X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/ef7f3d800cbdd49b692df10d312e5fd880e2e938..060c686c1923534d2899ee129cc740e0f2fa7c9f:/app/controllers/swf_controller.rb diff --git a/app/controllers/swf_controller.rb b/app/controllers/swf_controller.rb index 541185d03..96237f029 100644 --- a/app/controllers/swf_controller.rb +++ b/app/controllers/swf_controller.rb @@ -1,6 +1,6 @@ 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]}") @@ -10,87 +10,89 @@ 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 - masterscale = params['masterscale'].to_f + baselong = params["baselong"].to_f + basey = params["basey"].to_f + masterscale = params["masterscale"].to_f - bbox = BoundingBox.new(params['xmin'], params['ymin'], - params['xmax'], params['ymax']) - start = params['start'].to_i + bbox = BoundingBox.new(params["xmin"], params["ymin"], + params["xmax"], params["ymax"]) + start = params["start"].to_i - # - Begin movie + # - Begin movie bounds_left = 0 bounds_right = 320 * 20 bounds_bottom = 0 bounds_top = 240 * 20 - m = '' - m += swfRecord(9, 255.chr + 155.chr + 155.chr) # Background + m = "" + 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 = '' + b = "" lasttime = 0 - lasttrack = lastfile = '-1' + lasttrack = lastfile = "-1" - if params['token'] + 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 # - Draw GPS trace lines - r = startShape + r = start_shape gpslist.each do |row| - xs = (long2coord(row['lon'].to_f, baselong, masterscale) * 20).floor - ys = (lat2coord(row['lat'].to_f, basey, masterscale) * 20).floor - xl = [xs, xl].min; xr = [xs, xr].max - yb = [ys, yb].min; yt = [ys, yt].max - if row['ts'].to_i - lasttime > 180 || row['fileid'] != lastfile || row['trackid'] != lasttrack # or row['ts'].to_i==lasttime - b += startAndMove(xs, ys, '01') - absx = xs.floor; absy = ys.floor - end - b += drawTo(absx, absy, xs, ys) - absx = xs.floor; absy = ys.floor - lasttime = row['ts'].to_i - lastfile = row['fileid'] - lasttrack = row['trackid'] - while b.length > 80 - r += [b.slice!(0...80)].pack("B*") + xs = (long2coord(row["lon"].to_f, baselong, masterscale) * 20).floor + ys = (lat2coord(row["lat"].to_f, basey, masterscale) * 20).floor + xl = [xs, xl].min + xr = [xs, xr].max + yb = [ys, yb].min + yt = [ys, yt].max + if row["ts"].to_i - lasttime > 180 || row["fileid"] != lastfile || row["trackid"] != lasttrack # or row['ts'].to_i==lasttime + b += start_and_move(xs, ys, "01") + absx = xs.floor + absy = ys.floor end + b += draw_to(absx, absy, xs, ys) + absx = xs.floor + absy = ys.floor + lasttime = row["ts"].to_i + lastfile = row["fileid"] + lasttrack = row["trackid"] + r += [b.slice!(0...80)].pack("B*") while b.length > 80 end # (Unwayed segments removed) # - Write shape - b += endShape + b += end_shape r += [b].pack("B*") - m += swfRecord(2, packUI16(1) + packRect(xl, xr, yb, yt) + r) - m += swfRecord(4, packUI16(1) + packUI16(1)) + 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 += swfRecord(1, '') # Show frame - m += swfRecord(0, '') # End + m += swf_record(1, "") # Show frame + m += swf_record(0, "") # End - m = packRect(bounds_left, bounds_right, bounds_bottom, bounds_top) + 0.chr + 12.chr + packUI16(1) + m - m = 'FWS' + 6.chr + packUI32(m.length + 8) + m + 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 @@ -101,27 +103,28 @@ class SwfController < ApplicationController # ----------------------------------------------------------------------- # Line-drawing - def startShape - s = 0.chr # No fill styles - s += 2.chr # Two line styles - s += packUI16(0) + 0.chr + 255.chr + 255.chr # Width 5, RGB #00FFFF - s += packUI16(0) + 255.chr + 0.chr + 255.chr # Width 5, RGB #FF00FF - s += 34.chr # 2 fill, 2 line index bits + 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 end - def endShape - '000000' + def end_shape + "000000" end - def startAndMove(x, y, col) - d = '001001' # Line style change, moveTo - l = [lengthSB(x), lengthSB(y)].max - d += sprintf("%05b%0#{l}b%0#{l}b", l, x, y) - d += col # Select line style + def start_and_move(x, y, col) + 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 end - def drawTo(absx, absy, x, y) + def draw_to(absx, absy, x, y) dx = x - absx dy = y - absy @@ -130,23 +133,24 @@ class SwfController < ApplicationController mstep = [dx.abs / 16383, dy.abs / 16383, 1].max.ceil xstep = dx / mstep ystep = dy / mstep - d = '' - for i in (1..mstep) - d += drawSection(x, y, x + xstep, y + ystep) + d = "" + 1.upto(mstep).each do + d += draw_section(x, y, x + xstep, y + ystep) x += xstep y += ystep end d end - def drawSection(x1, y1, x2, y2) - d = '11' # TypeFlag, EdgeFlag + def draw_section(x1, y1, x2, y2) + d = "11" # TypeFlag, EdgeFlag dx = x2 - x1 dy = y2 - y1 - l = [lengthSB(dx), lengthSB(dy)].max - d += sprintf("%04b", l - 2) - d += '1' # GeneralLine - d += sprintf("%0#{l}b%0#{l}b", dx, dy) + l = [length_sb(dx), length_sb(dy)].max + d += format("%04b", l - 2) + d += "1" # GeneralLine + d += format("%0*b%0*b", l, dx, l, dy) + d end # ----------------------------------------------------------------------- @@ -154,25 +158,25 @@ class SwfController < ApplicationController # SWF data block type - def swfRecord(id, r) + def swf_record(id, r) if r.length > 62 # Long header: tag id, 0x3F, length - return packUI16((id << 6) + 0x3F) + packUI32(r.length) + r + pack_u16((id << 6) + 0x3F) + pack_u32(r.length) + r else # Short header: tag id, length - return packUI16((id << 6) + r.length) + r + pack_u16((id << 6) + r.length) + r end end # SWF RECT type - def packRect(a, b, c, d) - l = [lengthSB(a), - lengthSB(b), - lengthSB(c), - lengthSB(d)].max + def pack_rect(a, b, c, d) + l = [length_sb(a), + length_sb(b), + length_sb(c), + length_sb(d)].max # create binary string (00111001 etc.) - 5-byte length, then bbox - n = sprintf("%05b%0#{l}b%0#{l}b%0#{l}b%0#{l}b", l, a, b, c, d) + n = format("%05b%0*b%0*b%0*b%0*b", l, l, a, l, b, l, c, l, d) # pack into byte string [n].pack("B*") end @@ -180,18 +184,18 @@ class SwfController < ApplicationController # ----------------------------------------------------------------------- # Generic pack functions - def packUI16(n) + def pack_u16(n) [n.floor].pack("v") end - def packUI32(n) + def pack_u32(n) [n.floor].pack("V") end # Find number of bits required to store arbitrary-length binary - def lengthSB(n) - Math.frexp(n + (n == 0 ? 1 : 0))[1] + 1 + def length_sb(n) + Math.frexp(n + (n.zero? ? 1 : 0))[1] + 1 end # ==================================================================== @@ -209,8 +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