109 lines
2.8 KiB
Python
Executable File
109 lines
2.8 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# -*- mode: Python -*-
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'''
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colorcycle
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v0.1.0
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A simple effect : cycle colors
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Licensed under GNU GPLv3
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by cocoa
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'''
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from __future__ import print_function
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import sys
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import ast
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import os
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import argparse
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import random
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import time
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name = "filters::cycle"
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argsparser = argparse.ArgumentParser(description="Redis exporter LJ")
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argsparser.add_argument("-x","--centerX",help="geometrical center X position",default=300,type=int)
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argsparser.add_argument("-y","--centerY",help="geometrical center Y position",default=300,type=int)
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argsparser.add_argument("-m","--min",help="Lowest value in the range 0-255",default=10,type=int)
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argsparser.add_argument("-M","--max",help="Highest value in the range 0-255",default=255,type=int)
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argsparser.add_argument("-f","--fps",help="Frame Per Second",default=30,type=int)
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argsparser.add_argument("-v","--verbose",action="store_true",help="Verbose")
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args = argsparser.parse_args()
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fps = args.fps
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minVal = args.min
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maxVal = args.max
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centerX = args.centerX
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centerY = args.centerY
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verbose = args.verbose
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optimal_looptime = 1 / fps
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UP = 5
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DOWN = -5
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currentColor = [0,0,0]
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composant = 0
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currentDirection = UP
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def debug(*args, **kwargs):
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if( verbose == False ):
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return
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print(*args, file=sys.stderr, **kwargs)
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def rgb2int(rgb):
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return int('0x%02x%02x%02x' % tuple(rgb),0)
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def cycleColor( pl ):
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global composant
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global currentDirection
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# debug(name,"pl:{}".format(pl))
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value = currentColor[composant]
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if currentDirection == UP:
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target = maxVal
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else:
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target = minVal
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value += currentDirection
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currentColor[composant] = value
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debug(name,"currentColor:{}".format(currentColor))
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for i in range( 0, len(pl)):
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if pl[i][2] != 0:
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pl[i][2] = rgb2int( currentColor)
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# change the composant if target reached
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if value <= target and currentDirection == DOWN or value >= target and currentDirection == UP :
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composant = random.randint( 0,2)
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value = currentColor[composant]
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if value == 0 :
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currentDirection = UP
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else:
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currentDirection = DOWN
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#debug( "pl:{}".format(pl))
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return pl
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try:
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while True:
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start = time.time()
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line = sys.stdin.readline()
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if line == "":
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time.sleep(0.01)
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line = line.rstrip('\n')
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pointsList = ast.literal_eval(line)
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# Do the filter
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result = cycleColor( pointsList )
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print( result, flush=True )
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looptime = time.time() - start
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# debug(name+" looptime:"+str(looptime))
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if( looptime < optimal_looptime ):
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time.sleep( optimal_looptime - looptime)
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# debug(name+" micro sleep:"+str( optimal_looptime - looptime))
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except EOFError:
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debug(name+" break")# no more information
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