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drawtmp.py
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drawtmp.py
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
from functools import partial
from itertools import permutations
from PySide import QtCore, QtGui
from PySide.QtCore import QPointF, QRectF, QLineF
from PySide.QtGui import QTransform, QColor, QVector2D
import json
import atexit
has_midi = False
try:
import pypm
has_midi = True
except:
pass
class floatn:
def __init__(self, *args):
if(len(args)==0):
self.values = [0.0]*4
else:
self.values = list(args)
for val in list(permutations('xyzw'))+['x','y','z','w']:
setattr(self, ''.join(val), partial(self.__getitem__, ''.join(val)))
def lookupIdx(self, id):
return [ord(c)-ord('x') for c in id]
def __getitem__(self, idx):
if isinstance(idx, (int, long)):
return self.values[idx]
else:
ret = [self.values[i] for i in self.lookupIdx(idx)]
if len(idx) == 1:
return ret[0]
else:
return ret
def __setitem__(self, idx, val):
if isinstance(idx, (int, long)):
self.value[idx] = val
else:
if isinstance(val, (QVector2D)):
val = [val.x(), val.y()]
if isinstance(val, (int)):
val = val*1.0
if isinstance(val, (float)):
val = [val]
for idx, clsIdx in enumerate(self.lookupIdx(idx)):
self.values[clsIdx] = val[idx]
def __repr__(self):
return "%s(%s)" % (self.__class__.__name__, ','.join([str(v) for v in self.values]))
class float2(floatn):
pass
class float4(floatn):
pass
def find_points(ppoi, eye):
retpt = float4(0.0,0.0,0.0,0.0)
scale = -1.0*ppoi['y']/eye['y'];
scaleinner = 0.0
retpt['x'] = ppoi['x']+(eye['x']*scale); #if at first cube plane
print retpt['x']
if (0.0 < retpt['x'] and retpt['x'] < 1.0):
retpt['y'] = 0.0; # (DEFINED)
elif (retpt['x'] > 1.0):#below
if(eye['x']>0.0):#Eye goes down
retpt['y'] = 0.0#float('nan');
else:#Eye goes up
retpt['y'] = ((1.0-retpt['x'])*eye['y'])/eye['x']
print "EyeY:", retpt['y']
retpt['x'] = 1.0
if retpt['y'] > 1.0:
retpt['y'] = 0.0 # NAN
return float4(0.0,0.0,0.0,0.0)
elif (retpt['x'] < 0.0):#over
if(eye['x']<0.0):#Eye goes up
retpt['y'] = 0.0#float('nan');
else:#Eye goes up
retpt['y'] = ((-1.0*retpt['x'])*eye['y'])/eye['x']
print "EyeY:", retpt['y']
retpt['x'] = 0.0
if retpt['y'] > 1.0:
retpt['y'] = 0.0 # NAN
return float4(0.0,0.0,0.0,0.0)
scaleinner = (1.0-retpt['y'])/eye['y'];
retpt['z'] = retpt['x'] + eye['x'] * scaleinner;#antar at dybden på kuben alltid er 1
retpt['w'] = retpt['y'] + eye['y'] * scaleinner;
if (0.0 < retpt['z'] and retpt['z'] < 1.0):
retpt['w'] = 1.0; # (DEFINED)
elif (retpt['z'] > 1.0):#below
if(eye['x']>0.0):#Eye goes down
retpt['w'] = 0.0#float('nan');
else:#Eye goes up
retpt['w'] = ((1.0-retpt['z'])*eye['y'])/eye['x']
print "EyeY:", retpt['w']
retpt['z'] = 1.0
elif (retpt['z'] < 0.0):#over
if(eye['x']<0.0):#Eye goes up
retpt['w'] = 0.0#float('nan');
else:#Eye goes up
retpt['w'] = ((-1.0*retpt['z'])*eye['y'])/eye['x']
print "EyeY:", retpt['w']
retpt['z'] = 0.0
if retpt['w'] > 1.0:
retpt['w'] = 0.0 # NAN
return float4(0.0,0.0,0.0,0.0)
return retpt;
class Example(QtGui.QWidget):
def __init__(self):
global has_midi
self.mrotation = 0
self.mtranslate = QPointF(0.0,0.0)
self.mscale = QPointF(1.0,1.0)
self.dof = -2.0
self.epx = 0.5
self.ppx = 0.6
self.ppy = 0.0
self.loadFile()
super(Example, self).__init__()
if has_midi:
self.midi = pypm.Input(0)
self.timer = QtCore.QTimer(self);
self.timer.timeout.connect(self.timerEvent)
self.timer.start(100)
self.initUI()
def loadFile(self):
try:
json_data=open('json_data.txt')
variables = json.load(json_data)
json_data.close()
self.mrotation = variables['mrotation']
self.mtranslate.setX(variables['mtranslatex'])
self.mtranslate.setY(variables['mtranslatey'])
self.mscale.setX(variables['mscalex'])
self.mscale.setY(variables['mscaley'])
self.dof = variables['dof']
self.epx = variables['epx']
self.ppx = variables['ppx']
self.ppy = variables['ppy']
except:
print "Could not load file"
def saveFile(self):
data = {}
data['mrotation'] = self.mrotation
data['mtranslatex'] = self.mtranslate.x()
data['mtranslatey'] = self.mtranslate.y()
data['mscalex'] = self.mscale.x()
data['mscaley'] = self.mscale.y()
data['dof'] = self.dof
data['epx'] = self.epx
data['ppx'] = self.ppx
data['ppy'] = self.ppy
try:
json_data=open('json_data.txt', 'w')
json_data.write(json.dumps(data))
json_data.close()
except:
print "Could not save file"
def initUI(self):
self.setGeometry(300, 300, 500, 500)
self.setWindowTitle('Transform test')
self.show()
def timerEvent(self):
gotpkg = False
while True:
pkg = self.midi.Read(1)
if pkg:
gotpkg = True
data, counter = pkg[0]
bank, instrument, value, val2 = data
if instrument==2:
self.mrotation = int(value*2.83)
if instrument==3:
self.mscale.setX(value/75.0)
if(self.mscale.x()==0.0):
self.mscale.setX(0.001)
if instrument==4:
self.mscale.setY((value/127.0)**1.25)
if(self.mscale.y()==0.0):
self.mscale.setY(0.001)
if instrument==15:
self.mtranslate.setX((value/32.0)-2.0)
if instrument==16:
self.mtranslate.setY((value/32.0)-2.0)
if instrument==5:
self.epx = (value/20.0)-1.75
if instrument==17:
self.dof = value/-32.0
if(self.dof==0.0):
self.dof = 0.001
if instrument==6:
self.ppx = (value/20.0)-1.75
if instrument==18:
self.ppy = value/-32.0
if(self.ppy==0.0):
self.ppy = 0.001
print bank,instrument,value, int(value*7.88)
else:
break
if gotpkg:
self.repaint()
def paintEvent(self, event):
#mtx = self.mtx
mtx = QTransform()
mtx.rotate(self.mrotation)
mtx.scale(self.mscale.x(), self.mscale.y())
mtx.translate(self.mtranslate.x(), self.mtranslate.y())
eyepos = QPointF(self.epx, self.dof)
ppoi = QPointF(self.ppx, self.ppy)
point = QRectF(0.0,0.0,0.05,0.05);
tpoi = mtx.map(ppoi)
teyepos = mtx.map(eyepos)
evec = QVector2D(tpoi - teyepos).normalized()
pts = find_points(float2(tpoi.x(),tpoi.y()), float2(evec.x(), evec.y()))
print pts
qp = QtGui.QPainter()
qp.begin(self)
qp.scale(self.width()/5.0,self.height()/5.0)
qp.translate(2.5,2.5)
#draw voxel bounds
qp.drawRect(QRectF(0.0,0.0,1.0,1.0))
#qp.transform(mtx)
#draw eyepos
point.moveTo(mtx.map(eyepos))
qp.fillRect(point, QColor("black"))
point.moveTo(mtx.map(ppoi))
qp.fillRect(point, QColor("grey"))
qp.setPen(QColor("cyan"))
qp.drawLine(mtx.map(QLineF(-0.5,0.0,1.5,0.0)))
qp.setPen(QColor("blue"))
qp.drawLine(mtx.map(QLineF(-0.0,0.0,1.0,0.0)))
qp.setPen(QColor("lime"))
qp.drawLine(QLineF(eyepos,ppoi))
qp.setPen(QColor("green"))
qp.drawLine(QLineF(teyepos,tpoi))
qp.setPen(QColor("orange"))
qp.drawLine(QLineF(pts['x'],pts['y'],pts['z'], pts['w']))
point.moveTo(QPointF(pts['x'],pts['y']))
qp.fillRect(point, QColor("red"))
point.moveTo(QPointF(pts['z'],pts['w']))
qp.fillRect(point, QColor("pink"))
qp.end()
def drawText(self, event, qp):
qp.setPen(QtGui.QColor(168, 34, 3))
qp.setFont(QtGui.QFont('Decorative', 10))
qp.drawText(event.rect(), QtCore.Qt.AlignCenter, self.text)
def main():
global has_midi
app = QtGui.QApplication(sys.argv)
print "Get devinfo"
if has_midi:
interf,name,inp,outp,opened = pypm.GetDeviceInfo(0)
print "Got devinfo"
ex = Example()
atexit.register(ex.saveFile)
atexit.register(app.exec_)
if __name__ == '__main__':
main()