v3: texpdf, fonts, Liberation series default (main: Sans, mono: Mono)

* (mono) improved with selection of Liberation Mono as default
* font (main font, mono) configurable in sisurc.yml under
  default: (texpdf_font:|texpdf_font_mono:)
  or within document under @make: (:texpdf_font:|:texpdf_font_mono:)

3 files changed, 78 insertions, 12 deletions

diff --git a/lib/sisu/v3/param.rb b/lib/sisu/v3/param.rb
index e2cffa9b..674b8cba 100644
--- a/lib/sisu/v3/param.rb
+++ b/lib/sisu/v3/param.rb
@@ -814,9 +814,31 @@ module SiSU_Param
           end
         end
         def texpdf_font
-          @h['texpdf_font'] && (@h['texpdf_font']=~/\S{3,}/) \
-          ? @h['texpdf_font']
-          : @env.font.texpdf
+          def main
+            @h['texpdf_font'] \
+            && (@h['texpdf_font']=~/\S{3,}/) \
+            ? @h['texpdf_font']
+            : @env.font.texpdf.main
+          end
+          def sans                                                             # not used
+            @h['texpdf_font_sans'] \
+            && (@h['texpdf_font_sans']=~/\S{3,}/) \
+            ? @h['texpdf_font_sans']
+            : @env.font.texpdf.sans
+          end
+          def serif                                                            # not used
+            @h['texpdf_font_serif'] \
+            && (@h['texpdf_font_serif']=~/\S{3,}/) \
+            ? @h['texpdf_font_serif']
+            : @env.font.texpdf.serif
+          end
+          def mono
+            @h['texpdf_font_mono'] \
+            && (@h['texpdf_font_mono']=~/\S{3,}/) \
+            ? @h['texpdf_font_mono']
+            : @env.font.texpdf.mono
+          end
+          self
         end
         def skin
           @h['skin']
diff --git a/lib/sisu/v3/sysenv.rb b/lib/sisu/v3/sysenv.rb
index 9d4fa887..aaf210e0 100644
--- a/lib/sisu/v3/sysenv.rb
+++ b/lib/sisu/v3/sysenv.rb
@@ -1529,10 +1529,31 @@ WOK
     end
     def font
       def texpdf
-        (defined? @rc['default']['texpdf_font']) \
-        && (@rc['default']['texpdf_font']=~/\S{3,}/)  \
-        ? @rc['default']['texpdf_font']
-        : 'Liberation Sans' #'Liberation Sans' #'Liberation Serif'
+        def main
+          (defined? @rc['default']['texpdf_font']) \
+          && (@rc['default']['texpdf_font']=~/\S{3,}/)  \
+          ? @rc['default']['texpdf_font']
+          : 'Liberation Sans'
+        end
+        def sans                                                               # not used
+          (defined? @rc['default']['texpdf_font_sans']) \
+          && (@rc['default']['texpdf_font_sans']=~/\S{3,}/)  \
+          ? @rc['default']['texpdf_font_sans']
+          : 'Liberation Sans'
+        end
+        def serif                                                              # not used
+          (defined? @rc['default']['texpdf_font_serif']) \
+          && (@rc['default']['texpdf_font_serif']=~/\S{3,}/)  \
+          ? @rc['default']['texpdf_font_serif']
+          : 'Liberation Serif'
+        end
+        def mono
+          (defined? @rc['default']['texpdf_font_mono']) \
+          && (@rc['default']['texpdf_font_mono']=~/\S{3,}/)  \
+          ? @rc['default']['texpdf_font_mono']
+          : 'Liberation Mono'
+        end
+        self
       end
       self
     end
diff --git a/lib/sisu/v3/texpdf_format.rb b/lib/sisu/v3/texpdf_format.rb
index bf1c2a37..34169892 100644
--- a/lib/sisu/v3/texpdf_format.rb
+++ b/lib/sisu/v3/texpdf_format.rb
@@ -789,12 +789,32 @@ module SiSU_TeX_Pdf
       { mainlang: mainlang, otherlang: otherlang }
     end
     def tex_head_encode
-      texpdf_font=if defined? @md.make.texpdf_font \
-      and not @md.make.texpdf_font.nil? \
-      and @md.make.texpdf_font=~/\S{3,}/
-        @md.make.texpdf_font
-      else @env.font.texpdf
+      texpdf_font=if defined? @md.make.texpdf_font.main \
+      and not @md.make.texpdf_font.main.nil? \
+      and @md.make.texpdf_font.main=~/\S{3,}/
+        @md.make.texpdf_font.main
+      else @env.font.texpdf.main
       end
+      texpdf_font_sans=if defined? @md.make.texpdf_font.sans \
+      and not @md.make.texpdf_font.sans.nil? \
+      and @md.make.texpdf_font.sans=~/\S{3,}/                                  # not used
+        @md.make.texpdf_font.sans
+      else @env.font.texpdf.sans
+      end
+      texpdf_font_serif=if defined? @md.make.texpdf_font.serif \
+      and not @md.make.texpdf_font.serif.nil? \
+      and @md.make.texpdf_font.serif=~/\S{3,}/                                 # not used
+        @md.make.texpdf_font.serif
+      else @env.font.texpdf.serif
+      end
+      texpdf_font_mono=if defined? @md.make.texpdf_font.mono \
+      and not @md.make.texpdf_font.mono.nil? \
+      and @md.make.texpdf_font.mono=~/\S{3,}/
+        @md.make.texpdf_font.mono
+      else @env.font.texpdf.mono
+      end
+      # you may wish to check selected font against avaiable fonts:
+      # fc-list :outline -f "%{family}\n"
       case @tex2pdf
       when /xe/
         <<WOK
@@ -802,6 +822,9 @@ module SiSU_TeX_Pdf
 \\setmainlanguage{#{tex_head_lang[:mainlang]}}
 \\setotherlanguage{#{tex_head_lang[:otherlang]}}
 \\setmainfont{#{texpdf_font}}
+\\setmonofont[Scale=0.85]{#{texpdf_font_mono}}
+% \\setsansfont{#{texpdf_font_sans}}
+% \\setromanfont{#{texpdf_font_serif}}
 WOK
       when /pdf/
         if @md.file_encoding =~ /iso-?8859/i                                   #% iso8859