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screens.py
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screens.py
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# The following lists are for my colour standards.
red = (255,0,0)
green = (106,255,69)
blue = (99,157,255)
yellow = (255,221,5)
black = (0,0,0)
white = (255,255,255)
## The following lists/objects are for UI elements.
#titleFont = "babs.otf"
#blueInsignia = pygame.image.load('/assets/insigniablue.png')
#backplane = pygame.image.load('/assets/background.png')
#backgraph = pygame.image.load('/assets/backgraph.png')
#slider = pygame.image.load('/assets/slider.png')
#sliderb = pygame.image.load('/assets/slider2.png')
# the following function plots the environment sensors to an onscreen graph
def graphScreen(surface,humidGraph,tempGraph,pressGraph,moire,tock,graphinit,buttons,csvfile,rot):
status = "graphgo"
drawinterval = 1 #64
senseinterval = 10
#337
# Because the graph screen is slow to update it needs to pop a reading onto screen as soon as it is initiated I draw a value once and wait for the interval to lapse for the next draw. Once the interval has lapsed pop another value on screen.
moire.animate()
if (graphinit.get() == 0) or (tock.timelapsed() >= drawinterval):
#Sets a black screen ready for our UI elements
surface.fill(black)
#draws Background gridplane
graphback = Image()
graphback.update(backgraph, 0, 0)
graphback.draw(surface)
#instantiates 3 labels for our readout
templabel = Label()
humidlabel = Label()
presslabel = Label()
intervallabel = Label()
intervallabelshadow = Label()
slider1 = Image()
slider2 = Image()
slider3 = Image()
#gets our data
senseData = sensorget()
csvfile.logvalues(senseData)
#parses dictionary of data from sensor/weather.
#converts humid data to float
humidData = float(senseData['humidity'])
#scales the data to the limits of our screen
humidgraph = translate(humidData, 0, 100, 204, 17)
#grabs a simple 61 wide tuple for our values
humidbuffer = humidGraph.grablist()
#puts a new sensor value at the end
humidbuffer.append(humidgraph)
#pop the oldest value off
humidbuffer.pop(0)
#preps the list by adding the X coordinate to every sensor value
humidcords = humidGraph.graphprep(humidbuffer)
#repeat for each sensor
tempData = float(senseData['temp'])
tempgraph = translate(tempData, -40, 120, 204, 17)
tempbuffer = tempGraph.grablist()
tempbuffer.append(tempgraph)
tempbuffer.pop(0)
tempcords = tempGraph.graphprep(tempbuffer)
pressData = float(senseData['pressure'])
pressgraph = translate(pressData, 260, 1260, 204, 17)
pressbuffer = pressGraph.grablist()
pressbuffer.append(pressgraph)
pressbuffer.pop(0)
presscords = pressGraph.graphprep(pressbuffer)
tempcontent = str(int(tempData))
templabel.update(tempcontent + "\xb0" + " c",30,35,205,titleFont,red)
presscontent = str(int(pressData))
presslabel.update(presscontent + " hpa",30,114,205,titleFont,yellow)
humidcontent = str(int(humidData))
humidlabel.update(humidcontent + " %",30,246,205,titleFont,green)
#templabel.update(tempData + "\xb0",16,15,212,titleFont,yellow)
setting = str(float(drawinterval))
intervaltext = (setting + ' sec')
interx= (22)
intery= (21)
# intervallabel.update("~"+setting + " Hrs",30,22,167,titleFont,white)
#intervallabelshadow.update(setting + " Hrs",30,24,169,titleFont,(100,100,100))
intervallabel.update(intervaltext,30,interx,intery,titleFont,white)
intervallabelshadow.update(intervaltext, 30, interx + 2, intery + 2 ,titleFont,(100,100,100))
tempslide = translate(senseData['temp'], -40, 120, 194, 7)
pressslide = translate(senseData['pressure'], 260, 1260, 194, 7)
humidslide = translate(senseData['humidity'], 0, 100, 194, 7)
slider1.update(sliderb, 283, tempslide)
slider2.update(sliderb, 283, pressslide)
slider3.update(sliderb, 283, humidslide)
#draw the lines
pygame.draw.lines(surface, red, False, tempcords, 3)
pygame.draw.lines(surface, green, False, humidcords, 3)
pygame.draw.lines(surface, yellow, False, presscords, 3)
templabel.draw(surface)
presslabel.draw(surface)
humidlabel.draw(surface)
intervallabelshadow.draw(surface)
intervallabel.draw(surface)
#draws UI to frame buffer
slider1.draw(surface)
slider2.draw(surface)
slider3.draw(surface)
if (rot.read() == True):
surface.blit(pygame.transform.rotate(surface, 180), (0, 0))
pygame.display.flip()
if (graphinit.get() == 0):
graphinit.logstart()
if (tock.timelapsed() >= 10):
tock.logtime()
#status = "graphgo"
#returns state to main loop
status = butswitch(status,graphinit,moire,rot,buttons)
#button_readings = buttons.read()
#returns state to main loop
return status