class SwfController < ApplicationController
- skip_before_filter :verify_authenticity_token
- before_filter :check_api_readable
+ skip_before_action :verify_authenticity_token
+ before_action :check_api_readable
# to log:
# RAILS_DEFAULT_LOGGER.error("Args: #{args[0]}, #{args[1]}, #{args[2]}, #{args[3]}")
# ====================================================================
# 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
params["xmax"], params["ymax"])
start = params["start"].to_i
- # - Begin movie
+ # - Begin movie
bounds_left = 0
bounds_right = 320 * 20
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
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
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
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
# 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
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
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
# 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
# ====================================================================
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
projects / rails.git / blobdiff