src/formatters/html.cr

@@ -47,7 +47,7 @@ module Tartrazine
           line_label = line_numbers? ? "#{i + 1}".rjust(4).ljust(5) : ""
           line_class = highlighted?(i + 1) ? "class=\"#{get_css_class("LineHighlight", theme)}\"" : ""
           line_id = linkable_line_numbers? ? "id=\"#{line_number_id_prefix}#{i + 1}\"" : ""
-          outp << "<span #{line_id} #{line_class} style=\"user-select: none;\">#{line_label} </span>"
+          outp << "<span #{line_id} #{line_class}>#{line_label}</span>"
           line.each do |token|
             fragment = "<span class=\"#{get_css_class(token[:type], theme)}\">#{token[:value]}</span>"
             outp << fragment

src/main.cr

@@ -23,13 +23,12 @@ HELP
 
 lexer = Tartrazine.lexer("crystal")
 theme = Tartrazine.theme(ARGV[1])
-# formatter = Tartrazine::Json.new
-formatter = Tartrazine::Html.new
-formatter.standalone = true
-formatter.class_prefix = "hl-"
-formatter.line_number_id_prefix = "ln-"
-formatter.line_numbers = true
-formatter.highlight_lines = [3..7, 20..30]
-formatter.linkable_line_numbers = false
-formatter.wrap_long_lines = false
+formatter = Tartrazine::Json.new
+# formatter.standalone = true
+# formatter.class_prefix = "hl-"
+# formatter.line_number_id_prefix = "ln-"
+# formatter.line_numbers = true
+# formatter.highlight_lines = [3..7, 20..30]
+# formatter.linkable_line_numbers = false
+# formatter.wrap_long_lines = false
 puts formatter.format(File.read(ARGV[0]), lexer, theme)

src/styles.cr

@@ -17,7 +17,7 @@ module Tartrazine
       raise ex unless ex.message.try &.includes? "Theme not found"
     end
     begin
-      Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
+      return Theme.from_xml(ThemeFiles.get("/#{name}.xml").gets_to_end)
     rescue
       raise Exception.new("Theme #{name} not found")
     end
@@ -111,7 +111,7 @@ module Tartrazine
       # The color assignments are adapted from
       # https://github.com/mohd-akram/base16-pygments/
 
-      theme.styles["Background"] = Style.new(color: t["base05"], background: t["base00"], bold: true)
+      theme.styles["Background"] = Style.new(color: t["base05"], background: t["base00"])
       theme.styles["LineHighlight"] = Style.new(color: t["base0D"], background: t["base01"])
       theme.styles["Text"] = Style.new(color: t["base05"])
       theme.styles["Error"] = Style.new(color: t["base08"])
@@ -175,22 +175,27 @@ module Tartrazine
       if !theme.styles.has_key?("LineHighlight")
         theme.styles["LineHighlight"] = Style.new
         theme.styles["LineHighlight"].background = make_highlight_color(theme.styles["Background"].background)
-        theme.styles["LineHighlight"].bold = true
       end
       theme
     end
 
     # If the color is dark, make it brighter and viceversa
     def self.make_highlight_color(base_color)
-      if base_color.nil?
-        # WHo knows
-        return Color.new(127, 127, 127)
-      end
-      if base_color.dark?
-        base_color.lighter(0.2)
+      # FIXME: do a proper luminance adjustment in the color class
+      return nil if base_color.nil?
+      color = Color.new(base_color.hex)
+      if base_color.light?
+        color.r = [(base_color.r - 40), 255].min.to_u8
+        color.g = [(base_color.g - 40), 255].min.to_u8
+        color.b = [(base_color.b - 40), 255].min.to_u8
       else
-        base_color.darker(0.2)
-      end
+        color.r = [(base_color.r + 40), 255].min.to_u8
+        color.g = [(base_color.g + 40), 255].min.to_u8
+        color.b = [(base_color.b + 40), 255].min.to_u8
+      end
+      # Bug in color, setting rgb doesn't update hex
+      color.hex = "#{color.r.to_s(16)}#{color.g.to_s(16)}#{color.b.to_s(16)}"
+      color
     end
   end
 end