diff options
Diffstat (limited to 'data/graphics/camera')
| -rw-r--r-- | data/graphics/camera | 29 |
1 files changed, 18 insertions, 11 deletions
diff --git a/data/graphics/camera b/data/graphics/camera index 6eea88f..023e04f 100644 --- a/data/graphics/camera +++ b/data/graphics/camera @@ -1,50 +1,57 @@ -# image: take a picture +# camera: take a picture, animate it on screen import gst, pippy, pygame, sys, time -from random import * - -# XO screen is 1200 by 900 -size = width, height = 1200, 900 # grey background -bgcolor = (128,128,128) +bgcolor = (128, 128, 128) # grab a frame from camera to file pipeline = gst.parse_launch('v4l2src ! ffmpegcolorspace ! jpegenc ! filesink location=/tmp/pippypic.jpg') pipeline.set_state(gst.STATE_PLAYING) -# pygame always needs to be initialized as the first call +# start using pygame pygame.init() # turn off cursor pygame.mouse.set_visible(False) -# create the pygame window at the desired size and return a Surface object for +# create the pygame window and return a Surface object for # drawing in that window. -screen = pygame.display.set_mode(size) +screen = pygame.display.set_mode() +# pause for a second to allow the camera frame to be grabbed time.sleep(1) + +# stop the camera frame grabbing pipeline.set_state(gst.STATE_NULL) -# load in previously grabbed frame +# load in the grabbed camera frame image = pygame.image.load("/tmp/pippypic.jpg") angle = 0.0 scale = 2.0 while pippy.pygame.next_frame(): + # every time we animate, check for quit or keydown events and exit for event in pygame.event.get(): if event.type == pygame.QUIT: sys.exit() elif event.type == pygame.KEYDOWN: sys.exit() - newImage = pygame.transform.rotozoom(image, angle,scale) + # angle and scale the image + newImage = pygame.transform.rotozoom(image, angle, scale) newImageRect = newImage.get_rect() newImageRect.centerx = screen.get_rect().centerx newImageRect.centery = screen.get_rect().centery + # display the angled and scaled image screen.fill(bgcolor) screen.blit(newImage, newImageRect) pygame.display.flip() + # choose a new angle and scale angle = angle + 5.0 scale = scale * 0.95 + + # finish once the scale becomes very very small + if scale < 0.001: + break |