for prp

graph_example.py

# -*- coding: utf-8 -*-
import logging

from glfw import *
from OpenGL.GL import *

import numpy as np
# create logger for the context of this function

import time
from pyglui import ui
from pyglui.cygl.utils import init
from pyglui.cygl.utils import RGBA
from pyglui.pyfontstash import fontstash as fs
from pyglui.cygl.shader import Shader


width, height = (1280,300)



def basic_gl_setup():
    glEnable(GL_POINT_SPRITE )
    glEnable(GL_VERTEX_PROGRAM_POINT_SIZE) # overwrite pointsize
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
    glEnable(GL_BLEND)
    glClearColor(.8,.8,.8,1.)
    glEnable(GL_LINE_SMOOTH)
    # glEnable(GL_POINT_SMOOTH)
    glHint(GL_LINE_SMOOTH_HINT, GL_NICEST)
    glEnable(GL_LINE_SMOOTH)
    glEnable(GL_POLYGON_SMOOTH)
    glHint(GL_POLYGON_SMOOTH_HINT, GL_NICEST)


def adjust_gl_view(w,h,window):
    """
    adjust view onto our scene.
    """
    print(w,h)
    glViewport(0, 0, int(w), int(h))
    glMatrixMode(GL_PROJECTION)
    glLoadIdentity()
    glOrtho(0, w, h, 0, -1, 1)
    glMatrixMode(GL_MODELVIEW)
    glLoadIdentity()



global quit
quit = False

# Callback functions
def on_resize(window,w, h):
    h = max(h,1)
    w = max(w,1)
    hdpi_factor = glfwGetFramebufferSize(window)[0]/glfwGetWindowSize(window)[0]
    w,h = w*hdpi_factor,h*hdpi_factor
    active_window = glfwGetCurrentContext()
    glfwMakeContextCurrent(active_window)
    adjust_gl_view(w,h,window)
    glfwMakeContextCurrent(active_window)



def on_close(window):
    global quit
    quit = True
    logger.info('Process closing from window')

# get glfw started
glfwInit()

window = glfwCreateWindow(width, height, "pyglui demo", None, None)
if not window:
    exit()

glfwSetWindowPos(window,0,0)
# Register callbacks for the window
glfwSetWindowSizeCallback(window,on_resize)
glfwSetWindowCloseCallback(window,on_close)
# test out new paste function

glfwMakeContextCurrent(window)
init()
basic_gl_setup()


import os
import psutil
pid = os.getpid()
ps = psutil.Process(pid)
ts = time.time()


from pyglui import graph
cpu_g = graph.Line_Graph(data_points=1100/2)
cpu_g.pos = (0,270)
cpu_g.update_fn = ps.cpu_percent
cpu_g.update_rate = 1
cpu_g.label = 'CPU %0.1f'

cpu_g2 = graph.Line_Graph(data_points=1110/2.)
cpu_g2.pos = (0,270)
cpu_g2.update_fn = lambda : ps.cpu_percent()
cpu_g2.update_rate = 1
cpu_g2.label = 'CPU %0.1f'
cpu_g2.scale =1
cpu_g.scale =1


on_resize(window,*glfwGetWindowSize(window))

fb_size = glfwGetFramebufferSize(window)

hdpi_factor = getHDPIFactor(window)
cpu_g.adjust_window_size(*fb_size)
cpu_g2.adjust_window_size(*fb_size)

while not quit:
    cpu_g.update()
    cpu_g.draw()
    cpu_g2.update()
    cpu_g2.draw()

    glfwSwapBuffers(window)
    glfwPollEvents()
    glClearColor(.0,.0,.0,1)
    glClear(GL_COLOR_BUFFER_BIT)

glfwTerminate()