保持上传头像比例

app/controllers/avatar_controller.rb

@@ -49,19 +49,21 @@ class AvatarController < ApplicationController
 #    self.digest = md5.hexdigest
     end
     @temp_file = nil
-   # @avatar = Avatar.new(:receive_file => request.raw_post)
+    # @avatar = Avatar.new(:receive_file => request.raw_post)
-   # @avatar.source_id = User.current.id
+    # @avatar.source_id = User.current.id
-   # @avatar.image_file = params[:filename].presence || Redmine::Utils.random_hex(16)
+    # @avatar.image_file = params[:filename].presence || Redmine::Utils.random_hex(16)
-   # saved = @avatar.save
+    # saved = @avatar.save
-   begin
+    begin
-     f = Magick::ImageList.new(diskfile)
+      f = Magick::ImageList.new(diskfile)
-     proportion = (200.0/f[0].columns)
+      width = 300.0;
-     f.resize_to_fill!(200,200)
+      proportion = (width/f[0].columns)
-     #f.scale!(50,50)
+      height = (f[0].rows*proportion)
-     f.write(diskfile)
+      f.resize_to_fill!(width,height)
-   rescue Exception => e
+      # f.scale!(width,height)
-     logger.error "[Error] avatar : avatar_controller#upload ===> #{e}"
+      f.write(diskfile)
-   end
+    rescue Exception => e
+      logger.error "[Error] avatar : avatar_controller#upload ===> #{e}"
+    end
 
     
     respond_to do |format|