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outfit thumbnails initial commit

This commit is contained in:
Emi Matchu 2012-03-15 17:00:29 -05:00
parent 22cfff66e9
commit 220aca9311
18 changed files with 139 additions and 0 deletions

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@ -41,6 +41,11 @@ gem 'newrelic_rpm'
gem 'neopets', :git => 'git://github.com/matchu/neopets.git'
gem "mini_magick", "~> 3.4"
gem "fog", "~> 1.1.2"
gem "carrierwave", "~> 0.5.8"
group :development_async do
# async wrappers
gem 'eventmachine', :git => 'git://github.com/eventmachine/eventmachine.git'

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@ -87,6 +87,8 @@ GEM
arel (2.0.10)
bcrypt-ruby (2.1.4)
builder (2.1.2)
carrierwave (0.5.8)
activesupport (~> 3.0)
character-encodings (0.4.1)
closure-compiler (1.1.4)
compass (0.10.6)
@ -100,11 +102,23 @@ GEM
eventmachine
erubis (2.6.6)
abstract (>= 1.0.0)
excon (0.9.6)
factory_girl (2.3.2)
activesupport
factory_girl_rails (1.4.0)
factory_girl (~> 2.3.0)
railties (>= 3.0.0)
fog (1.1.2)
builder
excon (~> 0.9.0)
formatador (~> 0.2.0)
mime-types
multi_json (~> 1.0.3)
net-scp (~> 1.0.4)
net-ssh (>= 2.1.3)
nokogiri (~> 1.5.0)
ruby-hmac
formatador (0.2.1)
haml (3.0.25)
hoptoad_notifier (2.4.11)
activesupport
@ -122,8 +136,14 @@ GEM
treetop (~> 1.4.8)
memcache-client (1.8.5)
mime-types (1.17.2)
mini_magick (3.4)
subexec (~> 0.2.1)
msgpack (0.4.6)
multi_json (1.0.4)
mysql2 (0.2.6)
net-scp (1.0.4)
net-ssh (>= 1.99.1)
net-ssh (2.3.0)
newrelic_rpm (3.3.3)
nokogiri (1.5.3)
open4 (1.3.0)
@ -189,6 +209,7 @@ GEM
sinatra (1.2.8)
rack (~> 1.1)
tilt (>= 1.2.2, < 2.0)
subexec (0.2.1)
swf_converter (0.0.3)
thor (0.14.6)
tilt (1.3.3)
@ -213,6 +234,7 @@ PLATFORMS
DEPENDENCIES
RocketAMF!
addressable
carrierwave (~> 0.5.8)
character-encodings (~> 0.4.1)
compass (~> 0.10.1)
devise (~> 1.1.5)
@ -221,10 +243,12 @@ DEPENDENCIES
em-synchrony!
eventmachine!
factory_girl_rails (~> 1.0)
fog (~> 1.1.2)
haml (~> 3.0.18)
hoptoad_notifier
jammit (~> 0.5.3)
memcache-client (~> 1.8.5)
mini_magick (~> 3.4)
msgpack (~> 0.4.3)
mysql2 (< 0.3)
mysqlplus!

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@ -12,6 +12,8 @@ class Outfit < ActiveRecord::Base
attr_accessible :name, :pet_state_id, :starred, :worn_and_unworn_item_ids
scope :wardrobe_order, order('starred DESC', :name)
mount_uploader :image, OutfitImageUploader
def as_json(more_options={})
serializable_hash :only => [:id, :name, :pet_state_id, :starred],
@ -70,6 +72,22 @@ class Outfit < ActiveRecord::Base
def layered_assets
visible_assets.sort { |a, b| a.zone.depth <=> b.zone.depth }
end
# Creates and writes the thumbnail images for this outfit. (Writes to file in
# development, S3 in production.) Runs #save! on the record, so any other
# changes will also be saved.
def write_image!
Tempfile.open(['outfit_image', '.png']) do |image|
create_image! image
self.image = image
save!
end
self.image
end
def s3_key(size)
URI.encode("#{id}/#{size.join 'x'}.png")
end
def self.build_for_user(user, params)
Outfit.new.tap do |outfit|
@ -87,6 +105,28 @@ class Outfit < ActiveRecord::Base
protected
# Creates a 600x600 PNG image of this outfit, writing to the given output
# file.
def create_image!(output)
layers = self.layered_assets
base_layer = layers.shift
write_temp_swf_asset_image! base_layer, output
output.close
Tempfile.open(['outfit_overlay', '.png']) do |overlay|
layers.each do |layer|
overlay.open
write_temp_swf_asset_image! layer, overlay
overlay.close
previous_image = MiniMagick::Image.open(output.path)
overlay_image = MiniMagick::Image.open(overlay.path)
output_image = previous_image.composite(overlay_image)
output_image.write output.path
end
end
end
def visible_assets
biology_assets = pet_state.swf_assets
object_assets = SwfAsset.object_assets.
@ -110,5 +150,15 @@ class Outfit < ActiveRecord::Base
all_assets = biology_assets + object_assets
all_assets.select { |a| (1 << (a.zone_id - 1)) & restricted_zones_mask == 0 }
end
IMAGE_BASE_SIZE = [600, 600]
def write_temp_swf_asset_image!(swf_asset, file)
key = swf_asset.s3_key(IMAGE_BASE_SIZE)
bucket = SwfAsset::IMAGE_BUCKET
data = bucket.get(key)
file.binmode # write in binary mode
file.truncate(0) # clear the file
file.write data # write the new data
end
end

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@ -0,0 +1,31 @@
require 'carrierwave/processing/mime_types'
class OutfitImageUploader < CarrierWave::Uploader::Base
include CarrierWave::MimeTypes
include CarrierWave::MiniMagick
# Settings for S3 storage. Will only be used on production.
fog_directory 'impress-outfit-images'
fog_attributes 'Cache-Control' => "max-age=#{15.minutes}",
'Content-Type' => 'image/png'
process :set_content_type
version :medium do
process :resize_to_fill => [300, 300]
end
version :small do
process :resize_to_fill => [150, 150]
end
def filename
"thumb.png"
end
def store_dir
partition_id = model.id / 1000
partition_dir = "%03d" % partition_id
"outfits/#{partition_dir}/#{model.id}"
end
end

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@ -0,0 +1,20 @@
# By default, we'll have CarrierWave use S3 only on production. (Since each
# asset image has only One True Image no matter the environment, we'll override
# this to use S3 on all environments for those images only.)
CarrierWave.configure do |config|
if Rails.env.production? || true # REMOVE
s3_config = YAML.load_file Rails.root.join('config', 'aws_s3.yml')
access_key_id = s3_config['access_key_id']
secret_access_key = s3_config['secret_access_key']
config.storage = :fog
config.fog_credentials = {
:provider => 'AWS',
:aws_access_key_id => access_key_id,
:aws_secret_access_key => secret_access_key
}
else
config.storage = :file
end
end

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@ -0,0 +1,9 @@
class AddImageToOutfits < ActiveRecord::Migration
def self.up
add_column :outfits, :image, :string
end
def self.down
remove_column :outfits, :image
end
end

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