From aba3042118a952a8f79c01edacf809314390accb Mon Sep 17 00:00:00 2001
From: Thomas Fillon <thomas@parisson.com>
Date: Mon, 20 Jan 2014 15:37:11 +0100
Subject: [PATCH] Grapher : Add a generic Class to display Analyzers through
 their 'render' method. For now, it only support FrameValueResult analyzer

---
 timeside/analyzer/core.py    | 18 +++++++++++++++++-
 timeside/core.py             |  2 +-
 timeside/grapher/__init__.py |  1 +
 timeside/grapher/core.py     |  6 +++++-
 4 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/timeside/analyzer/core.py b/timeside/analyzer/core.py
index defe49e..bff6b86 100644
--- a/timeside/analyzer/core.py
+++ b/timeside/analyzer/core.py
@@ -29,6 +29,7 @@ import numpy
 from collections import OrderedDict
 import h5py
 import h5tools
+import matplotlib.pyplot as plt
 
 numpy_data_types = [
     #'float128',
@@ -758,7 +759,22 @@ class GlobalLabelResult(LabelObject, GlobalObject, AnalyzerResult):
 
 
 class FrameValueResult(ValueObject, FramewiseObject, AnalyzerResult):
-    pass
+    def render(self, size=(1024, 256), dpi=80):
+
+        image_width, image_height = size
+
+        xSize = image_width / dpi
+        ySize = image_height / dpi
+
+        fig = plt.figure(figsize=(xSize, ySize), dpi=dpi)
+
+        ax = plt.Axes(fig, [0, 0, 1, 0.9])
+        ax.set_frame_on(False)
+        ax.plot(self.time, self.data)
+        ax.axis('off')
+        fig.add_axes(ax)
+
+        return fig
 
 
 class FrameLabelResult(LabelObject, FramewiseObject, AnalyzerResult):
diff --git a/timeside/core.py b/timeside/core.py
index 56036d4..629d4f4 100644
--- a/timeside/core.py
+++ b/timeside/core.py
@@ -83,7 +83,7 @@ class Processor(Component):
 
         self.parents = []
         self.source_mediainfo = None
-        self.pipe = None
+        self.process_pipe = None
         self.UUID = uuid.uuid4()
 
     @interfacedoc
diff --git a/timeside/grapher/__init__.py b/timeside/grapher/__init__.py
index 1cfd820..4284bd4 100644
--- a/timeside/grapher/__init__.py
+++ b/timeside/grapher/__init__.py
@@ -6,3 +6,4 @@ from waveform_transparent import *
 from waveform_contour import *
 from spectrogram_log import *
 from spectrogram_lin import *
+from render_analyzers import DisplayAubioPitch
\ No newline at end of file
diff --git a/timeside/grapher/core.py b/timeside/grapher/core.py
index 550a513..ac416ad 100644
--- a/timeside/grapher/core.py
+++ b/timeside/grapher/core.py
@@ -158,7 +158,11 @@ class Grapher(Processor):
     @interfacedoc
     def render(self, output=None):
         if output:
-            self.image.save(output)
+            try:
+                self.image.save(output)
+            except AttributeError:
+                print "Pixel %s x %d" % (self.image_width, self.image_height)
+                self.image.savefig(output, dpi=341)
             return
         return self.image
 
-- 
2.39.5