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[rails.git] / app / controllers / swf_controller.rb

diff --git a/app/controllers/swf_controller.rb b/app/controllers/swf_controller.rb
index b7ec2714e7b64987cd2bd75e9d97b3a804170624..96237f029c3eaa075d2137eec7b47bb16142131f 100644 (file)
--- a/app/controllers/swf_controller.rb
+++ b/app/controllers/swf_controller.rb
@@ -10,10 +10,10 @@ class SwfController < ApplicationController
   # ====================================================================
   # Public methods
 
-  # ---- trackpoints   compile SWF of trackpoints
+  # ---- trackpoints  compile SWF of trackpoints
 
   def trackpoints
-    # -        Initialise
+    # -  Initialise
 
     baselong = params["baselong"].to_f
     basey = params["basey"].to_f
@@ -23,7 +23,7 @@ class SwfController < ApplicationController
                            params["xmax"], params["ymax"])
     start = params["start"].to_i
 
-    # -        Begin movie
+    # -  Begin movie
 
     bounds_left = 0
     bounds_right = 320 * 20
@@ -31,13 +31,13 @@ class SwfController < ApplicationController
     bounds_top = 240 * 20
 
     m = ""
-    m += swf_record(9, 255.chr + 155.chr + 155.chr)                    # Background
+    m += swf_record(9, 255.chr + 155.chr + 155.chr) # Background
     absx = 0
     absy = 0
     xl = yb = 9999999
     xr = yt = -9999999
 
-    # -        Send SQL for GPS tracks
+    # -  Send SQL for GPS tracks
 
     b = ""
     lasttime = 0
@@ -45,9 +45,9 @@ class SwfController < ApplicationController
 
     if params["token"]
       user = User.authenticate(:token => params[:token])
-      sql = "SELECT gps_points.latitude*0.0000001 AS lat,gps_points.longitude*0.0000001 AS lon,gpx_files.id AS fileid," +                     "      EXTRACT(EPOCH FROM gps_points.timestamp) AS ts, gps_points.trackid AS trackid " +                            " FROM gpx_files,gps_points " +                         "WHERE gpx_files.id=gpx_id " +                          "  AND gpx_files.user_id=#{user.id} " +                         "  AND " + OSM.sql_for_area(bbox, "gps_points.") +                      "  AND (gps_points.timestamp IS NOT NULL) " +                           "ORDER BY fileid DESC,ts " +                            "LIMIT 10000 OFFSET #{start}"
+      sql = "SELECT gps_points.latitude*0.0000001 AS lat,gps_points.longitude*0.0000001 AS lon,gpx_files.id AS fileid," + "      EXTRACT(EPOCH FROM gps_points.timestamp) AS ts, gps_points.trackid AS trackid " + " FROM gpx_files,gps_points " + "WHERE gpx_files.id=gpx_id " + "  AND gpx_files.user_id=#{user.id} " + "  AND " + OSM.sql_for_area(bbox, "gps_points.") + "  AND (gps_points.timestamp IS NOT NULL) " + "ORDER BY fileid DESC,ts " + "LIMIT 10000 OFFSET #{start}"
     else
-      sql = "SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,gpx_id AS fileid," +                       "      EXTRACT(EPOCH FROM timestamp) AS ts, gps_points.trackid AS trackid " +                               " FROM gps_points " +                           "WHERE " + OSM.sql_for_area(bbox, "gps_points.") +                              "  AND (gps_points.timestamp IS NOT NULL) " +                           "ORDER BY fileid DESC,ts " +                            "LIMIT 10000 OFFSET #{start}"
+      sql = "SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,gpx_id AS fileid," + "      EXTRACT(EPOCH FROM timestamp) AS ts, gps_points.trackid AS trackid " + " FROM gps_points " + "WHERE " + OSM.sql_for_area(bbox, "gps_points.") + "  AND (gps_points.timestamp IS NOT NULL) " + "ORDER BY fileid DESC,ts " + "LIMIT 10000 OFFSET #{start}"
     end
     gpslist = ActiveRecord::Base.connection.select_all sql
 
@@ -84,7 +84,7 @@ class SwfController < ApplicationController
     m += swf_record(2, pack_u16(1) + pack_rect(xl, xr, yb, yt) + r)
     m += swf_record(4, pack_u16(1) + pack_u16(1))
 
-    # -        Create Flash header and write to browser
+    # -  Create Flash header and write to browser
 
     m += swf_record(1, "")                                                                     # Show frame
     m += swf_record(0, "")                                                                     # End
@@ -92,7 +92,7 @@ class SwfController < ApplicationController
     m = pack_rect(bounds_left, bounds_right, bounds_bottom, bounds_top) + 0.chr + 12.chr + pack_u16(1) + m
     m = "FWS" + 6.chr + pack_u32(m.length + 8) + m
 
-    render :text => m, :content_type => "application/x-shockwave-flash"
+    render :body => m, :content_type => "application/x-shockwave-flash"
   end
 
   private
@@ -104,11 +104,11 @@ class SwfController < ApplicationController
   # Line-drawing
 
   def start_shape
-    s = 0.chr                                          # No fill styles
-    s += 2.chr                                         # Two line styles
-    s += pack_u16(0) + 0.chr + 255.chr + 255.chr       # Width 5, RGB #00FFFF
-    s += pack_u16(0) + 255.chr + 0.chr + 255.chr       # Width 5, RGB #FF00FF
-    s += 34.chr                                                                                # 2 fill, 2 line index bits
+    s = 0.chr                                    # No fill styles
+    s += 2.chr                                   # Two line styles
+    s += pack_u16(0) + 0.chr + 255.chr + 255.chr # Width 5, RGB #00FFFF
+    s += pack_u16(0) + 255.chr + 0.chr + 255.chr # Width 5, RGB #FF00FF
+    s += 34.chr # 2 fill, 2 line index bits
     s
   end
 
@@ -117,10 +117,10 @@ class SwfController < ApplicationController
   end
 
   def start_and_move(x, y, col)
-    d = "001001"                                       # Line style change, moveTo
+    d = "001001"       # Line style change, moveTo
     l = [length_sb(x), length_sb(y)].max
     d += format("%05b%0*b%0*b", l, l, x, l, y)
-    d += col                                           # Select line style
+    d += col # Select line style
     d
   end
 
@@ -161,10 +161,10 @@ class SwfController < ApplicationController
   def swf_record(id, r)
     if r.length > 62
       # Long header: tag id, 0x3F, length
-      return pack_u16((id << 6) + 0x3F) + pack_u32(r.length) + r
+      pack_u16((id << 6) + 0x3F) + pack_u32(r.length) + r
     else
       # Short header: tag id, length
-      return pack_u16((id << 6) + r.length) + r
+      pack_u16((id << 6) + r.length) + r
     end
   end
 
@@ -195,7 +195,7 @@ class SwfController < ApplicationController
   # Find number of bits required to store arbitrary-length binary
 
   def length_sb(n)
-    Math.frexp(n + (n == 0 ? 1 : 0))[1] + 1
+    Math.frexp(n + (n.zero? ? 1 : 0))[1] + 1
   end
 
   # ====================================================================
@@ -213,8 +213,4 @@ class SwfController < ApplicationController
   def lat2y(a)
     180 / Math::PI * Math.log(Math.tan(Math::PI / 4 + a * (Math::PI / 180) / 2))
   end
-
-  def sqlescape(a)
-    a.gsub("'", "''").gsub(92.chr, 92.chr + 92.chr)
-  end
 end