Initial commit of OpenSPARC T2 architecture model.

[OpenSPARC-T2-SAM] / sam-t2 / devtools / v8plus / lib / python2.4 / site-packages / Pmw / Pmw_1_2 / demos / Spectrum.py

title = 'Color spectrum demonstration'

# Import Pmw from this directory tree.
import sys
sys.path[:0] = ['../../..']

import string
import Tkinter
import Pmw

class Demo:
   def __init__(self, parent):
       parent = Tkinter.Frame(parent)
       parent.pack(padx=10, pady=10, fill='both', expand=1)
       self.width = 350
       self.height = 250
       self.canvas = Tkinter.Canvas(parent,
               width = self.width, height = self.height)
       self.canvas.grid(row = 0, column = 0, columnspan = 2, sticky = 'news')

       self.numColors = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Number of colors:',
               entry_width = 5,
               validate = 'numeric',
               command = Pmw.busycallback(self.execute))
       self.numColors.grid(row = 1, column = 0, sticky = 'ew')

       self.correction = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Correction:',
               validate = 'real',
               entry_width = 5,
               command = Pmw.busycallback(self.execute))
       self.correction.grid(row = 1, column = 1, sticky = 'ew')

       self.saturation = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Saturation:',
               validate = 'real',
               entry_width = 5,
               command = Pmw.busycallback(self.execute))
       self.saturation.grid(row = 2, column = 0, sticky = 'ew')

       self.intensity = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Intensity:',
               validate = 'real',
               entry_width = 5,
               command = Pmw.busycallback(self.execute))
       self.intensity.grid(row = 2, column = 1, sticky = 'ew')

       self.extraOrange = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Emphasize orange (0 or 1):',
               validate = {'validator' : 'numeric', 'min' : 0, 'max' : 1},
               entry_width = 5,
               command = Pmw.busycallback(self.execute))
       self.extraOrange.grid(row = 3, column = 0, sticky = 'ew')

       self.text = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Text:',
               entry_width = 20,
               command = Pmw.busycallback(self.execute))
       self.text.grid(row = 4, column = 0, sticky = 'ew')

       self.brightness = Pmw.EntryField(parent,
               labelpos = 'w',
               label_text = 'Brightness:',
               validate = 'real',
               entry_width = 5,
               command = Pmw.busycallback(self.execute))
       self.brightness.grid(row = 3, column = 1, sticky = 'ew')

       self.radiobuttons = Pmw.RadioSelect(parent,
               command = Pmw.busycallback(self.radio_cb),
       )
       self.radiobuttons.grid(row = 4, column = 1)
       self.radiobuttons.add('Use saturation\nand intensity')
       self.radiobuttons.add('Use\nbrightness')

       parent.grid_columnconfigure(0, weight = 1)
       parent.grid_columnconfigure(1, weight = 1)
       parent.grid_rowconfigure(0, weight = 1)

       Pmw.alignlabels((self.numColors, self.saturation, self.extraOrange))
       Pmw.alignlabels((self.correction, self.intensity, self.brightness))

       # Set initial values for all entries.
       self.numColors.setentry('64')
       self.correction.setentry('1.0')
       self.saturation.setentry('1.0')
       self.intensity.setentry('1.0')
       self.extraOrange.setentry('1')
       self.brightness.setentry('0.7')
       self.text.setentry('This is a test')
       self.radiobuttons.invoke('Use saturation\nand intensity')

       self.execute()

   def radio_cb(self, value):
       self.execute()

   def execute(self):
       try:
           numColors = string.atoi(self.numColors.get())
           correction = string.atof(self.correction.get())
           saturation = string.atof(self.saturation.get())
           intensity = string.atof(self.intensity.get())
           extraOrange = string.atof(self.extraOrange.get())
           brightness = string.atof(self.brightness.get())
       except ValueError:
           self.numColors.bell()
           return

       if numColors <= 0:
           self.numColors.bell()
           return

       self.canvas.delete('all')

       colorList = Pmw.Color.spectrum(
               numColors, correction, saturation, intensity, extraOrange)
       extent = 360.0 / numColors

       useBrightness = \
               (self.radiobuttons.getcurselection() == 'Use\nbrightness')

       if numColors == 1:
           # Special case circle, since create_arc does not work when
           # extent is 360.
           background = colorList[0]
           if useBrightness:
               background = Pmw.Color.changebrightness(
                       self.canvas, background, brightness)
           self.canvas.create_oval(10, 10, self.width - 10, self.height - 10,
               fill = background, outline = background)

       for index in range(numColors):
           start = index * extent - extent / 2
           background = colorList[index]
           if useBrightness:
               background = Pmw.Color.changebrightness(
                       self.canvas, background, brightness)
           self.canvas.create_arc(10, 10, self.width - 10, self.height - 10,
               start = start, extent = extent,
               fill = background, outline = background)

       text = self.text.get()
       self.canvas.create_text(self.width / 2, self.height / 3, text = text)
       self.canvas.create_text(self.width / 2, self.height / 2, text = text)
       self.canvas.create_text(self.width / 2, 2 * self.height / 3, text = text)

######################################################################

# Create demo in root window for testing.
if __name__ == '__main__':
   root = Tkinter.Tk()
   Pmw.initialise(root)
   root.title(title)

   exitButton = Tkinter.Button(root, text = 'Exit', command = root.destroy)
   exitButton.pack(side = 'bottom')
   widget = Demo(root)
   root.mainloop()