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[Commit-gnuradio] r9178 - gnuradio/branches/features/experimental-gui/pl
From: |
jblum |
Subject: |
[Commit-gnuradio] r9178 - gnuradio/branches/features/experimental-gui/plotter |
Date: |
Tue, 5 Aug 2008 20:40:55 -0600 (MDT) |
Author: jblum
Date: 2008-08-05 20:40:54 -0600 (Tue, 05 Aug 2008)
New Revision: 9178
Modified:
gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
Log:
resize in gl thread only
Modified:
gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
2008-08-06 02:32:05 UTC (rev 9177)
+++ gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
2008-08-06 02:40:54 UTC (rev 9178)
@@ -89,6 +89,7 @@
"""
#init
grid_plotter_base.__init__(self, parent, PADDING)
+ self._resize_buffer_flag = True
self._minimum = 0
self._maximum = 0
self._fft_size = 0
@@ -110,6 +111,8 @@
Draw the grid and waveforms.
"""
self.semaphore.acquire(True)
+ #resize buffer
+ if self._resize_buffer_flag: self._resize_buffer()
#store the grid drawing operations
if self.changed():
glNewList(self._grid_compiled_list_id, GL_COMPILE)
@@ -205,6 +208,7 @@
glBindTexture(GL_TEXTURE_2D, self._waterfall_texture)
data = numpy.zeros(self._num_lines*self._fft_size*4,
numpy.uint8).tostring()
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self._fft_size,
self._num_lines, 0, GL_RGBA, GL_UNSIGNED_BYTE, data)
+ self._resize_buffer_flag = False
def set_color_mode(self, color_mode):
"""!
@@ -227,7 +231,7 @@
"""
self.semaphore.acquire(True)
self._num_lines = num_lines
- self._resize_buffer()
+ self._resize_buffer_flag = True
self.semaphore.release()
def set_samples(self, samples, minimum, maximum):
@@ -247,7 +251,7 @@
if self._fft_size != len(samples):
self._fft_size = len(samples)
self._buffer = list() #empty buffer before resize
- self._resize_buffer()
+ self._resize_buffer_flag = True
#normalize the samples to min/max
samples = (samples - minimum)*float(255/(maximum-minimum))
samples = numpy.clip(samples, 0, 255) #clip
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