Python Block.color方法代码示例

# 需要导入模块: from CNC import Block [as 别名]
# 或者: from CNC.Block import color [as 别名]

#.........这里部分代码省略.........
		fileName = self["File"]
		try:
			img = Image.open(fileName)
		except:
			app.setStatus(_("Halftone abort: Can't read image file"))
			return

		#Create a scaled image to work faster with big image and better with small ones
		squareNorm = True
		if channel == 'Blue(sqrt)':
			img = img.convert('RGB')
			img = img.split()[0]
		elif channel == 'Green(sqrt)':
			img = img.convert('RGB')
			img = img.split()[1]
		elif channel == 'Red(sqrt)':
			img = img.convert('RGB')
			img = img.split()[2]
		else:
			img = img.convert ('L') #to calculate luminance
			squareNorm = False

		 #flip image to ouput correct coordinates
		img = img.transpose(Image.FLIP_TOP_BOTTOM)

		#Calc divisions for halftone
		divisions = drawSize / cellSize
		#Get image size
		self.imgWidth, self.imgHeight =  img.size
		if (self.imgWidth > self.imgHeight):
			scale = drawSize / float(self.imgWidth)
			sample = int(self.imgWidth / divisions)
		else:
			scale = drawSize / float(self.imgHeight)
			sample = int(self.imgHeight / divisions)
		self.ratio = scale

		#Halftone
		circles = self.halftone(img, sample, scale, angle, squareNorm, invert)

		#Init blocks
		blocks = []

		#Border block
		if drawBorder:
			block = Block("%s-border"%(self.name))
			block.append(CNC.zsafe())
			block.append(CNC.grapid(0,0))
			block.append(CNC.zenter(depth))
			block.append(CNC.gcode(1, [("f",CNC.vars["cutfeed"])]))
			block.append(CNC.gline(self.imgWidth * self.ratio, 0))
			block.append(CNC.gline(self.imgWidth * self.ratio, self.imgHeight*self.ratio))
			block.append(CNC.gline(0, self.imgHeight*self.ratio))
			block.append(CNC.gline(0,0))
			blocks.append(block)

		#Draw block
		block = Block(self.name)

		#Change color
		if channel == 'Blue(sqrt)':
			block.color = "#0000ff"
		elif channel == 'Green(sqrt)':
			block.color = "#00ff00"
		elif channel == 'Red(sqrt)':
			block.color = "#ff0000"

		block.append("(Halftone size W=%d x H=%d x D=%d ,Total points:%i)" %
			 (self.imgWidth * self.ratio, self.imgHeight * self.ratio, depth, len(circles)))
		block.append("(Channel = %s)" % channel)

		for c in circles:
			x,y,r = c
			r = min(dMax/2.0,r)
			if (r >= dMin/2.):
				block.append(CNC.zsafe())
				block.append(CNC.grapid(x+r,y))
				block.append(CNC.zenter(depth))
				block.append(CNC.garc(CW,x+r,y,i=-r,))
		block.append(CNC.zsafe())
		if conical: block.enable = False
		blocks.append(block)

		if conical:
			blockCon = Block("%s-Conical"%(self.name))
			for c in circles:
				x,y,r = c
				blockCon.append(CNC.zsafe())
				blockCon.append(CNC.grapid(x,y))
				dv = r / math.tan(math.radians(v_angle/2.))
				blockCon.append(CNC.zenter(-dv))
			blockCon.append(CNC.zsafe())
			blocks.append(blockCon)

		#Gcode Zsafe
		active = app.activeBlock()
		app.gcode.insBlocks(active, blocks, "Halftone")
		app.refresh()
		app.setStatus(_("Generated Halftone size W=%d x H=%d x D=%d ,Total points:%i" %
			 (self.imgWidth * self.ratio, self.imgHeight * self.ratio, depth, len(circles))))

# 需要导入模块: from CNC import Block [as 别名]
# 或者: from CNC.Block import color [as 别名]
	def GetStitches(self, app, FileName ):
		try:
			from struct import *
		except:
			app.setStatus("Embroidery abort: no module named struct")
			return
		
		print(FileName)
		try:
			f = open(FileName,'rb')
		except:
			app.setStatus(" Embroidery abort: Can't read image file")
			return
		app.setStatus(" Embroidery: file %s sucsessfully opened"%f.name)
		#DST header struct checking - parsing
		format = "3s16sc3s7sc3s3sc3s5sc3s5sc3s5sc3s5sc3s6sc3s6sc"
		data=f.read(94)
		LAN,LA,C,STN,ST,C,CLN,CL,C,POSX,posx,C,NEGX,negx,C,POSY,posy,C,NEGY,negy,C,AX,ax,C,AY,ay,c=unpack(format, data) 
		CL=int(CL)
		ST=int(ST)
		
		if (LAN !='LA:'): 
			app.setStatus(" Embroidery abort: Not a DST")
		print (LA)
		print(" St count: %d color changes=%d"%(ST ,CL))
		f.seek(512);
		coordX=0;coordY=0;#initial coordinates to start sewing
		cnt=0;#just counter
		color = 0;#color code
		format="1b1b1b"# 3 unsigned bytes from data field
		prevCol=self.color
		i=0
		blocks = []
		for ColorCycles  in range (0 , CL+1): #color cycles
			
			block = Block(self.name)
			while prevCol==self.color:
				ff=f.read(3);#read 24 bits
				cnt+=1
				if  len(ff)<3: break
				b0,b1,b2=unpack(format, ff) #data field unpacked with "format" to b0 b1 b2
				dx = decode_dx(b0, b1, b2)
				dy = decode_dy(b0, b1, b2)
				coordX+=dx
				coordY+=dy
				block.color = colors[self.color]
				block.append(self.decode_flags( b2)(coordX,coordY))
				block.append(CNC.zsafe())#safe height
			prevCol = self.color
			print("Stitches read=: %d"%cnt)#counter		
			blocks.append(block)

		
		try:
			dx = float(self["dx"])
		except:
			dx = 0.0

		try:
			dy = float(self["dy"])
		except:
			dy = 0.0

		return blocks