def zoom_out(self, event): print('zoom out') xshift, yshift = event.x - self.canvas.image.width() // 2, self.canvas.image.height() // 2 - event.y self.fsize *= 4.0 self.cx, self.cy = xshift * self.step + self.cx, yshift * self.step + self.cy self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) self.canvas.image = self.load_image()
def __init__(self, width=640, height=480, image_file=main_file): tk.Tk.__init__(self) self.canvas = tk.Canvas(width=width, height=height) self.geometry("%sx%s+100+100" % (width, height + 40)) self.canvas.pack() self.item = None self.label = tk.Label(self.canvas, font=('courier', 10)) self.parameters_from_fn(image_file) if not os.path.isfile(image_file): self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) print('Mainfile %s generated' % self.image_file) else: self.image_file = image_file self.label.pack(side=tk.BOTTOM) self.canvas.image = self.load_image() self.x, self.y, self.size = None, None, (0, ) self.bind("<Button-2>", self.recalculate) # Linux self.bind("<Button-1>", self.zoom_in) self.bind("<Button-3>", self.zoom_out) # Windows self.bind("<MouseWheel>", self.mouse_wheel)
def zoom_out(self, event): print('zoom out') xshift, yshift = event.x - self.canvas.image.width() // 2, self.canvas.image.height() // 2 - event.y self.fsize *= 4.0 self.cx, self.cy = xshift * self.step + self.cx, yshift * self.step + self.cy self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) self.canvas.image = self.load_image()
def __init__(self, width=640, height=480, image_file=main_file): tk.Tk.__init__(self) self.canvas = tk.Canvas(width=width, height=height) self.geometry("%sx%s+100+100" % (width,height+40)) self.canvas.pack() self.item = None self.label = tk.Label(self.canvas, font=('courier', 10)) self.parameters_from_fn(image_file) if not os.path.isfile(image_file): self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) print('Mainfile %s generated' % self.image_file) else: self.image_file = image_file self.label.pack(side=tk.BOTTOM) self.canvas.image = self.load_image() self.x, self.y, self.size = None, None, (0,) self.bind("<Button-2>", self.recalculate) # Linux self.bind("<Button-1>", self.zoom_in) self.bind("<Button-3>", self.zoom_out) # Windows self.bind("<MouseWheel>", self.mouse_wheel)
def recalculate(self, event): print('recalculating') self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) self.canvas.image = self.load_image() self.update_label()
def recalculate(self, event): print('recalculating') self.image_file = mandel_file(self.cx, self.cy, self.fsize, self.max_iterations) self.canvas.image = self.load_image() self.update_label()