def _thread(cls):
pygame.init()
pygame.camera.init()
with picamera.PiCamera() as camera:
# camera setup
camera.resolution = (320, 240)
camera.hflip = True
camera.vflip = True
# let camera warm up
camera.start_preview()
time.sleep(2)
stream = io.BytesIO()
for foo in camera.capture_continuous(stream,
'jpeg',
use_video_port=True):
# store frame
stream.seek(0)
cls.frame = stream.read()
# reset stream for next frame
stream.seek(0)
stream.truncate()
# if there hasn't been any clients asking for frames in
# the last 10 seconds stop the thread
if time.time() - cls.last_access > 10:
break
cls.thread = None
def main():
# 1. Take picture
camera = picamera.PiCamera()
camera.start_preview()
sleep(5)
camera.capture('/home/pi/Desktop/image.jpg')
camera.stop_preview()
# 2. Display saved picture using pygame.
pygame.init()
fpsClock = pygame.time.Clock()
surface = pygame.display.set_mode((0, 0), pygame.FULLSCREEN)
black = (0, 0, 0)
image = pygame.image.load('/home/pi/Desktop/image.jpg')
while True:
surface.fill(black)
surface.blit(image, (0, 0))
for event in pygame.event.get():
if event.type == QUIT:
pygame.quit()
sys.exit()
pygame.display.update()
fpsClock.tick(30)
def get_current_image_as_jpg( camera, filename ):
if picamera_available == True:
camera.start_preview()
camera.capture(filename, format='jpeg', resize=(WIDTH,HEIGHT))
camera.stop_preview()
else:
img = camera.get_image()
pygame.image.save(img,filename)
return
#setup sht
pygame.init()
pygame.camera.init()
#set up for main video
display = pygame.display.set_mode((width, height), 0, 32)
pygame.display.set_caption("Blob Tracker")
#set up for picamerai
camera = picamera.PiCamera()
stream = picamera.array.PiRGBArray(camera)
camera.resolution = resolution
camera.vflip = True
#preview so we can see whats beeing seen.
camera.start_preview(fullscreen=False, window=(100, 20, 640, 480))
def close():
pygame.quit()
sys.exit()
while True:
x_pix = 0
y_pix = 0
l = 0
display.fill((255, 255, 255))
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.display.set_caption('RaspiRobot')
#cam = pygame.camera.Camera("/dev/video0", (640, 480))
#cam.start()
#image = cam.get_image()
#camlist = pygame.camera.list_cameras()
#if camlist:
# cam = pygame.camera.Camera(camlist[0], (640,480))
#pygame.mouse.set_visible(0)
from picamera import PiCamera
camera = PiCamera()
camera.preview_fullscreen = False
camera.preview_window = (0, 0, 640, 480)
camera.start_preview()
time.sleep(10)
camera.stop_preview()
steer = 90
speed = 0
left_limit = 60
right_limit = 120
GREEN = (0, 255, 0)
while True:
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
if event.type == KEYDOWN:
if event.key == K_UP:
def set_up():
#Width and height of screen
width = 700
height = 500
#resolution of camera
resolution = (700, 500)
#calculate the scale of pixels on canvas
w, h = resolution
scaleW = width / w
scaleH = height / h
#setup sht
pygame.init()
pygame.camera.init()
#set up for main video
display = pygame.display.set_mode((width, height), 0, 32)
pygame.display.set_caption("Blob Tracker")
#set up for picamerai
camera = picamera.PiCamera()
stream = picamera.array.PiRGBArray(camera)
camera.resolution = resolution
camera.vflip = True
#preview so we can see whats beeing seen.
camera.start_preview(fullscreen=False, window=(100, 20, 640, 480))
while True:
x_pix = 0
y_pix = 0
l = 0
display.fill((255, 255, 255))
for event in pygame.event.get():
if event.type == pygame.QUIT:
close()
break
#caspture a rbg picture to the stream
camera.capture(stream, 'rgb', use_video_port=True)
#somehow makes us process. lack luster docs....
stream.seek(0)
#iterate over all pix
for y in range(h):
for x in range(w):
#get pixs
r_vals = stream.array[y, x, 0]
g_vals = stream.array[y, x, 1]
b_vals = stream.array[y, x, 2]
if b_vals > g_vals and b_vals > r_vals and b_vals > 175:
x_pix += x
y_pix += y
l += 1
if l > 0:
#calc the mean
x_pix /= l
y_pix /= l
print('x', x_pix)
print('y', y_pix)
pygame.draw.circle(display, (255, 0, 0), (int(x_pix), int(y_pix)),
5, 0)
else:
print("nothing to report sir")
stream.seek(0)
stream.truncate()
pygame.display.update()
def take_picture():
camera = picamera.PiCamera()
camera.start_preview()
sleep(5)
camera.capture('/home/pi/Desktop/image.jpg')
camera.stop_preview()
