Theme for RubyKaigi 2024

data/rabbit/image/rubykaigi-2024-images/property.rb

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+@category = N_("Image")
+@title = N_("RubyKaigi 2024 image")
+@abstract = N_("Images related to RubyKaigi 2024")
+@description = N_("Provides images related to RubyKaigi 2024. They are licensed under CC BY 4.0 by RubyKaigi 2024 Team.")

data/rabbit/image/rubykaigi-2024-images/rubykaigi-2024-images.rb

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+# empty theme to add load path to images in the directory.
+

lib/rabbit/theme/rubykaigi-2024/property.rb

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+@category = N_("Theme")
+@title = N_("RubyKaigi 2024")
+@description = N_("RubyKaigi 2024 theme")

lib/rabbit/theme/rubykaigi-2024/rubykaigi-2024.rb

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+add_image_path("rubykaigi-2024-images")
+
+# puts font_families.sort
+@xxx_large_font_size = screen_size(8 * Pango::SCALE)
+@xx_large_font_size = screen_size(7 * Pango::SCALE)
+@x_large_font_size = screen_size(6 * Pango::SCALE)
+@large_font_size = screen_size(5 * Pango::SCALE)
+@normal_font_size = screen_size(4 * Pango::SCALE)
+@small_font_size = screen_size(3 * Pango::SCALE)
+@x_small_font_size = screen_size(2.5 * Pango::SCALE)
+@xx_small_font_size = screen_size(2 * Pango::SCALE)
+
+@font_family = find_font_family('Poppins')
+@monospace_font_family = 'Courier Prime'
+@title_font_family = find_font_family('Dela Gothic One')
+
+# colors
+yellow       = "#ffeb00"
+light_yellow = "#fffef5"
+red          = "#ff3f46"
+pink         = "#ffc2de"
+blue         = "#2994ff"
+sky_blue     = "#98ffff"
+green        = "#80f142"
+yellow_green = "#ccff00"
+black        = "#000000"
+white        = "#ffffff"
+
+@default_headline_line_color = red
+@default_headline_line_width = 2
+@default_headline_line_expand = true
+
+@default_emphasis_color = red
+@default_emphasis_level2_color = "#ffffff"
+
+set_graffiti_color red
+set_graffiti_line_width 5
+
+@space = screen_y(1)
+
+@image_slide_number_start_flag_color = blue
+@image_slide_number_goal_flag_color = red
+
+@preformatted_fill_color = light_yellow
+@preformatted_frame_color = sky_blue
+@preformatted_frame_width = 3
+@slide_background_image = 'slide_background.png'
+include_theme("slide-background-image")
+
+@title_slide_background_image = 'title_background.png'
+include_theme("title-slide-background-image")
+
+@item_image_1 = 'bullet-point-36.png'
+@item_image_2 = 'bullet-point-32.png'
+@item_image_3 = 'bullet-point-28.png'
+
+include_theme('default')
+
+match TitleSlide do |slides|
+  slides.margin_left = 850
+  slides.margin_right = 50
+  slides.prop_set("foreground", black)
+  slides.prop_set "style", "normal"
+end
+match TitleSlide, Title do |title|
+  title.margin_top = -10
+  title.prop_set "size", @xxx_large_font_size
+  title.prop_set "font-family", @title_font_family
+  title.prop_set "weight", "normal"
+  title.prop_set "foreground", red
+end
+match TitleSlide, Subtitle do |subtitle|
+  subtitle.margin_top = 50
+  subtitle.prop_set "size", @large_font_size
+  subtitle.prop_set "font-family", @title_font_family
+  subtitle.prop_set "weight", "normal"
+  subtitle.prop_set "foreground", blue
+end
+match TitleSlide, Author do |author|
+  author.margin_top = 50
+  author.prop_set "size", @normal_font_size
+  author.prop_set "font-family", @title_font_family
+  author.prop_set "weight", "normal"
+  author.prop_set "foreground", black
+end
+match TitleSlide, Institution do |i|
+  i.prop_set "size", @small_font_size
+end
+
+match(Slide, HeadLine) do |heads|
+  heads.margin_top = 0
+  heads.prop_set "size", @large_font_size
+  set_font_family(heads)
+end
+
+match(Slide) do |slides|
+  slides.margin_left = 50
+  slides.margin_right = 50
+  slides.prop_set("foreground", black)
+end
+
+slide_body = [Slide, Body]
+item_list_item = [ItemList, ItemListItem]
+
+indent = 50
+
+match(*(slide_body + (item_list_item * 1))) do |items|
+  name = "item1"
+  items.delete_pre_draw_proc_by_name(name)
+  items.delete_post_draw_proc_by_name(name)
+  draw_image_mark(items, @item_image_1, name, indent: indent)
+end
+
+match(*(slide_body + (item_list_item * 2))) do |items|
+  name = "item2"
+  items.delete_pre_draw_proc_by_name(name)
+  items.delete_post_draw_proc_by_name(name)
+  draw_image_mark(items, @item_image_2, name, indent: indent)
+end
+
+match(*(slide_body + (item_list_item * 3))) do |items|
+  name = "item3"
+  items.delete_pre_draw_proc_by_name(name)
+  items.delete_post_draw_proc_by_name(name)
+  draw_image_mark(items, @item_image_3, name, indent: indent)
+end
+
+enum_list_item = [EnumList, EnumListItem]
+
+match(*(slide_body + enum_list_item + item_list_item)) do |items|
+  name = "enum-item1"
+  items.delete_pre_draw_proc_by_name(name)
+  items.delete_post_draw_proc_by_name(name)
+  draw_image_mark(items, @item_image_1, name, indent: indent)
+end
+
+match(*(slide_body + enum_list_item + (item_list_item * 2))) do |items|
+  name = "enum-item2"
+  items.delete_pre_draw_proc_by_name(name)
+  items.delete_post_draw_proc_by_name(name)
+  draw_image_mark(items, @item_image_2, name, indent: indent)
+end
+
+# Chapter
+match Slide do |slides|
+  slides.each do |slide|
+    if slide.match?(/sub_chapter/)
+      slide.horizontal_centering = true
+    elsif slide.match?(/chapter/)
+      set_font_family slide, @title_font_family
+      slide.horizontal_centering = true
+    elsif slide.match?(/cite/)
+      slide.prop_set "foreground", black
+      slide.horizontal_centering = true
+    end
+  end
+end
+
+match("**", PreformattedBlock) do |block|
+  block.prop_set("foreground", black)
+end
+

sample/rubykaigi-2024.rab

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+= Your Awesome Title
+
+: subtitle
+   Subtitle Goes So Cool
+: author
+   Your Name
+: institution
+   Your Institution
+: allotted-time
+   30m
+: theme
+   rubykaigi-2024
+
+= About slide size
+
+The resolution of the projectors in NAHArt (the venue of RubyKaigi 2024) is ((*1920 x 1200*)) (16:10).
+
+So this theme is optimized when you specify the size like below:
+
+  # enscript sh
+  bundle exec rabbit --size=1920,1200 your_slide.rab
+
+= Fonts
+
+You need to install the follows:
+
+* (({Dela Gothic One})) for title page
+* (({Poppins})) for content pages
+* (({Courier Prime})) for monospace (code block)
+
+= Items
+
+* Item
+  * Item
+  * Item
+    * Item
+  * Item
+* item
+