def update_drawing(self):
if (not self.connected):
return True
try:
# read drawingarea
fb = openmv.fb_dump()
except Exception as e:
self.disconnect()
self._update_title()
print("%s"%(e))
return True
if fb:
# create pixbuf from np array
self.pixbuf = gtk.gdk.pixbuf_new_from_array(fb[2], gtk.gdk.COLORSPACE_RGB, 8)
self.pixbuf = self.pixbuf.scale_simple(fb[0]*SCALE, fb[1]*SCALE, gtk.gdk.INTERP_BILINEAR)
self.drawingarea.realize();
cm = self.drawingarea.window.get_colormap()
gc = self.drawingarea.window.new_gc(foreground=cm.alloc_color('#FFFFFF',True,False))
self.drawingarea.set_size_request(fb[0]*SCALE, fb[1]*SCALE)
self.drawingarea.window.draw_pixbuf(gc, self.pixbuf, 0, 0, 0, 0)
if self.selection_started or self.da_menu.flags() & gtk.MAPPED:
self.drawingarea.window.draw_rectangle(gc, False, self.x1, self.y1, self.x2-self.x1, self.y2-self.y1)
return True
def update_drawing(self):
fb = None
if (self.enable_fb and self.connected):
try:
# read drawingarea
fb = openmv.fb_dump()
except Exception as e:
self.disconnect()
self._update_title()
return True
if fb:
self.fb = fb
# If preview is disabled, don't read any more frames.
# This needs to be set here, after reading a valid frame,
# to ensure that fb_request flag is cleared in firmware.
if self.disable_fb_request:
self.enable_fb = False
else:
fb = self.fb
if fb:
# create pixbuf from np array
self.pixbuf = gtk.gdk.pixbuf_new_from_array(fb[2], gtk.gdk.COLORSPACE_RGB, 8)
self.pixbuf = self.pixbuf.scale_simple(fb[0]*SCALE, fb[1]*SCALE, gtk.gdk.INTERP_BILINEAR)
self.drawingarea.realize();
cm = self.drawingarea.window.get_colormap()
gc = self.drawingarea.window.new_gc(foreground=cm.alloc_color('#FFFFFF',True,False))
self.drawingarea.set_size_request(fb[0]*SCALE, fb[1]*SCALE)
self.drawingarea.window.draw_pixbuf(gc, self.pixbuf, 0, 0, 0, 0)
if self.selection_started or self.da_menu.flags() & gtk.MAPPED:
self.drawingarea.window.draw_rectangle(gc, False, self.x1, self.y1, self.x2-self.x1, self.y2-self.y1)
return True
def update_drawing(self):
# read drawingarea
fb = openmv.fb_dump()
if fb:
# convert to RGB888 and blit
self.pixbuf = gtk.gdk.pixbuf_new_from_array(
fb[2].reshape((fb[1], fb[0], 3)), gtk.gdk.COLORSPACE_RGB, 8)
self.pixbuf = self.pixbuf.scale_simple(fb[0] * SCALE,
fb[1] * SCALE,
gtk.gdk.INTERP_BILINEAR)
self.drawingarea.realize()
cm = self.drawingarea.window.get_colormap()
gc = self.drawingarea.window.new_gc(
foreground=cm.alloc_color('#FFFFFF', True, False))
self.drawingarea.set_size_request(fb[0] * SCALE, fb[1] * SCALE)
self.drawingarea.window.draw_pixbuf(gc, self.pixbuf, 0, 0, 0, 0)
if self.selection_started or self.da_menu.flags() & gtk.MAPPED:
self.drawingarea.window.draw_rectangle(gc, False, self.x1,
self.y1,
self.x2 - self.x1,
self.y2 - self.y1)
return True
def update_drawing(self):
if (not self.connected):
return True
try:
# read drawingarea
fb = openmv.fb_dump()
except Exception, e:
self.disconnect()
self._update_title()
return True
def do_process(self):
try:
b = openmv.fb_dump()
except (IOError, USBError) as e:
print 'ImageUpdater error: %s' % e
self.error.emit(e)
else:
if b:
w = b[0]
h = b[1]
self.buff = b[2]
stride = w * 3
self.img = QImage(self.buff, w, h, stride, QImage.Format_RGB888)
self.update.emit(self.img)
def update_drawing(self):
# read drawingarea
fb = openmv.fb_dump()
if fb:
# convert to RGB888 and blit
self.pixbuf = gtk.gdk.pixbuf_new_from_array(fb[2].reshape((fb[1], fb[0], 3)), gtk.gdk.COLORSPACE_RGB, 8)
self.pixbuf = self.pixbuf.scale_simple(fb[0]*SCALE, fb[1]*SCALE, gtk.gdk.INTERP_BILINEAR)
self.drawingarea.realize();
cm = self.drawingarea.window.get_colormap()
gc = self.drawingarea.window.new_gc(foreground=cm.alloc_color('#FFFFFF',True,False))
self.drawingarea.set_size_request(fb[0]*SCALE, fb[1]*SCALE)
self.drawingarea.window.draw_pixbuf(gc, self.pixbuf, 0, 0, 0, 0)
if self.selection_started or self.da_menu.flags() & gtk.MAPPED:
self.drawingarea.window.draw_rectangle(gc, False, self.x1, self.y1, self.x2-self.x1, self.y2-self.y1)
return True
# init pygame
pygame.init()
# init openmv
openmv.init()
# init screen
running = True
Clock = pygame.time.Clock()
font = pygame.font.SysFont("monospace", 15)
while running:
Clock.tick(60)
# read framebuffer
fb = openmv.fb_dump()
if fb == None:
continue
# create image from RGB888
image = pygame.image.frombuffer(fb[2].flat[0:], (fb[0], fb[1]), "RGB")
# TODO check if res changed
screen = pygame.display.set_mode((fb[0], fb[1]), pygame.DOUBLEBUF, 32)
# blit stuff
screen.blit(image, (0, 0))
screen.blit(font.render("FPS %.2f" % (Clock.get_fps()), 1, (255, 0, 0)), (0, 0))
# update display
pygame.display.flip()
# init pygame
pygame.init()
# init openmv
openmv.init()
# init screen
running = True
Clock = pygame.time.Clock()
font = pygame.font.SysFont("monospace", 15)
while running:
Clock.tick(60)
# read framebuffer
fb = openmv.fb_dump()
if fb == None:
continue
# create image from RGB888
image = pygame.image.frombuffer(fb[2].flat[0:], (fb[0], fb[1]), 'RGB')
# TODO check if res changed
screen = pygame.display.set_mode((fb[0], fb[1]), pygame.DOUBLEBUF, 32)
# blit stuff
screen.blit(image, (0, 0))
screen.blit(font.render("FPS %.2f"%(Clock.get_fps()), 1, (255, 0, 0)), (0, 0))
# update display
pygame.display.flip()
