Пример #1
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 def get_text_size(self, text):
     # Returns the text size as a (width, height) tuple for reference,
     #  but doesn't actually draw anything because it doesn't pass a surface through
     return TextWriter.draw_text(None, text, (0, 0, 0), 0, 0)
Пример #2
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 def draw_text(self, text, colour, x_pos, y_pos, custom_text=None):
     # Returns the text size as a (width, height) tuple for reference
     text_size = TextWriter.draw_text(self, text, colour, x_pos, y_pos,
                                      custom_text)
     return text_size
Пример #3
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 def draw_text(self, text, colour, x_pos, y_pos, custom_text=None):
     # Returns the text size as a (width, height) tuple for reference
     text_size = TextWriter.draw_text(self, text, colour, x_pos, y_pos, custom_text)
     return text_size
Пример #4
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 def get_text_size(self, text):
     # Returns the text size as a (width, height) tuple for reference,
     #  but doesn't actually draw anything because it doesn't pass a surface through
     return TextWriter.draw_text(None, text, (0, 0, 0), 0, 0)
Пример #5
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class DanceSurface(object):
	"""
	The class representing the drawable dance floor. This is a wrapper around
	an internal representation of the dance floor, so that plugins need only
	write images using (x,y) coordinates and don't have to worry about the
	configuration of dance floor tiles. The dance surface is passed to the
	display plugins, and reacts to any changes made by sending the the
	appropriate updates to the dance floor through the serial port.
	"""
	def __init__(self, config):
		super(DanceSurface, self).__init__()
		# Create the floor communication object
		self._init_comms(config)
		# Create the layout object and calculate floor size
		self.layout = DisplayLayout(config["modules"])
		(self.width, self.height) = self.layout.calculate_floor_size()
		self.total_pixels = self.width * self.height
		# Initialise all the pixels to black 
		self.pixels = [ 0 for n in range(0, 3*self.total_pixels) ]
		self.text_writer = TextWriter()
		
	def _init_comms(self, config):
		"""
		Initialise the comms to the floor or simulator
		"""
		self.comms = ComboComms(config)

	def blit(self):
		"""
		Draw the updated floor to the serial port
		"""
		i = 0
		sanitised_pixels = []
		while i < len(self.pixels):
			p = self.pixels[i]
			if p < 0:
				logging.error("DanceSurface: Tried to send a pixel component with a negative value")
				sanitised_pixels.append(0)
			elif p > 255:
				logging.error("DanceSurface: Tried to send a pixel component with a value > 255")
				sanitised_pixels.append(255)
			else:
				sanitised_pixels.append(p)
			i += 1
		self.pixels = sanitised_pixels
		self.comms.send_data(self.pixels)

	def clear_hex(self, colour):
		"""
		Clear the surface to a single colour
		"""
		# Make sure we never send a 1 by mistake and screw up the frames
		(r,g,b) = [ v if not v == 1 else 0 for v in ColourUtils.hexToTuple(colour) ]
		for x in range(0,self.total_pixels):
			self.pixels[x*3:(x+1)*3] = [r,g,b]
			
	def clear_tuple(self, colour):
		"""
		Clear the surface to a single colour
		"""
		# Make sure we never send a 1 by mistake and screw up the frames
		(r,g,b) = [ v if not v == 1 else 0 for v in colour ]
		for x in range(0,self.total_pixels):
			self.pixels[x*3:(x+1)*3] = [r,g,b]

	def draw_hex_pixel(self, x, y, colour):
		"""
		Set the value of the pixel at (x,y) to colour(#RRGGBB")
		"""
		# Make sure we never send a 1 by mistake and screw up the frames
		(r,g,b) = [ v if not v == 1 else 0 for v in ColourUtils.hexToTuple(colour) ]
		pos = self.layout.get_position(x,y)
		if pos is not None:
			mapped_pixel = 3 * pos
			self.pixels[mapped_pixel:mapped_pixel+3] = [r,g,b]
	
	def draw_tuple_pixel(self, x, y, colour):
		"""
		Set the value of the pixel at (x,y) to colour((r,g,b))
		"""
		# Make sure we never send a 1 by mistake and screw up the frames
		(r,g,b) = [ v if not v == 1 else 0 for v in colour ]
		pos = self.layout.get_position(x,y)
		if pos is not None:
			mapped_pixel = 3 * pos
			self.pixels[mapped_pixel:mapped_pixel+3] = [r,g,b]
			
	def draw_float_tuple_pixel(self, x, y, colour):
		"""
		Set the value of the pixel at (x,y) to colour((r,g,b)) where r g and b are floats
		"""
		(floatR, floatG, floatB) = colour
		intR = int(floatR*255)
		intG = int(floatG*255)
		intB = int(floatB*255)
		self.draw_tuple_pixel(x, y, (intR, intG, intB))
			
	def draw_tuple_box(self, top_left, bottom_right, colour):
		"""
		Fill the box from top left to bottom right with the given colour
		"""
		(tlx,tly) = top_left
		(brx,bry) = bottom_right
		if tlx <= brx and tly <= bry:
			y = tly
			while y <= bry:
				x = tlx
				while x <= brx:
					self.draw_tuple_pixel(x, y, colour)
					x += 1
				y += 1

	def draw_text(self, text, colour, x_pos, y_pos):
		if (self.text_writer == None):
			return (0,0)
		# Returns the text size as a (width, height) tuple for reference
		text_size = self.text_writer.draw_text(self, text, colour, x_pos, y_pos)
		return text_size

	def get_text_size(self, text):
		if (self.text_writer == None):
			return (0,0)
		# Returns the text size as a (width, height) tuple for reference,
		#  but doesn't actually draw anything because it doesn't pass a surface through
		return self.text_writer.draw_text(None, text, (0,0,0), 0, 0)