def main(args):
"""Load two lists of strokes and return a score for them"""
if len(args) < 3:
print "Usage: %s <strokes1.dat> <strokes2.dat>" % (args[0])
exit(1)
strokeLoader = StrokeStorage(args[1])
strokeList1 = list(strokeLoader.loadStrokes())
strokeLoader = StrokeStorage(args[2])
strokeList2 = list(strokeLoader.loadStrokes())
score = compareStrokeLists(strokeList1, strokeList2)
print "Similarity score: %s" % (score)
def __init__(self, master = None, **kargs):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
Frame.__init__(self, master, **kargs)
self.pack()
#***********************
#Set up the underlying board stuff
#***********************
self.Board = None
self.TMVisualizer = None
self.ResetBoard()
#***********************
#Set up the GUI stuff
#***********************
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#self.BoardCanvas.bind("<Enter>", self.CanvasMouseEnter)
#self.BoardCanvas.bind("<Leave>", self.CanvasMouseLeave)
self.StrokeLoader = StrokeStorage()
self.MakeMenu()
stringLabel = Label(self, text="Turing String")
stringLabel.pack(side=LEFT)
self.StringText = Entry(self, width=20)
self.StringText.pack(side=LEFT)
self.SimButton = Button(self, text="Step", command = (lambda: self.StepMachines() or self.Redraw()) )
self.SimButton.pack(side=LEFT)
self.SimButton = Button(self, text="Restart", command = (lambda: self.RestartMachines() or self.Redraw()))
self.SimButton.pack(side=LEFT)
self.CurrentPointList = []
self.StrokeList = []
self.shouldDrawAnnos = True
self.shouldDrawStrokes = True
#print "Redraw from Init"
self.Redraw()
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
#Set up all the logical board stuff before displaying anything
self.running = False
self.isFullScreen = False
self.OpQueue = Queue.Queue()
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self._tempLines = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the
#deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
root = self.root = Tk()
#capture = Tk() #Used exclusively to grab keyboard events
#capture.focus_set()
#sw = root.winfo_screenwidth()
#sh = root.winfo_screenheight()
self.root.title("Sketchy/Scratch")
#root.overrideredirect(True) # Get rid of the menu bars
#root.geometry("%dx%d+1024+1" % (WIDTH, HEIGHT)) #Set to full screen
#root.focus_set() #Make sure we can grab keyboard
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self,
width=WIDTH, height = HEIGHT,
bg="black", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
self.root.bind("<Alt-Return>", lambda e: self.toggleFullscreen() )
self.root.bind("<Escape>", lambda e: self.toggleFullscreen() )
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.SetCommandBindings(self.root, makeMenu=False)
self.Redraw()
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
self.root = Tk()
self.root.title("Sketchy/Scratch")
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
self.ClassNameEntry = Entry(self)
self.ClassNameEntry['width'] = 30
self.ClassNameEntry.pack(side=RIGHT)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.MakeMenu()
#Set up all the logical board stuff before displaying anything
self.StrokeQueue = Queue.Queue()
self.CurrentPointList = []
self.StrokeList = []
self.StrokeLoader = StrokeStorage()
self.ResetBoard()
self._strokeTrainer = Rubine.RubineClassifier(featureSet = FEATURESET(), debug = True)
#self.NewTrainingClass()
self.Redraw()
self.run()
def __init__(self, dims = (WIDTH, HEIGHT) ):
# Create a new window
gtk.DrawingArea.__init__(self)
self.resize(*dims)# BREAKS when X forwarding
#Semantic board data
self.board = None # set by resetBoard()
self.boardProcThread = BoardThread(self.board) # set by resetBoard()
#GUI data variables
self.shouldDrawStrokes = True
self.currentPoints = None # set by resetBoard()
self.strokeList = None # set by resetBoard()
self.opQueue = None # set by resetBoard()
self.isMouseDown1 = False
self.isMouseDown3 = False
self.keyCallbacks = {}
self.strokeQueue = ProcQueue()
self.strokeLoader = StrokeStorage()
self.screenImage = None
self._pixbuf = None
self._isFullscreen = False
#Cairo drawing data
self.renderBuffer = None
self.context = None
#Event hooks
gobject.idle_add(self.processOps) #Idle event
gobject.idle_add(self.processQueuedStrokes) #Async stroke processing
self.set_property("can-focus", True) #So we can capture keyboard events
self.connect("button_press_event", self.onMouseDown)
self.connect("motion_notify_event", self.onMouseMove)
self.connect("button_release_event", self.onMouseUp)
self.connect("key_press_event", self.onKeyPress)
self.connect("expose_event", self.onExpose)
self.set_events(gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.KEY_PRESS_MASK |
gtk.gdk.EXPOSURE_MASK |
gtk.gdk.POINTER_MOTION_MASK )
#Enable the board processing
self.resetBoard()
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
#Set up all the logical board stuff before displaying anything
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
self.root = Tk()
self.root.title("Sketchy/Scratch")
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.MakeMenu()
self.Redraw()
self.run()
def __init__(self, master = None, **kargs):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
Frame.__init__(self, master, **kargs)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
self.MakeMenu()
self.Redraw()
class TkSketchFrame(Frame):
"""The base GUI class.
Class must implement drawText, drawLine and drawCircle. X-Y origin is bottom-left corner.
Aside from these restrictions, interface options (reset board, etc) are up to the GUI programmer."""
Singleton = None
def __init__(self, master = None, **kargs):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
Frame.__init__(self, master, **kargs)
self.pack()
#***********************
#Set up the underlying board stuff
#***********************
self.Board = None
self.TMVisualizer = None
self.ResetBoard()
#***********************
#Set up the GUI stuff
#***********************
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#self.BoardCanvas.bind("<Enter>", self.CanvasMouseEnter)
#self.BoardCanvas.bind("<Leave>", self.CanvasMouseLeave)
self.StrokeLoader = StrokeStorage()
self.MakeMenu()
stringLabel = Label(self, text="Turing String")
stringLabel.pack(side=LEFT)
self.StringText = Entry(self, width=20)
self.StringText.pack(side=LEFT)
self.SimButton = Button(self, text="Step", command = (lambda: self.StepMachines() or self.Redraw()) )
self.SimButton.pack(side=LEFT)
self.SimButton = Button(self, text="Restart", command = (lambda: self.RestartMachines() or self.Redraw()))
self.SimButton.pack(side=LEFT)
self.CurrentPointList = []
self.StrokeList = []
self.shouldDrawAnnos = True
self.shouldDrawStrokes = True
#print "Redraw from Init"
self.Redraw()
def SwitchTuringView(self, showTuring = None):
if showTuring == None:
self.shouldDrawStrokes = not self.shouldDrawStrokes
self.shouldDrawAnnos = not self.shouldDrawAnnos
else:
self.shouldDrawStrokes = not showTuring
self.shouldDrawAnnos = not showTuring
self.Redraw()
def CanvasMouseEnter(self, event):
self.shouldDrawStrokes = True
self.shouldDrawAnnos = True
#print "Redraw from Mouse Enter"
self.Redraw()
def CanvasMouseLeave(self, event):
self.shouldDrawStrokes = False
self.shouldDrawAnnos = False
#print "Redraw from Mouse Leave"
self.Redraw()
def SetTapeString(self):
text = self.StringText.get()
print "Setting text to %s" % (text)
for tm_anno in BoardSingleton().FindAnnotations( anno_type = TuringMachineObserver.TuringMachineAnnotation):
tm_anno.setTapeString(text)
def StepMachines(self):
for tm_anno in BoardSingleton().FindAnnotations( anno_type = TuringMachineObserver.TuringMachineAnnotation):
tm_anno.simulateStep()
def RestartMachines(self):
self.SetTapeString()
for tm_anno in BoardSingleton().FindAnnotations( anno_type = TuringMachineObserver.TuringMachineAnnotation):
tm_anno.restartSimulation()
def MakeMenu(self):
"Reserve places in the menu for fun actions!"
win = self.master
top_menu = Menu(win)
win.config(menu=top_menu)
self.object_menu = Menu(top_menu)
top_menu.bind("<ButtonPress-1>",(lambda e: self.RebuildObjectMenu()))
self.RebuildObjectMenu()
top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
top_menu.add_command(label="Reset Board", command = (lambda :self.ResetBoard() or self.Redraw()), underline=1 )
top_menu.add_command(label="Load stks.txt", command = (lambda : self.LoadStrokes() or self.Redraw()), underline=1 )
top_menu.add_command(label="Save stks.txt", command = (lambda : self.SaveStrokes()), underline=1 )
top_menu.add_command(label="Undo Stroke", command = (lambda :self.RemoveLatestStroke() or self.Redraw()), underline=1 )
top_menu.add_command(label="Strokes From Image", command = (lambda :self.LoadStrokesFromImage() or self.Redraw()), underline=1 )
top_menu.add_command(label="Toggle View", command = lambda: self.SwitchTuringView(), underline=1 )
def LoadStrokes(self):
for stroke in self.StrokeLoader.loadStrokes():
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
def SaveStrokes(self):
self.StrokeLoader.saveStrokes(self.StrokeList)
def LoadStrokesFromImage(self):
fname = askopenfilename(initialdir='/home/jbrowne/src/sketchvision/images/')
if fname == "":
return
try:
print "Loading strokes..."
strokes = imageToStrokes(fname)
except Exception as e:
print "Error importing strokes from image '%s':\n %s" % (fname, e)
return
print "Loaded %s strokes from '%s'" % (len(strokes), fname)
for s in strokes:
newStroke = Stroke()
for x,y in s.points:
scale = WIDTH / float(1280)
newPoint = Point(scale * x,HEIGHT - scale * y)
newStroke.addPoint(newPoint)
self.Board.AddStroke(newStroke)
self.StrokeList.append(newStroke)
def RemoveLatestStroke(self):
if len (self.StrokeList) > 0:
stroke = self.StrokeList.pop()
self.Board.RemoveStroke(stroke)
def RebuildObjectMenu(self):
"Search the board for existing objects, and add a menu entry to manipulate it (drawAll)"
observers = BoardSingleton().GetBoardObservers()
draw_vars = {}
for obs in observers:
key = obs.__class__
if key not in self.drawMenuOptions and hasattr(obs, "DrawAll"):
draw_vars[key] = key.DrawAll
for key, var in draw_vars.items():
self.drawMenuOptions[key] = self.object_menu.add_command(label=key.__name__,command=(lambda class_=key: self.InvertDraw(class_)), underline = 0)
def InvertDraw(self, class_):
"Essentially checkbox behavior for BoardObserver.DrawAll variable"
if hasattr(class_, "DrawAll"):
class_.DrawAll = not class_.DrawAll
self.Redraw()
def ResetBoard(self):
"Clear all strokes and board observers from the board (logically and visually)"
self.p_x = self.p_y = None
self.Board = BoardSingleton(reset = True)
initializeBoard(self.Board)
self.TMVisualizer = TuringMachineObserver.TuringMachineVisualizer()
self.CurrentPointList = []
self.StrokeList = []
def CanvasRightMouseDown(self, event):
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "gray", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def CanvasRightMouseUp(self, event):
delStrokes = set([])
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.CurrentPointList = []
for stk in list(self.StrokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
print "Removing Stroke"
self.Board.RemoveStroke(stk)
self.StrokeList.remove(stk)
self.p_x = self.p_y = None
#print "Redraw from RightMouseUp"
self.Redraw()
def CanvasMouseDown(self, event):
"Draw a line connecting the points of a stroke as it is being drawn"
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "black", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def AddCurrentStroke(self):
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
self.CurrentPointList = []
def CanvasMouseUp(self, event):
"Finish the stroke and add it to the board"
#start a new stroke
self.AddCurrentStroke()
self.p_x = self.p_y = None
#print "Redraw from MouseUp"
self.Redraw()
def Redraw(self):
"Find all the strokes on the board, draw them, then iterate through every object and have it draw itself"
global HEIGHT, WIDTH
#print "> Redraw Start"
sys.stdout.flush()
self.BoardCanvas.delete(ALL)
strokes = self.Board.Strokes
observers = self.Board.BoardObservers
if self.shouldDrawStrokes:
for s in strokes:
#print "Drawing stroke %s" % (s.id)
s.drawMyself()
#print "> Strokes drawn"
sys.stdout.flush()
if self.shouldDrawAnnos:
for obs in observers:
#print "Drawing", obj.__class__.__name__
if type(obs) != TuringMachineObserver.TuringMachineVisualizer:
obs.drawMyself()
#print "> Annos drawn"
sys.stdout.flush()
else:
for s in strokes:
if len(s.findAnnotations(TuringMachineObserver.TuringMachineAnnotation)) == 0:
s.drawMyself(color="#cccccc")
self.TMVisualizer.drawMyself()
#print "< Redraw Done"
sys.stdout.flush()
def drawCircle(self, x, y, radius=1, color="#000000", fill="", width=1.0):
"Draw a circle on the canvas at (x,y) with radius rad. Color should be 24 bit RGB string #RRGGBB. Empty string is transparent"
y = HEIGHT - y
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,y+radius,width=width, fill=fill, outline = color)
def drawLine(self, x1, y1, x2, y2, width=2, color="#000000"):
"Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24 bit RGB string #RRGGBB"
y1 = HEIGHT - y1
y2 = HEIGHT - y2
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill=color, width = width)
def drawText (self, x, y, InText="", size=10, color="#000000"):
"Draw some text (InText) on the canvas at (x,y). Color as defined by 24 bit RGB string #RRGGBB"
y = HEIGHT - y
text_font = ("times", size, "")
self.BoardCanvas.create_text(x,y,text = InText, fill = color, font = text_font, anchor=NW)
class TkSketchFrame(Frame):
"""The base GUI class.
Class must implement drawText, drawLine and drawCircle. X-Y origin is bottom-left corner.
Aside from these restrictions, interface options (reset board, etc) are up to the GUI programmer."""
Singleton = None
def __init__(self, master = None, **kargs):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
Frame.__init__(self, master, **kargs)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
self.MakeMenu()
self.Redraw()
def MakeMenu(self):
"Reserve places in the menu for fun actions!"
win = self.master
top_menu = Menu(win)
win.config(menu=top_menu)
self.object_menu = Menu(top_menu)
top_menu.bind("<ButtonPress-1>",(lambda e: self.RebuildObjectMenu()))
self.RebuildObjectMenu()
top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
top_menu.add_command(label="Reset Board", command = (lambda :self.ResetBoard() or self.Redraw()), underline=1 )
top_menu.add_command(label="Load strokes.dat", command = (lambda : self.LoadStrokes() or self.Redraw()), underline=1 )
top_menu.add_command(label="Save strokes.dat", command = (lambda : self.SaveStrokes()), underline=1 )
top_menu.add_command(label="Undo Stroke", command = (lambda :self.RemoveLatestStroke() or self.Redraw()), underline=1 )
#top_menu.add_command(label="Strokes From Image", command = (lambda :self.LoadStrokesFromImage() or self.Redraw()), underline=1 )
def AddQueuedStroke(self):
#Only process one stroke per round
if not self.StrokeQueue.empty():
stk = self.StrokeQueue.get()
logger.debug("Adding queued stroke %s" % (stk))
self.Board.AddStroke(stk)
self.StrokeList.append(stk)
self.Redraw()
self.StrokeQueue.task_done()
def LoadStrokes(self):
for stroke in self.StrokeLoader.loadStrokes():
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
def SaveStrokes(self):
self.StrokeLoader.saveStrokes(self.StrokeList)
"""
def LoadStrokesFromImage(self):
fname = askopenfilename(initialdir='/home/jbrowne/src/sketchvision/images/')
if fname == "":
return
try:
logger.debug( "Loading strokes...")
strokes = imageToStrokes(fname)
except Exception as e:
logger.debug( "Error importing strokes from image '%s':\n %s" % (fname, e))
return
logger.debug( "Loaded %s strokes from '%s'" % (len(strokes), fname))
for s in strokes:
newStroke = Stroke()
for x,y in s.points:
scale = WIDTH / float(1280)
newPoint = Point(scale * x,HEIGHT - scale * y)
newStroke.addPoint(newPoint)
self.Board.AddStroke(newStroke)
self.StrokeList.append(newStroke)
"""
def RemoveLatestStroke(self):
if len (self.StrokeList) > 0:
stroke = self.StrokeList.pop()
self.Board.RemoveStroke(stroke)
def RebuildObjectMenu(self):
"Search the board for existing objects, and add a menu entry to manipulate it (drawAll)"
observers = BoardSingleton().GetBoardObservers()
draw_vars = {}
for obs in observers:
key = obs.__class__
if key not in self.drawMenuOptions and hasattr(obs, "DrawAll"):
draw_vars[key] = key.DrawAll
for key, var in draw_vars.items():
self.drawMenuOptions[key] = self.object_menu.add_command(label=key.__name__,command=(lambda class_=key: self.InvertDraw(class_)), underline = 0)
def InvertDraw(self, class_):
"Essentially checkbox behavior for BoardObserver.DrawAll variable"
if hasattr(class_, "DrawAll"):
class_.DrawAll = not class_.DrawAll
self.Redraw()
def ResetBoard(self):
"Clear all strokes and board observers from the board (logically and visually)"
self.p_x = self.p_y = None
self.Board = BoardSingleton(reset = True)
initialize(self.Board)
self.RegisterAnimators()
self.CurrentPointList = []
self.StrokeList = []
def RegisterAnimators(self):
self.AnimatorDrawtimes = {}
for obs in self.Board.BoardObservers:
if Animator in type(obs).__mro__: #Check if it inherits from Animator
logger.debug( "Registering %s as animator" % (obs))
self.AnimatorDrawtimes[obs] = time.time()
def CanvasRightMouseDown(self, event):
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "gray", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def CanvasRightMouseUp(self, event):
delStrokes = set([])
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.CurrentPointList = []
for stk in list(self.StrokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
logger.debug( "Removing Stroke")
self.Board.RemoveStroke(stk)
self.StrokeList.remove(stk)
self.p_x = self.p_y = None
self.Redraw()
def CanvasMouseDown(self, event):
"Draw a line connecting the points of a stroke as it is being drawn"
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "black", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def AddCurrentStroke(self):
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
self.CurrentPointList = []
def CanvasMouseUp(self, event):
"Finish the stroke and add it to the board"
#start a new stroke
self.AddCurrentStroke()
self.p_x = self.p_y = None
self.Redraw()
"""
def SetupImageServer(self):
self.serverThread = ServerThread(port = 30000)
self.net_queue = self.serverThread.getResponseQueue()
self.serverThread.start()
self.imgProcThread = ImgProcThread(self.net_queue, self.StrokeQueue)
self.imgProcThread.start()
"""
def AnimateFrame(self):
for obs, deadline in self.AnimatorDrawtimes.items():
if deadline <= 1000 * time.time():
obs.drawMyself()
self.AnimatorDrawtimes[obs] = 1000 *( (1 / float(obs.fps)) + time.time() ) #Time the next frame
def Redraw(self):
"Find all the strokes on the board, draw them, then iterate through every object and have it draw itself"
global HEIGHT, WIDTH
self.BoardCanvas.delete(ALL)
strokes = self.Board.Strokes
observers = self.Board.BoardObservers
for s in strokes:
s.drawMyself()
for obs in observers:
obs.drawMyself()
def drawCircle(self, x, y, radius=1, color="#000000", fill="", width=1.0):
"Draw a circle on the canvas at (x,y) with radius rad. Color should be 24 bit RGB string #RRGGBB. Empty string is transparent"
y = HEIGHT - y
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,y+radius,width=width, fill=fill, outline = color)
def drawLine(self, x1, y1, x2, y2, width=2, color="#000000"):
"Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24 bit RGB string #RRGGBB"
y1 = HEIGHT - y1
y2 = HEIGHT - y2
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill=color, width = width)
def drawText (self, x, y, InText="", size=10, color="#000000"):
"Draw some text (InText) on the canvas at (x,y). Color as defined by 24 bit RGB string #RRGGBB"
y = HEIGHT - y
text_font = ("times", size, "")
self.BoardCanvas.create_text(x,y,text = InText, fill = color, font = text_font, anchor=NW)
class TkSketchFrame(Frame, _SketchGUI):
"""The base GUI class.
Class must implement drawText, drawLine and drawCircle. X-Y origin is
bottom-left corner.
Aside from these restrictions, interface options (reset board, etc) are up
to the GUI programmer."""
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
#Set up all the logical board stuff before displaying anything
self.running = False
self.isFullScreen = False
self.OpQueue = Queue.Queue()
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self._tempLines = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the
#deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
root = self.root = Tk()
#capture = Tk() #Used exclusively to grab keyboard events
#capture.focus_set()
#sw = root.winfo_screenwidth()
#sh = root.winfo_screenheight()
self.root.title("Sketchy/Scratch")
#root.overrideredirect(True) # Get rid of the menu bars
#root.geometry("%dx%d+1024+1" % (WIDTH, HEIGHT)) #Set to full screen
#root.focus_set() #Make sure we can grab keyboard
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self,
width=WIDTH, height = HEIGHT,
bg="black", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
self.root.bind("<Alt-Return>", lambda e: self.toggleFullscreen() )
self.root.bind("<Escape>", lambda e: self.toggleFullscreen() )
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.SetCommandBindings(self.root, makeMenu=False)
self.Redraw()
#self.run()
def toggleFullscreen(self):
if not self.isFullScreen:
self.root.withdraw()
#sw = 1024 #self.root.winfo_screenwidth()
#sh = self.root.winfo_screenheight()
#sw, sh = 1024, 768
sw = WIDTH
sh = HEIGHT
self.BoardCanvas.config(width = sw, height= sh)
#self.root.overrideredirect(True) # Get rid of the menu bars
self.root.deiconify()
self.root.geometry("%dx%d+1023-50" % (sw, sh)) #Set to full screen
#self.root.grab_set_global()
self.capture = Tk() #Used exclusively to grab keyboard events
self.capture.focus_force()
self.capture.bind("<Escape>",
lambda e: self.toggleFullscreen())
self.capture.bind("<Alt-Return>",
lambda e: self.toggleFullscreen())
self.SetCommandBindings(self.capture, makeMenu=False)
else:
self.root.withdraw()
#self.root.overrideredirect(False)
self.BoardCanvas.config(width = WIDTH, height = HEIGHT)
self.root.geometry("%dx%d+0+0" % (WIDTH, HEIGHT))
self.root.deiconify()
#self.root.grab_release()
self.capture.destroy()
self.capture = None
self.root.focus_force()
self.isFullScreen = not self.isFullScreen
def run(self):
self.running = True
#self.root.grab_set_global()
self.root.update()
try:
while self.running:
self.root.update()
self.root.update_idletasks()
self.AnimateFrame()
self.AddQueuedStroke()
self.runOp()
except TclError:
raise
finally:
pass
#self.root.grab_release()
def stop(self):
print "Stopping!"
self.running = False
def post(self, operation):
self.OpQueue.put(operation)
def runOp(self):
while not self.OpQueue.empty():
op = self.OpQueue.get()
op()
self.OpQueue.task_done()
def initBoardObservers( observers, debugAnnotations = None ):
if observers is not None:
for obs in observers:
obs(self.Board)
def SetCommandBindings(self, widget, makeMenu = True):
"Reserve places in the menu for fun actions!"
CMD_Reset = (lambda e=1:self.ResetBoard() or
self.Redraw(clear=True))
CMD_LoadStrokes = (lambda e=1: self.LoadStrokes() or
self.Redraw())
CMD_SaveStrokes = (lambda e=1: self.SaveStrokes())
CMD_UndoStroke = (lambda e=1:self.RemoveLatestStroke() or
self.Redraw())
CMD_ProcessImage = (lambda e=1:self.LoadStrokesFromImage() or
self.Redraw())
widget.bind_all("<r>", CMD_Reset)
widget.bind_all("<l>", CMD_LoadStrokes)
widget.bind("<s>", CMD_SaveStrokes)
widget.bind("<Control-z>", CMD_UndoStroke)
widget.bind("<i>", CMD_ProcessImage)
if makeMenu:
win = self.master
self.top_menu = top_menu = Menu(win)
win.config(menu=top_menu)
self.object_menu = Menu(top_menu)
top_menu.bind("<ButtonPress-1>",(lambda e: self.RebuildObjectMenu()))
self.RebuildObjectMenu()
top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
top_menu.add_command(label="Reset Board", command = CMD_Reset)
top_menu.add_command(label="Load strokes.dat",command = CMD_LoadStrokes)
top_menu.add_command(label="Save strokes.dat",command = CMD_SaveStrokes)
top_menu.add_command(label="Undo Stroke", command = CMD_UndoStroke)
top_menu.add_command(label="Strokes From Image",
command = CMD_ProcessImage)
def AddQueuedStroke(self):
#Only process one stroke per round
lim = 10
if not self.StrokeQueue.empty() and lim > 0:
lim -= 1
stk = self.StrokeQueue.get()
logger.debug("Adding queued stroke %s" % (stk))
self.Board.AddStroke(stk)
self.StrokeList.append(stk)
self.Redraw()
self.StrokeQueue.task_done()
def LoadStrokes(self):
for stroke in self.StrokeLoader.loadStrokes():
self.AddStroke(stroke)
#self.Board.AddStroke(stroke)
#self.StrokeList.append(stroke)
def SaveStrokes(self):
self.StrokeLoader.saveStrokes(self.StrokeList)
def LoadStrokesFromImage(self, image = None):
global WIDTH, HEIGHT
pruneLen = 10
if image != None:
try:
strokeDict = ImageStrokeConverter.cvimgToStrokes(image)
except:
logger.error("Error importing strokes from frame")
raise
else:
fname = askopenfilename(initialdir='/home/jbrowne/src/photos/')
if fname == "":
return
try:
logger.debug( "Loading strokes...")
strokeDict = ImageStrokeConverter.imageToStrokes(fname)
logger.debug( "Loaded %s strokes from '%s'" %
(len(strokeDict['strokes']), fname))
except Exception as e:
logger.debug( "Error importing strokes from image '%s':\n %s" %
(fname, e))
raise
strokes = strokeDict['strokes']
w,h = strokeDict['dims']
scale_x = WIDTH / float(w)
scale_y = HEIGHT / float(h)
for s in strokes:
if len(s.points) > pruneLen:
pointList = []
for x,y in s.points:
newPoint = Point(scale_x * x, HEIGHT - (scale_y *y))
pointList.append(newPoint)
newStroke = Stroke(pointList)
self.AddStroke(newStroke)
def RemoveLatestStroke(self):
if len (self.StrokeList) > 0:
stroke = self.StrokeList.pop()
self.Board.RemoveStroke(stroke)
def RebuildObjectMenu(self):
"""Search the board for existing objects, and add a menu entry to
manipulate it (drawAll)"""
observers = self.Board.GetBoardObservers()
draw_vars = {}
for obs in observers:
key = obs.__class__
if key not in self.drawMenuOptions and hasattr(obs, "DrawAll"):
draw_vars[key] = key.DrawAll
for key, var in draw_vars.items():
self.drawMenuOptions[key] = self.object_menu.add_command(
label=key.__name__,command=(
lambda class_=key: self.InvertDraw(class_)
), underline = 0
)
def InvertDraw(self, class_):
"Essentially checkbox behavior for BoardObserver.DrawAll variable"
if hasattr(class_, "DrawAll"):
class_.DrawAll = not class_.DrawAll
self.Redraw()
def InitializeBoard(self):
"""Initialize all of the board observers and register debugable
annotations, etc."""
Config.initializeBoard(self.Board)
def ResetBoard(self):
"""Clear all strokes and board observers from the board (logically and
visually)"""
self.p_x = self.p_y = None
self.Board = Board(gui = self)
Config.initializeBoard(self.Board)
self.RegisterAnimators()
self.CurrentPointList = []
self.StrokeList = []
self._tempLines = []
#Clear pending strokes
while not self.StrokeQueue.empty():
self.StrokeQueue.get()
self.StrokeQueue.task_done()
def RegisterAnimators(self):
self.AnimatorDrawtimes = {}
for obs in self.Board.BoardObservers:
if Animator in type(obs).__mro__: #Check if it inherits from Animator
logger.debug( "Registering %s as animator" % (obs))
self.AnimatorDrawtimes[obs] = time.time()
def CanvasMiddleMouseDown(self, event):
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black",
#outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
l = self.BoardCanvas.create_line(p_x, p_y, x ,y,
fill = "blue", width=2)
self._tempLines.append(l)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = event.x
self.p_y = event.y
def CanvasMiddleMouseUp(self, event):
suggestStrokes = set()
if len(self.CurrentPointList) > 0:
containerStroke = Stroke( self.CurrentPointList )#, smoothing=True )
for testStroke in self.Board.Strokes:
if strokeContainsStroke(containerStroke, testStroke):
suggestStrokes.add(testStroke)
if len(suggestStrokes) > 0:
annoNameMap = dict( [(k.__name__, k) for k in self.Board.AnnoTargeters.keys() ] )
d = AnnotationDialog(self, annoNameMap.keys())
self.wait_window(d.top)
if d.data is not None:
self.Board.SuggestAnnotation(annoNameMap[d.data], list(suggestStrokes))
self.CurrentPointList = []
self.p_x = self.p_y = None
self.Redraw()
def CanvasRightMouseDown(self, event):
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
l = self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "gray", width=2)
self._tempLines.append(l)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def CanvasRightMouseUp(self, event):
removed = False
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.CurrentPointList = []
for stk in list(self.StrokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
logger.debug( "Removing Stroke")
removed = True
self.Board.RemoveStroke(stk)
self.StrokeList.remove(stk)
self.p_x = self.p_y = None
self.Redraw(clear=removed)
def CanvasMouseDown(self, event):
"Draw a line connecting the points of a stroke as it is being drawn"
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
l = self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "white", width=2)
self._tempLines.append(l)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def AddCurrentStroke(self):
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.AddStroke(stroke)
self.CurrentPointList = []
def AddStroke(self, stroke):
self.StrokeQueue.put(stroke)
#self.Board.AddStroke(stroke)
#self.StrokeList.append(stroke)
def CanvasMouseUp(self, event):
"Finish the stroke and add it to the board"
#start a new stroke
self.AddCurrentStroke()
self.p_x = self.p_y = None
self.Redraw()
"""
def SetupImageServer(self):
self.serverThread = ServerThread(port = 30000)
self.net_queue = self.serverThread.getResponseQueue()
self.serverThread.start()
self.imgProcThread = ImgProcThread(self.net_queue, self.StrokeQueue)
self.imgProcThread.start()
"""
def AnimateFrame(self):
for obs, deadline in self.AnimatorDrawtimes.items():
if deadline <= 1000 * time.time():
obs.drawMyself()
self.AnimatorDrawtimes[obs] = 1000 *( (1 / float(obs.fps)) + time.time() ) #Time the next frame
def Redraw(self, clear=True):
"Find all the strokes on the board, draw them, then iterate through every object and have it draw itself"
global HEIGHT, WIDTH
if clear:
self.BoardCanvas.delete(ALL)
else:
for l in self._tempLines:
self.BoardCanvas.delete(l)
self._tempLines = []
strokes = self.Board.Strokes
observers = self.Board.BoardObservers
for s in strokes:
s.drawMyself()
for obs in observers:
obs.drawMyself()
#fout = open("standalone.xml", "w")
#bxml = self.Board.xml(WIDTH, HEIGHT)
#print >> fout, ET.tostring(bxml)
#fout.close()
def do_drawCircle(self, x, y, radius=1, color="#FFFFFF", fill="", width=1.0):
"""Draw a circle on the canvas at (x,y) with radius rad.
Color should be 24 bit RGB string #RRGGBB.
Empty string is transparent"""
y = HEIGHT - y
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,
y+radius,width=width, fill=fill, outline = color)
def do_drawLine(self, x1, y1, x2, y2, width=2, color="#FFFFFF"):
"""Draw a line on the canvas from (x1,y1) to (x2,y2).
Color should be 24 bit RGB string #RRGGBB"""
y1 = HEIGHT - y1
y2 = HEIGHT - y2
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill=color, width = width)
def do_drawText (self, x, y, InText="", size=10, color="#FFFFFF"):
"""Draw some text (InText) on the canvas at (x,y).
Color as defined by 24 bit RGB string #RRGGBB"""
y = HEIGHT - y
text_font = ("times", size, "")
self.BoardCanvas.create_text(x,y,text = InText,
fill = color, font = text_font, anchor=NW)
def do_drawCurve(self, curve, width = 2, color = "#FFFFFF"):
"Draw a curve on the board with width and color as specified"
self.drawStroke(curve.toStroke(), width = width, color = color)
colorwheel = ["#FF0000", "#00FF00", "#0000FF", "#FF00FF"]
for i, pt in enumerate(curve.getControlPoints()):
color = colorwheel[i]
self.drawCircle(pt.X, pt.Y, radius=4-i,
width = width, color = color)
"""
for pt in curve.getControlPoints():
self.drawCircle(pt.X, pt.Y, radius=2, width = width, color = "#0000FF")
"""
def do_drawStroke(self, stroke, width= 1, color = "#FFFFFF", erasable= True):
if len(stroke.Points) >= 2:
px, py = stroke.Points[0].X, stroke.Points[0].Y
for pt in stroke.Points[1:]:
x,y = pt.X, pt.Y
self.do_drawLine(px, py, x, y, width=width, color=color)
px, py = x,y
#_SketchGUI.drawStroke(self, stroke, width = width, color = color, erasable = erasable)
def drawText(self, *args, **kargs):
op = partial(TkSketchFrame.do_drawText, self, *args, **kargs)
self.OpQueue.put(op)
def drawLine(self, *args, **kargs):
op = partial(TkSketchFrame.do_drawLine, self, *args, **kargs)
self.OpQueue.put(op)
def drawCircle(self, *args, **kargs):
op = partial(TkSketchFrame.do_drawCircle, self, *args, **kargs)
self.OpQueue.put(op)
def drawStroke(self, *args, **kargs):
op = partial(TkSketchFrame.do_drawStroke, self, *args, **kargs)
self.OpQueue.put(op)
self.OpQueue.put(op)
def drawStroke(self, *args, **kargs):
op = partial(TkSketchFrame.do_drawStroke, self, *args, **kargs)
self.OpQueue.put(op)
if __name__ == "__main__":
if len(sys.argv) > 1:
#Do something with the CLI arguments
fname = sys.argv[1]
board = Board()
_initializeBoard(board)
stkLoader = StrokeStorage(fname+".dat")
stkDict = ImageStrokeConverter.imageToStrokes(fname)
stks = stkDict['strokes']
WIDTH, HEIGHT = stkDict['dims']
strokeList = []
for s in stks:
pointList = []
for x,y in s.points:
newPoint = Point(x, HEIGHT - y)
pointList.append(newPoint)
strokeList.append(Stroke(pointList))
board.AddStroke(Stroke(pointList))
stkLoader.saveStrokes(strokeList)
#fout = open("standalone.xml", "w")
#print >> fout, ET.tostring(board.xml(WIDTH, HEIGHT))
class TkSketchFrame(Frame, _SketchGUI):
"""The base GUI class.
Class must implement drawText, drawLine and drawCircle. X-Y origin is bottom-left corner.
Aside from these restrictions, interface options (reset board, etc) are up to the GUI programmer."""
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
#Set up all the logical board stuff before displaying anything
self.StrokeQueue = Queue.Queue()
self.Board = None
self.CurrentPointList = []
self.StrokeList = []
self.AnimatorDrawtimes = {} #A dictionary of Animator subclasses to the deadline for the next frame draw
self.StrokeLoader = StrokeStorage()
#self.SetupImageServer()
self.ResetBoard()
self.root = Tk()
self.root.title("Sketchy/Scratch")
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.MakeMenu()
self.Redraw()
self.run()
def run(self):
try:
while 1:
self.root.update()
self.AnimateFrame()
self.AddQueuedStroke()
self.root.update_idletasks()
except TclError:
pass
def initBoardObservers( observers, debugAnnotations = None ):
if observers is not None:
for obs in observers:
obs(self.Board)
def MakeMenu(self):
"Reserve places in the menu for fun actions!"
win = self.master
top_menu = Menu(win)
win.config(menu=top_menu)
self.object_menu = Menu(top_menu)
top_menu.bind("<ButtonPress-1>",(lambda e: self.RebuildObjectMenu()))
self.RebuildObjectMenu()
top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
top_menu.add_command(label="Reset Board", command = (lambda :self.ResetBoard() or self.Redraw()), underline=1 )
top_menu.add_command(label="Load strokes.dat", command = (lambda : self.LoadStrokes() or self.Redraw()), underline=1 )
top_menu.add_command(label="Save strokes.dat", command = (lambda : self.SaveStrokes()), underline=1 )
top_menu.add_command(label="Undo Stroke", command = (lambda :self.RemoveLatestStroke() or self.Redraw()), underline=1 )
#top_menu.add_command(label="Strokes From Image", command = (lambda :self.LoadStrokesFromImage() or self.Redraw()), underline=1 )
# code that loads the data manager
self.dataManager_menu = Menu(top_menu)
top_menu.add_cascade(label="Data Manager", menu=self.dataManager_menu)
self.dataManager_menu.add_command(label="Load Data Manager", command = (lambda :self.loadDataManaer() or self.Redraw()), underline=1 )
self.dataManager_menu.add_command(label="Next Participant", command = (lambda :self.nextParticipant() or self.Redraw()), underline=1 )
self.dataManager_menu.add_command(label="Prev Participant", command = (lambda :self.prevParticipant() or self.Redraw()), underline=1 )
self.dataManager_menu.add_command(label="Next Diagram", command = (lambda :self.nextDiagram() or self.Redraw()), underline=1 )
self.dataManager_menu.add_command(label="Prev Diagram", command = (lambda :self.prevDiagram() or self.Redraw()), underline=1 )
def nextParticipant(self):
if self.participant + 1 >= len(self.dataset.participants):
self.participant = 0
else:
self.participant += 1
self.displayDataManager()
def prevParticipant(self):
if self.participant - 1 <= -1:
self.participant = len(self.dataset.participants) - 1
else:
self.participant -= 1
self.displayDataManager()
def nextDiagram(self):
p = self.participant
if self.diagram + 1 >= len(self.dataset.participants[p].diagrams):
self.diagram = 0
else:
self.diagram += 1
self.displayDataManager()
def prevDiagram(self):
p = self.participant
if self.diagram - 1 <= -1:
self.diagram = len(self.dataset.participants[p].diagrams) - 1
else:
self.diagram -= 1
self.displayDataManager()
def loadDataManaer(self):
# the string is the xml file you want to load.
fname = askopenfilename(initialdir='./')
if fname == "":
return
elif fname.strip().split(".")[-1] == "p":
try:
self.dataset = pickle.load(open(fname, "rb"))
except Exception as e:
print traceback.format_exc()
logger.debug( "Error loading data from file '%s':\n %s" % (fname, e))
return
else:
try:
self.dataset = DataManager.loadDataset(fname)
except Exception as e:
print traceback.format_exc()
logger.debug( "Error loading data from file '%s':\n %s" % (fname, e))
return
self.participant = 0
self.diagram = 0
self.displayDataManager()
logger.debug( "Loaded data from '%s'" % (fname))
def displayDataManager(self):
"""Paint whatever the display manager wants on the board"""
global HEIGHT, WIDTH, BOARDSCALE
self.ResetBoard()
print self.dataset.participants[self.participant].diagrams[self.diagram].type
xMax = 0
yMax = 0
xMin = sys.maxint
yMin = sys.maxint
par = self.participant
dig = self.diagram
# Finds the min and max points so we can scale the data to fit on the screen
for stkNum, inkStroke in self.dataset.participants[par].diagrams[dig].InkStrokes.items():
stroke = traceStroke(inkStroke.stroke)
ul,br = GeomUtils.strokelistBoundingBox([stroke])
xMax = max(ul.X, br.X, xMax)
yMax = max(ul.Y, br.Y, yMax)
xMin = min(ul.X, br.X, xMin)
yMin = min(ul.Y, br.Y, yMin)
# Find the distance that the strokes take up
# the "+ 20" is so we can have a 10 pixle buffer around the edges
setBoardScale(xMax, yMax)
labelStrokeMap = {} #Maps groupLabel : set(strokes)
for stkNum, inkStroke in self.dataset.participants[par].diagrams[dig].InkStrokes.items():
#print inkStroke.id
stroke = inkStroke.stroke
for groupLabel in self.dataset.participants[par].diagrams[dig].groupLabels:
if stroke.id in groupLabel.ids:
labelStrokeMap.setdefault(groupLabel, set()).add(stroke)
points = []
"""
# scale each point to it's new position
for p in stroke.Points:
x = (p.X - xMin) * scaleFactor + 10 # the "+10 is for the 10 pixle boarder
# y axis points in the data manager are inverted compaired to our screen
# so we invert them
y = HEIGHT - ((p.Y - yMin) * scaleFactor + 10)
points.append(Point(x,y))
"""
# create a new stroke out of the scaled points and add it to the board.
#s = Stroke(points)
s = inkStroke.stroke
self.Board.AddStroke(s)
self.StrokeList.append(s)
# Annotate the stroke with the type given in the data manager
for groupLabel, strokeSet in labelStrokeMap.items():
self.Board.AnnotateStrokes(list(strokeSet),
DataManager.DataManagerAnnotation(groupLabel.type))
def AddQueuedStroke(self):
#Only process one stroke per round
if not self.StrokeQueue.empty():
stk = self.StrokeQueue.get()
logger.debug("Adding queued stroke %s" % (stk))
self.Board.AddStroke(stk)
self.StrokeList.append(stk)
self.Redraw()
self.StrokeQueue.task_done()
def LoadStrokes(self):
maxX = maxY = 0
for stroke in self.StrokeLoader.loadStrokes():
maxX = max(stroke.BoundBottomRight.X, maxX)
maxY = max(stroke.BoundTopLeft.Y, maxY)
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
setBoardScale(maxX, maxY)
def SaveStrokes(self):
self.StrokeLoader.saveStrokes(self.StrokeList)
"""
def LoadStrokesFromImage(self):
fname = askopenfilename(initialdir='/home/jbrowne/src/sketchvision/images/')
if fname == "":
return
try:
logger.debug( "Loading strokes...")
strokes = imageToStrokes(fname)
except Exception as e:
logger.debug( "Error importing strokes from image '%s':\n %s" % (fname, e))
return
logger.debug( "Loaded %s strokes from '%s'" % (len(strokes), fname))
for s in strokes:
newStroke = Stroke()
for x,y in s.points:
scale = WIDTH / float(1280)
newPoint = Point(scale * x,HEIGHT - scale * y)
newStroke.addPoint(newPoint)
self.Board.AddStroke(newStroke)
self.StrokeList.append(newStroke)
"""
def RemoveLatestStroke(self):
if len (self.StrokeList) > 0:
stroke = self.StrokeList.pop()
self.Board.RemoveStroke(stroke)
def RebuildObjectMenu(self):
"Search the board for existing objects, and add a menu entry to manipulate it (drawAll)"
observers = self.Board.GetBoardObservers()
draw_vars = {}
for obs in observers:
key = obs.__class__
if key not in self.drawMenuOptions and hasattr(obs, "DrawAll"):
draw_vars[key] = key.DrawAll
for key, var in draw_vars.items():
self.drawMenuOptions[key] = self.object_menu.add_command(label=key.__name__,command=(lambda class_=key: self.InvertDraw(class_)), underline = 0)
def InvertDraw(self, class_):
"Essentially checkbox behavior for BoardObserver.DrawAll variable"
if hasattr(class_, "DrawAll"):
class_.DrawAll = not class_.DrawAll
self.Redraw()
def InitializeBoard(self):
"""Initialize all of the board observers and register debugable annotations, etc."""
_initializeBoard(self.Board)
def ResetBoard(self):
"Clear all strokes and board observers from the board (logically and visually)"
self.p_x = self.p_y = None
self.Board = Board(gui = self)
self.InitializeBoard()
self.RegisterAnimators()
self.CurrentPointList = []
self.StrokeList = []
def RegisterAnimators(self):
self.AnimatorDrawtimes = {}
for obs in self.Board.BoardObservers:
if Animator in type(obs).__mro__: #Check if it inherits from Animator
logger.debug( "Registering %s as animator" % (obs))
self.AnimatorDrawtimes[obs] = time.time()
def CanvasMiddleMouseDown(self, event):
x, y = _p2b(event.x, event.y)
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
if self.p_x != None and self.p_y != None:
px = self.p_x
py = self.p_y
self.drawLine(px, py, x, y, width=2, color="blue")
self.p_x = x
self.p_y = y
def CanvasMiddleMouseUp(self, event):
suggestStrokes = set()
if len(self.CurrentPointList) > 0:
containerStroke = Stroke( self.CurrentPointList )#, smoothing=True )
for testStroke in self.Board.Strokes:
if strokeContainsStroke(containerStroke, testStroke):
suggestStrokes.add(testStroke)
if len(suggestStrokes) > 0:
annoNameMap = dict( [(k.__name__, k) for k in self.Board.AnnoTargeters.keys() ] )
d = AnnotationDialog(self, annoNameMap.keys())
self.wait_window(d.top)
if d.data is not None:
self.Board.SuggestAnnotation(annoNameMap[d.data], list(suggestStrokes))
self.CurrentPointList = []
self.p_x = self.p_y = None
self.Redraw()
def CanvasRightMouseDown(self, event):
x, y = _p2b(event.x, event.y)
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
if self.p_x != None and self.p_y != None:
px = self.p_x
py = self.p_y
self.drawLine(px, py, x, y, width=2, color="gray")
self.p_x = x
self.p_y = y
def CanvasRightMouseUp(self, event):
delStrokes = set([])
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.CurrentPointList = []
for stk in list(self.StrokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
logger.debug( "Removing Stroke")
self.Board.RemoveStroke(stk)
self.StrokeList.remove(stk)
self.p_x = self.p_y = None
self.Redraw()
def CanvasMouseDown(self, event):
"Draw a line connecting the points of a stroke as it is being drawn"
x, y = _p2b(event.x, event.y)
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
if self.p_x != None and self.p_y != None:
px = self.p_x
py = self.p_y
self.drawLine(px, py, x, y, width=2, color="#000000")
self.p_x = x
self.p_y = y
def AddCurrentStroke(self):
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.Board.AddStroke(stroke)
self.StrokeList.append(stroke)
self.CurrentPointList = []
def CanvasMouseUp(self, event):
"Finish the stroke and add it to the board"
#start a new stroke
self.AddCurrentStroke()
self.p_x = self.p_y = None
self.Redraw()
def AnimateFrame(self):
for obs, deadline in self.AnimatorDrawtimes.items():
if deadline <= 1000 * time.time():
obs.drawMyself()
self.AnimatorDrawtimes[obs] = 1000 *( (1 / float(obs.fps)) + time.time() ) #Time the next frame
def Redraw(self):
"Find all the strokes on the board, draw them, then iterate through every object and have it draw itself"
global HEIGHT, WIDTH
self.BoardCanvas.delete(ALL)
strokes = self.Board.Strokes
observers = self.Board.BoardObservers
for s in strokes:
s.drawMyself()
for obs in observers:
obs.drawMyself()
def drawCircle(self, x, y, radius=1, color="#000000", fill="", width=1.0):
"Draw a circle on the canvas at (x,y) with radius rad. Color should be 24 bit RGB string #RRGGBB. Empty string is transparent"
x, y = _b2p(x,y)
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,y+radius,width=width, fill=fill, outline = "#BBBBBB")
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,y+radius,width=width-1, fill=fill, outline = color)
def drawLine(self, x1, y1, x2, y2, width=2, color="#000000"):
"Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24 bit RGB string #RRGGBB"
x1, y1 = _b2p(x1,y1)
x2, y2 = _b2p(x2, y2)
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill="#BBBBBB", width = width+1)
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill=color, width = width)
def drawStroke(self, stroke, width = 2, color="#000000", erasable = False):
if len(stroke.Points) > 0:
prevPt = stroke.Points[0]
px, py = _b2p(prevPt.X, prevPt.Y)
for pt in stroke.Points[1:]:
x, y = _b2p(pt.X, pt.Y)
self.BoardCanvas.create_line(px, py, x ,y, fill="#BBBBBB", width = width) #Fake anti-aliasing
self.BoardCanvas.create_line(px, py, x ,y, fill=color, width = width - 1)
(px, py) = (x,y)
def drawText (self, x, y, InText="", size=10, color="#000000"):
"Draw some text (InText) on the canvas at (x,y). Color as defined by 24 bit RGB string #RRGGBB"
x, y = _b2p(x,y)
text_font = ("times", size, "")
self.BoardCanvas.create_text(x,y,text = InText, fill = color, font = text_font, anchor=NW)
class GTKGui (_SketchGUI, gtk.DrawingArea):
def __init__(self, dims = (WIDTH, HEIGHT) ):
# Create a new window
gtk.DrawingArea.__init__(self)
self.resize(*dims)# BREAKS when X forwarding
#Semantic board data
self.board = None # set by resetBoard()
self.boardProcThread = BoardThread(self.board) # set by resetBoard()
#GUI data variables
self.shouldDrawStrokes = True
self.currentPoints = None # set by resetBoard()
self.strokeList = None # set by resetBoard()
self.opQueue = None # set by resetBoard()
self.isMouseDown1 = False
self.isMouseDown3 = False
self.keyCallbacks = {}
self.strokeQueue = ProcQueue()
self.strokeLoader = StrokeStorage()
self.screenImage = None
self._pixbuf = None
self._isFullscreen = False
#Cairo drawing data
self.renderBuffer = None
self.context = None
#Event hooks
gobject.idle_add(self.processOps) #Idle event
gobject.idle_add(self.processQueuedStrokes) #Async stroke processing
self.set_property("can-focus", True) #So we can capture keyboard events
self.connect("button_press_event", self.onMouseDown)
self.connect("motion_notify_event", self.onMouseMove)
self.connect("button_release_event", self.onMouseUp)
self.connect("key_press_event", self.onKeyPress)
self.connect("expose_event", self.onExpose)
self.set_events(gtk.gdk.BUTTON_RELEASE_MASK |
gtk.gdk.BUTTON_PRESS_MASK |
gtk.gdk.KEY_PRESS_MASK |
gtk.gdk.EXPOSURE_MASK |
gtk.gdk.POINTER_MOTION_MASK )
#Enable the board processing
self.resetBoard()
def getDimensions(self):
"Return the (width, height) of the visible board area"
return self.window.get_size()
def post(self, op):
self.opQueue.put(op)
def registerKeyCallback(self, keyVal, function):
"""Register a function to be called when
a certain keyVal is pressed"""
log.debug("Registered function for %s" % (keyVal))
self.keyCallbacks.setdefault(keyVal, []).append(function)
def onKeyPress(self, widget, event, data=None):
key = chr(event.keyval % 256)
#Run the registered callbacks
for func in self.keyCallbacks.get(key, ()):
func()
#Run the hard-coded key events
if key == 'r':
self.resetBoard()
elif key == 'i':
def ok_callback(fileSelector):
fname = fileSelector.get_filename()
fileSelector.destroy()
self.loadStrokesFromImage(filename=fname)
fileSelector = gtk.FileSelection("Choose a photo")
fileSelector.set_filename("./photos/")
fileSelector.ok_button.connect("clicked",
(lambda w: ok_callback(fileSelector)) )
fileSelector.cancel_button.connect("clicked",
(lambda w: fileSelector.destroy()) )
fileSelector.show()
elif key == 'l':
self.loadStrokes()
elif key == 's':
self.saveStrokes()
elif key == 'f':
self.setFullscreen(not self._isFullscreen)
elif key == 'q':
gtk.main_quit()
elif key in ('1','0','-','`',' '):
self.controlTuringMachines(key)
self.boardChanged()
elif key == 'D':
self.shouldDrawStrokes = not self.shouldDrawStrokes
if self.shouldDrawStrokes:
print ("Show Strokes")
else:
print("Don't Show Strokes")
self.draw()
def controlTuringMachines(self, key):
"""Keyboard bindings specifically hard-coded for controlling
any present Turing Machine annotations"""
tmAnnos = self.board.FindAnnotations(anno_type = TuringMachineAnnotation)
if key in ['1', '0', '-']:
for anno in tmAnnos:
tapeString = anno.getTapeString()
tapeString+= key
anno.setTapeString(tapeString)
elif key == '`':
fp = open("TuringMachines.dot", "a")
for anno in tmAnnos:
print >> fp, anno.dotify()
anno.setTapeString("")
anno.restartSimulation()
fp.close()
elif key == ' ':
for anno in tmAnnos:
anno.simulateStep()
def resetBackBuffer(self):
"""Reset the back painting buffer, for example when the screen
size changes"""
x,y,w,h = self.allocation
log.debug("Reset back buffer %sx%s" % (w,h))
self.renderBuffer = cairo.ImageSurface(cairo.FORMAT_ARGB32, w,h)
self.context = cairo.Context(self.renderBuffer)
#self.screenImage = None
def setFullscreen(self, makeFull):
"""Set the application fullscreen according to makeFull(boolean)"""
windows = gtk.window_list_toplevels()
# for (i, win) in enumerate(windows):
# print i, win.name, "Has focus: %s" % (win.has_toplevel_focus())
# win = windows[0]
self._pixbuf = None
if makeFull:
self.screenImage = None
self._isFullscreen = True
log.debug("Fullscreen")
for win in windows:
if self in win.children():
win.fullscreen()
self.opQueue.put(lambda : time.sleep(0.1)) # So we don't reset too early
self.opQueue.put(lambda : self.resetBackBuffer())
else:
self.screenImage = None
self._isFullscreen = False
log.debug("UNFullscreen")
for win in windows:
if self in win.children():
win.unfullscreen()
self.opQueue.put(lambda : time.sleep(0.1))
self.opQueue.put(lambda : self.resetBackBuffer())
def resetBoard(self):
log.debug("Resetting Board")
self.opQueue = Queue.Queue()
self.board = Board(gui = self)
self.strokeList = []
self.currentPoints = []
Config.initializeBoard(self.board)
self.boardProcThread.stop()
self.boardProcThread = BoardThread(self.board)
self.boardProcThread.start()
self.opQueue.put(lambda : time.sleep(0.1)) # So we don't reset too early
self.opQueue.put(lambda : self.resetBackBuffer())
self.opQueue.put(lambda : self.boardChanged())
def boardChanged(self):
if self.strokeQueue.empty(): #No strokes waiting to be processed
if self.board.Lock.acquire(False): #Nobody's using the board
self.board.Lock.release()
self.draw()
def loadStrokesFromImage(self, filename=None, image=None):
width, height = self.window.get_size()
if image is None:
if filename is None:
return
else:
image = ImageStrokeConverter.loadFile(filename)
p = Process(target = processImage,
args = (image, self.strokeQueue, (width,height) )
)
p.start()
def loadStrokes(self):
for stroke in self.strokeLoader.loadStrokes():
self.addStroke(stroke)
def saveStrokes(self):
self.strokeLoader.saveStrokes(self.strokeList)
with self.board.Lock:
print ElementTree.tostring(self.board.xml(1280, 720))
def drawCircle(self, *args, **kargs):
"""Draw a circle on the canvas at (x,y) with radius rad. Color should be
24 bit RGB string #RRGGBB. Empty string is transparent"""
op = partial(GTKGui._drawCircle, self, *args, **kargs)
self.opQueue.put(op)
def drawText(self, *args, **kargs):
"""Draw some text (InText) on the canvas at (x,y). Color as defined by 24
bit RGB string #RRGGBB"""
op = partial(GTKGui._drawText, self, *args, **kargs)
self.opQueue.put(op)
def drawLine(self, x1, y1, x2, y2, width=2, color="#FFFFFF"):
"""Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24
bit RGB string #RRGGBB"""
op = partial(GTKGui._drawLine, self, x1, y1, x2, y2, width, color)
self.opQueue.put(op)
def drawStroke(self, *args, **kargs):
"""Draw a stroke on the board with width and color as specified."""
op = partial(GTKGui._drawStroke, self, *args, **kargs)
self.opQueue.put(op)
def drawCurve(self, *args, **kargs):
"Draw a curve on the board with width and color as specified"
op = partial(GTKGui._drawCurve, self, *args, **kargs)
self.opQueue.put(op)
def drawBox(self, *args, **kargs):
op = partial(GTKGui._drawBox, self, *args, **kargs)
self.opQueue.put(op)
def drawBitmap(self, x, y, filename=None, pixbuf=None):
try:
if pixbuf is None and filename is not None:
pixbuf = gtk.gdk.pixbuf_new_from_file(filename)
elif pixbuf is None:
raise Exception("Must specify filename or pixbuf")
else:
op = partial(GTKGui._drawBitmap, self, x, y, pixbuf)
self.opQueue.put(op)
except Exception as e:
log.warn(str(e))
#________________________________________
# Private, actual draw calls
#________________________________________
def _drawCircle(self, x, y, radius=1, color="#FFFFFF", fill="", width=1.0):
"""Draw a circle on the canvas at (x,y) with radius rad. Color should be
24 bit RGB string #RRGGBB. Empty string is transparent"""
self.context.save()
#Draw the line
pt = self.b2c(Point(x,y))
self.context.arc(pt.X, pt.Y, radius, 0, math.pi * 2)
if fill != "":
self.context.set_source_rgb(* hexToTuple(fill) )
self.context.fill_preserve()
#c = hexToTuple(color)
self.context.set_source_rgb(*hexToTuple(color))
self.context.stroke()
self.context.restore()
def _drawLine(self, x1, y1, x2, y2, width, color, _context=None):
"""Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24
bit RGB string #RRGGBB"""
if _context is None:
context = self.context
else:
context = _context
context.save()
#Draw the line
c = hexToTuple(color)
context.set_source_rgb(*c)
p1 = self.b2c(Point(x1, y1))
p2 = self.b2c(Point(x2, y2))
context.move_to( p1.X, p1.Y )
context.line_to( p2.X, p2.Y )
context.stroke()
context.restore()
def _drawText (self, x, y, InText="", size=10, color="#FFFFFF"):
"""Draw some text (InText) on the canvas at (x,y). Color as defined by 24
bit RGB string #RRGGBB"""
self.context.save()
ctxt = pangocairo.CairoContext(self.context)
layout = ctxt.create_layout()
layout.set_text(InText)
c = hexToTuple(color)
self.context.set_source_rgb(*c)
_, (tlx, tly, brx, bry) = layout.get_pixel_extents()
pt = Point(x, y)
#pt = self.b2c(Point(x, y - bry))
pt = self.b2c(pt)
ctxt.translate(pt.X, pt.Y)
ctxt.show_layout(layout)
self.context.restore()
# ------------------------------------------------
# Optional overloads
def _drawBox(self, tl, br, topright = None,
bottomleft = None, color="#FFFFFF", fill = "", width=2):
self.context.save()
tl = self.b2c(tl)
br = self.b2c(br)
x = tl.X
y = tl.Y
w = br.X - tl.X
h = br.Y - tl.Y
self.context.set_source_rgb(* hexToTuple(color))
self.context.set_line_width(width)
self.context.rectangle(x,y,w,h)
if fill != "":
self.context.set_source_rgb(* hexToTuple(fill))
self.context.fill_preserve()
self.context.stroke()
self.context.restore()
def _drawStroke(self, stroke, width = 2, color="#FFFFFF", erasable = False):
"""Draw a stroke on the board with width and color as specified."""
self.context.save()
#Draw the lines
c = hexToTuple(color)
self.context.set_source_rgb(*c)
if len(stroke.Points) > 0:
pt = self.b2c(stroke.Points[0])
self.context.move_to( pt.X, pt.Y )
if len(stroke.Points) > 1:
for pt in stroke.Points[1:]:
pt = self.b2c(pt)
self.context.line_to( pt.X, pt.Y)
else:
pass
self.context.stroke()
self.context.restore()
def _drawBitmap(self, x, y, pixbuf):
"""Draw a bitmap on the board"""
self.context.save()
pt = self.b2c(Point(x,y))
ctxt2 = gtk.gdk.CairoContext(self.context)
ctxt2.set_source_pixbuf(pixbuf, pt.X, pt.Y)
ctxt2.paint()
self.context.restore()
def _getContext(self):
return self.window.cairo_create()
def resize(self, w,h):
"""Set the size of the canvas to w x h"""
self.set_size_request(w,h)
def processQueuedStrokes(self):
if not self.strokeQueue.empty():
log.debug("Adding queued stroke")
stroke = self.strokeQueue.get()
self.strokeList.append(stroke)
self.boardProcThread.addStroke(stroke, callback = self.boardChanged)
return True
def processOps(self):
"""Process one operation from the opqueue"""
if not self.opQueue.empty():
op = self.opQueue.get() #Call the next operation in the queue
op()
self.opQueue.task_done()
return True #Call me again next idle time
def onMouseDown(self, widget, e):
"""Respond to a mouse being pressed"""
if e.button == 1:
self.isMouseDown1 = True
self.currentPoints.append(self.b2c(Point(e.x, e.y)))
return True
elif e.button == 3:
self.isMouseDown3 = True
self.currentPoints.append(self.b2c(Point(e.x, e.y)))
return True
def onMouseMove(self, widget, e):
"""Respond to the mouse moving"""
if self.isMouseDown1:
p = self.currentPoints[-1]
curPt = self.b2c(Point(e.x, e.y))
self.currentPoints.append(curPt)
liveContext = self._getContext()
self._drawLine(p.X, p.Y, curPt.X, curPt.Y,
2, "#ffffff", _context= liveContext)
return True
elif self.isMouseDown3:
p = self.currentPoints[-1]
curPt = self.b2c(Point(e.x, e.y))
self.currentPoints.append(curPt)
liveContext = self._getContext()
self._drawLine(p.X, p.Y, curPt.X, curPt.Y,
2, "#c00c0c", _context = liveContext)
return True
def onMouseUp(self, widget, e):
"""Respond to the mouse being released"""
if e.button == 1:
self.isMouseDown1 = False
curPt = self.b2c(Point(e.x, e.y))
self.currentPoints.append(curPt)
stroke = Stroke( self.currentPoints)
self.currentPoints = []
self.addStroke(stroke)
#self.opQueue.put(partial(GTKGui.addStroke, self, stroke))
#self.draw()
return True
elif e.button == 3:
self.isMouseDown3 = False
curPt = self.b2c(Point(e.x, e.y))
self.currentPoints.append(curPt)
stroke = Stroke( self.currentPoints)
self.currentPoints = []
shouldRedraw = True
for stk in list(self.strokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
self.eraseStroke(stk)
shouldRedraw = False
if shouldRedraw:
#pass
self.draw()
return True
def addStroke(self, stroke):
"""Add as stroke to the board and our local bookkeeping"""
self.strokeQueue.put(stroke)
# self.boardProcThread.addStroke(stroke, callback = self.boardChanged)
def eraseStroke(self, stroke):
"""Remove a stroke from the board and our local lists"""
self.strokeList.remove(stroke)
self.boardProcThread.removeStroke(stroke, callback = self.boardChanged)
def onExpose(self, widget, e):
"""Respond to the window being uncovered"""
log.debug("Expose")
if self.screenImage is not None:
self.window.draw_pixbuf(None, self.screenImage, 0,0, 0,0)
else:
self.draw()
def clearBoard(self, bgColor="#000000"):
"""Erase the contents of the board"""
log.debug("Clear")
self.context.save()
c = hexToTuple(bgColor)
self.context.set_source_rgb(*c)
rect = self.get_allocation()
self.context.rectangle(rect.x, rect.y, rect.width, rect.height)
self.context.fill()
self.context.restore()
def draw(self):
"""Draw the board"""
log.debug("Redraw")
self.opQueue.put(partial(GTKGui.clearBoard, self))
with self.board.Lock:
if self.shouldDrawStrokes:
for stk in self.board.Strokes:
stk.drawMyself()
for obs in self.board.BoardObservers:
obs.drawMyself()
self.drawStroke(Stroke(self.currentPoints))
self.doPaint()
def doPaint(self):
"""A method to commit the current queue of draw events to
the screen"""
self.opQueue.put(partial( GTKGui.flipContext, self) )
self.opQueue.put(partial( GTKGui._updateScreenImage, self) )
def flipContext(self):
"""Render the drawn surface to the screen"""
log.debug("Flip image to surface")
bufferToPaint = self.renderBuffer
(nw, nh) = bufferToPaint.get_width(), bufferToPaint.get_height()
log.debug(" Current buffer: %sx%s" % (nw, nh) )
#Set up a new buffer to paint from
self.resetBackBuffer()
#Paint the render buffer to the live context
liveContext = self._getContext()
liveContext.set_source_surface(bufferToPaint)
liveContext.paint()
def getScreenShot(self):
width, height = self.window.get_size()
#if self._pixbuf is None:
log.debug(" pixbuf size: %sx%s" % (width, height))
_pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
width, height)
#BREAKING
print os.getpid()
screenImage = _pixbuf.get_from_drawable(self.window,
self.window.get_colormap(),
0, 0, 0, 0, width, height)
retImage = cv.CreateImageHeader( (screenImage.get_width(), screenImage.get_height()), cv.IPL_DEPTH_8U, 3)
cv.SetData(retImage, screenImage.get_pixels())
retImage = cv.GetMat(retImage)
return retImage
def _updateScreenImage(self):
"""Update the image of the screen we're dealing with"""
width, height = self.window.get_size()
log.debug("Update Screenshot")
_pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8,
width, height)
self.screenImage = _pixbuf.get_from_drawable(self.window,
self.window.get_colormap(),
0, 0, 0, 0, width, height)
self.screenImage.save('screenshot.png', 'png')
# saveimg(self.getScreenShot())
def b2c(self, pt):
"""Converts bottom-left origin Board coordinates to raw canvas coords
and back"""
rect = self.get_allocation()
return Point(pt.X, rect.height - pt.Y)
class TkSketchFrame(Frame, _SketchGUI):
"""The base GUI class.
Class must implement drawText, drawLine and drawCircle. X-Y origin is bottom-left corner.
Aside from these restrictions, interface options (reset board, etc) are up to the GUI programmer."""
def __init__(self):
"Set up the Tkinter GUI stuff as well as the board logic"
global HEIGHT, WIDTH
self.root = Tk()
self.root.title("Sketchy/Scratch")
Frame.__init__(self, self.root)
self.pack()
#Set up the GUI stuff
self.drawMenuOptions = {}
self.BoardCanvas= Canvas(self, width=WIDTH, height = HEIGHT, bg="white", bd=2)
self.BoardCanvas.pack(side=BOTTOM)
self.ClassNameEntry = Entry(self)
self.ClassNameEntry['width'] = 30
self.ClassNameEntry.pack(side=RIGHT)
#Left click bindings
self.BoardCanvas.bind("<ButtonPress-1>", self.CanvasMouseDown)
self.BoardCanvas.bind("<B1-Motion>", self.CanvasMouseDown)
self.BoardCanvas.bind("<ButtonRelease-1>", self.CanvasMouseUp)
#Right click bindings
self.BoardCanvas.bind("<ButtonPress-3>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<B3-Motion>", self.CanvasRightMouseDown)
self.BoardCanvas.bind("<ButtonRelease-3>", self.CanvasRightMouseUp)
#Middle click bindings
self.BoardCanvas.bind("<ButtonPress-2>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<B2-Motion>", self.CanvasMiddleMouseDown)
self.BoardCanvas.bind("<ButtonRelease-2>", self.CanvasMiddleMouseUp)
self.MakeMenu()
#Set up all the logical board stuff before displaying anything
self.StrokeQueue = Queue.Queue()
self.CurrentPointList = []
self.StrokeList = []
self.StrokeLoader = StrokeStorage()
self.ResetBoard()
self._strokeTrainer = Rubine.RubineClassifier(featureSet = FEATURESET(), debug = True)
#self.NewTrainingClass()
self.Redraw()
self.run()
def run(self):
try:
while 1:
self.root.update()
self.root.update_idletasks()
except TclError:
pass
def MakeMenu(self):
"Reserve places in the menu for fun actions!"
win = self.master
top_menu = Menu(win)
win.config(menu=top_menu)
#self.object_menu = Menu(top_menu)
#top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
top_menu.add_command(label="Reset Board", command = (lambda :self.ResetBoard() or self.Redraw()), underline=1 )
top_menu.add_command(label="Load strokes.dat", command = (lambda : self.LoadStrokes() or self.Redraw()), underline=1 )
top_menu.add_command(label="Save strokes.dat", command = (lambda : self.SaveStrokes()), underline=1 )
top_menu.add_command(label="Undo Stroke", command = (lambda :self.RemoveLatestStroke() or self.Redraw()), underline=1 )
top_menu.add_command(label="New Rubine Class", command = (lambda :self.NewTrainingClass() or self.Redraw()), underline=1 )
top_menu.add_command(label="Train Class on Strokes", command = (lambda :self.TrainClassOnStrokes() or self.Redraw()), underline=1 )
top_menu.add_command(label="Save Training Data", command = (lambda :self.SaveTrainingWeights() or self.Redraw()), underline=1 )
top_menu.add_command(label="Strokes From Image", command = (lambda :self.LoadStrokesFromImage() or self.Redraw()), underline=1 )
def TrainClassOnStrokes(self):
if self.currentSymClass == None:
logger.warn("Cannot train on strokes. You must choose a class first!")
return
for stroke in self.StrokeList:
self._strokeTrainer.addStroke(stroke, self.currentSymClass)
logger.debug("Added stroke to examples for %s" % (self.currentSymClass))
self.StrokeList = []
self.currentSymClass = None
def NewTrainingClass(self):
name = None
if self.ClassNameEntry.get().strip() != "":
name = self.ClassNameEntry.get().strip()
name = self._strokeTrainer.newClass(name = name)
self.currentSymClass = name
print "Now training class %s" % (self.currentSymClass)
self.ResetBoard()
def SaveTrainingWeights(self):
self._strokeTrainer.saveWeights("RubineData.xml")
self.ResetBoard()
def LoadStrokes(self):
for stroke in self.StrokeLoader.loadStrokes():
self.StrokeList.append(stroke)
#self.object_menu = Menu(top_menu)
#top_menu.add_cascade(label="ObjectMenu", menu=self.object_menu)
def LoadStrokesFromImage(self):
fname = askopenfilename(initialdir='./')
if fname == "":
return
try:
logger.debug( "Loading strokes...")
strokes = ImageStrokeConverter.imageToStrokes(fname)
except Exception as e:
logger.debug( "Error importing strokes from image '%s':\n %s" % (fname, e))
return
logger.debug( "Loaded %s strokes from '%s'" % (len(strokes), fname))
for s in strokes:
newStroke = Stroke()
for x,y in s.points:
scale = WIDTH / float(1280)
newPoint = Point(scale * x,HEIGHT - scale * y)
newStroke.addPoint(newPoint)
#self.Board.AddStroke(newStroke)
self.StrokeList.append(newStroke)
def SaveStrokes(self):
self.StrokeLoader.saveStrokes(self.StrokeList)
def RemoveLatestStroke(self):
if len (self.StrokeList) > 0:
stroke = self.StrokeList.pop()
def ResetBoard(self):
"Clear all strokes and board observers from the board (logically and visually)"
self.p_x = self.p_y = None
self.CurrentPointList = []
self.StrokeList = []
def CanvasMiddleMouseDown(self, event):
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "blue", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = event.x
self.p_y = event.y
def CanvasMiddleMouseUp(self, event):
self.CurrentPointList = []
self.p_x = self.p_y = None
self.Redraw()
def CanvasRightMouseDown(self, event):
x = event.x
y = event.y
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "gray", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def CanvasRightMouseUp(self, event):
delStrokes = set([])
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.CurrentPointList = []
for stk in list(self.StrokeList):
if len(getStrokesIntersection(stroke, stk) ) > 0:
logger.debug( "Removing Stroke")
self.StrokeList.remove(stk)
self.p_x = self.p_y = None
self.Redraw()
def CanvasMouseDown(self, event):
"Draw a line connecting the points of a stroke as it is being drawn"
x = event.x
y = event.y
#self.BoardCanvas.create_oval(x,y,x,y,activewidth="1", fill="black", outline = "black")
if self.p_x != None and self.p_y != None:
p_x = self.p_x
p_y = self.p_y
self.BoardCanvas.create_line(p_x, p_y, x ,y, fill = "black", width=2)
x = event.x
y = HEIGHT - event.y
t = time.time()
self.CurrentPointList.append(Point(x,y,t))
self.p_x = x
self.p_y = HEIGHT - y
def AddCurrentStroke(self):
try:
if len(self.CurrentPointList) > 0:
stroke = Stroke( self.CurrentPointList )#, smoothing=True )
self.StrokeList.append(stroke)
logger.debug("StrokeAdded Successfully")
except Exception as e:
print traceback.format_exc()
print e
finally:
self.CurrentPointList = []
def CanvasMouseUp(self, event):
"Finish the stroke and add it to the board"
#start a new stroke
self.AddCurrentStroke()
self.p_x = self.p_y = None
self.Redraw()
def Redraw(self):
"Find all the strokes on the board, draw them, then iterate through every object and have it draw itself"
global HEIGHT, WIDTH
self.BoardCanvas.delete(ALL)
strokes = self.StrokeList
for s in strokes:
self.drawStroke( strokeSmooth(s, width = max(int(strokeLength(s) * 0.01), 1) ))
#for c in strokeApproximateCubicCurves(s):
#self.drawCurve(c)
def drawCircle(self, x, y, radius=1, color="#000000", fill="", width=1.0):
"Draw a circle on the canvas at (x,y) with radius rad. Color should be 24 bit RGB string #RRGGBB. Empty string is transparent"
y = HEIGHT - y
self.BoardCanvas.create_oval(x-radius,y-radius,x+radius,y+radius,width=width, fill=fill, outline = color)
def drawLine(self, x1, y1, x2, y2, width=2, color="#000000"):
"Draw a line on the canvas from (x1,y1) to (x2,y2). Color should be 24 bit RGB string #RRGGBB"
y1 = HEIGHT - y1
y2 = HEIGHT - y2
self.BoardCanvas.create_line(x1, y1, x2 ,y2, fill=color, width = width)
def drawText (self, x, y, InText="", size=10, color="#000000"):
"Draw some text (InText) on the canvas at (x,y). Color as defined by 24 bit RGB string #RRGGBB"
y = HEIGHT - y
text_font = ("times", size, "")
self.BoardCanvas.create_text(x,y,text = InText, fill = color, font = text_font, anchor=NW)
def drawStroke(self, stroke, width = 2, color="#000000", erasable = False):
prev = None
for p in stroke.Points:
if prev != None:
self.drawLine(prev.X, prev.Y, p.X, p.Y, width= width, color = color)
prev = p
