From: yomguy <yomguy@parisson.com>
Date: Thu, 8 Jul 2010 16:08:39 +0000 (+0000)
Subject: add transparent background to waveform images
X-Git-Tag: 0.3.2~119
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=32fc7707551eb8d09af1eb23596cda072ec45024;p=timeside.git

add transparent background to waveform images
---

diff --git a/timeside/grapher/core.py b/timeside/grapher/core.py
index a06c6a1..b5f122a 100644
--- a/timeside/grapher/core.py
+++ b/timeside/grapher/core.py
@@ -157,7 +157,7 @@ class WaveformImage(object):
         self.higher = 12000
         self.spectrum = Spectrum(self.fft_size, self.nframes, self.samplerate, self.lower, self.higher, numpy.hanning)
 
-        self.image = Image.new("RGB", (self.image_width, self.image_height), self.bg_color)
+        self.image = Image.new("RGBA", (self.image_width, self.image_height), self.bg_color)
         self.pixel = self.image.load()
         self.draw = ImageDraw.Draw(self.image)
         self.previous_x, self.previous_y = None, None