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[Commit-gnuradio] r10555 - gnuradio/branches/developers/jblum/gui_guts/g


From: jblum
Subject: [Commit-gnuradio] r10555 - gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter
Date: Tue, 3 Mar 2009 00:34:05 -0700 (MST)

Author: jblum
Date: 2009-03-03 00:34:04 -0700 (Tue, 03 Mar 2009)
New Revision: 10555

Added:
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/grid_plotter_base.py
Modified:
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/Makefile.am
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/bar_plotter.py
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/channel_plotter.py
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/common.py
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/plotter_base.py
   
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/waterfall_plotter.py
Log:
WIP! Separated grid plotter.
Poke cache object on resize.
Better cache (compiled list) interface.
Padding is auto-calculated.



Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/Makefile.am
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/Makefile.am
 2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/Makefile.am
 2009-03-03 07:34:04 UTC (rev 10555)
@@ -34,6 +34,7 @@
        channel_plotter.py              \
        common.py                       \
        gltext.py                       \
+       grid_plotter_base.py    \
        plotter_base.py                 \
        waterfall_plotter.py
 

Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/bar_plotter.py
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/bar_plotter.py
      2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/bar_plotter.py
      2009-03-03 07:34:04 UTC (rev 10555)
@@ -20,14 +20,14 @@
 #
 
 import wx
-from plotter_base import grid_plotter_base
+from grid_plotter_base import grid_plotter_base
 from OpenGL import GL
 import common
 import numpy
 
 LEGEND_TEXT_FONT_SIZE = 8
 LEGEND_BOX_PADDING = 3
-PADDING = 35, 15, 40, 60 #top, right, bottom, left
+MIN_PADDING = 0, 0, 0, 80 #top, right, bottom, left
 #constants for the waveform storage
 SAMPLES_KEY = 'samples'
 COLOR_SPEC_KEY = 'color_spec'
@@ -44,13 +44,14 @@
                Create a new bar plotter.
                """
                #init
-               grid_plotter_base.__init__(self, parent, PADDING)
+               grid_plotter_base.__init__(self, parent, MIN_PADDING)
                self._bars = list()
                self._bar_width = .5
                self._color_spec = (0, 0, 0)
-               #setup channel plotter
+               #setup bar cache
+               self._bar_cache = self.new_gl_cache(self._draw_bars)
+               #setup bar plotter
                self.register_init(self._init_bar_plotter)
-               self.register_draw(self._draw_bars)
 
        def _init_bar_plotter(self):
                """
@@ -132,6 +133,7 @@
                self._bars = bars
                self._bar_width = bar_width
                self._color_spec = color_spec
+               self._bar_cache.changed(True)
                self.unlock()
 
 

Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/channel_plotter.py
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/channel_plotter.py
  2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/channel_plotter.py
  2009-03-03 07:34:04 UTC (rev 10555)
@@ -20,7 +20,7 @@
 #
 
 import wx
-from plotter_base import grid_plotter_base
+from grid_plotter_base import grid_plotter_base
 from OpenGL import GL
 import common
 import numpy
@@ -29,7 +29,7 @@
 
 LEGEND_TEXT_FONT_SIZE = 8
 LEGEND_BOX_PADDING = 3
-PADDING = 35, 15, 40, 60 #top, right, bottom, left
+MIN_PADDING = 35, 10, 0, 0 #top, right, bottom, left
 #constants for the waveform storage
 SAMPLES_KEY = 'samples'
 COLOR_SPEC_KEY = 'color_spec'
@@ -46,16 +46,15 @@
                Create a new channel plotter.
                """
                #init
-               grid_plotter_base.__init__(self, parent, PADDING)
+               grid_plotter_base.__init__(self, parent, MIN_PADDING)
                #setup legend cache
-               self._legend_cache = common.gl_cache(self._draw_legend)
-               self.register_init(self._legend_cache.init)
-               self.register_draw(self._legend_cache.draw)
-               #setup channel plotter
+               self._legend_cache = self.new_gl_cache(self._draw_legend, 50)
+               self.enable_legend(False)
+               #setup waveform cache
+               self._waveform_cache = self.new_gl_cache(self._draw_waveforms, 
50)
                self._channels = dict()
-               self.enable_legend(False)
+               #init channel plotter
                self.register_init(self._init_channel_plotter)
-               self.register_draw(self._draw_waveforms)
 
        def _init_channel_plotter(self):
                """
@@ -184,6 +183,7 @@
                if channel in self._channels.keys():
                        self._channels.pop(channel)
                        self._legend_cache.changed(True)
+                       self._waveform_cache.changed(True)
                self.unlock()
 
        def set_waveform(self, channel, samples=[], color_spec=(0, 0, 0), 
marker=None, trig_off=0):
@@ -203,6 +203,7 @@
                        MARKERY_KEY: marker,
                        TRIG_OFF_KEY: trig_off,
                }
+               self._waveform_cache.changed(True)
                self.unlock()
 
 if __name__ == '__main__':

Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/common.py
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/common.py
   2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/common.py
   2009-03-03 07:34:04 UTC (rev 10555)
@@ -23,7 +23,6 @@
 import time
 import math
 import wx
-from OpenGL import GL
 
 ##################################################
 # Number formatting
@@ -129,47 +128,3 @@
                                        last_coor = coor
                                        last_ts = time.time()
                except wx.PyDeadObjectError: pass
-
-##################################################
-# GL caching interface
-##################################################
-class gl_cache(object):
-       """
-       Cache a set of gl drawing routines in a compiled list.
-       """
-
-       def __init__(self, draw):
-               """
-               Create a new cache.
-               @param draw a function to draw gl stuff
-               """
-               self.changed(True)
-               self._draw = draw
-
-       def init(self):
-               """
-               To be called when gl initializes.
-               Create a new compiled list.
-               """
-               self._grid_compiled_list_id = GL.glGenLists(1)
-
-       def draw(self):
-               """
-               Draw the gl stuff using a compiled list.
-               If changed, reload the compiled list.
-               """
-               if self.changed():
-                       GL.glNewList(self._grid_compiled_list_id, GL.GL_COMPILE)
-                       self._draw()
-                       GL.glEndList()
-                       self.changed(False)
-               #draw the grid
-               GL.glCallList(self._grid_compiled_list_id)
-
-       def changed(self, state=None):
-               """
-               Set the changed flag if state is not None.
-               Otherwise return the changed flag.
-               """
-               if state is None: return self._changed
-               self._changed = state

Copied: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/grid_plotter_base.py
 (from rev 10547, 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/plotter_base.py)
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/grid_plotter_base.py
                                (rev 0)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/grid_plotter_base.py
        2009-03-03 07:34:04 UTC (rev 10555)
@@ -0,0 +1,357 @@
+#
+# Copyright 2009 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 import GL
+import common
+from plotter_base import plotter_base
+import gltext
+import math
+
+GRID_LINE_COLOR_SPEC = (.7, .7, .7) #gray
+GRID_BORDER_COLOR_SPEC = (0, 0, 0) #black
+TICK_TEXT_FONT_SIZE = 9
+TITLE_TEXT_FONT_SIZE = 13
+UNITS_TEXT_FONT_SIZE = 9
+AXIS_LABEL_PADDING = 5
+TICK_LABEL_PADDING = 5
+TITLE_LABEL_PADDING = 7
+POINT_LABEL_FONT_SIZE = 8
+POINT_LABEL_COLOR_SPEC = (1, 1, .5)
+POINT_LABEL_PADDING = 3
+
+##################################################
+# Grid Plotter Base Class
+##################################################
+class grid_plotter_base(plotter_base):
+
+       def __init__(self, parent, min_padding=(0, 0, 0, 0)):
+               plotter_base.__init__(self, parent)
+               #setup grid cache
+               self._grid_cache = self.new_gl_cache(self._draw_grid, 25)
+               self.enable_grid_lines(True)
+               #setup padding
+               self.padding_top_min, self.padding_right_min, 
self.padding_bottom_min, self.padding_left_min = min_padding
+               #store title and unit strings
+               self.set_title('Title')
+               self.set_x_label('X Label')
+               self.set_y_label('Y Label')
+               #init the grid to some value
+               self.set_x_grid(-1, 1, 1)
+               self.set_y_grid(-1, 1, 1)
+               #setup point label cache
+               self._point_label_cache = 
self.new_gl_cache(self._draw_point_label, 75)
+               self.enable_point_label(False)
+               self.set_point_label_coordinate(None)
+               common.point_label_thread(self)
+
+       def set_point_label_coordinate(self, coor):
+               """
+               Set the point label coordinate.
+               @param coor the coordinate x, y tuple or None 
+               """
+               self.lock()
+               self._point_label_coordinate = coor
+               self._point_label_cache.changed(True)
+               self.update()
+               self.unlock()
+
+       def enable_point_label(self, enable=None):
+               """
+               Enable/disable the point label.
+               @param enable true to enable
+               @return the enable state when None
+               """
+               if enable is None: return self._enable_point_label
+               self.lock()
+               self._enable_point_label = enable
+               self._point_label_cache.changed(True)
+               self.unlock()
+
+       def set_title(self, title):
+               """
+               Set the title.
+               @param title the title string
+               """
+               self.lock()
+               self.title = title
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def set_x_label(self, x_label, x_units=''):
+               """
+               Set the x label and units.
+               @param x_label the x label string
+               @param x_units the x units string
+               """
+               self.lock()
+               self.x_label = x_label
+               self.x_units = x_units
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def set_y_label(self, y_label, y_units=''):
+               """
+               Set the y label and units.
+               @param y_label the y label string
+               @param y_units the y units string
+               """
+               self.lock()
+               self.y_label = y_label
+               self.y_units = y_units
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def set_x_grid(self, minimum, maximum, step, scale=False):
+               """
+               Set the x grid parameters.
+               @param minimum the left-most value
+               @param maximum the right-most value
+               @param step the grid spacing
+               @param scale true to scale the x grid
+               """
+               self.lock()
+               self.x_min = float(minimum)
+               self.x_max = float(maximum)
+               self.x_step = float(step)
+               if scale:
+                       coeff, exp, prefix = 
common.get_si_components(max(abs(self.x_min), abs(self.x_max)))
+                       self.x_scalar = 10**(-exp)
+                       self.x_prefix = prefix
+               else:
+                       self.x_scalar = 1.0
+                       self.x_prefix = ''
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def set_y_grid(self, minimum, maximum, step, scale=False):
+               """
+               Set the y grid parameters.
+               @param minimum the bottom-most value
+               @param maximum the top-most value
+               @param step the grid spacing
+               @param scale true to scale the y grid
+               """
+               self.lock()
+               self.y_min = float(minimum)
+               self.y_max = float(maximum)
+               self.y_step = float(step)
+               if scale:
+                       coeff, exp, prefix = 
common.get_si_components(max(abs(self.y_min), abs(self.y_max)))
+                       self.y_scalar = 10**(-exp)
+                       self.y_prefix = prefix
+               else:
+                       self.y_scalar = 1.0
+                       self.y_prefix = ''
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def _draw_grid(self):
+               """
+               Create the x, y, tick, and title labels.
+               Resize the padding for the labels.
+               Draw the border, grid, title, and labels.
+               """
+               ##################################################
+               # Create GL text labels
+               ##################################################
+               #create x tick labels
+               x_tick_labels = [(tick, self._get_tick_label(tick, 
self.x_units))
+                       for tick in self._get_ticks(self.x_min, self.x_max, 
self.x_step, self.x_scalar)]
+               #create x tick labels
+               y_tick_labels = [(tick, self._get_tick_label(tick, 
self.y_units))
+                       for tick in self._get_ticks(self.y_min, self.y_max, 
self.y_step, self.y_scalar)]
+               #create x label
+               x_label_str = self.x_units and "%s (%s%s)"%(self.x_label, 
self.x_prefix, self.x_units) or self.x_label
+               x_label = gltext.Text(x_label_str, bold=True, 
font_size=UNITS_TEXT_FONT_SIZE, centered=True)
+               #create y label
+               y_label_str = self.y_units and "%s (%s%s)"%(self.y_label, 
self.y_prefix, self.y_units) or self.y_label
+               y_label = gltext.Text(y_label_str, bold=True, 
font_size=UNITS_TEXT_FONT_SIZE, centered=True)
+               #create title
+               title_label = gltext.Text(self.title, bold=True, 
font_size=TITLE_TEXT_FONT_SIZE, centered=True)
+               ##################################################
+               # Resize the padding
+               ##################################################
+               self.padding_top = max(2*TITLE_LABEL_PADDING + 
title_label.get_size()[1], self.padding_top_min)
+               self.padding_right = max(0, self.padding_right_min)
+               self.padding_bottom = max(2*AXIS_LABEL_PADDING + 
TICK_LABEL_PADDING + x_label.get_size()[1] + max([label.get_size()[1] for tick, 
label in x_tick_labels]), self.padding_bottom_min)
+               self.padding_left = max(2*AXIS_LABEL_PADDING + 
TICK_LABEL_PADDING + y_label.get_size()[1] + max([label.get_size()[0] for tick, 
label in y_tick_labels]), self.padding_left_min)
+               ##################################################
+               # Draw Grid X
+               ##################################################
+               GL.glColor3f(*GRID_LINE_COLOR_SPEC)
+               for tick, label in x_tick_labels:
+                       scaled_tick = 
(self.width-self.padding_left-self.padding_right)*\
+                               
(tick/self.x_scalar-self.x_min)/(self.x_max-self.x_min) + self.padding_left-1
+                       self._draw_grid_line(
+                               (scaled_tick, self.padding_top),
+                               (scaled_tick, self.height-self.padding_bottom),
+                       )
+                       w, h = label.get_size()
+                       label.draw_text(wx.Point(scaled_tick-w/2, 
self.height-self.padding_bottom+TICK_LABEL_PADDING))
+               ##################################################
+               # Draw Grid Y
+               ##################################################
+               GL.glColor3f(*GRID_LINE_COLOR_SPEC)
+               for tick, label in y_tick_labels:
+                       scaled_tick = 
(self.height-self.padding_top-self.padding_bottom)*\
+                               (1 - 
(tick/self.y_scalar-self.y_min)/(self.y_max-self.y_min)) + self.padding_top
+                       self._draw_grid_line(
+                               (self.padding_left, scaled_tick),
+                               (self.width-self.padding_right, scaled_tick),
+                       )
+                       w, h = label.get_size()
+                       
label.draw_text(wx.Point(self.padding_left-w-TICK_LABEL_PADDING, 
scaled_tick-h/2))
+               ##################################################
+               # Draw Border
+               ##################################################
+               GL.glColor3f(*GRID_BORDER_COLOR_SPEC)
+               self._draw_rect(
+                       self.padding_left,
+                       self.padding_top,
+                       self.width - self.padding_right - self.padding_left,
+                       self.height - self.padding_top - self.padding_bottom,
+                       fill=False,
+               )
+               ##################################################
+               # Draw Labels
+               ##################################################
+               #draw title label
+               title_label.draw_text(wx.Point(self.width/2.0, 
TITLE_LABEL_PADDING + title_label.get_size()[1]/2))
+               #draw x labels
+               x_label.draw_text(wx.Point(
+                               
(self.width-self.padding_left-self.padding_right)/2.0 + self.padding_left,
+                               self.height-(AXIS_LABEL_PADDING + 
x_label.get_size()[1]/2),
+                               )
+               )
+               #draw y labels
+               y_label.draw_text(wx.Point(
+                               AXIS_LABEL_PADDING + y_label.get_size()[1]/2,
+                               
(self.height-self.padding_top-self.padding_bottom)/2.0 + self.padding_top,
+                       ), rotation=90,
+               )
+
+       def _get_tick_label(self, tick, unit):
+               """
+               Format the tick value and create a gl text.
+               @param tick the floating point tick value
+               @param unit the axis unit
+               @return the tick label text
+               """
+               if unit: tick_str = common.sci_format(tick)
+               else: tick_str = common.eng_format(tick)
+               return gltext.Text(tick_str, font_size=TICK_TEXT_FONT_SIZE)
+
+       def _get_ticks(self, min, max, step, scalar):
+               """
+               Determine the positions for the ticks.
+               @param min the lower bound
+               @param max the upper bound
+               @param step the grid spacing
+               @param scalar the grid scaling
+               @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*scalar for i in range(start, stop+1)]
+
+       def enable_grid_lines(self, enable=None):
+               """
+               Enable/disable the grid lines.
+               @param enable true to enable
+               @return the enable state when None
+               """
+               if enable is None: return self._enable_grid_lines
+               self.lock()
+               self._enable_grid_lines = enable
+               self._grid_cache.changed(True)
+               self.unlock()
+
+       def _draw_grid_line(self, coor1, coor2):
+               """
+               Draw a dashed line from coor1 to coor2.
+               @param corr1 a tuple of x, y
+               @param corr2 a tuple of x, y
+               """
+               if not self.enable_grid_lines(): return
+               GL.glEnable(GL.GL_LINE_STIPPLE)
+               GL.glLineStipple(1, int("1110" + "0000" + "1110" + "0000", 2))
+               GL.glBegin(GL.GL_LINES)
+               GL.glVertex2f(*coor1)
+               GL.glVertex2f(*coor2)
+               GL.glEnd()
+               GL.glDisable(GL.GL_LINE_STIPPLE)
+
+       def _draw_rect(self, x, y, width, height, fill=True):
+               """
+               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
+               @param fill true to color inside of rectangle
+               """
+               GL.glBegin(fill and GL.GL_QUADS or GL.GL_LINE_LOOP)
+               GL.glVertex2f(x, y)
+               GL.glVertex2f(x+width, y)
+               GL.glVertex2f(x+width, y+height)
+               GL.glVertex2f(x, y+height)
+               GL.glEnd()
+
+       def _draw_point_label(self):
+               """
+               Draw the point label for the last mouse motion coordinate.
+               The mouse coordinate must be an X, Y tuple.
+               The label will be drawn at the X, Y coordinate.
+               The values of the X, Y coordinate will be scaled to the current 
X, Y bounds.
+               """
+               if not self.enable_point_label(): return
+               if not self._point_label_coordinate: return
+               x, y = self._point_label_coordinate
+               if x < self.padding_left or x > self.width-self.padding_right: 
return
+               if y < self.padding_top or y > self.height-self.padding_bottom: 
return
+               #scale to window bounds
+               x_win_scalar = float(x - 
self.padding_left)/(self.width-self.padding_left-self.padding_right)
+               y_win_scalar = float((self.height - y) - 
self.padding_bottom)/(self.height-self.padding_top-self.padding_bottom)
+               #scale to grid bounds
+               x_val = x_win_scalar*(self.x_max-self.x_min) + self.x_min
+               y_val = y_win_scalar*(self.y_max-self.y_min) + self.y_min
+               #create text
+               label_str = self._populate_point_label(x_val, y_val)
+               if not label_str: return
+               txt = gltext.Text(label_str, font_size=POINT_LABEL_FONT_SIZE)
+               w, h = txt.get_size()
+               #draw rect + text
+               GL.glColor3f(*POINT_LABEL_COLOR_SPEC)
+               if x > self.width/2: x -= w+2*POINT_LABEL_PADDING
+               self._draw_rect(x, y-h-2*POINT_LABEL_PADDING, 
w+2*POINT_LABEL_PADDING, h+2*POINT_LABEL_PADDING)
+               txt.draw_text(wx.Point(x+POINT_LABEL_PADDING, 
y-h-POINT_LABEL_PADDING))


Property changes on: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/grid_plotter_base.py
___________________________________________________________________
Added: svn:mergeinfo
   + 

Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/plotter_base.py
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/plotter_base.py
     2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/plotter_base.py
     2009-03-03 07:34:04 UTC (rev 10555)
@@ -23,26 +23,57 @@
 import wx.glcanvas
 from OpenGL import GL
 import common
-import threading
-import gltext
-import math
-import time
 
 BACKGROUND_COLOR_SPEC = (1, 0.976, 1, 1) #creamy white
-GRID_LINE_COLOR_SPEC = (.7, .7, .7) #gray
-GRID_BORDER_COLOR_SPEC = (0, 0, 0) #black
-TICK_TEXT_FONT_SIZE = 9
-TITLE_TEXT_FONT_SIZE = 13
-UNITS_TEXT_FONT_SIZE = 9
-TICK_LABEL_PADDING = 5
-POINT_LABEL_FONT_SIZE = 8
-POINT_LABEL_COLOR_SPEC = (1, 1, .5)
-POINT_LABEL_PADDING = 3
 
 ##################################################
+# GL caching interface
+##################################################
+class gl_cache(object):
+       """
+       Cache a set of gl drawing routines in a compiled list.
+       """
+
+       def __init__(self, draw):
+               """
+               Create a new cache.
+               @param draw a function to draw gl stuff
+               """
+               self.changed(True)
+               self._draw = draw
+
+       def init(self):
+               """
+               To be called when gl initializes.
+               Create a new compiled list.
+               """
+               self._grid_compiled_list_id = GL.glGenLists(1)
+
+       def draw(self):
+               """
+               Draw the gl stuff using a compiled list.
+               If changed, reload the compiled list.
+               """
+               if self.changed():
+                       GL.glNewList(self._grid_compiled_list_id, GL.GL_COMPILE)
+                       self._draw()
+                       GL.glEndList()
+                       self.changed(False)
+               #draw the grid
+               GL.glCallList(self._grid_compiled_list_id)
+
+       def changed(self, state=None):
+               """
+               Set the changed flag if state is not None.
+               Otherwise return the changed flag.
+               """
+               if state is None: return self._changed
+               self._changed = state
+
+##################################################
 # OpenGL WX Plotter Canvas
 ##################################################
-class _plotter_base(wx.glcanvas.GLCanvas, common.mutex):
+class plotter_base(wx.glcanvas.GLCanvas, common.mutex):
        """
        Plotter base class for all plot types.
        """
@@ -61,34 +92,55 @@
                self._resized_flag = True
                self._init_fcns = list()
                self._draw_fcns = list()
+               self._gl_caches = list()
                self.Bind(wx.EVT_PAINT, self._on_paint)
                self.Bind(wx.EVT_SIZE, self._on_size)
+               self.Bind(wx.EVT_ERASE_BACKGROUND, lambda e: None)
 
-       def register_init(self, fcn): self._init_fcns.append(fcn)
-       def register_draw(self, fcn, z=50):
+       def new_gl_cache(self, draw_fcn, draw_pri=50):
                """
+               Create a new gl cache.
+               Register its draw and init function.
+               @return the new cache object
+               """
+               cache = gl_cache(draw_fcn)
+               self.register_init(cache.init)
+               self.register_draw(cache.draw, draw_pri)
+               self._gl_caches.append(cache)
+               return cache
+
+       def register_init(self, init_fcn):
+               self._init_fcns.append(init_fcn)
+
+       def register_draw(self, draw_fcn, draw_pri=50):
+               """
                Register a draw function with a layer priority.
-               Large z values are drawn last.
-               Small z values are drawn first.
+               Large pri values are drawn last.
+               Small pri values are drawn first.
                """
                for i in range(len(self._draw_fcns)):
-                       if z < self._draw_fcns[i][0]:
-                               self._draw_fcns.insert(i, (z, fcn))
+                       if draw_pri < self._draw_fcns[i][0]:
+                               self._draw_fcns.insert(i, (draw_pri, draw_fcn))
                                return
-               self._draw_fcns.append((z, fcn))
+               self._draw_fcns.append((draw_pri, draw_fcn))
 
        def _on_size(self, event):
                """
                Flag the resize event.
                The paint event will handle the actual resizing.
                """
+               self.lock()
                self._resized_flag = True
+               self.unlock()
 
        def _on_paint(self, event):
                """
-               Respond to paint events, call update.
+               Respond to paint events.
                Initialize GL if this is the first paint event.
+               Resize the view port if the width or height changed.
+               Redraw the screen, calling the draw functions.
                """
+               self.lock()
                self.SetCurrent()
                #check if gl was initialized
                if not self._gl_init_flag:
@@ -97,7 +149,6 @@
                        self._gl_init_flag = True
                #check for a change in window size
                if self._resized_flag:
-                       self.lock()
                        self.width, self.height = self.GetSize()
                        GL.glMatrixMode(GL.GL_PROJECTION)
                        GL.glLoadIdentity()
@@ -105,325 +156,16 @@
                        GL.glMatrixMode(GL.GL_MODELVIEW)
                        GL.glLoadIdentity()
                        GL.glViewport(0, 0, self.width, self.height)
+                       for cache in self._gl_caches: cache.changed(True)
                        self._resized_flag = False
-                       self.unlock()
                #clear, draw functions, swap
                GL.glClear(GL.GL_COLOR_BUFFER_BIT)
-               self.lock()
                for fcn in self._draw_fcns: fcn[1]()
-               self.unlock()
                self.SwapBuffers()
+               self.unlock()
 
        def update(self):
                """
                Force a paint event.
-               Record the timestamp.
                """
                wx.PostEvent(self, wx.PaintEvent())
-               self._update_ts = time.time()
-
-##################################################
-# Grid Plotter Base Class
-##################################################
-class grid_plotter_base(_plotter_base):
-
-       def __init__(self, parent, padding):
-               _plotter_base.__init__(self, parent)
-               #setup grid cache
-               self._grid_cache = common.gl_cache(self._draw_grid)
-               self.register_init(self._grid_cache.init)
-               self.register_draw(self._grid_cache.draw)
-               self.enable_grid_lines(True)
-               #setup padding
-               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_label('X Label')
-               self.set_y_label('Y Label')
-               #init the grid to some value
-               self.set_x_grid(-1, 1, 1)
-               self.set_y_grid(-1, 1, 1)
-               #setup point label cache
-               self._point_label_cache = 
common.gl_cache(self._draw_point_label)
-               self.register_init(self._point_label_cache.init)
-               self.register_draw(self._point_label_cache.draw, 75)
-               #setup point label
-               self.enable_point_label(False)
-               self.set_point_label_coordinate(None)
-               common.point_label_thread(self)
-
-       def set_point_label_coordinate(self, coor):
-               """
-               Set the point label coordinate.
-               @param coor the coordinate x, y tuple or None 
-               """
-               self.lock()
-               self._point_label_coordinate = coor
-               self._point_label_cache.changed(True)
-               self.update()
-               self.unlock()
-
-       def enable_point_label(self, enable=None):
-               """
-               Enable/disable the point label.
-               @param enable true to enable
-               @return the enable state when None
-               """
-               if enable is None: return self._enable_point_label
-               self.lock()
-               self._enable_point_label = enable
-               self._point_label_cache.changed(True)
-               self.unlock()
-
-       def set_title(self, title):
-               """
-               Set the title.
-               @param title the title string
-               """
-               self.lock()
-               self.title = title
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def set_x_label(self, x_label, x_units=''):
-               """
-               Set the x label and units.
-               @param x_label the x label string
-               @param x_units the x units string
-               """
-               self.lock()
-               self.x_label = x_label
-               self.x_units = x_units
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def set_y_label(self, y_label, y_units=''):
-               """
-               Set the y label and units.
-               @param y_label the y label string
-               @param y_units the y units string
-               """
-               self.lock()
-               self.y_label = y_label
-               self.y_units = y_units
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def set_x_grid(self, minimum, maximum, step, scale=False):
-               """
-               Set the x grid parameters.
-               @param minimum the left-most value
-               @param maximum the right-most value
-               @param step the grid spacing
-               @param scale true to scale the x grid
-               """
-               self.lock()
-               self.x_min = float(minimum)
-               self.x_max = float(maximum)
-               self.x_step = float(step)
-               if scale:
-                       coeff, exp, prefix = 
common.get_si_components(max(abs(self.x_min), abs(self.x_max)))
-                       self.x_scalar = 10**(-exp)
-                       self.x_prefix = prefix
-               else:
-                       self.x_scalar = 1.0
-                       self.x_prefix = ''
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def set_y_grid(self, minimum, maximum, step, scale=False):
-               """
-               Set the y grid parameters.
-               @param minimum the bottom-most value
-               @param maximum the top-most value
-               @param step the grid spacing
-               @param scale true to scale the y grid
-               """
-               self.lock()
-               self.y_min = float(minimum)
-               self.y_max = float(maximum)
-               self.y_step = float(step)
-               if scale:
-                       coeff, exp, prefix = 
common.get_si_components(max(abs(self.y_min), abs(self.y_max)))
-                       self.y_scalar = 10**(-exp)
-                       self.y_prefix = prefix
-               else:
-                       self.y_scalar = 1.0
-                       self.y_prefix = ''
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def _draw_grid(self):
-               """
-               Draw the border, grid, title, and units.
-               """
-               ##################################################
-               # Draw Grid X
-               ##################################################
-               GL.glColor3f(*GRID_LINE_COLOR_SPEC)
-               for tick in self._get_ticks(self.x_min, self.x_max, 
self.x_step, self.x_scalar):
-                       scaled_tick = 
(self.width-self.padding_left-self.padding_right)*\
-                               
(tick/self.x_scalar-self.x_min)/(self.x_max-self.x_min) + self.padding_left-1
-                       self._draw_grid_line(
-                               (scaled_tick, self.padding_top),
-                               (scaled_tick, self.height-self.padding_bottom),
-                       )
-                       txt = self._get_tick_label(tick, self.x_units)
-                       w, h = txt.get_size()
-                       txt.draw_text(wx.Point(scaled_tick-w/2, 
self.height-self.padding_bottom+TICK_LABEL_PADDING))
-               ##################################################
-               # Draw Grid Y
-               ##################################################
-               GL.glColor3f(*GRID_LINE_COLOR_SPEC)
-               for tick in self._get_ticks(self.y_min, self.y_max, 
self.y_step, self.y_scalar):
-                       scaled_tick = 
(self.height-self.padding_top-self.padding_bottom)*\
-                               (1 - 
(tick/self.y_scalar-self.y_min)/(self.y_max-self.y_min)) + self.padding_top
-                       self._draw_grid_line(
-                               (self.padding_left, scaled_tick),
-                               (self.width-self.padding_right, scaled_tick),
-                       )
-                       txt = self._get_tick_label(tick, self.y_units)
-                       w, h = txt.get_size()
-                       
txt.draw_text(wx.Point(self.padding_left-w-TICK_LABEL_PADDING, scaled_tick-h/2))
-               ##################################################
-               # Draw Border
-               ##################################################
-               GL.glColor3f(*GRID_BORDER_COLOR_SPEC)
-               self._draw_rect(
-                       self.padding_left,
-                       self.padding_top,
-                       self.width - self.padding_right - self.padding_left,
-                       self.height - self.padding_top - self.padding_bottom,
-                       fill=False,
-               )
-               ##################################################
-               # Draw Title
-               ##################################################
-               #draw x units
-               txt = gltext.Text(self.title, bold=True, 
font_size=TITLE_TEXT_FONT_SIZE, centered=True)
-               txt.draw_text(wx.Point(self.width/2.0, .5*self.padding_top))
-               ##################################################
-               # Draw Labels
-               ##################################################
-               #draw x labels
-               x_label_str = self.x_units and "%s (%s%s)"%(self.x_label, 
self.x_prefix, self.x_units) or self.x_label
-               txt = gltext.Text(x_label_str, bold=True, 
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 labels
-               y_label_str = self.y_units and "%s (%s%s)"%(self.y_label, 
self.y_prefix, self.y_units) or self.y_label
-               txt = gltext.Text(y_label_str, bold=True, 
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 _get_tick_label(self, tick, unit):
-               """
-               Format the tick value and create a gl text.
-               @param tick the floating point tick value
-               @param unit the axis unit
-               @return the tick label text
-               """
-               if unit: tick_str = common.sci_format(tick)
-               else: tick_str = common.eng_format(tick)
-               return gltext.Text(tick_str, font_size=TICK_TEXT_FONT_SIZE)
-
-       def _get_ticks(self, min, max, step, scalar):
-               """
-               Determine the positions for the ticks.
-               @param min the lower bound
-               @param max the upper bound
-               @param step the grid spacing
-               @param scalar the grid scaling
-               @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*scalar for i in range(start, stop+1)]
-
-       def enable_grid_lines(self, enable=None):
-               """
-               Enable/disable the grid lines.
-               @param enable true to enable
-               @return the enable state when None
-               """
-               if enable is None: return self._enable_grid_lines
-               self.lock()
-               self._enable_grid_lines = enable
-               self._grid_cache.changed(True)
-               self.unlock()
-
-       def _draw_grid_line(self, coor1, coor2):
-               """
-               Draw a dashed line from coor1 to coor2.
-               @param corr1 a tuple of x, y
-               @param corr2 a tuple of x, y
-               """
-               if not self.enable_grid_lines(): return
-               GL.glEnable(GL.GL_LINE_STIPPLE)
-               GL.glLineStipple(1, int("1110" + "0000" + "1110" + "0000", 2))
-               GL.glBegin(GL.GL_LINES)
-               GL.glVertex2f(*coor1)
-               GL.glVertex2f(*coor2)
-               GL.glEnd()
-               GL.glDisable(GL.GL_LINE_STIPPLE)
-
-       def _draw_rect(self, x, y, width, height, fill=True):
-               """
-               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
-               @param fill true to color inside of rectangle
-               """
-               GL.glBegin(fill and GL.GL_QUADS or GL.GL_LINE_LOOP)
-               GL.glVertex2f(x, y)
-               GL.glVertex2f(x+width, y)
-               GL.glVertex2f(x+width, y+height)
-               GL.glVertex2f(x, y+height)
-               GL.glEnd()
-
-       def _draw_point_label(self):
-               """
-               Draw the point label for the last mouse motion coordinate.
-               The mouse coordinate must be an X, Y tuple.
-               The label will be drawn at the X, Y coordinate.
-               The values of the X, Y coordinate will be scaled to the current 
X, Y bounds.
-               """
-               if not self.enable_point_label(): return
-               if not self._point_label_coordinate: return
-               x, y = self._point_label_coordinate
-               if x < self.padding_left or x > self.width-self.padding_right: 
return
-               if y < self.padding_top or y > self.height-self.padding_bottom: 
return
-               #scale to window bounds
-               x_win_scalar = float(x - 
self.padding_left)/(self.width-self.padding_left-self.padding_right)
-               y_win_scalar = float((self.height - y) - 
self.padding_bottom)/(self.height-self.padding_top-self.padding_bottom)
-               #scale to grid bounds
-               x_val = x_win_scalar*(self.x_max-self.x_min) + self.x_min
-               y_val = y_win_scalar*(self.y_max-self.y_min) + self.y_min
-               #create text
-               label_str = self._populate_point_label(x_val, y_val)
-               if not label_str: return
-               txt = gltext.Text(label_str, font_size=POINT_LABEL_FONT_SIZE)
-               w, h = txt.get_size()
-               #draw rect + text
-               GL.glColor3f(*POINT_LABEL_COLOR_SPEC)
-               if x > self.width/2: x -= w+2*POINT_LABEL_PADDING
-               self._draw_rect(x, y-h-2*POINT_LABEL_PADDING, 
w+2*POINT_LABEL_PADDING, h+2*POINT_LABEL_PADDING)
-               txt.draw_text(wx.Point(x+POINT_LABEL_PADDING, 
y-h-POINT_LABEL_PADDING))

Modified: 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/waterfall_plotter.py
===================================================================
--- 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/waterfall_plotter.py
        2009-03-03 02:27:36 UTC (rev 10554)
+++ 
gnuradio/branches/developers/jblum/gui_guts/gr-wxgui/src/python/plotter/waterfall_plotter.py
        2009-03-03 07:34:04 UTC (rev 10555)
@@ -20,7 +20,7 @@
 #
 
 import wx
-from plotter_base import grid_plotter_base
+from grid_plotter_base import grid_plotter_base
 from OpenGL import GL
 import common
 import numpy
@@ -33,7 +33,7 @@
 LEGEND_WIDTH = 8
 LEGEND_FONT_SIZE = 8
 LEGEND_BORDER_COLOR_SPEC = (0, 0, 0) #black
-PADDING = 35, 60, 40, 60 #top, right, bottom, left
+MIN_PADDING = 0, 60, 0, 0 #top, right, bottom, left
 
 ceil_log2 = lambda x: 2**int(math.ceil(math.log(x)/math.log(2)))
 
@@ -91,14 +91,13 @@
                Create a new channel plotter.
                """
                #init
-               grid_plotter_base.__init__(self, parent, PADDING)
+               grid_plotter_base.__init__(self, parent, MIN_PADDING)
                #setup legend cache
-               self._legend_cache = common.gl_cache(self._draw_legend)
-               self.register_init(self._legend_cache.init)
-               self.register_draw(self._legend_cache.draw)
+               self._legend_cache = self.new_gl_cache(self._draw_legend)
+               #setup waterfall cache
+               self._waterfall_cache = self.new_gl_cache(self._draw_waterfall, 
50)
                #setup waterfall plotter
                self.register_init(self._init_waterfall)
-               self.register_draw(self._draw_waterfall)
                self._resize_texture(False)
                self._minimum = 0
                self._maximum = 0
@@ -264,4 +263,5 @@
                #convert the samples to RGBA data
                data = numpy.choose(samples, 
COLORS[self._color_mode]).tostring()
                self._buffer.append(data)
+               self._waterfall_cache.changed(True)
                self.unlock()





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