_norm(self.matrix, (adv,size))
       (_,descent) = apply_matrix_norm(self.matrix, (0,font.get_descent() * fontsize))
       ty += descent
-      self.adv = (dx, 0)
       bbox = (tx, ty, tx+dx, ty+dy)
     else:
       # vertical text
+      self.adv = (0, adv)
       (_,cid) = chars[0]
       (_,disp) = apply_matrix_norm(self.matrix, (0, (1000-font.char_disp(cid))*fontsize*.001))
       (dx,dy) = apply_matrix_norm(self.matrix, (size,adv))
       tx -= dx/2
       ty += disp
-      self.adv = (0, dy)
       bbox = (tx, ty+dy, tx+dx, ty)
     self.fontsize = max(apply_matrix_norm(self.matrix, (size,size)))
     LayoutItem.__init__(self, bbox)
diff --git a/pdfminer/pdfdevice.py b/pdfminer/pdfdevice.py
index 0df67bd..03242f4 100644
--- a/pdfminer/pdfdevice.py
+++ b/pdfminer/pdfdevice.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 
 import sys
-from pdfminer.utils import mult_matrix, translate_matrix, apply_matrix_norm
+from pdfminer.utils import mult_matrix, translate_matrix
 from pdfminer.pdffont import PDFUnicodeNotDefined
 
 
@@ -78,9 +78,11 @@ class PDFTextDevice(PDFDevice):
                                     fontsize, charspace, scaling, chars)
         x += dx
         y += dy
-        (dx,dy) = apply_matrix_norm(matrix, (-obj*dxscale,0))
-        x += dx
-        y += dy
+        d = -obj*dxscale
+        if font.is_vertical():
+          y += d
+        else:
+          x += d
         chars = []
       else:
         for cid in font.decode(obj):
@@ -95,9 +97,10 @@ class PDFTextDevice(PDFDevice):
                                         fontsize, charspace, scaling, chars)
             x += dx
             y += dy
-            (dx,dy) = apply_matrix_norm(matrix, (wordspace,0))
-            x += dx
-            y += dy
+            if font.is_vertical():
+              y += wordspace
+            else:
+              x += wordspace
             chars = []
     if chars:
       (dx,dy) = self.render_chars(translate_matrix(matrix, (x,y)), font,
diff --git a/pdfminer/pdfinterp.py b/pdfminer/pdfinterp.py
index c666744..7982c62 100644
--- a/pdfminer/pdfinterp.py
+++ b/pdfminer/pdfinterp.py
@@ -12,7 +12,7 @@ from pdfminer.psparser import PSException, PSTypeError, PSEOF, \
 from pdfminer.pdftypes import PDFException, PDFStream, PDFObjRef, \
      resolve1, int_value, float_value, num_value, \
      str_value, list_value, dict_value, stream_value
-from pdfminer.utils import choplist, mult_matrix, translate_matrix, MATRIX_IDENTITY
+from pdfminer.utils import choplist, mult_matrix, MATRIX_IDENTITY
 from pdfminer.pdffont import PDFFontError, PDFType1Font, PDFTrueTypeFont, PDFType3Font, PDFCIDFont
 from pdfminer.pdfparser import PDFDocument, PDFParser, PDFPasswordIncorrect
 from pdfminer.pdfcolor import PDFColorSpace, PREDEFINED_COLORSPACE, \
diff --git a/pdfminer/utils.py b/pdfminer/utils.py
index 75e65b6..42aeef5 100644
--- a/pdfminer/utils.py
+++ b/pdfminer/utils.py
@@ -13,7 +13,7 @@ def mult_matrix((a1,b1,c1,d1,e1,f1), (a0,b0,c0,d0,e0,f0)):
           a0*e1+c0*f1+e0, b0*e1+d0*f1+f0)
 
 def translate_matrix((a,b,c,d,e,f), (x,y)):
-  return (a,b,c,d,e+x,f+y)
+  return (a,b,c,d,x*a+y*c+e,x*b+y*d+f)
   
 def apply_matrix_pt((a,b,c,d,e,f), (x,y)):
   '''Applies a matrix to a point.'''