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[Commit-gnuradio] r8963 - in gnuradio/branches/features/experimental-gui
From: |
jblum |
Subject: |
[Commit-gnuradio] r8963 - in gnuradio/branches/features/experimental-gui: . plotter |
Date: |
Mon, 21 Jul 2008 15:42:29 -0600 (MDT) |
Author: jblum
Date: 2008-07-21 15:42:29 -0600 (Mon, 21 Jul 2008)
New Revision: 8963
Added:
gnuradio/branches/features/experimental-gui/plotter/
gnuradio/branches/features/experimental-gui/plotter/__init__.py
gnuradio/branches/features/experimental-gui/plotter/channel_plotter.py
gnuradio/branches/features/experimental-gui/plotter/gltext.py
gnuradio/branches/features/experimental-gui/plotter/plotter_base.py
gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
Removed:
gnuradio/branches/features/experimental-gui/gltext.py
gnuradio/branches/features/experimental-gui/plotter.py
Modified:
gnuradio/branches/features/experimental-gui/const_window.py
gnuradio/branches/features/experimental-gui/fft_window.py
gnuradio/branches/features/experimental-gui/scope_window.py
Log:
split up plotter into module
Modified: gnuradio/branches/features/experimental-gui/const_window.py
===================================================================
--- gnuradio/branches/features/experimental-gui/const_window.py 2008-07-21
20:23:01 UTC (rev 8962)
+++ gnuradio/branches/features/experimental-gui/const_window.py 2008-07-21
21:42:29 UTC (rev 8963)
@@ -120,7 +120,7 @@
self.gain_omega_key = gain_omega_key
#init panel and plot
wx.Panel.__init__(self, parent, -1, style=wx.SIMPLE_BORDER)
- self.plotter = plotter.grid_plotter(self)
+ self.plotter = plotter.channel_plotter(self)
self.plotter.SetSize(wx.Size(*size))
self.plotter.set_title(title)
self.plotter.set_x_units('Inphase')
Modified: gnuradio/branches/features/experimental-gui/fft_window.py
===================================================================
--- gnuradio/branches/features/experimental-gui/fft_window.py 2008-07-21
20:23:01 UTC (rev 8962)
+++ gnuradio/branches/features/experimental-gui/fft_window.py 2008-07-21
21:42:29 UTC (rev 8963)
@@ -158,7 +158,7 @@
self.peak_vals = NO_PEAK_VALS
#init panel and plot
wx.Panel.__init__(self, parent, -1, style=wx.SIMPLE_BORDER)
- self.plotter = plotter.grid_plotter(self)
+ self.plotter = plotter.channel_plotter(self)
self.plotter.SetSize(wx.Size(*size))
self.plotter.set_title(title)
#setup the box with plot and controls
Deleted: gnuradio/branches/features/experimental-gui/gltext.py
Added: gnuradio/branches/features/experimental-gui/plotter/__init__.py
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/__init__.py
(rev 0)
+++ gnuradio/branches/features/experimental-gui/plotter/__init__.py
2008-07-21 21:42:29 UTC (rev 8963)
@@ -0,0 +1,23 @@
+#
+# Copyright 2008 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from channel_plotter import channel_plotter
+from waterfall_plotter import waterfall_plotter
Added: gnuradio/branches/features/experimental-gui/plotter/channel_plotter.py
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/channel_plotter.py
(rev 0)
+++ gnuradio/branches/features/experimental-gui/plotter/channel_plotter.py
2008-07-21 21:42:29 UTC (rev 8963)
@@ -0,0 +1,185 @@
+#
+# Copyright 2008 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import wx
+from plotter_base import grid_plotter_base
+from OpenGL.GL import *
+import numpy
+import gltext
+
+LEGEND_TEXT_FONT_SIZE = 8
+LEGEND_BOX_WIDTH, LEGEND_BOX_HEIGHT = 26, 20
+PADDING = 35, 15, 40, 60 #top, right, bottom, left
+
+##################################################
+# Channel Plotter for X Y Waveforms
+##################################################
+class channel_plotter(grid_plotter_base):
+
+ def __init__(self, parent):
+ """!
+ Create a new channel plotter.
+ """
+ #init
+ grid_plotter_base.__init__(self, parent, PADDING)
+ self.channels = dict()
+ self.set_legend(False)
+
+ def _gl_init(self):
+ """!
+ Run gl initialization tasks.
+ """
+ glEnableClientState(GL_VERTEX_ARRAY)
+ self.grid_compiled_list_id = glGenLists(1)
+
+ def set_legend(self, legend):
+ """!
+ Set the legend on/off.
+ @param legend true to turn on
+ """
+ self.semaphore.acquire(True)
+ self.legend = legend
+ self.changed(True)
+ self.semaphore.release()
+
+ def draw(self):
+ """!
+ Draw the grid and waveforms.
+ """
+ self.semaphore.acquire(True)
+ self.clear()
+ #store the grid drawing operations
+ if self.changed():
+ glNewList(self.grid_compiled_list_id, GL_COMPILE)
+ self._draw_grid()
+ self._draw_legend()
+ glEndList()
+ self.changed(False)
+ #draw the grid
+ glCallList(self.grid_compiled_list_id)
+ #use scissor to prevent drawing outside grid
+ glEnable(GL_SCISSOR_TEST)
+ glScissor(
+ self.padding_left+1,
+ self.padding_bottom+1,
+ self.width-self.padding_left-self.padding_right-1,
+ self.height-self.padding_top-self.padding_bottom-1,
+ )
+ #draw the waveforms
+ self._draw_waveforms()
+ glDisable(GL_SCISSOR_TEST)
+ #swap buffer into display
+ self.SwapBuffers()
+ self.semaphore.release()
+
+ def _draw_waveforms(self):
+ """!
+ Draw the waveforms for each channel.
+ Scale the waveform data to the grid using numpy (saves CPU).
+ """
+ ##################################################
+ # Draw Waveforms
+ ##################################################
+ for channel in reversed(sorted(self.channels.keys())):
+ samples, color_spec, marker = self.channels[channel]
+ num_samps = len(samples)
+ #use opengl to scale the waveform
+ glPushMatrix()
+ glTranslatef(self.padding_left, self.padding_top, 0)
+ glScalef(
+
(self.width-self.padding_left-self.padding_right),
+
(self.height-self.padding_top-self.padding_bottom),
+ 1,
+ )
+ glTranslatef(0, 1, 0)
+ if isinstance(samples, tuple):
+ x_scale, x_trans = 1.0/(self.x_max-self.x_min),
-self.x_min
+ points = zip(*samples)
+ else:
+ x_scale, x_trans = 1.0/(num_samps-1), 0
+ points = zip(numpy.arange(0, num_samps),
samples)
+ glScalef(x_scale, -1.0/(self.y_max-self.y_min), 1)
+ glTranslatef(x_trans, -self.y_min, 0)
+ #draw the points/lines
+ glColor3f(*color_spec)
+ if marker == '+': #TODO slow, slow, slow
+ points_4 = numpy.array(zip(points, points,
points, points))
+ points_4 = points_4 + .01*numpy.array([
+ (self.x_max-self.x_min, 0),
+ (self.x_min-self.x_max, 0),
+ (0, self.y_max-self.y_min),
+ (0, self.y_min-self.y_max),
+ ]
+ )
+ points = points_4.reshape(len(points)*4, 2)
+ glVertexPointer(2, GL_FLOAT, 0, points)
+ glDrawArrays({None: GL_LINE_STRIP, '.': GL_POINTS, '+':
GL_LINES}[marker], 0, len(points))
+ glPopMatrix()
+
+ def _draw_legend(self):
+ ##################################################
+ # Draw Legend
+ ##################################################
+ if self.legend:
+ for i, channel in
enumerate(sorted(self.channels.keys())):
+ x_off =
1.1*LEGEND_BOX_WIDTH*(len(self.channels) - i - 1) + LEGEND_BOX_WIDTH/2
+ color_spec = self.channels[channel][1]
+ #draw colored rectangle
+ glColor3f(*color_spec)
+ self._draw_rect(
+ self.width - self.padding_right - x_off
- LEGEND_BOX_WIDTH/2,
+
(self.padding_top-LEGEND_BOX_HEIGHT)/2.0,
+ LEGEND_BOX_WIDTH,
+ LEGEND_BOX_HEIGHT,
+ )
+ #draw label text
+ txt = gltext.Text('Ch%s'%channel,
font_size=LEGEND_TEXT_FONT_SIZE, centered=True)
+ txt.draw_text(wx.Point(self.width -
self.padding_right - x_off, self.padding_top/2.0))
+
+ def set_waveform(self, channel, samples, color_spec, marker=None):
+ """!
+ Set the waveform for a given channel.
+ @param channel the channel number
+ @param samples the waveform samples
+ @param color_spec the 3-tuple for line color
+ @param marker None for line
+ """
+ self.channels[channel] = samples, color_spec, marker
+
+if __name__ == '__main__':
+ app = wx.PySimpleApp()
+ frame = wx.Frame(None, -1, 'Demo', wx.DefaultPosition)
+ vbox = wx.BoxSizer(wx.VERTICAL)
+
+ plotter = channel_plotter(frame)
+ plotter.set_x_grid(-1, 1, .2)
+ plotter.set_y_grid(-1, 1, .4)
+ vbox.Add(plotter, 1, wx.EXPAND)
+
+ plotter = channel_plotter(frame)
+ plotter.set_x_grid(-1, 1, .2)
+ plotter.set_y_grid(-1, 1, .4)
+ vbox.Add(plotter, 1, wx.EXPAND)
+
+ frame.SetSizerAndFit(vbox)
+ frame.SetSize(wx.Size(800, 600))
+ frame.Show()
+ app.MainLoop()
Copied: gnuradio/branches/features/experimental-gui/plotter/gltext.py (from rev
8962, gnuradio/branches/features/experimental-gui/gltext.py)
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/gltext.py
(rev 0)
+++ gnuradio/branches/features/experimental-gui/plotter/gltext.py
2008-07-21 21:42:29 UTC (rev 8963)
@@ -0,0 +1,494 @@
+#!/usr/bin/env python
+# -*- coding: utf-8
+#
+# Provides some text display functions for wx + ogl
+# Copyright (C) 2007 Christian Brugger, Stefan Hacker
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import wx
+from OpenGL.GL import *
+
+"""
+Optimize with psyco if possible, this gains us about 50% speed when
+creating our textures in trade for about 4MBytes of additional memory usage for
+psyco. If you don't like loosing the memory you have to turn the lines
following
+"enable psyco" into a comment while uncommenting the line after "Disable
psyco".
+"""
+#Try to enable psyco
+try:
+ import psyco
+ psyco_optimized = False
+except ImportError:
+ psyco = None
+
+#Disable psyco
+#psyco = None
+
+class TextElement(object):
+ """
+ A simple class for using system Fonts to display
+ text in an OpenGL scene
+ """
+ def __init__(self,
+ text = '',
+ font = None,
+ foreground = wx.BLACK,
+ centered = False):
+ """
+ text (String) - Text
+ font (wx.Font) - Font to draw with (None = System default)
+ foreground (wx.Color) - Color of the text
+ or (wx.Bitmap)- Bitmap to overlay the text with
+ centered (bool) - Center the text
+
+ Initializes the TextElement
+ """
+ # save given variables
+ self._text = text
+ self._lines = text.split('\n')
+ self._font = font
+ self._foreground = foreground
+ self._centered = centered
+
+ # init own variables
+ self._owner_cnt = 0 #refcounter
+ self._texture = None #OpenGL texture ID
+ self._text_size = None #x/y size tuple of the text
+ self._texture_size= None #x/y Texture size tuple
+
+ # create Texture
+ self.createTexture()
+
+
+ #---Internal helpers
+
+ def _getUpper2Base(self, value):
+ """
+ Returns the lowest value with the power of
+ 2 greater than 'value' (2^n>value)
+ """
+ base2 = 1
+ while base2 < value:
+ base2 *= 2
+ return base2
+
+ #---Functions
+
+ def draw_text(self, position = wx.Point(0,0), scale = 1.0, rotation = 0):
+ """
+ position (wx.Point) - x/y Position to draw in scene
+ scale (float) - Scale
+ rotation (int) - Rotation in degree
+
+ Draws the text to the scene
+ """
+ #Enable necessary functions
+ glColor(1,1,1,1)
+ glEnable(GL_TEXTURE_2D)
+ glEnable(GL_ALPHA_TEST) #Enable alpha test
+ glAlphaFunc(GL_GREATER, 0)
+ glEnable(GL_BLEND) #Enable blending
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
+ #Bind texture
+ glBindTexture(GL_TEXTURE_2D, self._texture)
+
+ ow, oh = self._text_size
+ w , h = self._texture_size
+ #Perform transformations
+ glPushMatrix()
+ glTranslated(position.x, position.y, 0)
+ glRotate(-rotation, 0, 0, 1)
+ glScaled(scale, scale, scale)
+ if self._centered:
+ glTranslate(-w/2, -oh/2, 0)
+ #Draw vertices
+ glBegin(GL_QUADS)
+ glTexCoord2f(0,0); glVertex2f(0,0)
+ glTexCoord2f(0,1); glVertex2f(0,h)
+ glTexCoord2f(1,1); glVertex2f(w,h)
+ glTexCoord2f(1,0); glVertex2f(w,0)
+ glEnd()
+ glPopMatrix()
+
+ #Disable features
+ glDisable(GL_BLEND)
+ glDisable(GL_ALPHA_TEST)
+ glDisable(GL_TEXTURE_2D)
+
+ def createTexture(self):
+ """
+ Creates a texture from the settings saved in TextElement, to be able
to use normal
+ system fonts conviently a wx.MemoryDC is used to draw on a wx.Bitmap.
As wxwidgets
+ device contexts don't support alpha at all it is necessary to apply a
little hack
+ to preserve antialiasing without sticking to a fixed background color:
+
+ We draw the bmp in b/w mode so we can use its data as a alpha channel
for a solid
+ color bitmap which after GL_ALPHA_TEST and GL_BLEND will show a nicely
antialiased
+ text on any surface.
+
+ To access the raw pixel data the bmp gets converted to a wx.Image. Now
we just have
+ to merge our foreground color with the alpha data we just created and
push it all
+ into a OpenGL texture and we are DONE *inhalesdelpy*
+
+ DRAWBACK of the whole conversion thing is a really long time for
creating the
+ texture. If you see any optimizations that could save time PLEASE
CREATE A PATCH!!!
+ """
+ # get a memory dc
+ dc = wx.MemoryDC()
+
+ # set our font
+ dc.SetFont(self._font)
+
+ # Approximate extend to next power of 2 and create our bitmap
+ # REMARK: You wouldn't believe how much fucking speed this little
+ # sucker gains compared to sizes not of the power of 2. It's
like
+ # 500ms --> 0.5ms (on my ATI-GPU powered Notebook). On Sams
nvidia
+ # machine there don't seem to occur any losses...bad drivers?
+ ow, oh = dc.GetMultiLineTextExtent(self._text)[:2]
+ w, h = self._getUpper2Base(ow), self._getUpper2Base(oh)
+
+ self._text_size = wx.Size(ow,oh)
+ self._texture_size = wx.Size(w,h)
+ bmp = wx.EmptyBitmap(w,h)
+
+
+ #Draw in b/w mode to bmp so we can use it as alpha channel
+ dc.SelectObject(bmp)
+ dc.SetBackground(wx.BLACK_BRUSH)
+ dc.Clear()
+ dc.SetTextForeground(wx.WHITE)
+ x,y = 0,0
+ centered = self.centered
+ for line in self._lines:
+ if not line: line = ' '
+ tw, th = dc.GetTextExtent(line)
+ if centered:
+ x = int(round((w-tw)/2))
+ dc.DrawText(line, x, y)
+ x = 0
+ y += th
+ #Release the dc
+ dc.SelectObject(wx.NullBitmap)
+ del dc
+
+ #Generate a correct RGBA data string from our bmp
+ """
+ NOTE: You could also use wx.AlphaPixelData to access the pixel data
+ in 'bmp' directly, but the iterator given by it is much slower than
+ first converting to an image and using wx.Image.GetData().
+ """
+ img = wx.ImageFromBitmap(bmp)
+ alpha = img.GetData()
+
+ if isinstance(self._foreground, wx.Color):
+ """
+ If we have a static color...
+ """
+ r,g,b = self._foreground.Get()
+ color = "%c%c%c" % (chr(r), chr(g), chr(b))
+
+ data = ''
+ for i in xrange(0, len(alpha)-1, 3):
+ data += color + alpha[i]
+
+ elif isinstance(self._foreground, wx.Bitmap):
+ """
+ If we have a bitmap...
+ """
+ bg_img = wx.ImageFromBitmap(self._foreground)
+ bg = bg_img.GetData()
+ bg_width = self._foreground.GetWidth()
+ bg_height = self._foreground.GetHeight()
+
+ data = ''
+
+ for y in xrange(0, h):
+ for x in xrange(0, w):
+ if (y > (bg_height-1)) or (x > (bg_width-1)):
+ color = "%c%c%c" % (chr(0),chr(0),chr(0))
+ else:
+ pos = (x+y*bg_width) * 3
+ color = bg[pos:pos+3]
+ data += color + alpha[(x+y*w)*3]
+
+
+ # now convert it to ogl texture
+ self._texture = glGenTextures(1)
+ glBindTexture(GL_TEXTURE_2D, self._texture)
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
+
+ glPixelStorei(GL_UNPACK_ROW_LENGTH, 0)
+ glPixelStorei(GL_UNPACK_ALIGNMENT, 2)
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, w, h, 0, GL_RGBA,
GL_UNSIGNED_BYTE, data)
+
+ def deleteTexture(self):
+ """
+ Deletes the OpenGL texture object
+ """
+ if self._texture:
+ if glIsTexture(self._texture):
+ glDeleteTextures(self._texture)
+ else:
+ self._texture = None
+
+ def bind(self):
+ """
+ Increase refcount
+ """
+ self._owner_cnt += 1
+
+ def release(self):
+ """
+ Decrease refcount
+ """
+ self._owner_cnt -= 1
+
+ def isBound(self):
+ """
+ Return refcount
+ """
+ return self._owner_cnt
+
+ def __del__(self):
+ """
+ Destructor
+ """
+ self.deleteTexture()
+
+ #---Getters/Setters
+
+ def getText(self): return self._text
+ def getFont(self): return self._font
+ def getForeground(self): return self._foreground
+ def getCentered(self): return self._centered
+ def getTexture(self): return self._texture
+ def getTexture_size(self): return self._texture_size
+
+ def getOwner_cnt(self): return self._owner_cnt
+ def setOwner_cnt(self, value):
+ self._owner_cnt = value
+
+ #---Properties
+
+ text = property(getText, None, None, "Text of the object")
+ font = property(getFont, None, None, "Font of the object")
+ foreground = property(getForeground, None, None, "Color of the text")
+ centered = property(getCentered, None, None, "Is text centered")
+ owner_cnt = property(getOwner_cnt, setOwner_cnt, None, "Owner count")
+ texture = property(getTexture, None, None, "Used texture")
+ texture_size = property(getTexture_size, None, None, "Size of the used
texture")
+
+
+class Text(object):
+ """
+ A simple class for using System Fonts to display text in
+ an OpenGL scene. The Text adds a global Cache of already
+ created text elements to TextElement's base functionality
+ so you can save some memory and increase speed
+ """
+ _texts = [] #Global cache for TextElements
+
+ def __init__(self,
+ text = 'Text',
+ font = None,
+ font_size = 8,
+ foreground = wx.BLACK,
+ centered = False):
+ """
+ text (string) - displayed text
+ font (wx.Font) - if None, system default font will be
used with font_size
+ font_size (int) - font size in points
+ foreground (wx.Color) - Color of the text
+ or (wx.Bitmap) - Bitmap to overlay the text with
+ centered (bool) - should the text drawn centered towards
position?
+
+ Initializes the text object
+ """
+ #Init/save variables
+ self._aloc_text = None
+ self._text = text
+ self._font_size = font_size
+ self._foreground= foreground
+ self._centered = centered
+
+ #Check if we are offered a font
+ if not font:
+ #if not use the system default
+ self._font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
+ else:
+ #save it
+ self._font = font
+
+ #Bind us to our texture
+ self._initText()
+
+ #---Internal helpers
+
+ def _initText(self):
+ """
+ Initializes/Reinitializes the Text object by binding it
+ to a TextElement suitable for its current settings
+ """
+ #Check if we already bound to a texture
+ if self._aloc_text:
+ #if so release it
+ self._aloc_text.release()
+ if not self._aloc_text.isBound():
+ self._texts.remove(self._aloc_text)
+ self._aloc_text = None
+
+ #Adjust our font
+ self._font.SetPointSize(self._font_size)
+
+ #Search for existing element in our global buffer
+ for element in self._texts:
+ if element.text == self._text and\
+ element.font == self._font and\
+ element.foreground == self._foreground and\
+ element.centered == self._centered:
+ # We already exist in global buffer ;-)
+ element.bind()
+ self._aloc_text = element
+ break
+
+ if not self._aloc_text:
+ # We are not in the global buffer, let's create ourselves
+ aloc_text = self._aloc_text = TextElement(self._text,
+ self._font,
+ self._foreground,
+ self._centered)
+ aloc_text.bind()
+ self._texts.append(aloc_text)
+
+ def __del__(self):
+ """
+ Destructor
+ """
+ aloc_text = self._aloc_text
+ aloc_text.release()
+ if not aloc_text.isBound():
+ self._texts.remove(aloc_text)
+
+ #---Functions
+
+ def draw_text(self, position = wx.Point(0,0), scale = 1.0, rotation = 0):
+ """
+ position (wx.Point) - x/y Position to draw in scene
+ scale (float) - Scale
+ rotation (int) - Rotation in degree
+
+ Draws the text to the scene
+ """
+
+ self._aloc_text.draw_text(position, scale, rotation)
+
+ #---Setter/Getter
+
+ def getText(self): return self._text
+ def setText(self, value, reinit = True):
+ """
+ value (bool) - New Text
+ reinit (bool) - Create a new texture
+
+ Sets a new text
+ """
+ self._text = value
+ if reinit:
+ self._initText()
+
+ def getFont(self): return self._font
+ def setFont(self, value, reinit = True):
+ """
+ value (bool) - New Font
+ reinit (bool) - Create a new texture
+
+ Sets a new font
+ """
+ self._font = value
+ if reinit:
+ self._initText()
+
+ def getFont_size(self): return self._font_size
+ def setFont_size(self, value, reinit = True):
+ """
+ value (bool) - New font size
+ reinit (bool) - Create a new texture
+
+ Sets a new font size
+ """
+ self._font_size = value
+ if reinit:
+ self._initText()
+
+ def getForeground(self): return self._foreground
+ def setForeground(self, value, reinit = True):
+ """
+ value (bool) - New centered value
+ reinit (bool) - Create a new texture
+
+ Sets a new value for 'centered'
+ """
+ self._foreground = value
+ if reinit:
+ self._initText()
+
+ def getCentered(self): return self._centered
+ def setCentered(self, value, reinit = True):
+ """
+ value (bool) - New centered value
+ reinit (bool) - Create a new texture
+
+ Sets a new value for 'centered'
+ """
+ self._centered = value
+ if reinit:
+ self._initText()
+
+ def getTexture_size(self):
+ """
+ Returns a texture size tuple
+ """
+ return self._aloc_text.texture_size
+
+ def getTextElement(self):
+ """
+ Returns the text element bound to the Text class
+ """
+ return self._aloc_text
+
+ def getTexture(self):
+ """
+ Returns the texture of the bound TextElement
+ """
+ return self._aloc_text.texture
+
+
+ #---Properties
+
+ text = property(getText, setText, None, "Text of the object")
+ font = property(getFont, setFont, None, "Font of the object")
+ font_size = property(getFont_size, setFont_size, None, "Font size")
+ foreground = property(getForeground, setForeground, None, "Color/Overlay
bitmap of the text")
+ centered = property(getCentered, setCentered, None, "Display the text
centered")
+ texture_size = property(getTexture_size, None, None, "Size of the used
texture")
+ texture = property(getTexture, None, None, "Texture of bound
TextElement")
+ text_element = property(getTextElement,None , None, "TextElement bound to
this class")
+
+#Optimize critical functions
+if psyco and not psyco_optimized:
+ psyco.bind(TextElement.createTexture)
+ psyco_optimized = True
Added: gnuradio/branches/features/experimental-gui/plotter/plotter_base.py
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/plotter_base.py
(rev 0)
+++ gnuradio/branches/features/experimental-gui/plotter/plotter_base.py
2008-07-21 21:42:29 UTC (rev 8963)
@@ -0,0 +1,301 @@
+#
+# Copyright 2008 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import wx
+import wx.glcanvas
+from OpenGL.GL import *
+import threading
+import gltext
+import math
+
+BACKGROUND_COLOR_SPEC = (1, 0.976, 1, 1) #creamy white
+GRID_LINE_COLOR_SPEC = (0, 0, 0) #black
+TICK_TEXT_FONT_SIZE = 9
+TITLE_TEXT_FONT_SIZE = 13
+UNITS_TEXT_FONT_SIZE = 9
+
+##################################################
+# OpenGL WX Plotter Canvas
+##################################################
+class _plotter_base(wx.glcanvas.GLCanvas):
+ """!
+ Plotter base class for all plot types.
+ """
+
+ def __init__(self, parent):
+ """!
+ Create a new plotter base.
+ Initialize GL and register events.
+ @param parent the parent widgit
+ """
+ wx.glcanvas.GLCanvas.__init__(self, parent, -1)
+ self.changed(False)
+ self._gl_init_flag = False
+ self._resized_flag = True
+ wx.EVT_PAINT(self, self._on_paint)
+ wx.EVT_SIZE(self, self._on_size)
+
+ def _on_size(self, event):
+ """!
+ Flag the resize event.
+ The paint event will handle the actual resizing.
+ """
+ self._resized_flag = True
+
+ def _on_paint(self, event):
+ """!
+ Respond to paint events, call update.
+ Initialize GL if this is the first paint event.
+ """
+ self.SetCurrent()
+ #check if gl was initialized
+ if not self._gl_init_flag:
+ glClearColor(*BACKGROUND_COLOR_SPEC)
+ self._gl_init()
+ self._gl_init_flag = True
+ #check for a change in window size
+ if self._resized_flag:
+ self.width, self.height = self.GetSize()
+ glViewport(0, 0, self.width, self.height)
+ glMatrixMode(GL_PROJECTION)
+ glLoadIdentity()
+ glOrtho(0, self.width, self.height, 0, 1, 0)
+ self._resized_flag = False
+ self.changed(True)
+ self.draw()
+
+ def update(self): wx.PostEvent(self, wx.PaintEvent())
+
+ def clear(self): glClear(GL_COLOR_BUFFER_BIT)
+
+ def changed(self, state=None):
+ """!
+ Set the changed flag if state is not None.
+ Otherwise return the changed flag.
+ """
+ if state is not None: self._changed = state
+ else: return self._changed
+
+##################################################
+# Grid Plotter Base Class
+##################################################
+class grid_plotter_base(_plotter_base):
+
+ def __init__(self, parent, padding):
+ self.semaphore = threading.Semaphore(1)
+ self.padding_top, self.padding_right, self.padding_bottom,
self.padding_left = padding
+ #store title and unit strings
+ self.set_title('Title')
+ self.set_x_units('X Units (xx)')
+ self.set_y_units('Y Units (yy)')
+ #init the grid to some value
+ self.set_x_grid(-1, 1, 1)
+ self.set_y_grid(-1, 1, 1)
+ _plotter_base.__init__(self, parent)
+
+ def set_title(self, title):
+ """!
+ Set the title.
+ @param title the title string
+ """
+ self.semaphore.acquire(True)
+ self.title = title
+ self.changed(True)
+ self.semaphore.release()
+
+ def set_x_units(self, x_units):
+ """!
+ Set the x_units.
+ @param x_units the x_units string
+ """
+ self.semaphore.acquire(True)
+ self.x_units = x_units
+ self.changed(True)
+ self.semaphore.release()
+
+ def set_y_units(self, y_units):
+ """!
+ Set the y_units.
+ @param y_units the y_units string
+ """
+ self.semaphore.acquire(True)
+ self.y_units = y_units
+ self.changed(True)
+ self.semaphore.release()
+
+ def set_x_grid(self, x_min, x_max, x_step):
+ """!
+ Set the x grid parameters.
+ @param x_min the left-most value
+ @param x_max the right-most value
+ @param x_step the grid spacing
+ """
+ self.semaphore.acquire(True)
+ self.x_min = float(x_min)
+ self.x_max = float(x_max)
+ self.x_step = float(x_step)
+ self.changed(True)
+ self.semaphore.release()
+
+ def set_y_grid(self, y_min, y_max, y_step):
+ """!
+ Set the y grid parameters.
+ @param y_min the bottom-most value
+ @param y_max the top-most value
+ @param y_step the grid spacing
+ """
+ self.semaphore.acquire(True)
+ self.y_min = float(y_min)
+ self.y_max = float(y_max)
+ self.y_step = float(y_step)
+ self.changed(True)
+ self.semaphore.release()
+
+ def _draw_grid(self):
+ """!
+ Draw the border, grid, title, and units.
+ """
+ ##################################################
+ # Draw Border
+ ##################################################
+ glColor3f(*GRID_LINE_COLOR_SPEC)
+ glBegin(GL_LINE_LOOP)
+ glVertex3f(self.padding_left, self.padding_top, 0)
+ glVertex3f(self.width - self.padding_right, self.padding_top, 0)
+ glVertex3f(self.width - self.padding_right, self.height -
self.padding_bottom, 0)
+ glVertex3f(self.padding_left, self.height -
self.padding_bottom, 0)
+ glEnd()
+ ##################################################
+ # Draw Grid X
+ ##################################################
+ for tick in self._get_ticks(self.x_min, self.x_max,
self.x_step):
+ scaled_tick =
(self.width-self.padding_left-self.padding_right)*\
+ (tick-self.x_min)/(self.x_max-self.x_min) +
self.padding_left
+ glColor3f(*GRID_LINE_COLOR_SPEC)
+ self._draw_line(
+ (scaled_tick, self.padding_top, 0),
+ (scaled_tick, self.height-self.padding_bottom,
0),
+ )
+ self._draw_tick_label(tick, (scaled_tick,
self.height-.75*self.padding_bottom))
+ ##################################################
+ # Draw Grid Y
+ ##################################################
+ for tick in self._get_ticks(self.y_min, self.y_max,
self.y_step):
+ scaled_tick =
(self.height-self.padding_top-self.padding_bottom)*\
+ (1 - (tick-self.y_min)/(self.y_max-self.y_min))
+ self.padding_top
+ glColor3f(*GRID_LINE_COLOR_SPEC)
+ self._draw_line(
+ (self.padding_left, scaled_tick, 0),
+ (self.width-self.padding_right, scaled_tick, 0),
+ )
+ self._draw_tick_label(tick, (.75*self.padding_left,
scaled_tick))
+ ##################################################
+ # Draw Title
+ ##################################################
+ font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
+ font.SetWeight(wx.FONTWEIGHT_BOLD)
+ #draw x units
+ txt = gltext.Text(self.title, font=font,
font_size=TITLE_TEXT_FONT_SIZE, centered=True)
+ txt.draw_text(wx.Point(self.width/2.0, .5*self.padding_top))
+ ##################################################
+ # Draw Units
+ ##################################################
+ font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
+ font.SetWeight(wx.FONTWEIGHT_BOLD)
+ #draw x units
+ txt = gltext.Text(self.x_units, font=font,
font_size=UNITS_TEXT_FONT_SIZE, centered=True)
+ txt.draw_text(wx.Point(
+
(self.width-self.padding_left-self.padding_right)/2.0 + self.padding_left,
+ self.height-.25*self.padding_bottom,
+ )
+ )
+ #draw y units
+ txt = gltext.Text(self.y_units, font=font,
font_size=UNITS_TEXT_FONT_SIZE, centered=True)
+ txt.draw_text(wx.Point(
+ .25*self.padding_left,
+
(self.height-self.padding_top-self.padding_bottom)/2.0 + self.padding_top,
+ ), rotation=90,
+ )
+
+ def _draw_tick_label(self, tick, coor):
+ """!
+ Format the tick value and draw it at the coordinate.
+ Intelligently switch between decimal representations.
+ @param tick the floating point tick value
+ @param coor the x, y coordinate
+ """
+ #format
+ if tick == 0: exp = 0
+ else: exp = int(math.floor(math.log10(abs(tick))))
+ base = int(tick/10**exp)
+ if abs(exp) >= 3: tick_str = '%de%d'%(base, exp)
+ else: tick_str = '%g'%tick
+ #draw
+ txt = gltext.Text(tick_str, font_size=TICK_TEXT_FONT_SIZE,
centered=True)
+ txt.draw_text(wx.Point(*coor))
+
+ def _get_ticks(self, min, max, step):
+ """!
+ Determine the positions for the ticks.
+ @param min the lower bound
+ @param max the upper bound
+ @param step the grid spacing
+ @return a list of tick positions between min and max
+ """
+ #cast to float
+ min = float(min)
+ max = float(max)
+ step = float(step)
+ #check for valid numbers
+ assert step > 0
+ assert max > min
+ assert max - min > step
+ #determine the start and stop value
+ start = int(math.ceil(min/step))
+ stop = int(math.floor(max/step))
+ return [i*step for i in range(start, stop+1)]
+
+ def _draw_line(self, coor1, coor2):
+ """!
+ Draw a line from coor1 to coor2.
+ @param corr1 a tuple of x, y, z
+ @param corr2 a tuple of x, y, z
+ """
+ glBegin(GL_LINES)
+ glVertex3f(*coor1)
+ glVertex3f(*coor2)
+ glEnd()
+
+ def _draw_rect(self, x, y, width, height):
+ """!
+ Draw a rectangle on the x, y plane.
+ X and Y are the top-left corner.
+ @param x the left position of the rectangle
+ @param y the top position of the rectangle
+ @param width the width of the rectangle
+ @param height the height of the rectangle
+ """
+ glBegin(GL_QUADS)
+ glVertex3f(x, y, 0)
+ glVertex3f(x+width, y, 0)
+ glVertex3f(x+width, y+height, 0)
+ glVertex3f(x, y+height, 0)
+ glEnd()
Added: gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
===================================================================
--- gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
(rev 0)
+++ gnuradio/branches/features/experimental-gui/plotter/waterfall_plotter.py
2008-07-21 21:42:29 UTC (rev 8963)
@@ -0,0 +1,65 @@
+#
+# Copyright 2008 Free Software Foundation, Inc.
+#
+# This file is part of GNU Radio
+#
+# GNU Radio is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3, or (at your option)
+# any later version.
+#
+# GNU Radio is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Radio; see the file COPYING. If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+import wx
+from plotter_base import grid_plotter_base
+from OpenGL.GL import *
+import numpy
+import gltext
+
+PADDING = 35, 35, 40, 60 #top, right, bottom, left
+
+##################################################
+# Waterfall Plotter
+##################################################
+class waterfall_plotter(grid_plotter_base):
+ def __init__(self, parent):
+ """!
+ Create a new channel plotter.
+ """
+ #init
+ grid_plotter_base.__init__(self, parent, PADDING)
+
+ def _gl_init(self):
+ """!
+ Run gl initialization tasks.
+ """
+ self.grid_compiled_list_id = glGenLists(1)
+
+ def draw(self):
+ """!
+ Draw the grid and waveforms.
+ """
+ self.semaphore.acquire(True)
+ self.clear()
+ #store the grid drawing operations
+ if self._changed:
+ glNewList(self.grid_compiled_list_id, GL_COMPILE)
+ self._draw_grid()
+ glEndList()
+ self._changed = False
+ #draw the grid
+ glCallList(self.grid_compiled_list_id)
+ #draw the waterfall
+ #TODO
+ #swap buffer into display
+ self.SwapBuffers()
+ self.semaphore.release()
Deleted: gnuradio/branches/features/experimental-gui/plotter.py
Modified: gnuradio/branches/features/experimental-gui/scope_window.py
===================================================================
--- gnuradio/branches/features/experimental-gui/scope_window.py 2008-07-21
20:23:01 UTC (rev 8962)
+++ gnuradio/branches/features/experimental-gui/scope_window.py 2008-07-21
21:42:29 UTC (rev 8963)
@@ -208,7 +208,7 @@
self.scope_num_samples_key = scope_num_samples_key
#init panel and plot
wx.Panel.__init__(self, parent, -1, style=wx.SIMPLE_BORDER)
- self.plotter = plotter.grid_plotter(self)
+ self.plotter = plotter.channel_plotter(self)
self.plotter.SetSize(wx.Size(*size))
self.plotter.set_title(title)
self.plotter.set_legend(self.num_inputs > 1)
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