Re-organize font loading to work on windows. Add option to disable image autorotation. Fix possible bug with image processing.

src/libprs500/__init__.py

@@ -33,7 +33,7 @@ You may have to adjust the GROUP and the location of the rules file to
 suit your distribution.
 """
 
-__version__   = "0.3.33"
+__version__   = "0.3.34"
 __docformat__ = "epytext"
 __author__    = "Kovid Goyal <kovid@kovidgoyal.net>"
 

src/libprs500/ebooks/lrf/fonts/__init__.py

@@ -12,7 +12,8 @@
 ##    You should have received a copy of the GNU General Public License along
 ##    with this program; if not, write to the Free Software Foundation, Inc.,
 ##    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
-import pkg_resources
+import pkg_resources, sys, os
+
 try:
     from PIL import ImageFont
 except ImportError:
@@ -22,19 +23,29 @@ except ImportError:
 Default fonts used in the PRS500
 '''
 FONT_MAP = {
-            'Swis721 BT Roman'     : 'tt0003m_.ttf',
-            'Dutch801 Rm BT Roman' : 'tt0011m_.ttf',
-            'Courier10 BT Roman'   : 'tt0419m_.ttf'
+            'Swis721 BT Roman'     : 'prs500/tt0003m_.ttf',
+            'Dutch801 Rm BT Roman' : 'prs500/tt0011m_.ttf',
+            'Courier10 BT Roman'   : 'prs500/tt0419m_.ttf'
             }
 
+def get_font_path(name):
+    name = name.replace('/', os.path.sep)
+    if hasattr(sys, 'frozen'):
+        src = os.path.dirname(sys.executable)+os.path.sep+'fonts'+os.path.sep+name
+    else:
+        src = pkg_resources.resource_filename('libprs500.ebooks.lrf.fonts', name)
+    return src
+    
+
 def get_font(name, size, encoding='unic'):
     '''
     Get an ImageFont object by name. 
     @param size: Font height in pixels. To convert from pts:
                  sz in pixels = (dpi/72) * size in pts
     @param encoding: Font encoding to use. E.g. 'unic', 'symbol', 'ADOB', 'ADBE', 'aprm'
+    @param manager: A dict that will store the PersistentTemporary
     '''
     if name in FONT_MAP.keys():
-        path = pkg_resources.resource_filename('libprs500.ebooks.lrf.fonts', FONT_MAP[name])
+        path = get_font_path(FONT_MAP[name])
         return ImageFont.truetype(path, size, encoding=encoding)
         

src/libprs500/ebooks/lrf/html/convert_from.py

@@ -247,7 +247,8 @@ class HTMLConverter(object):
                  chapter_regex=re.compile('chapter|book|appendix', re.IGNORECASE),
                  link_exclude=re.compile('$'), 
                  page_break=re.compile('h[12]', re.IGNORECASE),
-                 profile=PRS500_PROFILE, hide_broken_links=False):
+                 profile=PRS500_PROFILE, hide_broken_links=False,
+                 disable_autorotation=False):
         '''
         Convert HTML file at C{path} and add it to C{book}. After creating
         the object, you must call L{self.process_links} on it to create the links and
@@ -307,6 +308,7 @@ class HTMLConverter(object):
         self.rotated_images = {}  #: Temporary files with rotated version of images        
         self.max_link_levels = max_link_levels #: Number of link levels to process recursively
         self.link_level  = link_level  #: Current link level
+        self.disable_autorotation = disable_autorotation
         self.blockquote_style = book.create_block_style(sidemargin=60, 
                                                         topskip=20, footskip=20)
         self.unindented_style = book.create_text_style(parindent=0)
@@ -577,7 +579,8 @@ class HTMLConverter(object):
                                      chapter_regex=self.chapter_regex,
                                      link_exclude=self.link_exclude,
                                      page_break=self.page_break,
-                                     hide_broken_links=self.hide_broken_links)
+                                     hide_broken_links=self.hide_broken_links,
+                                     disable_autorotation=self.disable_autorotation)
                         HTMLConverter.processed_files[path] = self.files[path]
                     except Exception:
                         print >>sys.stderr, 'Unable to process', path
@@ -758,7 +761,7 @@ class HTMLConverter(object):
             self.scaled_images[path] = pt
             return pt.name
         
-        if width > self.profile.page_width and width > height:
+        if not self.disable_autorotation and width > self.profile.page_width and width > height:
             pt = PersistentTemporaryFile(suffix='.jpeg')
             im = im.rotate(-90)
             im.convert('RGB').save(pt, 'JPEG')
@@ -813,7 +816,7 @@ class HTMLConverter(object):
             self.current_page.append(Canvas(width=self.profile.page_width,
                                             height=height))
             left = int(floor((self.profile.page_width - width)/2.))
-            self.current_page.contents[0].put_object(ImageBlock(self.images[path]),
+            self.current_page.contents[-1].put_object(ImageBlock(self.images[path]),
                                                   left, 0)
     
     def parse_tag(self, tag, parent_css):
@@ -1155,7 +1158,8 @@ def process_file(path, options):
                              chapter_detection=options.chapter_detection,
                              chapter_regex=re.compile(options.chapter_regex, re.IGNORECASE),
                              link_exclude=re.compile(le), page_break=pb,
-                             hide_broken_links=not options.show_broken_links)
+                             hide_broken_links=not options.show_broken_links,
+                             disable_autorotation=options.disable_autorotation)
         conv.process_links()
         oname = options.output
         if not oname:
@@ -1221,12 +1225,15 @@ def parse_options(argv=None, cli=True):
     parser = option_parser("""usage: %prog [options] mybook.[html|rar|zip]
 
          %prog converts mybook.html to mybook.lrf""")
-    parser.add_option('--cover', action='store', dest='cover', default=None, \
+    laf = parser.add_option_group('LOOK AND FEEL')
+    laf.add_option('--cover', action='store', dest='cover', default=None, \
                       help='Path to file containing image to be used as cover')
-    parser.add_option('--font-delta', action='store', type='int', default=0, \
+    laf.add_option('--font-delta', action='store', type='int', default=0, \
                       help="""Increase the font size by 2 * FONT_DELTA pts. 
                       If FONT_DELTA is negative, the font size is decreased.""",
                       dest='font_delta')
+    laf.add_option('--disable-autorotation', action='store_true', default=False, 
+                   help='Disable autorotation of images.', dest='disable_autorotation')
     link = parser.add_option_group('LINK PROCESSING OPTIONS')
     link.add_option('--link-levels', action='store', type='int', default=sys.maxint, \
                       dest='link_levels',

src/libprs500/ebooks/lrf/html/demo/demo.html

@@ -18,7 +18,7 @@
     <li><a href='#text'>Text formatting and ruled lines</a></li>
     <li><a href='#images'>Inline images</a></li>
     <li><a href='#recursive'>Recursive link following</a></li>
-    <!--<li><a href='demo_ext.html'>The HTML used to create this file</a>-->
+    <li><a href='demo_ext.html'>The HTML used to create this file</a>
  </ul>
 
  <h2><a name='lists'>Lists</a></h2>
@@ -62,6 +62,10 @@
  </p>
  <br/>
  <p>
+ Not that if you have custom fonts on your reader, the table may not be properly aligned.
+ </p>
+ <br />
+ <p>
  The table conversion code is very new and likely to be swarming with bugs, so please report them at <br/><font name="monospace>https://libprs500.kovidgoyal.net/newticket</font>
  </p>
  <br/>

src/libprs500/ebooks/lrf/pylrs/pylrs.py

@@ -2313,7 +2313,7 @@ class ImageBlock(LrsObject, LrsContainer, LrsAttributes):
 
 
 class Font(LrsContainer):
-    """ Allows a TrueType file to embedded in an Lrf. """
+    """ Allows a TrueType file to be embedded in an Lrf. """
     def __init__(self, filename, facename):
         LrsContainer.__init__(self, [])
         _checkExists(filename)