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Don't resize avatars/headers if their dimensions are already right (#6508) 

Also don't apply "-quality 80" option which is probably the reason
for slight color differences between original and remote image
(because it would apply it twice, once on original instance, and
again on the receiving instance)
This commit is contained in:
Eugen Rochko 2018-02-19 16:06:12 +01:00 committed by GitHub
parent cbb69d41f6
commit 66105929e0
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2 changed files with 18 additions and 6 deletions
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10
app/models/concerns/account_avatar.rb
View File

@ -7,9 +7,15 @@ module AccountAvatar
class_methods do
def avatar_styles(file)
styles = { original: '120x120#' }
styles = {}
geometry = Paperclip::Geometry.from_file(file)
styles[:original] = '120x120#' if geometry.width != geometry.height || geometry.width > 120 || geometry.height > 120
styles[:static] = { format: 'png', convert_options: '-coalesce' } if file.content_type == 'image/gif'
styles
rescue Paperclip::Errors::NotIdentifiedByImageMagickError
{}
end
private :avatar_styles
@ -17,7 +23,7 @@ module AccountAvatar
included do
# Avatar upload
has_attached_file :avatar, styles: ->(f) { avatar_styles(f) }, convert_options: { all: '-quality 80 -strip' }
has_attached_file :avatar, styles: ->(f) { avatar_styles(f) }, convert_options: { all: '-strip' }
validates_attachment_content_type :avatar, content_type: IMAGE_MIME_TYPES
validates_attachment_size :avatar, less_than: 2.megabytes
end

10
app/models/concerns/account_header.rb
View File

@ -7,9 +7,15 @@ module AccountHeader
class_methods do
def header_styles(file)
styles = { original: '700x335#' }
styles = {}
geometry = Paperclip::Geometry.from_file(file)
styles[:original] = '700x335#' unless geometry.width == 700 && geometry.height == 335
styles[:static] = { format: 'png', convert_options: '-coalesce' } if file.content_type == 'image/gif'
styles
rescue Paperclip::Errors::NotIdentifiedByImageMagickError
{}
end
private :header_styles
@ -17,7 +23,7 @@ module AccountHeader
included do
# Header upload
has_attached_file :header, styles: ->(f) { header_styles(f) }, convert_options: { all: '-quality 80 -strip' }
has_attached_file :header, styles: ->(f) { header_styles(f) }, convert_options: { all: '-strip' }
validates_attachment_content_type :header, content_type: IMAGE_MIME_TYPES
validates_attachment_size :header, less_than: 2.megabytes
end