From 1e6885d25d159197dbd93038b490d8908cd94e8d Mon Sep 17 00:00:00 2001
From: Kliment Yanev <kliment.yanev@gmail.com>
Date: Sun, 4 Mar 2012 19:02:28 +0100
Subject: [PATCH] Add blanking to projection for photopolymer printing

---
 projectlayer.py | 56 +++++++++++++++++++++++++++++++++++--------------
 1 file changed, 40 insertions(+), 16 deletions(-)

diff --git a/projectlayer.py b/projectlayer.py
index e50ce8b..4db5f85 100644
--- a/projectlayer.py
+++ b/projectlayer.py
@@ -37,6 +37,13 @@ class dispframe(wx.Frame):
         self.p=printer
         self.pic=wx.StaticBitmap(self)
         self.bitmap=wx.EmptyBitmap(*res)
+        self.bbitmap=wx.EmptyBitmap(*res)
+        dc=wx.MemoryDC()
+        dc.SelectObject(self.bbitmap)
+        dc.SetBackground(wx.Brush("black"))
+        dc.Clear()
+        dc.SelectObject(wx.NullBitmap)
+            
         self.SetBackgroundColour("black")
         self.pic.Hide()
         self.pen=wx.Pen("white")
@@ -61,20 +68,33 @@ class dispframe(wx.Frame):
             self.pic.SetBitmap(self.bitmap)
             self.pic.Show()
             self.Refresh()
+            
+            #self.pic.SetBitmap(self.bitmap)
+            
         except:
+            raise
             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:
+    def showimgdelay(self,image):
+        self.drawlayer(image)
+        self.pic.Show()
+        self.Refresh()
+        #    time.sleep(self.interval)
+        #self.pic.Hide()
+        self.Refresh()
+        if self.p!=None and self.p.online:
                 self.p.send_now("G91")
                 self.p.send_now("G1 Z%f F300"%(self.thickness,))
                 self.p.send_now("G90")
             
+    def nextimg(self,event):
+        #print "b"
+        if self.index<len(self.layers):
+            i=self.index
+            #print self.layers[i]
+            print i
+            wx.CallAfter(self.showimgdelay,self.layers[i])
+            wx.FutureCall(1000*self.interval,self.pic.Hide)
             self.index+=1
         else:
             print "end"
@@ -84,7 +104,7 @@ class dispframe(wx.Frame):
             wx.CallAfter(self.timer.Stop)
             
         
-    def present(self,layers,interval=0.5,thickness=0.4,scale=20,size=(800,600)):
+    def present(self,layers,interval=0.5,pause=0.2,thickness=0.4,scale=20,size=(800,600)):
         wx.CallAfter(self.pic.Hide)
         wx.CallAfter(self.Refresh)
         self.layers=layers
@@ -92,10 +112,11 @@ class dispframe(wx.Frame):
         self.thickness=thickness
         self.index=0
         self.size=size
+        self.interval=interval
         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)
+        self.timer.Start(1000*interval+1000*pause)
         #print "x"
 
 
@@ -111,16 +132,19 @@ class setframe(wx.Frame):
         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,"Exposure:",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))
+        wx.StaticText(self.panel,-1,"Blank:",pos=(0,90))
+        wx.StaticText(self.panel,-1,"s",pos=(130,90))
+        self.delay=wx.TextCtrl(self.panel,-1,"0.5",pos=(50,90))
+        wx.StaticText(self.panel,-1,"Scale:",pos=(0,120))
+        wx.StaticText(self.panel,-1,"x",pos=(130,120))
+        self.scale=wx.TextCtrl(self.panel,-1,"5",pos=(50,120))
         wx.StaticText(self.panel,-1,"X:",pos=(160,30))
-        self.X=wx.TextCtrl(self.panel,-1,"800",pos=(180,30))
+        self.X=wx.TextCtrl(self.panel,-1,"1024",pos=(180,30))
         wx.StaticText(self.panel,-1,"Y:",pos=(160,60))
-        self.Y=wx.TextCtrl(self.panel,-1,"600",pos=(180,60))
+        self.Y=wx.TextCtrl(self.panel,-1,"768",pos=(180,60))
         self.bload=wx.Button(self.panel,-1,"Present",pos=(0,150))
         self.bload.Bind(wx.EVT_BUTTON,self.startdisplay)
         self.Show()
@@ -146,7 +170,7 @@ class setframe(wx.Frame):
         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()), size=(float(self.X.GetValue()),float(self.Y.GetValue())))
+        self.f.present(l,thickness=float(self.thickness.GetValue()),interval=float(self.interval.GetValue()),scale=float(self.scale.GetValue()),pause=float(self.delay.GetValue()), size=(float(self.X.GetValue()),float(self.Y.GetValue())))
 
 if __name__=="__main__":
     a=wx.App()