Add rudimentary slice projector support for resin printing. Uses relative moves in Z.

projectlayer.py

+import xml.etree.ElementTree
+import wx
+import time
+
+def parsesvg(name):
+    et= xml.etree.ElementTree.ElementTree(file=name)
+    zlast=0
+    zdiff=0
+    ol=[]
+    for i in et.findall("{http://www.w3.org/2000/svg}g")[0].findall("{http://www.w3.org/2000/svg}g"):
+        z=float(i.get('id').split("z:")[-1])
+        zdiff=z-zlast
+        zlast=z
+        path=i.find('{http://www.w3.org/2000/svg}path')
+        ol+=[(path.get("d").split("z"))[:-1]]
+    return ol,zdiff
+    
+
+class dispframe(wx.Frame):
+    def __init__(self, parent, title, res=(1600,1200),printer=None):
+        wx.Frame.__init__(self, parent=parent, title=title)
+        self.p=printer
+        self.pic=wx.StaticBitmap(self)
+        self.bitmap=wx.EmptyBitmap(*res)
+        self.SetBackgroundColour("black")
+        self.pic.Hide()
+        self.pen=wx.Pen("white")
+        self.brush=wx.Brush("white")
+        self.SetDoubleBuffered(True)
+        self.Show()
+    def drawlayer(self,svg):
+        try:
+            dc=wx.MemoryDC()
+            dc.SelectObject(self.bitmap)
+            dc.SetBackground(wx.Brush("black"))
+            dc.Clear()
+            dc.SetPen(self.pen)
+            dc.SetBrush(self.brush)
+            for i in svg:
+                #print i
+                points=[wx.Point(*map(lambda x:int(round(float(x)*self.scale)),j.strip().split())) for j in i.strip().split("M")[1].split("L")]
+                dc.DrawPolygon(points,60,60)
+                    
+                
+            dc.SelectObject(wx.NullBitmap)
+            self.pic.SetBitmap(self.bitmap)
+            self.pic.Show()
+            self.Refresh()
+        except:
+            pass
+            
+    def nextimg(self,event):
+        if self.index<len(self.layers):
+            i=self.index
+            #print self.layers[i]
+            print i
+            wx.CallAfter(self.drawlayer,self.layers[i])
+            if self.p!=None:
+                self.p.send_now("G91")
+                self.p.send_now("G1 Z%f F300"%(self.thickness,))
+                self.p.send_now("G90")
+            
+            self.index+=1
+        else:
+            print "end"
+            wx.CallAfter(self.pic.Hide)
+            wx.CallAfter(self.Refresh)
+            wx.CallAfter(self.ShowFullScreen,0)
+            wx.CallAfter(self.timer.Stop)
+            
+        
+    def present(self,layers,interval=0.5,thickness=0.4,scale=20):
+        wx.CallAfter(self.pic.Hide)
+        wx.CallAfter(self.Refresh)
+        self.layers=layers
+        self.scale=scale
+        self.thickness=thickness
+        self.index=0
+        self.timer=wx.Timer(self,1)
+        self.timer.Bind(wx.EVT_TIMER,self.nextimg)
+        self.Bind(wx.EVT_TIMER,self.nextimg)
+        self.timer.Start(1000*interval)
+        #print "x"
+
+
+class setframe(wx.Frame):
+    
+    def __init__(self,parent,printer=None):
+        wx.Frame.__init__(self,parent,title="Projector setup")
+        self.f=dispframe(None,"",printer=printer)
+        self.panel=wx.Panel(self)
+        self.panel.SetBackgroundColour("orange")
+        self.bload=wx.Button(self.panel,-1,"Load",pos=(0,0))
+        self.bload.Bind(wx.EVT_BUTTON,self.loadfile)
+        wx.StaticText(self.panel,-1,"Layer:",pos=(0,30))
+        wx.StaticText(self.panel,-1,"mm",pos=(130,30))
+        self.thickness=wx.TextCtrl(self.panel,-1,"0.5",pos=(50,30))
+        wx.StaticText(self.panel,-1,"Interval:",pos=(0,60))
+        wx.StaticText(self.panel,-1,"s",pos=(130,60))
+        self.interval=wx.TextCtrl(self.panel,-1,"0.5",pos=(50,60))
+        wx.StaticText(self.panel,-1,"Scale:",pos=(0,90))
+        wx.StaticText(self.panel,-1,"x",pos=(130,90))
+        self.scale=wx.TextCtrl(self.panel,-1,"10",pos=(50,90))
+        self.bload=wx.Button(self.panel,-1,"Present",pos=(0,150))
+        self.bload.Bind(wx.EVT_BUTTON,self.startdisplay)
+        self.Show()
+        
+    def loadfile(self,event):
+        dlg=wx.FileDialog(self,("Open file to print"),style=wx.FD_OPEN|wx.FD_FILE_MUST_EXIST)
+        dlg.SetWildcard(("Skeinforge svg files (;*.svg;*.SVG;)"))
+        if(dlg.ShowModal() == wx.ID_OK):
+            name=dlg.GetPath()
+            import os
+            if not(os.path.exists(name)):
+                self.status.SetStatusText(("File not found!"))
+                return
+            layers=parsesvg(name)
+            print "Layer thickness detected:",layers[1], "mm"
+            print len(layers[0]), "layers found, total height", layers[1]*len(layers[0]), "mm"
+            self.thickness.SetValue(str(layers[1]))
+            self.layers=layers
+        
+
+    def startdisplay(self,event):
+        self.f.Raise()
+        self.f.ShowFullScreen(1)
+        l=self.layers[0][:]
+        #l=list(reversed(l))
+        self.f.present(l,thickness=float(self.thickness.GetValue()),interval=float(self.interval.GetValue()),scale=float(self.scale.GetValue()))
+

pronterface.py

@@ -316,6 +316,13 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
                 pass
         return baselist+glob.glob('/dev/ttyUSB*') + glob.glob('/dev/ttyACM*') +glob.glob("/dev/tty.*")+glob.glob("/dev/cu.*")+glob.glob("/dev/rfcomm*")
         
+    def project(self,event):
+        import projectlayer
+        if(self.p.online):
+            projectlayer.setframe(self,self.p).Show()
+        else:
+            print _("Printer is not online.")
+        
     def popmenu(self):
         self.menustrip = wx.MenuBar()
         # File menu
@@ -323,6 +330,7 @@ class PronterWindow(wx.Frame,pronsole.pronsole):
         self.Bind(wx.EVT_MENU, self.loadfile, m.Append(-1,_("&Open..."),_(" Opens file")))
         self.Bind(wx.EVT_MENU, self.do_editgcode, m.Append(-1,_("&Edit..."),_(" Edit open file")))
         self.Bind(wx.EVT_MENU, self.clearOutput, m.Append(-1,_("Clear console"),_(" Clear output console")))
+        self.Bind(wx.EVT_MENU, self.project, m.Append(-1,_("Projector"),_(" Project slices")))
         self.Bind(wx.EVT_MENU, self.OnExit, m.Append(wx.ID_EXIT,_("E&xit"),_(" Closes the Window")))
         self.menustrip.Append(m,_("&File"))