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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# libavg - Media Playback Engine.
# Copyright (C) 2003-2014 Ulrich von Zadow
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Current versions can be found at www.libavg.de
#
# Original author of this file is Robert Parcus <betoparcus@gmail.com>
from libavg import *
import random
import math
import time
R = 40.0
g_Trigger = True
class SpeedDiv(app.MainDiv):
def onArgvParserCreated(self, parser):
usage = '%prog [options]\n' \
'Checks libavg performance by creating lots of polygon nodes. ' \
'Displays a frame time graph and executes for 20 secs.'
parser.set_usage(usage)
parser.add_option('--hole-polygon', '-y', dest='hole',
action='store_true', default=False,
help='generate polygons with holes')
parser.add_option('--create-nodes', '-c', dest='create',
action='store_true', default=False,
help='destroy and recreate all nodes every 400 ms')
parser.add_option('--move', '-m', dest='move',
action='store_true', default=False,
help='move nodes every frame')
parser.add_option('--vsync', '-s', dest='vsync',
action='store_true', default=False,
help='sync output to vertical refresh')
parser.add_option('--num-objs', '-n', dest='numObjs',
type='int', default=40,
help='number of polygons to create [Default: 40]')
parser.add_option('--num-points', '-x', dest='numPoints',
type='int', default=10,
help='number of points in each polygon [Default: 10]')
parser.add_option('--profile', '-p', dest='profile',
action='store_true', default=False,
help='enable profiling output, note that profiling makes things slower')
def onArgvParsed(self, options, args, parser):
self.__optHole = options.hole
self.__optCreate = options.create
self.__optMove = options.move
self.__optVsync = options.vsync
self.__optNumObjs = options.numObjs
if self.__optNumObjs < 1:
self.__optNumObjs = 40
self.__optNumPoints = options.numPoints
if self.__optNumPoints < 10:
self.__optNumPoints = 10
elif self.__optNumPoints % 2 != 0:
self.__optNumPoints -= 1
log = avg.logger
log.configureCategory(log.Category.CONFIG, log.Severity.DBG)
if options.profile:
log.configureCategory(log.Category.PROFILE, log.Severity.DBG)
def onInit(self):
if not self.__optVsync:
player.setFramerate(1000)
tstart = time.time()
self.__createNodes()
print 'Time to create nodes: %f' % (time.time()-tstart)
app.instance.debugPanel.toggleWidget(app.debugpanel.FrametimeGraphWidget)
if self.__optCreate:
player.setInterval(400, self.__createNodes)
# Ignore the first frame for the 20 sec-limit so long startup times don't
# break things.
player.setTimeout(0, lambda: player.setTimeout(20000, player.stop))
def onFrame(self):
if self.__optMove:
self.__moveNodes()
def __createNodes(self):
self.__nodes = []
for i in xrange(self.__optNumObjs):
pos = (random.randrange(800-64), random.randrange(600-64))
polyPos = self.__calPolyCords(pos, R)
holes = []
if self.__optHole:
holes = (self.__calPolyCords(pos, R/2), )
node = avg.PolygonNode(parent=self, pos=polyPos, fillopacity=1, holes=holes)
self.__nodes.append(node)
if self.__optCreate:
player.setTimeout(300, self.__deleteNodes)
def __deleteNodes(self):
for node in self.__nodes:
node.unlink(True)
self.__nodes = []
def __moveNodes(self):
global g_Trigger
for node in self.__nodes:
newPos = []
if g_Trigger:
newPos = [(i[0]+1, i[1]+1) for i in node.pos]
else:
newPos = [(i[0]-1, i[1]-1) for i in node.pos]
node.pos = newPos
g_Trigger = not g_Trigger
def __calPolyCords(self, offset, r):
r2 = r/2
alpha = math.radians(360.0 / (self.__optNumPoints/2))
beta = alpha/2
result = []
for i in xrange(self.__optNumPoints/2):
result.append((r*math.cos(i*alpha) + offset[0],
r*math.sin(i*alpha) + offset[1]))
result.append((r2*math.cos(i*alpha+beta) + offset[0],
r2*math.sin(i*alpha+beta) + offset[1]))
return result
if __name__ == '__main__':
app.App().run(SpeedDiv(), app_resolution='800x600')
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