class Canvas(HorizontalPanel):
def __init__(self, SW, SH):
HorizontalPanel.__init__(self)
self.SW = SW
self.SH = SH
self.context = GWTCanvas(SW, SH, SW, SH)
self.context.addStyleName("gwt-canvas")
self.add(self.context)
def draw(self, game):
self.context.fillStyle = "#00AA00"
self.context.fillRect(0, 0, SW, SH)
class MainWidget(HorizontalPanel):
def __init__(self, SW, SH):
HorizontalPanel.__init__(self)
self.SW = SW
self.SH = SH
self.context = GWTCanvas(SW, SH, SW, SH)
self.context.addStyleName("gwt-canvas")
self.add(self.context)
def draw(self, game=None):
self.context.setFillStyle(Color.Color("#00AA00"))
self.context.fillRect(0, 0, self.SW, self.SH)
SP = self.SW // 8
for x in range(0, self.SW, SP):
self.context.beginPath()
self.context.setStrokeStyle(Color.BLACK)
self.context.setLineWidth(1)
self.context.moveTo(x, 0)
self.context.lineTo(x, self.SH)
self.context.closePath()
self.context.stroke()
for y in range(0, self.SH, SP):
self.context.beginPath()
self.context.setStrokeStyle(Color.BLACK)
self.context.setLineWidth(1)
self.context.moveTo(0, y)
self.context.lineTo(self.SW, y)
self.context.closePath()
self.context.stroke()
# Draw pieces
for (x, y) in [(x, y) for x in range(8) for y in range(8)]:
if game.state[x][y] != Game.NONE:
if game.state[x][y] == Game.BLACK:
self.context.setFillStyle(Color.BLACK)
elif game.state[x][y] == Game.WHITE:
self.context.setFillStyle(Color.WHITE)
self.context.beginPath()
self.context.arc(x * SP + SP // 2, y * SP + SP // 2, SP // 2, 0, 2 * pi)
self.context.closePath()
self.context.fill()
# Draw liberties
for (x, y) in Game.liberties(game.current_player, game.state):
self.context.setFillStyle(Color.WHITE)
self.context.beginPath()
self.context.arc(x * SP + SP // 2, y * SP + SP // 2, 4, 0, 2 * pi)
self.context.closePath()
self.context.fill()
class CanvasTest(object):
def __init__(self):
self.canvas = GWTCanvas(coordX = 400, coordY= 400, pixelX = 400, pixelY = 400)
self.canvas.addStyleName("gwt-canvas")
DOM.sinkEvents(self.canvas.getElement(), Event.MOUSEEVENTS)
#DOM.setEventListener(self.canvas.getElement(), self)
self.canvas.setFillStyle(Color.Color(255, 0, 0))
self.canvas.fillRect(4,4,10,10)
self._dragging = False
#Register for canvas mouse events
RootPanel().add(self.canvas)
def onBrowserEvent(self, event):
print "Event happened"
kind = DOM.eventGetType(event)
x = DOM.eventGetClientX(event) - DOM.getAbsoluteLeft(self.canvas.getElement())
y = DOM.eventGetClientY(event) - DOM.getAbsoluteTop(self.canvas.getElement())
print "Type of event: %s" % (kind)
if kind == "mousedown":
self._dragging = True
self.onMouseDown(x,y)
elif kind == "mousemove" and self._dragging:
self.onMouseDrag(x,y)
elif (kind == "mouseup" or kind == "mouseout") and self._dragging:
self._dragging = False
self.onMouseUp(x,y)
def onMousedown(self, x, y):
print "Mousedown"
def onMouseDrag(self, x, y):
print "Mouse dragging"
def onMouseUp(self, x, y):
print "Mouseup"
class MainPanel(VerticalPanel):
CANVAS_WIDTH = 900
CANVAS_HEIGHT = 700
def __init__(self, owner):
super(VerticalPanel, self).__init__()
self.edgequeue = list()
self.owner = owner
self.InitialiseScreen()
StaticObjectsTask(self.Draw).schedule(5000) #Poll every five seconds
def EdgeListener(self, edge):
self.edgequeue.append(edge.asDict())
EdgePoster(self.edgequeue).schedule(1) #Schedule in the future so edges are sent in bulk
def InitialiseScreen(self):
hpanel = HorizontalPanel()
self.add(hpanel)
vpanelMenu = VerticalPanel()
hpanel.add(vpanelMenu)
self.addbutton = Button("Add Triangle")
vpanelMenu.add(self.addbutton)
self.addbutton.addClickListener(getattr(self, "addtriangle"))
self.canvas = GWTCanvas(self.CANVAS_WIDTH, self.CANVAS_HEIGHT)
vpanelCanvas = VerticalPanel()
self.canvas.setWidth(self.CANVAS_WIDTH)
self.canvas.setHeight(self.CANVAS_HEIGHT)
hpanel.add(vpanelCanvas)
vpanelCanvas.add(self.canvas)
self.canvas.addMouseListener(self)
self.selecteditem = None
self.selectedhandle = None
self.mouseisdown = False
dc = DocumentCollection.documentcollection
DocumentCollection.documentcollection.edgelistener = self.EdgeListener
if len(dc.documentsbyclass[model.Drawing.__name__]) == 0:
drawing = model.Drawing(None)
dc.AddDocumentObject(drawing)
EdgePoster([a.asDict() for a in drawing.history.GetAllEdges()])
else:
for k,v in dc.documentsbyclass[model.Drawing.__name__].iteritems():
drawing = v
self.drawingid = drawing.id
self.Draw()
def GetDrawing(self):
return DocumentCollection.documentcollection.objectsbyid[self.drawingid]
def sortfn(self, t1, t2):
return cmp(t1.z_order, t2.z_order)
def GetTrianglesAsList(self):
#Return the triangles as an ordinary python list
#triangles = [self.drawing.triangles.GetDocument().documentobjects[objid] for objid in self.drawing.triangles]
triangles = list()
for triangle in self.GetDrawing().triangles:
#triangles = self.drawing.GetDocument().documentobjects[objid]
triangles.append(triangle)
if len(triangles) > 0:
triangles.sort(self.sortfn)
return triangles
def DrawHandle(self,x,y):
self.canvas.setFillStyle(Color.RED)
self.canvas.beginPath()
self.canvas.arc(x, y, 5, 0, math.pi * 2, False)
self.canvas.fill()
def Draw(self):
self.canvas.setFillStyle(Color.WHITE)
self.canvas.fillRect(0, 0, self.CANVAS_WIDTH, self.CANVAS_HEIGHT)
for t in self.GetTrianglesAsList():
self.canvas.setFillStyle(Color.BLUE)
self.canvas.setLineWidth(5)
self.canvas.setStrokeStyle(Color.BLACK)
self.canvas.setLineWidth(2)
self.canvas.beginPath()
self.canvas.moveTo(t.x1, t.y1)
self.canvas.lineTo(t.x2, t.y2)
self.canvas.lineTo(t.x3, t.y3)
self.canvas.lineTo(t.x1, t.y1)
self.canvas.fill()
self.canvas.stroke()
if self.selecteditem == t:
self.canvas.setLineWidth(1)
self.canvas.setStrokeStyle(Color.RED)
self.canvas.beginPath()
self.canvas.moveTo(t.x1, t.y1)
self.canvas.lineTo(t.x2, t.y2)
self.canvas.lineTo(t.x3, t.y3)
self.canvas.lineTo(t.x1, t.y1)
self.canvas.stroke()
self.DrawHandle(t.x1, t.y1)
self.DrawHandle(t.x2, t.y2)
self.DrawHandle(t.x3, t.y3)
def addtriangle(self, sender):
left_margin = 50
triangle_spacing = 150
drawing = self.GetDrawing()
c = len(drawing.triangles)
posx = left_margin + c % ((self.CANVAS_WIDTH - left_margin) // triangle_spacing) * triangle_spacing
posy = c // ((self.CANVAS_WIDTH - left_margin) // triangle_spacing) * triangle_spacing
t = model.Triangle(None)
drawing.triangles.add(t)
t.z_order = c
setattr(t, 'x1', posx)
setattr(t, 'y1', posy + 50)
setattr(t, 'x2', posx + 100)
setattr(t, 'y2', posy + 100)
setattr(t, 'x3', posx + 50)
setattr(t, 'y3', posy + 150)
self.Draw()
def onMouseDown(self, sender, x, y):
self.mouseisdown = True
if self.selecteditem is not None:
self.selectedhandle = None
if HandleSelected(x,y, self.selecteditem.x1, self.selecteditem.y1):
self.selectedhandle = 1
elif HandleSelected(x,y, self.selecteditem.x2, self.selecteditem.y2):
self.selectedhandle = 2
elif HandleSelected(x,y, self.selecteditem.x3, self.selecteditem.y3):
self.selectedhandle = 3
if self.selectedhandle is None:
self.selecteditem = self.FindTriangle(x,y)
if self.selecteditem is None and self.selectedhandle is None:
self.selectedhandle = None
if self.selecteditem is not None:
self.selecteditem.changessuspended = True
self.Draw()
self.lastx = x
self.lasty = y
def onMouseMove(self, sender, x, y):
if self.selecteditem is not None and self.mouseisdown:
diffx = x - self.lastx
diffy = y - self.lasty
t = self.selecteditem
if self.selectedhandle is None:
setattr(t, 'x1', t.x1 + diffx)
setattr(t, 'y1', t.y1 + diffy)
setattr(t, 'x2', t.x2 + diffx)
setattr(t, 'y2', t.y2 + diffy)
setattr(t, 'x3', t.x3 + diffx)
setattr(t, 'y3', t.y3 + diffy)
elif self.selectedhandle == 1:
setattr(t, 'x1', t.x1 + diffx)
setattr(t, 'y1', t.y1 + diffy)
elif self.selectedhandle == 2:
setattr(t, 'x2', t.x2 + diffx)
setattr(t, 'y2', t.y2 + diffy)
elif self.selectedhandle == 3:
setattr(t, 'x3', t.x3 + diffx)
setattr(t, 'y3', t.y3 + diffy)
self.lastx = x
self.lasty = y
self.Draw()
def onMouseUp(self, sender,x, y):
if self.mouseisdown and self.selecteditem:
t = self.selecteditem
self.selecteditem.changessuspended = False
setattr(t, 'x1', t.x1)
setattr(t, 'y1', t.y1)
setattr(t, 'x2', t.x2)
setattr(t, 'y2', t.y2)
setattr(t, 'x3', t.x3)
setattr(t, 'y3', t.y3)
self.mouseisdown = False
def onMouseEnter(self, sender, x, y):
pass
def onMouseLeave(self, sender, x, y):
pass
def FindTriangle(self, x, y):
pt = Point(x, y)
for t in self.GetTrianglesAsList():
if PointInTriangle(pt, t):
return t
return None
class HangDude(HorizontalPanel):
def __init__(self):
HorizontalPanel.__init__(self)
self.context = GWTCanvas(300,300,300,300)
self.context.addStyleName("gwt-canvas")
self.add(self.context)
def clear(self):
self.context.clear()
def draw(self, guesses):
self.context.fillStyle = '#000'
self.context.lineWidth = 2
if guesses == 1:
self.context.fillRect(20, 280, 200,10)
elif guesses == 2:
self.context.fillRect(40, 20, 10, 260)
elif guesses == 3:
self.context.fillRect(20, 20, 160,10)
elif guesses == 4:
self.context.saveContext()
self.context.translate(80,30)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 50,10)
self.context.restoreContext()
elif guesses == 5:
self.context.fillRect(140, 20, 10, 50)
elif guesses == 6:
self.context.beginPath()
self.context.arc(145, 100, 30, 0, math.pi * 2, True)
self.context.closePath()
self.context.stroke()
elif guesses == 7:
self.context.fillRect(145, 130, 2, 80)
elif guesses == 8:
self.context.saveContext()
self.context.translate(147,160)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 50,2)
self.context.restoreContext()
elif guesses == 9:
self.context.saveContext()
self.context.translate(147,160)
self.context.rotate(45 * math.pi / 180)
self.context.fillRect(0,0, 50,2)
self.context.restoreContext()
elif guesses == 10:
self.context.saveContext()
self.context.translate(147,210)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 60,2)
self.context.restoreContext()
elif guesses == 11:
self.context.saveContext()
self.context.translate(147,210)
self.context.rotate(45 * math.pi / 180)
self.context.fillRect(0,0, 60,2)
self.context.restoreContext()
self.context.restoreContext()
class HangDude(HorizontalPanel):
def __init__(self):
HorizontalPanel.__init__(self)
self.context = GWTCanvas(300,300,300,300)
self.context.addStyleName("gwt-canvas")
self.add(self.context)
def clear(self):
self.context.clear()
def draw(self, guesses):
self.context.fillStyle = '#000'
self.context.lineWidth = 2
if guesses == 1:
self.context.fillRect(20, 280, 200,10)
elif guesses == 2:
self.context.fillRect(40, 20, 10, 260)
elif guesses == 3:
self.context.fillRect(20, 20, 160,10)
elif guesses == 4:
self.context.saveContext()
self.context.translate(80,30)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 50,10)
self.context.restoreContext()
elif guesses == 5:
self.context.fillRect(140, 20, 10, 50)
elif guesses == 6:
self.context.beginPath()
self.context.arc(145, 100, 30, 0, math.pi * 2, True)
self.context.closePath()
self.context.stroke()
elif guesses == 7:
self.context.fillRect(145, 130, 2, 80)
elif guesses == 8:
self.context.saveContext()
self.context.translate(147,160)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 50,2)
self.context.restoreContext()
elif guesses == 9:
self.context.saveContext()
self.context.translate(147,160)
self.context.rotate(45 * math.pi / 180)
self.context.fillRect(0,0, 50,2)
self.context.restoreContext()
elif guesses == 10:
self.context.saveContext()
self.context.translate(147,210)
self.context.rotate(130 * math.pi / 180)
self.context.fillRect(0,0, 60,2)
self.context.restoreContext()
elif guesses == 11:
self.context.saveContext()
self.context.translate(147,210)
self.context.rotate(45 * math.pi / 180)
self.context.fillRect(0,0, 60,2)
self.context.restoreContext()
self.context.restoreContext()
class MainPanel(VerticalPanel):
CANVAS_WIDTH = 900
CANVAS_HEIGHT = 700
def __init__(self, owner):
super(VerticalPanel, self).__init__()
self.edgequeue = list()
self.owner = owner
self.InitialiseScreen()
StaticObjectsTask(self.Draw).schedule(5000) #Poll every five seconds
def EdgeListener(self, edge):
self.edgequeue.append(edge.asDict())
EdgePoster(self.edgequeue).schedule(
1) #Schedule in the future so edges are sent in bulk
def InitialiseScreen(self):
hpanel = HorizontalPanel()
self.add(hpanel)
vpanelMenu = VerticalPanel()
hpanel.add(vpanelMenu)
self.addbutton = Button("Add Triangle")
vpanelMenu.add(self.addbutton)
self.addbutton.addClickListener(getattr(self, "addtriangle"))
self.canvas = GWTCanvas(self.CANVAS_WIDTH, self.CANVAS_HEIGHT)
vpanelCanvas = VerticalPanel()
self.canvas.setWidth(self.CANVAS_WIDTH)
self.canvas.setHeight(self.CANVAS_HEIGHT)
hpanel.add(vpanelCanvas)
vpanelCanvas.add(self.canvas)
self.canvas.addMouseListener(self)
self.selecteditem = None
self.selectedhandle = None
self.mouseisdown = False
dc = DocumentCollection.documentcollection
DocumentCollection.documentcollection.edgelistener = self.EdgeListener
if len(dc.documentsbyclass[model.Drawing.__name__]) == 0:
drawing = model.Drawing(None)
dc.AddDocumentObject(drawing)
EdgePoster([a.asDict() for a in drawing.history.GetAllEdges()])
else:
for k, v in dc.documentsbyclass[
model.Drawing.__name__].iteritems():
drawing = v
self.drawingid = drawing.id
self.Draw()
def GetDrawing(self):
return DocumentCollection.documentcollection.objectsbyid[
self.drawingid]
def sortfn(self, t1, t2):
return cmp(t1.z_order, t2.z_order)
def GetTrianglesAsList(self):
#Return the triangles as an ordinary python list
#triangles = [self.drawing.triangles.GetDocument().documentobjects[objid] for objid in self.drawing.triangles]
triangles = list()
for triangle in self.GetDrawing().triangles:
#triangles = self.drawing.GetDocument().documentobjects[objid]
triangles.append(triangle)
if len(triangles) > 0:
triangles.sort(self.sortfn)
return triangles
def DrawHandle(self, x, y):
self.canvas.setFillStyle(Color.RED)
self.canvas.beginPath()
self.canvas.arc(x, y, 5, 0, math.pi * 2, False)
self.canvas.fill()
def Draw(self):
self.canvas.setFillStyle(Color.WHITE)
self.canvas.fillRect(0, 0, self.CANVAS_WIDTH, self.CANVAS_HEIGHT)
for t in self.GetTrianglesAsList():
self.canvas.setFillStyle(Color.BLUE)
self.canvas.setLineWidth(5)
self.canvas.setStrokeStyle(Color.BLACK)
self.canvas.setLineWidth(2)
self.canvas.beginPath()
self.canvas.moveTo(t.x1, t.y1)
self.canvas.lineTo(t.x2, t.y2)
self.canvas.lineTo(t.x3, t.y3)
self.canvas.lineTo(t.x1, t.y1)
self.canvas.fill()
self.canvas.stroke()
if self.selecteditem == t:
self.canvas.setLineWidth(1)
self.canvas.setStrokeStyle(Color.RED)
self.canvas.beginPath()
self.canvas.moveTo(t.x1, t.y1)
self.canvas.lineTo(t.x2, t.y2)
self.canvas.lineTo(t.x3, t.y3)
self.canvas.lineTo(t.x1, t.y1)
self.canvas.stroke()
self.DrawHandle(t.x1, t.y1)
self.DrawHandle(t.x2, t.y2)
self.DrawHandle(t.x3, t.y3)
def addtriangle(self, sender):
left_margin = 50
triangle_spacing = 150
drawing = self.GetDrawing()
c = len(drawing.triangles)
posx = left_margin + c % ((self.CANVAS_WIDTH - left_margin) //
triangle_spacing) * triangle_spacing
posy = c // ((self.CANVAS_WIDTH - left_margin) //
triangle_spacing) * triangle_spacing
t = model.Triangle(None)
drawing.triangles.add(t)
t.z_order = c
setattr(t, 'x1', posx)
setattr(t, 'y1', posy + 50)
setattr(t, 'x2', posx + 100)
setattr(t, 'y2', posy + 100)
setattr(t, 'x3', posx + 50)
setattr(t, 'y3', posy + 150)
self.Draw()
def onMouseDown(self, sender, x, y):
self.mouseisdown = True
if self.selecteditem is not None:
self.selectedhandle = None
if HandleSelected(x, y, self.selecteditem.x1,
self.selecteditem.y1):
self.selectedhandle = 1
elif HandleSelected(x, y, self.selecteditem.x2,
self.selecteditem.y2):
self.selectedhandle = 2
elif HandleSelected(x, y, self.selecteditem.x3,
self.selecteditem.y3):
self.selectedhandle = 3
if self.selectedhandle is None:
self.selecteditem = self.FindTriangle(x, y)
if self.selecteditem is None and self.selectedhandle is None:
self.selectedhandle = None
if self.selecteditem is not None:
self.selecteditem.changessuspended = True
self.Draw()
self.lastx = x
self.lasty = y
def onMouseMove(self, sender, x, y):
if self.selecteditem is not None and self.mouseisdown:
diffx = x - self.lastx
diffy = y - self.lasty
t = self.selecteditem
if self.selectedhandle is None:
setattr(t, 'x1', t.x1 + diffx)
setattr(t, 'y1', t.y1 + diffy)
setattr(t, 'x2', t.x2 + diffx)
setattr(t, 'y2', t.y2 + diffy)
setattr(t, 'x3', t.x3 + diffx)
setattr(t, 'y3', t.y3 + diffy)
elif self.selectedhandle == 1:
setattr(t, 'x1', t.x1 + diffx)
setattr(t, 'y1', t.y1 + diffy)
elif self.selectedhandle == 2:
setattr(t, 'x2', t.x2 + diffx)
setattr(t, 'y2', t.y2 + diffy)
elif self.selectedhandle == 3:
setattr(t, 'x3', t.x3 + diffx)
setattr(t, 'y3', t.y3 + diffy)
self.lastx = x
self.lasty = y
self.Draw()
def onMouseUp(self, sender, x, y):
if self.mouseisdown and self.selecteditem:
t = self.selecteditem
self.selecteditem.changessuspended = False
setattr(t, 'x1', t.x1)
setattr(t, 'y1', t.y1)
setattr(t, 'x2', t.x2)
setattr(t, 'y2', t.y2)
setattr(t, 'x3', t.x3)
setattr(t, 'y3', t.y3)
self.mouseisdown = False
def onMouseEnter(self, sender, x, y):
pass
def onMouseLeave(self, sender, x, y):
pass
def FindTriangle(self, x, y):
pt = Point(x, y)
for t in self.GetTrianglesAsList():
if PointInTriangle(pt, t):
return t
return None
class Dash:
def __init__(self):
self.p = VerticalPanel(Width="700px", Height="700px",
StyleName="dashpanel")
RootPanel().add(self.p)
self.log = HTML("log", Width="500px", Height="100px")
self.cwidth = 700.0
self.cheight = 700.0
self.canvas = GWTCanvas(self.cwidth, self.cheight)
self.canvas.resize(self.cwidth, self.cheight)
self.p.add(self.canvas)
self.p.add(self.log)
self.cwidth = 700.0
self.cheight = 700.0
#self.offset_x = 423.0-233#240.0
#self.offset_y = 153.0-220#-100.0
self.offset_x = 0.0
self.offset_y = 0.0
self.scale = 1.0
self.target_scale = 1.0
self.move_allowed = False
w2 = self.cwidth / 2.0
h2 = self.cheight / 2.0
self.word_chain = get_test_letters()
# TODO: make a fake "top level" LetterNode, which these are added to
self.letters = self.get_more_letters()
self.root_node = self.letters
self.cur_time = time()
self.mouse_pos_x = w2
self.mouse_pos_y = h2
self.redraw_required = True
#self.draw()
Timer(50, self)
self.canvas.addMouseListener(self)
def new_mouse_pos(self, x, y):
el = self.canvas.getElement()
self.mouse_pos_x = x - DOM.getAbsoluteLeft(el)
self.mouse_pos_y = y - DOM.getAbsoluteTop(el)
def onMouseDown(self, sender, x, y):
self.move_allowed = True
self.new_mouse_pos(x, y)
def onMouseUp(self, sender, x, y):
self.move_allowed = False
self.new_mouse_pos(x, y)
def onMouseMove(self, sender, x, y):
self.new_mouse_pos(x, y)
def onMouseEnter(self, sender):
pass
def onMouseLeave(self, sender):
self.move_allowed = False
def onTimer(self, timer):
new_time = time()
diff_time = new_time - self.cur_time
self.cur_time = new_time
self.log_txt = "time: %.2f<br/>test<br/>" % self.cur_time
scale = diff_time / (self.scale)
#print self.move_allowed, "%.3f" % diff_time, self.mouse_pos_x, self.mouse_pos_y
scale_diff = math.log10(self.target_scale) - math.log10(self.scale)
scale_diff = scale_diff * diff_time * 2
self.scale = math.pow(10, math.log10(self.scale) + scale_diff)
if self.move_allowed:
w2 = self.cwidth / 2.0
h2 = self.cheight / 2.0
x_vel = scale * (self.mouse_pos_x - w2)
y_vel = scale * (self.mouse_pos_y - h2)
self.offset_x += x_vel
self.offset_y += y_vel
self.redraw_required = True
elif abs(scale_diff) > 1e-15:
self.redraw_required = True
if self.redraw_required:
self.draw()
self.log.setHTML(self.log_txt)
Timer(50, self)
def draw(self):
self.canvas.resize(self.cwidth, self.cheight)
self.redraw_required = False
w2 = self.cwidth / 2.0
h2 = self.cheight / 2.0
self.closest = [None, None]
self.get_closest(0.0, 0.0, self.cwidth, self.cheight,
self.root_node)
#print self.closest
scale = calc_scale(self.closest[0], self.closest[1],
self.offset_x,
self.offset_y+h2,
self.cheight)
self.target_scale = scale
self.log_txt += "scale: %f<br/>" % self.scale
self.log_txt += "targetscale: %f<br/>" % self.target_scale
#print "scale:", self.scale, self.target_scale
x1 = self.offset_x + (self.cwidth / self.scale)
y1 = self.offset_y + (self.cheight / self.scale)
#print "redbox", self.offset_x, self.offset_y, x1, y1
self.canvas.saveContext()
self.canvas.clear()
#self.canvas.setFillStyle(Color("#888"))
#self.canvas.setLineWidth(1)
#self.canvas.fillRect(0, 0, self.cwidth, self.cheight)
self.display_letters(None, 0.0, 0.0, self.cwidth, self.cheight,
self.root_node, 0)
self.canvas.restoreContext()
#print self.closest
def sr(self, x, y, w, h):
#sw = (self.cwidth/2/self.scale)
#sh = (self.cheight/2/self.scale)
sw = self.cwidth/2.0
sh = self.cheight/2.0
rect = (-sw*self.scale+(x+(-self.offset_x+sw/self.scale))*self.scale,
-sh*self.scale+(y+(-self.offset_y+sh/self.scale))*self.scale,
w*self.scale,
h*self.scale)
#print "rect", x,y,w,h, rect
return rect
def check_closest(self, letter, x, y):
""" this function gets the two closest letters to the current cursor.
"""
#print self.closest
if self.closest[0] is None:
#print "none"
self.closest[0] = letter
else:
#print x, y, letter.x, letter.y
if _check_closest(self.closest[0], letter, x, y):
return
self.closest[1] = self.closest[0]
self.closest[0] = letter
def get_closest(self, px, py, pwidth, pheight, letters):
if not letters:
return
length = len(letters)
amount_use = 1.0
oy = 0.0 # pheight * (1.0-amount_use) / 2.0
for i, letter in enumerate(letters):
height = letter.weight * pheight
width = letter.weight * pwidth
letter.x = px+(pwidth - width) #+ height * 0.1
letter.y = py+oy
letter.box_width = width
letter.box_height = height * amount_use
cursor_x = self.offset_x + (self.cwidth/2.0)
cursor_y = self.offset_y + (self.cheight/2.0)
if _inside(letter, cursor_x, cursor_y):
self.inside_letter = letter
self.get_closest(letter.x, letter.y,
letter.box_width, letter.box_height,
letter)
self.check_closest(letter, cursor_x, cursor_y)
oy += letter.box_height
def get_more_letters(self, letter=None):
res = []
if letter is None or letter.word_ptr is None or \
len(letter.word_ptr) == 0:
chain = self.word_chain
else:
chain = letter.word_ptr
for l in chain:
ln = LetterNode(l.letter, l.weight, parent=l.parent)
ln.word_ptr = l
res.append(ln)
#print "letter", letter
#pprint_letters(res)
return res
def display_letters(self, ch, px, py, pwidth, pheight, letters, colouridx):
if colouridx == 0:
col = Color("#ccf")
altcol = Color("#88f")
elif colouridx == 1:
col = Color("#fcc")
altcol = Color("#f88")
else:
col = Color("#cfc")
altcol = Color("#8f8")
self.canvas.setLineWidth(1)
x, y, w, h = self.sr(px, py, pwidth, pheight)
if y + h < 0:
return
if y > self.cheight:
return
if x + w < 0:
return
if x > self.cwidth:
return
self.canvas.fillRect(x, y, w, h)
if ch:
self.canvas.setFillStyle(Color("#000"))
self.canvas.fillText(ch, x, y + h)
if h < 20:
return
if not letters:
more = self.get_more_letters(letters)
self.redraw_required = True
return more
if not letters:
return
newidx = (colouridx+1) % 3
length = len(letters)
oy = 0
for i, letter in enumerate(letters):
height = letter.box_width
width = letter.box_height
if i % 2 == 0:
self.canvas.setFillStyle(col)
else:
self.canvas.setFillStyle(altcol)
more = self.display_letters(letter.letter, letter.x, letter.y,
width, height,
letter, newidx)
if more:
for l in more:
letter.append(l)
oy += height
