render.rb

  1#!/bin/env ruby
  2
  3require 'xml'
  4
  5resolutions = {
  6	'mdpi' => 1,
  7	'hdpi' => 1.5,
  8	'xhdpi' => 2,
  9	'xxhdpi' => 3,
 10	'xxxhdpi' => 4,
 11	}
 12
 13images = {
 14	'conversations_baloon.svg' => ['ic_launcher', 48],
 15   'conversations_baloon.svg' => ['main_logo', 200],
 16	'conversations_mono.svg' => ['ic_notification', 24],
 17	'ic_received_indicator.svg' => ['ic_received_indicator', 12],
 18	'ic_send_text_offline.svg' => ['ic_send_text_offline', 36],
 19	'ic_send_text_online.svg' => ['ic_send_text_online', 36],
 20	'ic_send_text_away.svg' => ['ic_send_text_away', 36],
 21	'ic_send_text_dnd.svg' => ['ic_send_text_dnd', 36],
 22	'ic_send_photo_online.svg' => ['ic_send_photo_online', 36],
 23	'ic_send_photo_offline.svg' => ['ic_send_photo_offline', 36],
 24	'ic_send_photo_away.svg' => ['ic_send_photo_away', 36],
 25	'ic_send_photo_dnd.svg' => ['ic_send_photo_dnd', 36],
 26	'ic_send_location_online.svg' => ['ic_send_location_online', 36],
 27	'ic_send_location_offline.svg' => ['ic_send_location_offline', 36],
 28	'ic_send_location_away.svg' => ['ic_send_location_away', 36],
 29	'ic_send_location_dnd.svg' => ['ic_send_location_dnd', 36],
 30	'ic_send_voice_online.svg' => ['ic_send_voice_online', 36],
 31	'ic_send_voice_offline.svg' => ['ic_send_voice_offline', 36],
 32	'ic_send_voice_away.svg' => ['ic_send_voice_away', 36],
 33	'ic_send_voice_dnd.svg' => ['ic_send_voice_dnd', 36],
 34	'ic_send_cancel_online.svg' => ['ic_send_cancel_online', 36],
 35	'ic_send_cancel_offline.svg' => ['ic_send_cancel_offline', 36],
 36	'ic_send_cancel_away.svg' => ['ic_send_cancel_away', 36],
 37	'ic_send_cancel_dnd.svg' => ['ic_send_cancel_dnd', 36],
 38	'ic_send_picture_online.svg' => ['ic_send_picture_online', 36],
 39	'ic_send_picture_offline.svg' => ['ic_send_picture_offline', 36],
 40	'ic_send_picture_away.svg' => ['ic_send_picture_away', 36],
 41	'ic_send_picture_dnd.svg' => ['ic_send_picture_dnd', 36],
 42	'md_switch_thumb_disable.svg' => ['switch_thumb_disable', 48],
 43	'md_switch_thumb_off_normal.svg' => ['switch_thumb_off_normal', 48],
 44	'md_switch_thumb_off_pressed.svg' => ['switch_thumb_off_pressed', 48],
 45	'md_switch_thumb_on_normal.svg' => ['switch_thumb_on_normal', 48],
 46	'md_switch_thumb_on_pressed.svg' => ['switch_thumb_on_pressed', 48],
 47	'message_bubble_received.svg' => ['message_bubble_received.9', 0],
 48	'message_bubble_received_warning.svg' => ['message_bubble_received_warning.9', 0],
 49	'message_bubble_received_white.svg' => ['message_bubble_received_white.9', 0],
 50	'message_bubble_sent.svg' => ['message_bubble_sent.9', 0],
 51	}
 52
 53# Executable paths for Mac OSX
 54# "/Applications/Inkscape.app/Contents/Resources/bin/inkscape"
 55
 56inkscape = "inkscape"
 57imagemagick = "convert"
 58
 59def execute_cmd(cmd)
 60	puts cmd
 61	system cmd
 62end
 63
 64images.each do |source_filename, settings|
 65	svg_content = File.read(source_filename)
 66
 67	svg = XML::Document.string(svg_content)
 68	base_width = svg.root["width"].to_i
 69	base_height = svg.root["height"].to_i
 70
 71	guides = svg.find(".//sodipodi:guide")
 72
 73	resolutions.each do |resolution, factor|
 74		output_filename, base_size = settings
 75
 76		if base_size > 0
 77			width = factor * base_size
 78			height = factor * base_size
 79		else
 80			width = factor * base_width
 81			height = factor * base_height
 82		end
 83
 84		path = "../src/main/res/drawable-#{resolution}/#{output_filename}.png"
 85		execute_cmd "#{inkscape} -f #{source_filename} -z -C -w #{width} -h #{height} -e #{path}"
 86
 87		top = []
 88		right = []
 89		bottom = []
 90		left = []
 91
 92		guides.each do |guide|
 93			orientation = guide["orientation"]
 94			x, y = guide["position"].split(",")
 95			x, y = x.to_i, y.to_i
 96
 97			if orientation == "1,0" and y == base_height
 98				top.push(x * factor)
 99			end
100
101			if orientation == "0,1" and x == base_width
102				right.push((base_height - y) * factor)
103			end
104
105			if orientation == "1,0" and y == 0
106				bottom.push(x * factor)
107			end
108
109			if orientation == "0,1" and x == 0
110				left.push((base_height - y) * factor)
111			end
112		end
113
114		next if top.length != 2
115		next if right.length != 2
116		next if bottom.length != 2
117		next if left.length != 2
118
119		execute_cmd "#{imagemagick} -background none PNG32:#{path} -gravity center -extent #{width+2}x#{height+2} PNG32:#{path}"
120
121		draw_format = "-draw \"rectangle %d,%d %d,%d\""
122		top_line = draw_format % [top.min + 1, 0, top.max, 0]
123		right_line = draw_format % [width + 1, right.min + 1, width + 1, right.max]
124		bottom_line = draw_format % [bottom.min + 1, height + 1, bottom.max, height + 1]
125		left_line = draw_format % [0, left.min + 1, 0, left.max]
126		draws = "#{top_line} #{right_line} #{bottom_line} #{left_line}"
127
128		execute_cmd "#{imagemagick} -background none PNG32:#{path} -fill black -stroke none #{draws} PNG32:#{path}"
129	end
130end