X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/2af0840ff314f9d1e0265a4a1b50fc6db4af9047..21683db838d66d5b14da08dd5fd467fae09515d4:/app/controllers/swf_controller.rb diff --git a/app/controllers/swf_controller.rb b/app/controllers/swf_controller.rb index a683e2177..329de0dfc 100644 --- a/app/controllers/swf_controller.rb +++ b/app/controllers/swf_controller.rb @@ -31,7 +31,7 @@ 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 @@ -47,7 +47,7 @@ class SwfController < ApplicationController 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}" 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 @@ -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 # ====================================================================