Add explicit install instructions for libxml2 on MacOS

[rails.git] / lib / gpx.rb

diff --git a/lib/gpx.rb b/lib/gpx.rb
index ae9af0d46f1139e02dde2123acc690d49abe13e8..ee9d53afaa0fea65cfe403f5ae9cb26fb71c3167 100644 (file)
--- a/lib/gpx.rb
+++ b/lib/gpx.rb
@@ -31,7 +31,7 @@ module GPX
           elsif reader.name == "ele" && point
             point.altitude = reader.read_string.to_f
           elsif reader.name == "time" && point
-            point.timestamp = DateTime.parse(reader.read_string)
+            point.timestamp = Time.parse(reader.read_string)
           end
         elsif reader.node_type == XML::Reader::TYPE_END_ELEMENT
           if reader.name == "trkpt" && point && point.valid?
@@ -52,21 +52,21 @@ module GPX
       proj = OSM::Mercator.new(min_lat, min_lon, max_lat, max_lon, width, height)
 
       linegc = Magick::Draw.new
-      linegc.stroke_linejoin('miter')
+      linegc.stroke_linejoin("miter")
       linegc.stroke_width(1)
-      linegc.stroke('#BBBBBB')
-      linegc.fill('#BBBBBB')
+      linegc.stroke("#BBBBBB")
+      linegc.fill("#BBBBBB")
 
       highlightgc = Magick::Draw.new
-      highlightgc.stroke_linejoin('miter')
+      highlightgc.stroke_linejoin("miter")
       highlightgc.stroke_width(3)
-      highlightgc.stroke('#000000')
-      highlightgc.fill('#000000')
+      highlightgc.stroke("#000000")
+      highlightgc.fill("#000000")
 
-      images = frames.times.collect do
+      images = Array(frames) do
         Magick::Image.new(width, height) do |image|
-          image.background_color = 'white'
-          image.format = 'GIF'
+          image.background_color = "white"
+          image.format = "GIF"
         end
       end
 
@@ -81,11 +81,11 @@ module GPX
 
         if m > 0
           frames.times do |n|
-            if n == mm
-              gc = highlightgc.dup
-            else
-              gc = linegc.dup
-            end
+            gc = if n == mm
+                   highlightgc.dup
+                 else
+                   linegc.dup
+                 end
 
             gc.line(px, py, oldpx, oldpy)
 
@@ -94,9 +94,7 @@ module GPX
         end
 
         m += 1
-        if m > num_points.to_f / frames.to_f * (mm + 1)
-          mm += 1
-        end
+        mm += 1 if m > num_points.to_f / frames.to_f * (mm + 1)
 
         oldpy = py
         oldpx = px
@@ -109,7 +107,7 @@ module GPX
       end
 
       il.delay = 50
-      il.format = 'GIF'
+      il.format = "GIF"
 
       il.to_blob
     end
@@ -120,14 +118,14 @@ module GPX
       proj = OSM::Mercator.new(min_lat, min_lon, max_lat, max_lon, width, height)
 
       gc = Magick::Draw.new
-      gc.stroke_linejoin('miter')
+      gc.stroke_linejoin("miter")
       gc.stroke_width(1)
-      gc.stroke('#000000')
-      gc.fill('#000000')
+      gc.stroke("#000000")
+      gc.fill("#000000")
 
       image = Magick::Image.new(width, height) do |i|
-        i.background_color = 'white'
-        i.format = 'GIF'
+        i.background_color = "white"
+        i.format = "GIF"
       end
 
       oldpx = 0.0
@@ -150,9 +148,7 @@ module GPX
     end
   end
 
-  private
-
-  class TrkPt < Struct.new(:segment, :latitude, :longitude, :altitude, :timestamp)
+  TrkPt = Struct.new(:segment, :latitude, :longitude, :altitude, :timestamp) do
     def valid?
       latitude && longitude && timestamp &&
         latitude >= -90 && latitude <= 90 &&