1 files changed, 48 insertions, 0 deletions
diff --git a/debian/missing-sources/epoch/src/time/bar.coffee b/debian/missing-sources/epoch/src/time/bar.coffee
new file mode 100644
index 0000000..7bcb7be
--- /dev/null
+++ b/debian/missing-sources/epoch/src/time/bar.coffee
@@ -0,0 +1,48 @@
+
+# Real-time Bar Chart implementation.
+class Epoch.Time.Bar extends Epoch.Time.Stack
+  constructor: (@options={}) ->
+    @options.type ?= 'time.bar'
+    super(@options)
+    @draw()
+
+  # @return [Number] An offset used to align the ticks to the center of the rendered bars.
+  _offsetX: ->
+   0.5 * @w() / @pixelRatio
+
+  # Sets the styles for the graphics context given a layer class name.
+  # @param [String] className The class name to use when deriving the styles.
+  setStyles: (className) ->
+    styles = @getStyles "rect.bar.#{className.replace(/\s/g,'.')}"
+    @ctx.fillStyle = styles.fill
+
+    if !styles.stroke? or styles.stroke == 'none'
+      @ctx.strokeStyle = 'transparent'
+    else
+      @ctx.strokeStyle = styles.stroke
+
+    if styles['stroke-width']?
+      @ctx.lineWidth = styles['stroke-width'].replace('px', '')
+
+  # Draws the stacked bar chart.
+  draw: (delta=0) ->
+    @clear()
+    [y, w] = [@y(), @w()]
+
+    for layer in @getVisibleLayers()
+      continue unless Epoch.isNonEmptyArray(layer.values)
+      @setStyles(layer.className)
+
+      [i, k, trans] = [@options.windowSize, layer.values.length, @inTransition()]
+      iBoundry = if trans then -1 else 0
+
+      while (--i >= iBoundry) and (--k >= 0)
+        entry = layer.values[k]
+        [ex, ey, ey0] = [i*w+delta, entry.y, entry.y0]
+        ex += w if trans
+        args = [ex+1, y(ey+ey0), w-2, @innerHeight()-y(ey)+0.5*@pixelRatio]
+
+        @ctx.fillRect.apply(@ctx, args)
+        @ctx.strokeRect.apply(@ctx, args)
+
+    super()