Fix bug #3124: Do not use base font size when disable font rescaling is set in LRF output. Add txt_input files to the tree.

src/calibre/ebooks/lrf/output.py

@@ -38,6 +38,9 @@ class LRFOptions(object):
         self.use_metadata_cover = True
         self.output = output
         self.ignore_tables = opts.linearize_tables
+        if opts.disable_font_rescaling:
+            self.base_font_size = 0
+        else:
             self.base_font_size = opts.base_font_size
         self.blank_after_para = opts.insert_blank_line
         self.use_spine = True

src/calibre/gui2/convert/txt_input.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+
+__license__ = 'GPL 3'
+__copyright__ = '2009, John Schember <john@nachtimwald.com>'
+__docformat__ = 'restructuredtext en'
+
+from calibre.gui2.convert.txt_input_ui import Ui_Form
+from calibre.gui2.convert import Widget
+
+class PluginWidget(Widget, Ui_Form):
+
+    TITLE = _('TXT Input')
+    HELP = _('Options specific to')+' TXT '+_('input')
+
+    def __init__(self, parent, get_option, get_help, db=None, book_id=None):
+        Widget.__init__(self, parent, 'pdf_input',
+            ['single_line_paras'])
+        self.db, self.book_id = db, book_id
+        self.initialize_options(get_option, get_help, db, book_id)

src/calibre/gui2/convert/txt_input.ui

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="1" column="0">
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>213</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+   <item row="0" column="0">
+    <widget class="QCheckBox" name="opt_single_line_paras">
+     <property name="text">
+      <string>Single Line Paragraphs</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>